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Agricultural Research Service United States Department of Agriculture
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Mark D Englen
Bacterial Epidemiology and Antimicrobial Resistance
Research Microbiologist

Phone: (706) 546-3670
Fax: (706) 546-3066
Room 854
USDA, ARS, SAA
RBRRC
950 COLLEGE STATION ROAD
ATHENS, GA, 30605

Projects
Epidemiology, Ecology, and Molecular Genetics of Antimicrobial Resistance in Pathogenic and Commensal Bacteria from Food Animals
Appropriated (D)
  Accession Number: 410525

Publications
Molecular Characterization of Salmonella enterica and detection of antimicrobial resistance genes - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Berrang, M.E., Meinersmann, R.J. 2009. Molecular Characterization of Salmonella enterica and detection of antimicrobial resistance genes [abstract]. National Poultry Improvement Plan Salmonella Workshop. 6:1-21.
Development of a DNA microarray to detect antimicrobial resistance genes identified in the NCBI database - (Peer Reviewed Journal) - (09-Sep-09)
Analysis of antimicrobial resistance genes detected in Campylobacter coli, Enterococcus spp., Escherichia coli and Salmonella enterica isolated from the same animal sample - (Abstract)
Frye, J.G., Jackson, C.R., Englen, M.D., Meinersmann, R.J., Berrang, M.E., Cray, P.J. 2009. Analysis of antimicrobial resistance genes detected in Campylobacter coli, Enterococcus spp., Escherichia coli and Salmonella enterica isolated from the same animal sample [abstract]. American Society for Microbiology. Philadelphia, PA. May 17-21,2009.
Salmonella enterica Genomics and Antimicrobial Resistance - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Berrang, M.E., Meinersmann, R.J. 2009. Salmonella enterica Genomics and Antimicrobial Resistance. University of Georogia, Microbiology Departmental Seminar, Athens, GA; Apr 2,2009.
Epidemiology, ecology, and molecular genetics of antimicrobial resistance in pathogenic and commensal bacteria from food animals - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Meinersmann, R.J., Berrang, M.E. 2009. Epidemiology, ecology, and molecular genetics of antimicrobial resistance in pathogenic and commensal bacteria from food animals. ARS Food Safety and Inspection Service Research Workshop.Shepherdstown, WV. February 17-19.2009.
Genomic Analysis of Antimicrobial Resistant Commensal and Food Borne Pathogens Isolated from Animals - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Meinersmann, R.J., Berrang, M.E. 2009. Genomic Analysis of Antimicrobial Resistant Commensal and Food Borne Pathogens Isolated from Animals. ARS Food Safety and Inspection Service Research Workshop. Shepherdstown, WV. Feburary 17-19, 2009.
Genotyping Campylobacter jejuni by comparative genome indexing: an evaluation with pulsed-field gel electrophoresis and flaA SVR sequencing - (Peer Reviewed Journal)
Pittenger, L.G., Englen, M.D., Parker, C., Frye, J.G., Quinones, B., Horn, S.T., Son, I., Cray, P.J., Harrison, M.A. 2009. Genotyping Campylobacter jejuni by comparative genome indexing: an evaluation with pulsed-field gel electrophoresis and flaA SVR sequencing. Foodborne Pathogens and Disease. 6(3):337-349.
Animal NARMS Surveillance Data - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. 2008. Animal NARMS Surveillance Data. United States Animal Health Association Proceedings.Greensboro, NC. Oct. 26, 2008
23S rRNA gene mutations contributing to macrolide resistance in Campylobacter jejuni and Campylobacter coli - (Peer Reviewed Journal)
Ladely, S.R., Meinersmann, R.J., Englen, M.D., Cray, P.J., Harrison, M.A. 2009. 23S rRNA gene mutations contributing to macrolide resistance in Campylobacter jejuni and Campylobacter coli. Foodborne Pathogens and Disease. 6(1):91-98.
Detection of antimicrobial resistance genes by DNA microarray - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Berrang, M.E., Meinersmann, R.J. 2008. Detection of antimicrobial resistance genes by DNA microarray. Walter Reed Army Institute of Research, May 15, 2008, Silver Springs, Maryland.
