Source: http://plannet-rcn.org/profile-sharon-r-long/
Timestamp: 2019-04-22 03:02:18+00:00

Document:
2009-2012 Board of Directors, Koshland Science Museum, Washington, D.C.
H. M. Meade, S. R. Long, G. B. Ruvkun, S. W. Brown and F. M. Ausubel. (1982) Physical and genetic characterization of symbiotic and auxotrophic mutants of Rhizobium meliloti induced by transposon Tn5 mutagenesis. J. Bacteriol. 149:114-122.
S. R. Long, W. J. Buikema and F. M. Ausubel. (1982) Cloning of Rhizobium meliloti nodulation genes by direct complementation of Nod-minus mutants. Nature 298:485-488.
G. B. Ruvkun, S. R. Long, H. M. Meade, R. C van den Bos, and F. M. Ausubel. (1982) ISRml: A Rhizobium meliloti insertion sequence that transposes preferentially into nitrogen fixation genes. J. Molec. Applied Genetics 1:405-418.
A. M. Friedman, S. R. Long, S. E. Brown, W. J. Buikema and F. M. Ausubel. (1982) Use of cos derivative of pRK290 in constructing a clone bank of Rhizobium meliloti DNA. Gene 18:289-296.
A. M. Hirsch, S. R. Long, M. Bang, N. Haskins and F. M. Ausubel. (1982) Structural studies of alfalfa roots infected with nodulation mutants of Rhizobium meliloti. J. Bacteriol. 151:411-419.
S. R. Long. (1982) Use of mutants to study symbiotic nitrogen sixation. In Challenging Problems in Plant Health [T. Kommedahl and P.H. Williams, eds.] The American Phytophathological Society, St. Paul, Minnesota, Pp. 348-361.
W. J. Buikema, S. R. Long, S. E. Brown, R. C. van den Bos, C. Earl, and F. M. Ausubel. (1983) Physical and Genetic Characterization of Rhizobium meliloti Symbiotic Mutants. J. Molecular & Applied Genetics 2:249-260.
D. P. S. Verma and S. R. Long. (1983) The molecular biology of Rhizobium -legume symbiosis. In: International Review of Cytology, Supplement 14. Academic Press, Inc.
S. R. Long. (1984) Genetics of Rhizobium nodulation. In: Plant-Microbe Interactions, (T. Kosuge and E. Nester, eds.) Macmillan Publishing Co., Inc., New York. Pp. 256-306.
T. T. Egelhoff, R. F. Risher, T. W. Jacobs, J. T. Mulligan and S. R. Long. (1985) Nucleotide sequence of Rhizobium meliloti 1021 nodulation genes: nodD is read divergently from nodABC . DNA 4:241-248.
A. M. Hirsch, D. Drake, T. W. Jacobs and S. R. Long. (1985) Nodules are induced on alfalfa roots by Agrobacterium tumefaciens and Rhizobium trifolii containing small segments of the Rhizobium meliloti nodulation region. J. Bacteriol. 161:223-230.
J. T. Mulligan and S. R. Long. (1985) Induction of Rhizobium meliloti nodC expression by plant exudate requires nodD. Proc. Natl. Acad. Sci. USA 82:6609-6613.
T. T. Egelhoff and S. R. Long. (1985) Rhizobium meliloti nodulation Genes: Identification of nodDABC gene products, purification of nodA protein, and expression of nodA in Rhizobium meliloti . J. Bacteriol. 164:591-599.
N. K. Peters, J. W. Frost and S. R. Long. (1986) A plant flavone, luteolin, induces expression of Rhizobium meliloti nodulation genes. Science 233:977-980.
S. R. Long. (1986) Rhizobium genetics. In: Genetic engineering, volume 8, (J. Setlow, A.Hollaender, ed.), Plenum Press, New York, Pp. 135-150.
