单词	RNA interference
释义	RNA interference noun : a posttranscriptional genetic mechanism of eukaryotes that suppresses gene expression and in which double-stranded RNA cleaved into small fragments initiates the degradation of a complementary messenger RNA sequence also : a technique (such as the introduction of double-stranded RNA into an organism) that artificially induces RNA interference and is used for studying or regulating gene expression Word History First Known Use 1998, in the meaning defined above Medical Definition RNA interference noun : a posttranscriptional genetic mechanism of various eukaryotes (as plants, fungi, nematodes, and mammals) which suppresses gene expression and in which double-stranded RNA cleaved into small fragments initiates the degradation of a complementary messenger RNA sequence also : a technique (as the introduction of double-stranded RNA into an organism) that artificially induces RNA interference and is used for studying or regulating gene expression
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