Animal & Veterinary

Recent Publications

J. A. Crump, F. M. Medalla, K. W. Joyce, A. L. Krueger, R. M. Hoekstra, J. M. Whichard, and E. J. Barzilay. Antimicrobial resistance among invasive nontyphoidal Salmonella enterica isolates in the United States: National Antimicrobial Resistance Monitoring System, 1996 to 2007. Antimicrob.Agents Chemother. 55 (3):1148-1154, 2011. PMID 21199924

J. A. Davis, C. R. Jackson, P. J. Fedorka-Cray, J. B. Barrett, J. H. Brousse, J. Gustafson, and M. Kucher. Anatomical distribution and genetic relatedness of antimicrobial-resistant Escherichia coli from healthy companion animals. J Appl.Microbiol. 110 (2):597-604, 2011. PMID 21208353

J. P. Folster, G. Pecic, E. Taylor, and J. Whichard. Characterization of isolates from a multi-drug resistant outbreak of Shiga toxin-producing Escherichia coli O145 infections in the United States. Antimicrob.Agents Chemother., 2011.

J. P. Folster, G. Pecic, A. Bowen, R. Rickert, A. Carattoli, and J. M. Whichard. Decreased Susceptibility to Ciprofloxacin among Shigella Isolates in the United States, 2006 to 2009. Antimicrob.Agents Chemother. 55 (4):1758-1760, 2011. PMID 21220535

J. P. Folster, G. Pecic, A. McCullough, R. Rickert, and J. M. Whichard. Characterization of bla(CMY)-Encoding Plasmids Among Salmonella Isolated in the United States in 2007. Foodborne Pathog.Dis., 2011. PMID 21883005

J. G. Frye, R. L. Lindsey, R. J. Meinersmann, M. E. Berrang, C. R. Jackson, M. D. Englen, J. B. Turpin, and P. J. Fedorka-Cray. Related Antimicrobial Resistance Genes Detected in Different Bacterial Species Co-isolated from Swine Fecal Samples. Foodborne Pathog.Dis., 2011. PMID 21385089

L. M. Glenn, R. L. Lindsey, J. F. Frank, R. J. Meinersmann, M. D. Englen, P. J. Fedorka-Cray, and J. G. Frye. Analysis of antimicrobial resistance genes detected in multidrug-resistant Salmonella enterica serovar Typhimurium isolated from food animals. Microb.Drug Resist. 17 (3):407-418, 2011. PMID 21457076

C. R. Jackson, J. E. Lombard, D. A. Dargatz, and P. J. Fedorka-Cray. Prevalence, species distribution and antimicrobial resistance of enterococci isolated from US dairy cattle. Lett.Appl.Microbiol 52 (1):41-48, 2011. PMID 21114506

A.L. Krueger, J. Folster, F. Medalla, K. Joyce, M. B. Perri, L. Johnson, M. Zervos, J. M. Whichard, and E. J. Barzilay. Commensal Escherichia coli isolate resistant to eight classes of antimicrobial agents in the United States. Foodborne Pathog.Dis. 8 (2):329-332, 2011. PMID 20973731

R. L. Lindsey, J. G. Frye, S. N. Thitaram, R. J. Meinersmann, P. J. Fedorka-Cray, and M. D. Englen. Characterization of Multidrug-Resistant Escherichia coli by Antimicrobial Resistance Profiles, Plasmid Replicon Typing, and Pulsed-Field Gel Electrophoresis. Microb.Drug Resist., 2011. PMID 21332363

R. L. Lindsey, J. G. Frye, P. J. Fedorka-Cray, and R. J. Meinersmann. Microarray-based analysis of IncA/C plasmid-associated genes from multidrug-resistant Salmonella enterica. Appl.Environ.Microbiol. 77 (19):6991-6999, 2011. PMID 21841024

F. Medalla, M. Sjolund-Karlsson, S. Shin, E. Harvey, K. Joyce, L. Theobald, B. N. Nygren, G. Pecic, K. Gay, J. Austin, A. Stuart, E. Blanton, E. D. Mintz, J. M. Whichard, and E. J. Barzilay. Ciprofloxacin-resistant Salmonella enterica Serotype Typhi, United States, 1999-2008. Emerg.Infect.Dis. 17 (6):1095-1098, 2011. PMID 21749779

M. Sjolund-Karlsson, K. Joyce, K. Blickenstaff, T. Ball, J. Haro, F. M. Medalla, P. Fedorka-Cray, S. Zhao, J. A. Crump, and J. M. Whichard. Antimicrobial susceptibility to azithromycin among Salmonella enterica isolates from the United States. Antimicrob.Agents Chemother. 55 (9):3985-3989, 2011. PMID 21690279

M. Sjolund-Karlsson, R. Howie, A. Krueger, R. Rickert, G. Pecic, K. Lupoli, J. P. Folster, and J. M. Whichard. CTX-M-producing non-Typhi Salmonella spp. isolated from humans, United States. Emerg.Infect.Dis. 17 (1):97-99, 2011. PMID 21192864

X. Xia, J. Meng, S. Zhao, S. Bodeis-Jones, S. A. Gaines, S. L. Ayers, and P. F. McDermott. Identification and Antimicrobial Resistance of Extraintestinal Pathogenic Escherichia coli from Retail Meats. J Food Prot. 74 (1):38-44, 2011. PMID 21219761

N. A. Cox, L. J. Richardson, J. A. Cason, R. J. Buhr, Y. Vizzier-Thaxton, D. P. Smith, P. J. Fedorka-Cray, C. P. Romanenghi, L. V. Pereira, and M. P. Doyle. Comparison of neck skin excision and whole carcass rinse sampling methods for microbiological evaluation of broiler carcasses before and after immersion chilling. J Food Prot. 73 (5):976-980, 2010. PMID 20501052

M. A. Davis, J. Y. Lim, Y. Soyer, H. Harbottle, Y. F. Chang, D. New, L. H. Orfe, T. E. Besser, and D. R. Call. Development and validation of a resistance and virulence gene microarray targeting Escherichia coli and Salmonella enterica. J Microbiol Methods 82 (1):36-41, 2010. PMID 20362014

J. P. Folster, G. Pecic, A. Krueger, R. Rickert, K. Burger, A. Carattoli, and J. M. Whichard. Identification and characterization of CTX-M-producing Shigella isolates in the United States. Antimicrob.Agents Chemother. 54 (5):2269-2270, 2010. PMID 20211893

J. P. Folster, G. Pecic, S. Bolcen, L. Theobald, K. Hise, A. Carattoli, S. Zhao, P. F. McDermott, and J. M. Whichard. Characterization of extended-spectrum cephalosporin-resistant Salmonella enterica serovar Heidelberg isolated from humans in the United States. Foodborne Pathog.Dis. 7 (2):181-187, 2010.
PMID 19785533

J. G. Frye, R. L. Lindsey, G. Rondeau, S. Porwollik, F. Long, M. McClelland, C. R. Jackson, M. D. Englen, R. J. Meinersmann, M. E. Berrang, J. A. Davis, J. B. Barrett, J. B. Turpin, S. N. Thitaram, and P. J. Fedorka-Cray. Development of a DNA microarray to detect antimicrobial resistance genes identified in the National Center for Biotechnology Information database. Microb.Drug Resist. 16 (1):9-19, 2010. PMID 19916789

P. Gerner-Smidt and J. M. Whichard. Foodborne disease trends and reports. Foodborne Pathog.Dis. 7 (6):609-611, 2010. PMID 20518696

A. L. Green, D. A. Dargatz, B. A. Wagner, P. J. Fedorka-Cray, S. R. Ladely, and C. A. Kopral. Analysis of risk factors associated with Salmonella spp. isolated from U.S. feedlot cattle. Foodborne Pathog.Dis. 7 (7):825-833, 2010. PMID 20230269

R. L. Howie, J. P. Folster, A. Bowen, E. J. Barzilay, and J. M. Whichard. Reduced Azithromycin Susceptibility in Shigella sonnei, United States. Microb.Drug Resist., 2010. PMID 20624094

R. L. Lindsey, J. G. Frye, P. J. Fedorka-Cray, T. J. Welch, and R. J. Meinersmann. An oligonucleotide microarray to characterize multidrug resistant plasmids. J Microbiol Methods 81 (2):96-100, 2010.
PMID 20138094

