Science Inventory

THE WIDESPREAD OCCURRENCE OF THE ENTEROHEMOLYSIN GENE EHLYA AMONG ENVIRONMENTAL STRAINS OF ESCHERICHIA COLI

Citation:

BOCZEK, L. A., CLIFFORD H. JOHNSON, E. W. RICE, AND B. KINKLE. THE WIDESPREAD OCCURRENCE OF THE ENTEROHEMOLYSIN GENE EHLYA AMONG ENVIRONMENTAL STRAINS OF ESCHERICHIA COLI. Julian Ketley (ed.), FEMS MICROBIOLOGY LETTERS. Blackwell Publishing Limited, Oxford, Uk, 254(2):281-284, (2006).

Impact/Purpose:

to present information

Description:

The putative virulence factor enterohemolysin, encoded for by the ehlyA gene, has been closely associated with the pathogenic enterohemorrhagic Escherichia coli (EHEC) group. E. coli isolates from effluents from seven geographically dispersed municipal wastewater treatment plants were screened for the presence of enterohemolysin. A total of 338 E. coli isolates were found to express the ehlyA gene, however none of the isolates contained the toxin encoding genes (stxA or stxB) associated with EHEC. Two of the 338 isolates possessed the virulence factor intimin, encoded for by the eae gene. These findings suggest that the ehlyA gene may be widely distributed among non-EHEC isolates in the environment.

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Record Details:

Record Type: DOCUMENT (JOURNAL/PEER REVIEWED JOURNAL)
Product Published Date: 01/01/2006
Record Last Revised: 04/03/2008
OMB Category: Other
Record ID: 144453

Organization:

U.S. ENVIRONMENTAL PROTECTION AGENCY

OFFICE OF RESEARCH AND DEVELOPMENT

NATIONAL RISK MANAGEMENT RESEARCH LABORATORY

WATER SUPPLY AND WATER RESOURCES DIVISION

MICROBIAL CONTAMINANTS CONTROL BRANCH