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Genomic Features of High-Priority Salmonella enterica Serovars Circulating in the Food Production Chain, Brazil, 2000-2016.

Monte DF, Lincopan N, Berman H, Cerdeira L, Keelara S, Thakur S, Fedorka-Cray PJ, Landgraf M.

Sci Rep. 2019 Jul 30;9(1):11058. doi: 10.1038/s41598-019-45838-0.


Early Dissemination of qnrE1 in Salmonella enterica Serovar Typhimurium from Livestock in South America.

Monte DF, Lincopan N, Cerdeira L, Fedorka-Cray PJ, Landgraf M.

Antimicrob Agents Chemother. 2019 Aug 23;63(9). pii: e00571-19. doi: 10.1128/AAC.00571-19. Print 2019 Sep. No abstract available.


Multidrug- and colistin-resistant Salmonella enterica 4,[5],12:i:- sequence type 34 carrying the mcr-3.1 gene on the IncHI2 plasmid recovered from a human.

Monte DF, Nelson V, Cerdeira L, Keelara S, Greene S, Griffin D, Rath S, Hall R, Page N, Fedorka-Cray PJ, Thakur S.

J Med Microbiol. 2019 Jul;68(7):986-990. doi: 10.1099/jmm.0.001012. Epub 2019 Jun 4.


Phenotypic and Genotypic Characterization of Escherichia coli and Salmonella enterica from Dairy Cattle Farms in the Wakiso District, Uganda: A Cross-Sectional Study.

Ball TA, Monte DF, Aidara-Kane A, Matheu-Alvarez J, Ru H, Thakur S, Horovitz J, Ejobi F, Lacher DW, Fedorka-Cray PJ.

Foodborne Pathog Dis. 2019 Jan;16(1):54-59. doi: 10.1089/fpd.2018.2528. Epub 2019 Jan 2.


Changes in the prevalence of Salmonella serovars associated swine production and correlations of avian, bovine and swine-associated serovars with human-associated serovars in the United States (1997-2015).

Yuan C, Krull A, Wang C, Erdman M, Fedorka-Cray PJ, Logue CM, O'Connor AM.

Zoonoses Public Health. 2018 Sep;65(6):648-661. doi: 10.1111/zph.12473. Epub 2018 Apr 23.


Ceftriaxone-Resistant Nontyphoidal Salmonella from Humans, Retail Meats, and Food Animals in the United States, 1996-2013.

Iwamoto M, Reynolds J, Karp BE, Tate H, Fedorka-Cray PJ, Plumblee JR, Hoekstra RM, Whichard JM, Mahon BE.

Foodborne Pathog Dis. 2017 Feb;14(2):74-83. doi: 10.1089/fpd.2016.2180. Epub 2016 Nov 18.


Prevalence and Antimicrobial Resistance of Salmonella Isolated from Cattle Feces in United States Feedlots in 2011.

Dargatz DA, Kopral CA, Erdman MM, Fedorka-Cray PJ.

Foodborne Pathog Dis. 2016 Sep;13(9):483-9. doi: 10.1089/fpd.2016.2128. Epub 2016 Jul 27.


Antimicrobial susceptibility of Clostridium difficile isolated from food animals on farms.

Thitaram SN, Frank JF, Siragusa GR, Bailey JS, Dargatz DA, Lombard JE, Haley CA, Lyon SA, Fedorka-Cray PJ.

Int J Food Microbiol. 2016 Jun 16;227:1-5. doi: 10.1016/j.ijfoodmicro.2016.03.017. Epub 2016 Mar 17.


Antimicrobial Susceptibility and Plasmid Replicon Typing of Salmonella enterica Serovar Kentucky Isolates Recovered from Broilers.

Ladely SR, Meinersmann RJ, Ball TA, Fedorka-Cray PJ.

Foodborne Pathog Dis. 2016 Jun;13(6):309-15. doi: 10.1089/fpd.2015.2102. Epub 2016 Mar 30.


Influence of commercial laying hen housing systems on the incidence and identification of Salmonella and Campylobacter.

Jones DR, Guard J, Gast RK, Buhr RJ, Fedorka-Cray PJ, Abdo Z, Plumblee JR, Bourassa DV, Cox NA, Rigsby LL, Robison CI, Regmi P, Karcher DM.

