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首页> 外文期刊>Trends in Plant Science >Cytogenetics as a tool to study gene regulation [Review]
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Cytogenetics as a tool to study gene regulation [Review]

机译:细胞遗传学作为研究基因调控的工具[综述]

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摘要

Cell identity is determined by the nuclear program and established by a complex molecular interplay between DNA sequence and proteins. The past few years have witnessed major breakthroughs in the elucidation of this intricate mechanism of epigenetic gene regulation. Covalent modifications in cytosine residues of DNA and in histone tails are revealed as hallmarks that establish the functional status of chromatin domains. In particular, our knowledge of the functional implication of histone tail modifications, known as the histone code, has rapidly increased. Cytogenetics has taken a prominent share in this expanding research field by linking nuclear structures with biochemical features such as gene activity, DNA replication, histone modification and DNA methylation. This review summarizes the role of cytogenetics in exploring the mechanism underlying higher order gene regulation.
机译:细胞身份由核程序决定,并由DNA序列和蛋白质之间复杂的分子相互作用建立。在过去的几年中,在阐明这种复杂的表观遗传基因调控机制方面取得了重大突破。 DNA的胞嘧啶残基和组蛋白尾巴中的共价修饰被揭示为建立染色质结构域功能状态的标志。尤其是,我们对组蛋白尾部修饰的功能含义(称为组蛋白代码)的了解迅速增加。通过将核结构与生物化学特征(如基因活性,DNA复制,组蛋白修饰和DNA甲基化)联系起来,细胞遗传学已在这一扩展的研究领域中占有重要份额。这篇综述总结了细胞遗传学在探索高阶基因调控机制中的作用。

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