Canadian Consulting Engineer

Water bodies harbour antibiotic-resistant bacteria

Researchers at McMaster University have found that floc suspended in aquatic environments contains high levels of antibiotic-resistant bacteria.

May 7, 2012   Canadian Consulting Engineer

Researchers at McMaster University have found that floc suspended in aquatic environments contains high levels of antibiotic-resistant bacteria.

Professor Lesley Warren, who led the study, said “The presence of environmental bacterial communities in aquatic environments represents a significant largely unknown source of antibiotic resistance.” The team collected floc from Hamilton Harbour, Sunnyside Beach in Toronto, a rural stream in Guelph and a remote lake in Algonquin Park. They found the presence of 54 antibiotic resistant genes at all four sites, though higher concentrations in the dense urban areas.


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