Journal
CURRENT OPINION IN CELL BIOLOGY
Volume 21, Issue 3, Pages 426-434Publisher
CURRENT BIOLOGY LTD
DOI: 10.1016/j.ceb.2009.02.003
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As the proper development of germlines is vital for species preservation, elaborative, regulatory systems for gene expression must operate in germlines. One such system is RNA silencing, sequence-specific gene silencing mechanisms mediated by small RNAs of 20-30 nucleotides long. Indeed, recent studies have revealed that various types of small RNAs are expressed germ line-specifically. To preserve the germlines, they collaborate with Argonaute proteins, the catalytic engines in RNA silencing, to inhibit injurious, parasitic genes, transcriptionally or post-transcriptionally. This chapter summarizes the exquisite collaboration of Argonaute proteins with small RNAs in the RNA silencing mechanisms necessary for germline survival in Drosophila and mice.
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