diff --git "a/test_predictions.txt" "b/test_predictions.txt" new file mode 100644--- /dev/null +++ "b/test_predictions.txt" @@ -0,0 +1,21384 @@ +From O +the O +amino O +acid O +sequence O +similarity O +of O +Orf8 O +to O +UvrA O +and O +DrrC O +, O +it O +is O +suggested O +a O +role O +as O +a O +transporter O +or O +the O +excision O +nucleotide O +repair O +system O +in O +the O +resistance O +[ O +133 O +] O +( O +GB O +No. O +EU195114 B-bgc-accession +) O +. O + +The O +manC O +gene O +in O +M4 O +is O +immediately O +above O +the O +wbyO O +GT O +gene O +that O +adds O +the O +first O +Man O +residue O +in O +M4 O +, O +while O +the O +manC O +gene O +in O +M2–M3 O +is O +between O +the O +GT1 O +and O +GT2 O +genes O +, O +as O +are O +the O +fcl O +and O +gmd O +genes O +needed O +for O +GDP-l-Fuc O +and O +GDP-l-Qui O +. O + +The O +pen O +genes O +were O +flanked O +by O +genes O +predicted O +to O +encode O +a O +cytochrome O +P450 O +monooxygenase O +similar O +to O +a O +gene O +for O +gibberellin O +biosynthesis O +in O +F. O +fujikuroi O +( O +PC-05 O +) O +[ O +27 O +] O +and O +a O +Nmr-A O +family O +transcriptional O +regulator O +( O +PC-06 O +) O +at O +one O +flank O +and O +two O +cytochrome O +P450s O +( O +PC-20 O +and O +PC-21 O +) O +and O +an O +aromatic O +prenyl O +transferase O +( O +PC-22 O +) O +at O +the O +other O +. O + +The O +biosynthetic O +gene O +cluster O +contains O +genes O +for O +an O +acetyltransferase O +and O +two O +ABC O +transporters O +, O +which O +may O +play O +a O +role O +in O +self-resistance O +[ O +397,398,399 O +] O +( O +GB O +Nos. O +AB684620 B-bgc-accession +and O +AB684619 B-bgc-accession +) O +. O + +The O +Biosynthetic O +Gene O +Cluster O +for O +Andrastin O +A O +in O +Penicillium O +roqueforti O +Penicillium O +roqueforti O +is O +a O +filamentous O +fungus O +involved O +in O +the O +ripening O +of O +several O +kinds O +of O +blue O +cheeses O +. O + +We O +recently O +identified O +phthoxazolin O +A O +as O +a O +cryptic O +metabolite O +of O +Streptomyces O +avermitilis O +that O +produces O +the O +important O +anthelmintic O +agent O +avermectin O +. O + +Domain O +organization O +derived O +from O +the O +pam O +secondary O +metabolite O +gene O +cluster O +in O +the O +genome O +of O +Paenibacillus O +larvae O +DSM25430 O +. O + +This O +mutant O +was O +then O +complemented O +by O +reintroduction O +of O +wild-type O +swnK O +, O +restoring O +swainsonine O +production O +in O +several O +independent O +transformants O +( O +Table O +1 O +) O +. O + +Among O +these O +up-regulated O +gene O +clusters O +, O +pks6 O +( O +SACE_4567 O +- O +4577 O +) O +showed O +the O +most O +significantly O +induced O +expression O +( O +Mean O +: O +about O +5.7 O +folds O +; O +Max O +: O +about O +21 O +folds O +) O +. O + +griseus]68 O +% O +srcmH O +ABC O +transporter O +membrane O +protein251SfrB O + +The O +reciprocal O +best O +BLAST O +hit O +in O +GenBank O +for O +the O +XaPPTase O +gene O +of O +X. O +albilineans O +is O +the O +XaPPTase O +gene O +from O +X. O +oryzae O +. O + +The O +cluster O +contains O +genes O +for O +transporters O +( O +DynU6 O +, O +DynT8 O +, O +and O +DynT10 O +) O +, O +dioxygenase O +( O +DynE11 O +) O +which O +is O +similar O +to O +bleomycin-resistance O +protein O +, O +and O +a O +self-sacrifice O +protein O +( O +DynU16 O +) O +. O + +Sequences O +for O +the O +network O +were O +accessed O +by O +a O +5000 O +sequence O +return O +, O +two-iteration O +Position-Specific O +Iterated O +BLAST O +( O +PSI-BLAST O +) O +of O +the O +lanthipeptide O +synthetase O +CylM O +( O +accession O +number O +AAK67266.1 B-bgc-accession +) O +. O + +B O +Comparison O +of O +precursor O +peptides O +of O +plantazolicin O +( O +PlnA O +) O +, O +streptolysin O +S O +( O +SagA O +) O +, O +clostridiolysin O +S O +( O +ClosA O +) O +with O +putative O +precursor O +peptides O +of O +B. O +intermedia O +, O +B. O +hyodysenteriae O +, O +and O +T. O +mathranii O +mathranii O +A3 O +; O +Cleavage O +site O +of O +leader O +and O +core O +peptide O +in O +bold O +. O + +Results O +A O +potential O +pelgipeptin O +synthetase O +gene O +cluster O +( O +plp O +) O +was O +identified O +from O +Paenibacillus O +elgii O +B69 O +through O +genome O +analysis O +. O + +Based O +on O +this O +proposed O +pathway O +, O +kanN O +disruption O +will O +result O +in O +kanamycin O +B O +accumulation O +, O +whereas O +based O +on O +the O +linear O +pathway O +, O +2'-N-acetylparomamine O +, O +the O +substrate O +of O +KanN O +, O +should O +accumulate O +. O + +According O +to O +the O +recent O +acarbose O +biosynthesis O +model O +, O +this O +intermediate O +undergoes O +second O +phosphorylation O +by O +either O +the O +1-epi-valienol-7P-kinase O +AcbU O +and/or O +the O +hydrolase O +AcbJ O +before O +being O +further O +nucleotidylated O +( O +unproven O +hypothesis O +, O +Wehmeier O +and O +Piepersberg O +[ O +6 O +] O +) O +. O + +sssA/sssA′/sssA1 O +: O +suicin O +precursor O +; O +sssE O +, O +sssF O +, O +and O +sssG O +: O +immunity O +proteins O +; O +sssK O +: O +sensor O +histidine O +kinase O +; O +sssM O +: O +synthetase O +involved O +in O +lantibiotic O +modification O +; O +sssR O +: O +response O +regulator O +; O +sssT O +: O +ABC O +transporter O +. O + +Also O +, O +several O +loline-alkaloid O +producers O +had O +missing O +or O +inactive O +decoration O +genes O +( O +lolN O +, O +lolM O +, O +and O +lolP O +) O +. O + +Mycotoxin O +genes O +are O +expressed O +as O +a O +biosynthetic O +gene O +cluster O +( O +BGC O +) O +. O + +salmonicida O +A449 O +70 O +YP_001141301 B-bgc-accession +ORF4 O +5237.6016 O +glycosyltransferase O +, O +group O +2 O +family O +protein O +wbxS O +Escherichia O +coli O +48 O +ACH97156 B-bgc-accession +ORF5 O +6013.7269 O +integral O +membrane O +protein O +AefA/O-antigen O +flippase O +wzx O +Salmonella O +bongori O +NCTC O +12419 O +70 O +YP_004730750 B-bgc-accession +ORF6 O +7300.9282 O +epimerase/dehydratase O +family O +WbfY-like O +protein O + +wbgZ O +Aeromonas O +hydrophila O +subsp O +. O + +mpz7 O +and O +mpz8 O +show O +similarity O +( O +74 O +% O +and O +60 O +% O +, O +respectively O +) O +to O +monooxygenases O +. O + +The O +lividomycin O +biosynthetic O +gene O +cluster O +was O +cloned O +from O +Streptomyces O +lividus O +as O +a O +40 O +kb O +DNA O +fragment O +( O +GB O +No. O +AJ748832 B-bgc-accession +) O +. O + +Geninthiocin O +B O +gene O +cluster O +is O +flanked O +at O +both O +ends O +by O +the O +genes O +encoding O +ribosomal O +and O +translation-associated O +proteins O +( O +Figure O +4 O +, O +Table O +2 O +) O +, O +which O +are O +presumably O +not O +involved O +in O +geninthiocin O +B O +and O +compound O +2 O +biosynthesises O +, O +but O +may O +play O +a O +key O +role O +in O +self-resistance O +of O +Streptomyces O +sp. O +YIM O +130001 O +. O + +We O +completed O +genome O +sequencing O +and O +gene O +function O +annotation O +for O +A. O +ustus O +094102 O +in O +April O +, O +2012 O +. O + +Comparison O +of O +Strategies O +to O +Overcome O +Drug O +Resistance O +: O +Learning O +from O +Various O +Kingdoms O +Drug O +resistance O +, O +especially O +antibiotic O +resistance O +, O +is O +a O +growing O +threat O +to O +human O +health O +. O + +griseus]74 O +% O +srcmGIV O +glycosyltransferase391PyrC4 O +[ O +Streptomyces O +rugosporus]41 O +% O +srcmGII O +glycosyltransferase391SsfS6 O +[ O +Streptomyces O +sp. O +SF2575]38 O +% O +srcmF O +dTDP-4-keto-6-deoxy-D-glucose O +epimerase199dTDP-4-keto-6-deoxy-D-glucose O +epimerase O +[ O + +Streptomyces O +tsukubensis]78 O +% O +srcmOII O +oxygenase550DacO2 O + +Similarity O +of O +the O +cladoniamide O +and O +BE-54017 O +gene O +clusters O +My O +annotation O +of O +individual O +genes O +in O +the O +cladoniamide O +( O +cla O +) O +cluster O +matches O +well O +with O +the O +independently O +reported O +BE-54017 O +( O +abe O +) O +cluster O +[ O +13 O +] O +. O + +Atrolysin O +A O +is O +a O +zinc O +metalloproteinase O +that O +is O +isolated O +from O +the O +venom O +of O +the O +western O +diamondback O +rattlesnake O +, O +Crotalus O +atrox O +. O + +As O +the O +genes O +MpFasA2 O +, O +MpFasB2 O +, O +MpPKS5 O +, O +mppD O +, O +and O +mppB O +are O +structural O +genes O +for O +pigment O +biosynthesis O +and O +mppR1 O +is O +a O +regulatory O +gene O +( O +Balakrishnan O +et O +al. O +2013 O +) O +, O +the O +polyketide O +chromophores O +and O +media O +fatty O +acid O +were O +still O +being O +generated O +during O +fermentation O +anaphase O +under O +high O +glucose O +stress O +. O + +Remarkably O +, O +the O +genetic O +backbones O +of O +the O +xantholysin O +and O +entolysin O +NRPS O +systems O +also O +bear O +pronounced O +phylogenetic O +similarity O +to O +those O +of O +the O +P. O +putida O +strains O +PCL1445 O +and O +RW10S2 O +, O +albeit O +generating O +the O +seemingly O +structurally O +unrelated O +cyclic O +lipopeptides O +putisolvin O +( O +undecapeptide O +containing O +a O +cyclotetrapeptide O +) O +and O +WLIP O +( O +nonapeptide O +containing O +a O +cycloheptapeptide O +) O +, O +respectively O +. O + +Edwards O +et O +al. O +cloned O +the O +jamaicamide-producing O +gene O +cluster O +as O +a O +58 O +kb O +DNA O +fragment O +composed O +of O +17 O +open O +reading O +frames O +[ O +50 O +] O +( O +GB O +No. O +AY522504 B-bgc-accession +) O +. O + +The O +single O +polysaccharide O +repeat O +bound O +to O +Und-PP O +is O +flipped O +to O +the O +periplasmic O +side O +which O +is O +catalyzed O +by O +O-antigen O +flippase O +[ O +43 O +] O +and O +polymerized O +by O +the O +Wzy-dependent O +pathway O +[ O +44 O +] O +. O + +The O +biosynthetic O +gene O +cluster O +of O +nocardicin O +A O +was O +cloned O +[ O +470 O +] O +( O +GB O +No. O +AY541063 B-bgc-accession +) O +. O + +In O +contrast O +, O +the O +ascE-deleted O +strain O +( O +ΔascE O +) O +only O +accumulated O +6 O +( O +2.32 O +g/L O +, O +SI O +Appendix O +, O +Table O +S8 O +) O +, O +but O +neither O +1 O +nor O +2 O +( O +Fig. O +3C O +) O +. O + +This O +regulatory O +system O +is O +composed O +of O +two O +essential O +genes O +, O +gacA O +and O +gacS O +, O +encoding O +a O +sensor O +kinase O +and O +response O +regulator O +, O +respectively O +, O +which O +control O +the O +production O +of O +multiple O +secondary O +metabolites O +and O +are O +directly O +related O +to O +pathogenesis O +[ O +63 O +] O +. O + +Four O +other O +genes O +, O +which O +we O +tentatively O +designated O +idtB-like O +, O +idtF-like O +, O +idtK-like O +and O +idtQ-like O +, O +were O +embedded O +in O +AT-rich O +repetitive O +sequences O +, O +and O +none O +assembled O +on O +the O +same O +contigs O +as O +the O +five O +IDT O +gene O +orthologs O +. O + +Numerous O +rounds O +of O +gene-walking O +outwards O +from O +these O +known O +regions O +revealed O +a O +SXT O +gene O +cluster O +in O +L. O +wollei O +spanning O +approximately O +36 O +kb O +( O +Figure O +2 O +) O +and O +encoding O +thirty-one O +genes O +predicted O +to O +be O +involved O +in O +the O +biosynthesis O +and O +export O +of O +the O +these O +neurotoxins O +( O +Table O +1 O +) O +. O + +Further O +investigation O +of O +this O +metabolite O +using O +LC-ESI-HRMS O +identified O +its O +m/z O +as O +239.1102 O +, O +corresponding O +to O +the O +[ O +M O ++ O +H]+ O +of O +thiotetromycin O +( O +2 O +) O +( O +Fig. O +4B O +) O +. O + +Both O +these O +genes O +are O +conserved O +in O +cluster O +34 O +( O +Fig. O +2c O +) O +, O +suggesting O +that O +this O +pigment O +may O +be O +part O +of O +the O +secondary O +metabolite O +content O +of O +Z. O +tritici O +, O +which O +may O +account O +for O +the O +light O +red/pink O +color O +of O +Z. O +tritici O +conidia O +when O +grown O +on O +rich O +agar O +. O + +No O +ICZs O +production O +was O +observed O +in O +LIW603 O +, O +indicating O +that O +spcR O +is O +a O +positive O +regulator O +( O +Figure O +3a O +, O +panel O +iv O +) O +. O + +Therefore O +, O +we O +speculated O +that O +1 O +was O +derived O +from O +the O +ribosomally O +synthesized O +and O +post-translationally O +modified O +peptide O +( O +RiPP O +) O +biosynthetic O +machinery20 O +, O +21 O +, O +which O +may O +catalyse O +the O +formation O +of O +a O +single O +thiazoline O +ring O +from O +cysteine O +, O +two O +methyloxazole O +rings O +from O +threonines O +, O +and O +five O +oxazole O +rings O +from O +serines O +, O +via O +dehydration O +and O +oxidation O +. O + +Biological O +Activity O +Lactomycin O +A O +, O +B O +, O +and O +C O +inhibit O +cathepsin O +B O +with O +IC50 O +values O +of O +4.5 O +μM O +, O +0.8 O +μM O +, O +and O +1.6 O +μM O +, O +respectively O +. O + +Nocardicin O +A O +is O +a O +monocyclic O +β-lactam O +antibiotic O +monobactam O +, O +and O +was O +isolated O +from O +Nocardia O +uniformis O +[ O +469 O +] O +and O +other O +actinomycetes O +. O + +Results O +We O +report O +here O +the O +complete O +sequence O +of O +a O +12.2 O +kb O +virulence O +locus O +of O +Xanthomonas O +oryzae O +pv O +. O + +Firstly O +, O +the O +fatty O +acid O +( O +FA O +) O +of O +the O +C10 O +unit O +, O +which O +is O +used O +as O +the O +precursor O +material O +, O +is O +synthesized O +by O +PKS O +SwrEFG O +and O +other O +undetermined O +proteins O +and O +is O +released O +as O +a O +fatty O +acyl-CoA. O +Secondly O +, O +a O +17.7 O +O O +kb O +swrA O +encodes O +the O +core O +W2-peptide O +chain O +( O +the O +structure O +of O +the O +CLP O +with O +a O +5-amino O +acid O +peptide O +moiety O +) O +, O +which O +contains O +a O +total O +of O +five O +modules O + +G-52 O +is O +6-methylsisomicin O +and O +G-418 O +( O +geneticin O +) O +is O +structurally O +similar O +to O +gentamicin O +. O + +Antibiotic O +susceptibility O +of O +S. O +infantarius O +LP90a O +. O + +Gene O +Target O +Primer O +Name O +Primer O +Sequence O +5′ O +to O +3′ O +Amplicon O +Length/bp O +Target O +Species O +Reference O +TRI3 O +3_CONS O +1 O +TGGCAAAGACTGGTTCAC O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI3 O +3_NIV_F O +GTGCACAGAATATACGAGC O +840 O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI3 O +3_15ADON_F O +ACTGACCCAAGCTGCCATC O +610 O +F. O +graminearum O +, O + +F. O +asiaticum O +[ O +79 O +] O +TRI3 O +3_3ADON_F O +CGCATTGGCTAACACATG O +243 O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI12 O +12_CONS O +CATGAGCATGGTGATGTC O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI12 O +12_NIV_F O +TCTCCTCGTTGTATCTGG O +840 O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI12 O +12_15ADON_F O + +TACAGCGGTCGCAACTTC O +670 O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI12 O +12_3ADON_F O +CTTTGGCAAGCCCGTGCA O +410 O +F. O +graminearum O +, O +F. O +asiaticum O +[ O +79 O +] O +TRI3 O +Tri3F971 O +CATCATACTCGCTCTGCTG O +708for O +15-ADON O +producers O +only O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +80 O +] O +Tri3F1325 O + +GCATTGGCTAACACATGA O +354for O +3-ADON O +producers O +only O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +80 O +] O +Tri3R1679 O +TT(A/G)TAGTTTGCA O +TCATT(A/G)TAG O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +80 O +] O +Gene O +F O +3891 O +GCTGTCAYAGYCAGAAGYTACGATG O +1200 O +Fusarium O +incarnatum O +equiseti O +species O +complex O +[ O +62 O +] O +3894 O + +AGAYATGBAGGACARGGCTTAGGGT O +Fusarium O +incarnatum O +equiseti O +species O +complex O +[ O +62 O +] O +TRI1 O +1285 O +GCGTCTCAGCTTCATCAAGGCAKCKAMTGAWTCG O +1200 O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1292 O +CTTGACTTSMTTGGCKGCAAAGAARCGACCA O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +TRI3 O +1912 O + +TGTGTMGGYGCWGAGGCVATYGTTGG O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1914 O +ACRGCAGCRGTCTGRCACATGGCGTA O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +TRI4 O +2576 O +CCAATCAGYCAYGCTRTTGGGATACTG O +1800 O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +2578 O +ACCCGGATTTCRCCAACATGCT O +F. O + +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +TRI5 O +1558 O +GGCATGGTCGTGTACTCTTGGGTCAAGGT O +1300 O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1559 O +GCCTGMYCAWAGAAYTTGCRGAACTT O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +TRI8 O +3904 O +GACCAGNAYCACSGYCAACAGTTCAG O +1200 O +Fusarium O +incarnatum O +equiseti O +species O +complex O +[ O +62 O +] O + +3906 O +GAACAGCCRCTCCRWAACTATTGTC O +Fusarium O +incarnatum O +equiseti O +species O +complex O +[ O +62 O +] O +TRI11 O +3895 O +TWCCCCACAAGRAACAYCTYGARCT O +1300 O +Fusarium O +incarnatum O +equiseti O +species O +complex O +[ O +62 O +] O +3897 O +TCCCASACTGTYCTSGCMAGCATCAT O +Fusarium O +incarnatum O +equiseti O +species O +complex O +[ O +62 O +] O +TRI16 O +1472b O +CCTCTCTCCCCTTGAYCAATTRAACTCT O +NA O +F. O +graminearum O +, O + +F. O +sporotrichioides O +[ O +30 O +] O +1473b O +CTTCCCGATCCCRAYGAGCCTCTTACAC O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1474b O +GCCTTATMTKGGTAATGTCGTGCTKACA O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1475b O +AAGAGGCTCRTYGGGATCGGGAAGGTTC O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1476b O + +CARCCGACGATGTMAGCACGACATTACC O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +1477b O +CAATATACGGATACCGCACAAAGACTGG O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +TRI101 O +2 O +109 O +CCATGGGTCGCRGGCCARGTSAA O +NA O +F. O +graminearum O +, O +F. O +sporotrichioides O +[ O +30 O +] O +178 O +AACTCSCCRTCIGGYTTYTTNGGCAT O +F. O +graminearum O +, O + +F. O +sporotrichioides O +[ O +30 O +] O +TRI5 O +HATri/F O +CAGATGGAGAACTGGATGGT O +260 O +F. O +culmorum O +, O +F. O +poae O +, O +F. O +sporotrichioides O +, O +F. O +graminearum O +, O +F. O +sambucinum O +[ O +81 O +] O +HATri/R O +GCACAAGTGCCACGTGAC O +F. O +culmorum O +, O +F. O +poae O +, O +F. O +sporotrichioides O +, O +F. O +graminearum O +, O +F. O +sambucinum O +[ O +81 O +] O +TRI11 O +N11 O + +CTTGTCAGGCGGCACAGTAG O +643 O +for O +NIV-producers O +F. O +asiaticum O +, O +F. O +mesoamericanum O +, O +F. O +cortaderiae O +, O +F. O +gerlachii O +, O +F. O +meridionale O +× O +F. O +asiaticum O +, O +F. O +meridionale O +, O +F. O +lunulosporum O +, O +F. O +cerealis O +, O +F. O +vorosii O +, O +F. O +aethiopicum O +, O +F. O +graminearum O +, O +F. O +boothii O +, O +F. O +asiaticum O +, O +F. O +brasilicum O +, O +F. O + +austroamericanum O +, O +F. O +culmorum O +, O +F. O +pseudograminearum O +[ O +74 O +] O +15D11 O +AAGTATGGTCCAGTTGTCCGTATT O +424 O +for O +3-ADON O +producers O +F. O +asiaticum O +, O +F. O +mesoamericanum O +, O +F. O +cortaderiae O +, O +F. O +gerlachii O +, O +F. O +meridionale O +× O +F. O +asiaticu O +) O +, O +F. O +meridionale O +, O +F. O +lunulosporum O +, O +F. O +cerealis O +, O +F. O +vorosii O +, O +F. O +aethiopicum O +, O + +F. O +graminearum O +, O +F. O +boothii O +, O +F. O +asiaticum O +, O +F. O +brasilicum O +, O +F. O +austroamericanum O +, O +F. O +culmorum O +, O +F. O +pseudograminearum O +[ O +74 O +] O +3D11 O +GCAA O +GTCTGGCGAGGCC O +342 O +for O +15-ADON O +producers O +F. O +asiaticum O +, O +F. O +mesoamericanum O +, O +F. O +cortaderiae O +, O +F. O +gerlachii O +, O +F. O +meridionale O +× O +F. O +asiaticu O +) O +, O +F. O +meridionale O +, O +F. O + +lunulosporum O +, O +F. O +cerealis O +, O +F. O +vorosii O +, O +F. O +aethiopicum O +, O +F. O +graminearum O +, O +F. O +boothii O +, O +F. O +asiaticum O +, O +F. O +brasilicum O +, O +F. O +austroamericanum O +, O +F. O +culmorum O +, O +F. O +pseudograminearum O +[ O +74 O +] O +11R O +TCAAAGGCCAGAGCA O +ACCC O +F. O +asiaticum O +, O +F. O +mesoamericanum O +, O +F. O +cortaderiae O +, O +F. O +gerlachii O +, O +F. O +meridionale O +× O + +F. O +asiaticu O +) O +, O +F. O +meridionale O +, O +F. O +lunulosporum O +, O +F. O +cerealis O +, O +F. O +vorosii O +, O +F. O +aethiopicum O +, O +F. O +graminearum O +, O +F. O +boothii O +, O +F. O +asiaticum O +, O +F. O +brasilicum O +, O +F. O +austroamericanum O +, O +F. O +culmorum O +, O +F. O +pseudograminearum O +[ O +74 O +] O +TRI11 O +Tri11-CON O +GACTGCTCATGGAGACGCTG O +NA O +F. O +graminearum O +[ O +82 O +] O +Tri11 O +- O + +3AcDON O +TCCTCATGCTCG O +GTGGACTCG O +334 O +F. O +graminearum O +[ O +82 O +] O +Tri11 O +- O +15AcDON O +TGGTCCAGT O +TGTCCGTATT O +279 O +F. O +graminearum O +[ O +82 O +] O +Tri11-NIV O +GTAGGTTCCATTGC O +TTGTTC O +497 O +F. O +graminearum O +[ O +82 O +] O +TRI7 O +GzTri7/f1 O +GGCTTTACGACTCCTCAACAATGG O +∼160 O +F. O +graminearum O +[ O +66 O +] O +GzTri7/r1 O + +AGAGCCCTGCGAAAG(C/T)ACTGGTGC O +F. O +graminearum O +[ O +66 O +] O +TRI7 O +Tri7F340 O +ATCGTGTACAAGGTTTACG O +625 O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +80 O +] O +Tri7R965 O +TTCAAGTAACGTTCGACAAT O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +80 O +] O +TRI13 