PerspectivePlant Science

Viruses Face a Double Defense by Plant Small RNAs

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Science  07 Jul 2006:
Vol. 313, Issue 5783, pp. 54-55
DOI: 10.1126/science.1130818

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Plants fight viral infections with enzymes that digest viral RNA, but viruses retaliate with proteins that suppress these enzymes. To boost their antiviral response plants deploy enzymes with redundant functions.