N. M. M'ikanatha, C. H. Sandt, A. R. Localio, D. Tewari, S. C. Rankin, J. M. Whichard, S. F. Altekruse, E. Lautenbach, J. P. Folster, A. Russo, T. M. Chiller, S. M. Reynolds, and P. F. McDermott. Multidrug-resistant Salmonella isolates from retail chicken meat compared with human clinical isolates. Foodborne Pathog.Dis. 7 (8):929-934, 2010. PMID 20443729

E. O'Regan, T. Quinn, J. G. Frye, J. M. Pages, S. Porwollik, P. J. Fedorka-Cray, M. McClelland, and S. Fanning. Fitness costs and stability of a high-level ciprofloxacin resistance phenotype in Salmonella enterica serotype enteritidis: reduced infectivity associated with decreased expression of Salmonella pathogenicity island 1 genes. Antimicrob.Agents Chemother. 54 (1):367-374, 2010. PMID 19917752

M. Sjolund-Karlsson, R. Howie, R. Rickert, A. Krueger, T. T. Tran, S. Zhao, T. Ball, J. Haro, G. Pecic, K. Joyce, P. J. Fedorka-Cray, J. M. Whichard, and P. F. McDermott. Plasmid-mediated quinolone resistance among non-Typhi Salmonella enterica isolates, USA. Emerg.Infect.Dis. 16 (11):1789-1791, 2010.
PMID 21029547

M. Sjolund-Karlsson, R. Rickert, C. Matar, G. Pecic, R. L. Howie, K. Joyce, F. Medalla, E. J. Barzilay, and J. M. Whichard. Salmonella Isolates with Decreased Susceptibility to Extended-Spectrum Cephalosporins in the United States. Foodborne Pathog.Dis., 2010. PMID 20704496

S. Thakur, S. Zhao, P. F. McDermott, H. Harbottle, J. Abbott, L. English, W. A. Gebreyes, and D. G. White. Antimicrobial resistance, virulence, and genotypic profile comparison of Campylobacter jejuni and Campylobacter coli isolated from humans and retail meats. Foodborne Pathog.Dis. 7 (7):835-844, 2010. PMID 20367499

J. M. Whichard, F. Medalla, R. M. Hoekstra, P. F. McDermott, K. Joyce, T. Chiller, T. J. Barrett, and D. G. White. Evaluation of antimicrobial resistance phenotypes for predicting multidrug-resistant Salmonella recovered from retail meats and humans in the United States. J Food Prot. 73 (3):445-451, 2010.
PMID 20202328

X. Xia, J. Meng, P. F. McDermott, S. Ayers, K. Blickenstaff, T. T. Tran, J. Abbott, J. Zheng, and S. Zhao. Presence and characterization of shiga toxin-producing Escherichia coli and other potentially diarrheagenic E. coli strains in retail meats. Appl.Environ.Microbiol. 76 (6):1709-1717, 2010.
PMID 20080990

S. Zhao, S. R. Young, E. Tong, J. W. Abbott, N. Womack, S. L. Friedman, and P. F. McDermott. Antimicrobial resistance of Campylobacter isolates from retail meat in the United States between 2002 and 2007. Appl.Environ.Microbiol. 76 (24):7949-7956, 2010. PMID 20971875

J. P. Folster, R. Rickert, E. J. Barzilay, and J. M. Whichard. Identification of the aminoglycoside resistance determinants armA and rmtC among non-Typhi Salmonella isolates from humans in the United States. Antimicrob.Agents Chemother. 53 (10):4563-4564, 2009. PMID 19596870

W. F. Fricke, P. F. McDermott, M. K. Mammel, S. Zhao, T. J. Johnson, D. A. Rasko, P. J. Fedorka-Cray, A. Pedroso, J. M. Whichard, J. E. Leclerc, D. G. White, T. A. Cebula, and J. Ravel. Antimicrobial resistance-conferring plasmids with similarity to virulence plasmids from avian pathogenic Escherichia coli strains in Salmonella enterica serovar Kentucky isolates from poultry. Appl.Environ.Microbiol. 75 (18):5963-5971, 2009. PMID 19648374

W. F. Fricke, T. J. Welch, P. F. McDermott, M. K. Mammel, J. E. Leclerc, D. G. White, T. A. Cebula, and J. Ravel. Comparative genomics of the IncA/C multidrug resistance plasmid family. J Bacteriol. 191 (15):4750-4757, 2009. PMID 19482926

R. S. Hendriksen, A. M. Seyfarth, A. B. Jensen, J. Whichard, S. Karlsmose, K. Joyce, M. Mikoleit, S. M. DeLong, F. X. Weill, A. Aidara-Kane, D. M. Lo Fo Wong, F. J. Angulo, H. C. Wegener, and F. M. Aarestrup. Results of use of WHO Global Salm-Surv external quality assurance system for antimicrobial susceptibility testing of Salmonella isolates from 2000 to 2007. J Clin Microbiol. 47 (1):79-85, 2009. PMID 19020068

J. R. Johnson, J. S. McCabe, D. G. White, B. Johnston, M. A. Kuskowski, and P. McDermott. Molecular Analysis of Escherichia coli from retail meats (2002-2004) from the United States National Antimicrobial Resistance Monitoring System. Clin Infect.Dis. 49 (2):195-201, 2009. PMID 19508167

S. R. Ladely, R. J. Meinersmann, M. D. Englen, P. J. Fedorka-Cray, and M. A. Harrison. 23S rRNA gene mutations contributing to macrolide resistance in Campylobacter jejuni and Campylobacter coli. Foodborne Pathog.Dis. 6 (1):91-98, 2009. PMID 19014274

R. L. Lindsey, P. J. Fedorka-Cray, J. G. Frye, and R. J. Meinersmann. Inc A/C plasmids are prevalent in multidrug-resistant Salmonella enterica isolates. Appl.Environ.Microbiol. 75 (7):1908-1915, 2009. PMID 19181840

P. Petrov, R. S. Hendriksen, T. Kantardjiev, G. Asseva, G. Sorensen, P. Fields, M. Mikoleit, J. Whichard, J. R. McQuiston, M. Torpdahl, F. M. Aarestrup, and F. J. Angulo. Occurrence and characterization of Salmonella enterica subspecies enterica serovar 9,12:l,v:- strains from Bulgaria, Denmark, and the United States. Eur.J Clin.Microbiol Infect.Dis. 28 (5):473-479, 2009. PMID 18998175

L. G. Pittenger, M. D. Englen, C. T. Parker, J. G. Frye, B. Quinones, S. T. Horn, I. Son, P. J. Fedorka-Cray, and M. A. Harrison. Genotyping Campylobacter jejuni by comparative genome indexing: an evaluation with pulsed-field gel electrophoresis and flaA SVR sequencing. Foodborne Pathog.Dis. 6 (3):337-349, 2009. PMID 19272009

M. Sjolund-Karlsson, J. P. Folster, G. Pecic, K. Joyce, F. Medalla, R. Rickert, and J. M. Whichard. Emergence of plasmid-mediated quinolone resistance among non-Typhi Salmonella enterica isolates from humans in the United States. Antimicrob.Agents Chemother. 53 (5):2142-2144, 2009. PMID 19223618

S. Thakur, D. G. White, P. F. McDermott, S. Zhao, B. Kroft, W. Gebreyes, J. Abbott, P. Cullen, L. English, P. Carter, and H. Harbottle. Genotyping of Campylobacter coli isolated from humans and retail meats using multilocus sequence typing and pulsed-field gel electrophoresis. J Appl.Microbiol. 106 (5):1722-1733, 2009. PMID 19226383

T. J. Welch, J. Evenhuis, D. G. White, P. F. McDermott, H. Harbottle, R. A. Miller, M. Griffin, and D. Wise. IncA/C plasmid-mediated florfenicol resistance in the catfish pathogen Edwardsiella ictaluri. Antimicrob.Agents Chemother. 53 (2):845-846, 2009. PMID 19029319

X. Xia, S. Zhao, A. Smith, J. McEvoy, J. Meng, and A. A. Bhagwat. Characterization of Salmonella isolates from retail foods based on serotyping, pulse field gel electrophoresis, antibiotic resistance and other phenotypic properties. Int.J Food Microbiol. 129 (1):93-98, 2009. PMID 19068272

B. Yang, J. Zheng, E. W. Brown, S. Zhao, and J. Meng. Characterisation of antimicrobial resistance-associated integrons and mismatch repair gene mutations in Salmonella serotypes. Int.J Antimicrob.Agents 33 (2):120-124, 2009. PMID 19013057

