The Identification and Functional Analysis of mRNA Localizing to Centrosomes.

The Identification and Functional Analysis of mRNA Localizing to Centrosomes.
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DOI:
10.3389/fcell.2021.782802
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发表时间:
2021
影响因子:
5.5
通讯作者:
Lerit DA
Lerit DA
中科院分区:
生物学2区
文献类型:
--
作者:
Zein-Sabatto H;Lerit DA

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中心体是多功能的细胞器,其任务是组织基因组稳定性、细胞内运输和纤毛发生所需的微管细胞骨架。中心体功能的多样性是由蛋白质定位和翻译后修饰中的细胞周期依赖性振荡决定的。较少了解的是中心体定位的信使RNA(mRNA)的作用。自发现以来,中心体核酸的概念一直是有争议的,中心体mRNA的生理作用仍然混乱和探索不足。然而,在过去的几十年里,在各种生物和细胞类型的中心体中检测到转录本、RNA结合蛋白和核糖体,暗示了功能的保守性。事实上,最近的工作将中心体定义为局部蛋白质合成的位点,并且定义的mRNA最近涉及调节中心体功能。在这篇综述中,我们总结了mRNA存在于中心体的证据和目前的工作,旨在解开定位于中心体的mRNA的生物学功能。
Centrosomes are multifunctional organelles tasked with organizing the microtubule cytoskeleton required for genome stability, intracellular trafficking, and ciliogenesis. Contributing to the diversity of centrosome functions are cell cycle-dependent oscillations in protein localization and post-translational modifications. Less understood is the role of centrosome-localized messenger RNA (mRNA). Since its discovery, the concept of nucleic acids at the centrosome was controversial, and physiological roles for centrosomal mRNAs remained muddled and underexplored. Over the past decades, however, transcripts, RNA-binding proteins, and ribosomes were detected at the centrosome in various organisms and cell types, hinting at a conservation of function. Indeed, recent work defines centrosomes as sites of local protein synthesis, and defined mRNAs were recently implicated in regulating centrosome functions. In this review, we summarize the evidence for the presence of mRNA at the centrosome and the current work that aims to unravel the biological functions of mRNA localized to centrosomes.
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