Defining mechanisms that regulate RNA polymerase II transcription in vivo.

Defining mechanisms that regulate RNA polymerase II transcription in vivo.
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DOI:
10.1038/nature08449
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发表时间:
2009-09-10
期刊:
影响因子:
64.8
通讯作者:
--
中科院分区:
综合性期刊1区
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--
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在真核生物基因组中,编码信使RNA的数千个基因是由一种名为RNA聚合酶II的分子机器转录的。分析RNA聚合酶II在整个基因组中的分布和状态,为揭示长期以来存在的转录及其调控之谜提供了至关重要的见解。这些研究确定了在转录周期中,RNA聚合酶II在遇到限速步骤后积累的点。当与转录因子的全基因组图谱相结合时,这些方法确定了关键的调控步骤和因素,重要的是,提供了对基因调控的机制共性以及丰富的多样性的理解。
In the eukaryotic genome, the thousands of genes that encode messenger RNA are transcribed by a molecular machine called RNA polymerase II. Analysing the distribution and status of RNA polymerase II across a genome has provided crucial insights into the long-standing mysteries of transcription and its regulation. These studies identify points in the transcription cycle where RNA polymerase II accumulates after encountering a rate-limiting step. When coupled with genome-wide mapping of transcription factors, these approaches identify key regulatory steps and factors and, importantly, provide an understanding of the mechanistic generalities, as well as the rich diversities, of gene regulation.
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