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Where and when to start: Regulating DNA replication origin activity in eukaryotic genomes.

Nucleus 14:2229642 (2023)
Publ. Version/Full Text DOI PMC
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In eukaryotic genomes, hundreds to thousands of potential start sites of DNA replication named origins are dispersed across each of the linear chromosomes. During S-phase, only a subset of origins is selected in a stochastic manner to assemble bidirectional replication forks and initiate DNA synthesis. Despite substantial progress in our understanding of this complex process, a comprehensive 'identity code' that defines origins based on specific nucleotide sequences, DNA structural features, the local chromatin environment, or 3D genome architecture is still missing. In this article, we review the genetic and epigenetic features of replication origins in yeast and metazoan chromosomes and highlight recent insights into how this flexibility in origin usage contributes to nuclear organization, cell growth, differentiation, and genome stability.
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Publication type Article: Journal article
Document type Review
Keywords 3d Genome Organization ; Dna Replication ; Chromatin Structure ; Histone Modifications ; Origin Clustering ; Origins Of Replication ; Replication Timing; Protein Phosphatase 1; Lagging-strand Synthesis; Site-specific Initiation; G-quadruplex Binding; Saccharomyces-cerevisiae; Nucleosome Occupancy; Modulates Replication; Chromatin-structure; Dynamic Changes; Timing Program
Language english
Publication Year 2023
HGF-reported in Year 2023
ISSN (print) / ISBN 1949-1034
e-ISSN 1949-1042
Journal Nucleus
Quellenangaben Volume: 14, Issue: 1, Pages: , Article Number: 2229642 Supplement: ,
Publisher Taylor & Francis
Publishing Place 530 Walnut Street, Ste 850, Philadelphia, Pa 19106 Usa
POF-Topic(s) 30204 - Cell Programming and Repair
Research field(s) Stem Cell and Neuroscience
PSP Element(s) G-554500-001
Grants Helmholtz Association
Scopus ID 85165223584
PubMed ID 37469113
Erfassungsdatum 2023-10-06