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Published online 20 March 2001 | Nature | doi:10.1038/news010322-4

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Antibiotic resistance switched off

New genes weaken drug-defying bacteria in the lab.

The search for weapons against intractable bacteria has turned up a new way to turn off antibiotic-resistance genes. A team at Harvard Medical School has restored antibiotic susceptibility to drug-resistant bacteria in the lab by giving them new genes1.

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