mRNA localization in metazoans: A structural perspective.

mRNA localization in metazoans: A structural perspective.
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MRNA在后生动物中的定位:一种结构性的观点。

DOI:
10.1080/15476286.2017.1338231
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发表时间:
2017-11-02
期刊:
影响因子:
4.1
通讯作者:
Bono F
Bono F
中科院分区:
生物学3区
文献类型:
--
作者:
Lazzaretti D;Bono F

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mRNA 的不对称定位是一种广泛存在的基因调控机制,对于许多细胞过程至关重要。转录本的定位涉及多个步骤,并且需要多种蛋白质因子来介导 mRNA 的运输、锚定和翻译抑制。定位转录本的特异性识别是依赖于线性或结构化定位信号的关键步骤,这些信号由 RNA 结合蛋白结合。遗传学研究已经确定了许多参与 mRNA 定位的成分。然而,人们对该途径的机制仍知之甚少。在这里,我们概述了结构研究,这些研究有助于我们理解 mRNA 定位的机制,突出了悬而未决的问题和未来的挑战。
Asymmetric localization of mRNAs is a widespread gene regulatory mechanism that is crucial for many cellular processes. The localization of a transcript involves multiple steps and requires several protein factors to mediate transport, anchoring and translational repression of the mRNA. Specific recognition of the localizing transcript is a key step that depends on linear or structured localization signals, which are bound by RNA-binding proteins. Genetic studies have identified many components involved in mRNA localization. However, mechanistic aspects of the pathway are still poorly understood. Here we provide an overview of structural studies that contributed to our understanding of the mechanisms underlying mRNA localization, highlighting open questions and future challenges.
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