Cited by 112DNA Repair MechanismsFungal and yeast genetics researchDNA and Nucleic Acid Chemistry

Lesion bypass in yeast cells: Pol η participates in a multi‐DNA polymerase process

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Bresson, Anne, Fuchs, Robert P.P.·2002·The EMBO Journal

Abstract

Replication through (6-4)TT and G-AAF lesions was compared in Saccharomyces cerevisiae strains proficient and deficient for the RAD30-encoded DNA polymerase eta (Pol eta). In the RAD30 strain, the (6-4)TT lesion is replicated both inaccurately and accurately 60 and 40% of the time, respectively. Surprisingly, in a rad30 Delta strain, the level of mutagenic bypass is essentially suppressed, while error-free bypass remains unchanged. Therefore, Pol eta is responsible for mutagenic replication through the (6-4)TT photoproduct, while another polymerase mediates its error-free bypass. Deletion of the RAD30 gene also reduces the levels of both accurate and inaccurate bypass of AAF lesions within two different sequence contexts up to 8-fold. These data show that, in contrast to the accurate bypass by Pol eta of TT cyclobutane dimers, it is responsible for the mutagenic bypass of other lesions. In conclusion, this paper shows that, in yeast, translesion synthesis involves the combined action of several polymerases.

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Authors
Bresson, A., & Fuchs, R. P. P.
Affiliations
Centre National de la Recherche Scientifique (FR)
Corresponding author
Fuchs, Robert P.P.
Venue
The EMBO Journal
Published
2002-07-15
Volume
21
Issue
14
Pages
3881-3887
ISSN
  • 0261-4189 (ISSN-L)
  • 1460-2075
OpenAlex
W2009214067
Cited by
112
References
43
Citations by year
2026: 3 · 2025: 1 · 2024: 2 · 2023: 6 · 2021: 1 · 2020: 2 · 2019: 2 · 2018: 1 · 2017: 1 · 2016: 5 · 2015: 2 · 2014: 2 · 2013: 1 · 2012: 10
FWCI
4.75
Type
journal article
Language
en
Open access
Locations
  • The EMBO Journal (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Fungal and yeast genetics research
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA and Nucleic Acid Chemistry
Keywords
DNA polymerase eta, translesion synthesis, error-free bypass, cyclobutane pyrimidine dimers, DNA repair, Saccharomyces cerevisiae
MeSH terms
Y-Family DNA Polymerases, DNA-Directed DNA Polymerase, Saccharomyces cerevisiae

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