en
Scientific article
Review
English

Regulation of Gene Expression and Replication Initiation by Non‐Coding Transcription: A Model Based on Reshaping Nucleosome‐Depleted Regions

Published inBioEssays, vol. 41, no. 11, 1900043
Publication date2019-10-02
First online date2019-10-02
Abstract

RNA polymerase II (RNAP II) non‐coding transcription is now known to cover almost the entire eukaryotic genome, a phenomenon referred to as pervasive transcription. As a consequence, regions previously thought to be non‐transcribed are subject to the passage of RNAP II and its associated proteins for histone modification. This is the case for the nucleosome‐depleted regions (NDRs), which provide key sites of entry into the chromatin for proteins required for the initiation of coding gene transcription and DNA replication. In this review, recent data on the effects of pervasive transcription through NDRs are summarized and a model is proposed to explain how RNAP II‐driven transcription is able to modify the nucleosomes flanking the NDRs, leading to nucleosome repositioning and NDR closure. Even though much of the mechanistic detail underlying these events remains to be elucidated, such a model provides a basis to explain how non‐coding transcription through NDRs can regulate the initiation of coding gene expression and DNA replication.

eng
Keywords
  • HDAC
  • NDR
  • Chromatin remodeler
  • Histone modifications
  • Non-coding transcription
  • Nucleosome
  • Replication initiation
Citation (ISO format)
SOUDET, Julien, STUTZ, Françoise. Regulation of Gene Expression and Replication Initiation by Non‐Coding Transcription: A Model Based on Reshaping Nucleosome‐Depleted Regions. In: BioEssays, 2019, vol. 41, n° 11, p. 1900043. doi: 10.1002/bies.201900043
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ISSN of the journal0265-9247
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