Conducting the finale of DNA replication
- PMID: 28270514
- PMCID: PMC5358719
- DOI: 10.1101/gad.297184.117
Conducting the finale of DNA replication
Abstract
Anomalies in dismantling the machinery of DNA replication can compromise genome integrity and contribute to tumorigenesis and aging. In this issue of Genes & Development, Dewar and colleagues (pp. 275-290) identified an E3 ubiquitin ligase, CUL2LRR2, that modifies a subunit of the replicative CMG (Cdc45, minichromosome maintenance [MCM] subunits 2-7, and the GINS complex) helicase and triggers disassembly of the replication machinery. Their study offers critical insight into the mechanism of DNA replication termination while at the same time raising important questions for future research.
Keywords: CMG; DNA replication; p97; replication termination; ubiquitin.
© 2017 Akopian and Rape; Published by Cold Spring Harbor Laboratory Press.
Comment on
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CRL2Lrr1 promotes unloading of the vertebrate replisome from chromatin during replication termination.Genes Dev. 2017 Feb 1;31(3):275-290. doi: 10.1101/gad.291799.116. Epub 2017 Feb 24. Genes Dev. 2017. PMID: 28235849 Free PMC article.
References
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- Buchberger A, Schindelin H, Hanzelmann P. 2015. Control of p97 function by cofactor binding. FEBS Lett 589: 2578–2589. - PubMed
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