Analysis of Campylobacter jejuni Whole Genome DNA Microarrays to Identify Gene Differences for Use in Strain Subtyping - (Abstract)
Englen, M.D., Pittenger, L.G., Frye, J.G., Reeves, J., Mcnerney, V., Cray, P.J., Harrison, M.A. 2008. Analysis of Campylobacter jejuni Whole Genome DNA Microarrays to Identify Gene Differences for Use in Strain Subtyping. American Society for Microbiology General Meeting. CD-ROM P-049.
A Comparison of Methods for the Speciation of Campylobacter - (Abstract)
Cray, P.J., Plumblee, J., Englen, M.D. 2007. A comparison of methods for the speciation of campylobacter. 2nd Symposium on Antimicrobial Resistance in Animals and the Environmnet(ARAE2007), December 17-19, 2007, Tours, France.
Application of Microarray Technology to Investigate Salmonella genomics - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. 2007. Application of Microarray Technology to Investigate Salmonella genomics. University of Delaware Department of Animal and Food Sciences Seminar.
Susceptibility of Listeria monocytogenes, L. innocua, and L. welshimeri Isolated from Various Sources to Antibiotics - (Abstract)
Davis, J.A., Jackson, C.R., Bailey, J.S., Berrang, M.E., Frye, J.G., Englen, M.D., Meinersmann, R.J., Cray, P.J. 2007. Susceptibility of Listeria monocytogenes, L. innocua, and L. welshimeri Isolated from Various Sources to Antibiotics [abstract]. Interscience Conference on Antimicrobial Agents & Chemotherapy Proceedings. 225 p.124 E-2085.
Salmonella research in the Bacterial Epidemiology and Antimicrobial Resistance Research Unit at ARS - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Bailey, J.S., Berrang, M.E., Meinersmann, R.J. 2007. Salmonella research in the Bacterial Epidemiology and Antimicrobial Resistance Research Unit at ARS. Cornell Institute of Food Science Summer Scholar Program.
Development of Macrolide-Resistant Campylobacter in Broilers Administered Subtherapeutic or Therapeutic Concentrations of Tylosin - (Peer Reviewed Journal)
Ladely, S.R., Harrison, M.A., Cray, P.J., Berrang, M.E., Englen, M.D., Meinersmann, R.J. 2007. Development of Macrolide Resistant Campylobacter in Broilers Administered Subtherapeutic or Therapeutic Levels of Tylosin. Journal of Food Protection. 70(8):1945-1951.
Antimicrobial Resistance in Campylobacter jejuni and Campylobacter coli isolated from Chicken Carcass Rinsates: Update from the Animal Arm of NARMS - (Abstract)
Cray, P.J., Plumblee, J., Anandaraman, N., Englen, M.D., Meinersmann, R.J. 2007. Antimicrobial Resistance in Campylobacter jejuni and Campylobacter coli isolated from Chicken Carcass Rinsates: Update from the Animal Arm of NARMS. International Association for Food Protection. P2-51:158-159.
USDA Data on Antimicrobial Resistance - (Abstract)
Cray, P.J., Bailey, J.S., Frye, J.G., Jackson, C.R., Englen, M.D., Plumblee, J., Haro, J.H. 2007. Usda data on antimicrobial resistance. American Association of Veterinary Pharmacology & Therapeutics.
DNA Micorarrays for Genotyping and Population Studies of Campylobacter Jejuni - (Abstract)
Pittenger, L.G., Englen, M.D., Frye, J.G., Mcnerney, V., Reeves, J., Gay, K.R., Cray, P.J., Harrison, M.A. 2007. Dna micorarrays for genotyping and population studies of campylobacter jejuni. International Association for Food Protection. P5-07:224-225.
Molecular subtyping methods for campylobacter - (Proceedings/Symposium)
Frye, J.G., Englen, M.D., Meinersmann, R.J., Cray, P.J. 2007. Molecular subtyping methods for campylobacter. USDA Annual Food Safety Research Planning Meeting. February 21-23, 2007.
