Escherichia coli O157:H7 in microbial flora of sheep

Author:

Kudva I T1,Hatfield P G1,Hovde C J1

Affiliation:

1. Department of Microbiology, Molecular Biology, and Biochemistry, University of Idaho, Moscow 83843, USA.

Abstract

We found naturally occurring, potentially virulent Escherichia coli O157:H7 strains in sheep. The incidence of E. coli O157:H7 was transient and ranged from 31% of sheep in June to none in November. The use of a sensitive culture technique and the choice of the proper sampling season were both essential for detecting this bacterium in sheep. DNA hybridizations showed that 80% of the E. coli O157:H7 isolates had at least two of the Shiga-like toxin types I or II or the attaching-effacing lesion genes.

Publisher

American Society for Microbiology

Subject

Microbiology (medical)

Reference20 articles.

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5. Griffin P. M. 1995. Escherichia coli O157:H7 and other enterohemorrhagic Escherichia coli p. 739-761. In M. F. Blaser P. D. Smith J. I. Ravdin H. B. Greenberg and R. L. Guerrant (ed.) Infections of the gastrointestinal tract. Raven Press Ltd. New York.

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