M. Dudley, T. W. Jacobs and S. R. Long. (1987) Microscopic analysis of alfalfa root cell divisions induced by Rhizobium meliloti. Planta 171:289-301.
M. M. Yelton, J. T. Mulligan and S. R. Long. (1987) Expression of Rhizobium meliloti nod genes in Rhizobium spp. and Agrobacterium backgrounds. J. Bacteriol. 169:3094-3098.
R. F. Fisher, H. L. Brierley, J. T. Mulligan and S. R. Long. (1987) Transcription of Rhizobium meliloti nodulation genes: Identification of a nodD transcription initiation site in vitro and in vivo. J. Biol. Chem. 262:6849-6855.
J. Swanson, J. K. Tu, J. M. Ogawa, R. Sanga, R. F. Fisher and S. R. Long. (1987) Extended nodulation gene region in Rhizobium meliloti 1021. I. Physical and genetic map of loci in clone pRmJT5. Genetics: 117:181-189.
R. F. Fisher, J. Swanson, J. T. Mulligan and S. R. Long. (1987) Extended nodulation gene region in Rhizobium meliloti 1021. II. Sequence and transcription start site for nodFEGH. Genetics:117:191-201.
R. F. Fisher, T. T. Egelhoff, J. T. Mulligan and S. R. Long. (1988) Specific binding of proteins from Rhizobium meliloti cell-free extracts containing NodD to DNA sequences upstream of inducible nodulation genes. Genes & Development 2:282-293.
N. K. Peters and S. R. Long. (1988) Alfalfa root exudates and compounds which promote or inhibit induction of Rhizobium meliloti nodulation genes. Plant Physiology 88:396-400.
S. R. Long. (1989) The Rhizobium-legume symbiosis: Life together in the underground. Cell 56:203-214.
S. R. Long. (1989) Rhizobium genetics. Annual Review of Genetics 23:483-506.
M. Dudley and S. R. Long. (1989) A non-nodulating alfalfa mutant displays root hair curling nor early cell division in response to Rhizobium meliloti. The Plant Cell 1:65-72.
J. T. Mulligan and S. R. Long. (1989) A family of activator genes regulates expression of Rhizobium meliloti nodulation genes. Genetics 122:7-18.
J. Schwedock and S. R. Long. (1989) Nucleotide sequence and protein products of two new nodulation genes of Rhizobium meliloti, nodP and nodQ. Mol. Plant-Microbe Interactions 2:181-194.
R. F. Fisher and S. R. Long. (1989) DNA footprint analysis of the transcriptional activator proteins NodD1 and NodD3 on inducible nod gene promoters. J. Bacteriol. 171:5492-5502.
S. R. Long and E. Morrey Atkinson. (1990) Rhizobium sweet-talking. Nature 344:712-713.
M. J. Barnett and S. R. Long. (1990) DNA sequence and translational product of a new nodulation-regulatory locus: SyrM has sequence similarity to NodD proteins. J. Bacteriol. 172:3695-3700.
M. J. Barnett and S. R. Long. (1990) Nucleotide sequence of an alfalfa calmodulin cDNA. Nucleic Acids Res. 18:3395-3395.
J. Schwedock and S. R. Long. (1990) ATP sulfurylase activity of the nodP and nodQ gene products of Rhizobium meliloti. Nature 348:644-647.
B. G. Rushing, M. M. Yelton and S. R. Long. (1991) Genetic and physical analysis of the nodD3 region of Rhizobium meliloti. Nucleic Acids Res. 19:921-927.
J. Ogawa, H. Brierley and S. R. Long. (1991). Analysis of Rhizobium meliloti nodulation mutant WL131: novel insertion sequence ISRm3 in nodG and altered nodH protein product. J. Bacteriol. 173:3060-3065.
W. Margolin, J. C. Corbo and S. R. Long. (1991) Cloning and characterization of a Rhizobium meliloti homolog of the Escherichia coli cell division gene ftsZ. J. Bacteriol. 173:5822-5830.