Poult Sci. 2016 May;95(5):1116-24. doi: 10.3382/ps/pew036. Epub 2016 Mar 14.


Attribution of Salmonella enterica serotype Hadar infections using antimicrobial resistance data from two points in the food supply system.

Vieira AR, Grass J, Fedorka-Cray PJ, Plumblee JR, Tate H, Cole DJ.

Epidemiol Infect. 2016 Jul;144(9):1983-90. doi: 10.1017/S0950268816000066. Epub 2016 Feb 3.


Salmonella Prevalence and Antimicrobial Susceptibility from the National Animal Health Monitoring System Sheep 2011 Study.

Dargatz DA, Marshall KL, Fedorka-Cray PJ, Erdman MM, Kopral CA.

Foodborne Pathog Dis. 2015 Dec;12(12):953-7. doi: 10.1089/fpd.2015.2016. Epub 2015 Nov 5.


Identification and characterization of multidrug-resistant Salmonella enterica serotype Albert isolates in the United States.

Folster JP, Campbell D, Grass J, Brown AC, Bicknese A, Tolar B, Joseph LA, Plumblee JR, Walker C, Fedorka-Cray PJ, Whichard JM.

Antimicrob Agents Chemother. 2015 May;59(5):2774-9. doi: 10.1128/AAC.05183-14. Epub 2015 Mar 2.


Evaluating the occurrence of Escherichia albertii in chicken carcass rinses by PCR, Vitek analysis, and sequencing of the rpoB gene.

Lindsey RL, Fedorka-Cray PJ, Abley M, Turpin JB, Meinersmann RJ.

Appl Environ Microbiol. 2015 Mar;81(5):1727-34. doi: 10.1128/AEM.03681-14. Epub 2014 Dec 29.


Microbiological impact of three commercial laying hen housing systems.

Jones DR, Cox NA, Guard J, Fedorka-Cray PJ, Buhr RJ, Gast RK, Abdo Z, Rigsby LL, Plumblee JR, Karcher DM, Robison CI, Blatchford RA, Makagon MM.

Poult Sci. 2015 Mar;94(3):544-51. doi: 10.3382/ps/peu010. Epub 2014 Dec 5.


Carriage of methicillin-resistant staphylococci by healthy companion animals in the US.

Davis JA, Jackson CR, Fedorka-Cray PJ, Barrett JB, Brousse JH, Gustafson J, Kucher M.

Lett Appl Microbiol. 2014 Jul;59(1):1-8. doi: 10.1111/lam.12254. Epub 2014 Apr 15.


Sampling naturally contaminated broiler carcasses for Salmonella by three different methods.

Cox NA, Buhr RJ, Smith DP, Cason JA, Rigsby LL, Bourassa DV, Fedorka-Cray PJ, Cosby DE.

J Food Prot. 2014 Mar;77(3):493-5. doi: 10.4315/0362-028X.JFP-13-320.


Characterization of blaCMY plasmids and their possible role in source attribution of Salmonella enterica serotype Typhimurium infections.

Folster JP, Tolar B, Pecic G, Sheehan D, Rickert R, Hise K, Zhao S, Fedorka-Cray PJ, McDermott P, Whichard JM.

Foodborne Pathog Dis. 2014 Apr;11(4):301-6. doi: 10.1089/fpd.2013.1670. Epub 2014 Jan 31.


A comparison of non-typhoidal Salmonella from humans and food animals using pulsed-field gel electrophoresis and antimicrobial susceptibility patterns.

Sandt CH, Fedorka-Cray PJ, Tewari D, Ostroff S, Joyce K, M'ikanatha NM.

PLoS One. 2013 Oct 30;8(10):e77836. doi: 10.1371/journal.pone.0077836. eCollection 2013.


Antimicrobial resistance genes in multidrug-resistant Salmonella enterica isolated from animals, retail meats, and humans in the United States and Canada.

Glenn LM, Lindsey RL, Folster JP, Pecic G, Boerlin P, Gilmour MW, Harbottle H, Zhao S, McDermott PF, Fedorka-Cray PJ, Frye JG.

