R-loop and its functions at the regulatory interfaces between transcription and (epi)genome.
R-loop and its functions at the regulatory interfaces between transcription and (epi)genome.
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DOI:
10.1016/j.bbagrm.2021.194750
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发表时间:
2021-11
期刊:
影响因子:
--
通讯作者:
Wang GG
中科院分区:
文献类型:
--
作者:
Kim A;Wang GG
R-loop represents a prevalent and specialized chromatin structure critically involved in a wide range of biological processes. In particular, co-transcriptional R-loops, produced often due to RNA polymerase pausing or RNA biogenesis malfunction, can initiate molecular events to context-dependently regulate local gene transcription and crosstalk with chromatin modifications. Cellular “readers” of R-loops are identified, exerting crucial impacts on R-loop homeostasis and gene regulation. Mounting evidence also supports R-loop deregulation as a frequent, sometimes initiating, event during human pathologies, notably cancer and neurological disorder. The purpose of this review is to cover recent advances in understanding the fundamentals of R-loop biology, which start to unveil complex interplays of R-loops with factors involved in various biological processes such as transcription, RNA processing and epitranscriptomic modification (such as N6-methyladenosine), DNA damage sensing and repair, and epigenetic regulation.
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期刊:
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