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Applied and Environmental Microbiology, February 2007, p. 1380-1382, Vol. 73, No. 4
0099-2240/07/$08.00+0     doi:10.1128/AEM.02242-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.

SHORT REPORT

Escherichia coli O157:H7 Colonization at the Rectoanal Junction of Long-Duration Culture-Positive Cattle{triangledown}

Ji Youn Lim,1 Jie Li,1 Haiqing Sheng,1 Thomas E. Besser,2 Kathleen Potter,2 and Carolyn J. Hovde1*

Department of Microbiology, Molecular Biology, and Biochemistry, University of Idaho, Moscow, Idaho 83844,1 Department of Veterinary Microbiology and Pathology, Washington State University, Pullman, Washington 991642

Received 22 September 2006/ Accepted 9 December 2006

Long-duration consistently Escherichia coli O157:H7 culture-positive cattle were euthanized and necropsied. Tissue and digesta from along the gastrointestinal tract (GIT) were cultured for the bacteria and examined histologically for lymphoid character. E. coli O157:H7 was detected only at the rectoanal junction mucosa and not at any other GIT location.

* Corresponding author. Mailing address: Department of Microbiology, Molecular Biology, and Biochemistry, University of Idaho, Moscow, ID 83844-3052. Phone: (208) 885-5906. Fax: (208) 885-6518. E-mail: cbohach{at}uidaho.edu.

{triangledown} Published ahead of print on 22 December 2006.

Applied and Environmental Microbiology, February 2007, p. 1380-1382, Vol. 73, No. 4
0099-2240/07/$08.00+0     doi:10.1128/AEM.02242-06
Copyright © 2007, American Society for Microbiology. All Rights Reserved.



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