Cladophora (chlorophyta) spp. Harbor human bacterial pathogens in nearshore water of Lake Michigan

Article Abstract:

A study is conducted to demonstrate whether attached Cladophora, obtained from Lake Michigan and Burns Ditch sides of a breakwater during the summers of 2004 and 2005, harbored the bacterial pathogens Shiga toxin-producing Escherichia coli, Salmonella, Shigella and Campylobacter. Analyses of DNA fingerprint indicated that genotypically identical Salmonella isolates associated with geographically separated Cladophora algae.

author: Sadowsky, Michael J., Whitman, Richard L., Byappanahalli, Muruleedhara N., Ishii, Satoshi, Tao Yan
Analysis, Polymerase chain reaction, Bacteria, Pathogenic, Pathogenic bacteria, Cladocera, Lake Michigan

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Solar and temporal effects on Escherichia coli concentration at a Lake Michigan swimming beach

Article Abstract:

The study is conducted only up to a certain extent over the solar inactivation of Escherichia coli in freshwater. The Lake Michigan has nontidal waters and so the impact of diurnal solar impact is straight forward and simply noticeable, but in swimming waters the effects of the solar inactivation of Escherichia coli would have a straight effect on the policies of the management to take care of the health of the public.

author: Whitman, Richard L., Nevers, Meredith B., Byappanahalli, Muruleedhara N., Korinek, Ginger C.
Enterobacter, Enterobacteriaceae, Properties

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Occurrence of Escherichia coli and enterococci in Cladophora (Chlorophyta) in nearshore water and beach sand of Lake Michigan

Article Abstract:

The authors have investigated Escherichia coli and enterococci. The association of these bacteria with floating, stranded and attached Cladophora, the localization of density and distribution of E coli and enterococci in different areas of Michigan, Illinois, Indiana and Wisconsin, and the possibility that Cladophora can act as a nonpoint source of E. coli and enterococci have been studied and discussed.

author: Whitman, Richard L., Shively, Dawn A., Pawlik, Heather, Nevers, Meredith B., Byappanahalli, Muruleedhara N.
United States, Water Supply and Irrigation Systems, Water supply, Fresh Water, Physiological aspects, Environmental aspects, Microbial populations, Sandy soils, Microbial ecology

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subjects list: Genetic aspects, Michigan, Research, Escherichia coli, Microbiology
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