DNA Microarray Detection of Antimicrobial Resistance Genes in Bacteria Co-Cultured from Swine Feces - (Abstract)
Frye, J.G., Jackson, C.R., Englen, M.D., Meinersmann, R.J., Berrang, M.E., Bailey, J.S., Rondeau, G., Long, F., Porwollik, S., Mcclelland, M. 2007. Dna microarray detection of antimicrobial resistance genes in bacteria co-cultured from swine feces. American Society for Microbiology Conference. 167/A(A-076):17.
Detection of antimicrobial resistance genes by DNA microarray - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Bailey, J.S., Berrang, M.E., Meinersmann, R.J. 2006. Detection of antimicrobial resistance genes by DNA microarray [abstract]. Alliance for the Prudent Use of Antibiotics 1st World Congress, December 11-12, 2006, Boston, MA.
Antimicrobial Resistance of Arcobacter and Campylobacter from Broiler Carcasses - (Peer Reviewed Journal)
Son, I., Englen, M.D., Berrang, M.E., Cray, P.J., Harrison, M.A. 2007. Antimicrobial resistance of arcobacter and campylobacter from broiler carcasses. International Journal of Antimicrobial Agents. 29(4):451-455.
Application of Microarray Technology to Investigate Salmonella and Antimicrobial Resistance - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. Application of Microarray Technology to Investigate Salmonella and Antimicrobial Resistance [abstract]. University of Georgia, Athens, Georgia, October 23, 2006.
Development of Macrolide Resistanct Campylobacter in Broilers Administered Subtherapeutic or Therapeutic Levels of Tylosin - (Abstract)
Ladely, S.R., Harrison, M.A., Cray, P.J., Berrang, M.E., Englen, M.D., Meinersmann, R.J. 2007. Development of Macrolide Resistanct Campylobacter in Broilers Administered Subtherapeutic or Therapeutic Levels of Tylosin. Southern Poultry Science Society Meeting Abstracts. 43 T129.
Detection of antimicrobial resistance genes by DNA microarray - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. Detection of antimicrobial resistance genes by DNA microarray [abstract]. Kansas State University, October 5, 2006.
Update: The National Antimicrobial Resistance Monitoring System Enteric Bacteria (NARMS): Animal Arm - (Proceedings/Symposium)
Cray, P.J., Bailey, J.S., Frye, J.G., Jackson, C.R., Englen, M.D., Berrang, M.E., Meinersmann, R.J., Wineland, N.E., Dargatz, D.A., Anandarama, N. Update: The National Antimicrobial Resistance Monitoring System Enteric Bacteria (NARMS): Animal Arm. United States Animal Health Association Proceedings. 2006.
Overview Of Antimicrobial Resistance In Food Borne Pathogens In The United States - (Proceedings/Symposium)
Cray, P.J., Bailey, J.S., Frye, J.G., Jackson, C.R., Englen, M.D., Plumblee, J., Haro, J.H., Anandarama, N. 2006. Overview Of Antimicrobial Resistance In Food Borne Pathogens In The United States. United States-Japan Cooperative Program in Natural Resources. FS31-FS33. 10/21/2006.
Characterization and Tracking of Antimicrobial Resistant Pathogens at Various Points along the Poultry Production Chain - (Proceedings/Symposium)
Cray, P.J., Bailey, J.S., Frye, J.G., Jackson, C.R., Englen, M.D., Plumblee, J., Haro, J.H., Anandarama, N. 2006. Characterization and Tracking of Antimicrobial Resistant Pathogens at Various Points along the Poultry Production Chain. Poultry Health and Processing National Meeting Proceedings.49-52.
Prevalence and Antimicrobial Resistance of Campylobacter in U.S. Dairy Cattle - (Peer Reviewed Journal)
Englen, M.D., Hill, A.E., Dargatz, D.A., Ladely, S.R., Cray, P.J. 2007. Prevalence and antimicrobial resistance of campylobacter in u.s. dairy cattle. Journal of Applied Microbiology. 102:1570-1577.
