Interplay of RNA-binding proteins controls germ cell development in zebrafish.

IF 6.6 2区 生物学 Q1 BIOCHEMISTRY & MOLECULAR BIOLOGY Journal of Genetics and Genomics Pub Date : 2024-09-01 Epub Date: 2024-07-04 DOI:10.1016/j.jgg.2024.06.020
De-Li Shi
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Abstract

The specification of germ cells in zebrafish mostly relies on an inherited mechanism by which localized maternal determinants, called germ plasm, confer germline fate in the early embryo. Extensive studies have partially allowed the identification of key regulators governing germ plasm formation and subsequent germ cell development. RNA-binding proteins, acting in concert with other germ plasm components, play essential roles in the organization of the germ plasm and the specification, migration, maintenance, and differentiation of primordial germ cells. The loss of their functions impairs germ cell formation and causes sterility or sexual conversion. Evidence is emerging that they instruct germline development through differential regulation of mRNA fates in somatic and germ cells. However, the challenge remains to decipher the complex interplay of maternal germ plasm components in germ plasm compartmentalization and germ cell specification. Because failure to control the developmental outcome of germ cells disrupts the formation of gametes, it is important to gain a complete picture of regulatory mechanisms operating in the germ cell lineage. This review sheds light on the contributions of RNA-binding proteins to germ cell development in zebrafish and highlights intriguing questions that remain open for future investigation.

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RNA 结合蛋白的相互作用控制着斑马鱼生殖细胞的发育。
斑马鱼生殖细胞的规格化主要依赖于一种遗传机制,即在早期胚胎中,局部母体决定因子(称为生殖质)赋予生殖细胞命运。广泛的研究已部分确定了生殖质形成和随后生殖细胞发育的关键调控因子。RNA 结合蛋白与其他生殖质成分协同作用,在生殖质的组织以及原始生殖细胞的规格化、迁移、维持和分化方面发挥着重要作用。失去它们的功能会影响生殖细胞的形成,导致不育或性转换。越来越多的证据表明,它们通过对体细胞和生殖细胞中的mRNA命运进行不同的调控来指导生殖细胞的发育。然而,要破译母体种质成分在种质分区和生殖细胞规范中复杂的相互作用,仍然是一项挑战。由于无法控制生殖细胞的发育结果会破坏配子的形成,因此全面了解生殖细胞系的调控机制非常重要。本综述揭示了 RNA 结合蛋白对斑马鱼生殖细胞发育的贡献,并强调了仍有待未来研究的有趣问题。
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来源期刊
Journal of Genetics and Genomics
Journal of Genetics and Genomics 生物-生化与分子生物学
CiteScore
8.20
自引率
3.40%
发文量
4756
审稿时长
14 days
期刊介绍: The Journal of Genetics and Genomics (JGG, formerly known as Acta Genetica Sinica ) is an international journal publishing peer-reviewed articles of novel and significant discoveries in the fields of genetics and genomics. Topics of particular interest include but are not limited to molecular genetics, developmental genetics, cytogenetics, epigenetics, medical genetics, population and evolutionary genetics, genomics and functional genomics as well as bioinformatics and computational biology.
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