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RNA
Article
Data sources: UnpayWall
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PubMed Central
Article . 2020
License: CC BY NC
Data sources: PubMed Central
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RNA
Article . 2020 . Peer-reviewed
Data sources: Crossref
RNA
Article . 2020
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Repeat RNAs associate with replication forks and post-replicative DNA

Authors: Helene M. Gylling; Cristina Gonzalez-Aguilera; Martin A. Smith; Dominik C. Kaczorowski; Anja Groth; Anders H. Lund;

Repeat RNAs associate with replication forks and post-replicative DNA

Abstract

Noncoding RNA has a proven ability to direct and regulate chromatin modifications by acting as scaffolds between DNA and histone-modifying complexes. However, it is unknown if ncRNA plays any role in DNA replication and epigenome maintenance, including histone eviction and reinstallment of histone modifications after genome duplication. Isolation of nascent chromatin has identified a large number of RNA-binding proteins in addition to unknown components of the replication and epigenetic maintenance machinery. Here, we isolated and characterized long and short RNAs associated with nascent chromatin at active replication forks and track RNA composition during chromatin maturation across the cell cycle. Shortly after fork passage, GA-rich-, alpha- and TElomeric Repeat-containing RNAs (TERRA) are associated with replicated DNA. These repeat containing RNAs arise from loci undergoing replication, suggesting an interaction in cis. Post-replication during chromatin maturation, and even after mitosis in G1, the repeats remain enriched on DNA. This suggests that specific types of repeat RNAs are transcribed shortly after DNA replication and stably associate with their loci of origin throughout the cell cycle. The presented method and data enable studies of RNA interactions with replication forks and post-replicative chromatin and provide insights into how repeat RNAs and their engagement with chromatin are regulated with respect to DNA replication and across the cell cycle.

Countries
Denmark, Spain
Keywords

DNA Replication, repeats, Cell Cycle, DNA, Repeats, DNA replication, Article, Chromatin, Histones, Cell Line, Tumor, chromatin, Humans, RNA, Protein Processing, Post-Translational, HeLa Cells

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
views
OpenAIRE UsageCountsViews provided by UsageCounts
downloads
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7
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Average
Top 10%
37
26
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bronze