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Science 23 March 2007:
Vol. 315. no. 5819, pp. 1650 - 1651
DOI: 10.1126/science.315.5819.1650a
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News of the Week

MICROBIOLOGY:
New Bacterial Defense Against Phage Invaders Identified

Jean Marx

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.)

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Science. ISSN 0036-8075 (print), 1095-9203 (online)