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                    U.S. DEPARTMENT OF AGRICULTURE
 Characterization and Interventions for Foodborne Pathogens: Wyndmoor, PA
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ARS Home Northeast Area Wyndmoor, Pennsylvania Eastern Regional Research Center Characterization and Interventions for Foodborne Pathogens People & Locations







Nereus W Gunther

(Jack)                                                                (PhD)
                        Characterization and Interventions for Foodborne Pathogens

                        




                        
                        Research Molecular Biologist
                        Phone: (215) 233-6503
                         ext. 6503
                        
                        Fax: (215) 233-6795(Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsMolecular Analysis of Foodborne Pathogen Responses to Stressors
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441489**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Butyrate decreases Campylobacter jejuni motility and biofilm partially through influence on LysR expression
                                                        

- (Peer Reviewed Journal)Gunther, N.W., Nunez, A., Bagi, L.K., Abdul Wakeel, A.Y., Ream, A.R., Liu, Y., Uhlich, G.A. 2023. Butyrate decreases Campylobacter jejuni motility and biofilm partially through influence on LysR expression. Food Microbiology. https://doi.org/10.1016/j.fm.2023.104310.Complete genome sequence of Campylobacter jejuni BSD5, a multidrug-resistant isolate from a poultry processing facility in the United States
                                                        

- (Peer Reviewed Journal)He, Y., Reed, S.A., Gunther, N.W., Armstrong, C.M., Capobianco Jr, J.A. 2023. Complete genome sequence of Campylobacter jejuni BSD5, a multidrug-resistant isolate from a poultry processing facility in the United States. Microbiology Resource Announcements. 12(6). https://doi.org/10.1128/mra.00284-23.Control of Escherichia coli O157:H7 motility and biofilm formation by salicylate and decanoate: MarA/SoxS/Rob and pchE interactions
                                                        

- (Peer Reviewed Journal)Uhlich, G.A., Koppenhofer, H.L., Gunther, N.W., Ream, A.R. 2022. Control of Escherichia coli O157:H7 motility and biofilm formation by salicylate and decanoate: MarA/SoxS/Rob and pchE interactions. Applied and Environmental Microbiology. 88(2). Article e0189121. https://doi.org/10.1128/AEM.01891-21.Complete genomic sequences of Campylobacter coli strains isolated from poultry sold in Pennsylvania farmers’ markets
                                                        

- (Peer Reviewed Journal)Gunther, N.W., Kanrar, S., Uhlich, G.A. 2021. Complete genomic sequences of Campylobacter coli strains isolated from poultry sold in Pennsylvania farmers’ markets. Microbiology Resource Announcements. Available online: Microbiol Resource Announcements 10:e00015-21. https://doi.org/10.1128/MRA.00015-21.Anti-listerial activity of thermophilin 110 and pediocin in fermented milk and whey
                                                        

- (Peer Reviewed Journal)Ceruso, M., Liu, Y., Gunther, N.W., Pepe, T., Anastasio, A., Qi, P.X., Tomasula, M.M., Renye Jr, J.A. 2021. Anti-listerial activity of thermophilin 110 and pediocin in fermented milk and whey. Food Control. https://doi.org/10.1016/j.foodcont.2021.107941.Acidic whey to reduce the prevalence of Campylobacter in poultry products

- (Abstract Only)Draft genomic sequence of Campylobacter coli isolated from chicken carcasses
                                                        

- (Peer Reviewed Journal)Xu, A., Abdul Wakeel, A.Y., Gunther, N.W., Sommers, C.H. 2019. Draft genomic sequence of Campylobacter coli isolated from chicken carcasses. Microbiology Resource Announcements. 8(28):e00564-19. https://doi.org/10.1128/MRA.00564-19.The evaluation of hydrostatic high pressure and cold storage parameters for the reduction of Campylobacter jejuni in chicken livers
                                                        

- (Peer Reviewed Journal)Gunther, N.W., Abdul Wakeel, A.Y., Ramos, R.V., Sheen, S. 2019. The evaluation of hydrostatic high pressure and cold storage parameters for the reduction of Campylobacter jejuni in chicken livers. International Journal of Food Microbiology. 82:249-253. https://doi.org/10.1016/j.fm.2019.02.014.The evaluation of gamma irradiation and cold storage for the reduction of Campylobacter jejuni in chicken livers
                                                        

- (Peer Reviewed Journal)Gunther, N.W., Abdul Wakeel, A.Y., Scullen, O.J., Sommers, C.H. 2019. The evaluation of gamma irradiation and cold storage for the reduction of Campylobacter jejuni in chicken livers. Food Microbiology. 82:249-253. https://doi.org/10.1016/j.fm.2019.02.014.Pch genes control biofilm and cell adhesion in a clinical serotype O157:H7 isolate
                                                        

