Siddhartha Thakur

Summary

Affiliation: North Carolina State University
Country: USA

Publications

  1. pmc Phylogenetic analysis reveals common antimicrobial resistant Campylobacter coli population in antimicrobial-free (ABF) and commercial swine systems
    Macarena P Quintana-Hayashi
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
    PLoS ONE 7:e44662. 2012
  2. doi request reprint Farm and environmental distribution of Campylobacter and Salmonella in broiler flocks
    S Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, United States
    Res Vet Sci 94:33-42. 2013
  3. doi request reprint Prevalence of antimicrobial resistance and association with toxin genes in Clostridium difficile in commercial swine
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University Raleigh, NC 27606, USA
    Am J Vet Res 71:1189-94. 2010
  4. doi request reprint Antimicrobial resistance, virulence, and genotypic profile comparison of Campylobacter jejuni and Campylobacter coli isolated from humans and retail meats
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina 27606, USA
    Foodborne Pathog Dis 7:835-44. 2010
  5. pmc Occurrence of spvA virulence gene and clinical significance for multidrug-resistant Salmonella strains
    Wondwossen A Gebreyes
    The Ohio State University, College of Veterinary Medicine, Department of Veterinary Preventive Medicine, Columbus, Ohio, USA
    J Clin Microbiol 47:777-80. 2009
  6. pmc Campylobacter coli in swine production: antimicrobial resistance mechanisms and molecular epidemiology
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough St, Raleigh, NC 27606, USA
    J Clin Microbiol 43:5705-14. 2005
  7. pmc Molecular epidemiologic investigation of Campylobacter coli in swine production systems, using multilocus sequence typing
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606, USA
    Appl Environ Microbiol 72:5666-9. 2006
  8. pmc Longitudinal study of distributions of similar antimicrobial-resistant Salmonella serovars in pigs and their environment in two distinct swine production systems
    Shivaramu Keelara
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
    Appl Environ Microbiol 79:5167-78. 2013
  9. ncbi request reprint Trends in antimicrobial resistance, phage types and integrons among Salmonella serotypes from pigs, 1997-2000
    Wondwossen A Gebreyes
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, NC 27606, USA
    J Antimicrob Chemother 53:997-1003. 2004
  10. ncbi request reprint Comparison of prevalence, antimicrobial resistance, and occurrence of multidrug-resistant Salmonella in antimicrobial-free and conventional pig production
    Wondwossen A Gebreyes
    College of Veterinary Medicine, Department of Population Health and Pathobiology, North Carolina State University, Raleigh 27606, USA
    J Food Prot 69:743-8. 2006