Microb Drug Resist. 2013 Jun;19(3):175-84. doi: 10.1089/mdr.2012.0177. Epub 2013 Jan 25.


Occurrence of β-lactamase genes among non-Typhi Salmonella enterica isolated from humans, food animals, and retail meats in the United States and Canada.

Sjölund-Karlsson M, Howie RL, Blickenstaff K, Boerlin P, Ball T, Chalmers G, Duval B, Haro J, Rickert R, Zhao S, Fedorka-Cray PJ, Whichard JM.

Microb Drug Resist. 2013 Jun;19(3):191-7. doi: 10.1089/mdr.2012.0178. Epub 2013 Jan 5.


Evidence for horizontal and vertical transmission in Campylobacter passage from hen to her progeny.

Cox NA, Richardson LJ, Maurer JJ, Berrang ME, Fedorka-Cray PJ, Buhr RJ, Byrd JA, Lee MD, Hofacre CL, O'Kane PM, Lammerding AM, Clark AG, Thayer SG, Doyle MP.

J Food Prot. 2012 Oct;75(10):1896-902. doi: 10.4315/0362-028.JFP-11-322.


Comparison of individual, pooled, and composite fecal sampling methods for detection of Salmonella on U.S. dairy operations.

Lombard JE, Beam AL, Nifong EM, Fossler CP, Kopral CA, Dargatz DA, Wagner BA, Erdman MM, Fedorka-Cray PJ.

J Food Prot. 2012 Sep;75(9):1562-71. doi: 10.4315/0362-028X.JFP-12-012.


Characterization of extended-spectrum cephalosporin-resistant Salmonella enterica serovar Heidelberg isolated from food animals, retail meat, and humans in the United States 2009.

Folster JP, Pecic G, Singh A, Duval B, Rickert R, Ayers S, Abbott J, McGlinchey B, Bauer-Turpin J, Haro J, Hise K, Zhao S, Fedorka-Cray PJ, Whichard J, McDermott PF.

Foodborne Pathog Dis. 2012 Jul;9(7):638-45. doi: 10.1089/fpd.2012.1130.


Analysis of Campylobacter jejuni whole-genome DNA microarrays: significance of prophage and hypervariable regions for discriminating isolates.

Pittenger LG, Frye JG, McNerney V, Reeves J, Haro J, Fedorka-Cray PJ, Harrison MA, Englen MD.

Foodborne Pathog Dis. 2012 May;9(5):473-9. doi: 10.1089/fpd.2011.1048. Epub 2012 Apr 16.


Characterization of multidrug-resistant Salmonella enterica serovar heidelberg from a ground turkey-associated outbreak in the United States in 2011.

Folster JP, Pecic G, Rickert R, Taylor J, Zhao S, Fedorka-Cray PJ, Whichard J, McDermott P.

Antimicrob Agents Chemother. 2012 Jun;56(6):3465-6. doi: 10.1128/AAC.00201-12. Epub 2012 Mar 26. No abstract available.


Salmonella prevalence and antimicrobial susceptibility from the National Animal Health Monitoring System Swine 2000 and 2006 studies.

Haley CA, Dargatz DA, Bush EJ, Erdman MM, Fedorka-Cray PJ.

J Food Prot. 2012 Mar;75(3):428-36. doi: 10.4315/0362-028X.JFP-11-363. Erratum in: J Food Prot. 2013 oCT;76(10):1666.


Analysis of antimicrobial resistance genes detected in multiple-drug-resistant Escherichia coli isolates from broiler chicken carcasses.

Glenn LM, Englen MD, Lindsey RL, Frank JF, Turpin JE, Berrang ME, Meinersmann RJ, Fedorka-Cray PJ, Frye JG.

Microb Drug Resist. 2012 Aug;18(4):453-63. doi: 10.1089/mdr.2011.0224. Epub 2012 Mar 2.


Microarray-based analysis of IncA/C plasmid-associated genes from multidrug-resistant Salmonella enterica.

Lindsey RL, Frye JG, Fedorka-Cray PJ, Meinersmann RJ.

Appl Environ Microbiol. 2011 Oct;77(19):6991-9. doi: 10.1128/AEM.00567-11. Epub 2011 Aug 12.


