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ATP依赖的染色质重塑因子在减数分裂中的作用。

Role of ATP-dependent chromatin remodelers in meiosis.

作者信息

Paliwal Sheetal, Dey Partha, Tambat Swarangi, Shinohara Akira, Mehta Gunjan

机构信息

Laboratory of Chromosome Dynamics and Gene Regulation, Department of Biotechnology, Indian Institute of Technology, Hyderabad, India.

Institute for Protein Research, University of Osaka, Osaka, Japan.

出版信息

Trends Genet. 2025 Mar;41(3):236-250. doi: 10.1016/j.tig.2024.10.004. Epub 2024 Nov 16.

Abstract

In eukaryotic cells, DNA is wrapped around histone octamers to compact the genome. Although such compaction is required for the precise segregation of the genome during cell division, it restricts the DNA-protein interactions essential for several cellular processes. During meiosis, a specialized cell division process that produces gametes, several DNA-protein interactions are crucial for assembling meiosis-specific chromosome structures, meiotic recombination, chromosome segregation, and transcriptional regulation. The role of chromatin remodelers (CRs) in facilitating DNA-protein transactions during mitosis is well appreciated, whereas how they facilitate meiosis-specific processes is poorly understood. In this review, we summarize experimental evidence supporting the role of CRs in meiosis in various model systems and suggest future perspectives to advance the field.

摘要

在真核细胞中,DNA缠绕在组蛋白八聚体周围以压缩基因组。尽管这种压缩对于细胞分裂期间基因组的精确分离是必需的,但它限制了几种细胞过程所必需的DNA-蛋白质相互作用。在减数分裂(一种产生配子的特殊细胞分裂过程)中,几种DNA-蛋白质相互作用对于组装减数分裂特异性染色体结构、减数分裂重组、染色体分离和转录调控至关重要。染色质重塑因子(CRs)在有丝分裂期间促进DNA-蛋白质相互作用的作用已得到充分认识,而它们如何促进减数分裂特异性过程却知之甚少。在本综述中,我们总结了支持CRs在各种模型系统的减数分裂中作用的实验证据,并提出了推进该领域研究的未来展望。

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