作者：孔祥平; LiXing; W.Renekerrna双链rna干扰
摘要：The phenomenon of RNA interference (RNAi) is highly conserved mechanism in the organism evolution. As a immune system ,RNAi is a ubiquitous mechanism against invading microorganism in plant and animal cells. Recently, it has been found that RNAi is the process by which double-strand RNA(dsRNA) directs sequence-specific degradation of messenger RNA and the mediations of sequence specific messenger RNA degradation are 21-and 23-nucleotide small interfering RNAs that generate by ribonuclease from endogenous longer dsRNA or by transfectious technics from heterologous dsRNA. Over the past few years, the way in which cells respond to dsRNA by silencing homologous genes has revealed a new regulating paradigm in biology.
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