S. Zhao, K. Blickenstaff, A. Glenn, S. L. Ayers, S. L. Friedman, J. W. Abbott, and P. F. McDermott. beta-Lactam resistance in salmonella strains isolated from retail meats in the United States by the National Antimicrobial Resistance Monitoring System between 2002 and 2006. Appl.Environ.Microbiol. 75 (24):7624-7630, 2009. PMID 19854922

J. Zheng, S. Cui, and J. Meng. Effect of transcriptional activators RamA and SoxS on expression of multidrug efflux pumps AcrAB and AcrEF in fluoroquinolone-resistant Salmonella Typhimurium. J Antimicrob.Chemother. 63 (1):95-102, 2009. PMID 18984645

J. A. Crump, K. Kretsinger, K. Gay, R. M. Hoekstra, D. J. Vugia, S. Hurd, S. D. Segler, M. Megginson, L. J. Luedeman, B. Shiferaw, S. S. Hanna, K. W. Joyce, E. D. Mintz, and F. J. Angulo. Clinical response and outcome of infection with Salmonella enterica serotype Typhi with decreased susceptibility to fluoroquinolones: a United States foodnet multicenter retrospective cohort study. Antimicrob.Agents Chemother. 52 (4):1278-1284, 2008. PMID 18212096

A. Douris, P. J. Fedorka-Cray, and C. R. Jackson. Characterization of Salmonella enterica serovar Agona slaughter isolates from the animal arm of the National Antimicrobial Resistance Monitoring System-Enteric Bacteria (NARMS): 1997 through 2003. Microb.Drug Resist. 14 (1):55-63, 2008. PMID 18321206

S. Egorova, M. Timinouni, M. Demartin, S. A. Granier, J. M. Whichard, V. Sangal, L. Fabre, A. Delaune, M. Pardos, Y. Millemann, E. Espie, M. Achtman, P. A. Grimont, and F. X. Weill. Ceftriaxone-resistant salmonella enterica serotype Newport, France. Emerg.Infect.Dis. 14 (6):954-957, 2008. PMID 18507913

J. G. Frye, P. J. Fedorka-Cray, C. R. Jackson, and M. Rose. Analysis of Salmonella enterica with reduced susceptibility to the third-generation cephalosporin ceftriaxone isolated from U.S. cattle during 2000-2004. Microb.Drug Resist. 14 (4):251-258, 2008. PMID 19025468

S. K. Greene, A. M. Stuart, F. M. Medalla, J. M. Whichard, R. M. Hoekstra, and T. M. Chiller. Distribution of multidrug-resistant human isolates of MDR-ACSSuT Salmonella Typhimurium and MDR-AmpC Salmonella Newport in the United States, 2003-2005. Foodborne Pathog.Dis. 5 (5):669-680, 2008. PMID 18851677

S. K. Gupta, F. Medalla, M. W. Omondi, J. M. Whichard, P. I. Fields, P. Gerner-Smidt, N. J. Patel, K. L. Cooper, T. M. Chiller, and E. D. Mintz. Laboratory-based surveillance of paratyphoid fever in the United States: travel and antimicrobial resistance. Clin Infect.Dis. 46 (11):1656-1663, 2008. PMID 18422453

A. R. Jackson, P. J. Fedorka-Cray, J. B. Barrett, L. M. Hiott, and T. A. Woodley. First report of vatB and vgaB from Enterococcus gallinarum in the USA. Int.J Antimicrob.Agents 31 (2):175-176, 2008.
PMID 18006282

P. Kaldhone, R. Nayak, A. M. Lynne, D. E. David, P. F. McDermott, C. M. Logue, and S. L. Foley. Characterization of Salmonella enterica serovar Heidelberg from turkey-associated sources. Appl.Environ.Microbiol. 74 (16):5038-5046, 2008. PMID 18586966

J. I. Lundin, D. A. Dargatz, B. A. Wagner, J. E. Lombard, A. E. Hill, S. R. Ladely, and P. J. Fedorka-Cray. Antimicrobial drug resistance of fecal Escherichia coli and Salmonella spp. isolates from United States dairy cows. Foodborne Pathog.Dis. 5 (1):7-19, 2008. PMID 18260811

A. M. Lynne, B. S. Rhodes-Clark, K. Bliven, S. Zhao, and S. L. Foley. Antimicrobial resistance genes associated with Salmonella enterica serovar newport isolates from food animals. Antimicrob.Agents Chemother. 52 (1):353-356, 2008. PMID 17967918

P. F. McDermott, L. M. McMurry, I. Podglajen, J. L. Dzink-Fox, T. Schneiders, M. P. Draper, and S. B. Levy. The marC gene of Escherichia coli is not involved in multiple antibiotic resistance. Antimicrob.Agents Chemother. 52 (1):382-383, 2008. PMID 17954692

J. Rubin, R. D. Walker, K. Blickenstaff, S. Bodeis-Jones, and S. Zhao. Antimicrobial resistance and genetic characterization of fluoroquinolone resistance of Pseudomonas aeruginosa isolated from canine infections. Vet.Microbiol. 131 (1-2):164-172, 2008. PMID 18395369

M. Sjolund, J. Yam, J. Schwenk, K. Joyce, F. Medalla, E. Barzilay, and J. M. Whichard. Human Salmonella infection yielding CTX-M beta-lactamase, United States. Emerg.Infect.Dis. 14 (12):1957-1959, 2008. PMID 19046536

A. A. Wagner, B. E. Straw, P. J. Fedorka-Cray, and D. A. Dargatz. Effect of antimicrobial dosage regimen on Salmonella and Escherichia coli isolates from feeder swine. Appl.Environ.Microbiol. 74 (6):1731-1739, 2008. PMID 18223115

D. F. Woods, F. J. Reen, D. Gilroy, J. Buckley, J. G. Frye, and E. F. Boyd. Rapid multiplex PCR and real-time TaqMan PCR assays for detection of Salmonella enterica and the highly virulent serovars Choleraesuis and Paratyphi C. J Clin Microbiol. 46 (12):4018-4022, 2008. PMID 18923008

M. Xi, J. Zheng, S. Zhao, E. W. Brown, and J. Meng. An enhanced discriminatory pulsed-field gel electrophoresis scheme for subtyping Salmonella serotypes Heidelberg, Kentucky, SaintPaul, and Hadar. J Food Prot. 71 (10):2067-2072, 2008. PMID 18939754

M. B. Zaidi, J. J. Calva, M. T. Estrada-Garcia, V. Leon, G. Vazquez, G. Figueroa, E. Lopez, J. Contreras, J. Abbott, S. Zhao, P. McDermott, and L. Tollefson. Integrated food chain surveillance system for Salmonella spp. in Mexico. Emerg.Infect.Dis. 14 (3):429-435, 2008. PMID 18325258

S. Zhao, D. G. White, S. L. Friedman, A. Glenn, K. Blickenstaff, S. L. Ayers, J. W. Abbott, E. Hall-Robinson, and P. F. McDermott. Antimicrobial resistance in Salmonella enterica serovar Heidelberg isolates from retail meats, including poultry, from 2002 to 2006. Appl.Environ.Microbiol. 74 (21):6656-6662, 2008.
PMID 18757574

J. Zheng, S. Cui, L. D. Teel, S. Zhao, R. Singh, A. D. O'Brien, and J. Meng. Identification and characterization of Shiga toxin type 2 variants in Escherichia coli isolates from animals, food, and humans. Appl.Environ.Microbiol. 74 (18):5645-5652, 2008. PMID 18658282

J. Zheng, J. Meng, S. Zhao, R. Singh, and W. Song. Campylobacter-induced interleukin-8 secretion in polarized human intestinal epithelial cells requires Campylobacter-secreted cytolethal distending toxin- and Toll-like receptor-mediated activation of NF-kappaB. Infect.Immun. 76 (10):4498-4508, 2008.
PMID 18644884

A. Zioga, J. M. Whichard, K. J. Joyce, E. Tzelepi, L. S. Tzouvelekis, and V. Miriagou. Evidence for chromosomal and plasmid location of CMY-2 cephalosporinase gene in Salmonella serotype Typhimurium. J Antimicrob.Chemother. 61 (6):1389-1390, 2008. PMID 18349038

F. M. Aarestrup, R. S. Hendriksen, J. Lockett, K. Gay, K. Teates, P. F. McDermott, D. G. White, H. Hasman, G. Sorensen, A. Bangtrakulnonth, S. Pornreongwong, C. Pulsrikarn, F. J. Angulo, and P. Gerner-Smidt. International spread of multidrug-resistant Salmonella Schwarzengrund in food products. Emerg.Infect.Dis. 13 (5):726-731, 2007. PMID 17553251

