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United States Department of Agriculture

Agricultural Research Service

Related Topics

John B Barrett (Benny)
Bacterial Epidemiology and Antimicrobial Resistance
Molecular Biologist

Phone: (706) 546-3084
Fax: (706) 546-3066
Room 851
USDA, ARS, SAA
RBRRC
950 COLLEGE STATION ROAD
ATHENS, GA, 30605


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Antimicrobial resistance, virulence determinants, and genetic profiles of clinical and non-clinical Enterococcus cecorum from poultry - (Peer Reviewed Journal) - (29-Sep-14)
Genomes of Salmonella with diverse patterns of antibiotic resistance (AR) revealed the dynamics of AR gene organization and detected resistance gene families found in Salmonella - (Abstract Only)
Frye, J.G., Desai, P.T., Porwollik, S., Long, F., Cheng, P., Chu, W., Weinstock, G.M., Guard, J.Y., Hiott, L.M., Barrett, J.B., Humayoun, S.B., Williams, L.E., Jackson, C.R., Mcclelland, M. 2013. Genomes of Salmonella with diverse patterns of antibiotic resistance (AR) revealed the dynamics of AR gene organization and detected resistance gene families found in Salmonella. American Society for Microbiology Conference. October 5-9, 2013. Boston, Massachusetts.
Carriage of methicillin-resistant Staphylococcus aureus by healthy companion animals - (Peer Reviewed Journal)
Davis, J.A., Jackson, C.R., Cray, P.J., Barrett, J.B., Brousse, J.H., Gustafson, J., Kucher, M. 2014. Carriage of methicillin-resistant Staphylococcus aureus by healthy companion animals. Letters in Applied Microbiology. 59(1):1-8.
Community-associated methicillin resistant Staphylococcus aureus in South Florida Hospital and Recreational Environments - (Abstract Only)
Hower, S., Newton, C., Jackson, C.R., Barrett, J.B., Bustillo, A.J., Dickinson, G., Plano, L.R., Krisko, I. 2014. Community-associated methicillin resistant Staphylococcus aureus in South Florida Hospital and Recreational Environments. American Society for Microbiology General Meeting. May 17-20, 2014. Boston, Massachusetts.
Genetic variation and genomic context of antibiotic resistance genes and mobile genetic elements in Salmonella from animals and food production facilities - (Abstract Only)
Williams, L.E., Mcclelland, M., Mcarthur, A., Waglechner, N., Nizam, F., Desai, P.T., Weinstock, G., Barrett, J.B., Hiott, L.M., Jackson, C.R., Frye, J.G. 2014. Genetic variation and genomic context of antibiotic resistance genes and mobile genetic elements in Salmonella from animals and food production facilities. American Society for Microbiology General Meeting. May 17-20, 2014. Boston, Massachusetts.
Human-associated methicillin-resistant Staphylococcus aureus from a subtropical recreational marine beach - (Peer Reviewed Journal)
Plano, L.R., Shibata, T., Garza, A.C., Kish, J., Fleisher, J., Sinigalliano, C.D., Gidley, M.L., Withum, K., Elmir, S.M., Hower, S., Jackson, C.R., Barrett, J.B., Cleary, T., Davidson, M., Davis, J., Mukherjee, S., Fleming, L.E., Solo-Gabriele, H.M. 2013. Human-associated methicillin-resistant Staphylococcus aureus from a subtropical recreational marine beach. Microbial Ecology. 65(4):1039-1051.
Antimicrobial resistance in Enterococcus spp. isolated from environmental samples in the area of intensive poultry production - (Peer Reviewed Journal)
Furtula, V., Jackson, C.R., Farrell, E.G., Barrett, J.B., Hiott, L.M., Chambers, P. 2013. Antimicrobial resistance in Enterococcus spp. isolated from environmental samples in the area of intensive poultry production. International Journal of Environmental Research and Public Health. 10(3):1020-1036.
