New insights into the centrosome-associated spliceosome components as regulators of ciliogenesis and tissue identity.

IF 6.4 2区 生物学 Q1 CELL BIOLOGY Wiley Interdisciplinary Reviews: RNA Pub Date : 2023-07-01 Epub Date: 2023-01-30 DOI:10.1002/wrna.1776
Johan Busselez, Rustem E Uzbekov, Brunella Franco, Massimo Pancione
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Abstract

Biomolecular condensates are membrane-less assemblies of proteins and nucleic acids. Centrosomes are biomolecular condensates that play a crucial role in nuclear division, cytoskeletal remodeling, and cilia formation in animal cells. Spatial omics technology is providing new insights into the dynamic exchange of spliceosome components between the nucleus and the centrosome/cilium. Intriguingly, centrosomes are emerging as cytoplasmic sites for information storage, enriched with RNA molecules and RNA-processing proteins. Furthermore, growing evidence supports the view that nuclear spliceosome components assembled at the centrosome function as potential coordinators of splicing subprograms, pluripotency, and cell differentiation. In this article, we first discuss the current understanding of the centrosome/cilium complex, which controls both stem cell differentiation and pluripotency. We next explore the molecular mechanisms that govern splicing factor assembly and disassembly around the centrosome and examine how RNA processing pathways contribute to ciliogenesis. Finally, we discuss numerous unresolved compelling questions regarding the centrosome-associated spliceosome components and transcript variants within the cytoplasm as sources of RNA-based secondary messages in the regulation of cell identity and cell fate determination. This article is categorized under: RNA-Based Catalysis > RNA Catalysis in Splicing and Translation RNA Interactions with Proteins and Other Molecules > RNA-Protein Complexes RNA Processing > Splicing Regulation/Alternative Splicing RNA Processing > RNA Processing.

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中心体相关剪接体成分作为纤毛生成和组织特征调节器的新见解。
生物分子凝聚体是蛋白质和核酸的无膜集合体。中心体是一种生物分子凝聚体,在动物细胞的核分裂、细胞骨架重塑和纤毛形成过程中发挥着至关重要的作用。空间全息技术为了解细胞核与中心体/纤毛体之间剪接体成分的动态交换提供了新的视角。耐人寻味的是,中心体正在成为细胞质中的信息存储场所,富含 RNA 分子和 RNA 处理蛋白。此外,越来越多的证据支持这样一种观点,即在中心体上组装的核剪接体成分是剪接子程序、多能性和细胞分化的潜在协调者。在本文中,我们首先讨论了目前对中心体/纤毛体复合体的理解,该复合体控制着干细胞分化和多能性。接下来,我们探讨了剪接因子在中心体周围组装和分解的分子机制,并研究了RNA加工途径如何促进纤毛的生成。最后,我们讨论了有关中心体相关剪接体成分和细胞质内转录本变体的许多悬而未决的令人信服的问题,它们是调控细胞特性和细胞命运决定过程中基于 RNA 的次级信息的来源。本文归类于基于 RNA 的催化作用 > RNA 在剪接和翻译中的催化作用 RNA 与蛋白质和其他分子的相互作用 > RNA 蛋白复合物 RNA 处理 > 剪接调节/替代剪接 RNA 处理 > RNA 处理。
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
14.80
自引率
4.10%
发文量
67
审稿时长
6-12 weeks
期刊介绍: WIREs RNA aims to provide comprehensive, up-to-date, and coherent coverage of this interesting and growing field, providing a framework for both RNA experts and interdisciplinary researchers to not only gain perspective in areas of RNA biology, but to generate new insights and applications as well. Major topics to be covered are: RNA Structure and Dynamics; RNA Evolution and Genomics; RNA-Based Catalysis; RNA Interactions with Proteins and Other Molecules; Translation; RNA Processing; RNA Export/Localization; RNA Turnover and Surveillance; Regulatory RNAs/RNAi/Riboswitches; RNA in Disease and Development; and RNA Methods.
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