Analysis of antimicrobial resistance genes detected in multidrug-resistant Salmonella enterica serovar Typhimurium isolated from food animals.

Glenn LM, Lindsey RL, Frank JF, Meinersmann RJ, Englen MD, Fedorka-Cray PJ, Frye JG.

Microb Drug Resist. 2011 Sep;17(3):407-18. doi: 10.1089/mdr.2010.0189. Epub 2011 Apr 3.


Related antimicrobial resistance genes detected in different bacterial species co-isolated from swine fecal samples.

Frye JG, Lindsey RL, Meinersmann RJ, Berrang ME, Jackson CR, Englen MD, Turpin JB, Fedorka-Cray PJ.

Foodborne Pathog Dis. 2011 Jun;8(6):663-79. doi: 10.1089/fpd.2010.0695. Epub 2011 Mar 8.


Characterization of multidrug-resistant Escherichia coli by antimicrobial resistance profiles, plasmid replicon typing, and pulsed-field gel electrophoresis.

Lindsey RL, Frye JG, Thitaram SN, Meinersmann RJ, Fedorka-Cray PJ, Englen MD.

Microb Drug Resist. 2011 Jun;17(2):157-63. doi: 10.1089/mdr.2010.0148. Epub 2011 Feb 19.


Clostridium difficile from healthy food animals: optimized isolation and prevalence.

Thitaram SN, Frank JF, Lyon SA, Siragusa GR, Bailey JS, Lombard JE, Haley CA, Wagner BA, Dargatz DA, Fedorka-Cray PJ.

J Food Prot. 2011 Jan;74(1):130-3. doi: 10.4315/0362-028X.JFP-10-229.


Anatomical distribution and genetic relatedness of antimicrobial-resistant Escherichia coli from healthy companion animals.

Davis JA, Jackson CR, Fedorka-Cray PJ, Barrett JB, Brousse JH, Gustafson J, Kucher M.

J Appl Microbiol. 2011 Feb;110(2):597-604. doi: 10.1111/j.1365-2672.2010.04920.x. Epub 2011 Jan 5.


Prevalence, species distribution and antimicrobial resistance of enterococci isolated from US dairy cattle.

Jackson CR, Lombard JE, Dargatz DA, Fedorka-Cray PJ.

Lett Appl Microbiol. 2011 Jan;52(1):41-8. doi: 10.1111/j.1472-765X.2010.02964.x. Epub 2010 Nov 29.


Plasmid-mediated quinolone resistance among non-Typhi Salmonella enterica isolates, USA.

Sjölund-Karlsson M, Howie R, Rickert R, Krueger A, Tran TT, Zhao S, Ball T, Haro J, Pecic G, Joyce K, Fedorka-Cray PJ, Whichard JM, McDermott PF.

Emerg Infect Dis. 2010 Nov;16(11):1789-91. doi: 10.3201/eid1611.100464.


Comparison of neck skin excision and whole carcass rinse sampling methods for microbiological evaluation of broiler carcasses before and after immersion chilling.

Cox NA, Richardson LJ, Cason JA, Buhr RJ, Vizzier-Thaxton Y, Smith DP, Fedorka-Cray PJ, Romanenghi CP, Pereira LV, Doyle MP.

J Food Prot. 2010 May;73(5):976-80.


Analysis of risk factors associated with Salmonella spp. isolated from U.S. feedlot cattle.

Green AL, Dargatz DA, Wagner BA, Fedorka-Cray PJ, Ladely SR, Kopral CA.

Foodborne Pathog Dis. 2010 Jul;7(7):825-33. doi: 10.1089/fpd.2007.0068.


An oligonucleotide microarray to characterize multidrug resistant plasmids.

Lindsey RL, Frye JG, Fedorka-Cray PJ, Welch TJ, Meinersmann RJ.

J Microbiol Methods. 2010 May;81(2):96-100. doi: 10.1016/j.mimet.2010.01.024. Epub 2010 Feb 4.


Mechanisms of antimicrobial resistance and genetic relatedness among enterococci isolated from dogs and cats in the United States.

Jackson CR, Fedorka-Cray PJ, Davis JA, Barrett JB, Brousse JH, Gustafson J, Kucher M.

