Clonal dissemination of Escherichia coli O157:H7 subtypes among dairy farms in Northeast Ohio

Article Abstract:

Molecular characterization is performed on Escherichia coli O157:H7 isolates recovered during a longitudinal study of 20 dairy farms in northeast Ohio. Within the study population, Escherichia coli O157:H7 REDP subtypes are disseminated with considerable frequency among farms in close geographic proximity, and nonbovine sources may contribute to the transmission of this organism between farms.

Ohio, Growth, Cloning, Company growth, Microbial ecology

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Detection of Escherichia coli in biofilms from pipe samples and coupons in drinking water distribution networks

Article Abstract:

Fluorescence in situ hybridization (FISH) is used for detecting Escherichia coli on pipe surfaces and coupons in drinking water distribution networks. The studies have shown that Escherichia coli are found in the biofilms of drinking water networks in Europe.

Usage, In situ hybridization

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