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Emerg Infect Dis. 2004 Aug;10(8):1482-5.

Human Escherichia coli O157:H7 genetic marker in isolates of bovine origin.

Author information

1
Ohio State University, Wooster, Ohio 44691, USA. lejeune.3@osu.edu

Abstract

The antiterminator Q gene of bacteriophage 933W (Q933) was identified upstream of the stx2 gene in 90% of human disease-origin Escherichia coli O157:H7 isolates and in 44.5% of bovine isolates. Shiga toxin production was higher in Q933-positive isolates than Q933-negative isolates. This genetic marker may provide a useful molecular tool for epidemiologic studies.

PMID:
15496255
PMCID:
PMC3320398
DOI:
10.3201/eid1008.030784
[Indexed for MEDLINE]
Free PMC Article

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