- (Peer Reviewed Journal)Andreozzi, E., Gunther, N.W., Reichenberger, E.R., Cottrell, B.J., Rotundo, L., Nunez, A., Uhlich, G.A. 2018. Pch genes control biofilm and cell adhesion in a clinical serotype O157:H7 isolate. Frontiers in Microbiology. 9(2829). https://doi.org/10.3389/fmicb.2018.02829.Purification and characterization of the thermostable metalloprotease produced by Serratia grimesii isolated from channel catfish
                                                        

- (Peer Reviewed Journal)Accumannola, G.M., Richards, V.A., Gunther, N.W., Lee, J. 2018. Purification and characterization of the thermostable metalloprotease produced by Serratia grimesii isolated from channel catfish. Journal of the Science of Food and Agriculture. 99:2428-2437. https://doi.org/10.1002/jsfa.9451.Campylobacter and hemolytic uremic syndrome
                                                        

- (Review Article)Smith, J., Gunther, N.W. 2019. Campylobacter and hemolytic uremic syndrome. Foodborne Pathogens and Disease. 16(2). https://doi.org/10.1089/fpd.2018.2513.Commentary: Campylobacter and hemolytic uremic syndrome
                                                        

- (Review Article)Smith, J., Gunther, N.W. 2019. Commentary: Campylobacter and hemolytic uremic syndrome. Foodborne Pathogens and Disease. 16(2):90-93. https://doi.org/10.1089/fpd.2018.2513.Quaternary ammonium compounds with multiple cationic moieties (multiQACs) provide antimicrobial activity against Campylobacter jejuni

- (Peer Reviewed Journal)Gunther, N.W., Abdul Wakeel, A.Y., Reichenberger, E.R., Al-Khalifa, S., Minbiole, K.P. 2018. Quaternary ammonium compounds with multiple cationic moieties (multiQACs) provide antimicrobial activity against Campylobacter jejuni. Food Control. https://doi.org/10.1016/j.foodcont.2018.06.038.Complete genome sequence of Campylobacter jejuni RM1246-ERRC that exhibits resistance to Quaternary Ammonium Compounds
                                                        

- (Peer Reviewed Journal)Gunther, N.W., Reichenberger, E.R. 2017. Complete genome sequence of Campylobacter jejuni RM1246-ERRC that exhibits resistance to Quaternary Ammonium Compounds. Genome Announcements. https://doi.org/10.1128/genomeA.00978-17.Inactivation of foodborne pathogens in chicken purge or skin using a 405-nm LED array

- (Peer Reviewed Journal)Sommers, C.H., Gunther, N.W., Sheen, S. 2016. Inactivation of foodborne pathogens in chicken purge or skin using a 405-nm LED array. Food Microbiology. 64:135-138.Complete genome sequence of UV-resistant Campylobacter jejuni RM3194, including an 81.08-kilobase plasmid

- (Peer Reviewed Journal)Gunther, N.W., Reichenberger, E.R., Bono, J.L. 2016. Complete genome sequence of UV-resistant Campylobacter jejuni RM3194, including an 81.08-kilobase plasmid. Genome Announcements. 4(2):e00305-16.The effects of 405-nm visible light on the survival of Campylobacter on chicken skin and stainless steel

- (Peer Reviewed Journal)Gunther, N.W., Phillips, J.G., Sommers, C.H. 2016. The effects of 405-nm visible light on the survival of Campylobacter on chicken skin and stainless steel. Foodborne Pathogens and Disease. 13(5):245-250.Complete genome sequence of Campylobacter jejuni RM1285 a rod-shaped morphological variant

- (Peer Reviewed Journal)Gunther, N.W., Bono, J.L., Needleman, D.S. 2015. Complete genome sequence of Campylobacter jejuni RM1285 a rod-shaped morphological variant. Genome Announcements. doi: 10.1128/genomeA.01361-15.The effects of high pressure treatments on C. jejuni in ground poultry products containing polyphosphate additives

- (Peer Reviewed Journal)Gunther, N.W., Sites, J.E., Sommers, C.H. 2015. The effects of high pressure treatments on C. jejuni in ground poultry products containing polyphosphate additives. Journal of Food Protection. 94(9):2297-2302.The numbers game: Campylobacter survival in poultry products through the pH effects of polyphosphate additives

- (Abstract Only)Gunther, N.W. 2015. The numbers game: Campylobacter survival in poultry products through the pH effects of polyphosphate additives. Meeting Abstract. meeting abstract.Dirhamnose-lipid production by recombinant nonpathogenic bacterium Pseudomonas chlororaphis

- (Peer Reviewed Journal)Solaiman, D., Ashby, R.D., Gunther, N.W., Zerkowski, J.A. 2015. Dirhamnose-lipid production by recombinant nonpathogenic bacterium Pseudomonas chlororaphis. Applied Microbiology and Biotechnology. DOI: 10.1007/s00253-015-6433-4.Survival of Campylobacter species after cryogenic freezing in ground turkey patties treated with polyphosphates

- (Peer Reviewed Journal)Non-labeled quantitative proteomic comparison identifies differences in acid resistance between Escherichia coli O157:H7 curli production variants

- (Peer Reviewed Journal)Gunther, N.W., Liu, Y., Nunez, A., Paul, M., Uhlich, G.A. 2014. Non-labeled quantitative proteomic comparison identifies differences in acid resistance between Escherichia coli O157:H7 curli production variants. Foodborne Pathogens and Disease. 11:30-37.Shiga toxin-producing Escherichia coli

- (Book / Chapter)Smith, J.L., Fratamico, P.M., Gunther, N.W. 2014. Shiga toxin-producing Escherichia coli. Advances in Applied Microbiology. 86:145-197.Inactivation of Campylobacter jejuni on poultry by ultraviolet light

- (Proceedings)Sommers, C.H., Gunther, N.W. 2013. Inactivation of Campylobacter jejuni on poultry by ultraviolet light. Meeting Proceedings. Proceedings:Midwestern Poultry Federation Convention.3/12 to 3/14/2013.P1-2.Construction of Listeria monocytogenes mutants with in-frame deletions in putative ATP-binding cassette (ABC) transporters and analysis of their growth under stress conditions

- (Peer Reviewed Journal)Liu, Y., Ceruso, M., Pepe, T., Cortesi, M., Gunther, N.W., Fratamico, P.M. 2012. Construction of Listeria monocytogenes mutants with in-frame deletions in putative ATP-binding cassette (ABC) transporters and analysis of their growth under stress conditions. Journal of Microbial and Biochemical Technology. 4(7):141-146.Advances in genomic- and proteomic-based methods to study food-borne pathogens

- (Book / Chapter)Genes that are involved in high hydrostatic pressure treatments in a Listeria monocytogenes Scott A ctsR deletion mutant

- (Peer Reviewed Journal)Liu, Y., Huang, L., Joerger, R.D., Gunther, N.W. 2012. Genes that are involved in high hydrostatic pressure treatments in a Listeria monocytogenes Scott A ctsR deletion mutant. Journal of Microbial and Biochemical Technology. 4:050-056.pH fractionation and identification of proteins: comparing column isoelectric focusing vs liquid based focusing techniques

- (Peer Reviewed Journal)Gunther, N.W., Paul, M., Nunez, A., Liu, Y. 2012. pH fractionation and identification of proteins: comparing column isoelectric focusing vs liquid based focusing techniques. Journal of Separation Science. 35(12):1399-1406.Effects of polyphosphate additives on the pH of processed chicken exudates and the survival of Campylobacter

- (Peer Reviewed Journal)Gunther, N.W., He, Y., Fratamico, P.M. 2011. Effects of polyphosphate additives on the pH of processed chicken exudates and the survival of Campylobacter. Journal of Food Protection. 74:1735-1740.Comprehensive approaches for molecular biomarker discovery for the detection and identification of Cronobacter spp. (Enterobacter sakazakii), Salmonella, and other foodborne pathogens

- (Peer Reviewed Journal)Yan, X., Gurtler, J., Fratamico, P.M., Hu, J., Gunther, N.W., Juneja, V.K., Huang, L. 2011. Comprehensive approaches for molecular biomarker discovery for the detection and identification of Cronobacter spp. (Enterobacter sakazakii), Salmonella, and other foodborne pathogens. Applied and Environmental Microbiology. 77:1833-1843.Gyr B versus 16s rDNA sequencing for the identification of Campylobacter jejuni, Campylobacter coli, and Campylobacter lari

- (Peer Reviewed Journal)Gunther, N.W., Almond, J.T., Yan, X., Needleman, D.S. 2011. Gyr B versus 16s rDNA sequencing for the identification of Campylobacter jejuni, Campylobacter coli, and Campylobacter lari. Journal of Nucleic Acids Investigation. DOI: 101089/fpd.2010.0773.Comparative proteomics of E. coli O157:H7: two-dimensional gel electrophoresis vs. two-dimensional liquid chromatography separation

- (Peer Reviewed Journal)Gunther, N.W., Pang, H., Nunez, A., Uhlich, G.A. 2010. Comparative proteomics of E. coli O157:H7: two-dimensional gel electrophoresis vs. two-dimensional liquid chromatography separation. Open Proteomics Journal. 3:26-34.Simultaneous detection and differentiation of Campylobacter jejuni, C. coli, and C. lari in chickens by multiplex real-time PCR

