Gene regulation by structured mRNA elements.

Gene regulation by structured mRNA elements.
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结构化 mRNA 元件的基因调控

DOI:
10.1016/j.tig.2014.03.001
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发表时间:
2014
期刊:
Trends in genetics : TIG
影响因子:
--
通讯作者:
Wachter A
Wachter A
中科院分区:
--
文献类型:
--
作者:
Wachter A

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在整合内部和外部信号的基础上,基因活动的精确时空协调对于所有生物过程的准确运作至关重要。虽然基因表达的基本原理是在大约60年前就建立起来的,但最近的研究揭示了基因活动控制的惊人复杂性。其中许多基因调控机制发生在mRNA水平,包括由结构化mRNA元件介导的复杂的基因控制任务。我们现在知道,mRNA折叠可以作为各种分子的高度特异性受体,例如代谢物结合的核糖开关,并在转录、翻译和RNA加工水平上干扰原核和真核基因的表达。结构mRNA元件对基因的调控包括多种策略,包括自切割核酶、RNA折叠介导的封闭或呈现顺式调控序列、以及隔离包括其他RNA和蛋白质在内的反式作用因子。
The precise temporal and spatial coordination of gene activity, based on the integration of internal and external signals, is crucial for the accurate functioning of all biological processes. Although the basic principles of gene expression were established some 60 years ago, recent research has revealed a surprising complexity in the control of gene activity. Many of these gene regulatory mechanisms occur at the level of the mRNA, including sophisticated gene control tasks mediated by structured mRNA elements. We now know that mRNA folds can serve as highly specific receptors for various types of molecules, as exemplified by metabolite-binding riboswitches, and interfere with pro- and eukaryotic gene expression at the level of transcription, translation, and RNA processing. Gene regulation by structured mRNA elements comprises versatile strategies including self-cleaving ribozymes, RNA-folding-mediated occlusion or presentation ofcis-regulatory sequences, and sequestration oftrans-acting factors including other RNAs and proteins.
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