S. Chen, S. Cui, P. F. McDermott, S. Zhao, D. G. White, I. Paulsen, and J. Meng. Contribution of target gene mutations and efflux to decreased susceptibility of Salmonella enterica serovar typhimurium to fluoroquinolones and other antimicrobials. Antimicrob.Agents Chemother. 51 (2):535-542, 2007. PMID 17043131

A. Douris, P. J. Fedorka-Cray, and C. R. Jackson. Detection of plasmids and class 1 integrons in Salmonella enterica serovar agona isolated from NARMS slaughter samples collected in the years 1997-2003. Microb.Drug Resist. 13 (3):212-219, 2007. PMID 17949309

M. D. Englen, A. E. Hill, D. A. Dargatz, S. R. Ladely, and P. J. Fedorka-Cray. Prevalence and antimicrobial resistance of Campylobacter in US dairy cattle. J Appl.Microbiol. 102 (6):1570-1577, 2007. PMID 17578422

I. Feder, J. T. Gray, R. A. Pearce, P. M. Fratamico, E. Bush, A. Porto-Fett, F. M. Wallace, P. J. Fedorka-Cray, and J. B. Luchansky. Testing of swine feces obtained through the National Animal Health Monitoring System's Swine 2000 study for the presence of Escherichia coli O157:H7. J Food Prot. 70 (6):1489-1492, 2007. PMID 17612081

J. G. Frye and P. J. Fedorka-Cray. Prevalence, distribution and characterisation of ceftiofur resistance in Salmonella enterica isolated from animals in the USA from 1999 to 2003. Int.J Antimicrob.Agents 30 (2):134-142, 2007. PMID 17531447

J. Guard-Bouldin, C. A. Morales, J. G. Frye, R. K. Gast, and M. Musgrove. Detection of Salmonella enterica subpopulations by phenotype microarray antibiotic resistance patterns. Appl.Environ.Microbiol. 73 (23):7753-7756, 2007. PMID 17965201

C. R. Jackson, P. J. Fedorka-Cray, J. B. Barrett, L. M. Hiott, and T. A. Woodley. Prevalence of streptogramin resistance in enterococci from animals: identification of vatD from animal sources in the USA. Int.J Antimicrob.Agents 30 (1):60-66, 2007. PMID 17532190

C.R. Jackson, P. J. Fedorka-Cray, N. Wineland, J. D. Tankson, J. B. Barrett, A. Douris, C. P. Gresham, C. Jackson-Hall, B. M. McGlinchey, and M. V. Price. Introduction to United States Department of Agriculture VetNet: status of Salmonella and Campylobacter databases from 2004 through 2005. Foodborne Pathog.Dis. 4 (2):241-248, 2007. PMID 17600492

J. M. Nelson, T. M. Chiller, J. H. Powers, and F. J. Angulo. Fluoroquinolone-resistant Campylobacter species and the withdrawal of fluoroquinolones from use in poultry: a public health success story. Clin Infect.Dis. 44 (7):977-980, 2007. PMID 17342653

S. Simjee, P. F. McDermott, D. G. White, C. Hofacre, R. D. Berghaus, P. J. Carter, L. Stewart, T. Liu, M. Maier, and J. J. Maurer. Antimicrobial susceptibility and distribution of antimicrobial-resistance genes among Enterococcus and coagulase-negative Staphylococcus isolates recovered from poultry litter. Avian Dis. 51 (4):884-892, 2007. PMID 18251398

J. E. Stevenson, K. Gay, T. J. Barrett, F. Medalla, T. M. Chiller, and F. J. Angulo. Increase in nalidixic acid resistance among non-Typhi Salmonella enterica isolates in the United States from 1996 to 2003. Antimicrob.Agents Chemother. 51 (1):195-197, 2007. PMID 17088493

T. J. Welch, W. F. Fricke, P. F. McDermott, D. G. White, M. L. Rosso, D. A. Rasko, M. K. Mammel, M. Eppinger, M. J. Rosovitz, D. Wagner, L. Rahalison, J. E. Leclerc, J. M. Hinshaw, L. E. Lindler, T. A. Cebula, E. Carniel, and J. Ravel. Multiple antimicrobial resistance in plague: an emerging public health risk. PLoS One 2 (3):e309, 2007. PMID 17375195

J. M. Whichard, K. Gay, J. E. Stevenson, K. J. Joyce, K. L. Cooper, M. Omondi, F. Medalla, G. A. Jacoby, and T. J. Barrett. Human Salmonella and concurrent decreased susceptibility to quinolones and extended-spectrum cephalosporins. Emerg.Infect.Dis. 13 (11):1681-1688, 2007. PMID 18217551

P. L. White, A. L. Naugle, C. R. Jackson, P. J. Fedorka-Cray, B. E. Rose, K. M. Pritchard, P. Levine, P. K. Saini, C. M. Schroeder, M. S. Dreyfuss, R. Tan, K. G. Holt, J. Harman, and S. Buchanan. Salmonella Enteritidis in meat, poultry, and pasteurized egg products regulated by the U.S. Food Safety and Inspection Service, 1998 through 2003. J Food Prot. 70 (3):582-591, 2007. PMID 17388045

M. B. Zaidi, V. Leon, C. Canche, C. Perez, S. Zhao, S. K. Hubert, J. Abbott, K. Blickenstaff, and P. F. McDermott. Rapid and widespread dissemination of multidrug-resistant blaCMY-2 Salmonella Typhimurium in Mexico. J Antimicrob.Chemother. 60 (2):398-401, 2007. PMID 17526503

S. Zhao, P. F. McDermott, D. G. White, S. Qaiyumi, S. L. Friedman, J. W. Abbott, A. Glenn, S. L. Ayers, K. W. Post, W. H. Fales, R. B. Wilson, C. Reggiardo, and R. D. Walker. Characterization of multidrug resistant Salmonella recovered from diseased animals. Vet.Microbiol. 123 (1-3):122-132, 2007. PMID 17400409

J. Zheng, C. E. Keys, S. Zhao, J. Meng, and E. W. Brown. Enhanced subtyping scheme for Salmonella enteritidis. Emerg.Infect.Dis. 13 (12):1932-1935, 2007. PMID 18258051

G. Arlet, T. J. Barrett, P. Butaye, A. Cloeckaert, M. R. Mulvey, and D. G. White. Salmonella resistant to extended-spectrum cephalosporins: prevalence and epidemiology. Microbes Infect. 8 (7):1945-1954, 2006. PMID 16714134

P. B. Bahnson, P. J. Fedorka-Cray, S. R. Ladely, and N. E. Mateus-Pinilla. Herd-level risk factors for Salmonella enterica subsp. enterica in U.S. market pigs. Prev.Vet.Med 76 (3-4):249-262, 2006. PMID 16828183

P. Butaye, G. B. Michael, S. Schwarz, T. J. Barrett, A. Brisabois, and D. G. White. The clonal spread of multidrug-resistant non-typhi Salmonella serotypes. Microbes Infect. 8 (7):1891-1897, 2006. PMID 16714135

A. Carattoli, V. Miriagou, A. Bertini, A. Loli, C. Colinon, L. Villa, J. M. Whichard, and G. M. Rossolini. Replicon typing of plasmids encoding resistance to newer beta-lactams. Emerg.Infect.Dis. 12 (7):1145-1148, 2006. PMID 16836838

S. M. Donabedian, M. B. Perri, D. Vager, E. Hershberger, P. Malani, S. Simjee, J. Chow, E. N. Vergis, R. R. Muder, K. Gay, F. J. Angulo, P. Bartlett, and M. J. Zervos. Quinupristin-dalfopristin resistance in Enterococcus faecium isolates from humans, farm animals, and grocery store meat in the United States. J Clin Microbiol. 44 (9):3361-3365, 2006. PMID 16954273

S. L. Foley, D. G. White, P. F. McDermott, R. D. Walker, B. Rhodes, P. J. Fedorka-Cray, S. Simjee, and S. Zhao. Comparison of subtyping methods for differentiating Salmonella enterica serovar Typhimurium isolates obtained from food animal sources. J Clin Microbiol. 44 (10):3569-3577, 2006. PMID 17021084

J. G. Frye, T. Jesse, F. Long, G. Rondeau, S. Porwollik, M. McClelland, C. R. Jackson, M. Englen, and P. J. Fedorka-Cray. DNA microarray detection of antimicrobial resistance genes in diverse bacteria. Int.J Antimicrob.Agents 27 (2):138-151, 2006. PMID 16427254