Clonally related methicillin-resistant Staphylococcus aureus isolated from short-finned pilot whales (Globicephala macrorhynchus), human volunteers, and a bayfront cetacean rehabilitation facility - (Peer Reviewed Journal)
Hower, S., Phillips, M.C., Brodsky, M., Dameron, A., Tamargo, M.A., Salazar, N.C., Jackson, C.R., Barrett, J.B., Davidson, M., Davis, J., Mukherjee, S., Ewing, R.Y., Gidley, M.L., Sinigalliano, C.D., Johns, L., Johnson Iii, F.E., Adebanjo, O., Plano, L.R. 2013. Clonally related methicillin-resistant Staphylococcus aureus isolated from short-finned pilot whales (Globicephala macrorhynchus), human volunteers, and a bayfront cetacean rehabilitation facility. Microbial Ecology. 65(4):1024-1038.
Prevalence and characterization of Methicillin-resistant Staphylococcus aureus isolates from retail meat and humans in Georgia - (Peer Reviewed Journal)
Jackson, C.R., Davis, J.A., Barrett, J.B. 2013. Prevalence and characterization of Methicillin-resistant Staphylococcus aureus isolats from retail meat and humans in Georgia. Journal of Clinical Microbiology. 51(4):1199-1207.
Analysis and comparison of antimicrobial resistance mechanisms and plasmids found in multi-drug resistant (MDR) Salmonella enterica and Escherichia coli - (Abstract Only)
Frye, J.G., Hiott, L.M., Barrett, J.B., Glenn, L.M., Englen, M.D., Jackson, C.R. 2012. Analysis and comparison of antimicrobial resistance mechanisms and plasmids found in multi-drug resistant (MDR) Salmonella enterica and Escherichia coli. American Society for Microbiology 112th General Meeting, June 16-19, 2012, San Francisco, California. p. 143.
Application of multiplex PCR, pulsed-field gel electrophoresis (PFGE), and BOX-PCR for molecular analysis of enterococci - (Book / Chapter)
Jackson, C.R., Spicer, L.M., Barrett, J.B., and Hiott, L.M. 2012. Application of multiplex PCR, Pulsed-Field Gel Electrophoresis (PFGE), and BOX-PCR for molecular analysis of enterococci. In: Magdelden, S., editors. Gel Electrophoresis. Rijeka, Croatia: InTech-Open Access. p. 269-298. Available: http://www.intechopen.com/articles/show/title/application-of-multiplex-pcr-pulsed-field-gel-electrophoresis-pfge-and-box-pcr-for-molecular-analysis.
A comparison of BOX-PCR and pulsed-field gel electrophoresis to determine genetic relatedness of enterococci from different environments - (Peer Reviewed Journal)
Jackson, C.R., Furtula, V., Farrell, E.G., Barrett, J.B., Hiott, L.M., Chambers, P. 2012. A comparison of BOX-PCR and pulsed-field gel electrophoresis to determine genetic relatedness of enterococci from different environments. Microbial Ecology. 64(2):378-387.
Analysis of antimicrobial resistance mechanisms in multi-drug resistant (MDR) Salmonella enterica by high-throughput DNA sequencing - (Abstract Only)
Frye, J.G., Hiott, L.M., Barrett, J.B., Glenn, L.M., Englen, M.D., Jackson, C.R., Cray, P.J. 2012. Analysis of antimicrobial resistance mechanisms in multi-drug resistant (MDR) Salmonella enterica by high-throughput DNA sequencing. International Conference on Emerging Infectious Diseases, March 11-14, 2012, Atlanta, Georgia. p.180.
Anatomical Distribution and Genetic Relatedness of Antimicrobial Resistant E. coli from Healthy Companion Animals - (Peer Reviewed Journal)
Davis, J.A., Jackson, C.R., Cray, P.J., Barrett, J.B., Brousse,Jr, J.H., Gutafson, J., Kucher, M. 2011. Anatomical Distribution and Genetic Relatedness of Antimicrobial Resistant E. coli from Healthy Companion Animals. Journal of Applied Microbiology. 110(2):597-604.
