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Nasty germs swap DNA behind noses


Genetic exchange of antibiotic resistance occurs about 10 million times more effectively in the nose than in the blood of animals, report researchers.

“We found that the bacteria make biofilms in the nose that protect against the action of antibiotics, which have a hard time destroying biofilms,” says Anders P. Hakansson of the University at Buffalo.

“In addition, we know that some of the bacteria have to die in order to develop good biofilms. So dead bacteria help create good biofilms and provide DNA that other bacteria can take up and use, which is how bacteria spread antibiotic resistance and become more fit.”

Full story at Futurity.

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