Collaborators

Detail Information

Publications16

  1. pmc Phylogenetic analysis reveals common antimicrobial resistant Campylobacter coli population in antimicrobial-free (ABF) and commercial swine systems
    Macarena P Quintana-Hayashi
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, United States of America
    PLoS ONE 7:e44662. 2012
    ..This could potentially explain the high prevalence of antimicrobial resistant C. coli in the ABF system in the absence of antimicrobial selection pressure...
  2. doi request reprint Farm and environmental distribution of Campylobacter and Salmonella in broiler flocks
    S Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27607, United States
    Res Vet Sci 94:33-42. 2013
    ..jejuni isolates. The low prevalence of Campylobacter and Salmonella in the outdoor environment indicates that it may not be a significant reservoir for transmission of these pathogens on broiler farms...
  3. doi request reprint Prevalence of antimicrobial resistance and association with toxin genes in Clostridium difficile in commercial swine
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University Raleigh, NC 27606, USA
    Am J Vet Res 71:1189-94. 2010
    ..To estimate prevalence and determine association between antimicrobia resistance and toxin gene profile of Clostridium difficile in commercial pigs at the preharvest food-safety level...
  4. doi request reprint Antimicrobial resistance, virulence, and genotypic profile comparison of Campylobacter jejuni and Campylobacter coli isolated from humans and retail meats
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina 27606, USA
    Foodborne Pathog Dis 7:835-44. 2010
    ..jejuni and C. coli isolates indicate that there are sources other than retail meats that may also contribute to human Campylobacter infections...
  5. pmc Occurrence of spvA virulence gene and clinical significance for multidrug-resistant Salmonella strains
    Wondwossen A Gebreyes
    The Ohio State University, College of Veterinary Medicine, Department of Veterinary Preventive Medicine, Columbus, Ohio, USA
    J Clin Microbiol 47:777-80. 2009
    ..The findings suggest that MDR strains that also carry specific virulence factors are more likely to be of clinical significance...
  6. pmc Campylobacter coli in swine production: antimicrobial resistance mechanisms and molecular epidemiology
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough St, Raleigh, NC 27606, USA
    J Clin Microbiol 43:5705-14. 2005
    ..coli strains exhibiting resistance to ciprofloxacin and erythromycin are concerning, since these are the drugs of choice for treating invasive campylobacteriosis cases in humans...
  7. pmc Molecular epidemiologic investigation of Campylobacter coli in swine production systems, using multilocus sequence typing
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, NC 27606, USA
    Appl Environ Microbiol 72:5666-9. 2006
    ..Sequence type (ST) 1413 was predominant and observed among ciprofloxacin-resistant strains. We identified a C. coli ST 828 clonal complex consisting of isolates from both production systems...
  8. pmc Longitudinal study of distributions of similar antimicrobial-resistant Salmonella serovars in pigs and their environment in two distinct swine production systems
    Shivaramu Keelara
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
    Appl Environ Microbiol 79:5167-78. 2013
    ..Furthermore, the phenotypic and genotypic fingerprint profile results underscore the potential role played by environmental factors in dissemination of AR Salmonella to pigs...
  9. ncbi request reprint Trends in antimicrobial resistance, phage types and integrons among Salmonella serotypes from pigs, 1997-2000
    Wondwossen A Gebreyes
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, NC 27606, USA
    J Antimicrob Chemother 53:997-1003. 2004
    ..The objectives of this study were to determine antimicrobial resistance and to identify phage types and class 1 integrons among non-typhoidal Salmonella isolates from 24 pig farms in North Carolina collected between 1997 and 2000...
  10. ncbi request reprint Comparison of prevalence, antimicrobial resistance, and occurrence of multidrug-resistant Salmonella in antimicrobial-free and conventional pig production
    Wondwossen A Gebreyes
    College of Veterinary Medicine, Department of Population Health and Pathobiology, North Carolina State University, Raleigh 27606, USA
    J Food Prot 69:743-8. 2006
    ..A longitudinal study with a representative sample size is needed to reach more conclusive results of the associations detected in this study...
  11. pmc Longitudinal study of the persistence of antimicrobial-resistant campylobacter strains in distinct Swine production systems on farms, at slaughter, and in the environment
    Macarena P Quintana-Hayashi
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina, USA
    Appl Environ Microbiol 78:2698-705. 2012
    ..In summary, our results highlight the persistence and dissemination of AR Campylobacter from farm to slaughter in ABF and conventionally raised pigs and their environments...
  12. ncbi request reprint Campylobacter coli: prevalence and antimicrobial resistance in antimicrobial-free (ABF) swine production systems
    Wondwossen A Gebreyes
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough St, Raleigh, NC 27606, USA
    J Antimicrob Chemother 56:765-8. 2005
    ..In the ABF system, antimicrobials are neither used for growth promotion nor therapeutic purposes...
  13. ncbi request reprint Prevalence and antimicrobial resistance of Campylobacter in antimicrobial-free and conventional pig production systems
    Siddhartha Thakur
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, North Carolina 27606, USA
    J Food Prot 68:2402-10. 2005
    ..coli in both conventional and ABF pig production systems and have significant implications for the persistence of antimicrobial-resistant Campylobacter in the pig production environment regardless of levels of antimicrobial use...
  14. pmc Multidrug-resistant Salmonella enterica serovar Muenchen from pigs and humans and potential interserovar transfer of antimicrobial resistance
    Wondwossen A Gebreyes
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough St, Raleigh, NC 27606, USA
    Antimicrob Agents Chemother 49:503-11. 2005
    ..The MDR strains from the two host species independently represent public health concerns, as Salmonella serovar Muenchen is among the top 10 causes of salmonellosis in humans...
  15. ncbi request reprint Characterization of antimicrobial-resistant phenotypes and genotypes among Salmonella enterica recovered from pigs on farms, from transport trucks, and from pigs after slaughter
    Wondwossen A Gebreyes
    Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, 4700 Hillsborough Street, Raleigh, North Carolina 27606, USA
    J Food Prot 67:698-705. 2004
    ..Class I integrons were also common among various serovars...
  16. doi request reprint Comparative phenotypic and genotypic characterization of temporally related nontyphoidal Salmonella isolated from human clinical cases, pigs, and the environment in North Carolina
    Shivaramu Keelara
    1 Department of Population Health and Pathobiology, College of Veterinary Medicine, North Carolina State University, Raleigh, North Carolina
    Foodborne Pathog Dis 11:156-64. 2014
    ..Detection of AMR Salmonella isolates from humans, pigs, and the environment is a concern for clinicians and veterinarians to mitigate the dissemination of AMR Salmonella strains...