Prevalence of Arcobacter and Campylobacter on Broiler Carcasses During Processing - (Peer Reviewed Journal)
Son, I., Englen, M.D., Berrang, M.E., Cray, P.J., Harrison, M.A. Prevalence of arcobacter and campylobacter on broiler carcasses during processing. International Journal of Food Microbiology. 13(1):16-22. 2007.
Development of a Universal DNA Microarray for Detecting Exogenous Antimicrobial Resistance Genes in Diverse Bacteria - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. 2006. Development of a universal dna microarray for detecting exogenous antimicrobial resistance genes in diverse bacteria. Annual Conference of Antimicrobial Resistance. S8:43.
Antimicrobial Resistance in Campylobacter Jejuni and Campylobacter Coli Isolated from Chicken Carcass Rinsates - (Abstract)
Cray, P.J., Plumblee, J., Anandaraman, N., Rose, B., Salamone, B., Englen, M.D., Meinersmann, R.J. 2006. Antimicrobial resistance in campylobacter jejuni and campylobacter coli isolated from chicken carcass rinsates. Annual Conference of Antimicrobial Resistance.
Detection of Exogenous Antimicrobial Resistance Genes by DNA Microarray - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. 2006. Detection of exogenous antimicrobial resistance genes by dna microarray [abstract]. Symposium on DNA-based Serotyping and Subtyping of Enteric Bacteria.
Detection of Antimicrobial Resistance Genes by DNA Microarray - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D. 2006. Detection of antimicrobial resistance genes by dna microarray [abstract]. Washington State Department of Health, Seattle, WA, February 15, 2006.
Genetic Diversity of Arcobacter and Campylobacter on Broiler Carcasses During Processing - (Peer Reviewed Journal)
Son, I., Englen, M.D., Berrang, M.E., Cray, P.J., Harrison, M.A. Genetic diversity of arcobacter and campylobacter on broiler carcasses during processing. Journal of Food Protection. 69(5):1028-1033. 2006.
Genomic Methods for Typing Salmonella Enterica Clones - (Abstract)
Frye, J.G., Cray, P.J., Jackson, C.R., Englen, M.D., Jesse, T.W. 2005. Genomic methods for typing salmonella enterica clones. U.S. Poultry Food Safety Conference. .
Ars' Frye on Developing An Array to Detect Antimicrobial Resistance Genes - (Abstract)
Frye, J.G., Jackson, C.R., Englen, M.D., Cray, P.J. 2005. Ars' frye on developing an array to detect antimicrobial resistance genes. BioArray News. Nov 16;5(44):8-10.
DNA Chips Spot and Help Track Antibiotic Resistance - (Abstract)
Frye, J.G., Jackson, C.R., Englen, M.D., Cray, P.J. 2005. Dna chips spot and help track antibiotic resistance. Agricultural Research Service Publication. Nov; 53 (11): 17.
Two Distinct Mutations in Gyra Lead to Ciprofloxacin and Nalidixic Acid Resistance in Campylobacter Coli and Campylobacter Jejuni Isolated from Chickens and Beef Cattle - (Peer Reviewed Journal)
Jesse, T.W., Englen, M.D., Pittenger, L.G., Cray, P.J. 2006. Two distinct mutations in gyra lead to ciprofloxacin and nalidixic acid resistance in campylobacter coli and campylobacter jejuni isolated from chickens and beef cattle. Journal of Applied Microbiology. 100(4):682-688.
DNA Microarray Detection of Antimicrobial Resistance Genes in Diverse Bacteria - (Peer Reviewed Journal)
Frye, J.G., Jesse, T.W., Long, F., Rondeau, G., Porwollik, S., McClelland, M., Jackson, C.R., Englen, M.D., Cray, P.J. 2006. DNA microarray detection of antimicrobial resistance genes in diverse bacteria. International Journal of Antimicrobial Agents. 27(2):138-151.
