Cited by 291DNA Repair MechanismsCancer-related Molecular PathwaysDNA and Nucleic Acid Chemistry

ATR: a master conductor of cellular responses to DNA replication stress

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Flynn, Rachel Litman, Zou, Lee·2011·Trends in Biochemical Sciences

Abstract

The integrity of the genome is constantly challenged by intrinsic and extrinsic genotoxic stresses that damage DNA. The cellular responses to DNA damage are orchestrated by DNA damage signaling pathways, also known as DNA damage checkpoints. These signaling pathways play crucial roles in detecting DNA damage, regulating DNA repair and coordinating DNA repair with other cellular processes. In vertebrates, the ATM- and Rad3-related (ATR) kinase plays a key role in the response to a broad spectrum of DNA damage and DNA replication stress. Here, we will discuss the recent findings on how ATR is activated by DNA damage and how it protects the genome against interference with DNA replication.

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Crossref · 10.1016/j.tibs.2010.09.005

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  • ATR is the main regulator of nucleotide excision repair because it detects replication and transcription stress caused by UV-induced and other bulky DNA adducts.

    “Although it functions in multiple DDR processes 21 ATR is the primary regulator of the nucleotide excision repair pathway due to its ability to detect the replicative and transcriptional stresses caused by UV-induced damage and other bulky DNA adducts resulting from chemical toxins and some chemotherapeutic agents 22–25.”

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Authors
Flynn, R. L., & Zou, L.
Affiliations
Harvard University (US)
Corresponding author
Zou, Lee
Venue
Trends in Biochemical Sciences
Publisher
Elsevier BV
Published
2011-03
Volume
36
Issue
3
Pages
133-140
ISSN
0968-0004 (ISSN-L)
OpenAlex
W2050293032
Cited by
290
References
100
Citations by year
2026: 6 · 2025: 8 · 2024: 14 · 2023: 14 · 2022: 17 · 2021: 16 · 2020: 20 · 2019: 19 · 2018: 21 · 2017: 19 · 2016: 22 · 2015: 23 · 2014: 29 · 2013: 29 · 2012: 19
FWCI
1.74
Type
journal article
Language
en
Open access
Locations
  • Trends in Biochemical Sciences (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
National Institute of General Medical Sciences (R01GM076388, GM076388)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
Keywords
ATR kinase, replication stress, DNA damage checkpoint, DNA damage signaling, genome stability, DNA repair, genotoxic stress
MeSH terms
DNA Damage, DNA Repair, DNA Replication, Humans, Models, Biological, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Ataxia Telangiectasia Mutated Proteins

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