Mechanisms of antimicrobial resistance and genetic relatedness among enterococci isolated from dogs and cats in the United States - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Davis, J.A., Barrett, J.B., Brousse, Jr, J.H., Gustafson, J., Kucher, M. 2010. Mechanisms of antimicrobial resistance and genetic relatedness among enterococci isolated from dogs and cats in the United States. Journal of Applied Microbiology. 108(6):2171-2179.
Development of a DNA microarray to detect antimicrobial resistance genes identified in the national center for biotechnology information database - (Peer Reviewed Journal)
Frye, J.G., Lindsey, R.L., Rondeau, G., Porwollik, S., Long, F., Mcclelland, M., Jackson, C.R., Englen, M.D., Meinersmann, R.J., Berrang, M.E., Davis, J.A., Barrett, J.B., Turpin, J.B., Thitaram, S.N., Cray, P.J. 2010. Development of a DNA microarray to detect antimicrobial resistance genes identified in the national center for biotechnology information database. Microbial Drug Resistance. 16(1):9-19.
Prevalence, species distribution and antimicrobial resistance of enterococci isolated from dogs and cats in the United States - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Davis, J.A., Barrett, J.B., Frye, J.G. 2009. Prevalence, species distribution and antimicrobial resistance of enterococci isolated from dogs and cats in the United States. Journal of Applied Microbiology. 107(4):1269-1278.
Antimicrobial resistance and virulence of Enterococcus faecalis isolated from retail food - (Peer Reviewed Journal)
Mcgowan-Spicer, L., Cray, P.J., Frye, J.G., Meinersmann, R.J., Barrett, J.B., Jackson, C.R. 2008. Antimicrobial resistance and virulence of Enterococcus faecalis isolated from retail food. Journal of Food Protection. 71(4):760-769.
First report of vatB and vgaB from Enterococcus gallinarum in the USA - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Barrett, J.B., Hiott, L.M., Woodley, T.A. 2008. First report of vatB and vgaB from Enterococcus gallinarum in the USA.International Journal of Antimicrobial Agents. 31(2):175-187.
Introduction to USDA Vetnet: Status of Salmonella and Campylobacter Databases from 2004 Through 2005 - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Wineland, N., Tankson, J.D., Barrett, J.B., Douris, A., Pearson Gresham, C., Hall, M.C., Mcglinchey, B., Price, M.V. 2007. Introduction to usda vetnet: status of salmonella and campylobacter databases from 2004 through 2005. Foodborne Pathogens and Disease. 4(2):241-248.
Prevalence of streptogramin resistance in enterococci from animals: Identification of vatD from animal sources in the United States - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Barrett, J.B., Hiott, L.M., Woodley, T.A. 2007. Prevalence of streptogramin resistance in enterococci from animals: Identification of vatD from animal sources in the United States. International Journal of Antimicrobial Agents. 30(1):60-66.
Identification and Characterization of the Streptogramin Resistance Genes, vatB and vgaB, from Enterococcus gallinarum in the United States - (Abstract Only)
Jackson, C.R., Cray, P.J., Barrett, J.B., Hiott, L.M., Woodley, T.A. 2007. Identification and Characterization of the Streptogramin Resistance Genes, vatB and vgaB, from Enterococcus gallinarum in the United States. American Society for Microbiology Conference. 167/A(A-064):15.
Prevalence of Streptogramin Resistance in Enterococci from Animals: Identification of the First Vatd from Enterococci in the United States - (Abstract Only)
Jackson, C.R., Cray, P.J., Barrett, J.B., Hiott, L.M., Woodley, T.A. 2006. Prevalence of streptogramin resistance in enterococci from animals: identification of the first vatd from enterococci in the united states [abstract]. Proceedings of the International Conference on Emerging Infectious Diseases. 415:171.
