PerspectiveMolecular Biology

A New RNA Dimension to Genome Control

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Science  21 Jul 2006:
Vol. 313, Issue 5785, pp. 305-306
DOI: 10.1126/science.1131186

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The discovery of small RNAs, microRNA and siRNA, has revolutionized thinking about the control of gene expression. Now a third new species of small RNA is shown to control gene expression in germline cells.