Cited by 164DNA Repair MechanismsEffects of Radiation ExposureProtein Kinase Regulation and GTPase Signaling

Recruitment of ATR to sites of ionising radiation-induced DNA damage requires ATM and components of the MRN protein complex

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Adams, K E, Medhurst, A L, Dart, D A, Lakin, N D·2006·Oncogene

Abstract

ATM and ATR are two related kinases essential for signalling DNA damage. Although ATM is thought to be the principle kinase responsible for signalling ionising radiation (IR)-induced DNA damage, ATR also contributes to signalling this form of genotoxic stress. However, the molecular basis of differential ATM and ATR activation in response to IR remains unclear. Here, we report that ATR is recruited to sites of IR-induced DNA damage significantly later than activation of ATM. We show that ATR is recruited to IR-induced nuclear foci in G(1) and S phase of the cell cycle, supporting a role for ATR in detecting DNA damage outside of S phase. In addition, we report that recruitment of ATR to sites of IR-induced DNA damage is concomitant with appearance of large tracts of single-stranded DNA (ssDNA) and that this event is dependent on ATM and components of the Mre11/Rad50/Nbs1 (MRN) protein complex.

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  • ATR can also be recruited to DSBs, and this binding depends on ATM.

    “The situation is somewhat complicated by the finding that ATR can be also recruited to DSBs and this binding depends upon ATM [41,42].”

    From Mind the gap: keeping UV lesions in check (2011) · cites this paper as [42]

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Research works printed but not linked: 3

  1. D'Amours D Jackson SP Nat Rev Mol Cell Biol 2002 3 317 327 11988766
  2. Garcia-Muse T Boulton SJ Embo J 2005 24 4345 4355 16319925 PMC1356337
  3. O'Driscoll M Ruiz-Perez VL Woods CG Jeggo PA Goodship JA Nat Genet 2003 33 497 501 12640452

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Authors
Adams, K. E., Medhurst, A. L., Dart, D. A., & Lakin, N. D.
Affiliations
University of Oxford (GB)
Corresponding author
Lakin, N D
Venue
Oncogene
Published
2006-02-13
Volume
25
Issue
28
Pages
3894-3904
ISSN
  • 0950-9232 (ISSN-L)
  • 1476-5594
OpenAlex
W2008280357
Cited by
164
References
62
Citations by year
2025: 5 · 2024: 2 · 2023: 4 · 2022: 6 · 2021: 3 · 2020: 7 · 2019: 11 · 2018: 3 · 2017: 3 · 2016: 2 · 2015: 5 · 2014: 10 · 2013: 10 · 2012: 9
FWCI
8.15
Type
journal article
Language
en
Open access
Locations
  • Oncogene (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
  • ORCA Online Research @Cardiff (Cardiff University) (submittedVersion)
Funders
  • Cancer Research Institute
  • Wellcome Trust
  • Cancer Research UK (A5207)
  • Medical Research Council
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Health Sciences › Medicine › Radiology, Nuclear Medicine and Imaging › Effects of Radiation Exposure
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Kinase Regulation and GTPase Signaling
Keywords
ATR kinase, ATM kinase, ionizing radiation, DNA damage signaling, MRN complex, MRE11, RAD50, NBS1, single-stranded DNA, nuclear foci, G1 phase, S phase, DNA double-strand breaks
MeSH terms
MRE11 Homologue Protein, Animals, Base Sequence, DNA Damage, DNA-Binding Proteins, DNA, Single-Stranded, HeLa Cells, Humans, Radiation, Ionizing, S Phase, 3T3 Cells, Protein Serine-Threonine Kinases, Cell Cycle Proteins, Tumor Suppressor Proteins, RNA, Small Interfering, DNA Repair Enzymes, Mice, Ataxia Telangiectasia Mutated Proteins

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