Cited by 77DNA Repair MechanismsDNA and Nucleic Acid ChemistryFungal and yeast genetics research

The Two DNA Clamps Rad9/Rad1/Hus1 Complex and Proliferating Cell Nuclear Antigen Differentially Regulate Flap Endonuclease 1 Activity

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Friedrich-Heineken, Erica, Toueille, Magali, Tännler, Barbara, Bürki, Christine, Ferrari, Elena, Hottiger, Michael O., Hübscher, Ulrich·2005·Journal of Molecular Biology

Abstract

DNA damage leads to activation of several mechanisms such as DNA repair and cell-cycle checkpoints. It is evident that these different cellular mechanisms have to be finely co-ordinated. Growing evidence suggests that the Rad9/Rad1/Hus1 cell-cycle checkpoint complex (9-1-1 complex), which is recruited to DNA lesion upon DNA damage, plays a major role in DNA repair. This complex has been shown to interact with and stimulate several proteins involved in long-patch base excision repair. On the other hand, the well-characterised DNA clamp-proliferating cell nuclear antigen (PCNA) also interacts with and stimulates several of these factors. In this work, we compared the effects of the 9-1-1 complex and PCNA on flap endonuclease 1 (Fen1). Our data suggest that PCNA and the 9-1-1 complex can independently bind to and activate Fen1. Finally, acetylation of Fen1 by p300-HAT abolished the stimulatory effect of the 9-1-1 complex but not that of PCNA, suggesting a possible mechanism of regulation of this important repair pathway.

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Crossref · 10.1016/j.jmb.2005.09.018

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  • The 9-1-1 complex interacts with BER proteins APE1, Pol β, FEN1, DNA ligase I, and DNA glycosylases MutY, NEIL1, and TDG, stimulating their DNA repair activities.

    “As a critical component of ATR-Chk1 checkpoint pathway, the 9-1-1 complex interacts with several BER proteins: APE1, Polymerase β (Pol β), FEN1, DNA ligase I, as well as DNA glycosylases MutY, NEIL1, and TDG, thereby stimulating their DNA repair activities [177–185] (Fig. 3).”

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Authors
Friedrich-Heineken, E., Toueille, M., Tännler, B., Bürki, C., Ferrari, E., Hottiger, M. O., & Hübscher, U.
Affiliations
University of Zurich (CH)
Corresponding author
Hübscher, Ulrich
Venue
Journal of Molecular Biology
Publisher
Elsevier BV
Published
2005-11
Volume
353
Issue
5
Pages
980-989
ISSN
0022-2836 (ISSN-L)
OpenAlex
W2144805565
Cited by
76
References
59
Citations by year
2022: 2 · 2021: 4 · 2020: 1 · 2018: 1 · 2017: 1 · 2016: 1 · 2015: 8 · 2014: 2 · 2013: 11 · 2012: 2
FWCI
3.26
Type
journal article
Language
en
Open access
Locations
  • Journal of Molecular Biology (publishedVersion)
  • PubMed (publishedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (acceptedVersion)
  • Zurich Open Repository and Archive (University of Zurich) (submittedVersion)
  • Zurich Open Repository and Archive (University of Zurich)
Funders
  • Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (31-61361.00)
  • Federation of European Biochemical Societies
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
Keywords
FEN1, proliferating cell nuclear antigen, DNA clamp, base excision repair, DNA damage response, protein activation, DNA repair regulation
MeSH terms
p300-CBP-Associated Factor, Cloning, Molecular, DNA Damage, DNA Repair, Exonucleases, Humans, Transcription Factors, Cell Cycle Proteins, Proliferating Cell Nuclear Antigen, Flap Endonucleases, Multiprotein Complexes, p300-CBP Transcription Factors, Histone Acetyltransferases

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