Evidence map›Paper›PMID 41161019›Full record

ReviewDNA repair2025

Base excision repair in chromatin: A tug-of-war for DNA damage.

Abigayle F Vito, Daniel J Boesch, Ava M Hammons, Bret D Freudenthal, Tyler M Weaver

Abstract readReview
In one paragraph

Review in DNA repair, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing 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

4 citing papers in PubMed.

  1. Article
  2. Article
  3. Review
  4. Efficient and Safe Knockout ofVeterinary sciences · 2026
    Article
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

5 authors.

Abigayle F VitoDepartment of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, Kansas 66160, USA.
Daniel J BoeschDepartment of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA; University of Virginia Comprehensive Cancer Center, Charlottesville, Virginia 22908, USA.
Ava M HammonsDepartment of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, Kansas 66160, USA.
Bret D FreudenthalDepartment of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, Kansas 66160, USA; Department of Cancer Biology, University of Kansas Medical Center, Kansas City, Kansas 66160, USA; University of Kansas Cancer Center, Kansas City, Kansas 66160, USA. Electronic address: bfreudenthal@kumc.edu.
Tyler M WeaverDepartment of Biochemistry and Molecular Genetics, University of Virginia School of Medicine, Charlottesville, Virginia 22908, USA; University of Virginia Comprehensive Cancer Center, Charlottesville, Virginia 22908, USA. Electronic address: fsp8ux@virginia.edu.

Funding

Supplement to NIH Award 2 R35GM128562-06R35GM128562 · NIGMS · UNIVERSITY OF KANSAS MEDICAL CENTER · PI Bret D Freudenthal · 2018 to 2026
$4.2M
NIGMS NIH HHS R35 GM128562
6 · The paper itself

Abstract

Base excision repair (BER) is a genome surveillance pathway responsible for repairing DNA base lesions distributed throughout the chromatinized eukaryotic genome. However, chromatin structure acts as a dynamic structural barrier that restricts access to DNA and must be overcome for BER to proceed efficiently. In this perspective, we summarize recent advances that have shaped our understanding of BER in chromatin, with a focus on the structural mechanisms employed by core BER enzymes to recognize and repair DNA lesions within the nucleosome. We highlight how DNA accessibility dictates BER enzyme activity and discuss the concepts of localized and global DNA sculpting as emerging strategies for lesion recognition and repair. We propose that BER within the nucleosome represents a molecular "tug-of-war", where the histone octamer and the BER enzymes are in a constant competition for access to the damaged nucleosomal DNA. The outcome of this competition is dictated by the position of the DNA lesion within the nucleosome, which ultimately defines the efficiency of BER enzymes within chromatin. We also explore possible mechanisms used by ATP-dependent chromatin remodeling to facilitate BER within the nucleosome. Together, these recent advances provide a framework for understanding BER in chromatin and outline key unanswered questions regarding chromatin-based BER.

Indexed as

ChromatinDNADNA DamageDNA RepairAnimalsChromatin Assembly and DisassemblyExcision RepairHistonesHumansNucleosomesChromatinDNAHistonesNucleosomesBase Excision RepairChromatinDNA damageDNA sculptingNucleosome

Identifiers

PMID41161019
PMCPMC13277549

What OpenQuestion holds

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LicenceCC BY
Read underepoch 390

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.