Macquarie University
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Antibiotic Pollution Of Waterways May Create Superbugs Of Tomorrow
A team from Macquarie University has proved for the first time that even low concentrations of antibiotics are polluting waterways, according to a study published today in Frontiers in Microbiology. Using low, realistic concentrations of antibiotics that might be found in waste water, the team showed a series of worrying effects on both environmental and clinical bacteria, including rearrangements of the bacterial DNA, changes in the colonies that the bacteria form, and most importantly, the evolution of antibiotic-resistant strains.
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Superbugs on the Shore: Bacteria in Estuaries Have Genes for Antibiotic Resistance That Could End Up in Us
An international group of researchers, including Professor Michael Gillings from Macquarie University, have reported that pollution with antibiotics and resistance genes is causing potentially dangerous changes to local bacteria in estuaries. Polluting antibiotic agents in these waterways, they say, help the bacteria to acquire genes that make them less responsive to antibiotics – known as antibiotic resistance genes. These genes could then enter our food chain when we eat aquatic animals from these areas...
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