Bacterial Epidemiology and Antimicrobial Resistance Research Unit Projects - (Abstract)
Frye, J.G., Jackson, C.R., Englen, M.D., Bailey, J.S., Meinersmann, R.J., Berrang, M.E., Cray, P.J. Bacterial epidemiology and antimicrobial resistance research unit projects. Advances in Pre-harvest Reduction of Salmonella and Poultry. 2005.
Narms, Vetnet and Cahfse - (Abstract)
Jackson, C.R., Frye, J.G., Englen, M.D., Bailey, J.S., Meinersmann, R.J., Berrang, M.E., Cray, P.J. 2005. Narms, vetnet and cahfse. Advances in Pre-harvest Reduction of Salmonella and Poultry .
Sequence Analysis of Two Cryptic Plasmids from An Agricultural Isolate of Campylobacter Coli - (Peer Reviewed Journal)
Jesse, T.W., Pittenger, L.G., Englen, M.D. 2005. Sequence analysis of two cryptic plasmids from an agricultural isolate of campylobacter coli. Plasmid Journal. 55(1):64-69.
Prevalence and Genetic Diversity of Arcobacter and Campylobacter on Broiler Carcasses during Processing - (Abstract)
Son, I., Englen, M.D., Berrang, M.E., Harrison, M.A. 2005. Prevalence and Genetic Diversity of Arcobacter and Campylobacter on Broiler Carcasses during Processing. International Association for Food Protection. 85 (P2-02).
Antimicrobial Susceptibility Patterns of Campylobacter from Feedlot Cattle - (Peer Reviewed Journal)
Englen, M.D., Cray, P.J., Ladely, S.R., Dargatz, D.A. 2005. Antimicrobial susceptibility patterns of campylobacter from feedlot cattle. Journal of Applied Microbiology. 99:285-291.
Multiple Resistance among Campylobacter from Poultry - 1998-2003 - (Abstract)
Cray, P.J., Plumblee, J., Englen, M.D., Headrick, M.L. 2004. Multiple resistance among campylobacter from poultry - 1998-2003. National Foundation for Infectious Disease. Abstract. S5. P. 34.
Factors Affecting the Testing for Antimicrobial Resistance - (Abstract)
Cray, P.J., Englen, M.D., Gray, J.T., Jackson, C.R., Headrick, M.L., Tollefson, L., Anandaraman, N., Salamone, B.P., Rose, B.E., Dargatz, D.A. 2003. Factors affecting the testing for antimicrobial resistance. American Veterinary Medical Association Abstract. P. 45.
National Antimicrobial Resistance Monitoring System (Narms) - (Abstract)
Cray, P.J., Englen, M.D., Gray, J.T., Jackson, C.R., Headrick, M.L., Tollefson, L., Anandaraman, N., Salamone, B.P., Rose, B.E., Dargatz, D.A. 2003. National antimicrobial resistance monitoring system (narms). American Veterinary Medical Association Abstract. P. 79.
Programs for Monitoring Antimicrobial Resistance - (Peer Reviewed Journal)
CRAY, P.J., ENGLEN, M.D., GRAY, J.T., HUDSON, C.R., HEADRICK, M. PROGRAMS FOR MONITORING ANTIMICROBIAL RESISTANCE. ANIMAL BIOTECHNOLOGY JOURNAL. 2002. V.13, NO.1, P. 43-55.
Multiple Drug Resistance: Trends and Implications - (Abstract)
Cray, P.J., Headrick, M., Englen, M.D., Gray, J.T., Jackson, C.R., Tankson, J.D., Anandaraman, N., Salamone, B., Rose, B., Dargatz, D.A. 2002. Multiple drug resistance: trends and implications. International Association for Food Protection. 749-750.
Comparison of Antimicrobial Resistance Patterns in Campylobacter Species Isolated from Broiler Chickens in 1999 and 2000 - (Abstract)
Cray, P.J., Headrick, M.L., Anadaraman, N., Englen, M.D. 2002. Comparison of antimicrobial resistance patterns in campylobacter species isolated from broiler chickens in 1999 and 2000. Emerging Infectious Diseases. Board 26. P. 135-136.

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