Cited by 1,064DNA Repair MechanismsCancer-related Molecular PathwaysBacterial Genetics and Biotechnology

ATM- and cell cycle-dependent regulation of ATR in response to DNA double-strand breaks

Jazayeri, Ali, Falck, Jacob, Lukas, Claudia, Bartek, Jiri, Smith, Graeme C. M., Lukas, Jiri, Jackson, Stephen P.·2006·Nature Cell Biology

Abstract

It is generally thought that the DNA-damage checkpoint kinases, ataxia-telangiectasia mutated (ATM) and ATM- and Rad3-related (ATR), work independently of one another. Here, we show that ATM and the nuclease activity of meiotic recombination 11 (Mre11) are required for the processing of DNA double-strand breaks (DSBs) to generate the replication protein A (RPA)-coated ssDNA that is needed for ATR recruitment and the subsequent phosphorylation and activation of Chk1. Moreover, we show that efficient ATM-dependent ATR activation in response to DSBs is restricted to the S and G2 cell cycle phases and requires CDK kinase activity. Thus, in response to DSBs, ATR activation is regulated by ATM in a cell-cycle dependent manner.

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Crossref · 10.1038/ncb1337

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Authors
Jazayeri, A., Falck, J., Lukas, C., Bartek, J., Smith, G. C. M., Lukas, J., & Jackson, S. P.
Affiliations
  • University of Cambridge (GB)
  • Danish Cancer Society (DK)
Corresponding author
Jackson, Stephen P.
Venue
Nature Cell Biology
Published
2005-12-04
Volume
8
Issue
1
Pages
37-45
ISSN
  • 1465-7392 (ISSN-L)
  • 1476-4679
OpenAlex
W2062284662
Cited by
1,064
References
47
Citations by year
2026: 7 · 2025: 13 · 2024: 24 · 2023: 17 · 2022: 33 · 2021: 43 · 2020: 35 · 2019: 45 · 2018: 38 · 2017: 41 · 2016: 48 · 2015: 64 · 2014: 56 · 2013: 79 · 2012: 65
FWCI
25.93
Type
journal article
Language
en
Open access
closed
Locations
  • Nature Cell Biology (publishedVersion)
  • PubMed (publishedVersion)
Funders
Wellcome Trust
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 › Genetics › Bacterial Genetics and Biotechnology
Keywords
ATM, ATR, DNA double-strand breaks, DNA damage checkpoint, Mre11 nuclease, Chk1 phosphorylation, cell cycle regulation, meiotic recombination
MeSH terms
Checkpoint Kinase 1, MRE11 Homologue Protein, Cell Cycle, Cell Nucleus, DNA Damage, DNA-Binding Proteins, HeLa Cells, Humans, Nuclear Proteins, Phosphorylation, Protein Kinases, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Cyclin-Dependent Kinases, Tumor Suppressor Proteins, Cell Line, Tumor, Replication Protein A, Ataxia Telangiectasia Mutated Proteins

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