K. Gay, A. Robicsek, J. Strahilevitz, C. H. Park, G. Jacoby, T. J. Barrett, F. Medalla, T. M. Chiller, and D. C. Hooper. Plasmid-mediated quinolone resistance in non-Typhi serotypes of Salmonella enterica. Clin Infect.Dis. 43 (3):297-304, 2006. PMID 16804843

A. Ge, W. Girard, S. Zhao, S. Friedman, S. A. Gaines, and J. Meng. Genotyping of Campylobacter spp. from retail meats by pulsed-field gel electrophoresis and ribotyping. J Appl.Microbiol. 100 (1):175-184, 2006. PMID 16405698

H. Harbottle, D. G. White, P. F. McDermott, R. D. Walker, and S. Zhao. Comparison of multilocus sequence typing, pulsed-field gel electrophoresis, and antimicrobial susceptibility typing for characterization of Salmonella enterica serotype Newport isolates. J Clin Microbiol. 44 (7):2449-2457, 2006. PMID 16825363

T. W. Jesse, M. D. Englen, L. G. Pittenger-Alley, and P. J. Fedorka-Cray. Two distinct mutations in gyrA lead to ciprofloxacin and nalidixic acid resistance in Campylobacter coli and Campylobacter jejuni isolated from chickens and beef cattle. J Appl.Microbiol. 100 (4):682-688, 2006. PMID 16553723

T. W. Jesse, L. G. Pittenger-Alley, and M. D. Englen. Sequence analysis of two cryptic plasmids from an agricultural isolate of Campylobacter coli. Plasmid 55 (1):64-69, 2006. PMID 16120460

S. Kim, J. G. Frye, J. Hu, P. J. Fedorka-Cray, R. Gautom, and D. S. Boyle. Multiplex PCR-based method for identification of common clinical serotypes of Salmonella enterica subsp. enterica. J Clin Microbiol. 44 (10):3608-3615, 2006. PMID 16943358

T. Luangtongkum, T. Y. Morishita, A. J. Ison, S. Huang, P. F. McDermott, and Q. Zhang. Effect of conventional and organic production practices on the prevalence and antimicrobial resistance of Campylobacter spp. in poultry. Appl.Environ.Microbiol. 72 (5):3600-3607, 2006. PMID 16672508

W. G. Miller, M. D. Englen, S. Kathariou, I. V. Wesley, G. Wang, L. Pittenger-Alley, R. M. Siletz, W. Muraoka, P. J. Fedorka-Cray, and R. E. Mandrell. Identification of host-associated alleles by multilocus sequence typing of Campylobacter coli strains from food animals. Microbiology 152 (Pt 1):245-255, 2006. PMID 16385134

X. Qin, Y. Razia, J. R. Johnson, J. R. Stapp, D. R. Boster, T. Tsosie, D. L. Smith, C. R. Braden, K. Gay, F. J. Angulo, and P. I. Tarr. Ciprofloxacin-resistant gram-negative bacilli in the fecal microflora of children. Antimicrob.Agents Chemother. 50 (10):3325-3329, 2006. PMID 17005812

S. Simjee, Y. Zhang, P. F. McDermott, S. M. Donabedian, M. J. Zervos, and J. Meng. Heterogeneity of vat(E)-carrying plasmids in Enterococcus faecium recovered from human and animal sources. Int.J Antimicrob.Agents 28 (3):200-205, 2006. PMID 16911866

S. Sivapalasingam, J. M. Nelson, K. Joyce, M. Hoekstra, F. J. Angulo, and E. D. Mintz. High prevalence of antimicrobial resistance among Shigella isolates in the United States tested by the National Antimicrobial Resistance Monitoring System from 1999 to 2002. Antimicrob.Agents Chemother. 50 (1):49-54, 2006. PMID 16377666

B. Swaminathan, T. J. Barrett, and P. Fields. Surveillance for human Salmonella infections in the United States. J AOAC.Int. 89 (2):553-559, 2006. PMID 16640306

J. K. Varma, R. Marcus, S. A. Stenzel, S. S. Hanna, S. Gettner, B. J. Anderson, T. Hayes, B. Shiferaw, T. L. Crume, K. Joyce, K. E. Fullerton, A. C. Voetsch, and F. J. Angulo. Highly resistant Salmonella Newport-MDRAmpC transmitted through the domestic US food supply: a FoodNet case-control study of sporadic Salmonella Newport infections, 2002-2003. J Infect.Dis. 194 (2):222-230, 2006. PMID 16779729

M. B. Zaidi, P. F. McDermott, P. Fedorka-Cray, V. Leon, C. Canche, S. K. Hubert, J. Abbott, M. Leon, S. Zhao, M. Headrick, and L. Tollefson. Nontyphoidal Salmonella from human clinical cases, asymptomatic children, and raw retail meats in Yucatan, Mexico. Clin Infect.Dis. 42 (1):21-28, 2006. PMID 16323087

S. Zhao, P. F. McDermott, S. Friedman, S. Qaiyumi, J. Abbott, C. Kiessling, S. Ayers, R. Singh, S. Hubert, J. Sofos, and D. G. White. Characterization of antimicrobial-resistant Salmonella isolated from imported foods. J Food Prot. 69 (3):500-507, 2006. PMID 16541678

S. Zhao, P. F. McDermott, S. Friedman, J. Abbott, S. Ayers, A. Glenn, E. Hall-Robinson, S. K. Hubert, H. Harbottle, R. D. Walker, T. M. Chiller, and D. G. White. Antimicrobial resistance and genetic relatedness among Salmonella from retail foods of animal origin: NARMS retail meat surveillance. Foodborne Pathog.Dis. 3 (1):106-117, 2006. PMID 16602986

J. Zheng, J. Meng, S. Zhao, R. Singh, and W. Song. Adherence to and invasion of human intestinal epithelial cells by Campylobacter jejuni and Campylobacter coli isolates from retail meat products. J Food Prot. 69 (4):768-774, 2006. PMID 16629018

D. M. Blau, B. J. McCluskey, S. R. Ladely, D. A. Dargatz, P. J. Fedorka-Cray, K. E. Ferris, and M. L. Headrick. Salmonella in dairy operations in the United States: prevalence and antimicrobial drug susceptibility. J Food Prot. 68 (4):696-702, 2005. PMID 15830658

S. Chen, S. Zhao, P. F. McDermott, C. M. Schroeder, D. G. White, and J. Meng. A DNA microarray for identification of virulence and antimicrobial resistance genes in Salmonella serovars and Escherichia coli. Mol.Cell Probes 19 (3):195-201, 2005. PMID 15797820

M. D. Englen, P. J. Fedorka-Cray, S. R. Ladely, and D. A. Dargatz. Antimicrobial resistance patterns of Campylobacter from feedlot cattle*. J Appl.Microbiol. 99 (2):285-291, 2005. PMID 16033459

T. L. Fisk, B. E. Lundberg, J. L. Guest, S. Ray, T. J. Barrett, B. Holland, K. Stamey, F. J. Angulo, and M. M. Farley. Invasive infection with multidrug-resistant Salmonella enterica serotype typhimurium definitive type 104 among HIV-infected adults. Clin Infect.Dis. 40 (7):1016-1021, 2005. PMID 15824994

B.Ge, P. F. McDermott, D. G. White, and J. Meng. Role of efflux pumps and topoisomerase mutations in fluoroquinolone resistance in Campylobacter jejuni and Campylobacter coli. Antimicrob.Agents Chemother. 49 (8):3347-3354, 2005. PMID 16048946

E. L. Hannah, F. J. Angulo, J. R. Johnson, B. Haddadin, J. Williamson, and M. H. Samore. Drug-resistant Escherichia coli, Rural Idaho. Emerg.Infect.Dis. 11 (10):1614-1617, 2005. PMID 16318708

A. R. Jackson, P. J. Fedorka-Cray, J. B. Barrett, and S. R. Ladely. High-level aminoglycoside resistant enterococci isolated from swine. Epidemiol Infect. 133 (2):367-371, 2005. PMID 15816164

C. R. Jackson, P. J. Fedorka-Cray, M. C. Jackson-Hall, and L. M. Hiott. Effect of media, temperature and culture conditions on the species population and antibiotic resistance of enterococci from broiler chickens. Lett.Appl.Microbiol 41 (3):262-268, 2005. PMID 16108918

P. F. McDermott, S. M. Bodeis-Jones, T. R. Fritsche, R. N. Jones, and R. D. Walker. Broth microdilution susceptibility testing of Campylobacter jejuni and the determination of quality control ranges for fourteen antimicrobial agents. J Clin Microbiol. 43 (12):6136-6138, 2005. PMID 16333113

