{"title":"Mechanisms of RNA export and nuclear retention.","authors":"Misbah Khan, Shuai Hou, Mo Chen, Haixin Lei","doi":"10.1002/wrna.1755","DOIUrl":null,"url":null,"abstract":"<p><p>With the identification of huge amount of noncoding RNAs in recent years, the concept of RNA localization has extended from traditional mRNA export to RNA export of mRNA and ncRNA as well as nuclear retention of ncRNA. This review aims to summarize the recent findings from studies on the mechanisms of export of different RNAs and nuclear retention of some lncRNAs in higher eukaryotes, with a focus on splicing-dependent TREX recruitment for the export of spliced mRNA and the sequence-dependent mechanism of mRNA export in the absence of splicing. In addition, evidence to support the involvement of m<sup>6</sup> A modification in RNA export with the coordination between the methylase complex and TREX complex as well as sequence-dependent nuclear retention of lncRNA is recapitulated. Finally, a model of sequence-dependent RNA localization is proposed along with the many questions that remain to be answered. This article is categorized under: RNA Export and Localization > RNA Localization RNA Export and Localization > Nuclear Export/Import.</p>","PeriodicalId":23886,"journal":{"name":"Wiley Interdisciplinary Reviews: RNA","volume":"14 3","pages":"e1755"},"PeriodicalIF":6.4000,"publicationDate":"2023-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"7","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Wiley Interdisciplinary Reviews: RNA","FirstCategoryId":"99","ListUrlMain":"https://doi.org/10.1002/wrna.1755","RegionNum":2,"RegionCategory":"生物学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CELL BIOLOGY","Score":null,"Total":0}
引用次数: 7
Abstract
With the identification of huge amount of noncoding RNAs in recent years, the concept of RNA localization has extended from traditional mRNA export to RNA export of mRNA and ncRNA as well as nuclear retention of ncRNA. This review aims to summarize the recent findings from studies on the mechanisms of export of different RNAs and nuclear retention of some lncRNAs in higher eukaryotes, with a focus on splicing-dependent TREX recruitment for the export of spliced mRNA and the sequence-dependent mechanism of mRNA export in the absence of splicing. In addition, evidence to support the involvement of m6 A modification in RNA export with the coordination between the methylase complex and TREX complex as well as sequence-dependent nuclear retention of lncRNA is recapitulated. Finally, a model of sequence-dependent RNA localization is proposed along with the many questions that remain to be answered. This article is categorized under: RNA Export and Localization > RNA Localization RNA Export and Localization > Nuclear Export/Import.
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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