RNA modifications modulate gene expression during development.

RNA modifications modulate gene expression during development.
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DOI:
10.1126/science.aau1646
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发表时间:
2018-09-28
期刊:
Science (New York, N.Y.)
影响因子:
--
通讯作者:
He C
He C
中科院分区:
其他
文献类型:
--
作者:
Frye M;Harada BT;Behm M;He C

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最近,RNA修饰已经成为基因表达程序的关键转录后调节因子。它们影响真核生物的各种生物学过程,而许多这些修饰的正确沉积是正常发育所必需的。信使核糖核酸(Messenger RNA,mRNA)修饰调控着信使核糖核酸代谢的各个方面。例如,N6-甲基腺苷(M6A)影响修饰转录本的翻译和稳定性,从而提供了一种机制,在细胞状态维持和转换期间协调转录本组的调节。同样,转移RNA中的一些修饰对于RNA的结构和功能是必不可少的。其他的则是响应外部提示而储存,并相应地适应全球蛋白质合成和基因特异性翻译,从而促进适当的发育。
RNA modifications have recently emerged as critical posttranscriptional regulators of gene expression programs. They affect diverse eukaryotic biological processes, and the correct deposition of many of these modifications is required for normal development. Messenger RNA (mRNA) modifications regulate various aspects of mRNA metabolism. For example, N6-methyladenosine (m6A) affects the translation and stability of the modified transcripts, thus providing a mechanism to coordinate the regulation of groups of transcripts during cell state maintenance and transition. Similarly, some modifications in transfer RNAs are essential for RNA structure and function. Others are deposited in response to external cues and adapt global protein synthesis and gene-specific translation accordingly and thereby facilitate proper development.
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