着丝粒染色质及其驱动其传播的途径。
Centromeric chromatin and the pathway that drives its propagation.
作者信息
Falk Samantha J, Black Ben E
出版信息
Biochim Biophys Acta. 2012 Mar;1819(3-4):313-21. doi: 10.1016/j.bbagrm.2011.11.002. Epub 2011 Dec 9.
Abstract
The centromere is the locus that directs chromosomal inheritance at cell division. While centromeres in diverse eukaryotes are commonly found at sites of repetitive DNA, their location is epigenetically specified. The histone H3 variant CENP-A is the prime candidate for epigenetically marking the centromere, and recent work has uncovered several additional proteins that play key roles in centromere assembly and maintenance. We describe advances in the identification and characterization of proteins that form the centromere, and focus on recent findings that have advanced our understanding of the assembly of functional centromeric chromatin. This article is part of a Special Issue entitled: Histone chaperones and chromatin assembly.
摘要
着丝粒是在细胞分裂时指导染色体遗传的位点。虽然在各种真核生物中，着丝粒通常位于重复DNA的位点，但它们的位置是由表观遗传决定的。组蛋白H3变体CENP - A是表观遗传标记着丝粒的主要候选蛋白，最近的研究发现了几种在着丝粒组装和维持中起关键作用的其他蛋白质。我们描述了构成着丝粒的蛋白质的鉴定和表征方面的进展，并重点关注了那些增进我们对功能性着丝粒染色质组装理解的最新发现。本文是名为“组蛋白伴侣与染色质组装”的特刊的一部分。
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