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Overview
of Research Program
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Detection and characterization of bacterial pathogens in food including E. coli O157:H7. Salmonella, Listeria monocytogenes, Campylobacter, Yersinia pestis, and Mycobacterium. |
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Ecology and reduction of carriage of Escherichia coli O157:H7 in cattle |
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Development
of probiotic/competitive exclusion bacteria to reduce/eliminate
carriage of E. coli O157:H7 by cattle and prevalence of L. monocytogenes in processing plants |
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| Patents |
| Doyle, M.P. and T. Zhao. August 18, 2009. Composition and method for inhibition of microorganisms. U.S.A. Patent # 7,575,744.
Doyle, M.P. and T. Zhao. March 17, 2009. Composition and method for inhibition of microorganisms. European Patent Office # P713476EPPCT/DE.
Doyle, M. P., T. Zhao, B. G. Harmon, and C. A. Brown. November 5, 2003. Control of enterohemorrhagic E. coli O157:H7 in cattle by probiotic bacteria. China Patent No. ZL 98808111.3.
Doyle, M. P., T. Zhao, B. G. Harmon, and C. A. Brown. January 10, 2002. Control of enterohemorrhagic E. coli O157:H7 in cattle by probiotic bacteria. New Zealand Patent No. 502420.
Doyle, M. P., T. Zhao, B. G. Harmon, and C. A. Brown. October 12, 1999. Control of enterohemorrhagic E. coli O157:H7 in cattle by probiotic bacteria. U.S.A. Patent #5,965,128.
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| Recent Publications (2003 - present) |
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Zhao, T., P. Zhao, and M.P. Doyle. 2009. Inactivation of Salmonella and Escherichia coli O157:H7 on lettuce and poultry skin by combinations of levulinic acid and sodium dodecyl sulfate. J. Food Prot. 72:928-936.
Danyluk, M.D., T. Zhao, and M.P. Doyle. 2007. Competitive inhibition bacteria of bovine origin against Salmonella serovars. J. Food Prot. 70:1804-1810.
Zhao, T. and M.P. Doyle. 2006. Reduction of Campylobacter jejuni on chicken wings by chemical treatments. J. Food Prot. 69:762-767.
Zhao, T., T.C. Podtburg, P. Zhao, B.E. Schmidt, D.A. Baker, B. Cords, and M.P. Doyle. 2006. Control of Listeria spp. by competitive-exclusion bacteria in floor drains of a poultry processing plant. Appl. Environ. Microbiol. 72:3314-3320.
Zhao, T., P. Zhao, J.W. West, J.K. Bernard, H.G. Cross, and M.P. Doyle. 2006. Inactivation of enterohemorrhagic E. coli in drinking water for cattle contaminated with rumen content or feces. Appl. Environ. Microbiol. 72:3268-3273.
Zhao, T., M. P. Doyle, M. C. Kemp, R. S. Howell, and P. Zhao. 2004. Influence of freezing and freezing plus acidic calcium sulfate and lactic acid addition on thermal inactivation of Escherichia coli O157:H7 in ground beef. J. Food Prot. 67:1760-1764.
Zhao, T., M. P. Doyle, and P. Zhao. 2004. Control of Listeria monocytogenes in a biofilm by competitive-exclusion microorganisms. Appl. Environ. Microbiol. 70:3996-4003.
Tkalcic, S., T. Zhao, B. G. Harmon, M. P. Doyle, C. A. Brown, and P. Zhao. 2003. Fecal shedding of enterohemorrhagic Escherichia coli in weaned calves following treatment with probiotic Escherichia coli. J. Food Prot. 66:1184-1189.
Zhao, T., G. O. I. Ezeike, M. P. Doyle, Y.-C. Hung, and R. S. Howell. 2003. Reduction of Campylobacter jejuni on poultry by low-temperature treatment. J. Food Prot. 66:652-655.
Zhao, T., S. Tkalcic, M. P. Doyle, B. G. Harmon, C. A. Brown, and P. Zhao. 2003. Pathogenicity of enterohemorrhagic Escherichia coli in neonatal calves and evaluation of fecal shedding by treatment with probiotic Escherichia coli. J. Food Prot. 66:924-930.
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