miRNA Regulation of the Translational Machinery

The silencing of gene expression by small interfering RNAs has been recognized for only a relatively short time, but this has transformed our understanding of both transcriptional and post-transcriptional gene regulatory mechanisms. Multiple pathways culminate in formation of an RNA-induced silencing complex (RISC) containing a member of the Argonaute protein family bound to a 22-nt RNA strand that interacts with a target mRNA or gene through Watson-Crick base pairing. One consequence is mR...