- (Peer Reviewed Journal)He, Y., Yao, X., Gunther, N.W., Tu, S., Shi, X. 2010. Simultaneous detection and differentiation of Campylobacter jejuni, C. coli, and C. lari in chickens by multiplex real-time PCR. Journal of Food Analytical Methods. 137:168-174.The Effects of Polyphosphate Additives on Campylobacter Survival in Processed Chicken Exudates

- (Peer Reviewed Journal)Gunther, N.W. 2010. The Effects of Polyphosphate Additives on Campylobacter Survival in Processed Chicken Exudates. Applied and Environmental Microbiology. 76(8):2419-2424.The CsgA and Lpp proteins affect HEp-2 cell invasion, motility, and biofilm formation in a strain of Escherichia coli O157:H7

- (Peer Reviewed Journal)Uhlich, G.A., Gunther, N.W., Bayles, D.O., Mosier, D.A. 2009. The CsgA and Lpp proteins affect HEp-2 cell invasion, motility, and biofilm formation in a strain of Escherichia coli O157:H7. Infection and Immunity. 77(4):1543-1552.The Biofilm Forming Potential of Bacterial Species in the Genus Campylobacter

- (Peer Reviewed Journal)Gunther, N.W., Chen, C. 2009. The Biofilm Forming Potential of Bacterial Species in the Genus Campylobacter. Food Microbiology. 26:44-51.Campylobacter: stress responses and biofilm formation

- (Proceedings)Fratamico, P.M., Gunther, N.W., Bagi, L.K. 2007. Campylobacter: stress responses and biofilm formation. Meeting Abstract.EXTRAINTESTINAL PATHOGENIC ESCHERICHIA COLI (EXPEC)

- (Review Article)Smith, J.L., Fratamico, P.M., Gunther, N.W. 2007. Extraintestinal pathogenic escherichia coli (expec). Foodborne Pathogens and Disease. Vol.4(2):134-163Genetic engineering for rhamnolipids production by nonpathogenic organism

- (Abstract Only)Solaiman, D., Aneja, K., Gunther, N.W., Ashby, R.D., Zerkowski, J.A. 2007. Genetic engineering for rhamnolipids production by nonpathogenic organism [abstract]. Annual Meeting and Expo of the American Oil Chemists' Society. p. 26.Comparative Proteomic Approaches to Understanding the Responses of Food-borne Pathogens to Environmental Factors

- (Abstract Only)COMPARING TECHNIQUES FOR COMPARATIVE PROTEOMICS: TWO-DIMENSIONAL GEL ELECTROPHORESIS AND TWO-DIMENSIONAL LIQUID CHROMATOGRAPHY SEPARATION

- (Abstract Only)Gunther, N.W., Hoan-Jen, P., Nunez, A., Uhlich, G.A. 2006. Comparing techniques for comparative proteomics: two-dimensional gel electrophoresis and two-dimensional liquid chromatography separation. Society of Industrial Microbiology. {Abstract}. P75.TRANSPOSON MUTAGENESIS REVEALS POTENTIAL SUPPRESSORS OF CURLI FIBERS IN EHEC STRAIN EDL933

- (Abstract Only)Uhlich, G.A., Gunther, N.W. 2006. Transposon mutagenesis reveals potential suppressors of curli fibers in ehec strain edl933. {Abstract}.  Society for Industrial Microbiology. P.82.PROTEOMIC BASED INVESTIGATION OF RHAMNOLIPID PRODUCTION BY PSEUDOMONAS CHLORORAPHIS STAIN B-30761

- (Peer Reviewed Journal)Gunther, N.W., Nunez, A., Fortis, L.L., Solaiman, D. 2006. Proteomic based investigation of rhamnolipid production by Pseudomonas chlororaphis strain NRRL B-30761. Journal of Industrial Microbiology and Biotechnology 33:914-920.PRODUCTION OF MICROBIAL BIOSURFACTANTS FROM SOY MOLASSES

- (Abstract Only)Solaiman, D., Gunther, N.W., Ashby, R.D., Foglia, T.A., Kaplan, D.L. 2005. Production of microbial biosurfactants from soy molasses [abstract]. Society of Industrial Microbiology Annual Meeting. p. 75.PRODUCTION OF RHAMNOLIPIDS BY PSEUDOMONAS CHLORORAPHIS, A NON-PATHOGENIC BACTERIUM

- (Peer Reviewed Journal)Gunther, N.W., Nunez, A., Fett, W.F., Solaiman, D. 2005. Production of rhamnolipids by pseudomonas chlororaphis, a non-pathogenic bacterium. Applied and Environmental Microbiology. 71(5):2288-2293.


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