作者
Jayasha Shandilya, Stefan GE Roberts
发表日期
2012/5/1
来源
Biochimica et Biophysica Acta (BBA)-Gene Regulatory Mechanisms
卷号
1819
期号
5
页码范围
391-400
出版商
Elsevier
简介
The cycle of eukaryotic transcription, from initiation to elongation and termination is regulated at multiple steps. Coordinated action of regulatory factors keeps in check the transcriptional competence of RNA polymerase II (RNAPII) at different stages. Productive transcription requires the escape of the paused RNAPII from the promoter and transition to rapid elongation of the transcript. Numerous studies have identified diverse mechanisms of initiating transcription by overriding inhibitory signals at the gene promoter. The general theme that has emerged is that the balance between positive and negative regulatory factors determines the overall rate of transcription. Recently transcription termination has emerged as an important area of transcriptional regulation that is coupled with the efficient recycling of RNAPII. The factors associated with transcription termination can also mediate gene looping and thereby …
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