News & AnalysisEuropean Society for Evolutionary Biology Meeting

Tracing the Common Roots of Antibiotic Resistance

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Science  16 Sep 2011:
Vol. 333, Issue 6049, pp. 1562-1563
DOI: 10.1126/science.333.6049.1562-b

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Researchers studying the evolution of antibiotic resistance have built a "morbidostat," a test tube–based system that automatically adjusts the amount of antibiotic delivered to keep in check the bacteria population growing in the tubes. The morbidostat studies show that bacteria can evolve in a repeatable manner, sometimes with the same mutations occurring over and over, the researchers reported at the meeting.