dairy cows being milked Toa55/iStock/Thinkstock.

Novel antibiotic resistance gene found in milk

Novel mecD gene confers resistance to all classes of beta-lactams, including anti-MRSA cephalosporins.

Researchers at the University of Bern in Switzerland have identified a new antibiotic resistance gene in bacteria from dairy cows.

This gene confers resistance to all beta-lactam antibiotics, including the last generation of cephalosporins used against methicillin-resistant Staphylococcus aureus (MRSA), the researchers said. A transfer to S. aureus, which the researchers said is likely, would jeopardize the use of reserve antibiotics to treat human infections caused

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