Multifaceted regulation of translation by the epitranscriptomic modification N6-methyladenosine.

IF 6.2 2区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY
Xiao-Min Liu, Jun Zhou
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引用次数: 9

Abstract

Translation occurring on cytoplasmic mRNA is precisely governed at three consecutive stages, including initiation, elongation and termination. A growing body of evidence has revealed that an emerging epitranscriptomic code N6-methyladenosine (m6A), asymmetrically present in a large subset of coding and non-coding transcripts, is crucially required for mediating the translatomic stability. Through recruiting translation machinery proteins, serving as a physical barrier, or directing RNA structural rearrangement and mRNA looping formation, m6A has been decoded to modulate translational dynamics through potentially influencing the progress of different stages, thereby forming an additional layer of complexity to the regulation of translation. In this review, we summarize the current understanding of how m6A guides mRNA translation under normal and stress conditions, highlighting the divergent molecular mechanisms of multifarious regulation of m6A-mediated translation.

外转录组修饰n6 -甲基腺苷对翻译的多方面调控。
发生在细胞质mRNA上的翻译被精确地控制在三个连续的阶段,包括起始、延伸和终止。越来越多的证据表明,一种新出现的表转录组编码n6 -甲基腺苷(m6A),不对称地存在于编码和非编码转录本的大子集中,对于介导翻译稳定性至关重要。通过招募翻译机械蛋白,作为物理屏障,或指导RNA结构重排和mRNA环的形成,m6A已被解码为通过潜在地影响不同阶段的进展来调节翻译动力学,从而形成翻译调节的额外复杂性。在这篇综述中,我们总结了目前对m6A在正常和应激条件下如何引导mRNA翻译的理解,并强调了m6A介导的多种翻译调控的不同分子机制。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
14.90
自引率
0.00%
发文量
6
期刊介绍: As the discipline of biochemistry and molecular biology have greatly advanced in the last quarter century, significant contributions have been made towards the advancement of general medicine, genetics, immunology, developmental biology, and biophysics. Investigators in a wide range of disciplines increasingly require an appreciation of the significance of current biochemical and molecular biology advances while, members of the biochemical and molecular biology community itself seek concise information on advances in areas remote from their own specialties. Critical Reviews in Biochemistry and Molecular Biology believes that well-written review articles prove an effective device for the integration and meaningful comprehension of vast, often contradictory, literature. Review articles also provide an opportunity for creative scholarship by synthesizing known facts, fruitful hypotheses, and new concepts. Accordingly, Critical Reviews in Biochemistry and Molecular Biology publishes high-quality reviews that organize, evaluate, and present the current status of high-impact, current issues in the area of biochemistry and molecular biology. Topics are selected on the advice of an advisory board of outstanding scientists, who also suggest authors of special competence. The topics chosen are sufficiently broad to interest a wide audience of readers, yet focused enough to be within the competence of a single author. Authors are chosen based on their activity in the field and their proven ability to produce a well-written publication.
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