RNA干扰技术在鱼类中的研究进展

South China Fisheries Science(2009)

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Abstract
RNA干扰(RNA interference,RNAi)是真核生物体内利用双链RNA(double strand RNA,dsRNA)诱导同源靶基因的mRNA特异性降解,从而导致转录后基因沉默(posttranscriptional gene silencing,PTGS)的现象。RNAi主要通过核酸酶Dicer切割dsRNA生成21~23nt的小干扰RNA(small interference RNA,siRNA),继而由siRNA识别并靶向降解同源靶基因mRNA,从而抑制靶基因的蛋白表达。文章综述了RNA干扰技术的原理、siR-NA的制备及在鱼类中的研究进展。
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Key words
fishes,gene silencing,rnai,transcription,rna interference,aquatic animals,genes,messenger rna,translation
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