P. F. McDermott, P. Cullen, S. K. Hubert, S. D. McDermott, M. Bartholomew, S. Simjee, and D. D. Wagner. Changes in antimicrobial susceptibility of native Enterococcus faecium in chickens fed virginiamycin. Appl.Environ.Microbiol. 71 (9):4986-4991, 2005. PMID 16151077

S. C. Rankin, J. M. Whichard, K. Joyce, L. Stephens, K. O'shea, H. Aceto, D. S. Munro, and C. E. Benson. Detection of a bla(SHV) extended-spectrum {beta}-lactamase in Salmonella enterica serovar Newport MDR-AmpC. J Clin Microbiol. 43 (11):5792-5793, 2005. PMID 16272522

R. Singh, C. M. Schroeder, J. Meng, D. G. White, P. F. McDermott, D. D. Wagner, H. Yang, S. Simjee, C. Debroy, R. D. Walker, and S. Zhao. Identification of antimicrobial resistance and class 1 integrons in Shiga toxin-producing Escherichia coli recovered from humans and food animals. J Antimicrob.Chemother. 56 (1):216-219, 2005. PMID 15911552

J. K. Varma, K. D. Greene, J. Ovitt, T. J. Barrett, F. Medalla, and F. J. Angulo. Hospitalization and antimicrobial resistance in Salmonella outbreaks, 1984-2002. Emerg.Infect.Dis. 11 (6):943-946, 2005. PMID 15963293

J. K. Varma, K. Molbak, T. J. Barrett, J. L. Beebe, T. F. Jones, T. Rabatsky-Ehr, K. E. Smith, D. J. Vugia, H. G. Chang, and F. J. Angulo. Antimicrobial-resistant nontyphoidal Salmonella is associated with excess bloodstream infections and hospitalizations. J Infect.Dis. 191 (4):554-561, 2005. PMID 15655779

J. M. Whichard, K. Joyce, P. D. Fey, J. M. Nelson, F. J. Angulo, and T. J. Barrett. Beta-lactam resistance and Enterobacteriaceae, United States. Emerg.Infect.Dis. 11 (9):1464-1466, 2005. PMID 16229784

J. G. Wright, L. A. Tengelsen, K. E. Smith, J. B. Bender, R. K. Frank, J. H. Grendon, D. H. Rice, A. M. Thiessen, C. J. Gilbertson, S. Sivapalasingam, T. J. Barrett, T. E. Besser, D. D. Hancock, and F. J. Angulo. Multidrug-resistant Salmonella Typhimurium in four animal facilities. Emerg.Infect.Dis. 11 (8):1235-1241, 2005. PMID 16102313

S. Zhao, P. J. Fedorka-Cray, S. Friedman, P. F. McDermott, R. D. Walker, S. Qaiyumi, S. L. Foley, S. K. Hubert, S. Ayers, L. English, D. A. Dargatz, B. Salamone, and D. G. White. Characterization of Salmonella Typhimurium of animal origin obtained from the National Antimicrobial Resistance Monitoring System. Foodborne Pathog.Dis. 2 (2):169-181, 2005. PMID 15992312

S. Zhao, J. J. Maurer, S. Hubert, J. F. De Villena, P. F. McDermott, J. Meng, S. Ayers, L. English, and D. G. White. Antimicrobial susceptibility and molecular characterization of avian pathogenic Escherichia coli isolates. Vet.Microbiol. 107 (3-4):215-224, 2005. PMID 15863280

F. J. Angulo, N. L. Baker, S. J. Olsen, A. Anderson, and T. J. Barrett. Antimicrobial use in agriculture: controlling the transfer of antimicrobial resistance to humans. Semin Pediatr.Infect.Dis. 15 (2):78-85, 2004. PMID 15185190

F. J. Angulo, J. A. Nunnery, and H. D. Bair. Antimicrobial resistance in zoonotic enteric pathogens. Rev.Sci Tech. 23 (2):485-496, 2004. PMID 15702715

F. J. Angulo, V. N. Nargund, and T. C. Chiller. Evidence of an association between use of anti-microbial agents in food animals and anti-microbial resistance among bacteria isolated from humans and the human health consequences of such resistance. J Vet.Med B Infect.Dis.Vet.Public Health 51 (8-9):374-379, 2004. PMID 15525369

S. Chen, S. Zhao, D. G. White, C. M. Schroeder, R. Lu, H. Yang, P. F. McDermott, S. Ayers, and J. Meng. Characterization of multiple-antimicrobial-resistant salmonella serovars isolated from retail meats. Appl.Environ.Microbiol. 70 (1):1-7, 2004. PMID 14711619

A. Doublet, A. Carattoli, J. M. Whichard, D. G. White, S. Baucheron, E. Chaslus-Dancla, and A. Cloeckaert. Plasmid-mediated florfenicol and ceftriaxone resistance encoded by the floR and bla(CMY-2) genes in Salmonella enterica serovars Typhimurium and Newport isolated in the United States. FEMS Microbiol.Lett 233 (2):301-305, 2004. PMID 15063500

S. L. Foley, S. Simjee, J. Meng, D. G. White, P. F. McDermott, and S. Zhao. Evaluation of molecular typing methods for Escherichia coli O157:H7 isolates from cattle, food, and humans. J Food Prot. 67 (4):651-657, 2004. PMID 15083714

M. K. Glynn, V. Reddy, L. Hutwagner, T. Rabatsky-Ehr, B. Shiferaw, D. J. Vugia, S. Segler, J. Bender, T. J. Barrett, and F. J. Angulo. Prior antimicrobial agent use increases the risk of sporadic infections with multidrug-resistant Salmonella enterica serotype Typhimurium: a FoodNet case-control study, 1996-1997. Clin Infect.Dis. 38 Suppl 3:S227-S236, 2004. PMID 15095194

J. T. Gray, L. L. Hungerford, P. J. Fedorka-Cray, and M. L. Headrick. Extended-spectrum-cephalosporin resistance in Salmonella enterica isolates of animal origin. Antimicrob.Agents Chemother. 48 (8):3179-3181, 2004. PMID 15273145

A. Gupta, J. M. Nelson, T. J. Barrett, R. V. Tauxe, S. P. Rossiter, C. R. Friedman, K. W. Joyce, K. E. Smith, T. F. Jones, M. A. Hawkins, B. Shiferaw, J. L. Beebe, D. J. Vugia, T. Rabatsky-Ehr, J. A. Benson, T. P. Root, and F. J. Angulo. Antimicrobial resistance among Campylobacter strains, United States, 1997-2001. Emerg.Infect.Dis. 10 (6):1102-1109, 2004. PMID 15207064

C. R. Jackson, P. J. Fedorka-Cray, J. B. Barrett, and S. R. Ladely. Effects of tylosin use on erythromycin resistance in enterococci isolated from swine. Appl.Environ.Microbiol. 70 (7):4205-4210, 2004. PMID 15240302

C. R. Jackson, P. J. Fedorka-Cray, J. B. Barrett, and S. R. Ladely. Genetic relatedness of high-level aminoglycoside-resistant enterococci isolated from poultry carcasses. Avian Dis. 48 (1):100-107, 2004. PMID 15077803

P. F. McDermott, S. M. Bodeis, F. M. Aarestrup, S. Brown, M. Traczewski, P. Fedorka-Cray, M. Wallace, I. A. Critchley, C. Thornsberry, S. Graff, R. Flamm, J. Beyer, D. Shortridge, L. J. Piddock, V. Ricci, M. M. Johnson, R. N. Jones, B. Reller, S. Mirrett, J. Aldrobi, R. Rennie, C. Brosnikoff, L. Turnbull, G. Stein, S. Schooley, R. A. Hanson, and R. D. Walker. Development of a standardized susceptibility test for campylobacter with quality-control ranges for ciprofloxacin, doxycycline, erythromycin, gentamicin, and meropenem. Microb.Drug Resist. 10 (2):124-131, 2004. PMID 15256027

J. M. Nelson, K. E. Smith, D. J. Vugia, T. Rabatsky-Ehr, S. D. Segler, H. D. Kassenborg, S. M. Zansky, K. Joyce, N. Marano, R. M. Hoekstra, and F. J. Angulo. Prolonged diarrhea due to ciprofloxacin-resistant campylobacter infection. J Infect.Dis. 190 (6):1150-1157, 2004. PMID 15319866

