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Human antibiotic use affects wild bears

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DIG DEEPER at Norwegian SciTech News:
https://norwegianscitechnews.com/2021/09/human-antibiotic-use-affects-bacterial-resistance-in-wild-bears/

Bacteria in wild bears become more resistant to antibiotics when human antibiotic use is high.

Bears that are killed often end up in museum collections. New technology allows us to see how the genes in these bears have changed over the years — as well as how the bacteria in their bodies has changed, too.

“We specifically examined genes that confer resistance to antibiotics,” says Jaelle Brealey, a postdoc in the Department of Natural History at the NTNU University Museum.

The research group found that human use of antibiotics also affected the bears’ bacteria and their resistance to antibiotics.

The bacteria in the bears developed greater resistance to the medicines during the period when human use of antibiotics resulted in an increase of the drugs in the environment. This resistance developed despite the fact that the bears were at home in the wild.

DIG DEEPER at Norwegian SciTech News:
https://norwegianscitechnews.com/2021/09/human-antibiotic-use-affects-bacterial-resistance-in-wild-bears/
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