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MicroRNA-directed cleavage of targets: mechanism and experimental approaches

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초록

MicroRNAs (miRNAs) are a large family of post-transcriptionalregulators, which are 21-24 nt in length and play a role in awide variety of biological processes in eukaryotes. The pastfew years have seen rapid progress in our understanding ofmiRNA biogenesis and the mechanism of action, whichcommonly entails a combination of target degradation andtranslational repression. The target degradation mediated byArgonaute-catalyzed endonucleolytic cleavage exerts asignificant repressive effect on target mRNA expression,particularly during rapid developmental transitions. Thisreview outlines the current understanding of the mechanisticaspects of this important process and discusses severaldifferent experimental approaches to identify miRNA cleavage targets.

Abstract

MicroRNAs (miRNAs) are a large family of post-transcriptionalregulators, which are 21-24 nt in length and play a role in awide variety of biological processes in eukaryotes. The pastfew years have seen rapid progress in our understanding ofmiRNA biogenesis and the mechanism of action, whichcommonly entails a combination of target degradation andtranslational repression. The target degradation mediated byArgonaute-catalyzed endonucleolytic cleavage exerts asignificant repressive effect on target mRNA expression,particularly during rapid developmental transitions. Thisreview outlines the current understanding of the mechanisticaspects of this important process and discusses severaldifferent experimental approaches to identify miRNA cleavage targets.

참고문헌 (51)

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