Media type: E-Article Title: Nucleation, propagation and cleavage of target RNAs in Ago silencing complexes Contributor: Wang, Yanli; Juranek, Stefan; Li, Haitao; Sheng, Gang; Wardle, Greg S.; Tuschl, Thomas; Patel, Dinshaw J. imprint: Springer Science and Business Media LLC, 2009 Published in: Nature Language: English DOI: 10.1038/nature08434 ISSN: 0028-0836; 1476-4687 Origination: Footnote: