Cited by 59DNA Repair MechanismsDNA and Nucleic Acid ChemistryBacterial Genetics and Biotechnology

Alternative Excision Repair Pathways

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Yasui, A.·2013·Cold Spring Harbor Perspectives in Biology

Abstract

Alternative excision repair (AER) is a category of excision repair initiated by a single nick, made by an endonuclease, near the site of DNA damage, and followed by excision of the damaged DNA, repair synthesis, and ligation. The ultraviolet (UV) damage endonuclease in fungi and bacteria introduces a nick immediately 5' to various types of UV damage and initiates its excision repair that is independent of nucleotide excision repair (NER). Endo IV-type apurinic/apyrimidinic (AP) endonucleases from Escherichia coli and yeast and human Exo III-type AP endonuclease APEX1 introduce a nick directly and immediately 5' to various types of oxidative base damage besides the AP site, initiating excision repair. Another endonuclease, endonuclease V from bacteria to humans, binds deaminated bases and cleaves the phosphodiester bond located 1 nucleotide 3' of the base, leading to excision repair. A single-strand break in DNA is one of the most frequent types of DNA damage within cells and is repaired efficiently. AER makes use of such repair capability of single-strand breaks, removes DNA damage, and has an important role in complementing BER and NER.

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Authors
Yasui, A.
Affiliations
Tohoku University (JP)
Corresponding author
Yasui, A.
Venue
Cold Spring Harbor Perspectives in Biology
Published
2013-05-03
Volume
5
Issue
6
Pages
a012617-a012617
ISSN
1943-0264 (ISSN-L)
OpenAlex
W2134711735
Cited by
59
References
25
Citations by year
2026: 2 · 2025: 1 · 2024: 5 · 2023: 4 · 2022: 4 · 2021: 6 · 2020: 4 · 2019: 5 · 2018: 7 · 2017: 7 · 2016: 6 · 2015: 4 · 2014: 3 · 2013: 1
Type
posted content
Language
en
Open access
Locations
  • Cold Spring Harbor Perspectives in Biology (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Funders
Japan Society for the Promotion of Science (24310037)
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 › Genetics › Bacterial Genetics and Biotechnology
Keywords
DNA repair, single-strand breaks, UV damage, endonuclease IV, AP endonuclease, APEX1, endonuclease V, oxidative DNA damage, nucleotide excision repair, base excision repair, DNA nicks
MeSH terms
Animals, DNA Damage, DNA Repair, Endonucleases, Humans, Models, Biological, Species Specificity, Yeasts, DNA Repair Enzymes, DNA Breaks, Single-Stranded

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