NC State University College of Vetinary Medicine



  1. Thakur S, and Gray G. Editorial-The Mandate for a Global “One-Health” Approach to Antimicrobial Resistance Surveillance. American Journal of Tropical Medicine and Hygiene (Accepted). JIF: 2.56.
  2. Ball TA, Cray P-J, Monte DF, Aidara-kane A, Ru Hongyu, Thakur S, Horovitz J and Ejobl F. Phenotypic and Genotypic Characterization of Escherichia coli and Salmonella enterica from Dairy Cattle Farms in the Wakiso District, Uganda: a cross sectional study. Foodborne Pathogens and Disease (Accepted). JIF: 2.47.


  1. Suchawan P, van Vliet A, and Thakur S*. Whole genome sequencing analysis of multiple Salmonella serotypes provides insights into phylogenetic relatedness, antimicrobial resistance, and virulence markers across humans, food animals and environmental sources. BMC-Genomics (Accepted). JIF: 5.3
  2. Ryan SF, Adamson NL, Aktipis A, Andersen LK, Austin R, Barnes L, Beasley MR, Bidell K, Briggs S, Chapman B, Cooper C, Corn J, Creamer NG, Delborne, Domenico P, Driscoll E, Goodwin J, Hjarding A, Hulbert JM, Isard S, Just MG, Gupta KK, López-Uribe MM, O’Sullivan J, Landin J, Landis EA, McKenney EA, Madden AA, Nichols LM, Ramaswamy S, Reading B, Russell S, Sengupta N, Shell L, Sheard JK, Shoemaker DD, Sorger DM, Starling C, Thakur S, Vatsavai R, Weinstein M, Wimfrey P, Dunn RR. The Role of Citizen Science in Addressing Grand Challenges in Food and Agriculture Research. Proceedings of the Royal Society B: Biological Sciences. (Accepted). JIF: 4.84
  3. Moreni LZ, Gomes VTM, Moreira J, Oliveira CH, Peres BP, Silva APS, Thakur S, Ragione RL, and Moreno AM. First report of mcr-1-harboring Salmonella enterica serovar Schwarzengrund isolated from poultry meat in Brazil. Diagnostic Microbiology and Infectious Disease (Accepted). JIF: 2.4
  4. Ball TA, Cray P-J, Horovitz J and Thakur S. Molecular Characterization of Salmonella spp. from Cattle and Chicken Farms in Uganda. Online Journal of Public Health Informatics. 10(1): e148.
  5. Kumar D, Pornsukarom S, Sivaraman G, and Thakur S*. Environmental dissemination of Multidrug Methicillin-Resistant Staphylococcus sciuri (MDR-MRSS) after application of manure in commercial swine production systems. Foodborne Pathogens and Disease. 15 (4): 210-217. JIF: 2.47.
  6. Kumar D, and Thakur S*. Molecular tools to study preharvest food safety challenges. Microbiology Spectrum. 6 (1):
  7. Kniel K, Kumar D, and Thakur S*. Understanding the Complexities of Food Safety Using a "One Health" Approach. Microbiology Spectrum. 6 (1):


  1. Suchawan P and Thakur S*. (2017). Horizontal dissemination of antimicrobial resistance determinants in multiple Salmonella serotypes `isolated from the environment of commercial swine operations after manure application. Applied and Environmental Microbiology (Accepted).
  2. Reimschuessel R, Grabenstein M, Guag J, Nemser S, Song K, Qui J, Clothier K, Byrne B, Marks S, Cadmus K, Pabilonia K, Sanchez S, Rajeev S, Ensley S, Frana T, Jergens A, Chappell K, Thakur S, Byrum B, Cui J, Zhang Y, Erdman M, Rankin S, Daly R, Das S, Ruesch L, Lawhon S, Zhang S, Baszler T, Campos DD, Hartmann F, and Okwumabua O. (2017). Multi-Laboratory survey to evaluate Salmonella prevalence in diarrheic and non-diarrheic dogs and cats-in the USA between 2012 and 2014. Journal of Clinical Microbiology. 55 (5): 1350-1368.


  1. Suchawan P and Thakur S. (2016). Assessing the impact of manure application in commercial swine farms on the transmission of antimicrobial resistant Salmonella in the environment. Plos One. 11(10):e0164621.
  2. Keelara S, Thakur S, Patel J. (2016). Biofilm formation by environmental isolates of Salmonella and their sensitivity to natural antimicrobials. Foodborne Pathogens and Disease. 13 (9): 510-516.
  3. Boyer PE, D’Costa S, Edwards LL, Milloway M, Susick E, Borst LB, Thakur S, Campbell JM, Crenshaw JD, Polo J, Moeser AJ. (2015). Early Life Dietary Spray Dried Plasma Influences on Immunological and Intestinal Injury Responses to Subsequent Salmonella Typhimurium Challenge. British Journal of Nutrition. 113 (5): 783-793.


