News of the WeekMicrobiology

New Bacterial Defense Against Phage Invaders Identified

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Science  23 Mar 2007:
Vol. 315, Issue 5819, pp. 1650-1651
DOI: 10.1126/science.315.5819.1650a

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On page 1709 of this issue of Science, a team reports that bacteria use a system, apparently akin to the RNA interference system of higher organisms, to block reproduction of viruses that attack them, thus making themselves resistant to infection. (Read more.)