O +Tri13F O + +CATCATGAGACTTGTKCRGTTTGGG O +1075 O +for O +NIV O +producers;799 O +for O +DON-producers O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +83 O +] O +Tri13DONR O +GCTAGATCGATTGTTGCATTGAG O +282 O +for O +DON O +producers O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +83 O +] O +Tri13R O +TTGAAAGCTCCAATGTCGTG O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +83 O + +] O +Tri13NIVF O +CCAAATCCGAAAACCGCAG O +312 O +for O +NIV O +producers O +F. O +graminearum O +, O +F. O +culmorum O +, O +F. O +cerealis O +[ O +83 O +] O + +The O +deduced O +protein O +sequence O +( O +Table O +2 O +) O +from O +cesH O +( O +31 O +kDa O +) O +showed O +significant O +( O +58 O +% O +) O +identity O +to O +putative O +hydrolases/acyltransferases O +( O +COG0596 O +) O +from O +B. O +cereus O +group O +members O +. O + +carotovorum O +PC1 O +52 O +YP_003016893 B-bgc-accession +ORF16 O +17986.19167 O +glycosyl O +transferase O +group O +1 O +wbxI O +Methylobacter O +tundripaludum O +SV96 O +52 O +ZP_08780763 B-bgc-accession +ORF17 O +19164.19655 O +acetyltransferase O +wcaF O +Methylobacter O +tundripaludum O +SV96 O +59 O +ZP_08780764 B-bgc-accession +ORF18 O +19648.20826 O +O-antigen O +polymerase O +wzyE O +Bacteroides O + +sp. O +2_1_7 O +29 O +ZP_05287114 B-bgc-accession +ORF19 O +20877.21968 O +group O +1 O +glycosyl O +transferase O +protein O +wdaN O +Dysgonomonas O +gadei O +ATCC O +BAA-286 O +42 O +ZP_08475479 B-bgc-accession +ORF20 O +22444.23694 O +O-antigen O +flippase O +wzxB O +Shewanella O +baltica O +OS625 O +81 O +EHC06312 B-bgc-accession +ORF21 O +23691.24794 O +aminotransferase O +fdtB O +Shewanella O +baltica O +OS195 O + +81 O +YP_001555451 B-bgc-accession +ORF22 O +24796.25233 O +dTDP-D-Fucp3N O +acetyltransferase O +fdtC O +Shewanella O +baltica O +OS195 O +85 O +YP_001555452 B-bgc-accession +ORF23 O +25235.25657 O +dTDP-6-deoxy-3,4-keto-hexulose O +isomerase O +fdtA O +Shewanella O +putrefaciens O +200 O +72 O +ADV52549 B-bgc-accession +ORF24 O +25668.26534 O +glucose-1-phosphate O + +thymidylyltransferase O +rmlA O +Shewanella O +putrefaciens O +200 O +79 O +ADV52548 B-bgc-accession +ORF25 O +26531.27619 O +dTDP-glucose-4 O +- O +6-dehydratase O +rmlB O +Aeromonas O +hydrophila O +93 O +AAM22544 B-bgc-accession +ORFd O +28234.31383 O +AcrB O +protein O +acrB O +Aeromonas O +hydrophila O +subsp O +. O + +The O +chromatograms O +of O +Au8003 O +reaction O +product O +ophiobolin O +F O +extracted O +at O +m/z O +358 O +( O +a O +) O +: O +( O +I O +) O +GGPP+IPP O +, O +( O +II O +) O +FPP+IPP O +, O +( O +III O +) O +GPP+IPP O +, O +( O +IV O +) O +DMAPP+IPP O +and O +( O +V O +) O +IPP O +, O +and O +MS O +Spectra O +of O +peak O +1 O +( O +b O +) O +; O +chromatograms O +of O +Au13192 O +reaction O +product O +veridiene O +extracted O +at O +m/z O +272 O +( O +c O +) O +: O +( O +I O +) O +FPP+IPP O +, O +( O +II O +) O + +GPP+IPP O +, O +( O +III O +) O +DMAPP+IPP O +, O +( O +IV O +) O +IPP O +and O +MS O +Spectra O +of O +peak O +2 O +( O +d O +) O +; O +chromatograms O +of O +phosphatase O +hydolysate O +of O +Au6298 O +reaction O +product O +FPP O +extracted O +at O +m/z O +222 O +( O +e O +) O +: O +( O +I O +) O +DMAPP+IPP O +, O +( O +II O +) O +IPP O +only O +and O +MS O +Spectra O +of O +peak O +3 O +( O +f O +) O +. O + +For O +myeD O +, O +which O +encodes O +an O +amidohydrolase O +, O +a O +mutant O +ΔmyeD O +containing O +a O +1410 O +bp O +in-frame O +deletion O +within O +this O +gene O +was O +constructed O +. O + +The O +cmrA O +and O +cmrB O +genes O +encode O +the O +ABC O +transporters O +, O +and O +cmrX O +encodes O +a O +UvrA-like O +protein O +of O +UV O +repair O +nuclease O +[ O +481 O +] O +. O + +Peptide O +chimeras O +, O +in O +which O +the O +LctA O +leader O +peptide O +was O +appended O +to O +different O +core O +peptides O +, O +were O +processed O +at O +varying O +rates O +by O +the O +LctTp O +protease O +domain O +suggesting O +some O +role O +of O +the O +core O +sequence O +on O +substrate O +processing.349 O +Similarly O +, O +the O +LtnTp O +AMS O +transporter O +involved O +in O +biosynthesis O +of O +lacticin O +3147 O +has O +been O +shown O +to O +secrete O +various O +noncognate O +peptides O +attached O +to O +the O +LtnA2 O +leader O +peptide O +and O +to O +remove O +the O +leader O +peptide O +in O +the O +process.351 O +The O +presence O +of O +the O +class O +II O +lanthionine O + +synthetase O +LtnM2 O +( O +section O +4 O +) O +was O +not O +required O +for O +transport O +by O +LtnTp O +. O + +The O +phylogenetic O +analysis O +of O +ecdB O +gene O +present O +within O +the O +gene O +cluster O +of O +ECB O +of O +E. O +rugulosa O +NRRL O +11440 O +is O +close O +proximity O +to O +ApdR O +of O +A. O +nidulans O +FGSC O +A4 O +, O +which O +acts O +as O +a O +local O +regulator O +of O +the O +aspyridone O +biosynthetic O +gene O +cluster O +( O +Fig. O +1 O +) O +. O + +A. O +circinalis O +310F O +insertion O +excision O +sequence O +is O +available O +under O +accession O +number O +EU603709 B-bgc-accession +. O + +Both O +the O +A. O +circinalis O +AWQC131C O +and O +the O +Aph O +. O + +This O +raised O +the O +question O +whether O +Mpz10 O +may O +catalyze O +the O +prenylation O +of O +phenazines O +in O +the O +biosynthesis O +of O +JBIR-46 O +, O +-47 O +, O +and O +-48 O +. O + +It O +has O +been O +observed O +that O +phpL O +in O +both O +S. O +viridochromogenes25 O +and O +S. O +hygroscopicus17 O +encodes O +a O +variant O +( O +GXCXG O +) O +thioesterase O +motif O +, O +whereas O +phpM O +encodes O +the O +canonical O +GXSXG O +motif O +. O + +However O +, O +information O +about O +other O +enzymes O +involved O +in O +kirromycin O +biosynthesis O +remained O +scarce O +. O + +Acarbose O +kinase O +, O +GacK O +, O +and O +three O +transporters O +, O +GacX O +, O +GacY O +, O +and O +Gac O +W O +, O +are O +present O +within O +the O +cluster O +. O + +Lincomycin O +, O +hormaomycin O +, O +tomaymycin O +, O +anthramycin O +and O +siberomycin O +are O +known O +to O +be O +derived O +from O +a O +common O +intermediate O +( O +3-vinyl-2,3-pyrroline-5-carboxylic O +acid O +) O +, O +and O +to O +constitute O +similar O +biosynthetic O +gene O +clusters O +[ O +130 O +] O +. O + +In O +S. O +epidermidis O +genome O +, O +a O +cluster O +was O +identified O +on O +plasmid O +SAP106A O +( O +Fig. O +6 O +) O +, O +containing O +a O +single O +putative O +precursor O +peptide O +( O +SAP_106A002 O +) O +, O +a O +LanM O +determinant O +( O +SAP_106A003 O +, O +having O +22 O +% O +identity O +with O +HalM O +) O +and O +an O +additional O +LanP O +protein O +, O +besides O +the O +C39 O +protease O +of O +LanT O +homolog O +( O +SAP_106A001 O +) O +. O + +hydrophila O +ATCC O +7966 O +99 O +YP_857382 B-bgc-accession +ORF1 O +665 O +.. O +1780 O +capsular O +polysaccharide O +transport O +protein O +wza O +Aeromonas O +hydrophila O +subsp O +. O + +Specifically O +, O +in O +C. O +purpurea O +20.1 O +and O +A. O +take O +the O +idtG O +gene O +encoding O +the O +first O +pathway O +step O +was O +either O +absent O +or O +defective O +. O + +The O +fourth O +ancestral O +contributor O +of O +a O +LOL O +cluster O +was O +E. O +amarillans O +( O +or O +a O +close O +relative O +) O +, O +with O +which O +the O +LOL O +cluster O +in O +E. O +canadensis O +and O +the O +LOL2 O +cluster O +in O +N. O +chisosum O +grouped O +in O +clade O +IV O +. O + +Bmp7 O +could O +also O +dimerize O +two O +molecules O +of O +5 O +, O +albeit O +with O +reduced O +catalytic O +efficiency O +, O +to O +generate O +the O +OH-BDE O +product O +2,6-dibromo-4-(2,4,6-tribromophenoxy)phenol O +( O +14 O +) O +( O +Fig. O +5b O +and O +Supplementary O +Figs. O +23–24 O +) O +. O + +Structure O +– O +activity O +analyses O +of O +these O +obtained O +biosynthetic O +intermediates O +reveal O +that O +the O +3-keto O +group O +, O +the O +C1β O +– O +OH O +, O +and O +the O +aromatic O +ring O +C O +are O +important O +for O +the O +inhibition O +of O +phosphatidylinositol O +3-kinase O +. O + +jinggangensis O +TL01 O +( O +NC_020895 B-bgc-accession +) O +, O +Streptomyces O +sp. O +303MFCol5.2 O +( O +ARTR00000000 B-bgc-accession +) O +, O +Streptomyces O +sp. O +TOR3209 O +( O +AGNH00000000 B-bgc-accession +, O +( O +Hu O +et O +O O +al. O +, O +2012 O +) O +S. O +albus O +S4 O +( B-bgc-accession +CADY00000000 O +, O +( O +Seipke O +et O +O O +al. O +, O +2011b O +) O +) O +, O +S. O +albus O +J1074 B-bgc-accession +( O +NC_020990 O + +Streptomyces O +sp. O +SM8 O +( O +AMPN00000000 B-bgc-accession +) O +, O +Streptomyces O +sp. O +NRRL2288 O +( O +JX131329 B-bgc-accession +) O +, O +( O +Yan O +et O +O O +al. O +, O +2012 O +) O +) O +, O +Streptomyces O +sp. O +LaPpAH-202 O +( B-bgc-accession +ARDM00000000 O +) O +, O +Streptomyces O +sp. O +CNY228 O +( B-bgc-accession +ARIN01000033 O +) O + +The O +phoRP O +system O +of O +S. O +filipinensis O +was O +cloned O +and O +transcriptionally O +characterised O +. O + +The O +linear O +cylindrocyclophane-related O +cylindrofridins O +28‒30 O +also O +showed O +antimicrobial O +activity O +in O +the O +low O +µM O +range O +against O +S. O +aureus O +Newman O +( O +MICs O +between O +3.0 O +and O +11.3 O +µM O +) O +and O +S. O +pneumoniae O +( O +MICs O +in O +the O +range O +2.8‒12.1 O +µM O +; O +only O +DSM-strains O +) O +. O + +It O +might O +either O +act O +as O +an O +antibiotic O +killing O +bacterial O +competitors O +of O +P. O +larvae O +in O +the O +honey O +bee O +larval O +gut O +or O +it O +might O +act O +as O +a O +toxin O +helping O +P. O +larvae O +to O +kill O +the O +honey O +bee O +larvae O +. O + +Bacillus O +cereus O +VD045 O +Bioinformatic O +analysis O +of O +the O +draft O +sequence O +of O +VD045 O +revealed O +the O +presence O +of O +two O +putative O +lantibiotic O +biosynthetic O +clusters O +( O +Fig. O +5 O +) O +, O +present O +in O +the O +vicinity O +, O +on O +the O +three O +contigs O +( O +conti1.34 O +, O +1.35 O +and O +1.36 O +) O +, O +with O +their O +dedicated O +transporters O +and O +immunity O +genes O +. O + +The O +biological O +activity O +of O +TTN O +makes O +it O +an O +important O +lead O +for O +drug O +discovery O +, O +whereas O +its O +rare O +dialkylmaleic O +anhydride O +moiety O +and O +structural O +similarity O +to O +tautomycin O +( O +TTM O +) O +, O +another O +potent O +phosphatase O +inhibitor O +with O +tremendous O +medicinal O +potential O +, O +draws O +attention O +to O +novel O +biosynthetic O +chemistries O +responsible O +for O +its O +production O +. O + +In O +total O +, O +over O +7000 O +capuramycin O +analogs O +were O +synthesized O +using O +different O +combinations O +of O +the O +aforementioned O +semisynthetic O +approaches O +and O +screened O +for O +antimycobacterial O +activity O +[ O +63,64 O +] O +, O +ultimately O +yielding O +24 O +( O +named O +RS-124922 O +by O +Sankyo O +Co. O +; O +renamed O +to O +SQ922 O +by O +Sequella O +Inc. O +after O +licensing O +the O +library O +) O +, O +and O +28 O +( O +RS-118641 O +; O +SQ641 O +) O +as O +leads O +[ O +65,66 O +] O +. O + +The O +sequences O +of O +the O +14 O +A. O +hydrophila O +O O +antigen O +gene O +clusters O +have O +been O +deposited O +in O +the O +GenBank O +database O +with O +accession O +numbers O +MH449673 B-bgc-accession +to I-bgc-accession +MH449686 I-bgc-accession +. O + +MMAR_2474 O +protein O +exceptionally O +biosynthesized O +methylated O +alkyl-resorcinol O +and O +methylated O +acyl-phloroglucinol O +products O +from O +the O +same O +catalytic O +core O +. O + +The O +biosynthetic O +gene O +cluster O +was O +cloned O +as O +a O +90 O +kb O +DNA O +fragment O +[ O +377,378 O +] O +( O +GB O +No. O +AJ862840 B-bgc-accession +) O +. O + +Furthermore O +, O +in O +flowers O +the O +sesquiterpenes O +compounds O +were O +observed O +to O +be O +the O +main O +group O +( O +0.42 O +% O +) O +, O +followed O +by O +one O +diterpene O +compound O +( O +0.01 O +% O +) O +. O + +GenBank O +accession O +numbers O +: O +M87280 B-bgc-accession +for O +Pantoa O +agglomerans O +, O +CP001875 B-bgc-accession +for O +Pantoa O +ananatis O +, O +and O +LC317091 B-bgc-accession +and O +LC317092 B-bgc-accession +for O +Pseudomonas O +sp. O +strain O +Akiakane O +[ O +48 O +] O +A O +common O +strategy O +to O +improve O +the O +yield O +is O +the O +optimization O +of O +culture O +conditions O +[ O +73 O +] O +. O + +Ergot O +alkaloid O +( O +EAS O +) O +loci O +In O +the O +scaffolded O +assemblies O +of O +the O +C. O +purpurea O +and O +E. O +festucae O +Fl1 O +genomes O +, O +and O +the O +scaffolded O +E2368 O +assembly O +of O +2010 O +- O +06 O +, O +the O +EAS O +genes O +were O +clustered O +within O +individual O +supercontigs O +( O +Figure O +6 O +) O +. O + +These O +three O +genes O +are O +clustered O +with O +two O +other O +ORFs O +that O +encode O +a O +putative O +extracellular O +serine O +protease O +( O +subP O +) O +and O +an O +ABC O +transporter O +( O +subT O +) O +, O +respectively O +. O + +Streptomyces O +viridochromogenes O +DSM O +40736 O +S. O +viridochromogenes O +is O +a O +producer O +of O +avilamycin O +A O +, O +an O +oligosaccharide O +antibiotic O +. 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O +] O +4 O +C38H55Br3N2O8 O +903.1425 O +d O +903.1436 O +1.2 O +100 O +11 O +OCONH2 O +CH2Br O +OCONH2 O +CHBr2 O +Carbamidocyclophane O +P O +( O +4 O +) O +e O + +, O +[ O +t.s O +. O +] O +5 O +C38H54Br4N2O8 O +981.0529 O +d O +981.0541 O +1.2 O +99.1 O +11 O +OCONH2 O +CHBr2 O +OCONH2 O +CHBr2 O +Carbamidocyclophane O +Q O +( O +5 O +) O +e O +, O +[ O +t.s O +. O +] O +6 O +C37H56BrNO7 O +704.3173 O +d O +704.3167 O +0.9 O +100 O +10 O +OCONH2 O +CH3 O +OH O +CH2Br O +Carbamidocyclophane O +R O +( O +6 O +) O +e O +, O +[ O + +t.s O +. O +] O +7 O +C37H55Br2NO7 O +782.2266 O +d O +782.2272 O +0.8 O +95.0 O +10 O +OCONH2 O +CH3 O +OH O +CHBr2 O +Carbamidocyclophane O +S O +( O +7 O +) O +e O +, O +[ O +t.s O +. O +] O +8 O +C37H54Br3NO7 O +860.1382 O +d O +860.1378 O +0.5 O +95.6 O +10 O +OCONH2 O +CH2Br O +OH O +CHBr2 O +Carbamidocyclophane O +T O +( O +8) O +e O +, O +[ O +t.s O +. O +] O + +9 O +C37H53Br4NO7 O +938.0499 O +d O +938.0483 O +1.7 O +100 O +10 O +OCONH2 O +CHBr2 O +OH O +CHBr2 O +Carbamidocyclophane O +U O +( O +9 O +) O +e O +, O +[ O +t.s O +. O +] O +37 O +C37H56BrNO6 O +688.3207 O +688.3218 O +1.6 O +100 O +10 O +OCONH2 O +CH3 O +H O +CH2Br O +Putative O +new O +[7.7]paracyclophane O +f O +H O +CH3 O +OCONH2 O +CH2Br O +38 O + +C37H53Br2NO8 O +796.2059 O +796.2065 O +0.8 O +87.6 O +11 O +OCONH2 O +CH2OH O +O O +CHBr2 O +Putative O +new O +[7.7]paracyclophane O +f O +OCONH2 O +CHBrOH O +O O +CH2Br O +O O +CH2OH O +OCONH2 O +CHBr2 O +O O +CHBrOH O +OCONH2 O +CH2Br O +3940 O +C37H55Br2NO6 O +766.2316 O +766.2322 O +766.2323 O +0.9 O +0.1 O +85.4 O +92.7 O + +10 O +10 O +OCONH2 O +CH2Br O +H O +CH2Br O +Putative O +new O +[7.7]paracyclophanes O +f O +OCONH2 O +CH3 O +H O +CHBr2 O +H O +CH3 O +OCONH2 O +CHBr2 O +41 O +C37H54Br3NO6 O +844.1424 O +844.1428 O +0.5 O +97.5 O +10 O +OCONH2 O +CH2Br O +H O +CHBr2 O +Putative O +new[7.7]paracyclophane O +f O +H O +CH2Br O +OCONH2 O +CHBr2 O +42 O + +C37H53Br4NO6 O +922.0541 O +922.0534 O +0.8 O +100 O +10 O +OCONH2 O +CHBr2 O +H O +CHBr2 O +Putative O +new O +[7.7]paracyclophane O +f 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O +22 O +) O +e O +, O +[ O +8 O +] O +23 O +C36H53Cl3O6 O +685.2828 O + +685.2835 O +1.0 O +84.8 O +9 O +OH O +CH2Cl O +OH O +CHCl2 O +Cylindrocyclophane O +A3 O +( O +23 O +) O +e O +, O +[ O +8 O +] O +24 O +C36H52Cl4O6 O +719.2434 O +719.2445 O +1.5 O +86.9 O +9 O +OH O +CHCl2 O +OH O +CHCl2 O +Cylindrocyclophane O +A4 O +( O +24 O +) O +e O +, O +[ O +8 O +] O +31 O +C36H55ClO5 O +601.3665 O +601.3665 O +0.5 O +99.3 O +9 O +OH O +CH3 O +H O + +CH2Cl O +Cylindrocyclophane O +C1 O +, O +[ O +8 O +] O +32 O +C36H54Cl2O5 O +635.3273 O +635.3276 O +0.5 O +95.6 O +9 O +OH O +CH3 O +H O +CHCl2 O +Cylindrocyclophane O +C2 O +, O +[ O +8 O +] O +33 O +C36H53Cl3O5 O +669.2898 O +669.2886 O +1.8 O +100 O +9 O +OH O +CH2Cl O +H O +CHCl2 O +Cylindrocyclophane O +C3 O +, O +[ O +8 O +] O +34 O + +C36H52Cl4O5 O +703.2485 O +703.2496 O +1.6 O +100 O +9 O +OH O +CHCl2 O +H O +CHCl2 O +Cylindrocyclophane O +C4 O +, O +[ O +8 O +] O +44 O +C37H56ClNO6 O +644.3724 O +644.3723 O +0.2 O +100 O +10 O +OCONH2 O +CH3 O +H O +CH2Cl O +Putative O +new O +[7.7]paracyclophane O +f O +H O +CH3 O +OCONH2 O +CH2Cl O +45 O +C37H55Cl2NO7 O +694.3264 O + +694.3283 O +2.7 O +84.3 O +10 O +OCONH2 O +CH2Cl O +OH O +CH2Cl O +Putative O +new O +[7.7]paracyclophane O +f O +OH O +CH3 O +OCONH2 O +CHCl2 O +46 O +47 O +C37H55Cl2NO6 O +678.3330 O +678.3332 O +678.3334 O +0.6 O +0.3 O +100 O +100 O +10 O +10 O +OCONH2 O +CH2Cl O +H O +CH2Cl O +Putative O +new O +[7.7]paracyclophanes O +f O +OCONH2 O +CH3 O +H O +CHCl2 O + +H O +CH3 O +OCONH2 O +CHCl2 O +48 O +C37H54Cl3NO6 O +712.2952 O +712.2944 O +1.1 O +87.1 O +10 O +OCONH2 O +CH2Cl O +H O +CHCl2 O +Putative O +new O +[7.7]paracyclophane O +f O +H O +CH2Cl O +OCONH2 O +CHCl2 O +49 O +C37H53Cl4NO6 O +746.2559 O +746.2554 O +0.3 O +100 O +10 O +OCONH2 O +CHCl2 O +H O +CHCl2 O +Putative O +new O + +[7.7]paracyclophane O +f O +50 O +C36H54Cl2O6 O +651.3223 O +651.3225 O +0.9 O +79.3 O +9 O +OH O +CH2Cl O +OH O +CH2Cl O +Putative O +new O +[7.7]paracyclophane O +f O +51 O +C36H54Cl2O5 O +635.3275 O +635.3276 O +0.2 O +100 O +9 O +H O +CH3 O +OH O +CHCl2 O +Putative O +new O +[7.7]paracyclophane O +f O +OH O +CH2Cl O +H O +CH2Cl O +52 O + +C36H54Cl2O4 O +619.3323 O +619.3326 O +0.5 O +100 O +9 O +H O +CH2Cl O +H O +CH2Cl O +Putative O +new O +[7.7]paracyclophane O +f O +H O +CH3 O +H O +CHCl2 O +Non-halogenated O +derivatives O +19 O +C38H58N2O8 O +669.4122 O +669.412 O +0.3 O +100 O +11 O +OCONH2 O +CH3 O +OCONH2 O +CH3 O +Carbamidocyclophane O +E O +( O +19 O +) O +e O +, O +[ O +5 O +] O +20 O +C37H57NO7 O + +626.4064 O +626.4062 O +0.3 O +100 O +10 O +OCONH2 O +CH3 O +OH O +CH3 O +Carbamidocyclophane O +H O +( O +20 O +) O +e O +, O +[ O +7 O +] O +25 O +C36H56O6 O +583.3994 O +583.4004 O +1.7 O +83.1 O +9 O +OH O +CH3 O +OH O +CH3 O +Cylindrocyclophane O +A O +( O +25 O +) O +e O +, O +[ O +4 O +] O +35 O +C36H56O5 O +567.4004 O +567.4055 O +2.3 O +89.7 O +9 O +OH O +CH3 O +H O +CH3 O + +Cylindrocyclophane O +C O +, O +[ O +9 O +] O +36 O +C36H56O4 O +551.4102 O +551.4106 O +0.7 O +100 O +9 O +H O +CH3 O +H O +CH3 O +Cylindrocyclophane O +F O +, O +[ O +9 O +] O +53 O +C37H55NO7 O +624.3888 O +624.3906 O +2.9 O +88.7 O +11 O +OCONH2 O +CH3 O +O O +CH3 O +Putative O +new O +[7.7]paracyclophane O +f O +54 O +C37H57NO6 O +610.4113 O +610.4113 O +0.0 O +100 O +10 O + +OCONH2 O +CH3 O +H O +CH3 O +Putative O +new O +[7.7]paracyclophane O +f O +a O +Abbreviations O +: O +Meas O +. O + +Genome O +mining O +for O +orthologs O +of O +LtnJ O +uncovered O +three O +other O +putative O +dehydrogenases;421 O +SacJ O +, O +which O +is O +located O +in O +the O +Staphylococcus O +aureus O +C55 O +operon O +for O +the O +biosynthesis O +of O +staphylococcin O +C55,427 O +a O +lanthipeptide O +predicted O +to O +be O +very O +similar O +in O +structure O +to O +lacticin O +3147 O +; O +PenN O +from O +Pediococcus O +pentosaceus O +FBB61 O +, O +which O +is O +required O +to O +access O +bioactive O +pediocin O +A;428 O +and O +NpnJ O +( O +originally O +named O + +NstJ),421 O +which O +is O +from O +a O +cyanobacterium O +Nostoc O +punctiforme O +PCC73102 O +cluster O +that O +contains O +a O +LanM O +but O +does O +not O +produce O +lanthipeptides O +as O +the O +precursor O +peptides O +( O +NpnA O +) O +do O +not O +contain O +cysteines.368 O +LtnJ O +, O +NpnJ O +, O +PenN O +, O +and O +SacJ O +share O +many O +conserved O +residues O +including O +three O +or O +four O +conserved O +Cys O +residues O +predicted O +to O +bind O +zinc O +( O +NpnJ O +has O +three O +of O +the O +conserved O +Cys O +, O +LtnJ O +, O +SacJ O +, O +and O +PenN O + +have O +all O +four).429 O +These O +four O +enzymes O +have O +been O +classified O +as O +LanJA-type O +dehydrogenases O +based O +on O +their O +zinc O +and O +NADPH-dependence.425 O +The O +dehydrogenase O +activity O +for O +PenN O +and O +SacJ O +was O +demonstrated O +in O +vivo O +with O +the O +lacticin O +3147 O +substrate O +, O +confirming O +their O +function O +and O +suggesting O +that O +these O +enzymes O +do O +not O +require O +a O +leader O +peptide O +as O +a O +non-native O +substrate O +was O +accepted.429 O +Specifically O +, O +supplementing O +the O +ΔltnJ O +strain O +described O +above O +with O +penN O +restored O +d-Ala O +formation O +in O +both O +Ltnα O +and O +Ltnβ O +, O +whereas O +supplementation O +with O + +sacJ O +restored O +d-Ala O +formation O +in O +Ltnα O +but O +not O +in O +Ltnβ O +. O + +The O +whole O +DNA O +sequence O +of O +the O +S. O +venezuelae O +genome O +was O +determined O +, O +including O +the O +chloramphenicol O +biosynthetic O +gene O +cluster O +[ O +420 O +] O +( O +GB O +Nos. O +FR845719 B-bgc-accession +and O +AF262220 B-bgc-accession +) O +. O + +Two O +putative O +halogenase O +genes O +, O +mymM O +and O +mymP O +, O +were O +found O +in O +S. O +olivaceus O +FXJ8.012Δ1741 O +, O +while O +only O +one O +candidate O +, O +myeP O +, O +was O +present O +in O +S. O +sp. O +FXJ1.235 O +. O + +Unlike O +the O +ast O +cluster O +, O +where O +there O +are O +multiple O +HAD-like O +enzymes O +encoded O +( O +one O +terpene O +synthase O +and O +two O +phosphatases O +) O +, O +the O +putative O +nanangenine O +cluster O +only O +encodes O +one O +such O +enzyme O +, O +FE257_006542 O +. O + +Results O +and O +discussion O +Biosynthetic O +origin O +of O +the O +polycyclic O +scaffold O +of O +TXNs O +TXN-A O +was O +originally O +isolated O +from O +S. O +bottropensis O +DO-45 O +with O +the O +isolation O +of O +20 O +mg O +from O +an O +18 O +L O +fermentation O +broth;1,2 O +however O +this O +titer O +was O +not O +efficient O +enough O +for O +biosynthetic O +studies O +. O + +Swainsonine O +is O +an O +indolizidine O +alkaloid O +that O +is O +produced O +by O +insect O +and O +plant O +pathogens O +and O +symbionts O +belonging O +to O +the O +order O +Hypocreales O +, O +Chaetothyriales O +, O +Onygenales O +, O +Pleosporales O +, O +and O +Leotiomycetes O +. O + +The O +cluster O +houses O +genes O +for O +3-hydroxybutyryl-CoA O +dehydrogenase O +( O +tueI O +) O +and O +for O +a O +carboxylating O +enoyl-thioester O +reductase O +( O +tueH O +) O +bolstering O +the O +identification O +of O +the O +cluster O +as O +governing O +production O +of O +a O +butyrate O +unit-containing O +polyketide.38 O + +The O +suitability O +of O +our O +primer O +set O +to O +detect O +phenazine O +genes O +in O +Pseudomonas O +species O +was O +further O +demonstrated O +by O +performing O +a O +database O +search O +that O +matched O +perfectly O +several O +phenazine O +genes O +, O +e.g. O +, O +P. O +chlororaphis O +( O +L48339 B-bgc-accession +) O +, O +Pseudomonas O +sp. O +M18 O +( O +FJ494909 B-bgc-accession +) O +, O +P. O +aeruginosa O +( O +FM209186 B-bgc-accession +, O +CP000744 B-bgc-accession +, O +CP000438 B-bgc-accession +, O +AE004091 B-bgc-accession +, O +AF005404 B-bgc-accession +) O +. O + +Different O +phycotoxins O +cause O +distinct O +poisoning O +events O +. O + +Results O +and O +Discussion O +Identification O +of O +the O +Conglobatin O +Biosynthetic O +Gene O +Cluster O +Conglobatin O +is O +a O +symmetrical O +polyketide O +macrodiolide O +, O +and O +inspection O +of O +its O +structure O +suggests O +that O +its O +assembly O +is O +governed O +by O +an O +NRPS/PKS O +biosynthetic O +gene O +cluster O +. O + += O +Epichloë O +canadensis O +, O +FaTG-2 O += O +Neotyphodium O +species O +FaTG-2 O +, O +N. O +chi O += O +Neotyphodium O +chisosum O +, O +N. O +coe O +. O + +Ouabain O +and O +digoxin O +are O +the O +typical O +endogenous O +cardiac O +glycosides O +. O + +Phylogeny O +of O +three O +LOL O +genes O +, O +lolC O +, O +lolN O +, O +and O +lolP. O +Pseudogenes O +of O +lolC O +and O +lolP O +are O +labeled O +lolCψ O +and O +lolPψ O +, O +respectively O +. O + +The O +leader O +sequence O +is O +removed O +during O +the O +transport O +out O +of O +the O +cell O +by O +the O +bifunctional O +enzyme O +LanT O +( O +transporter O +with O +N-terminal O +protease O +) O +[31].Table O +3 O +Detected O +putative O +lanthipeptide O +gene O +clusters O +PhylumLanthipeptide O +classLocus O +tag O +of O +the O +lanthipeptide O +modifying O +enzyme O +LanSimilar O +to O +† O +Reference O +# O +Clostridium O +cellulovorans O +743B O +, O +ATCC O +35296FirmicutesI O +Clocel_4251 O +Clocel_4256 O +Clocel_4262 O +Clostridium O +kluyveri O +DSM O + +555FirmicutesI O +CKL_3505 O +Bifidobacterium O +longum O +DJO10AActino-bacteriaII O +BLD_1651 O +[ O +25 O +] O +Clostridium O +acetobutylicum O +ATCC O +824FimicutesII O +CA_C0082 O +Clostridium O +acetobutylicum O +DSM O +1731FimicutesII O +SMB_G0083 O +Clostridium O +acetobutylicum O +EA O +2018FimicutesII O +CEA_G0073 O +Clostridium O +beijerinckii O +NCIMB O + +8052FimicutesII O +Cbei_4586 O +[ O +25 O +] O +Clostridium O +botulinum O +H04402 O +065FimicutesII O +H04402_00616 O +H04402_00617 O +lichenicidin O +Clostridium O +cellulovorans O +743B O +, O +ATCC O +35296FimicutesII O +Clocel_0875 O +lichenicidin[32]II O +Clocel O +_ O +4225 O +Clocel_4228 O +Caldicellulosiruptor O +lactoaceticus O +6A O +, O +DSM O + +9545FimicutesII O +Calla_2060 O +Caldicellulosiruptor O +bescii O +Z-1320 O +, O +DSM O +6725FimicutesII O +Athe_1107 O +lichenicidin[32 O +] O +Caldicellulosiruptor O +kristjanssonii O +177R1B O +, O +DSM O +12137FimicutesII O +Calkr_0299 O +Bifidobacterium O +longum O +infantis O +JCM O +1222 O +, O +ATCC O +15697Actino-bacteriaIV O +BLIJ_0470 O +Propionibacterium O +acnes O +TypeIA2 O + +P.acn17Actino-bacteriaIV O +TIA2EST22_11370 O +†Cluster O +shows O +similarities O +to O +characterized O +RiPP O +cluster O +; O +# O +Cluster O +was O +previously O +detected O +by O +genome O +mining O +approaches O +. O + +In O +S. O +thiolactonus O +, O +in-frame O +deletions O +were O +introduced O +into O +the O +cluster-associated O +stuH O +, O +a O +gene O +encoding O +a O +carboxylating O +enoyl-thioester O +reductase O +( O +ccr O +) O +( O +Fig. O +S8† O +) O +; O +and O +also O +into O +stuB O +, O +the O +gene O +encoding O +the O +iterative O +PKS-NRPS O +( O +Fig. O +S9† O +) O +. O + +The O +resulting O +DNA O +fragment O +was O +sequenced O +, O +and O +the O +sequence O +deposited O +in O +the O +GenBank O +under O +accession O +number O +MH532527 B-bgc-accession +. O + +[ O +Dactylosporangium O +sp. O +SC14051]45 O +% O +srcmLII O +acyl O +CoA O +ligase536SsfL2 O + +The O +sxtA O +encodes O +a O +polyketide O +synthase O +in O +saxitoxin-producing O +cyanobacterium O +Anabaena O +circinalis O +. O + +In O +addition O +to O +ergot O +alkaloids O +, O +Claviceps O +species O +can O +also O +produce O +a O +second O +class O +of O +neurotropic O +alkaloids O +, O +the O +indole-diterpenes O +( O +“ O +tremorgens O +” O +) O +, O +known O +to O +cause O +staggers O +in O +livestock O +[ O +2 O +] O +. O + +The O +PKS O +AnaG O +supposedly O +adds O +an O +acetate O +unit O +without O +reduction O +and O +performs O +a O +methylation O +. O + +In O +order O +to O +determine O +the O +exact O +boundary O +of O +the O +cluster O +, O +the O +genes O +on O +both O +ends O +of O +the O +cluster O +V O +( O +g3262–g3284 O +) O +were O +individually O +disrupted O +. O + +A O +corresponding O +cluster O +of O +putative O +Lls O +homologs O +, O +all O +of O +which O +are O +predicted O +to O +encode O +biosynthetic O +enzymes O +, O +were O +also O +identified O +[ O +8 O +] O +; O +LlsB O +( O +99 O +% O +in O +the O +case O +of O +all O +three O +strains O +) O +, O +LlsY O +( O +95.4 O +% O +FH2051 O +, O +95 O +% O +SLCC6466 O +and O +SLCC6294 O +) O +and O +LlsD O +( O +98.4 O +% O +FH2051 O +, O +98 O +% O +SLCC6466 O +and O +SLCC6294 O +) O +. O + +Protease O +activity O +has O +also O +been O +established O +for O +the O +N-terminal O +150 O +amino O +acids O +of O +BovTp O +, O +which O +removed O +the O +leader O +peptide O +from O +mBovA O +to O +generate O +the O +lantibiotic O +bovicin O +HJ50 O +( O +Figure O +21).350 O +Based O +on O +the O +sequence O +similarity O +to O +other O +AMS O +transporters O +and O +to O +papain-like O +proteases O +, O +the O +catalytic O +triad O +of O +the O +protease O +domain O +of O +LctTp O +was O +proposed O +to O +consist O +of O +Asp106 O +, O +His90 O +, O +and O +Cys12 O +. O + +For O +instance O +, O +close O +to O +the O +upstream O +boundary O +reside O +genes O +acnA O +and O +acnB O +; O +all O +of O +these O +encode O +for O +hypothetical O +proteins O +. O + +The O +pathway O +is O +composed O +of O +the O +following O +steps O +: O +( O +i O +) O +transfer O +of O +a O +glycerol O +moiety O +from O +d-1,3-biphosphoglycerate O +to O +a O +discrete O +acyl O +carrier O +protein O +( O +ACP O +) O +( O +e.g. O +, O +Tmn7a O +in O +tetronomycin O +biosynthesis O +[ O +24 O +] O +, O +a O +homologue O +of O +AbmA3 O +) O +as O +catalyzed O +by O +a O +glyceryl-S-ACP O +synthase O +( O +e.g. O +, O +RkE O +in O +RK-682 O +biosynthesis O +[ O +25 O +] O +, O +a O + +homologue O +of O +AbmA2 O +) O +, O +leading O +to O +glyceryl-S-ACP O +; O +( O +ii O +) O +binding O +of O +the O +glyceryl-S-ACP O +to O +the O +nascent O +polyketide O +chain O +and O +detachment O +of O +the O +polyketide O +from O +the O +PKS O +, O +generating O +the O +linear O +hydroxymethyl O +tetronate O +ring O +as O +catalyzed O +by O +a O +ketoacyl-S-ACP O +synthase O +( O +e.g. O +, O +RkD O +in O +RK-682 O +biosynthesis O +[ O +26 O +] O +, O +a O +homologue O +of O +AbmA1 O +) O +; O + +( O +iii O +) O +exomethylene O +installation O +via O +an O +acylation-elimination O +process O +accomplished O +by O +an O +acyltransferase O +E2 O +component O +of O +2-oxoacid O +dehydrogenase O +multienzymes O +( O +e.g. O +, O +Agg4 O +in O +agglomerin O +biosynthesis O +[ O +27 O +] O +and O +QmnD3 O +in O +quartromicin O +biosynthesis O +[ O +28 O +] O +, O +homologues O +of O +AbmA4 O +) O +and O +an O +α/β O +hydrolase O +fold O +protein O +( O +e.g. O +, O +Agg5 O +in O +agglomerin O + +biosynthesis O +[ O +27 O +] O +and O +QmnD4 O +in O +quartromicin O +biosynthesis O +[ O +28 O +] O +, O +homologues O +of O +AbmA5 O +) O +. O + +The O +sequence O +of O +the O +mersacidin O +gene O +cluster O +has O +the O +accession O +number O +AJ250862 B-bgc-accession +. O + +This O +modification O +was O +first O +identified O +through O +structural O +elucidation O +of O +epidermin O +from O +S. O +epidermidis O +Tü3298,173 O +and O +subsequent O +heterologous O +expression O +of O +the O +epiD O +gene O +from O +the O +corresponding O +biosynthetic O +cluster O +produced O +a O +yellow O +flavoprotein O +that O +was O +presumed O +to O +function O +in O +AviCys O +formation.172 O +Reconstitution O +studies O +of O +EpiD O +, O +using O +either O +the O +precursor O +peptide O +EpiA283 O +or O +a O +synthetic O +peptide O +corresponding O +to O +the O +epidermin O +core,284 O +indicated O +a O +loss O +of O +46 O +Da O +from O +the O +substrate O +corresponding O +to O +the O +loss O +of O +CO2 O +and O +two O +H O +atoms O + +. O + +We O +tested O +the O +antimicrobial O +activity O +of O +37 O +bacteriocinogenic O +LAB O +, O +isolated O +from O +food O +and O +other O +sources O +, O +against O +clinical O +S. O +pneumoniae O +strains O +. O + +By O +sequencing O +the O +O-AGC O +of O +non-reacting O +strains O +, O +we O +showed O +that O +the O +serogroups O +O1 O +and O +O2 O +are O +encoded O +by O +different O +sets O +of O +O-antigen O +encoding O +genes O +and O +identified O +potentially O +new O +serotypes O +. O + +This O +study O +Lolium O +sp. O +( O +6x O +) O +– O +– O +TD O +nt O +NFL O +NFL O +FaTG-3 O +e4074 O +[ O +11 O +] O +Lolium O +sp. O +( O +6x O +) O +– O +– O +– O +nt O +NFL O +NFL O +NML O +NAL O +FaTG-4 O +e4305 O +PI O +598863 O +Lolium O +sp. O +( O +10x O +) O +ERV O +nt O +TD O +nt O +– O +– O +Neotyphodium O +aotearoae O +e899 O += O +MYA-1229 O +[ O +27 O +] O +Echinopogon O +ovatus O +– O +nt O +TD O + +nt O +NFL O +NFL O +N. O +chisosum O +e3609 O += O +ATCC O +64037 O +[ O +28 O +] O +Achnatherum O +eminens O +– O +nt O +– O +nt O +NFL O +nt O +N. O +coenophialum O +e19 O += O +ATCC O +90664 O +[ O +11 O +] O +Lolium O +arundinaceum O +ERV O +ERV O +CC O +– O +nt O +NFL O +NFL O +NML O +NAL O +NANL O +N. O +coenophialum O +e4163 O +PI O +422777 O +Lolium O +sp. O +( O +4x O +) O +ERV O +ERV O +TD O +nt O + +NFL O +NFL O +NML O +NAL O +NANL O +N. O +coenophialum O +e4309 O +PI O +598903 O +Lolium O +arundinaceum O +– O +– O +TD O +nt O +NFL O +NANL O +N. O +funkii O +e4096 O +[ O +28 O +] O +Achnatherum O +robustum O +CC O +CC O +TD O +nt O +– O +– O +N. O +gansuense O +var O +. O + +( O +a O +) O +The O +vlm O +gene O +cluster O +from O +S. O +tsusimaensis O +including O +two O +critical O +nonribosomal O +peptide O +synthetase O +( O +NRPS O +) O +genes O +( O +vlm1 O +and O +vlm2 O +) O +and O +five O +ORFs O +[ O +12 O +] O +, O +and O +the O +position O +of O +nine O +regions O +targeted O +by O +DNA O +amplification O +( O +amplicons O +A O +to O +I O +; O +also O +see O +Figure O +S1 O +) O +. O + +Results O +Here O +, O +we O +present O +the O +complete O +genome O +sequence O +of O +Actinoplanes O +sp. O +SE50/110 O +[ O +GenBank O +: O +CP003170 B-bgc-accession +] O +, O +the O +first O +publicly O +available O +genome O +of O +the O +genus O +Actinoplanes O +, O +comprising O +various O +producers O +of O +pharmaceutically O +and O +economically O +important O +secondary O +metabolites O +. O + +Thus O +, O +the O +partial O +deletion O +of O +lomo10 O +might O +not O +affect O +the O +expression O +of O +other O +genes O +, O +such O +as O +lomo11 O +. O + +AscR O +possessed O +a O +Zn2Cys6 O +binuclear O +cluster O +for O +DNA O +binding O +and O +was O +presumably O +a O +transcription O +regulator O +. O + +The O +order O +of O +the O +genes O +( O +anaA-anaG O +) O +in O +ana O +gene O +clusters O +from O +NIVA-CYA O +711 O +( O +Germany O +) O +and O +CAWBG02 O +( O +New O +Zealand O +) O +were O +identical O +to O +the O +three O +other O +C. O +issatschenkoi O +strains O +CHABD3 O +( O +China O +) O +, O +RM-6 O +and O +LBRI48 O +( O +Japan O +) O +[ O +14 O +] O +. O + +Therefore O +, O +we O +expected O +that O +TESmlC O +domain O +, O +which O +recognizes O +the O +acyl O +group O +derived O +from O +polyketide O +and O +the O +hydroxyl O +group O +of O +threonine O +as O +a O +nucleophile O +, O +would O +accept O +the O +intermediate O +from O +the O +new O +construct O +and O +catalyze O +macrocyclization O +. O + +Numerous O +functionalised O +strobilurin O +natural O +products O +are O +known6 O +in O +which O +the O +aromatic O +ring O +is O +hydroxylated O +( O +e.g. O +strobilurin O +F O +5)7 O +and O +chlorinated O +( O +e.g. O +strobilurin O +B O +6)1 O +and O +the O +hydroxyl O +groups O +can O +be O +, O +in O +turn O +, O +methylated O +or O +prenylated O +( O +e.g. O +strobilurin O +G O +7)7,8 O +. O + +The O +antibacterial O +bioassay O +indicated O +that O +all O +the O +samples O +, O +with O +the O +exception O +for O +those O +of O +M1154::pCHW301 O +and O +M1154::pCHW301ΔminR O +, O +lack O +bioactivities O +against O +the O +Bacillus O +subtilis O +indicator O +strain O +( O +Figure O +O O +2B O +) O + +orf29 O +, O +which O +is O +located O +at O +another O +end O +of O +the O +cluster O +, O +may O +also O +be O +involved O +in O +the O +self-resistance O +by O +transporting O +the O +drug O +[ O +336 O +] O +. O + +This O +proves O +that O +gene O +cluster O +no. O +9 O +, O +designated O +alp-cluster O +( O +Table O +2 O +) O +, O +is O +indeed O +responsible O +for O +the O +biosynthesis O +of O +alpiniamides O +. O + +Salivaricin O +G32 O +, O +a O +Homolog O +of O +the O +Prototype O +Streptococcus O +pyogenes O +Nisin-Like O +Lantibiotic O +SA-FF22 O +, O +Produced O +by O +the O +Commensal O +Species O +Streptococcus O +salivarius O +Salivaricin O +G32 O +, O +a O +2667 O +O O +Da O +novel O +member O +of O +the O +SA-FF22 O +cluster O +of O +lantibiotics O +, O +has O +been O +purified O +and O +characterized O +from O +Streptococcus O +salivarius O +strain O +G32 O + +The O +HPLC O +analysis O +of O +extract O +from O +wild O +strain O +showed O +the O +typical O +peak O +for O +bafilomycin O +B1 O +but O +no O +peak O +for O +bafilomycin O +A1 O +. O + +This O +pronounced O +analogy O +suggested O +that O +a O +non-ribosomal O +peptide O +is O +the O +likely O +product O +of O +the O +xtl-encoded O +NRPSs O +. O + +The O +fifth O +gene O +, O +wzt O +, O +encodes O +a O +predicted O +436 O +amino O +acid O +long O +protein O +. O + +Detection O +of O +Phenazines O +in O +the O +phzE O +Positive O +Strains O +To O +demonstrate O +the O +synthesis O +of O +phenazines O +in O +all O +phzE O +positive O +strains O +, O +cultures O +of O +these O +strains O +were O +extracted O +and O +analyzed O +by O +HPLC-UV/MS O +analyses O +. O + +The O +pattern O +of O +gene O +differences O +between O +serotypes O +being O +grouped O +in O +the O +middle O +of O +the O +gene O +cluster O +has O +also O +been O +observed O +in O +polysaccharide O +gene O +clusters O +of O +other O +species O +such O +as O +Acinetobacter O +baumannii O +( O +Hu O +et O +O O +al. O +2013 O + +Enzyme O +analyses O +and O +metabolite O +extractions O +from O +two O +hapalindole-producing O +Fischerella O +strains O +indicate O +the O +presence O +of O +cis O +and O +trans O +indole-isonitriles O +as O +biosynthetic O +intermediates O +in O +the O +early O +steps O +of O +the O +pathway O +. O + +Gene O +Size O +( O +bp/aa O +) O +Proposed O +Function O +Orthologue O +identified O +by O +BLASTP O +search O +Identity/Similarity O +[ O +% O +] O +orf1 O +1638/545 O +ATPase O +SZN_31494 O +, O +Streptomyces O +zinciresistens O +85/89 O +mpz1 O +486/161 O +Phenazine O +biosynthesis O +protein O +PhzB O +, O +Pseudomonas O +fluorescens O +69/81 O +mpz2 O +1224/407 O +3-Deoxy-D-arabino-heptulosonate O +7-phosphate O +synthase O +PhzC O +, O + +Pseudomonas O +fluorescens O +49/61 O +mpz3 O +573/190 O +2,3-Dihydro-3-hydroxy-anthranilate O +synthase O +PhzD O +, O +Pseudomonas O +fluorescens O +56/73 O +mpz4 O +1941/646 O +2-Amino-2-desoxy-isochorismate O +synthase O +PhzE O +, O +Pseudomonas O +fluorescens O +54/69 O +mpz5 O +1167/388 O +trans-2,3-Dihydro-3-hydroxyanthranilate O +isomerase O + +PhzF O +, O +Pseudomonas O +fluorescens O +60/70 O +mpz6 O +636/211 O +FMN-dependent O +oxidase O +PhzG O +, O +Pseudomonas O +fluorescens O +48/65 O +mpz7 O +1623/540 O +Monooxygenase O +ChnB O +, O +Brachymonas O +petroleovorans O +56/74 O +mpz8 O +330/109 O +Monooxygenase O +TcmH O +, O +Streptomyces O +glaucescens O +48/60 O +mpz9 O +1215/404 O +Flavin O +dependent O +hydroxylase O +PhzS O +, O +Pseudomonas O + +aeruginosa O +51/62 O +mpz10 O +996/331 O +Prenyltransferase O +O3I_007965 O +, O +Nocardia O +brasiliensis O +ATCC O +700358 O +33/51 O +mpz11 O +1020/339 O +Mevalonate O +kinase O +MK O +, O +Streptomyces O +cinnamonensis O +57/71 O +mpz12 O +1044/347 O +Mevalonate O +diphosphate O +decarboxylase O +Mcl8 O +, O +Streptomyces O +sp. O +CNH189 O +73/80 O +mpz13 O +1140/379 O + +Phosphomevalonate O +kinase O +PMK O +, O +Streptomyces O +sp. O +KO-3988 O +57/70 O +mpz14 O +1092/363 O +Isopentenyl O +diphosphate O +isomerase O +Mcl6 O +, O +Streptomyces O +sp. O +CNH189 O +74/86 O +mpz15 O +1068/355 O +3-Hydroxy-3-methylglutaryl O +CoA O +reductase O +HMGR O +, O +Streptomyces O +anulatus O +80/89 O +mpz16 O +1185/394 O + +3-Hydroxy-3-methylglutaryl O +CoA O +synthase O +Mcl4 O +, O +Streptomyces O +sp. O +CNH189 O +76/87 O +orf18 O +1212/403 O +integrase O +catalytic O +subunit O +OCO_06920 O +, O +Mycobacterium O +intracellulare O +MOTT-02 O +48/63 O +The O +six O +genes O +mpz11 O +- O +16 O +show O +obvious O +similarity O +( O +89 O +- O +70 O +% O +) O +to O +genes O +coding O +for O +enzymes O +of O +the O +mevalonate O +pathway O +, O +corresponding O +to O +the O +fact O +that O +the O +isoprenoid O +moieties O +of O + +JBIR-46 O +, O +-47 O +, O +and O +-48 O +originate O +from O +the O +mevalonate O +pathway O +[ O +14 O +] O +. O + +Two O +members O +of O +the O +mmpL O +family O +, O +a O +group O +of O +genes O +encoding O +large O +membrane O +proteins O +, O +are O +also O +required O +for O +GPL O +biosynthesis O +[ O +19,26 O +] O +. O + +In O +general O +, O +the O +four O +tested O +recombinant O +A O +domains O +were O +found O +to O +activate O +selectively O +predicted O +amino O +acids O +, O +experimentally O +confirming O +the O +speculation O +that O +the O +plp O +gene O +cluster O +involved O +in O +pelgipeptin O +biosynthesis O +. O + +Anti-SMASH O +software13 O +identified O +two O +potential O +PKS-encoding O +BGCs O +in O +each O +genome O +( O +Supplementary O +Figure O +O O +6 O +) O + +Viomycin O +and O +capreomycin O +are O +tuberactinomycin O +group O +antibiotics O +used O +for O +the O +treatment O +of O +multi-resistant O +tuberculosis O +. O + +Examination O +of O +the O +resultant O +strain O +revealed O +that O +the O +L. O +innocua O +LIPI-3 O +is O +indeed O +functional O +as O +evidenced O +by O +a O +clear O +haemolytic O +phenotype O +on O +Columbia O +blood O +agar O +( O +Figure O +O O +3 O +) O + +Holomycin O +is O +also O +produced O +by O +Streptomyces O +clavuligerus O +[ O +526,527 O +] O +. O + +Distribution O +of O +suicin O +90 O +- O +1330 O +gene O +cluster O +among O +S. O +suis O +serotype O +2 O +strains O +of O +ST25 O +and O +ST28 O +. O + +( O +A O +) O +Antifungal O +activity O +of O +metabolites O +against O +Rhizoctonia O +solani O +AG-1 O +( O +KACC O +40111 O +) O +. O + +However O +, O +the O +genome O +of O +S. O +sp. O +FXJ1.235 O +contained O +only O +one O +copy O +of O +the O +two O +genes O +, O +myeC O +and O +myeQ O +, O +respectively O +. O + +On O +the O +other O +hand O +, O +diacetylated O +compound O +27 O +revealed O +the O +lowest O +antimicrobial O +activity O +against O +Streptococcus O +spp O +. O + +Remarkably O +, O +both O +programs O +independently O +predicted O +the O +same O +gene O +order O +: O +pks1E-C-B-A-D. O +Just O +15 O +kb O +downstream O +of O +cACPL_2 O +, O +a O +second O +gene O +cluster O +( O +cACPL_3 O +) O +containing O +a O +long O +PKS O +gene O +with O +various O +accessory O +protein O +coding O +sequences O +could O +be O +identified O +( O +Figure O +9C O +) O +. O + +These O +genes O +appear O +to O +be O +transcribed O +from O +a O +single O +bidirectional O +promoter O +located O +between O +congA O +and O +congC. O +Tellingly O +, O +congA O +, O +congE O +, O +and O +congB O +are O +arranged O +together O +in O +exactly O +the O +same O +way O +as O +their O +counterparts O +ozmO O +, O +ozmP O +, O +and O +ozmQ O +in O +the O +oxazolomycin O +gene O +cluster O +. O + +Genes O +involved O +in O +the O +polyketide O +assembly O +Ten O +PKS O +modules O +were O +identified O +in O +the O +ptx O +gene O +cluster O +, O +encoded O +by O +ptxB O +, O +ptxC O +, O +ptxF O +, O +and O +ptxH. O +PtxC O +and O +PtxF O +closely O +resembled O +OzmQ O +( O +67 O +% O +identity O +) O +and O +OzmN O +( O +51 O +% O +identity O +) O +, O +respectively O +. O + +Characterization O +of O +Leucocin O +B-KM432Bz O +from O +Leuconostoc O +pseudomesenteroides O +Isolated O +from O +Boza O +, O +and O +Comparison O +of O +its O +Efficiency O +to O +Pediocin O +PA-1 O +A O +bacteriocin-producing O +bacterium O +was O +isolated O +from O +boza O +and O +identified O +as O +Leuconostoc O +pseudomesenteroides O +KM432Bz O +. O + +Genome O +mining O +reveals O +short O +NRPS O +genes O +in O +the O +genome O +of O +strains O +GPE O +PC73 O +and O +XaS3 O +Two O +short O +NRPS O +genes O +are O +also O +present O +on O +the O +chromosome O +of O +strain O +GPE O +PC73 O +in O +two O +additional O +loci O +. O + +The O +use O +of O +negatively O +charged O +glutamyl-tRNAGlu O +as O +a O +cosubstrate O +may O +explain O +the O +observation O +that O +Ser/Thr O +residues O +flanked O +by O +hydrophobic O +residues O +are O +better O +substrates O +for O +dehydration O +than O +those O +flanked O +by O +polar O +and O +especially O +negatively O +charged O +residues.74,79 O +Although O +NisB O +could O +utilize O +the O +E. O +coli O +glutamyl-tRNAGlu O +as O +a O +source O +of O +activated O +Glu O +, O +the O +LanB O +from O +the O +NAI-107 O +producing O +organism O +Microbispora O +sp. O +107891 O +, O +MibB O +, O +could O +not O +do O +so O +efficiently.196 O +Reconstitution O +of O + +activity O +for O +MibB O +required O +the O +addition O +of O +the O +charged O +cognate O +CUC O +anticodon O +tRNAGlu O +from O +the O +producing O +organism.196 O +A O +comparison O +of O +the O +nucleotide O +sequence O +of O +Microbispora O +sp. O +107891 O +tRNAGlu O +with O +that O +of O +E. O +coli O +tRNAGlu O +revealed O +differences O +in O +the O +acceptor O +stem O +. O + +Nogalamycin O +is O +an O +anthracycline O +group O +antibiotic O +produced O +by O +S. O +nogalater O +. O + +Analysis O +of O +the O +reverse O +transcription O +of O +phtL O +, O +the O +intergenic O +region O +of O +phtMN O +and O +amtA O +, O +confirmed O +that O +expression O +of O +these O +genes O +in O +enhanced O +by O +components O +present O +in O +leaf O +extracts O +. O + +Results O +Identification O +of O +the O +1 O +BGC O +The O +genome O +of O +P. O +fluorescens O +ATCC O +39502 O +was O +sequenced O +at O +the O +Earlham O +Institute O +( O +Norwich O +, O +UK O +) O +using O +the O +Pacific O +Biosciences O +( O +PacBio O +) O +RSII O +platform O +, O +and O +assembly O +using O +the O +HGAP2 O +pipeline O +gave O +a O +single O +circular O +contig O +of O +∼6.15 O +O O +Mb O + +These O +genes O +were O +tandemly O +arranged O +in O +the O +cluster O +from O +PC-07 O +to O +PC-13 O +and O +PC-18 O +to O +PC-19 O +, O +interrupted O +by O +genes O +PC-14 O +to O +PC-17 O +. O + +Polyketide O +synthase O +domains O +are O +as O +follows O +KS O +ketosynthase O +, O +AT O +acyltransferase O +, O +KR O +ketoreductase O +, O +DH O +dehydratase O +, O +ACP O +acyl-carrier-protein O +, O +CAL O +CoA O +ligase O +, O +KSIII O +3-oxoacyl-ACP O +synthase O +III O +Pathway O +regulation O +Four O +ORFs O +( O +gonMR O +, O +gonL1 O +, O +gonL2 O +and O +gonL3 O +) O +could O +be O +responsible O +for O +PM100117/18 O +pathway O +regulation O +as O +they O +code O +for O +proteins O +with O + +high O +sequence O +resemblance O +to O +transcription O +regulatory O +proteins O +. O + +Biosynthesis O +of O +ergot O +alkaloids O +goes O +via O +the O +common O +intermediate O +chanoclavine-I O +, O +and O +studies O +of O +the O +key O +enzymes O +, O +EasE O +and O +EasC O +, O +involved O +in O +chanoclavine-I O +formation O +, O +have O +relied O +on O +gene O +complementation O +in O +fungi O +, O +whereas O +further O +characterization O +has O +been O +hampered O +by O +difficulties O +of O +poor O +EasE O +protein O +expression O +. O + +The O +patE O +gene O +encodes O +a O +patellamide O +A O +and O +C O +precursor O +peptide O +of O +71 O +amino O +acid O +residues O +, O +the O +first O +37 O +of O +which O +serve O +as O +a O +leader O +sequence O +for O +processing O +. O + +Hyarulomycin-biosynthetic O +genes O +are O +indicated O +with O +orf O +numbers O +as O +shown O +in O +Table O +5Table O +5Putative O +hyaluromycin O +biosynthetic O +gene O +cluster O +and O +the O +neighboring O +genesOrf1-Size O +(aa)Proposed O +functionClosest O +homologHomolog O +( O +I/S O +, O +% O +) O +inDescription O +, O +Origin O +, O +Accession O +numberI/Sb O +(%)grh O +clusterrub O +cluster769230cyclasehypothetical O +protein O +, O +Streptomyces O +fulvoviolaceus O +, O + +WP_05242508254/63–RubK O +(53/63)768a656ABC O +transporter O +ATP-binding O +proteinmultidrug O +ABC O +transporter O +ATP-binding O +protein O +, O +Actinopolymorpha O +alba O +, O +WP_02057673170/83––767a577multidrug O +ABC O +transporter O +ATPasemultidrug O +ABC O +transporter O +ATPase O +, O +Streptomyces O +varsoviensis O +, O + +WP_03088138569/81––766a117MarR O +family O +transcriptional O +regulatorMarR O +family O +transcriptional O +regulator O +, O +Actinomadura O +macra O +, O +WP_06746891145/63––765a72unknownhypothetical O +protein O +, O +Streptomyces O +aurantiacus O +, O +WP_055507532.56/60––764a498transcriptional O +regulatorhypothetical O +protein O +, O +Streptomyces O +sp. O +NRRL O +WC-3742 O +, O + +WP_05183632055/63GrhR2 O +(34/48)763a533amide O +synthetasehypothetical O +protein O +, O +partial O +, O +Streptomyces O +sp. O +NRRL O +WC-3742 O +, O +WP_07891086060/70––762a4055-aminolevulinate O +synthaseAsuD2 O +, O +Streptomyces O +nodosus O +subsp O +. O + +These O +results O +confirmed O +that O +MyeD O +and O +MyeG O +were O +essential O +for O +mycemycin O +biosynthesis O +and O +MyeP O +was O +responsible O +for O +the O +post-halogenation O +of O +mycemycin O +in O +S. O +sp. O +FXJ1.235 O +. O + +Lantibiotic O +gene O +clusters O +identified O +in O +firmicutes O +Identification O +of O +novel O +Bacillus O +cereus O +associated O +lantibiotic O +clusters O +Bacillus O +species O +are O +rod-shaped O +, O +endospore-forming O +aerobic O +or O +facultatively O +anaerobic O +, O +Gram-positive O +bacteria O +that O +are O +ubiquitous O +in O +nature O +. O + +Elucidation O +of O +Final O +Steps O +of O +the O +Marineosins O +Biosynthetic O +Pathway O +through O +Identification O +and O +Characterization O +of O +the O +Corresponding O +Gene O +Cluster O +O O +The O +marine O +Streptomyces O +sp. O +CNQ-617 O +produces O +two O +diastereomers O +, O +marineosins O +A O +and O +B. O +These O +are O +structurally O +related O +to O +alkyl O +prodiginines O +, O +but O +with O +a O +more O +complex O +cyclization O +and O +an O +unusual O +spiroaminal O +skeleton O + +Tetrodotoxin O +is O +known O +to O +be O +biosynthesized O +by O +various O +bacteria O +, O +including O +actinobacteria O +, O +bacteroides O +, O +firmicutes O +, O +and O +proteobacteria O +[ O +140,141 O +] O +. O + +This O +analysis O +successfully O +led O +to O +the O +identification O +of O +the O +brominated O +marine O +pyrroles/phenols O +( O +bmp O +) O +biosynthetic O +gene O +locus O +in O +both O +bacteria O +. 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O + +p O +O O +< O +O O +0.01 O +, O +* O +p O +O O +< O +O O +0.05 O +During O +the O +fermentation O +anaphase O +( O +after O +the O +6th O +day O +) O +, O +the O +expression O +levels O +of O +MpFasA2 O +, O +MpFasB2 O +, O +MpPKS5 O +, O +mppD O +, O +mmpB O +, O +and O +mppR1 O +were O +significantly O +up-regulated O +( O +p O +O O +< O +O O +0.01 O + +The O +precursor O +peptide O +D187_01267 O +from O +C. O +fuscus O +DSM O +2262 O +has O +eight O +cysteine O +residues O +, O +the O +highest O +among O +all O +the O +identified O +precursor O +peptides O +. O + +Orf O +5 O +, O +which O +is O +located O +5 O +prime O +to O +sxtM1 O +, O +and O +contains O +a O +short O +truncated O +sequence O +which O +is O +highly O +similar O +to O +sxtH O +, O +a O +hydroxylase O +putatively O +involved O +in O +the O +hydroxylation O +of O +C-12 O +of O +saxitoxin O +. 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O +, O +2003 O +− O +2 O ++ O +− O +− O +− O +O2:H25 O + +Ribosomally O +Synthesized O +and O +Post-Translationally O +Modified O +Peptides O +( O +RiPPs O +) O +Lanthipeptides O +are O +members O +of O +the O +rapidly O +expanding O +RiPP O +family O +of O +natural O +products O +. O + +No O +RT-PCR O +amplicons O +were O +detected O +at O +sub-region O +IIf O +( O +PT8 O +) O +( O +orf25 O +and O +orf26 O +) O +and O +region O +III O +( O +PT9 O +) O +( O +orf27-orf28 O +) O +. O + +In O +order O +to O +investigate O +this O +, O +genB O +gene O +encoding O +a O +putative O +lantibiotic O +dehydratase O +( O +Table O +2 O +) O +was O +inactivated O +via O +insertion O +of O +the O +pC1_KN O +vector O +into O +its O +coding O +region O +, O +yielding O +recombinant O +strain O +YIM O +130001/KN O +. 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O +O O +echinospora O +HS-1520 O +- O +016 O +- O +89 O +) O +is O +an O +industrial O +gentamicin O +B O +producing O +strain O +( O +486 O +O O +mg/L O +) O +generated O +by O +Hisun O +Pharmaceutical O +Co. O +Ltd O +through O +conventional O + +This O +new O +SM O +has O +structural O +similarities O +to O +the O +known O +histone O +deacetylase O +inhibitor O +apicidin O +. O + +The O +biosynthetic O +gene O +cluster O +of O +zearalenone O +was O +cloned O +from O +Fusarium O +graminearum O +as O +a O +50 O +kb O +DNA O +fragment O +[ O +328,329,330 O +] O +. O + +Moreover O +, O +the O +transcriptome O +dataset O +of O +S. O +officinalis O +presented O +other O +genes O +, O +such O +as O +SoGPS O +, O +SoFPS2 O +, O +and O +SoGGPSΙΙ10 O +, O +which O +are O +the O +immediate O +precursor O +of O +the O +mono- O +, O +sesqui- O +, O +and O +di-terpene O +biosynthesis O +pathway O +. 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O + +2.7.1.1300605.7833.27 O +SoFOLK3 O +K15892 O +SO|comp825225_c0 O +2.7.1.20525.34 O +SoFOLK4 O +K15892 O +SO|comp22857_c0 O +2.7.1.2732721.03 O +SoPCYOX1 O +K05906 O +SO|comp17568_c0 O +1.8.3.5 O +, O +O O +1.8.3.6227571721.78 O +SoSTE24 O +- O + +K06013 O +SO|comp520699_c0 O +3.4.24.8432641.88 O +SoSTE24 O +- O +2 O +K06013 O +SO|comp8969_c0 O +3.4.24.841628659.7927.93 O +SoCHLP1 O +K10960 O +SO|comp12058_c0 O +1.3.1.831475924.49 O + +EEQ86297 B-bgc-accession +PJ-14 O +( O +janQ O +) O +9 O +469 O +Cytochrome O +P450 O +monooxygenase O +P. O +paxilli O +0.0 O +AAK11527 B-bgc-accession +PJ-15 O +( O +janD O +) O +2 O +438 O +Aromatic O +prenyl O +transferase O +P. O +paxilli O +0.0 O +AAK11526 B-bgc-accession +PJ-16 O +( O +janO O +) O +4 O +448 O +FAD-binding O +oxidoreductase O +P. O +paxilli O +0.0 O +ADO29935 B-bgc-accession +PJ-17 O +4 O +283 O +Conserved O +hypothetical O + +Talaromyces O +marneffei O +6e−32 O +XP_002147239 B-bgc-accession +PJ-18 O +2 O +348 O +Alcohol O +dehydrogenase O +A. O +terreus O +0.0 O +XP_001212944 B-bgc-accession +PJ-19 O +2 O +272 O +FRG1-like O +family O +protein O +P. O +oxalicum O +0.0 O +EPS27959 B-bgc-accession +PJ-20 O +3 O +720 O +Conserved O +hypothetical O +P. O +oxalicum O +0.0 O +EPS27958 B-bgc-accession +PJ-21 O +2 O +514 O +Glucoronyl O +hydrolase O +P. O +oxalicum O + +0.0 O +EPS27957 B-bgc-accession +PJ-22 O +7 O +801 O +Transcriptional O +regulator O +P. O +oxalicum O +0.0 O +EPS27956 B-bgc-accession +Proposed O +janthitremane O +biosynthetic O +genes O +are O +shown O +in O +bold O +type O +. 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O +CCA54203 B-bgc-accession +and O +CCA57351 B-bgc-accession +) O +, O +acetyltransferase O +[ O +422 O +] O +, O +and O +a O +phosphotransferase O +[ O +423,424 O +] O +( O +GB O +No. O +CCA57350 B-bgc-accession +) O +were O +reported O +to O +be O +involved O +in O +self-resistance O +. O + +Consequently O +, O +derived O +Actinoplanes O +strains O +with O +increased O +acarbose O +yields O +are O +being O +used O +in O +large O +scale O +industrial O +batch O +fermentation O +since O +1990 O +and O +were O +continuously O +optimized O +by O +conventional O +mutagenesis O +and O +screening O +experiments O +. O + +The O +Role O +of O +Each O +Gene O +within O +the O +fus O +Gene O +Cluster O +in O +Inhibition O +of O +F. O +oxysporum O +f. O +sp. O +cucumerium O + +Results O +Distribution O +of O +the O +anabaenopeptin O +synthesis O +genes O +among O +the O +genus O +planktothrix O +Phylogenetic O +analysis O +of O +all O +125 O +Planktothrix O +strains O +revealed O +a O +diversification O +comprising O +three O +major O +lineages O +: O +Lineage O +1 O +and O +Lineage O +2 O +represented O +only O +the O +strains O +assigned O +to O +P. O +agardhii/P. O +rubescens O +and O +Lineage O +3 O +represented O +P. O +pseudagardhii O +, O +P. O +mougeotii O +, O +and O +P. O +tepida O +( O +Figure O +2 O +) O +. O + +Results O +and O +discussion O +General O +features O +of O +anaerobe O +genomes O +with O +respect O +to O +RiPPs O +To O +survey O +the O +diversity O +of O +RiPPs O +we O +have O +undertaken O +a O +bioinformatic O +investigation O +of O +211 O +complete O +and O +published O +anaerobe O +genomes O +for O +the O +presence O +of O +RiPP O +genes O +and O +gene O +clusters O +. O + +We O +therefore O +assumed O +that O +proteins O +Au8003 O +and O +Au11565 O +were O +sesterterpene O +synthase O +, O +and O +that O +Au13192 O +was O +diterpene O +synthase O +. O + +The O +acn O +cluster O +localized O +to O +a O +39.8 O +kb O +length O +region O +consisting O +of O +25 O +open O +reading O +frames O +( O +ORFs O +) O +, O +including O +a O +set O +of O +four O +genes O +that O +drive O +the O +construction O +of O +the O +4-methyl-3-hydroxy-anthranilic O +acid O +( O +4-MHA O +) O +precursor O +and O +three O +non-ribosomal O +peptide O +synthetases O +( O +NRPSs O +) O +that O +generate O +the O +4-MHA O +pentapeptide O +semi-lactone O +, O +which O +, O +upon O +dimerization O +, O +affords O +final O +actinomycin O +D. O +Furthermore O +, O +the O +acn O +cluster O +contains O +four O +positive O +regulatory O +genes O + +acnWU4RO O +, O +which O +were O +identified O +by O +in O +vivo O +gene O +inactivation O +studies O +. O + +Discovery O +and O +Biosynthesis O +of O +the O +Antibiotic O +Bicyclomycin O +in O +Distantly O +Related O +Bacterial O +Classes O +ABSTRACT O +Bicyclomycin O +( O +BCM O +) O +is O +a O +clinically O +promising O +antibiotic O +that O +is O +biosynthesized O +by O +Streptomyces O +cinnamoneus O +DSM O +41675 O +. O + +Further O +mutation O +analysis O +revealed O +that O +with O +the O +exception O +of O +fusTE O +, O +the O +seven O +genes O +fusG O +, O +fusF O +, O +fusE O +, O +fusD O +, O +fusC O +, O +fusB O +, O +and O +fusA O +within O +the O +fus O +cluster O +were O +all O +involved O +in O +inhibiting O +fungi O +. O + +( O +ii O +) O +EPS273-B O +belongs O +to O +P-loop_NTPase O +superfamily O +and O +is O +predicted O +to O +be O +a O +sensor O +kinase O +. O + +The O +analysis O +of O +the O +genome O +using O +antiSMASH O +software O +revealed O +that O +29 O +gene O +clusters O +are O +involved O +in O +the O +biosynthesis O +of O +diverse O +secondary O +metabolites O +including O +terpenes O +, O +lanthipeptides O +, O +non-ribosomal O +peptides O +, O +and O +polyketides O +( O +Supplementary O +Table O +S2 O +) O +. O + +Their O +inhibitory O +activities O +are O +moderate O +compared O +with O +those O +of O +known O +cathepsin O +B O +inhibitors O +, O +such O +as O +E-64 O +, O +which O +are O +active O +at O +a O +nM O +range O +[ O +23 O +] O +. O + +Non-enzymatic O +pyridine O +ring O +formation O +in O +the O +biosynthesis O +of O +the O +rubrolone O +tropolone O +alkaloids O +The O +pyridine O +ring O +is O +a O +potent O +pharmacophore O +in O +alkaloid O +natural O +products O +. O + +The O +former O +transporter O +was O +reported O +to O +be O +responsible O +for O +the O +transport O +of O +ochratoxin O +into O +the O +outside O +of O +the O +cell O +. O + +Of O +the O +18 O +putative O +genes O +responsible O +for O +EPS273 O +biosynthesis O +, O +four O +genes O +are O +predicted O +to O +encode O +regulatory O +proteins O +. O + +A O +Terpene O +Synthase O +Is O +Involved O +in O +the O +Synthesis O +of O +the O +Volatile O +Organic O +Compound O +Sodorifen O +of O +Serratia O +plymuthica O +4Rx13 O +Bacteria O +release O +a O +plethora O +of O +volatile O +organic O +compounds O +, O +including O +compounds O +with O +extraordinary O +structures O +. O + +Two O +transporter O +genes O +pmxC O +and O +pmxD O +are O +present O +in O +the O +middle O +of O +the O +cluster O +. O + +The O +capreomycin O +biosynthetic O +gene O +cluster O +was O +cloned O +. O + +Streptomyces O +sp. O +ICC1 O +and O +Streptomyces O +sp. O +ICC4 O +have O +a O +total O +of O +450 O +subsystems O +while O +S. O +lavendulae O +has O +435 O +, O +indicating O +all O +three O +strains O +likely O +possess O +similar O +specific O +biological O +processes O +and O +structural O +complexes O +( O +Overbeek O +et O +al. O +, O +2005 O +) O +. O + +The O +por20 O +is O +homologous O +to O +NRPS O +coding O +gene O +orf21 O +from O +anthramycin O +biosynthesis O +responsible O +for O +anthranilate O +building O +unit O +activation O +. O + +This O +is O +of O +particular O +interest O +for O +necrotrophic O +pathogens O +, O +as O +fumonisins O +can O +induce O +plant O +cell O +death O +by O +depletion O +of O +extracellular O +ATP O +[ O +78 O +] O +. O + +In O +total O +, O +222 O +SNP O +’s O +were O +located O +in O +the O +coding O +regions O +anaA O +, O +orf O +1 O +, O +anaB O +, O +anaC O +, O +anaD O +, O +anaF O +and O +anaG. O +One O +hundred O +and O +thirty-four O +of O +the O +222 O +SNP O +’s O +were O +synonymous O +and O +88 O +were O +nonsynonymous O +substitutions O +. O + +The O +rifamycin O +biosynthetic O +gene O +cluster O +was O +cloned O +from O +Amycolatopsis O +mediterrane O +[ O +445 O +] O +. O + +Orf8 O +might O +therefore O +represent O +yet O +another O +fragment O +of O +a O +PST O +biosynthesis O +accessory O +gene O +that O +has O +been O +inactivated O +. O + +The O +tomaymycin O +biosynthetic O +gene O +cluster O +was O +cloned O +as O +26 O +kb O +DNA O +fragment O +, O +and O +one O +transporter O +gene O +, O +tomM O +, O +was O +identified O +within O +the O +cluster O +[ O +132 O +] O +( O +GB O +No. O +FJ768957 B-bgc-accession +) O +. O + +In O +addition O +to O +DivA O +and O +DivM O +, O +these O +include O +an O +α-ketoglutarate-dependent O +Fe(II O +) O +monooxygenase/β-Asp O +hydroxylase O +( O +DivX O +; O +ARD09204 B-bgc-accession +) O +, O +a O +homolog O +of O +DurN O +( O +WP_071962205.1 B-bgc-accession +) O +shown O +to O +be O +involved O +in O +lysinoalanine O +formation15–17 O +( O +DivN O +; O +ARD09209 B-bgc-accession +) O +, O +a O +SAM-dependent O +methyltransferase O +( O +DivMT O +; O +ARD09206 B-bgc-accession +) O +, O + +and O +an O +ABC-type O +transporter O +( O +DivT O +; O +ARD09207 B-bgc-accession +) O +. O + +The O +biosynthetic O +gene O +cluster O +for O +nystatin O +was O +cloned O +from O +S. O +noursei O +ATCC11455 O +[ O +281 O +] O +. O + +Genbank O +Accession O +Number O +The O +GenBank O +accession O +number O +for O +the O +partial O +salivaricin O +G32 O +( O +sln O +) O +locus O +from O +S. O +salivarius O +strain O +G32 O +is O +JN831266 B-bgc-accession +. O + +A O +further O +set O +of O +7 O +ORFs O +( O +nocD O +– O +H O +and O +nocL O +– O +M O +) O +appeared O +to O +be O +connected O +to O +fatty O +acid O +processing O +, O +including O +two O +coding O +sequences O +of O +fatty O +acyl-AMP O +ligases O +( O +FAALs O +) O +and O +associated O +acyl O +carrier O +proteins O +( O +ACPs O +) O +( O +nocH O +and O +nocL O +– O +M O +) O +. O + +Intriguingly O +these O +four O +enzymes O +( O +AcOS O +, O +PaFs O +, O +PaPs O +and O +AbFS O +) O +are O +all O +bifunctional O +terpene O +synthases O +that O +each O +possess O +two O +catalytically O +independent O +domains O +namely O +PT O +and O +TC O +, O +and O +can O +therefore O +carry O +out O +both O +chain O +elongation O +and O +terpene O +cyclization O +. O + +Genome O +mining O +reveals O +the O +genus O +Xanthomonas O +to O +be O +a O +promising O +reservoir O +for O +new O +bioactive O +non-ribosomally O +synthesized O +peptides O +Background O +Various O +bacteria O +can O +use O +non-ribosomal O +peptide O +synthesis O +( O +NRPS O +) O +to O +produce O +peptides O +or O +other O +small O +molecules O +. O + +Recent O +studies O +have O +implicated O +type O +III O +polyketide O +synthases O +( O +PKSs O +) O +in O +cell O +wall O +alterations O +in O +several O +bacteria O +. O + +The O +biosynthetic O +gene O +cluster O +for O +microcystin O +spanning O +55 O +kb O +was O +cloned O +( O +GB O +No. O +AF183408 B-bgc-accession +) O +. O + +Although O +inactivation O +of O +rubA O +did O +not O +affect O +rubrolone O +production O +( O +Supplementary O +Fig. O +2 O +, O +trace O +IV O +) O +, O +both O +S. O +albus O +9B10-ΔB O +and O +S. O +albus O +9B10-ΔC O +shared O +a O +similar O +metabolite O +profile O +that O +included O +abolished O +production O +of O +1 O +together O +with O +three O +new O +peaks O +5–7 O +( O +Fig. O +2 O +, O +traces O +V O +and O +VI O +) O +. O + +The O +indolocarbazole O +staurosporine O +is O +a O +potent O +inhibitor O +of O +a O +variety O +of O +protein O +kinases O +such O +as O +protein O +kinase O +C O +and O +cyclin-dependent O +protein O +kinase O +. O + +In O +addition O +, O +there O +are O +several O +efflux O +( O +kanO O +and O +kanN O +) O +and O +ABC O +transporter O +protein O +genes O +( O +kanS O +, O +kan O +R O +and O +kanQ O +) O +. O + +K311 O +was O +sequenced O +( O +NCBI O +accession O +number O +: O +JN852959 B-bgc-accession +) O +and O +analyzed O +with O +FramePlot O +and O +18 O +genes O +were O +predicted O +to O +be O +involved O +in O +echinomycin O +biosynthesis O +( O +Figure O +2 O +) O +. O + +The O +hamC O +gene O +encodes O +a O +p-aminobenzoate O +N-oxygenase O +, O +known O +as O +AurF O +, O +which O +catalyzes O +the O +conversion O +of O +p-aminobenzoate O +( O +PABA O +) O +to O +p-nitrobenzoate O +(PNBA)19 O +. O + +A O +phpR/brpA O +homolog O +, O +which O +we O +assume O +controls O +expression O +of O +the O +PAL O +locus O +, O +was O +found O +in O +the O +corresponding O +location O +in O +K. O +phosalacinea O +. O + +Among O +them O +, O +non-disulfide-bridged O +peptides O +are O +attractive O +compounds O +, O +because O +they O +show O +antimicrobial O +, O +antimalarial O +, O +immunosuppressing O +, O +and O +anticancer O +activities O +, O +and O +may O +be O +relevant O +for O +the O +development O +of O +pharmaceutical O +drugs O +[ O +195 O +] O +. O + +Lankamycin O +is O +a O +14-membered O +macrolide O +antibiotic O +. O + +Interestingly O +, O +E. O +canadensis O +e4815 O +contained O +a O +complete O +EAS O +cluster O +from O +the O +E. O +amarillans O +ancestor O +but O +only O +four O +EAS O +genes O +( O +dmaW O +, O +easE O +, O +easF O +and O +easC O +) O +from O +the O +E. O +elymi O +ancestor O +, O +while O +the O +other O +E. O +canadensis O +isolate O +CWR34 O +only O +contained O +the O +same O +four O +E. O +elymi O +EAS O +genes O +( O +Table O +3 O +) O +. O + +This O +locus O +also O +contains O +eight O +other O +genes O +that O +have O +not O +yet O +been O +experimentally O +characterized O +: O +two O +encode O +membrane O +proteins O +( O +mmpS4 O +and O +mmpL10 O +) O +that O +may O +also O +interact O +with O +the O +polyketide O +synthase O +of O +the O +cluster O +, O +two O +encode O +a O +sigma O +factor O +and O +a O +sigma-associated O +protein O +( O +ecf O +and O +sap O +, O +respectively O +) O +that O +are O +believed O +to O +contribute O +to O +the O +regulation O +of O +GPL O +production O +, O +and O +four O +have O +no O +known O +function O +( O +Table O +1 O +and O +Fig. O +1 O +) O +[ O +18,19 O +] O +. O + +It O +contains O +15 O +open O +reading O +frames O +, O +including O +tleA O +for O +a O +nonribosomal O +peptide O +synthetase O +, O +tleB O +for O +a O +P-450 O +monooxygenase O +, O +tleC O +for O +an O +aromatic O +prenyltransferase O +, O +and O +three O +genes O +for O +ABC O +transporter O +. O + +Two O +self-resistance O +proteins O +were O +reported O +, O +one O +is O +oxygen O +oxidoreductase O +( O +Mcr O +) O +and O +the O +other O +is O +mitomycin-binding O +protein O +( O +Mrd O +) O +[ O +487,488 O +] O +. O + +Ciguatoxins O +are O +produced O +by O +benthic O +dinoflagellates O +of O +the O +genus O +Gambierdiscus O +and O +are O +concentrated O +in O +commonly O +consumed O +fish O +in O +the O +tropical O +and O +subtropical O +regions O +of O +the O +world O +, O +through O +the O +marine O +food O +chain O +. O + +Therefore O +, O +to O +provide O +additional O +evidence O +that O +the O +correct O +genomic O +locus O +was O +identified O +, O +one O +of O +these O +orfs O +— O +orf21 O +encoding O +a O +putative O +aminoglycoside O +phosphotransferase O +— O +was O +heterologously O +expressed O +in O +1-sensitive O +strains O +to O +reveal O +the O +gene O +product O +confers O +selective O +resistance O +to O +1 O +. O + +TblD O +appears O +to O +represent O +an O +interesting O +gene O +fusion O +whose O +product O +is O +a O +full-length O +glucose-methanol-choline-oxidoreductase O +( O +GMC-oxidoreductase O +) O +with O +a O +GNAT O +family O +acetyltransferase O +domain O +on O +the O +carboxy-terminus O +. O + +Similarly O +, O +were O +identified O +the O +compound O +Y O +as O +filipin O +I O +( O +Table O +O O +1 O +) O + +Therefore O +, O +among O +the O +nine O +cluster O +genes O +involved O +in O +KK-1 O +biosynthesis O +, O +seven O +( O +apart O +from O +NRPS O +and O +the O +transcription-factor-encoding O +gene O +) O +, O +which O +were O +named O +OMT O +, O +TR02 O +, O +TR03 O +, O +TR06 O +, O +TR07 O +, O +TR08 O +, O +and O +TR09 O +( O +see O +Figure O +4 O +) O +, O +were O +introduced O +into O +the O +A. O +oryzae O +strain O +with O +NRPS O +. O + +The O +vph O +gene O +encoding O +viomycin O +phosphotransferase O +is O +involved O +in O +the O +self-resistance O +[ O +473 O +] O +. O + +The O +prototypical O +members O +of O +the O +group O +I O +lasso O +peptides O +include O +siamycin O +I O +[ O +58 O +] O +, O +siamycin O +II O +[ O +58 O +] O +and O +RP71955 O +[ O +59 O +] O +, O +all O +of O +which O +possess O +two O +disulfide O +bonds O +and O +an O +N-terminal O +cysteine O +[ O +1 O +, O +56 O +, O +57 O +] O +. O + +This O +gene O +cluster O +consists O +of O +eight O +genes O +, O +among O +which O +six O +are O +conserved O +in O +the O +helvolic O +acid O +gene O +cluster O +except O +fusC1 O +and O +fusB1 O +. O + +These O +results O +confirm O +that O +phaseolotoxin O +is O +a O +virulence O +factor O +. O + +A O +mutant O +with O +an O +in-frame O +deletion O +in O +tmlU O +made O +both O +marinolic O +acid O +and O +pyrrothines O +but O +no O +thiomarinol O +( O +Figure O +3 O +) O +strongly O +suggesting O +a O +role O +for O +TmlU O +in O +joining O +them O +together O +. O + +Annotation O +of O +the O +genes O +revealed O +a O +type O +II O +polyketide O +biosynthetic O +gene O +cluster O +that O +consists O +of O +36 O +genes O +and O +might O +be O +involved O +in O +the O +biosynthesis O +of O +1 O +and O +2 O +. O + +The O +DrrD O +protein O +may O +function O +as O +oxygen O +oxidoreductase O +, O +like O +McrA O +in O +mitomycin O +C O +resistance O +[ O +480 O +] O +. O + +Moreover O +, O +a O +set O +of O +mutant O +constructs O +with O +deletion O +of O +alpD O +, O +alpR O +, O +and O +alpE O +genes O +were O +created O +. O + +Results O +and O +discussion O +Construction O +of O +JI-20A-overproducing O +strain O +by O +disrupting O +genP O +and O +genK O +genes O +The O +original O +strain O +can O +potentially O +generate O +gentamicin O +B O +; O +as O +such O +, O +we O +determined O +whether O +gentamicin O +B O +is O +synthesized O +from O +the O +2ʹ-amino-containing O +precursor O +by O +the O +KanJ O +and O +KanK O +homologs O +. O + +We O +observed O +the O +loss O +of O +microcystin O +during O +cultivation O +of O +a O +closely O +related O +strain O +, O +Phormidium O +sp. O +DVL1003c O +. O + +These O +gene O +fragments O +represented O +good O +candidates O +for O +saxitoxin O +biosynthesis O +genes O +due O +to O +their O +homology O +to O +the O +saxitoxin O +genes O +( O +sxtT O +and O +sxtH O +) O +previously O +identified O +in O +C. O +raciborskii O +T3 O +[ O +21 O +] O +. O + +An O +acyltransfer O +onto O +the O +analog O +4 O +C-13 O +hydroxyl O +, O +via O +the O +action O +of O +sxtACT O +results O +in O +the O +formation O +of O +analog O +6 O +, O +which O +can O +then O +be O +sulfated O +by O +SxtSUL O +to O +form O +analog O +1 O +. O + +Aclacinomycin O +A O +( O +aclarubicin O +) O +, O +a O +trisaccharide O +anthracycline O +, O +is O +shown O +to O +be O +active O +in O +patients O +with O +acute O +myeloblastic O +leukemia O +, O +but O +induces O +late O +cardiac O +toxicity O +. O + +To O +verify O +this O +hypothesis O +, O +S. O +netropsis O +CGMCC O +4.1650 O +was O +subjected O +to O +Illumina O +genome O +sequencing O +. O + +Of O +them O +, O +six O +genes O +( O +AcmABGKIW O +) O +are O +hypothetical O +genes O +involved O +in O +5′-O-sulfonamide O +formation O +. O + +67 O +Transposition/inactive O +sxtP O +1482 O +ABI75126.1 B-bgc-accession +SxtP O +Anabaena O +circinalis O +AWQC131C O +86 O +Regulator/pilli O +formation O +sxtD O +759 O +ABI75125.1 B-bgc-accession +SxtD O +Anabaena O +circinalis O +AWQC131C O +85 O +Desaturation O +sxtE O +363 O +ABI75124.1 B-bgc-accession +SxtE O +Anabaena O +circinalis O +AWQC131C O +90 O +Unknown O +* O +Indicates O +a O +PsiBLAST O +search O +was O +used O +. O + +Results O +Identification O +and O +heterologous O +biosynthesis O +of O +pallidocin O +The O +pallidocin O +producer O +strain O +was O +identified O +as O +A. O +pallidus O +8 O +( O +previously O +referred O +to O +as O +Geobacillus O +sp. O +832 O +) O +by O +a O +Genome-to-Genome O +Distance O +Calculator O +( O +GGDC O +) O +using O +a O +digital O +DNA−DNA O +hybridization O +( O +dDDH O +) O +analysis O +tool36 O +. O + +HRESI(+)MS O +analysis O +of O +nanangenine O +F O +( O +8) O +revealed O +a O +protonated O +molecule O +( O +[ O +M O ++ O +H]+ O +m/z O +367.2483 O +) O +indicative O +of O +a O +molecular O +formula O +C21H34O5 O +, O +requiring O +one O +fewer O +DBE O +than O +2 O +. O + +The O +antitumor O +protein O +actinoxanthin O +was O +isolated O +from O +Actinomyces O +globisporus O +. O + +Deletion O +of O +SMA4147 O +did O +not O +affect O +althiomycin O +production O +; O +in O +contrast O +, O +mutation O +of O +SMA2452 O +abolished O +althiomycin O +production O +( O +Figure O +6A O +and O +Figure O +S2 O +) O +. O + +Only O +welM2 O +was O +identified O +in O +the O +wel O +gene O +cluster O +from O +FM O +SAG1427 O +- O +1 O +. O + +In O +this O +work O +, O +we O +identified O +the O +actinomycin O +biosynthetic O +gene O +cluster O +( O +BGC O +) O +acn O +by O +detailed O +analyses O +of O +the O +S. O +costaricanus O +SCSIO O +ZS0073 O +genome O +. O + +The O +resistance O +genes O +encoding O +rRNA O +methyltransferase O +( O +tlrB O +; O +GB O +No. O +AAD12162 B-bgc-accession +) O +and O +the O +ABC O +transporter O +( O +tlrC O +; O +GB O +No. O +AAA26832 B-bgc-accession +) O +are O +located O +at O +both O +ends O +of O +the O +cluster O +. O + +( O +82/89 O +, O +the O +81st–174th O +aa)Orf2207DNA-binding O +response O +regulatorAOK24_RS06245/S. O +niveiscabieiWP_063799404.1 O +(61/74)Orf3361Hypothetical O +proteinAOK24_RS06240/S. O +niveiscabieiWP_079056694.1 O +( O +56/67 O +) O +Genes O +encoding O +modular O +PKSs O +Four O +large O +type O +I O +PKSs O +were O +identified O +within O +the O +rdm O +cluster O + +. O + +The O +suggested O +scheme O +follows O +the O +KEGG O +indole O +diterpene O +biosynthetic O +pathway O +, O +illustrating O +a O +parsimonious O +route O +to O +epoxy-janthitrem O +I O +( O +11 O +, O +12-epoxy-janthitrem O +G O +) O +and O +its O +variants O +( O +epoxy-janthitrems O +II O +– O +IV O +) O +. O + +Bacillus O +amyloliquefaciens O +FZB42 O +was O +chosen O +for O +these O +experiments O +because O +it O +already O +harbors O +the O +mersacidin O +immunity O +genes O +. O + +The O +sequence O +gaps O +within O +the O +PKS O +genes O +were O +filled O +by O +chromosomal O +walking O +using O +the O +pWLI512 O +or O +pWLI513 O +as O +template O +. O + +( O +MIC O += O +3.0‒12.0 O +µM O +) O +, O +and O +was O +up O +to O +60-fold O +less O +effective O +than O +the O +most O +potent O +compounds O +, O +such O +as O +its O +monoacetylated O +congener O +cylindrocyclophane O +B O +( O +26 O +) O +. O + +CSU93 O +Pe O +SVGIDAEPH O +--(x)35 O +- O +- O +FCAKEATYKAWF O +25 O +% O +/ O +34 O +% O +Gramicidin O +Gsp O +Bacillus O +brevis O +str O +. O + +Our O +analysis O +thus O +left O +the O +biosynthesis O +of O +2 O +as O +the O +remaining O +unknown O +, O +and O +only O +the O +products O +of O +obaG O +and O +obaH O +to O +be O +functionally O +assigned O +. O + +The O +functions O +of O +Rv0926 O +and O +Rv1174c O +are O +not O +known O +, O +sap O +and O +ecf O +may O +play O +roles O +in O +the O +regulation O +of O +GPL O +biosynthesis O +, O +and O +were O +this O +the O +case O +, O +it O +would O +suggest O +that O +the O +regulatory O +circuits O +in O +these O +species O +have O +diverged O +. O + +The O +MlbQ O +polypeptide O +is O +a O +small O +lipoprotein O +from O +the O +NAI-107 O +biosynthetic O +gene O +cluster O +in O +Microbispora O +ATCC O +PTA-5024 O +that O +confers O +specific O +resistance O +to O +NAI-107-like O +lantibiotics.321 O +Like O +the O +coordinated O +immunity O +provided O +by O +LanI O +and O +LanEFG O +proteins O +, O +protection O +against O +NAI-107 O +like O +lantibiotics O +is O +conferred O +by O +several O +proteins O +, O +MlbJQYX.321 O +Although O +MlbQ O +sequesters O +NAI-107 O +and O +functions O +analogously O +to O +NisI O +and O +SpaI O +, O +its O +structure O +shows O +a O +novel O +topology O +consisting O + +of O +four O +β O +strands O +topped O +by O +two O +short O +helices O +( O +Figure O +19A O +) O +. O + +Each O +module O +of O +a O +canonical O +PKS O +has O +minimally O +a O +ketosynthase O +( O +KS O +) O +domain O +, O +an O +acyltransferase O +( O +AT O +) O +specifying O +the O +nature O +of O +the O +incoming O +extension O +unit O +, O +and O +an O +acylcarrier O +protein O +( O +ACP O +) O +that O +tethers O +intermediates O +to O +the O +assembly O +line O +. O + +However O +, O +in O +general O +, O +this O +type O +of O +PKS O +enzymes O +is O +thought O +to O +be O +the O +major O +class O +of O +polyketide O +biosynthesis O +machineries O +. O + +It O +results O +from O +swallowed O +spores O +of O +Clostridium O +botulinum O +( O +or O +rarely O +, O +neurotoxigenic O +Clostridium O +butyricum O +or O +Clostridium O +baratii O +) O +that O +germinate O +and O +temporarily O +colonize O +the O +lumen O +of O +the O +large O +intestine O +, O +where O +, O +as O +vegetative O +cells O +, O +they O +produce O +botulinum O +toxin O +. O + +High-resolution O +positive O +electrospray O +ionisation O +mass O +spectrometry O +( O +HRESI(+)MS O +) O +analysis O +of O +nanangenine O +A O +( O +1 O +) O +revealed O +an O +adduct O +ion O +( O +[ O +M O ++ O +Na]+ O +m/z O +305.1363 O +) O +indicative O +of O +a O +molecular O +formula O +C15H22O5 O +requiring O +five O +double O +bond O +equivalents O +( O +DBE O +) O +. O + +The O +streptothricin O +group O +antibiotics O +show O +a O +broad O +antibacterial O +spectrum O +. O + +Mangotoxin O +, O +which O +is O +a O +more O +recently O +described O +toxin O +, O +inhibits O +ornithine O +acetyltransferase O +( O +OAT O +) O +( O +Figure O +1 O +) O +, O +producing O +an O +ornithine O +deficit O +and O +interfering O +with O +arginine O +metabolism O +. O + +The O +viomycin O +biosynthetic O +gene O +cluster O +was O +cloned O +and O +sequenced O +. O + +From O +the O +sequence O +data O +of O +these O +two O +vectors O +, O +we O +confirmed O +that O +the O +assembly O +line O +organizations O +of O +JBIR-06 O +and O +neoantimycin O +NRPS-PKSs O +were O +identical O +with O +those O +in O +the O +previous O +report32 O +, O +except O +for O +NatD O +( O +Fig. O +O O +1 O +) O + +TueB O +also O +houses O +a O +C-terminal O +domain O +bearing O +significant O +sequence O +resemblance O +to O +the O +cyclisation O +( O +Cy O +) O +domains O +of O +NRPS O +multienzymes O +, O +which O +typically O +catalyse O +the O +heterocyclisation O +of O +cysteine O +and O +serine/threonine O +to O +thiazoline O +and O +oxazoline O +rings.35 O +This O +TueB O +domain O +contains O +the O +active O +site O +sequence O +motif O +DxxxxDxxS O +( O +where O +x O +is O +any O +amino O +acid O +) O +conserved O +in O +Cy O +domains.36 O +TueC O +contains O +an O +adenylation O +domain O +predicted O +to O +be O +specific O +for O +the O +activation O +of O + +l-cysteine O +, O +and O +a O +peptidyl O +carrier O +protein O +( O +PCP O +) O +domain O +to O +which O +the O +cysteinyl O +residue O +is O +proposed O +to O +become O +tethered.37 O +The O +co-location O +of O +a O +gene O +encoding O +cysteine O +activation O +with O +an O +unusual O +PKS O +pointed O +to O +the O +identity O +of O +this O +cluster O +as O +governing O +thiotetronate O +biosynthesis O +. O + +For O +that O +purpose O +, O +a O +series O +of O +mutant O +strains O +affected O +in O +NQ O +biosynthesis O +putative O +genes O +( O +Fig. O +O O +5 O +) O +was O +generated O +by O +disruption O +of O +gonP8 O +, O +or O +individual O +deletion O +of O +gonM4 O +, O +gonMT O +, O +gonSL O +, O +gonS1 O +or O +gonS2 O + +The O +lichenicidins O +consist O +of O +two O +single O +peptides O +which O +gain O +their O +full O +activity O +only O +in O +combination O +[ O +30 O +] O +and O +they O +are O +encoded O +by O +two O +different O +precursor O +peptides O +as O +well O +as O +modified O +by O +two O +separate O +LanM O +enzymes O +. O + +Further O +, O +we O +exploit O +these O +findings O +to O +guide O +the O +design O +of O +artificial O +cytolytic O +toxins O +that O +are O +recognized O +by O +the O +SLS O +biosynthetic O +enzymes O +and O +others O +that O +are O +intrinsically O +cytolytic O +. O + +We O +thus O +consider O +that O +AscR O +positively O +regulates O +the O +expression O +of O +both O +the O +asc-1 O +and O +-2 O +cluster O +genes O +by O +binding O +to O +this O +motif O +. O + +Furthermore O +, O +in O +contrast O +to O +diacetylated O +cylindrofridin O +C O +( O +30 O +) O +, O +monoacetylated O +congeners O +A O +( O +28 O +) O +and O +B O +( O +29 O +) O +were O +also O +active O +against O +MRSA O +strains O +N315 O +and O +Mu50 O +( O +MICs O +between O +6.0 O +and O +21.6 O +µM O +) O +. O + +In O +all O +cases O +we O +did O +not O +observe O +growth O +inhibitory O +activity O +in O +the O +concentration O +range O +up O +to O +100 O +μg/ml O +. O + +The O +wzx O +, O +wzy O +and O +wzz O +OPS O +processing O +genes O +are O +present O +in O +all O +gene O +clusters O +, O +indicating O +that O +all O +Y. O +pseudotuberculosis O +serotypes O +use O +the O +Wzx/Wzy-dependent O +pathway O +for O +O-antigen O +biosynthesis O +. O + +Characterization O +of O +the O +asc-2 O +Cluster O +Genes O +. O + +In O +this O +paper O +, O +we O +first O +report O +on O +the O +30 O +kb O +gene O +cluster O +( O +23 O +genes O +, O +acmA O +to O +acmW O +) O +involved O +in O +the O +biosynthesis O +of O +these O +two O +antibiotics O +and O +a O +biosynthetic O +assembly O +line O +was O +proposed O +. O + +Results O +and O +discussion O +Identification O +of O +the O +talopeptin O +biosynthetic O +gene O +cluster O +To O +explore O +the O +genetic O +basis O +for O +the O +assembly O +of O +1 O +and O +2 O +we O +sequenced O +the O +genome O +of O +Streptomyces O +mozunensis O +MK-23 O +, O +the O +original O +talopeptin O +producer O +. O + +This O +analysis O +predicted O +that O +the O +operon O +encodes O +a O +three O +protein O +hybrid O +NRPS-PKS O +assembly O +line O +( O +alb4 O +, O +alb5 O +and O +alb6 O +) O +, O +associated O +tailoring O +enzymes O +( O +alb2 O +and O +alb3 O +) O +and O +an O +export O +and/or O +resistance O +protein O +( O +alb1 O +) O +. O + +In O +addition O +, O +GliT O +, O +a O +gliotoxin O +reductase O +, O +plays O +an O +important O +role O +in O +the O +self-resistance O +[ O +344,345 O +] O +. O + +The O +genes O +for O +apoprotein O +( O +kedA O +) O +and O +two O +transporters O +( O +kedX2 O +and O +kedX O +) O +are O +present O +within O +the O +cluster O +. O + +At O +first O +the O +leader O +peptide O +of O +bacteriocin O +KM432Bz O +was O +identified O +from O +translation O +analysis O +of O +the O +gene O +cluster O +sequence O +and O +showed O +to O +have O +an O +identical O +amino O +acid O +sequence O +to O +that O +shared O +by O +leucocin O +B-Ta11a O +and O +leucocin O +A-QU15 O +( O +Fig. O +4 O +) O +, O +the O +latter O +having O +also O +been O +isolated O +from O +a O +Leuc O +. O + +oryzae O +strains O +X8 O +- O +1A O +and O +X11 O +- O +5A O +, O +possess O +novel O +NRPS O +gene O +clusters O +and O +share O +related O +NRPS-associated O +genes O +such O +as O +those O +required O +for O +the O +biosynthesis O +of O +non-proteinogenic O +amino O +acids O +or O +the O +secretion O +of O +peptides O +. O + +AcmX O +and O +AcmY O +were O +shown O +to O +share O +high O +homology O +to O +all O +known O +FAD-dependent O +chlorinases O +, O +such O +as O +ChlB4 O +( O +accession O +number O +AAZ77674 B-bgc-accession +) O +from O +Streptomyces O +antibiotics O +which O +participate O +in O +chlorothricin O +biosynthesis O +( O +65 O +% O +and O +57 O +% O +protein O +sequence O +identity O +respectively O +) O +[ O +32 O +] O +. O + +Methymycin O +is O +a O +12-membered O +macrolide O +that O +is O +isolated O +from O +Streptomyces O +venezuelae O +. O + +The O +cluster O +was O +intermediated O +by O +an O +unrelated O +gene O +annotated O +as O +hypothetical O +protein O +, O +the O +trans-isoprenyl O +diphosphate O +synthase O +( O +II5_05400 O +) O +. O + +In O +addition O +, O +identification O +of O +amphipathic O +α-helices O +in O +the O +primary O +sequence O +and O +immuno-detection O +of O +NisB O +in O +vesicles O +of O +L. O +lactis O +lead O +to O +the O +expectation O +that O +NisB O +may O +be O +membrane O +associated,182 O +which O +also O +stalled O +biochemical O +efforts O +. O + +Amino O +acid O +sequence O +of O +leucocin O +B-KM432Bz O +precursor O +( O +this O +study O +) O +was O +aligned O +class O +IIa O +bacteriocin O +precursors O +from O +Leuconostoc O +: O +leucocin O +A-UAL187 O +, O +leucocin O +A-QU15 O +, O +leucocin O +B-Ta11a O +, O +mesentericin O +Y105 O +and O +pediocin O +PA-1 O +from O +Ped O +. O + +Based O +on O +these O +facts O +, O +we O +hypothesized O +that O +the O +six-gene-mediated O +reaction O +is O +likely O +to O +be O +a O +common O +pathway O +in O +the O +early O +stage O +biosynthesis O +of O +all O +fusidane-type O +antibiotics O +to O +give O +the O +key O +intermediate O +2 O +, O +which O +is O +then O +bifurcated O +to O +generate O +different O +fusidane-type O +antibiotics O +under O +the O +action O +of O +different O +post-modification O +enzymes O +( O +Fig. O +2D O +) O +. O + +We O +also O +demonstrated O +that O +MinCN O +( O +the O +N-terminal O +phosphatase O +domain O +of O +MinC O +) O +, O +MinD O +( O +uracil O +phosphoribosyltransferase O +) O +, O +and O +MinT O +( O +transporter O +) O +function O +together O +as O +the O +safeguard O +enzymes O +, O +which O +collaboratively O +constitute O +an O +unusual O +self-resistance O +system O +. O + +Physical O +map O +of O +the O +genomic O +region O +containing O +the O +XaPPTase O +gene O +in O +Xanthomonas O +oryzae O +strains O +and O +of O +the O +corresponding O +region O +in O +other O +sequenced O +species O +of O +Xanthomonas O +. O + +hydrophila O +ATCC O +7966 O +99 O +YP_857384 B-bgc-accession +ORF3 O +3295 O +.. O +4308 O +nucleotide O +sugar O +epimerase O +wcaG O +Aeromonas O +hydrophila O +subsp O +. O + +Deduced O +Functions O +of O +Open O +Reading O +Frames O +in O +the O +Tautomycetin O +Biosynthetic O +Gene O +Cluster O +gene O +sizea O +proposed O +function O +homologueb O +identity%/ O +similarity% O +orf(−1 O +) O +262 O +transposase O +MUL_2441 O +( O +YP_906264 O +) O +32/42 O +Upstream O +boundary O +of O +the O +ttn O +cluster O +ttnQ O +472 O +transcriptional O +activator O +StaR O +( O +BAC55205 O +) O +13/19 O +ttnJ O +560 O +multidrug O +transporter O +RHA1_ro04399 O +( O +YP_704343 O +) O +49/53 O +ttnI O + +449 O +cytochrome O +P450 O +EryF O +( O +1Z8Q_A O +) O +30/43 O +ttnR O +470 O +dehydratase O +PrpD O +( O +2HP3_A O +) O +24/38 O +ttnS O +272 O +unknown O +PFL_4035 O +( O +YP_261132 O +) O +27/39 O +ttnH O +259 O +thioesterase O +PikAV O +( O +AAC69333 O +) O +42/53 O +ttnG O +926 O +regulatory O +protein O +ThcG O +( O +AAD28307 O +) O +33/46 O +ttnF O +505 O +l-carnitine O +dehydratase O + +CaiB O +( O +1XK7_B O +) O +12/24 O +ttnE O +444 O +crotonyl-CoA O +reductase O +Ccr O +( O +AAA92890 O +) O +75/84 O +ttnD O +485 O +UbiD O +family O +decarboxylases O +UbiD O +( O +2IDB_A O +) O +24/36 O +ttnC O +209 O +flavoprotein O +decarboxylase O +VdcB O +( O +AAD28781 O +) O +57/71 O +ttnB O +7576 O +PKS O +modules O +6–9 O +ttnA O +9528 O +PKS O +loading O +module O +and O +modules O +1–5 O +ttnK O +465 O + +esterase O +PnbA O +( O +1QE3_A O +) O +29/44 O +ttnP O +383 O +CoA O +transferase O +CaiB O +( O +1XVV_A O +) O +24/41 O +ttnO O +309 O +citryl O +CoA O +lyase O +Mtb O +CitE O +( O +1Z6K_A O +) O +24/37 O +ttnN O +363 O +unknown O +EhpF O +( O +AAN40895 O +) O +37/52 O +ttnM O +339 O +hydroxylase O +Plav_0577 O +( O +YP_001411857 O +) O +29/42 O +ttnL O +185 O +unknown O + +Ybhb O +( O +1FUX_A O +) O +25/33 O +Downstream O +boundary O +of O +the O +ttn O +cluster O +orf1 O +507 O +polyprenyl O +phospho-mannosyltransferase O +MppI O +( O +AAU34200 O +) O +32/48 O +Numbers O +are O +in O +amino O +acids O +. O + +Importantly O +, O +the O +tlsC O +gene O +was O +also O +associated O +with O +putative O +genes O +encoding O +YcaO-type O +dehydratase O +( O +tlsQ O +) O +and O +flavin-dependent O +oxidoreductase O +( O +tlsP O +) O +in O +the O +same O +operon O +( O +Table O +O O +S1 O +) O + +The O +XaPPTase O +gene O +was O +found O +in O +all O +analyzed O +strains O +of O +X. O +albilineans O +and O +X. O +oryzae O +. O + +Introduction O +Aminoglycosides O +( O +AGs O +) O +constitute O +one O +of O +the O +oldest O +classes O +of O +clinically O +important O +antibiotics O +( O +Becker O +and O +Cooper O +, O +2013 O +; O +Jackson O +et O +O O +al. O +, O +2013 O + +Some O +argimycins O +P O +showed O +a O +piperidine O +ring O +with O +a O +polyene O +side O +chain O +( O +argimycin O +PIX O +) O +; O +others O +contain O +also O +a O +fused O +five-membered O +ring O +( O +argimycins O +PIV-PVI O +) O +. O + +However O +, O +recent O +genome O +sequencing O +and O +transcriptome O +analysis O +, O +combined O +with O +blast O +analysis O +, O +indicate O +that O +monofunctional O +Type O +I O +PKS O +are O +present O +in O +brevetoxin-producing O +dinoflagellates O +Karenia O +brevis O +[ O +38,39 O +] O +, O +Alexandrium O +ostenfeldii O +[ O +40 O +] O +, O +and O +Heterocapsa O +triqueta O +[ O +41 O +] O +. O + +Three O +ORFs O +of O +brnQ1 O +, O +napA1 O +and O +DHelicase O +that O +amplified O +and O +sequenced O +from O +the O +genomic O +DNA O +of O +L. O +plantarum O +I-UL4 O +were O +also O +found O +in O +the O +reported O +operons O +. O + +Similarly O +, O +an O +in-frame O +deletion O +was O +created O +in O +the O +PKS-NRPS O +gene O +tlmA O +in O +order O +to O +link O +the O +putative O +tlm O +cluster O +in O +Lentzea O +sp. O +ATCC O +31319 O +to O +the O +production O +of O +TLM O +. O + +Gene O +name O +in O +P. O +roqueforti O +Strain O +CECT2905a O +Strain O +FM164b O +Size O +of O +the O +deducedproteinc O +( O +aminoacids O +) O +Putative O +function O +in O +andrastin O +A O +biosynthesisd O +Identity O +( O +% O +) O +withorthologous O +proteins O +ofthe O +P. O +chrysogenum O +adr O +cluster O +adrA O +Proq04g062820 O +508 O +Cytochrome O +P450 O +monooxygenase O +94 O +adrC O +Proq04g062830 O +1,452 O +MFS O +transporter O +83 O +adrD O + +Proq04g062840 O +2,495 O +Polyketide O +synthase O +83 O +adrE O +Proq04g062850 O +336 O +Ketoreductase O +89 O +adrF O +Proq04g062860a O +256 O +Short O +chain O +dehydrogenase O +91 O +adrG O +Proq04g062870 O +316 O +Prenyltransferase O +87 O +adrH O +Proq04g062880a O +476 O +FAD-dependent O +monooxygenase O +83 O +adrI O +Proq04g062890 O +245 O +Terpene O +cyclase O +94 O + +adrJ O +Proq04g062900 O +496 O +Acetyltransferase O +85 O +adrK O +Proq04g062910 O +278 O +Methyltransferase O +94 O +Despite O +several O +efforts O +, O +we O +did O +not O +found O +any O +ORF O +with O +similarity O +to O +the O +adrB O +gene O +from O +P. O +chrysogenum O +in O +the O +P. O +roqueforti O +genome O +. O + +The O +mode O +of O +action O +of O +edeines O +was O +reported O +to O +inhibit O +DNA O +synthesis O +at O +low O +concentration O +, O +and O +translation O +at O +high O +concentration O +, O +and O +also O +inhibit O +cell O +division O +[ O +455 O +] O +. O + +Interestingly O +, O +acetylated O +cylindrocyclophanes O +26 O +and O +27 O +( O +MICs O +of O +3.2‒6.4 O +and O +95.7 O +µM O +) O +as O +well O +as O +cylindrofridins O +28 O +and O +29 O +( O +MICs O +of O +10.8 O +and O +12.1‒48.2 O +µM O +) O +tended O +to O +be O +less O +potent O +, O +and O +diacetylated O +cylindrofridin O +30 O +was O +not O +active O +in O +the O +concentration O +range O +tested O +. O + +A O +tobramycin O +producer O +, O +S. O +tenebrarius O +, O +was O +reported O +to O +produce O +rRNA O +methyltransferase O +( O +KgmB O +) O +[ O +35 O +] O +. O + +All O +L. O +monocytogenes O +lineages O +produce O +the O +haemolysin O +Listeriolysin O +O O +( O +a O +60 O +kDa O +protein O +encoded O +by O +hly O +located O +within O +LIPI-1 O +) O +[ O +15 O +] O +, O +[26]–[28 O +] O +which O +would O +be O +expected O +to O +mask O +any O +haemolytic O +activity O +associated O +with O +LLS O +. O + +In O +silico O +analysis O +of O +the O +draft O +genome O +of O +M. O +O O +echinospora O +CCTCC O +M O +2018898 O +using O +antiSMASH O +( O +Weber O +et O +O O +al. O +, O +2015 O +) O +allowed O +the O +identification O +of O +a O +gene O +cluster O +containing O +32 O +open O +reading O +frames O +( O +Fig. O +O O +1A O +) O +, O +which O +show O +the O +same O +gene O +organization O +pattern O +and O +share O +on O +average O +96 O +% O +sequence O +identity O +with O +genes O +in O +the O +previously O +characterized O +gentamicin O +gene O +cluster O +of O +M. O +O O +echinospora O +ATCC15835 O +( O +GenBank B-bgc-accession +accession O +number O +: O +KY971520 O +) O +( O + +2014).Fig O +. O + +The O +biosynthetic O +gene O +cluster O +was O +cloned O +from O +A. O +fumigatus O +, O +containing O +a O +major O +facilitator O +superfamily O +type O +transporter O +[ O +342 O +] O +. O + +Furthermore O +, O +the O +EcdB O +TF O +also O +showed O +similarity O +with O +other O +in-cluster O +TF O +of O +fungal O +secondary O +metabolite O +such O +as O +AfoA O +, O +CtnR O +, O +Dep6 O +, O +CurR O +, O +RhaR O +and O +Sol4 O +which O +regulate O +asperfuranone O +, O +citrinin O +, O +depudecin O +, O +dehydrocurvularin O +, O +L-rhamnose O +, O +and O +solanopyrone O +biosynthetic O +gene O +cluster O +respectively O +. O + +The O +LOL O +cluster O +of O +E. O +brachyelytri O +E4804 O +, O +which O +accumulates O +AcAP O +without O +an O +ether O +bridge O +, O +had O +an O +inactive O +lolO O +gene O +due O +to O +an O +internal O +deletion O +, O +and O +also O +lacked O +functional O +lolN O +, O +lolM O +, O +and O +lolP O +genes O +. O + +Kanamycin O +A O +yields O +were O +4059±204 O +and O +4161±269 O +μg/mL O +, O +respectively O +( O +Fig O +5B O +) O +. O + +On O +the O +other O +hand O +, O +in O +bud O +flowers O +, O +the O +monoterpenes O +compounds O +were O +shown O +as O +the O +main O +group O +( O +1.11 O +% O +) O +, O +followed O +by O +one O +diterpene O +and O +one O +sesquiterpene O +compound O +represented O +( O +0.48 O +and O +0.03 O +% O +) O +, O +respectively O +. O + +In O +addition O +to O +the O +precursor O +peptide O +named O +LclA O +the O +gene O +cluster O +encodes O +a O +transporter O +( O +LclB O +) O +and O +an O +additional O +protein O +that O +is O +important O +for O +immunity O +( O +Figure O +O O +10A O +) O + +While O +friulimicin O +B O +inhibits O +the O +cell O +wall O +precursor O +cycle O +, O +the O +exact O +mechanism O +of O +action O +of O +laspartomycin O +remains O +to O +be O +clarified O +[ O +269 O +] O +. O + +In O +the O +case O +of O +alpiniamide O +D O +, O +module O +2 O +is O +probably O +skipped O +entirely O +during O +the O +biosynthesis O +since O +it O +lacks O +the O +C-1 O +and O +C-2 O +part O +of O +the O +molecule O +. O + +The O +dehydrated O +precursor O +peptide O +to O +prochlorosin O +1.6 O +( O +Figure O +25 O +) O +also O +potentially O +contains O +this O +motif O +but O +the O +sites O +of O +dehydration O +, O +and O +its O +ring O +topology O +and O +stereochemistry O +, O +have O +not O +yet O +been O +determined O +. O + +Tobramycin O +is O +3′-deoxykanamycin O +B. O +The O +biosynthetic O +gene O +clusters O +were O +cloned O +from O +Streptoalloteichus O +tenebrarius O +and O +Streptoalloteichus O +hindustanus O +[ O +30,32,33 O +] O +( O +GB O +Nos. O +AJ579650 B-bgc-accession +, O +and O +AJ810851 B-bgc-accession +) O +. O + +Antiproliferative O +Activity O +OMS O +A O +was O +also O +reported O +to O +display O +cytotoxicity O +against O +human O +lung O +cancer O +A549 O +, O +colon O +cancer O +HCT116 O +, O +stomach O +cancer O +SNU638 O +, O +liver O +cancer O +SK-HEP-1 O +, O +and O +breast O +cancer O +MDA-MB-231 O +cell O +lines O +, O +which O +are O +major O +solid-cancer O +types O +, O +whereas O +it O +did O +not O +show O +antiproliferative O +effect O +against O +the O +normal O +lung O +fibroblast O +MRC-5 O +cell O +line O +[ O +1 O +] O +. O + +In O +addition O +the O +antB O +and O +antC O +promoters O +must O +be O +regulated O +by O +a O +transcription O +factor O +encoded O +outside O +of O +the O +ant O +gene O +cluster O +since O +they O +are O +upregulated O +at O +18 O +h O +relative O +to O +42 O +h O +growth O +. O + +Trioxacarcins O +( O +TXNs O +) O +are O +highly O +oxygenated O +, O +polycyclic O +aromatic O +natural O +products O +with O +remarkable O +biological O +activity O +and O +structural O +complexity O +. O + +Goettingen O +, O +P. O +thermopropionicum O +SI O +; O +Numbers O +represent O +the O +locus O +tag O +for O +each O +gene O +within O +the O +genome O +sequence O +of O +each O +organism O +. O + +The O +final O +module O +of O +AprL O +is O +highly O +unusual O +. O + +The O +genomic O +organization O +of O +the O +pam O +cluster O +revealed O +a O +size O +of O +∼60 O +O O +kb O +comprising O +five O +NRPS O +genes O +, O +two O +PKS O +genes O +, O +and O +two O +NRPS/PKS O +hybrid O +genes O +( O +gene O +locus O +tags O +ERIC2_c18040 O +– O +ERIC2 O +_ O +c180170 O +) O +( O +Fig.2 O +, O +Table O +S1 O +) O + +Within O +the O +actinomycin O +BGC O +in O +S. O +costaricanus O +SCSIO O +ZS0073 O +, O +we O +identified O +a O +cytochrome O +P450 O +gene O +, O +acnP O +, O +that O +encodes O +a O +436 O +aa O +protein O +. O + +It O +has O +an O +immunosuppressive O +activity O +and O +is O +a O +virulent O +factor O +of O +the O +human O +fungal O +pathogens O +. O + +These O +gene O +clusters O +are O +typically O +present O +in O +blocks O +of O +genes O +that O +appear O +to O +be O +integrated O +into O +specific O +sites O +in O +the O +P. O +syringae O +core O +genome O +. O + +This O +would O +probably O +increase O +the O +specificity O +of O +substrate O +recognition O +, O +as O +in O +the O +cases O +of O +SbzC O +and O +SbzI. O +Enzymes O +involved O +in O +biogenesis O +of O +sulfonamide O +To O +elucidate O +the O +biosynthesis O +of O +sulfonamide O +and O +the O +N O +– O +S O +bond-forming O +reaction O +, O +we O +tested O +the O +gene O +deletions O +of O +sbzF O +, O +H O +, O +J O +, O +and O +M O +– O +Q O +( O +Supplementary O +Table O +O O +1 O +) O + +Sactipeptides O +Sactipeptides O +or O +sactibiotics O +( O +sulphur O +to O +alpha-carbon O +antibiotic O +) O +are O +peptides O +in O +which O +a O +sulfur O +bridge O +is O +post-translationally O +formed O +between O +a O +cysteine O +residue O +and O +the O +α-carbon O +of O +another O +residue O +( O +Figure O +O O +5B O +& O +C O +) O +, O +in O +contrast O +to O +lanthipeptides O +where O +the O +sulfur O +bridge O +is O +installed O +via O +the O +β-carbon O +[ O +1 O +, O +34 O +] O + +The O +presumably O +nonenzymatic O +hydrolysis O +of O +N-terminal O +Dha O +or O +Dhb O +that O +occurs O +upon O +leader O +peptide O +proteolysis O +to O +afford O +N-terminal O +2-oxopropionyl O +and O +2-oxobutyryl O +groups O +, O +respectively O +, O +is O +seen O +in O +both O +class O +I O +and O +II O +lanthipeptides O +( O +e.g. O +, O +Pep5 O +and O +pinensin O +from O +class O +I;276 O +lichenicidin O +, O +lacticin O +3147 O +, O +and O +lactocin O +S O +from O +class O +II O +; O +Figures O +5 O +, O +23 O +, O +and O +40).410 O +In O +addition O +, O +disulfide O + +formation O +is O +observed O +in O +class O +II O +and O +class O +III O +, O +with O +examples O +in O +class O +II O +including O +haloduracin O +α O +and O +bovicin O +HJ50 O +( O +Figure O +21 O +) O +. O + +Half O +of O +the O +12 O +hybrid O +species O +investigated O +had O +EAS O +clusters O +, O +and O +each O +of O +three O +hybrid O +species O +, O +E. O +canadensis O +, O +N. O +coenophialum O +and O +FaTG-2 O +( O +G2 O +) O +, O +had O +EAS O +clusters O +from O +two O +different O +ancestors O +. O + +Perhaps O +the O +crosstalk O +between O +primary O +and O +secondary O +metabolisms O +provides O +a O +unique O +advantage O +for O +antibiotic-producing O +strains O +to O +balance O +the O +excess O +of O +nutrient O +substances O +and O +survive O +in O +harsh O +, O +nutrient-limited O +environments O +[ O +27,28 O +] O +. O + +In O +general O +, O +biosynthetic O +enzymes O +involved O +in O +lanthipeptide O +biosynthesis O +have O +been O +given O +the O +generic O +prefix O +Lan,152 O +with O +a O +more O +specific O +descriptor O +for O +specific O +compounds O +( O +e.g. O +, O +Nis O +for O +nisin O +, O +Lct O +for O +lacticin O +481 O +, O +Cin O +for O +cinnamycin O +) O +. O + +Natamycin O +is O +a O +polyene O +macrolide O +antifungal O +antibiotic O +. O + +At O +the O +left O +end O +of O +the O +cluster O +, O +a O +gene O +coding O +for O +an O +unknown O +protein O +( O +orf3 O +) O +and O +several O +others O +coding O +for O +regulatory O +proteins O +( O +orf1 O +, O +orf2 O +and O +arpRI O +) O +were O +located O +. O + +The O +fermentation O +broth O +, O +produced O +by O +double O +cross-over O +mutants O +, O +was O +extracted O +with O +ethyl O +acetate O +and O +analysed O +for O +the O +presence O +of O +filipin O +III O +( O +the O +major O +component O +of O +the O +filipin O +complex O +) O +. O + +The O +gene O +cluster O +for O +the O +biosynthesis O +of O +thienamycin O +is O +located O +in O +the O +plasmid O +of O +S. O +cattleya O +[ O +467,468 O +] O +( O +GB O +No. O +AJ421798 B-bgc-accession +) O +. O + +Most O +ORFs O +shown O +in O +blue O +have O +roles O +the O +synthesis O +and O +activation O +of O +phosphonoformate O +, O +an O +early O +intermediate O +. O + +Chemical O +and O +Enzymatic O +Synthesis O +of O +Capuramycin O +and O +Analogs O +Since O +the O +structural O +elucidation O +of O +capuramycin O +in O +1988 O +[ O +33 O +] O +, O +a O +few O +total O +syntheses O +have O +been O +independently O +reported O +. O + +The O +first O +three O +genes O +, O +wxoA O +( O +encodes O +a O +predicted O +epimerase O +) O +, O +wxoB O +and O +wxoC O +( O +both O +encode O +predicted O +glycosyl O +transferases O +) O +have O +been O +described O +earlier O +. O + +In O +contrast O +, O +E. O +glyceriae O +E277 O +, O +E. O +typhina O +E5819 O +, O +and O +the O +two O +E. O +festucae O +isolates O +lacked O +lpsC O +, O +consistent O +with O +the O +observation O +that O +E. O +festucae O +Fl1 O +produced O +an O +ergopeptine O +( O +ergovaline O +) O +but O +not O +EN O +or O +LAH O +. O + +For O +these O +78 O +cps O +, O +a O +total O +of O +1515 O +coding O +sequences O +were O +annotated O +, O +including O +galF O +( O +n O +O O += O +O O +79 O +) O +, O +cpsACP O +( O +n O +O O += O +O O +80 O +) O +, O +wzi O +( O +n O +O O += O +O O +78 O +) O +, O +wza O +( O +n O +O O += O +O O +81 O +) O +, O +wzb O +( O +n O +O O += O +O O +78 O +) O +, O +wzc O +( O +n O +O O += O +O O +78 O +) O +, O +gnd O +( O +n O +O O += O +O O +79 O +) O +, O +manB O +( O +n O +O O += O +O O +43 O + +rmlB O +( O +n O +O O += O +O O +29 O +) O +, O +rmlC O +( O +n O +O O += O +O O +30 O +) O +, O +rmlD O +( O +n O +O O += O +O O +30 O +) O +, O +wcaJ O +( O +n O +O O += O +O O +40 O +) O +, O +wbaP O +( O +n O +O O += O +O O +39 O +) O +, O +gmd O +( O +n O +O O += O +O O +6 O +) O +, O +wcaG O +( O +n O +O O += O +O O +6 O +) O +, O +glf O +( O +n O +O O += O +O O +5 O +) O +, O +wzx O +( O +n O +O O += O +O O +77 O +) O + +glycosyl O +hydrolase O +( O +n O +O O += O +O O +33 O +) O +, O +acetyltransferases O +( O +n O +O O += O +O O +35 O +) O +, O +pyruvyltransferases O +( O +n O +O O += O +O O +35 O +) O +, O +transposases O +( O +n O +O O += O +O O +21 O +) O +, O +nitroreductase O +( O +n O +O O += O +O O +2 O +) O +, O +potassium/proton O +antiporter O +( O +n O +O O += O +O O +2 O +) O +, O +tail O +fiber O +( O +n O +O O += O +O O + +4-epimerase O +( O +n O +O O += O +O O +1 O +) O +, O +carbohydrate O +lyase O +( O +n O +O O += O +O O +1 O +) O +, O +CMP-N-acetylneuraminic O +acid O +synthetase O +( O +n O +O O += O +O O +1 O +) O +, O +coenzyme O +F420 O +hydrogenase O +( O +n O +O O += O +O O +1 O +) O +and O +hypothetical O +proteins O +( O +n O +O O + +However O +, O +the O +predicted O +substrate O +specificity O +of O +AT0 O +in O +the O +loading O +module O +is O +methylmalonyl-CoA O +instead O +of O +malonyl-CoA. O +Interestingly O +, O +the O +rdm O +cluster O +contains O +a O +five-gene O +regulation O +system O +RdmACDEF O +, O +which O +is O +different O +from O +other O +reported O +polyene O +gene O +clusters O +. O + +Fosfomycin O +has O +a O +unique O +chemical O +structure O +, O +containing O +a O +carbon-phosphorus O +and O +an O +epoxide O +. O + +Insertion O +of O +IS10 O +occurred O +after O +nucleotide O +12871 O +of O +GenBank O +accession O +number O +HQ172897 B-bgc-accession +and O +resulted O +in O +the O +duplication O +of O +residues O +12863 O +to O +12871 O +. O + +In O +U. O +maydis O +, O +localization O +studies O +using O +fluorescently O +labeled O +siderophore O +analogs O +suggests O +ferrichrome O +A O +may O +function O +as O +both O +an O +extracellular O +and O +intracellular O +siderophore O +for O +iron O +scavenging O +and O +storage O +respectively O +[ O +43 O +] O +. O + +A O +second O +series O +of O +vectors O +was O +therefore O +constructed O +exploiting O +the O +adenine O +auxotrophy O +of O +A. O +oryzae O +NSAR1 O +and O +which O +contained O +combinations O +of O +str10 O +, O +str8 O +and O +str11 O +, O +which O +encode O +a O +CoA O +ligase O +, O +a O +non-haem O +iron O +oxygenase O +and O +a O +PAL O +respectively O +( O +see O +O O +Supplementary O +Methods O +) O + +Specifically O +, O +an O +extra O +dioxygenase O +( O +sxtdiox O +, O +present O +in O +R. O +brookii O +) O +, O +two O +additional O +sulfotransferases O +( O +sxtN2 O +and O +sxtSUL O +( O +present O +in O +R. O +brookii O +) O +, O +two O +additional O +exporters O +( O +sxtM1 O +and O +sxtM2 O +) O +, O +and O +a O +novel O +acyl O +transferase O +( O +sxtACT O +) O +define O +the O +L. O +wollei O +pathway O +. O + +Antimicrobial O +activity O +was O +quantified O +by O +measuring O +the O +diameter O +of O +the O +inhibition O +halo O +( O +mm O +) O +, O +considering O +as O +positive O +results O +only O +diameters O +higher O +than O +3 O +mm O +. O + +To O +date O +, O +characterized O +labionin-containing O +lanthipeptides O +are O +the O +labyrinthopeptide O +[ O +21 O +] O +, O +erythreapeptin O +[ O +26 O +] O +, O +avermipeptin O +[ O +26 O +] O +, O +griseopeptin O +[ O +26 O +] O +, O +catenulipeptin O +[ O +27 O +] O +and O +NAI112 O +[ O +23 O +] O +. O + +Thus O +, O +polyketide O +compounds O +are O +discussed O +at O +first O +, O +focusing O +mainly O +on O +their O +self-resistance O +to O +phycotoxins O +. O + +Introduction O +Saxitoxin O +and O +its O +derivatives O +, O +collectively O +termed O +paralytic O +shellfish O +toxins O +( O +PST O +) O +, O +are O +a O +group O +of O +low O +molecular O +weight O +, O +highly O +potent O +neurotoxic O +alkaloids O +which O +inhibit O +nerve O +conduction O +and O +muscle O +contraction O +by O +selectively O +binding O +and O +blocking O +of O +sodium O +channels O +. O + +Their O +respective O +overlapping O +glycosyltransferase O +genes O +( O +XALc_0365 O +and O +XALc_1144 O +) O +share O +62 O +% O +amino O +acid O +similarity O +( O +Additional O +file O +3 O +) O +. O + +Two O +putative O +polyketide O +cyclases O +, O +RubE5 O +and O +RubE6 O +, O +are O +also O +found O +within O +the O +rub O +gene O +cluster O +and O +share O +high O +sequence O +similarity O +with O +the O +cyclase/dehydratase O +protein O +ZhuJ O +( O +69 O +% O +identity O +) O +and O +cyclase O +ZhuI O +( O +79 O +% O +identity O +) O +, O +respectively25 O +. O + +Two O +separate O +clusters O +are O +clearly O +distinguished O +( O +Fig O +4 O +) O +: O +the O +sxt O +gene O +cluster O +of O +Norwegian O +strain O +NIVA-CYA O +851 O +is O +most O +closely O +related O +to O +A. O +gracile O +strain O +NH-5 O +, O +and O +both O +cluster O +together O +with O +German O +strain O +NIVA-CYA O +655 O +. O + +Furthermore O +, O +proteins O +important O +for O +secretion O +are O +also O +located O +within O +several O +of O +the O +gene O +clusters O +( O +Figure O +O O +8A).Table O +7 O +Detected O +putative O +NHLP/Niff11-like O +gene O +cluster O +PhylumPrecursor O +(Leader O +: O +Core)+ O +Gene O +tag O +of O +precursor O +peptidesReference O +# O +Eggerthellalenta O +VPI O +0255Actinobacteria121 O +( O +71:50 O +) O +Elen_2949 O +122 O +( O +71:51 O +) O +Elen_2953 O +130 O +( O +71:59 O +) O +Elen_2954 O +Desulfarculusbaarsii O +2st14 O +, O + +2075δ- O +Proteobacteria111 O +( O +71:40 O +) O +Deba_2490 O +Syntrophomonas O +wolfei O +subsp O +. O + +As O +shown O +in O +Fig. O +3 O +, O +the O +recombinant O +S. O +avermitilis O +gained O +the O +ability O +to O +produce O +Tü O +3010 O +at O +levels O +comparable O +to O +those O +produced O +by O +S. O +thiolactonus O +NRRL O +15439 O +, O +clearly O +demonstrating O +that O +thiotetronate O +biosynthesis O +relies O +on O +hijacking O +of O +a O +sulfur O +supply O +mechanism O +from O +primary O +metabolism O +. O + +Moreover O +, O +the O +involvement O +of O +the O +M13 O +DH O +domain O +( O +GonP5 O +) O +in O +the O +polyketide O +biosynthesis O +is O +unlikely O +due O +to O +the O +lack O +of O +a O +KR O +domain O +in O +this O +module O +catalyzing O +a O +previous O +ketoreduction O +reaction O +. O + +Similar O +type O +of O +gene O +clusters O +are O +found O +in O +biosyntheses O +of O +microcins O +that O +are O +produced O +by O +Gram-negative O +bacteria O +[ O +126 O +] O +, O +bacteriocins O +in O +Gram-positive O +bacteria O +[ O +127 O +] O +, O +microviridin O +in O +cyanobacteria O +[ O +128 O +] O +, O +and O +goadsporin O +in O +Streptomyces O +[ O +129 O +] O +. O + +Finally O +, O +a O +α-humulene/β-caryophyllene O +synthase O +( O +SoHUMS O +) O +gene O +showed O +the O +highest O +expression O +levels O +in O +stems O +, O +followed O +by O +young O +leaves O +, O +old O +leaves O +, O +bud O +flowers O +and O +flowers O +. O + +Results O +Predicting O +the O +atc O +biosynthetic O +gene O +cluster O +in O +a O +different O +organism O +The O +published O +atc O +biosynthetic O +gene O +cluster O +in O +Streptomyces O +sp. O +T676 O +comprises O +nine O +genes/proteins O +( O +AtcA-AtcI O +, O +accession O +no. O +LN871452 B-bgc-accession +) O +, O +where O +four O +of O +them O +( O +AtcC-AtcF O +) O +have O +been O +proposed O +to O +be O +functionally O +involved O +in O +the O +generation O +of O +anthracimycin O +. O + +Acetyltransferase O +activity O +was O +reported O +to O +be O +involved O +in O +the O +self-resistance O +in O +kasugamycin-producing O +S. O +kasugaensis O +[ O +65 O +] O +. O + +TRI8 O +Alexander O +et O +al. O +[ O +42 O +] O +reported O +that O +, O +in O +Fusarium O +, O +3-ADON O +and O +15-ADON O +are O +important O +chemotypes O +that O +differ O +at O +the O +intra-specific O +and O +inter-specific O +levels O +and O +confirmed O +the O +genetic O +basis O +for O +this O +difference O +in O +chemotype O +based O +on O +TRI8-specific O +primers O +for O +genotype O +characterization O +of O +F. O +graminearum O +. O + +Gene O +acmE O +located O +between O +acmD O +and O +acmF O +whose O +translated O +product O +weakly O +resemble O +an O +aminopeptidase O +from O +Xanthomonas O +campestris O +( O +accession O +number O +BAA11623 B-bgc-accession +, O +20 O +% O +identity O +) O +which O +have O +been O +demonstrated O +in O +vitro O +to O +catalyse O +a O +hydrolysis O +reaction O +of O +ascamycin O +to O +dealanylascamycin O +causing O +the O +host O +to O +become O +susceptible O +to O +ascamycin O +[ O +36 O +] O +. O + +Also O +, O +the O +type O +F7 O +toxin O +gene O +cluster O +lacked O +a O +botR O +regulatory O +gene O +, O +as O +is O +the O +case O +with O +the O +nonproteolytic O +C. O +botulinum O +type O +E O +, O +nonproteolytic O +C. O +butyricum O +type O +E O +and O +nonproteolytic O +C. O +botulinum O +type O +F6 O +toxin O +gene O +clusters O +[ O +8 O +] O +, O +[ O +16 O +] O +, O +[ O +32 O +] O +. O + +We O +investigated O +the O +occurrence O +of O +type O +III O +pks O +genes O +in O +Mmar O +. O + +Furthermore O +, O +three O +ABC O +transporter O +genes O +are O +present O +, O +adjacent O +to O +the O +tleABC O +genes O +. O + +Proposed O +Function O +A-500359 O +A-503083 O +A-102395 O +Fe(II)- O +and O +αKG-dependent O +dioxygenase O +orf7 O +capD O +cpr18 O +Capuramycin-2′-O-carbamoyltransferase O +orf8 O +capB O +NA O +Putative O +3-ketoreductase O +orf9 O +capC O +cpr20 O +Fe(II)-dependent O +, O +αKG O +: O +UMP O +dioxygenase O +orf10 O +capA O +cpr19 O +Putative O +2,3-dehydratase O + +orf11 O +capE O +cpr21 O +Putative O +4-epimerase O +orf12 O +capF O +cpr22 O +PLP-dependent O +monooxygenase-decarboxylase O +orf12 O +’ O +cap15 O +cpr23 O +Putative O +glycosyl O +transferase O +orf13 O +capG O +cpr24 O +l-Thr O +: O +uridine-5′-aldehyde O +transaldolase O +orf14 O +capH O +cpr25 O +Putative O +pyrophosphatase O +orf15 O +capI O +cpr26 O +Putative O +CO O +dehydrogenase O +orf16 O +capJ O + +cpr28 O +Putative O +O-methyltransferase O +orf16 O +’ O +capK O +cpr29 O +Putative O +CO O +dehydrogenase O +orf17 O +capL O +cpr30 O +Putative O +CO O +dehydrogenase O +orf18 O +capM O +cpr31 O +Putative O +ABC O +transporter O +orf19 O +capN O +NA O +Putative O +ABC O +transporter O +orf20 O +capO O +NA O +Capuramycin O +3′′-phosphotransferase O +orf21 O +capP O +cpr17 O +UDP-glucose-4,6-dehydratase O +orf22 O + +capQ O +NA O +Glucose-1-phosphate O +thymidylyltransferase O +orf23 O +capR O +NA O +Putative O +carboxyl O +methyltransferase O +orf24 O +capS O +cpr27 O +Putative O +l-ACL O +C-methyltransferase O +orf25 O +capT O +NA O +Nonribosomal O +peptide O +synthetase O +orf26 O +capU O +NA O +Nonribosomal O +peptide O +synthetase O +orf27 O +capV O +NA O +Transacylase O +orf28 O +capW O +cpr51 O +Antimycobacterial O +activities O +of O +several O +capuramycin O +analogs O +prepared O +through O + +semisynthesis O +. O + +Our O +findings O +suggest O +that O +Pse O +biosynthesis O +in O +T. O +forsythia O +ATCC O +43037 O +follows O +essentially O +the O +same O +biosynthetic O +route O +as O +in O +C. O +jejuni O +and O +H. O +pylori O +( O +Schoenhofen O +et O +al. O +2006b O +) O +. O + +To O +increase O +sensitivity O +, O +we O +adopted O +a O +liquid O +phase O +hemolysis O +assay O +. O + +Besides O +its O +inhibitory O +effect O +against O +cancer O +cell O +growth O +, O +the O +anti-metastatic O +activity O +of O +compound O +4 O +against O +AGS O +gastric O +cancer O +cell O +line O +was O +also O +determined O +through O +migration O +and O +invasion O +assays O +. O + +Regulation O +of O +antimycin O +biosynthesis O +by O +the O +orphan O +ECF O +RNA O +polymerase O +sigma O +factor O +σAntA O +Antimycins O +are O +an O +extended O +family O +of O +depsipeptides O +that O +are O +made O +by O +filamentous O +actinomycete O +bacteria O +and O +were O +first O +isolated O +more O +than O +60 O +years O +ago O +. O + +Most O +of O +the O +epichloae O +had O +approximately O +11 O +Mb O +of O +coding O +sequence O +, O +with O +the O +exception O +of O +E. O +glyceriae O +E277 O +, O +which O +had O +14.9 O +Mb O +of O +coding O +sequence O +. O + +Chlorothricin O +is O +a O +medium-sized O +spirotetronate O +class O +antibiotic O +, O +and O +inhibits O +pyruvate O +carboxylases O +from O +rat O +liver O +and O +Azotobacter O +vinelandii O +and O +cholesterol O +biosynthesis O +. O + +LangelandFirmicutes O +CLI_0567 O +clostridiolysin O +S O +Thermoanaerobacter O +mathranii O +mathranii O +A3 O +, O +DSM O +11426Firmicutes O +Tmath_0475 O +* O +* O + +M. O +smegmatis O +M. O +abscessus O +M. O +chelonae O +Gene O +Gene O +n O +° O +Proposed O +function(a O +) O +Gene O +n O +° O +% O +( O +b O +) O +Gene O +n O +° O +% O +( O +b O +) O +O O +mmpS4 O +MSMEG0373 O +Membrane O +associated O + +The O +polymyxin O +biosynthetic O +gene O +cluster O +was O +cloned O +from O +P. O +polymyxa O +and O +characterized O +[ O +316 O +] O +. O + +Fortimicin O +( O +astromicin O +) O +is O +an O +aminoglycoside O +antibiotic O +that O +is O +produced O +by O +Micromonospora O +olivasterospora O +, O +and O +fmrO O +encoding O +16S O +rRNA O +methyltransferase O +, O +plays O +a O +role O +in O +self-resistance O +[ O +396 O +] O +. O + +Results O +Screening O +of O +a O +cosmid O +library O +of O +S. O +griseus O +genomic O +DNA O +As O +screening O +probes O +, O +the O +DNA O +fragments O +of O +KS O +, O +ALS O +and O +FkbH-like O +protein O +were O +firstly O +amplified O +from O +S. O +griseus O +DSM O +2608 O +chromosomal O +DNA O +. O + +RSK2980 O +] O +Sequence O +ID O +: O +ref|YP_001569863.1| O +67/81 O +11 O +wbuC O +12380:12877 O +165 O +unknown O +conserved O +LPS O +biosynthetic O +protein O +[ O +Salmonella O +enterica O +subsp O +. O + +The O +species O +include O +Y. O +pseudotuberculosis/Y. O +pestis O +, O +Y. O +similis O +( O +Sprague O +et O +O O +al. O +2008 O +) O +and O +the O +newly O +characterised O +Y. O +wautersii O +( O +previously O +referred O +to O +as O +the O +‘ O +Korean O +group O +’ O +) O +that O +is O +proposed O +to O +have O +pathogenic O +potential O +( O +Savin O +et O +O O +al. O +2014 O + +These O +findings O +are O +not O +only O +of O +significance O +in O +elucidating O +and O +understanding O +host O +– O +pathogen O +interactions O +but O +also O +within O +the O +context O +of O +the O +quest O +for O +new O +compounds O +with O +antibiotic O +activity O +for O +drug O +development O +. O + +At O +the O +right O +end O +of O +the O +gene O +cluster O +, O +a O +protein O +encoded O +by O +notR O +showed O +38 O +% O +sequence O +identity O +to O +the O +AflJ O +aflatoxin O +pathway O +transcriptional O +co-activator10 O +. O + +We O +have O +identified O +novel O +clusters O +, O +both O +with O +single O +and O +two O +LanM O +determinants O +, O +in O +four O +representatives O +of O +Streptomyces O +( O +Fig. O +2 O +) O +, O +which O +are O +discussed O +here O +. O + +Relaxed O +fatty O +acid O +specificity O +during O +lipoinitiation O +by O +XtlA O +( O +acylation O +with O +3-hydroxydodec-5-enoate O +instead O +of O +3-hydroxydecanoate O +) O +and O +for O +incorporation O +of O +the O +ultimate O +amino O +acid O +by O +XtlC O +( O +valine O +instead O +of O +isoleucine O +) O +account O +for O +the O +production O +of O +the O +minor O +structural O +variants O +xantholysin O +C O +and O +B O +, O +respectively O +. O + +From O +this O +point O +, O +it O +is O +intriguing O +to O +consider O +that O +pya22 O +, O +pya23 O +and O +pya24 O +may O +encode O +another O +set O +of O +standalone O +NRPS O +domains O +, O +which O +are O +specifically O +involved O +in O +the O +biosynthesis O +of O +the O +formyl O +group O +containing O +pyrrolamides O +such O +as O +2 O +and O +3 O +. O + +While O +Brevibacterium O +, O +Bacillus O +and O +Pelagibacter O +were O +known O +as O +marine O +phenazine O +producers O +[ O +36–38 O +] O +, O +this O +is O +the O +first O +time O +that O +representatives O +of O +the O +genera O +Micromonospora O +, O +Kiloniella O +and O +Pseudovibrio O +were O +identified O +as O +marine O +phenazine O +producers O +as O +well O +. O + +Results O +A O +region O +of O +13,778 O +base O +pairs O +of O +DNA O +from O +the O +S. O +filipinensis O +genome O +was O +isolated O +, O +sequenced O +, O +and O +characterized O +. O + +C)amb O +gene O +cluster O +from O +Fischerella O +ambigua O +UTEX O +1903 O +[ O +7 O +] O +. O + +[ O +Streptomyces O +sp. O +275]100 O +% O +srcmRII O +PadR O +family O +transcriptional O +regulator186CmmRII O +[ O +Streptomyces O +griseus O +subsp O +. O + +inebrians O +E818 O +was O +arranged O +similarly O +to O +that O +of O +P. O +ipomoeae O +and O +the O +Claviceps O +species O +, O +it O +was O +broken O +into O +two O +clusters O +, O +one O +of O +which O +ended O +in O +a O +telomere O +located O +one O +bp O +from O +the O +cloA O +stop O +codon O +. O + +Cultures O +of O +all O +eight O +available O +isolates O +of O +six O +Metarhizium O +species O +, O +but O +not O +of O +M. O +album O +, O +produced O +detectable O +levels O +of O +swainsonine O +( O +Table O +S1 O +in O +File O +S1 O +) O +, O +showing O +a O +strong O +correlation O +of O +SWN O +cluster O +presence O +and O +swainsonine O +production O +. O + +– O +– O +II O +– O +– O +– O +– O +idtJ O + +Another O +ORF O +( O +nocP O +) O +was O +annotated O +as O +a O +simple O +PKS O +gene O +. O + +If O +the O +proposed O +pathway O +( O +intramolecular O +hydroalkoxylation O +at O +C-8 O +) O +proceeds O +enzymatically O +( O +catalyzed O +by O +MarG O +) O +, O +then O +the O +premarineosin O +A O +( O +9 O +) O +might O +be O +the O +intermediate O +of O +marineosins O +A O +and O +B. O +It O +is O +noteworthy O +that O +the O +premarineosin O +B O +( O +11 O +) O +most O +likely O +arises O +from O +an O +inversion O +of O +the O +aminal O +nitrogen O +of O +premarineosin O +A O +( O +9 O +) O +under O +pathway O +conditions O +where O +the O +two O +isomers O +differ O +only O +in O +stereochemistry O +at O +the O +spiro O +aminal O +carbon O +( O +C-8 O +) O +. O + +These O +results O +confirm O +that O +TalE O +catalyzes O +the O +second O +step O +in O +the O +biosynthesis O +of O +1 O +and O +2 O +using O +the O +TalD O +product O +4 O +and O +ATP O +as O +substrates O +to O +form O +5 O +. O + +A O +likely O +product O +from O +cluster O +5 O +was O +predicted O +as O +ectoine O +, O +its O +BGC O +has O +high O +similarity O +with O +its O +counterpart O +in O +Streptomyces O +anulatus O +. O + +Polyketides O +are O +biosynthesized O +via O +the O +sequential O +condensations O +of O +small O +carboxylic O +acid O +subunits O +with O +an O +acyl O +starter O +in O +a O +fashion O +that O +is O +reminiscent O +of O +fatty O +acid O +biosynthesis O +. O + +Among O +them O +, O +six O +genes O +, O +fusA O +, O +fusB2 O +, O +fusB3 O +, O +fusB4 O +, O +fusC2 O +and O +fusD O +encode O +proteins O +with O +high O +sequence O +similarity O +( O +37%-65 O +% O +identity O +) O +to O +those O +encoded O +by O +helA O +, O +helB2 O +, O +helB4 O +, O +helB1 O +, O +helC O +and O +helD2 O +in O +the O +gene O +cluster O +of O +helvolic O +acid O +. O + +Restoration O +of O +antifungal O +production O +close O +to O +wild O +type O +levels O +indicates O +that O +control O +of O +filipin O +production O +by O +phosphate O +is O +mediated O +by O +PhoRP O +in O +S. O +filipinensis O +. O + +In O +addition O +to O +revealing O +plausible O +candidates O +for O +the O +biosynthetic O +gene O +clusters O +for O +thiotetronates O +( O +1 O +) O +and O +( O +4 O +) O +, O +a O +search O +of O +published O +genome O +sequences O +using O +the O +bioinformatics O +tool O +antiSMASH3 O +revealed O +a O +gene O +cluster O +similar O +to O +that O +for O +TLM O +in O +the O +fully-sequenced