"Cotranscriptionality": the transcription elongation complex as a nexus for nuclear transactions.
"Cotranscriptionality": the transcription elongation complex as a nexus for nuclear transactions.
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“共转录性”:转录延伸复合体作为核交易的纽带。
DOI:
10.1016/j.molcel.2009.09.018
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发表时间:
2009-10-23
期刊:
影响因子:
16
通讯作者:
Bentley, David
中科院分区:
文献类型:
--
作者:
Perales, Roberto;Bentley, David
Much of the complex process of RNP biogenesis takes place at the gene, co-transcriptionally. The target for RNA binding and processing factors is therefore not a solitary RNA molecule, but a transcription elongation complex (TEC) comprising the growing nascent RNA and RNA polymerase traversing a chromatin template with associated passenger proteins. RNA maturation factors are not the only nuclear machines whose work is organized co-transcriptionally around the TEC scaffold. In addition DNA repair, covalent chromatin modification, “gene gating” at the nuclear pore, Ig gene hypermutation, and sister chromosome cohesion have all been demonstrated or suggested to involve a co-transcriptional component. From this perspective, TEC’s can be viewed as potent “community organizers” within the nucleus.
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