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Appl Environ Microbiol. 2008 Feb;74(4):1268-72. Epub 2007 Dec 14.

Characterization of Shiga toxin-producing Escherichia coli isolates associated with two multistate food-borne outbreaks that occurred in 2006.

Author information

1
Microbial Food Safety Research Unit, Eastern Regional Research Center, ARS, USDA, 600 E. Mermaid Lane, Wyndmoor, PA 19038, USA. gaylen.uhlich@ars.usda.gov

Abstract

Shiga toxin-producing Escherichia coli isolates from two 2006 outbreaks were compared to other O157:H7 isolates for virulence genotype, biofilm formation, and stress responses. Spinach- and lettuce-related-outbreak strains had similar pulsed-field gel electrophoresis patterns, and all carried both stx2 and stx2c variant genes. Cooperative biofilm formation involving an E. coli O157:H7 strain and a non-O157:H7 strain was also demonstrated.

PMID:
18083883
PMCID:
PMC2258581
DOI:
10.1128/AEM.01618-07
[Indexed for MEDLINE]
Free PMC Article
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