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Applied and Environmental Microbiology, January 2009, p. 268-270, Vol. 75, No. 1
0099-2240/09/$08.00+0     doi:10.1128/AEM.01445-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.

Production of Verotoxin and Distribution of O Islands 122 and 43/48 among Verotoxin-Producing Escherichia coli O103:H2 Isolates from Cattle and Humans {triangledown}

Musafiri Karama,1 Roger P. Johnson,2 Robert Holtslander,2 and Carlton L. Gyles1*

Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, Ontario N1G 2W1, Canada,1 Laboratory for Foodborne Zoonoses, Public Health Agency of Canada, Guelph, Ontario N1G 3W4, Canada2

Received 27 June 2008/ Accepted 18 October 2008

This study investigated variations in the occurrence of markers of O islands 122 and 43/48 and in verotoxin 1 production in 91 verotoxin-producing Escherichia coli (VTEC) O103:H2 strains of bovine and human origins. None of the genes that were investigated appear to be virulence indicators for human O103:H2 VTEC.

* Corresponding author. Mailing address: Department of Pathobiology, Ontario Veterinary College, University of Guelph, Guelph, ON N1G 2W1, Canada. Phone: (519) 824-4120, ext. 54657. Fax: (519) 824-5930. E-mail: cgyles{at}uoguelph.ca

{triangledown} Published ahead of print on 7 November 2008.

Applied and Environmental Microbiology, January 2009, p. 268-270, Vol. 75, No. 1
0099-2240/09/$08.00+0     doi:10.1128/AEM.01445-08
Copyright © 2009, American Society for Microbiology. All Rights Reserved.





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