  1. 1. Keelara S. and Thakur S. (2014). Dissemination of plasmid-encoded AmpC β-lactamases in antimicrobial resistant Salmonella serotypes originating from humans, pigs and environment. Veterinary Microbiology. 17;173(1-2):76-83
  2. Keelara S , Scott HSM , Morrow WM , Hartley C, Denise Griffin, Gebreyes WA, Thakur S. (2014). Comparative phenotypic and genotypic characterization of temporally and spatially related non-typhoidal Salmonella isolated from human clinical cases, pigs and the environment. Foodborne Pathogens and Disease. 11(2)-156-164.


  1. Keelara S , Scott HSM , Morrow WM , Gebreyes WA , Correa M , Nayak R , Stefanova R, Thakur S. (2013). Longitudinal study comparing the distribution of phenotypic and genotypic similar antimicrobial resistant Salmonella serovars between pigs and their environment in two distinct swine production systems. Applied Environmental Microbiology. 79 (14) 5167-5178.
  2. Thakur, S., Brake, J., Keelara, S., Zou, M., and Susick, E. (2012). Co-occurrence and Environmental Distribution of Campylobacter and Salmonella in Broiler Flocks. Research in Veterinary Science. (Accepted).
  3. Smith TC, Gebreyes WA, Abley MJ, Bayleyegn M, Harper A, Forshey BM, Male MJ, Martin HW, Sreevatsan S, Thakur S, Thiruvengadam M, Davies PR. (2013). Methicillin-resistant Staphylococcus aureus in pigs and farm workers on conventional and antibiotic-free swine farms in the USA. Plos One. 8(5):1-5.
  4. Tadesse D, Bahnson P, Funk J, Thakur S, Morrow WEM, Wittum T, DeGraves F, Paivi Rajala-Schultz PJ, and Gebreyes WA. (2013). Yersinia enterocolitica of porcine origin, carriage of virulence genes and genotypic diversity. Foodborne Pathogens and Disease. 10 (1):80-86.


  1. Quintana, M., and Thakur, S. (2012). Phylogenetic Analysis Reveals Common Antimicrobial Resistant Campylobacter coli Population in Antimicrobial-Free (ABF) and Commercial Swine Systems. PLoS ONE. (Accepted).
  2. Fry, P., Thakur, S., and Gebreyes, W.A. (2012). Antimicrobial Resistance, Toxinotype and Genotypic Profiling of Clostridium difficile of swine origin.. Journal of Clinical Microbiology. 50(7):2366-2372.
  3. Quintana, M., and Thakur, S. (2012). A Longitudinal Study on Persistence of Antimicrobial Resistant Campylobacter in Distinct Swine Production Systems at Farm, Slaughter and Environment. Applied Environmental Microbiology. 78(8):2698-2705.
  4. Susick, E., Putnam, M., Bermudez, D., and Thakur, S. (2012). Longitudinal study comparing the dynamics of Clostridium difficile in conventional and antimicrobial free pigs at farm and slaughter. Veterinary Microbiology. 157(1-2):172-178.
  5. Zou, M., Keelara, S., and Thakur, S. (2012). Molecular characterization of Salmonella enterica serotype Enteritidis isolates from humans by Antimicrobial Resistance, Virulence genes and Pulsed-field gel electrophoresis. Foodborne Pathogens and Disease. 9(3):232-238.
  6. Perez, C., Whitacre, M.D., Thakur, S., Keelara, S., Fauls, M., and Breitschwerdt, E.B. (2012). Unilateral Epididymitis Associated with Salmonella Bacteremia in a Dog. Clinical Theriogenology. 4(1):61-65.



  1. Thakur, S., Sanford, M., Stoskopf, S. K., and DePerno, C. (2011). Detection of Clostridium difficile and Salmonella in feral swine population in North Carolina. Journal of Wildlife Diseases. 47(3):774-776.
  2. Tadesse, D., Bahnson, P., Funk, J., Thakur, S., Morrow, W. E. M., Wittum, T., DeGraves, F., Paivi Rajala-Schultz, P. J., and Gebreyes, W. A. (2011). Prevalence and Antimicrobial Resistance Profile of Campylobacter spp. Isolated from Conventional and Antimicrobial Free Production Systems from Different U.S. Regions. Foodborne Pathogens and Disease. 8(3):367-374.



