Evidence map›Paper›PMID 29924986›Full record

ArticleCell reports2018

Replication Fork Reversal during DNA Interstrand Crosslink Repair Requires CMG Unloading.

Ravindra Amunugama, Smaranda Willcox, R Alex Wu, Ummi B Abdullah, Afaf H El-Sagheer, Tom Brown, Peter J McHugh, Jack D Griffith, Johannes C Walter

Abstract read
In one paragraph

Article in Cell reports, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 58 papers.

0numbers the graph read from it
0cells of the map it votes in
58citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

58 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors.

Ravindra AmunugamaHoward Hughes Medical Institute and Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.
Smaranda WillcoxLineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA.
R Alex WuHoward Hughes Medical Institute and Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA.
Ummi B AbdullahDepartment of Oncology, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK.
Afaf H El-SagheerDepartment of Chemistry, University of Oxford, Oxford OX1 3TA, UK.
Tom BrownDepartment of Chemistry, University of Oxford, Oxford OX1 3TA, UK; Department of Oncology, University of Oxford, Old Road Campus Research Building, Oxford OX3 7DQ, UK.
Peter J McHughDepartment of Oncology, Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, UK.
Jack D GriffithLineberger Comprehensive Cancer Center, University of North Carolina, Chapel Hill, Chapel Hill, NC 27599, USA. Electronic address: jdg@med.unc.edu.
Johannes C WalterHoward Hughes Medical Institute and Department of Biological Chemistry and Molecular Pharmacology, Harvard Medical School, Boston, MA 02115, USA. Electronic address: johannes_walter@hms.harvard.edu.

Funding

Virology Research Program (Program 4)P30CA016086 · NCI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI Deborah F. Tate · 1985 to 2026
$201.5M
Vironomics and Biostatistics CoreP01CA019014 · NCI · UNIV OF NORTH CAROLINA CHAPEL HILL · PI BLOSSOM A DAMANIA, NANCY JOAN RAAB-TRAUB · 1985 to 2026
$43.8M
The Fanconi anemia pathway: role in DNA interstrand cross-link repairR01HL098316 · NHLBI · HARVARD MEDICAL SCHOOL · PI Johannes Walter · 2010 to 2026
$6.3M
HOMOLOOUS RECOMBINATION: ITS MOLECULAR CYTOLOGYR01GM031819 · NIGMS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI GRIFFITH, JACK D · 1985 to 2017
$5.2M
Nucleoprotein structures formed at sites of DNA damageR01ES013773 · NIEHS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI GRIFFITH, JACK D · 2005 to 2015
$3.2M
The structure of the telomere as a sentinel of DNA damage.R56ES013773 · NIEHS · UNIV OF NORTH CAROLINA CHAPEL HILL · PI GRIFFITH, JACK D · 2019 to 2019
$150k
Howard Hughes Medical InstituteNCI NIH HHS P01 CA019014NCI NIH HHS P30 CA016086NHLBI NIH HHS R01 HL098316NIEHS NIH HHS R01 ES013773NIEHS NIH HHS R56 ES013773NIGMS NIH HHS R01 GM031819
6 · The paper itself

Abstract

DNA interstrand crosslinks (ICLs) are extremely cytotoxic, but the mechanism of their repair remains incompletely understood. Using Xenopus egg extracts, we previously showed that repair of a cisplatin ICL is triggered when two replication forks converge on the lesion. After CDC45/MCM2-7/GINS (CMG) ubiquitylation and unloading by the p97 segregase, FANCI-FANCD2 promotes DNA incisions by XPF-ERCC1, leading to ICL unhooking. Here, we report that, during this cell-free ICL repair reaction, one of the two converged forks undergoes reversal. Fork reversal fails when CMG unloading is inhibited, but it does not require FANCI-FANCD2. After one fork has undergone reversal, the opposing fork that still abuts the ICL undergoes incisions. Our data show that replication fork reversal at an ICL requires replisome disassembly. We present a revised model of ICL repair that involves a reversed fork intermediate.

Indexed as

DNA RepairDNA ReplicationAnimalsCell ExtractsCross-Linking ReagentsDNADNA-Binding ProteinsDNA HelicasesOvumXenopus laevisXenopus ProteinsCell ExtractsCross-Linking ReagentsDNADNA-Binding ProteinsDNA HelicasesXenopus Proteinsxeroderma pigmentosum group F proteinCMGDNA interstrand crosslink repairDNA replicationFanconi anemiaICLreplication fork reversalXPF

Identifiers

PMID29924986
PMCPMC6086610

What OpenQuestion holds

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Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.