S. R. Long. (1992) Genetic analysis of Rhizobium nodulation. In: Biological Nitrogen Fixation, edited G. Stacey, R. H. Burris and H. J. Evans, pp. 560-597. Chapman and Hall, New York.
R. F. Fisher and S. R. Long. (1992) “Stirring dull roots”: Rhizobium-plant signal exchange. Nature 357:655-660.
E. M. Atkinson and S. R. Long. (1992) Sequence similarity of R. meliloti nodC to polysaccharide polymerizing enzymes. Mol. Plant-Microbe Interactions 5:439-442.
J. Swanson, J. T. Mulligan and S. R. Long. (1993) Regulatory interdependence of syrM and nodD3 of Rhizobium meliloti. Genetics 134:435-444.
W. Margolin and S. R. Long. (1993) Isolation and characterization of a DNA replication origin from the 1700 kilobase pair symbiotic megaplasmid pRmeSU47b of Rhizobium meliloti. J. Bacteriol. 175:6553-6561.
J. Cooper and S. R. Long. (1994) Morphogenetic complementation of Rhizobium meliloti nodulation mutants by trans-Zeatin secretion. The Plant Cell 6:215-225.
W. Margolin and S. R. Long. (1994) A second ftsZ cell division gene in Rhizobium meliloti. J. Bacteriol. 176:2033-2043.
J. S. Schwedock and S. R. Long. (1994) An open reading frame downstream of Rhizobium meliloti nodQ1 shows nucleotide sequence homology to an Agrobacterium tumefaciens insertion sequence. Mol. Plant-Microbe Interactions 7:151-153.
E. M. Atkinson, M. Palcic, O. Hindsgaul and S. R. Long. (1994) Biosynthesis of Rhizobium meliloti lipooligosaccharide Nod factors: NodA is required for an N-acyltransferase activity. Proc. Natl. Acad. Sci. USA 91:8418-8422.
J. S. Schwedock, C.-X. Liu, T. Leyh and S. R. Long. (1994) Rhizobium meliloti NodP and NodQ form a multifunctional sulfate activating complex that requires GTP for activity. J. Bacteriol. 176:7055-7064.
J. Ogawa and S. R. Long. (1995) The Rhizobium meliloti groELc locus is required for regulation of early nod genes by the transcription activator NodD. Genes & Development 9:714-729.
D. Ehrhardt, E. M. Atkinson, K. F. Faull, R. Armstrong and S. R. Long. (1995) In vitro sulfotransferase activity of NodH, a nodulation protein of Rhizobium meliloti required for host-specific nodulation. J Bacteriol. 177:6237-6245.
B. G. Rushing and S. R. Long. (1995) Cloning and characterization of the sigA gene encoding the major sigma subunit of Rhizobium meliloti. J Bacteriol. 177:6952-6957.
W. Margolin, D. Bramhill and S. R. Long. (1995) The dnaA gene of Rhizobium meliloti lies within an unusual gene arrangement. J. Bacteriol. 177:2892-2900.
M. Barnett, B. G. Rushing, R. F. Fisher and S. R. Long. (1996) Transcription start sites for syrM and nodD3 flank an insertion sequence relic in Rhizobium meliloti. J. Bacteriol. 178:1782-1787.
D. W. Ehrhardt, R. Wais, and S. R. Long. (1996) Calcium spiking in plant root hairs responding to Rhizobium nodulation signals. Cell 85:673-681.
S. R. Long. (1996) Rhizobium symbiosis: Nod factors in perspective. The Plant Cell 8:1885-1898.
G. Kalinowski and S. R. Long. (1996) Deletion analysis of the 5′ untranslated region of the Rhizobum meliloti nodF gene. Mol.. Plant-Microbe Interactions 9:869-873.
