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Evaluation of and Factors that Influence the Site and Extent of Salmonella in Extra Intestinal Tissue of Cattle

Investigators
Edrington, Thomas; Nightingale, Kendra; Loneragen, G.H.; den Baker, H; Bugarel, M
Institutions
Texas Tech University
USDA - Agricultural Research Service
Start date
2014
End date
2015
Objective
The objectives of this study were to evaluate the role of stress hormones in the extent of Salmonella replication within extra-intestinal tissues of cattle (in particular, PLN), to perform whole-genome sequencing (WGS) on Salmonella isolates recovered from cattle samples (feces, hides and PLN) to explore common attributes that could confer a fitness advantage, and to perform WGS on a selection of non-type-specific E. coli isolates recovered from cattle feces that display a phenotype consistent with extended spectrum beta-lactamase (ESBL) producing E. coli which are resistant to many cephalosporins.
Funding Source
Nat'l. Cattlemen's Beef Assoc.
Project source
View this project
Categories
Escherichia coli
Salmonella