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Skip to Search Results- 39Escherichia coli
- 15Listeria monocytogenes
- 8Beef
- 6Heat resistance
- 5Growth implants
- 3Ready-to-eat meat
- 8Gänzle, Michael G.
- 4Aalhus, J. L.
- 4Basarab, J. A.
- 3Garcia-Hernandez, Rigoberto
- 3McMullen, Lynn M.
- 2Bruce., H. L.
- 40Graduate and Postdoctoral Studies (GPS), Faculty of
- 40Graduate and Postdoctoral Studies (GPS), Faculty of/Theses and Dissertations
- 9Agricultural, Food and Nutritional Science, Department of
- 9Agricultural, Food and Nutritional Science, Department of/Journal Articles (Agricultural, Food and Nutritional Science)
- 5Roy Berg Kinsella Research Ranch
- 5Roy Berg Kinsella Research Ranch/Journal Articles (Kinsella Ranch)
- 20Department of Agricultural, Food, and Nutritional Science
- 6Department of Biological Sciences
- 3Department of Food Science
- 2Department of Chemical and Materials Engineering
- 2School of Public Health
- 1Department of Agriculture, Food and Nutritional Science
- 5McMullen, Lynn (Agricultural, Food and Nutritional Science)
- 5Raivio, Tracy (Biological Sciences)
- 2Gaenzle, Michael (Agricultural, Food and Nutritional Science)
- 2Gaenzle, Michael (Agricultural, Food, and Nutritional Science)
- 2Gänzle, Michael (Agricultural, Food and Nutritional Science)
- 1Betti, Mirko (Agricultural, Food & Nutritional Science )
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Development and validation of a surrogate strain cocktail to evaluate bactericidal effects of pressure on verotoxigenic Escherichia coli
Download2015-01-01
Garcia-Hernandez, Rigoberto, McMullen, Lynn, Gänzle, Michael G.
Many strains of verotoxigenic Escherichia coli (VTEC) are highly resistant to pressure. To facilitate future studies to improve the elimination of VTEC by pressure processing of food, this study developed and validated a cocktail of non-pathogenic strains of E. coli with equal or higher...
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Development of an optical biosensor based on Mach-Zehnder Interferometry for detection of Listeria monocytogenes
DownloadFall 2013
Label-free optical biosensors are widely used for the detection of pathogens due to their low-cost, real-time detection and high sensitivity. A Mach-Zehnder Interferometer (MZI) based biosensor has been developed for the detection of gram-positive bacteria, Listeria monocytogenes. An extensive...
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Spring 2019
The safety of low water activity (aW) foods is a concern due to the survival of low-infectious dose pathogens such as Escherichia coli and Salmonella. Desiccation of non-heat resistant E. coli and Salmonella increases their heat resistance; therefore, a non-thermal alternative is necessary to...
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Effect of Preservatives on Growth and Filamentation of Listeria monocytogenes on Ready-to-Eat Meats
DownloadFall 2020
Listeria monocytogenes is a foodborne pathogen known to contaminate RTE foods and grow at refrigeration temperatures. It is also known to form filaments when stressed, which may affect enumeration and compromise consumer safety. The objective of this study was to observe the growth and...
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2016-01-01
Li, Hui, Garcia-Hernandez, Rigoberto, Driedger, Darcy, McMullen, Lynn M., Gänzle, Michael G.
The pressure resistance of Shiga-toxin producing Escherichia coli (STEC) depends on food matrix. This study compared the resistance of two five-strain E. coli cocktails, as well as the pressure resistant strain E. coli AW1.7, to hydrostatic pressure application in bruschetta, tzatziki, yoghurt...
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Effects of production system and growth promotants on the physiological maturity scores in steers
Download2014
Aalhus, J. L., Basarab, J. A., N. Prieto, I. L., López-Campos, Ó., Larsen, M.
Over a 2-yr period, 224 crossbred steers were allotted to a 2×2×2 factorial arrangement of treatments to determine the effect of the production system (calf-fed vs. yearling-fed), growth implant strategy (non-implanted vs. implanted) and β-agonist supplementation (no ractopamine vs. ractopamine)...
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Environmental Risk Factors Associated with Contamination of Private Drinking Water Wells with Escherichia coli
DownloadFall 2014
The focus of this research was to identify environmental risk factors that play a critical role in the contamination of drinking water wells with Escherichia coli. This study used data from a case control-study carried out between April 2005 and September 2006 in Ontario and Alberta, using...
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Spring 2019
During food processing, Escherichia coli are exposed to stress from oxidation, osmolarity and temperature, and have developed mechanisms to survive. A highly heat resistant strain of E. coli AW1.7 was isolated from a beef carcass after thermal processing and it has a genomic island called the...
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Fall 2017
Strains of Escherichia coli may survive heat or pressure stress, acquire specific virulence genes and cause severe human diseases. The locus of heat resistance (LHR) has been identified as an important heat resistant element in E. coli. The objective of this thesis was to explore the role of the...