  1. Thakur, S., and Gebreyes, W. (2010). Phenotypic and Genotypic heterogeneity of Campylobacter coli within individual pigs at farm and slaughter. Zoonoses and Public Health. 57 Suppl 1: 100-106.
  2. Thakur, S., Putnam, M., Fry, P., Abley, M. and Gebreyes, W. (2010). Prevalence of antimicrobial resistance and association with toxin genes in Clostridium difficile in commercial swine. American Journal of Veterinary Research. 71:1189-1194.
  3. Thakur, S., Zhao, S., McDermott, P., Harbottle, H., Abbott, J., English, L., Gebreyes, W. and White, D. (2010). Antimicrobial resistance, virulence, and genotypic profile comparison of Campylobacter jejuni and Campylobacter coli isolated from humans and retail meats. Foodborne Pathogens and Disease. 7:835-844.
  4. Alali, W. Q., Thakur, S., Berghaus, R. D., Martin, M. P. and Gebreyes, W. A. (2010). Prevalence and Distribution of Salmonella in Organic and Conventional Broiler Poultry Farms. Foodborne Pathogens and Disease. 7(11):1363-1371.


  1. Thakur, S., Kroft, B., White, D., Zhao, S., McDermott, P., Gebreyes, W., Abbott, J., Cullen, P., English, L., Carter, P. and Harbottle, H. (2009).Genotyping of Campylobacter coli isolated from Humans and Retail Meats Using Multi Locus Sequence Typing and Pulsed Field Gel Electrophoresis. Journal of Applied Microbiology. 106:1722-1733
  2. Gebreyes, W., Thakur, S., Dorr, P., Tadesse, D., Post, K. and Wolf, L. (2009). Occurrence of virulence gene spvA and role on the clinical significance of multi-drug resistant Salmonella. Journal of Clinical Microbiology. 47 (3):777-780
  3. Dorr, P., Tadesse, D., Zewde, B., Fry, P., Thakur, S. and Gebreyes, W. (2009). Longitudinal Study on Salmonella dispersion and the role of environmental contamination in commercial swine production systems. Applied Environmental Microbiology. 75 (6): 1478-148



  1. Thakur, S., Tadesse, D. A., Morrow, W. E. M., and Gebreyes, W. A. (2007). Occurrence of multidrug resistant Salmonella in antimicrobial-free (ABF) swine production systems. Veterinary Microbiology. 125(3-4):362-367



  1. Thakur, S., Morrow, W. E. M., Funk, J. A., Bahnson, P. B. and Gebreyes, W. A. (2006). Molecular Epidemiologic investigation of Campylobacter coli in swine production systems using Multi-Locus Sequence Typing (MLST). Applied Environmental Microbiology. 72(8): 5666-5669
  2. Harbottle, H., Thakur, S., Zhao, S. and White, D. G. (2006). Genetics of antimicrobial resistance. Animal Biotechnology. 17: 1-12
  3. Gebreyes, W. A., Thakur, S.. and Morrow, W. E. M. (2006). Comparison of prevalence, antimicrobial resistance and occurrence of multi-drug resistant Salmonella in antimicrobial-free and conventional pig production. Journal of Food Protection. 69(4): 743-748
  4. Gebreyes, W. A., Altier, C. and Thakur, S. (2006). Molecular epidemiology and diversity of Salmonella serovar Typhimurium in pigs using phenotypic and genotypic approaches. Epidemiology and Infection. 134 (1): 187-198



  1. Thakur, S., and Gebreyes, W. A. (2005). Campylobacter coli in Swine Production: Antimicrobial Resistance Mechanisms and Molecular Epidemiology. Journal of Clinical Microbiology. 43 (11): 5705-5714
  2. Thakur, S., and Gebreyes, W. A. (2005). Prevalence and Antimicrobial resistance of Campylobacter in antimicrobial-free and conventional pig production systems. Journal of Food Protection. 68 (11): 2402-2410
  3. Gebreyes, W. A., Thakur, S. and Morrow, W. E. M. (2005). Campylobacter coli: Prevalence and Antimicrobial Resistance in Antimicrobial Free (ABF) Swine Production Systems. Journal of Antimicrobial Chemotherapy. 56 (4): 765-768
  4. Gebreyes, W. A. and Thakur, S. (2005). Multi-drug Resistant Salmonella enterica serovar Muenchen from Pigs and Humans and Evidence of Inter-serovar Transfer of Antimicrobial Resistance. Antimicrobial Agents and Chemotherapy. 49 (2): 503-511



  1. Gebreyes, W. A., Thakur, S., Davies, P. R., Funk, J. A. and Altier, C. (2004). Trends in antimicrobial resistance, phage types and integrons among Salmonella serotypes from pigs, 1997-2000. Journal of Antimicrobial Chemotherapy. 53 (6): 997-1003
  2. Gebreyes, W. A., Davies, P. R., Turkson, P. K., Morrow, W. E., Funk, J. A., Altier, C. and Thakur, S. (2004). Characterization of antimicrobial-resistant phenotypes and genotypes among Salmonella enterica recovered from pigs on farms, from transport trucks, and from pigs after slaughter. Journal of Food Protection. 67 (4): 698-705



  1. Gebreyes, W. A. and Thakur, S. (2003). Molecular Epidemiology of Multi-drug resistant Salmonella enterica serovar Typhimurium isolated from Swine and Humans. Infection, Genetics and Evolution. 2: 43