O +genome O +of O +Streptomyces O +cattleya O +NRRL O +8057 O +(SCAT5757-SCAT5761).45 O +Manual O +BLAST O +searching O +uncovered O +a O +further O +two O +Tü O +3010-like O +gene O +clusters O +in O +, O +respectively O +, O +Streptomyces O +afghanensis O +277 O +( O +NCBI O + +identifiers O +EPJ35918 B-bgc-accession +to O +EPJ34243 B-bgc-accession +) O +and O +Streptomyces O +incarnatus O +NRRL O +8089 O +( O +NCBI O +identifiers O +ABB07_06605 O +to O +ABB07_06685 O +) O +. O + +In O +this O +test O +, O +S. O +salivarius O +G32 O +and O +S. O +dysgalactiae O +61 O +both O +gave O +P-type O +436 O +inhibitory O +profiles O +identical O +to O +that O +of O +S. O +pyogenes O +FF22 O +( O +Table O +1 O +) O +. O + +hydrophila O +ATCC O +7966 O +100 O +YP_857391 B-bgc-accession +ORF10 O +10651 O +.. O +11673 O +RimK-like O +protein O +rimK O +Aeromonas O +hydrophila O +subsp O +. O + +Enediyne O +Antitumor O +Antibiotics O +The O +enediyne O +antitumor O +antibiotics O +are O +a O +growing O +family O +of O +natural O +products O +with O +novel O +molecular O +architecture O +with O +triple O +bonds O +, O +and O +unique O +biological O +activity O +. O + +A O +set O +of O +eight O +genes O +, O +designated O +lomo1–8 O +, O +were O +most O +likely O +to O +code O +for O +enzymes O +relating O +to O +the O +shikimate O +pathway O +[ O +2 O +] O +. O + +It O +is O +tempting O +to O +speculate O +that O +they O +may O +be O +involved O +in O +the O +formation O +of O +the O +N-oxide O +group O +found O +in O +JBIR-46 O +and O +JBIR-48 O +, O +but O +so O +far O +there O +is O +no O +direct O +evidence O +to O +support O +this O +speculation O +. O + +A. O +circinalis O +AWQC131C O +PST O +biosynthesis O +gene O +cluster O +is O +available O +under O +accession O +number O +DQ787201 B-bgc-accession +. O + +and O +Aspergillus O +spp O +. O + +The O +results O +revealed O +that O +only O +the O +addition O +of O +the O +ferric O +iron O +salt O +FeCl3 O +( O +as O +well O +as O +the O +addition O +of O +ferrous O +iron O +FeSO4 O +; O +data O +not O +shown O +) O +triggered O +production O +of O +the O +green O +pigmented O +ferroverdin O +A O +by O +S. O +lunaelactis O +MM109 O +T O +( O +Fig. O +O O +2A O +) O + +In O +addition O +to O +structural O +or O +defensive O +roles O +during O +fungal O +disease O +, O +recent O +work O +in O +M. O +fijiensis O +demonstrated O +that O +DHN-melanin O +generates O +highly O +reactive O +oxygen O +species O +that O +may O +facilitate O +host O +cell O +death O +[ O +53 O +] O +. O + +The O +biosynthetic O +gene O +cluster O +was O +cloned O +from O +Saccharothrix O +( O +Lechevalieria O +) O +aerocolonigenes O +[ O +380,381 O +] O +. O + +It O +should O +be O +noted O +that O +AviCys O +residues O +are O +also O +observed O +in O +two O +other O +classes O +of O +RiPP O +natural O +products O +, O +namely O +linaridins297,298 O +and O +thioviridamides.299 O +Although O +linaridins O +such O +as O +cypemycin297 O +and O +grisemycin298 O +contain O +the O +dehydro O +amino O +acid O +Dhb O +, O +the O +biosynthetic O +gene O +clusters O +for O +these O +molecules O +do O +not O +encode O +obvious O +homologues O +of O +either O +the O +lanthipeptide O +dehydratase O +that O +is O +necessary O +for O +installation O +of O +the O +Dha/Dhb O +or O +the O +lanthipeptide O + +cyclase O +implicated O +in O +AviCys O +formation O +. O + +jejuni O +legI O +(Cj1327)56391Legionaminic O +acid O +synthaseSchoenhofen O +et O +al. O +(2009)BFO_1063C O +. O + +These O +results O +confirm O +that O +non-identical O +parts O +of O +the O +puwainaphycin O +variants O +are O +situated O +in O +the O +unusual O +FA O +aliphatic O +chain O +whereas O +the O +remaining O +part O +of O +the O +molecule O +is O +identical O +for O +all O +the O +puwainaphycin O +analogs O +, O +based O +on O +the O +PUW-F/PUW-G O +structures O +. O + +The O +NRPS O +OhmA O +encodes O +12 O +modules O +containing O +the O +entire O +41 O +domains O +. O + +The O +lipotetradecadepsipeptides O +are O +assembled O +by O +XtlA O +, O +XtlB O +and O +XtlC O +, O +three O +co-linearly O +operating O +non-ribosomal O +peptide O +synthetases O +( O +NRPSs O +) O +displaying O +similarity O +in O +modular O +architecture O +with O +the O +entolysin-producing O +enzymes O +of O +the O +entomopathogenic O +Pseudomonas O +entomophila O +L48 O +. O + +Considering O +the O +puwainaphycin O +F/G O +variants O +reported O +in O +this O +study O +, O +the O +A-domain O +appears O +to O +accept O +both O +asparagine O +and O +glutamine O +as O +a O +substrate O +at O +a O +defined O +rate O +, O +as O +further O +demonstrated O +by O +MS O +measurements O +. O + +Antibiotic O +production O +in O +S. O +natalensis O +, O +S. O +lividans O +and O +S. O +lydicus O +ΔphoP O +mutants O +is O +also O +sensitive O +to O +high O +Pi O +concentrations O +[ O +22,33,34 O +] O +, O +thus O +it O +seems O +likely O +that O +a O +yet O +unidentified O +PhoP-independent O +mechanism O +blocks O +antibiotic O +biosynthesis O +under O +excess O +phosphate O +conditions O +. O + +We O +believe O +SMA2293-SMA2288 O +( O +alb1–alb6 O +) O +form O +a O +single O +operon O +since O +alb1–alb2 O +are O +co-transcribed O +( O +Figure O +2B O +) O +, O +there O +is O +less O +than O +5 O +bp O +between O +alb2–3 O +and O +alb4–5 O +, O +and O +translational O +coupling O +is O +observed O +between O +alb3–alb4 O +( O +see O +below O +) O +. O + +Cluster O +boundaries O +analysis O +On O +the O +cluster O +left O +side O +, O +genes O +gonMR O +, O +gonL1 O +, O +gonL2 O +and O +gonL3 O +were O +presumed O +to O +code O +for O +pathway-specific O +regulators O +for O +PM100117/18 O +biosynthesis O +, O +and O +orf9 O +, O +which O +codes O +for O +a O +putative O +dioxygenase O +, O +was O +a O +candidate O +gene O +to O +accomplish O +polyketide O +post-PKS O +oxygenations O +. O + +Putative O +epipolythiodioxopiperazine O +biosynthetic O +gene O +cluster O +Cluster O +9 O +contains O +a O +total O +of O +19 O +predicted O +genes O +, O +including O +a O +NRPS O +, O +and O +was O +highly O +comparable O +to O +epipolythiodioxopiperazine O +( O +ETP O +) O +biosynthetic O +clusters O +from O +numerous O +fungi O +. O + +Notably O +, O +CurKC O +is O +encoded O +in O +the O +genome O +of O +the O +thermophile O +Thermomonospora O +curvata,131 O +which O +may O +provide O +improved O +thermostability O +of O +both O +the O +final O +product O +and O +the O +biosynthetic O +enzymes O +as O +seen O +for O +the O +class O +II O +lanthipeptide O +geobacilin O +II.394,486 O +Dehydration O +via O +Phosphorylation O +Although O +RamC O +was O +the O +first O +discovered O +class O +III O +lanthipeptide O +synthetase O +, O +the O +extreme O +insolubility O +of O +its O +substrate O +RamS O +precluded O +any O +in O +vitro O +studies O +. O + +idtK O +– O +– O +II O +, O +V O +– O +II O +II O +– O +idtE O + +For O +Pseudanabaena O +sp. O +dqh15 O +, O +total O +ion O +chromatography O +and O +mass O +spectrum O +revealed O +that O +the O +compound O +peak O +with O +a O +retention O +time O +of O +11.64 O +min O +was O +the O +main O +odorous O +component O +, O +and O +this O +corresponded O +to O +2-MIB O +( O +Figure O +2 O +) O +. O + +99–100%/N O += O +4 O +600 O +87–100 O +% O +97–100 O +% O +TRI13 O +cytochrome O +P450 O +monooxygenase O +1010 O +; O +1060 O +92–100%/N O += O +13 O +99–100%/N O += O +4 O +315 O +76–100 O +% O +98–100 O +% O +TRI14 O +unknown O +658 O +; O +660 O +75–100%/N O += O +41 O +97–100%/N O += O +4 O +; O +11 O +; O +8 O +202 O +89–100 O +% O +99–100 O +% O +TRI16 O +acyl O +transferase O +1143 O +90–100%/N O += O +8 O +99–100%/N O += O +4 O + +381 O +60–100 O +% O +99–100 O +% O +TRI101 O +acetyl O +transferase O +925 O +; O +1244 O +96–100%/N O += O +17 O +; O +33 O +99–100%/N O += O +11 O +; O +8 O +; O +6 O +444 O +79–100 O +% O +99–100 O +% O +TRI1 O +cytochrome O +P450 O +monooxygenase O +664 O +; O +1755 O +94–100%/N O += O +8 O +99–100%/N O += O +100 O +512 O +85–100 O +% O +98–100 O +% O +Commonly O +used O +primers O +designed O +against O +specific O +target O +genes O +of O +the O +TRI O +gene O +cluster O +for O +Fusarium O +. O + +carnosum O +Ta11a O +, O +the O +amino O +acid O +sequence O +of O +which O +will O +be O +called O +leucocin O +B-Ta11a O +below O +] O +. O + +Similarly O +, O +the O +transcription O +of O +remaining O +genes O +of O +the O +cluster O +was O +also O +affected O +negatively O +, O +including O +the O +three O +regulatory O +genes O +filR O +, O +filF O +and O +filI O +( O +Fig O +3 O +) O +. O + +For O +M1152/pEVK13 O +( O +kyaR1 O +only O +) O +, O +we O +observed O +a O +zone O +of O +inhibition O +which O +was O +approximately O +three O +times O +smaller O +than O +for O +the O +M1152/pEVK6 O +( O +kyaR1L O +) O +positive O +control O +. O + +We O +propose O +that O +the O +glucose-1-phosphate O +thymidylyltransferase O +(RubS5)32 O +and O +dTDP-glucose O +4,6-dehydratase O +(RubS4)33 O +sequentially O +transform O +glucose-1-phosphate O +( O +9 O +) O +to O +dTDP-4-keto-6-deoxy-D-glucose O +( O +9b O +) O +via O +dTDP-D-glucose O +( O +9a O +) O +, O +followed O +by O +RubS3-catalysed O +ketoreduction O +to O +dTDP-D-fucose O +( O +9c O +) O +( O + +Fig. O +3c)34 O +. O + +Introduction O +Phenazines O +are O +important O +microbial O +secondary O +metabolites O +. O + +Lane O +1 O +, O +DNA O +molecular O +weight O +markers O +; O +lanes O +2 O +and O +4 O +, O +S. O +suis O +3908 O +; O +lanes O +3 O +and O +5 O +, O +S. O +suis O +94–623 O +; O +lanes O +2 O +and O +3 O +, O +sslA O +gene O +; O +lanes O +4 O +and O +5 O +, O +gdh O +gene O +. O + +The O +biosynthetic O +gene O +cluster O +was O +cloned O +as O +90 O +kb O +DNA O +fragment O +[ O +54,55 O +] O +( O +GB O +No. O +AJ862840 B-bgc-accession +) O +. O + +The O +fourth O +gene O +is O +wxoD O +and O +encodes O +a O +predicted O +327 O +amino O +acids O +long O +protein O +. O + +The O +cmrA O +and O +cmrB O +genes O +encode O +the O +ABC O +transporters O +, O +and O +cmrX O +encodes O +an O +UvrA-like O +UV O +repair O +nuclease O +. O + +It O +has O +hepatoxic O +and O +neurotoxic O +effects O +and O +is O +a O +potential O +carcinogen O +. O + +Knockdown O +of O +ctcS O +altered O +the O +transcription O +of O +several O +biosynthesis-related O +genes O +and O +reduced O +the O +production O +of O +tetracycline O +( O +TC O +) O +and O +CTC O +, O +without O +obvious O +effect O +on O +morphological O +differentiation O +and O +cell O +growth O +. O + +Only O +a O +fragmented O +part O +of O +this O +gene O +is O +present O +in O +the O +A. O +circinalis O +AWQC131C O +sxt O +gene O +cluster O +, O +while O +sxtV O +in O +the O +Aph O +. O + +Their O +clinical O +use O +is O +limited O +by O +their O +toxicity O +. O + +As O +expected O +, O +we O +retrieved O +the O +four O +Streptomyces O +strains O +discussed O +above O +first O +but O +, O +in O +addition O +, O +we O +found O +sequence O +equivalents O +for O +all O +41 O +functional O +domains O +for O +AtcC-AtcF O +in O +the O +genome O +of O +Nocardiopsis O +kunsanensis O +, O +a O +species O +belonging O +to O +the O +same O +taxonomic O +class O +( O +Actinobacteria O +) O +but O +in O +a O +different O +order O +( O +Streptosporangiales O +) O +compared O +to O +Streptomyces O +( O +Supplementary O +Table O +S1 O +) O +. O + +This O +modification O +has O +only O +been O +found O +in O +the O +19-amino O +acid O +globular O +lanthipeptide O +actagardine O +( O +also O +known O +as O +gardimycin)452 O +and O +Ala(0)-actagardine O +, O +which O +differs O +from O +actagardine O +by O +a O +single O +additional O +Ala O +residue O +at O +the O +N-terminus O +( O +Figure O +42).453 O +The O +structure O +of O +actagardine O +was O +determined O +by O +a O +combination O +of O +Edman O +sequencing O +, O +MS O +, O +and O +NMR O +analysis,454−456 O +revealing O +that O +oxidation O +occurs O +site-selectivity O +in O +the O +D-ring.454 O +The O +genetic O +origin O +of O + +sulfoxide O +formation O +was O +uncovered O +through O +a O +comparison O +of O +the O +gene O +clusters O +of O +actagardine O +and O +another O +lanthipeptide O +michiganin O +A,86 O +which O +is O +similar O +in O +structure O +to O +actagardine O +but O +lacks O +the O +sulfoxide.457 O +Annotation O +of O +the O +actagardine O +gene O +cluster O +from O +Actinoplanes O +garbadinensis O +ATCC O +31049 O +revealed O +the O +unique O +presence O +of O +a O +gene O +encoding O +a O +luciferase-like O +flavin-dependent O +monoxygenase O +termed O +garO. O +A O +ΔgarO O +mutant O +of O +A. O +garbadinensis O +ATCC O +31049 O +produced O +only O + +deoxyactagardine O +and O +Ala(0)-deoxyactagardine O +. O + +Two O +rRNA O +methyltransferases O +( O +AviRa O +and O +AviRb O +) O +and O +two O +antibiotic O +transporters O +( O +AviABC1 O +and O +AviABC2 O +) O +were O +clarified O +[ O +142 O +] O +( O +GB O +No. O +AF333038 B-bgc-accession +) O +. O + +Methodology/Principal O +Findings O +The O +aim O +of O +these O +studies O +was O +to O +test O +if O +the O +production O +of O +mersacidin O +could O +be O +transferred O +to O +a O +naturally O +competent O +Bacillus O +strain O +employing O +genomic O +DNA O +of O +the O +producer O +strain O +. O + +The O +analysis O +of O +the O +resulting O +mutant O +strain O +showed O +that O +gonP1 O +inactivation O +abolished O +PM100117/18 O +biosynthesis O +, O +thus O +confirming O +the O +implication O +of O +this O +cluster O +in O +the O +production O +of O +PM100117/18 O +( O +Fig. O +O O +2b).Fig O + +Carbomycin O +is O +a O +16-membered O +macrolide O +antibiotic O +isolated O +originally O +from O +S. O +halstedii O +and O +the O +biosynthetic O +gene O +cluster O +was O +cloned O +from O +S. O +thermotolerans O +( O +GB O +No. O + +The O +N-terminal O +leader O +sequence O +of O +P. O +acnes O +266 O +includes O +an O +additional O +23 O +amino O +acids O +in O +comparison O +to O +the O +other O +P. O +acnes O +strains O +. O + +Genetic O +Organisation O +and O +Location O +of O +the O +Subtilomycin O +Biosynthetic O +Gene O +Cluster O +As O +previously O +noted O +, O +a O +single O +match O +was O +found O +between O +the O +primary O +amino O +acid O +sequence O +of O +the O +N-terminal O +part O +of O +subtilomycin O +and O +the O +5’end O +of O +a O +small O +gene O +( O +subA O +, O +171 O +nt O +) O +, O +located O +immediately O +upstream O +from O +ORFs O +that O +encode O +for O +proteins O +which O +have O +been O +shown O +to O +be O +involved O +in O +the O +processing O +of O +class O +I O +lantibiotics O +, O +such O +as O +LanB-like O +dehydratase O +and O +LanC-like O +cyclase O +modification O +enzymes O +( O +SubB O +and O +SubC O +, O +respectively O +, O +Figure O +4 O +) O +. O + +Although O +rubrolone O +A O +has O +shown O +no O +significant O +biological O +activity O +in O +cytotoxicity O +and O +antimicrobial O +assays1 O +, O +we O +recently O +isolated O +rubrolone O +B O +( O +2 O +) O +( O +Fig. O +1 O +) O +as O +a O +new O +potentially O +cardioprotective O +rubrolone O +from O +the O +endophytic O +strain O +Streptomyces O +sp. O +KIB-H033 O +( O +S. O +sp. O +KIB-H033)5 O +. O + +Individual O +retention O +time/UV O +– O +vis O +searches O +of O +the O +dominant O +15 O +secondary O +metabolites O +against O +our O +in-house O +pure O +metabolite O +library O +( O +> O +7,100 O +standards O +) O +also O +failed O +to O +provide O +a O +single O +known O +secondary O +metabolite O +, O +further O +suggesting O +the O +strain O +was O +a O +hitherto O +unaccounted O +species O +of O +Aspergillus O +. O + +The O +six O +capsular O +types O +( O +K1 O +, O +K6 O +, O +K16 O +, O +K54 O +, O +K58 O +, O +K63 O +) O +that O +contain O +fucose O +as O +a O +structural O +unit O +possessed O +both O +gmd O +( O +gene O +encodes O +GDP-D-mannose O +4 O +, O +6-dehydratase O +) O +and O +wcaG O +( O +a O +nucleotide O +sugar O +epimerase/dehydratase O +with O +bifunctional O +activity O +: O +GDP-4-dehydro-6-deoxy-D-mannose O +epimerase O +and O + +GDP-4-dehydro-6-L-deoxygalactose O +reductase O +) O +genes O +, O +which O +are O +responsible O +for O +conversion O +from O +GDP-D-mannose O +to O +GDP-L O +fucose32 O +. O + +The O +A-503083s O +differ O +from O +the O +A-500359s O +by O +the O +presence O +of O +a O +2′-O-carbamoyl O +group O +, O +which O +has O +a O +minimal O +effect O +on O +TL1 O +inhibition O +and O +anti-TB O +activity O +. O + +Purification O +and O +genetic O +characterization O +of O +gassericin O +E O +, O +a O +novel O +co-culture O +inducible O +bacteriocin O +from O +Lactobacillus O +gasseri O +EV1461 O +isolated O +from O +the O +vagina O +of O +a O +healthy O +woman O +Background O +Lactobacillus O +gasseri O +is O +one O +of O +the O +dominant O +Lactobacillus O +species O +in O +the O +vaginal O +ecosystem O +. O + +Here O +, O +we O +report O +the O +identification O +of O +the O +previously O +uncharacterized O +nybomycin O +gene O +cluster O +from O +the O +marine O +actinomycete O +Streptomyces O +albus O +subsp O +. O + +One O +knockout O +mutant O +( O +SOD_c20750 O +) O +showed O +the O +desired O +negative O +sodorifen O +phenotype O +. O + +Bacillus O +mojavensis O +RO-H-1 O +ZP_10514325.1 B-bgc-accession +BmojR_010100015748 O +46 O +Unknown O +LanM O +12 O +. O + +Albeit O +mild O +, O +this O +antibacterial O +activity O +is O +in O +line O +with O +other O +antifoulant O +natural O +products O +such O +as O +the O +diterpene O +dictyol O +C28 O +or O +the O +bromopyrrole O +oroidin29 O +. O + +To O +determine O +whether O +the O +predicted O +genes O +were O +responsible O +for O +the O +biosynthesis O +of O +KK-1 O +, O +we O +performed O +heterologous O +production O +of O +KK-1 O +in O +Aspergillus O +oryzae O +by O +introduction O +of O +the O +cluster O +genes O +into O +the O +genome O +of O +A. O +oryzae O +. O + +The O +biosynthetic O +gene O +cluster O +for O +landomycin O +E O +was O +cloned O +from O +S. O +globisporus O +[ O +360 O +] O +, O +and O +that O +for O +landomycin O +A O +was O +cloned O +from O +S. O +cyanogenus O +[ O +361 O +] O +. O + +The O +adenylation O +domain O +sequences O +of O +McyB1 O +and O +McyC O +from O +Phormidium O +sp. O +LP904c O +might O +have O +gone O +through O +recombination O +events O +because O +their O +sequences O +group O +with O +sequences O +from O +different O +enzymes O +( O +Supplementary O +Figure O +S10 O +) O +. O + +The O +growth O +inhibition O +activity O +in O +all O +cases O +was O +restored O +( O +Figure O +5 O +) O +. O + +Neomycin O +( O +fradiomycin O +) O +, O +paromomycin O +, O +and O +lividomycin O +belong O +to O +4,5-disubstitued O +DOS-containing O +aminoglycoside O +antibiotics O +. O + +Bioinformatic O +analysis O +of O +the O +substrate O +specificity O +of O +all O +nine O +adenylation O +domains O +indicated O +that O +the O +sequence O +of O +the O +NRPS O +modules O +is O +well O +collinear O +with O +the O +order O +of O +amino O +acids O +in O +pelgipeptin O +. O + +Landomycin O +E O +is O +produced O +by O +S. O +globisporus O +, O +and O +shows O +antitumor O +activity O +which O +is O +only O +mildly O +affected O +by O +multidrug O +resistance-mediated O +drug O +efflux O +. O + +Sequences O +of O +phzE O +genes O +, O +which O +are O +part O +of O +the O +phenazine O +biosynthetic O +pathway O +, O +were O +used O +to O +design O +one O +universal O +primer O +system O +and O +to O +analyze O +the O +ability O +of O +bacteria O +to O +produce O +phenazine O +. O + +Alkaloid O +biosynthesis O +gene O +origins O +in O +selected O +hybrid O +endophyte O +strains O +a. O +E. O +can O +. O + +Atypical O +Listeria O +innocua O +strains O +possess O +an O +intact O +LIPI-3 O +Background O +Listeria O +monocytogenes O +is O +a O +food-borne O +pathogen O +which O +is O +the O +causative O +agent O +of O +listeriosis O +and O +can O +be O +divided O +into O +three O +evolutionary O +lineages O +I O +, O +II O +and O +III O +. O + +A O +manual O +genome O +annotation O +analysis O +identified O +this O +as O +the O +only O +type O +III O +PKS O +gene O +cluster O +in O +the O +genome O +, O +consistent O +with O +the O +antiSMASH O +results O +. O + +Puwainaphycin O +F O +( O +4-methyl-Ahtea-PUW-F O +) O +, O +together O +with O +the O +congener O +of O +m/z O +1118.6 O +, O +were O +found O +to O +be O +dominant O +based O +on O +UV O +and O +MS O +detection O +, O +other O +variants O +were O +observed O +in O +trace O +amounts O +based O +on O +their O +MS O +signals O +( O +Figure O +3B O +) O +. O + +Furthermore O +, O +a O +mutation O +was O +detected O +in O +plnF O +structural O +gene O +which O +has O +contributed O +to O +a O +longer O +bacteriocin O +peptide O +. O +