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Published online 2 March 2001 | Nature | doi:10.1038/news010308-3

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Bugs swap genes in gut

Bacteria may learn how to beat antibiotics in our intestines.

Harmless bacteria living in the human gut may be acquiring antibiotic-resistance genes, researchers at the University of Illinois-Urbana report1. These results raise the possibility that harmful gut bacteria could also pick up the genes.

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