The DHH1/RCKp54 family of helicases: an ancient family of proteins that promote translational silencing.
The DHH1/RCKp54 family of helicases: an ancient family of proteins that promote translational silencing.
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DOI:
10.1016/j.bbagrm.2013.03.006
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发表时间:
2013-08
影响因子:
4.7
通讯作者:
Coller, Jeff
中科院分区:
文献类型:
--
作者:
Presnyak, Vlad;Coller, Jeff
Translational control is a vital aspect of gene expression. Message specific translational repressors have been known of decades. Recent evidence, however, suggest that a general machinery exists that dampens the translational capacity of the majority of mRNAs. This activity has been best ascribed to a conserved family of RNA helicases called the DHH1 / RCKp54 family. The function of these helicases is to promote translational silencing. By transitioning mRNA into quiescence, DHH1 / RCKp54 helicases promote either mRNA destruction or storage. In this review we describe the known roles of these helicases and propose a mechanistic model to explain their mode of action.
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