T. Rabatsky-Ehr, J. Whichard, S. Rossiter, B. Holland, K. Stamey, M. L. Headrick, T. J. Barrett, and F. J. Angulo. Multidrug-resistant strains of Salmonella enterica Typhimurium, United States, 1997-1998. Emerg.Infect.Dis. 10 (5):795-801, 2004. PMID 15200811

D. G. White, S. Zhao, R. Singh, and P. F. McDermott. Antimicrobial resistance among gram-negative foodborne bacterial pathogens associated with foods of animal origin. Foodborne Pathog.Dis. 1 (3):137-152, 2004. PMID 15992273

H. Yang, S. Chen, D. G. White, S. Zhao, P. McDermott, R. Walker, and J. Meng. Characterization of multiple-antimicrobial-resistant Escherichia coli isolates from diseased chickens and swine in China. J Clin Microbiol. 42 (8):3483-3489, 2004. PMID 15297487

A. D. Anderson, J. M. Nelson, S. Rossiter, and F. J. Angulo. Public health consequences of use of antimicrobial agents in food animals in the United States. Microb.Drug Resist. 9 (4):373-379, 2003. PMID 15000744

J. A. Crump, T. J. Barrett, J. T. Nelson, and F. J. Angulo. Reevaluating fluoroquinolone breakpoints for Salmonella enterica serotype Typhi and for non-Typhi salmonellae. Clin Infect.Dis. 37 (1):75-81, 2003. PMID 12830411

D. A. Dargatz, P. J. Fedorka-Cray, S. R. Ladely, C. A. Kopral, K. E. Ferris, and M. L. Headrick. Prevalence and antimicrobial susceptibility of Salmonella spp. isolates from US cattle in feedlots in 1999 and 2000. J Appl.Microbiol. 95 (4):753-761, 2003. PMID 12969289

A. Ge, D. G. White, P. F. McDermott, W. Girard, S. Zhao, S. Hubert, and J. Meng. Antimicrobial-resistant Campylobacter species from retail raw meats. Appl.Environ.Microbiol. 69 (5):3005-3007, 2003. PMID 12732579

A. Gupta, J. Fontana, C. Crowe, B. Bolstorff, A. Stout, S. Van Duyne, M. P. Hoekstra, J. M. Whichard, T. J. Barrett, and F. J. Angulo. Emergence of multidrug-resistant Salmonella enterica serotype Newport infections resistant to expanded-spectrum cephalosporins in the United States. J Infect.Dis. 188 (11):1707-1716, 2003. PMID 14639542

J. R. Hayes, L. L. English, P. J. Carter, T. Proescholdt, K. Y. Lee, D. D. Wagner, and D. G. White. Prevalence and antimicrobial resistance of enterococcus species isolated from retail meats. Appl.Environ.Microbiol. 69 (12):7153-7160, 2003. PMID 14660361

P. F. McDermott, R. D. Walker, and D. G. White. Antimicrobials: modes of action and mechanisms of resistance. Int J Toxicol 22 (2):135-143, 2003. PMID 12745995

C. M. Schroeder, D. G. White, B. Ge, Y. Zhang, P. F. McDermott, S. Ayers, S. Zhao, and J. Meng. Isolation of antimicrobial-resistant Escherichia coli from retail meats purchased in Greater Washington, DC, USA. Int.J Food Microbiol. 85 (1-2):197-202, 2003. PMID 12810283

D. G. White, S. Zhao, P. F. McDermott, S. Ayers, S. Friedman, J. Sherwood, M. Breider-Foley, and L. K. Nolan. Characterization of integron mediated antimicrobial resistance in Salmonella isolated from diseased swine. Can.J Vet.Res 67 (1):39-47, 2003. PMID 12528827

D. G. White, S. Ayers, J. J. Maurer, S. G. Thayer, and C. Hofacre. Antimicrobial susceptibilities of Staphylococcus aureus isolated from commercial broilers in northeastern Georgia. Avian Dis. 47 (1):203-210, 2003. PMID 12713179

D. G. White, A. Datta, P. McDermott, S. Friedman, S. Qaiyumi, S. Ayers, L. English, S. McDermott, D. D. Wagner, and S. Zhao. Antimicrobial susceptibility and genetic relatedness of Salmonella serovars isolated from animal-derived dog treats in the USA. J Antimicrob.Chemother. 52 (5):860-863, 2003. PMID 14519678

S. Zhao, A. R. Datta, S. Ayers, S. Friedman, R. D. Walker, and D. G. White. Antimicrobial-resistant Salmonella serovars isolated from imported foods. Int.J Food Microbiol. 84 (1):87-92, 2003. PMID 12781958

S. Zhao, S. Qaiyumi, S. Friedman, R. Singh, S. L. Foley, D. G. White, P. F. McDermott, T. Donkar, C. Bolin, S. Munro, E. J. Baron, and R. D. Walker. Characterization of Salmonella enterica serotype newport isolated from humans and food animals. J Clin Microbiol. 41 (12):5366-5371, 2003. PMID 14662912

K. M. Bischoff, D. G. White, P. F. McDermott, S. Zhao, S. Gaines, J. J. Maurer, and D. J. Nisbet. Characterization of chloramphenicol resistance in beta-hemolytic Escherichia coli associated with diarrhea in neonatal swine. J Clin Microbiol. 40 (2):389-394, 2002. PMID 11825947

D. A. Dargatz, P. J. Fedorka-Cray, S. R. Ladely, K. E. Ferris, A. L. Green, and M. L. Headrick. Antimicrobial susceptibility patterns of Salmonella isolates from cattle in feedlots. J Am Vet.Med Assoc. 221 (2):268-272, 2002. PMID 12118593

P. J. Fedorka-Cray, M. D. Englen, J. T. Gray, C. Hudson, and M. L. Headrick. Programs for monitoring antimicrobial resistance. Anim.Biotechnol. 13 (1):43-55, 2002. PMID 12212943

A. Ge, S. Bodeis, R. D. Walker, D. G. White, S. Zhao, P. F. McDermott, and J. Meng. Comparison of the Etest and agar dilution for in vitro antimicrobial susceptibility testing of Campylobacter. J Antimicrob.Chemother. 50 (4):487-494, 2002. PMID 12356792

M. D. Lee, S. Sanchez, M. Zimmer, U. Idris, M. E. Berrang, and P. F. McDermott. Class 1 integron-associated tobramycin-gentamicin resistance in Campylobacter jejuni isolated from the broiler chicken house environment. Antimicrob.Agents Chemother. 46 (11):3660-3664, 2002. PMID 12384387

P. F. McDermott, S. M. Bodeis, L. L. English, D. G. White, R. D. Walker, S. Zhao, S. Simjee, and D. D. Wagner. Ciprofloxacin resistance in Campylobacter jejuni evolves rapidly in chickens treated with fluoroquinolones. J Infect.Dis. 185 (6):837-840, 2002. PMID 11920303

P. F. McDermott, S. Zhao, D. D. Wagner, S. Simjee, R. D. Walker, and D. G. White. The food safety perspective of antibiotic resistance. Anim.Biotechnol. 13 (1):71-84, 2002. PMID 12212946

S. A. McEwen and P. J. Fedorka-Cray. Antimicrobial use and resistance in animals. Clin Infect.Dis. 34 Suppl 3:S93-S106, 2002. PMID 11988879

E. M. Ribot, R. K. Wierzba, F. J. Angulo, and T. J. Barrett. Salmonella enterica serotype Typhimurium DT104 isolated from humans, United States, 1985, 1990, and 1995. Emerg.Infect.Dis. 8 (4):387-391, 2002. PMID 11971772

A. M. Schroeder, C. Zhao, C. Debroy, J. Torcolini, S. Zhao, D. G. White, D. D. Wagner, P. F. McDermott, R. D. Walker, and J. Meng. Antimicrobial resistance of Escherichia coli O157 isolated from humans, cattle, swine, and food. Appl.Environ.Microbiol. 68 (2):576-581, 2002. PMID 11823193

C. M. Schroeder, J. Meng, S. Zhao, C. Debroy, J. Torcolini, C. Zhao, P. F. McDermott, D. D. Wagner, R. D. Walker, and D. G. White. Antimicrobial resistance of Escherichia coli O26, O103, O111, O128, and O145 from animals and humans. Emerg.Infect.Dis. 8 (12):1409-1414, 2002. PMID 12498656

S. Simjee, D. G. White, J. Meng, D. D. Wagner, S. Qaiyumi, S. Zhao, J. R. Hayes, and P. F. McDermott. Prevalence of streptogramin resistance genes among Enterococcus isolates recovered from retail meats in the Greater Washington DC area. J Antimicrob.Chemother. 50 (6):877-882, 2002. PMID 12461007