Prevalence and Antimicrobial Resistance of Enterococci Isolated from Retail Fruits, Vegetables, and Meats - (Peer Reviewed Journal)
Mcgowan, L., Cray, P.J., Jackson, C.R., Barrett, J.B., Hiott, L.M. 2006. Prevalence and antimicrobial resistance of enterococci isolated from retail fruits, vegetables, and meats. Journal of Food Protection. 69(12):2976-2982.
Effect of Subtherapeutic Antimicrobials on Genetic Diversity of Enterococcus Faecium from Chickens - (Peer Reviewed Journal)
Jackson, C.R., Debnam, A.L., Barrett, J.B., Hofacre, C.L. 2006. Effect of subtherapeutic antimicrobials on genetic diversity of enterococcus faecium from chickens. Avian Diseases. 50(1):115-119.
Effect of Growth Promotant Usage on Enterococci Species on a Poultry Farm - (Peer Reviewed Journal)
Debnam, A.L., Jackson, C.R., Barrett, J.B., Hofacre, C.L. 2005. Effect of growth promotant usage on enterococci species on a poultry farm. Avian Diseases. 49(3):361-365.
Neuropeptide Y Modulates Growth Hormone Secretion But Not Luteinizing Hormone Secretion from Prepuberal Gilt Anterior Pituitary Cells in Culture - (Peer Reviewed Journal)
Barb, C.R., Barrett, J.B. 2005. Neuropeptide Y modulates growth hormone secretion but not luteinizing hormone secretion from prepuberal gilt anterior pituitary cells in culture. Domestic Animal Endocrinology. 29:548-555.
Genetic relatedness of high-level aminoglycoside resistant enterococci isolated from poultry carcasses - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Barrett, J.B., Ladely, S.R. 2004. Genetic relatedness of high-level aminoglycoside resistant enterococci isolated from poultry carcasses. Avian Diseases. 48(1):100-107.
High-Level Aminoglycoside Resistant Enterococci Isolated from Swine - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Barrett, J.B., Ladely, S.R. 2004. High-level aminoglycoside resistant enterococci isolated from swine. Epidemiology and Infection. V. 133. P. 367-371.
Use of a Genus and Species-Specific Multiplex Pcr for Identification of Enterococci - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Barrett, J.B. 2004. Use of a genus- and species-specific multiplex PCR for identification of enterococci. Journal of Clinical Microbiology. 42(8):3558-3565.
Effects of tylosin use on erythromycin resistance in enterococci isolated from swine - (Peer Reviewed Journal)
Jackson, C.R., Cray, P.J., Barrett, J.B., Ladely, S.R. 2004. Effects of tylosin use on erythromycin resistance in enterococci isolated from swine. Applied and Environmental Microbiology. 70(7):4205-4210.
The Role of Melanocortin-3/4-Receptor in Regulating Appetite, Energy Homeostasis and Neuroendocrine Function in the Pig - (Peer Reviewed Journal)
Barb, C.R., Robertson, A., Barrett, J.B., Kraeling, R.R., Houseknecht, K.L. 2004. The role of melanocortin-3/4-receptor in regulating appetite, energy homeostasis and neuroendocrine function in the pig. Journal of Endocrinology. 2004. v. 181. p. 39-52.
Prevalence and Antimicrobial Resistance of Enterococci Isolated from Grocery Items - (Abstract Only)
Jackson, C.R., Cray, P.J., Barrett, J.B. 2003. Prevalence and antimicrobial resistance of enterococci isolated from grocery items. National Antimicrobial Resistance Monitoring System Scientific Meeting. November 19-22, 2002. Hilton Head, SC.
Role of Leptin in Modulating the Hypothalamus-Pituitary Axis and Luteinizing Hormone Secretion in the Prepuberal Gilt. - (Peer Reviewed Journal)
Barb, C.R., Barrett, J.B., Kraeling, R.R. 2004. Role of leptin in modulating the hypothalamic-pituitary axis and luteinizing hormone secretion in the prepuberal gilt. Domestic Animal Endocrinology. 2004. v. 26. p. 201-214.