D. J. Gage, T. Bobo and S. R. Long. (1996) Use of green fluorescent protein to visualize the early events of symbiosis between Rhizobium meliloti and alfalfa (Medicago sativa) J. Bacteriol. 178:7159-7166.
M. J. Barnett and S. R. Long. (1997) Identification and characterization of a gene on Rhizobium meliloti pSyma, syrB, that negatively affects syrM expression. Mol. Plant-Microbe Interactions 10:550-559.
M. J.Barnett, J. A. Swanson and S. R. Long. (1998) Multiple genetic controls on Rhizobium meliloti syrA , a regulator of exopolysaccharide abundance. Genetics 148:19-32.
L. S. Smith and S. R. Long. (1998) Requirements for syrM and nodD Genes in the Nodulation of M. truncatula by Rhizobium meilioli 1021. Mol. Plant-Microbe Interactions 11:937-940.
P. A. Covitz, L. S. Smith and S. R. Long. (1998) Expressed sequence tags from a root-hair-enriched Medicago truncatula cDNA library. Plant Physiol. 117:1325-1332.
V. Oke and S. R. Long. (1999) Bacterial genes induced within the nodule during the Rhizobium-legume symbiosis. Molecular Microbiology 32 (4):837-849.
A. P. Abola, M. Willits, R. Wang and S. R. Long. (1999) Reduction of adenosine-5’-phosphosulfate instead of 3’-phosphoadenosine-5’-phosphosulfate in cysteine biosynthesis by Rhizobium meliloti. and other members of the family Rhizobiaceae. J. Bacteriol. 181 (17):5280-5287.
V. Oke and S. R. Long.(1999) Bacteroid formation in the Rhizobium-legume symbiosis. Curr. Opin. Microbiol. 2:641-646.
F. Barloy-Hubler, D. Capela, M. Barnett, S. Kalman, N. A. Federspiel, S. R. Long and F. Galibert. (2000) High-resolution physical map of the Sinorhizobium meliloti 1021 pSyma megaplasmid. J. Bacteriol. 182(4):1185-1189.
M. J. Barnett, V. Oke and S. R. Long. (2000) New genetic tools for use in the Rhizobiaceae and other bacteria. BioTechniques 29:240-245, plus cover photo.
R. J. Wais, C. Galera, G. Oldroyd, R. Catoira, R.V. Penmetsa, D. Cook, C. Gough, J. Dénarié, and S. R. Long. (2000) Genetic analysis of calcium spiking responses in nodulation mutants of Medicago truncatula. Proc. Natl. Acad. Sci. USA 97:13407-13412.
S. R. Long. (2000) Genes and Signals in the Rhizobium-Legume symbiosis. Plant Physiology 125 (1):69-72.
V. Oke, B. G. Rushing, E. J. Fisher, M. Moghadam-Tabrizi and S. R. Long. (2001) Identification of the heat shock sigma factor RpoH and a second RpoH-like protein in Sinorhizobium meliloti. Microbiology 147:2399-2408.
G. E. D. Oldroyd, E. M. Engstrom and S. R. Long. (2001) Ethylene inhibits the Nod factor perception pathway of Medicago truncatula. Plant Cell 13:1835-1849.
G. E. D. Oldroyd, R. M. Mitra, R. J. Wais and S. R. Long. (2001). Evidence for structurally specific negative feedback in the Nod factor signal transduction pathway. Plant Journal 28 (2):191-199, plus cover photo.
K. C. Yeh, M. C. Peck and S. R. Long. (2002) Luteolin and GroESL modulate in vitro activity of NodD. J. Bacteriol. 184 (2):525-530.
D. H. Wells and S. R. Long. (2002) The Sinorhizobium meliloti stringent response affects multiple aspects of symbiosis. Molecular Microbiology 43 (5):1115-1127.
R. J. Wais, D. H. Keating and S. R. Long. (2002) Structure-function analysis of Nod factor-induced calcium spiking in the Rhizobium-legume symbiosis. Plant Physiology 129:211-224.
