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Antibiotic contamination a threat to humans and the environment
Date:10/25/2012

the sea gradually find their way there from the land and air via rainwater. This means that antibiotics can affect marine sediment ecosystems over a long period, with detrimental effects on natural marine communities of bacteria, among other things.

"The presence of antibiotics in the marine environment is worrying as it can result in widespread resistance to antibiotics in marine bacteria with unknown consequences for the spread of resistance genes to bacteria that can reach humans through the consumption of seafood and fish."

The marine sediment bacteria being studied are also important from a global perspective as they metabolise both nitrogen and carbon, which are linked to both eutrophication and climate problems. A key aspect is also that resistance genes can be transferred between bacteria.

"We know very little about how antibiotics affect natural systems and how antibiotic resistance develops and spreads in these systems," says Maria Granberg. "This knowledge is, however, vital if we are to identify the sources of, and understand, the mechanisms behind the development of antibiotic resistance, which constitutes a threat to both the functioning of ecosystems and human health."


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Contact: Maria Granberg
maria.granberg@bioenv.gu.se
46-766-229-534
University of Gothenburg
Source:Eurekalert

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