Antibiotic contamination a threat to humans and the environment
http://www.alphagalileo.org/ViewItem.aspx?ItemId=124966&CultureCode=en[font face=Serif][font size=5]Antibiotic contamination a threat to humans and the environment[/font]
15 October 2012
University of Gothenburg
[font size=3]More than 10,000 tonnes of antibiotics are consumed in Europe each year, and 30-60% pass through animals and humans completely unchanged. The different substances then reach the ocean via hospitals, municipal sewage, fish farms and run-off from agriculture and landfills.
The research group from the University of Gothenburg are focusing on the potential effects of accumulating antibiotics in the seabed.
The soft sediments on the seabed act as a reservoir for hard-to-break-down substances that are released into the environment. Even substances that are not discharged directly into 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.
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