A. M. Southwick and S. R. Long. (2002) Heterologous expression to assay for plant lectins or receptors. Plant Molecular Biology Reporter 20:27-41.
A. M. Southwick, L.-X. Wang, S. R. Long and Y. C. Lee. (2002) Activity of Sinorhizobium meliloti NodAB and NodH enzymes on thiochitooligomers. J. Bacteriol. 184 (14):4039-4043.
D. H. Keating, M. G. Willits and S. R. Long. (2002) A Sinorhizobium meliloti mutant altered in lipopolysaccharide sulfation is defective in symbiosis. J. Bacteriol. 184 (23):6681-6689.
R. J. Wais, D. H. Wells and S. R. Long. (2002) Analysis of differences between S. meliloti 1021 and 2011 strains using the host calcium spiking response. Mol. Plant-Microbe Interactions 15 (12):1245-1252.
G. E. D. Oldroyd and S. R. Long. (2003) Identification and characterization of NSP2, a gene of Medicago truncatula involved in Nod factor signaling. Plant Physiology 131: 1027-1032.
S. L. Shaw, and S. R. Long. (2003) Nod factor elicits two separable calcium responses in Medicago truncatula root hair cells. Plant Physiology 131:976-984.
R. V. Penmetsa, J. A. Frugoli, L. S. Smith, S. R. Long and D. R. Cook. (2003) Dual genetic pathways controlling nodule number in Medicago truncatula. Plant Physiology 131:998-1008.
B. B. Amor, S. L. Shaw, G. E. D. Oldroyd, F. Maillet, R.V. Penmetsa, D. Cook, S. R. Long, J. Dénarié, and C. Gough. (2003) The NFP locus of Medicago truncatula controls an early step of Nod factor signal transduction upstream of a rapid calcium flux and root hair deformation. The Plant Journal 34 (4):495-506.
S. L. Shaw and S.R. Long. (2003) Nod factor inhibition of reactive oxygen efflux in the host legume. Plant Physiology 132 (4):2196-2204.
D. H. Wells and S.R. Long. (2003). Mutations in rpoBC rescue the defects of a Sinorhizobium meliloti relA mutant.
J. Bacteriol. 185 (18) 5602-5610, cover photo.
J.M. Harris, R.J. Wais and S.R. Long (2003). Rhizobium-induced calcium spiking in Lotus japonicus. Mol. Plant-Microbe Interactions 16 (4): 335-341.
R.M. Mitra and S.R. Long. (2004). Plant and bacterial symbiotic mutants define three transcriptionally distinct stages in the development of the Medicago truncatula/Sinorhizobium meliloti symbiosis. Plant Physiology 134 (2) 595-604.
J.M.Ané, G.B. Kiss, B.K. Riely, R.V. Penmetsa, G.E.D. Oldroyd, C. Ayax, J. Lévy, F. Debellé, J-M Baek, P. Kalo, C. Rosenberg, B.A. Roe, S.R. Long, J. Dénarié and D.R. Cook (2004). Medicago truncatula DMI1 required for bacterial and fungal symbioses in legumes. Science 303: 1364-1367.
R.M. Mitra, C.A.Gleason, A. Edwards, J. Hadfield, J.A.Downie, G.E.D. Oldroyd and S.R. Long (2004). A Ca2+/calmodulin-dependent protein kinase required for symbiotic nodule development: gene identification by transcript-based cloning. Proc. Natl. Acad. Sci. USA 101 (13): 4701-4705.
R.M. Mitra, S. Shaw and S.R. Long (2004). Six non-nodulating plant mutants defective for nod factor-induced transcriptional changes associated with the legume-rhizobia symbiosis. Proc. Natl. Acad. Sci. USA 101: 10217-10222.