Orexin-B Modulates Lh and Gh Secretion: Interaction with the Brain-Pituitary Axis in the Pig. - (Abstract Only)
Barb, C.R., Barrett, J.B., Kraeling, R.R., Matteri, R.L. Orexin-B modulates LH and GH secretion: interaction with the brain-pituitary axis in the pig. Journal of Animal Science. 2003. v. 81(Suppl.1): Abstract p. 101.
Intracerebroventricular Injection of Melanocortin-3/4-Receptor (Mc3/4-R) Ligands in the Pig: Acute Effects on Feed Intake and Pituitary Hormone Secretion. - (Abstract Only)
Barb, C.R., Barrett, J.B., Kraeling, R.R., Robertson, A.S., Houseknecht, K.L. Intracerebroventricular injection of Melanocortin-3/4-Receptor (MC3/4-R) ligands in the pig: acute effects on feed intake and pituitary hormone secretion. Endocrine Society Annual Meeting. 2003. Abstract No. P1-205.
Prevalence and Antimicrobial Resistance of Enterococci Isolated from Grocery Items - (Abstract Only)
Hudson,C.R., Cray,P.J., Barrett,J.B., Prevalence and Antimicrobial Resistance of Enterococci Isolated from Grocery Items, Interscience Conference of Antimicrobial Agents & Chemotheraphy Proceedings pg. 85
Prevalence and Antimicrobial Resistance of Enterococci Isolated from Retail Meats - (Abstract Only)
Hudson, C., Cray, P.J., Barrett, J.B. Prevalence and antimicrobial resistance of enterococci isolated from retail meats. National Foundation For Infectious Disease. pg.45
Detection of Class I Integron and Marrab Operon in Multiple Drug Resistant Salmonella Enterica Serotype Niakhar - (Proceedings)
Tankson, J.D., Cray, P.J., Jackson, C.R., Gray, J.T., Barrett, J.B., Headrick, M. 2002. DETECTION OF CLASS I INTEGRON AND MARRAB OPERON IN MULTIPLE DRUG RESISTANT SALMONELLA ENTERICA SEROTYPE NIAKHAR. National Foundation for Infectious Disease. P.37 S-10.
Prevalence of Aminoglycoside Resistance among Enterococci Isolated from Poultry and Swine - (Abstract Only)
Jackson, C.R., Cray, P.J., Barrett, J.B., Ladely, S.R. 2002. Prevalence of aminoglycoside resistance among enterococci isolated from poultry and swine. Emerging Infectious Diseases. Board 18. P. 74.
Detection of a Class I Integron in Multi-Drug Resistant Salmonella Niakhar - (Abstract Only)
TANKSON, J.D., CRAY, P.J., HUDSON, C.R., GRAY, J.T., BARRETT, J.B., HEADRICK, M. DETECTION OF A CLASS I INTEGRON IN MULTI-DRUG RESISTANT SALMONELLA NIAKHAR. EMERGING INFECTIOUS DISEASES. Session 50, abstract#15; p. 132
Effects of N-Methyl-D, L-Aspartate on Lh, Gh and Testosterone Secretion in Goat Bucks Maintained under Long Or Short Photoperiods. - (Peer Reviewed Journal)
Gazal, O.S., Kouakou, B., Amoah, E., Barb, C.R., Barrett, J.B., Gelaye, S. 2002. Effects of n-methyl-d, l-aspartate on lh, gh and testosterone secretion in goat bucks maintained under long or short photoperiods.. Journal of Animal Science.
Prevalence of Aminoglycoside Resistance among Enterococci Isolated from Swine - (Proceedings)
Jackson, C.R., Cray, P.J., Barrett, J.B., Hall, M.C., Jain, L., Reeves, D.E. Prevalence of aminoglycoside resistance among enterococci isolated from swine. Foodborne Pathogens Analysis Conference. 2001.
Feed Intake, Serum Gh, Lh, and Cortisol in Gilts after Intracerebroventricular Or Intravenous Injection of Urocortin - (Peer Reviewed Journal) - (08-Sep-00)
Last Modified: 11/27/2014