Structural mechanisms for replicating DNA in eukaryotes

I Attali, MR Botchan, JM Berger - Annual review of biochemistry, 2021 - annualreviews.org
The faithful and timely copying of DNA by molecular machines known as replisomes
depends on a disparate suite of enzymes and scaffolding factors working together in a …

Embracing Heterogeneity: Challenging the Paradigm of Replisomes as Deterministic Machines

JS Lewis, AM van Oijen, LM Spenkelink - Chemical Reviews, 2023 - ACS Publications
The paradigm of cellular systems as deterministic machines has long guided our
understanding of biology. Advancements in technology and methodology, however, have …

Structure of a human replisome shows the organisation and interactions of a DNA replication machine

ML Jones, Y Baris, MRG Taylor, JTP Yeeles - The EMBO journal, 2021 - embopress.org
The human replisome is an elaborate arrangement of molecular machines responsible for
accurate chromosome replication. At its heart is the CDC45‐MCM‐GINS (CMG) helicase …

[HTML][HTML] A conserved mechanism for regulating replisome disassembly in eukaryotes

M Jenkyn-Bedford, ML Jones, Y Baris, KPM Labib… - Nature, 2021 - nature.com
Replisome disassembly is the final step of eukaryotic DNA replication and is triggered by
ubiquitylation of the CDC45–MCM–GINS (CMG) replicative helicase,–. Despite being driven …

[HTML][HTML] Single-strand DNA breaks cause replisome disassembly

KB Vrtis, JM Dewar, G Chistol, RA Wu, TGW Graham… - Molecular cell, 2021 - cell.com
DNA damage impedes replication fork progression and threatens genome stability. Upon
encounter with most DNA adducts, the replicative CMG helicase (CDC45-MCM2-7-GINS) …

[HTML][HTML] The interplay of RNA: DNA hybrid structure and G-quadruplexes determines the outcome of R-loop-replisome collisions

C Kumar, S Batra, JD Griffith, D Remus - Elife, 2021 - elifesciences.org
R-loops are a major source of genome instability associated with transcription-induced
replication stress. However, how R-loops inherently impact replication fork progression is …

CMG helicase disassembly is essential and driven by two pathways in budding yeast

C Polo Rivera, TD Deegan, KPM Labib - The EMBO Journal, 2024 - embopress.org
The CMG helicase is the stable core of the eukaryotic replisome and is ubiquitylated and
disassembled during DNA replication termination. Fungi and animals use different enzymes …

Metabolic clogging of mannose triggers dNTP loss and genomic instability in human cancer cells

Y Harada, Y Mizote, T Suzuki, A Hirayama, S Ikeda… - Elife, 2023 - elifesciences.org
Mannose has anticancer activity that inhibits cell proliferation and enhances the efficacy of
chemotherapy. How mannose exerts its anticancer activity, however, remains poorly …

[HTML][HTML] PARP1-dependent DNA-protein crosslink repair

Z Fábián, ES Kakulidis, IA Hendriks… - Nature …, 2024 - nature.com
DNA-protein crosslinks (DPCs) are toxic lesions that inhibit DNA related processes. Post-
translational modifications (PTMs), including SUMOylation and ubiquitylation, play a central …

[HTML][HTML] Nucleotide binding halts diffusion of the eukaryotic replicative helicase during activation

D Ramírez Montero, H Sánchez, E van Veen… - Nature …, 2023 - nature.com
The eukaryotic replicative helicase CMG centrally orchestrates the replisome and leads the
way at the front of replication forks. Understanding the motion of CMG on the DNA is …