S. Simjee, D. G. White, P. F. McDermott, D. D. Wagner, M. J. Zervos, S. M. Donabedian, L. L. English, J. R. Hayes, and R. D. Walker. Characterization of Tn1546 in vancomycin-resistant Enterococcus faecium isolated from canine urinary tract infections: evidence of gene exchange between human and animal enterococci. J Clin Microbiol. 40 (12):4659-4665, 2002. PMID 12454168

S. Simjee, D. G. White, D. D. Wagner, J. Meng, S. Qaiyumi, S. Zhao, and P. F. McDermott. Identification of vat(E) in Enterococcus faecalis isolates from retail poultry and its transferability to Enterococcus faecium. Antimicrob.Agents Chemother. 46 (12):3823-3828, 2002. PMID 12435683

A. G. White, S. Zhao, S. Simjee, D. D. Wagner, and P. F. McDermott. Antimicrobial resistance of foodborne pathogens. Microbes Infect. 4 (4):405-412, 2002. PMID 11932191

D. G. White, S. Zhao, P. F. Mc\Dermott, S. Ayers, S. Gaines, S. Friedman, D. D. Wagner, J. Meng, D. Needle, M. Davis, and C. Debroy. Characterization of antimicrobial resistance among Escherichia coli O111 isolates of animal and human origin. Microb.Drug Resist. 8 (2):139-146, 2002. PMID 12118519

T. Zhao, M. P. Doyle, P. J. Fedorka-Cray, P. Zhao, and S. Ladely. Occurrence of Salmonella enterica serotype typhimurium DT104A in retail ground beef. J Food Prot. 65 (2):403-407, 2002. PMID 11848574

L. C. McDonald, S. Rossiter, C. Mackinson, Y. Y. Wang, S. Johnson, M. Sullivan, R. Sokolow, E. DeBess, L. Gilbert, J. A. Benson, B. Hill, and F. J. Angulo. Quinupristin-dalfopristin-resistant Enterococcus faecium on chicken and in human stool specimens. N Engl.J Med 345 (16):1155-1160, 2001. PMID 11642231

S. Simjee, P. F. McDermott, D. D. Wagner, and D. G. White. Variation within the vat(E) allele of Enterococcus faecium isolates from retail poultry samples. Antimicrob.Agents Chemother. 45 (10):2931-2932, 2001. PMID 11557494

D. G. White and P. F. McDermott. Biocides, drug resistance and microbial evolution. Curr.Opin.Microbiol 4 (3):313-317, 2001. PMID 11378485

D. G. White, S. Zhao, R. Sudler, S. Ayers, S. Friedman, S. Chen, P. F. McDermott, S. McDermott, D. D. Wagner, and J. Meng. The isolation of antibiotic-resistant salmonella from retail ground meats. N Engl.J Med 345 (16):1147-1154, 2001. PMID 11642230

S. Zhao, D. G. White, B. Ge, S. Ayers, S. Friedman, L. English, D. Wagner, S. Gaines, and J. Meng. Identification and characterization of integron-mediated antibiotic resistance among Shiga toxin-producing Escherichia coli isolates. Appl.Environ.Microbiol. 67 (4):1558-1564, 2001. PMID 11282605

S. Zhao, D. G. White, P. F. McDermott, S. Friedman, L. English, S. Ayers, J. Meng, J. J. Maurer, R. Holland, and R. D. Walker. Identification and expression of cephamycinase bla(CMY) genes in Escherichia coli and Salmonella isolates from food animals and ground meat. Antimicrob.Agents Chemother. 45 (12):3647-3650, 2001. PMID 11709361

F. J. Angulo and P. M. Griffin. Changes in antimicrobial resistance in Salmonella enterica serovar typhimurium. Emerg.Infect.Dis. 6 (4):436-438, 2000. PMID 10905990

F. J. Angulo, K. R. Johnson, R. V. Tauxe, and M. L. Cohen. Origins and consequences of antimicrobial-resistant nontyphoidal Salmonella: implications for the use of fluoroquinolones in food animals. Microb.Drug Resist. 6 (1):77-83, 2000. PMID 10868811

D. A. Dargatz, P. J. Fedorka-Cray, S. R. Ladely, and K. E. Ferris. Survey of Salmonella serotypes shed in feces of beef cows and their antimicrobial susceptibility patterns. J Food Prot. 63 (12):1648-1653, 2000. PMID 11131885

A. F. Dunne, P. D. Fey, P. Kludt, R. Reporter, F. Mostashari, P. Shillam, J. Wicklund, C. Miller, B. Holland, K. Stamey, T. J. Barrett, J. K. Rasheed, F. C. Tenover, E. M. Ribot, and F. J. Angulo. Emergence of domestically acquired ceftriaxone-resistant Salmonella infections associated with AmpC beta-lactamase. JAMA 284 (24):3151-3156, 2000. PMID 11135779

N. N. Marano, S. Rossiter, K. Stamey, K. Joyce, T. J. Barrett, L. K. Tollefson, and F. J. Angulo. The National Antimicrobial Resistance Monitoring System (NARMS) for enteric bacteria, 1996-1999: surveillance for action. J Am Vet.Med Assoc. 217 (12):1829-1830, 2000. PMID 11132885

D. G. White, C. Hudson, J. J. Maurer, S. Ayers, S. Zhao, M. D. Lee, L. Bolton, T. Foley, and J. Sherwood. Characterization of chloramphenicol and florfenicol resistance in Escherichia coli associated with bovine diarrhea. J Clin Microbiol. 38 (12):4593-4598, 2000. PMID 11101601

J. E. Akkina, A. T. Hogue, F. J. Angulo, R. Johnson, K. E. Petersen, P. K. Saini, P. J. Fedorka-Cray, and W. D. Schlosser. Epidemiologic aspects, control, and importance of multiple-drug resistant Salmonella Typhimurium DT104 in the United States. J Am Vet.Med Assoc. 214 (6):790-798, 1999. PMID 10101410

S. A. Carlson, L. F. Bolton, C. E. Briggs, H. S. Hurd, V. K. Sharma, P. J. Fedorka-Cray, and B. D. Jones. Detection of multiresistant Salmonella typhimurium DT104 using multiplex and fluorogenic PCR. Mol.Cell Probes 13 (3):213-222, 1999. PMID 10369747

L. Tollefson, P. J. Fedorka-Cray, and F. J. Angulo. Public health aspects of antibiotic resistance monitoring in the USA. Acta Vet.Scand Suppl. 92:67-75, 1999. PMID 10783719

M. D. Apley, S. A. Brown, P. J. Fedorka-Cray, S. Ferenc, J. K. House, J. E. Riviere, L. B. Rice, C. Thornsberry, and J. Waddell. Role of veterinary therapeutics in bacterial resistance development: animal and public health perspectives. J Am Vet.Med Assoc. 212 (8):1209-1213, 1998. PMID 9569153

P. J. Fedorka-Cray, D. A. Dargatz, S. J. Wells, N. E. Wineland, M. A. Miller, L. Tollefson, and K. E. Petersen. Impact of antimicrobic use in veterinary medicine. J Am Vet.Med Assoc. 213 (12):1739-1741, 1998. PMID 9861965

M. K. Glynn, C. Bopp, W. Dewitt, P. Dabney, M. Mokhtar, and F. J. Angulo. Emergence of multidrug-resistant Salmonella enterica serotype typhimurium DT104 infections in the United States. N Engl.J Med 338 (19):1333-1338, 1998. PMID 9571252

E.J. Threlfall, F. J. Angulo, and P. G. Wall. Ciprofloxacin-resistant Salmonella typhimurium DT104. Vet.Rec. 142 (10):255, 1998. PMID 9549872

L. Tollefson, F. J. Angulo, and P. J. Fedorka-Cray. National surveillance for antibiotic resistance in zoonotic enteric pathogens. Vet.Clin.North Am Food Anim.Pract. 14 (1):141-150, 1998. PMID 9532673

H. Herikstad, P. Hayes, M. Mokhtar, M. L. Fracaro, E. J. Threlfall, and F. J. Angulo. Emerging quinolone-resistant Salmonella in the United States. Emerg.Infect.Dis. 3 (3):371-372, 1997. PMID 9284384

H. Herikstad, P. S. Hayes, J. Hogan, P. Floyd, L. Snyder, and F. J. Angulo. Ceftriaxone-resistant Salmonella in the United States. Pediatr.Infect.Dis.J 16 (9):904-905, 1997. PMID 9306487


 

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