J Appl Microbiol. 2010 Jun;108(6):2171-9. doi: 10.1111/j.1365-2672.2009.04619.x. Epub 2009 Nov 7. Erratum in: J Appl Microbiol. 2010 Jul;109(1):369-70.


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.

O'Regan E, Quinn T, Frye JG, Pagès JM, Porwollik S, Fedorka-Cray PJ, McClelland M, Fanning S.

Antimicrob Agents Chemother. 2010 Jan;54(1):367-74. doi: 10.1128/AAC.00801-09. Epub 2009 Nov 16.


Development of a DNA microarray to detect antimicrobial resistance genes identified in the National Center for Biotechnology Information database.

Frye JG, Lindsey RL, Rondeau G, Porwollik S, Long F, McClelland M, Jackson CR, Englen MD, Meinersmann RJ, Berrang ME, Davis JA, Barrett JB, Turpin JB, Thitaram SN, Fedorka-Cray PJ.

Microb Drug Resist. 2010 Mar;16(1):9-19. doi: 10.1089/mdr.2009.0082.


Fluorescence spectroscopy for rapid detection and classification of bacterial pathogens.

Sohn M, Himmelsbach DS, Barton FE 2nd, Fedorka-Cray PJ.

Appl Spectrosc. 2009 Nov;63(11):1251-5. doi: 10.1366/000370209789806993.


Campylobacter species occurrence within internal organs and tissues of commercial caged Leghorn laying hens.

Cox NA, Richardson LJ, Buhr RJ, Fedorka-Cray PJ.

Poult Sci. 2009 Nov;88(11):2449-56. doi: 10.3382/ps.2009-00195.


Prevalence, serotype, and antimicrobial resistance of Salmonella on broiler carcasses postpick and postchill in 20 U.S. processing plants.

Berrang ME, Bailey JS, Altekruse SF, Shaw WK Jr, Patel BL, Meinersmann RJ, Fedorka-Cray PJ.

J Food Prot. 2009 Aug;72(8):1610-5.


Antimicrobial resistance-conferring plasmids with similarity to virulence plasmids from avian pathogenic Escherichia coli strains in Salmonella enterica serovar Kentucky isolates from poultry.

Fricke WF, McDermott PF, Mammel MK, Zhao S, Johnson TJ, Rasko DA, Fedorka-Cray PJ, Pedroso A, Whichard JM, Leclerc JE, White DG, Cebula TA, Ravel J.

Appl Environ Microbiol. 2009 Sep;75(18):5963-71. doi: 10.1128/AEM.00786-09. Epub 2009 Jul 31.


Evaluation of TECRA broth, Bolton broth, and direct plating for recovery of Campylobacter spp, from broiler carcass rinsates from commercial processing plants.

Richardson LJ, Cox NA, Bailey JS, Berrang ME, Cox JM, Buhr RJ, Fedorka-Cray PJ, Harrison MA.

J Food Prot. 2009 May;72(5):972-7.


Prevalence, species distribution and antimicrobial resistance of enterococci isolated from dogs and cats in the United States.

Jackson CR, Fedorka-Cray PJ, Davis JA, Barrett JB, Frye JG.

J Appl Microbiol. 2009 Oct;107(4):1269-78. doi: 10.1111/j.1365-2672.2009.04310.x. Epub 2009 Apr 9.


Dynamics of endemic infectious diseases of animal and human importance on three dairy herds in the northeastern United States.

Pradhan AK, Van Kessel JS, Karns JS, Wolfgang DR, Hovingh E, Nelen KA, Smith JM, Whitlock RH, Fyock T, Ladely S, Fedorka-Cray PJ, Schukken YH.

J Dairy Sci. 2009 Apr;92(4):1811-25. doi: 10.3168/jds.2008-1486.


Genotyping Campylobacter jejuni by comparative genome indexing: an evaluation with pulsed-field gel electrophoresis and flaA SVR sequencing.

Pittenger LG, Englen MD, Parker CT, Frye JG, Quiñones B, Horn ST, Son I, Fedorka-Cray PJ, Harrison MA.

Foodborne Pathog Dis. 2009 Apr;6(3):337-49. doi: 10.1089/fpd.2008.0185.


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