P. Kaló, C. Gleason, A. Edwards, J. Marsh, R.M. Mitra, S. Hirsch, J. Jakab, S. Sims, S. R. Long, J. Rogers, G.G. Kiss, J.A. Downie and G.E.D. Oldroyd. (2005) Nodulation signaling in legumes requires NSP2, a member of the GRAS family of transcriptional regulators. Science 308: 1786-1789.
C.G. Starker, A.L. Para-Colmenares, L.S. Smith, R.M. Mitra, and S.R. Long (2006). Nitrogen fixation mutants of Medicago truncatula fail to support plant and bacterial symbiotic gene expression. Plant Physiology, 140: 671-680.
M.C. Peck, R.F. Fisher, and S.R. Long (2006). Diverse flavonoids stimulate NodD1 binding to nod gene promoters in Sinorhizobium meliloti. J. Bacteriol. 188 (15): 5417-5427.
J. F. Marsh, A. Rakocevic, R.M. Mitra, L. Brocard, J. Sun, A. Eschstruth, S. R. Long, M. Schultze, P. Ratet and G.E. Oldroyd. (2007). Medicago truncatula NIN is essential for rhizobial-independent nodule organogenesis induced by autoactive calcium/calmodulin-dependent protein kinase. Plant Physiology 144 (1): 324-35.
E. J. Chen, R. F. Fisher, V. M. Perovich, E. A. Sabio and S. R. Long (2009) Identification of direct transcriptional target genes of ExoS/ChvI two-component signaling in Sinorhizobium meliloti. J. Bacteriol. 191: 6833-6842. doi:10.1128/JB.00734-09.
C. H. Haney and S. R. Long (2010) Plant flotillins are required for infection by nitrogen-fixing bacteria. Proc. Natl. Acad. Sci. USA 107 (1): 478-483. doi: 10.1073/pnas.0910081107.
D. Wang, J. Griffitts, C. Starker, E. Fedorova, E. Limpens, S. Ivanov, T. Bisseling and S. R. Long (2010) A nodule-specific protein secretory pathway required for nitrogen-fixing symbiosis. Science 327: 1126-1129.
E. Schnabel, A. Mukherjee, L. Smith, T. Kassaw, S. R. Long, and J. Frugoli (2010) The lss supernodulation mutant of Medicago truncatula reduces expression of the SUNN gene. Plant Physiology 154: 1390‐1402.
A. Miyahara, J. Richens, C. Starker G. Morieri, L. Smith, S. Long, J.A. Downie, and G.E.D. Oldroyd (2010) Conservation in function of a SCAR/WAVE component during infection thread and root hair growth in Medicago truncatula. Molec. Plant-Microbe Interactions. 23: 1553-1562. DOI: 10.1094/MPMI‐06‐10‐0144.
C.L. Harrison, M.B. Crook, G. Peco, S.R. Long, and J.S. Griffitts (2011) Employing site-specific recombination for conditional genetics in Sinorhizobium meliloti. Appl. Env. Microbiol. 77:3916-3922. doi:10.1128/AEM 00544-11.
C.H Haney, B. Riely, D. Tricoli, D.R. Cook, D.W. Ehrhardt and S.R. Long (2011) Symbiotic rhizobia bacteria trigger a change in localization and dynamics of the Medicago truncatula receptor kinase LYK3. Plant Cell 23:2774-2787. Online / June 2011/tpc.111.086389.
A.P. Rightmyer and S.R. Long (2011) Pseudonodule formation by wild-type and symbiotic mutant Medicago truncatula in response to auxin transport inhibitors. Molec. Plant-Microbe Interactions online before print DOI: 10.1094/MPMI-04-11-0103. 24:1372-1384.
E. Schnabel, T. Kessaw, L. Smith, J. Marsh, G.E. Oldroyd, S.R. Long, J. Frugoli (2011) The ROOT DETERMINED NODULATION 1 gene regulates nodule number in roots of Medicago truncatula and defines a highly conserved, uncharacterized plant gene family. Plant Physiol. 157 : 328-340.

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