ArticleExtremophiles : life under extreme conditions2019
Endonucleases responsible for DNA repair of helix-distorting DNA lesions in the thermophilic crenarchaeon Sulfolobus acidocaldarius in vivo.
Article in Extremophiles : life under extreme conditions, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
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11 citing papers in PubMed, 14 citations in OpenAlex.
- The Impact of Single-Stranded DNA-Binding Protein SSB and Putative SSB-Interacting Proteins on Genome Integrity in the Thermophilic CrenarchaeonInternational journal of molecular sciences · 2023Article
- Genistein anticancer efficacy during induced oral squamous cell carcinoma: an experimental study.Journal of the Egyptian National Cancer Institute · 2022Article
- Genetic Study of Four Candidate Holliday Junction Processing Proteins in the Thermophilic CrenarchaeonInternational journal of molecular sciences · 2022Article
- Review
- DNA Polymerase B1 Binding Protein 1 Is Important for DNA Repair by Holoenzyme PolB1 in the Extremely Thermophilic CrenarchaeonMicroorganisms · 2021Article
- Repair of Hypoxanthine in DNA Revealed by DNA Glycosylases and Endonucleases From Hyperthermophilic Archaea.Frontiers in microbiology · 2021Review
- Review
- Genetic Control of Oxidative Mutagenesis inJournal of bacteriology · 2020Article
- PolB1 Is Sufficient for DNA Replication and Repair Under Normal Growth Conditions in the Extremely Thermophilic CrenarchaeonFrontiers in microbiology · 2020Article
- Functional Analysis of the NucS/EndoMS of the Hyperthermophilic ArchaeonFrontiers in microbiology · 2020Article
- New Insights Into DNA Repair Revealed by NucS Endonucleases From Hyperthermophilic Archaea.Frontiers in microbiology · 2020Review
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2 authors at 1 institution in 1 country.
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Abstract
The DNA repair mechanisms of hyperthermophiles can provide important insights for understanding how genetic information is maintained under extreme environments. Recent biochemical studies have identified a novel endonuclease in hyperthermophilic archaea, NucS/EndoMS, that acts on branched DNA substrates and mismatched bases. NucS/EndoMS is thought to participate in the DNA repair of helix-distorting DNA lesions, including UV-induced DNA damage and DNA adducts, and mismatched bases; however, the specific in vivo role of NucS/EndoMS in hyperthermophilic archaeal DNA repair has not been reported. To explore the role of this protein, we knocked out the nucS/endoMS gene of the thermophilic crenarchaeon Sulfolobus acidocaldarius and characterized the mutant phenotypes. While the nucS/endoMS-deleted strain exhibited sensitivity to DNA adducts, it did not have high mutation rates or any sensitivity to UV irradiation. It has been proposed that the XPF endonuclease is involved in homologous recombination-mediated stalled-fork DNA repair. The xpf-deficient strain exhibited sensitivity to helix-distorting DNA lesions, but the sensitivity of the nucS/endoMS and xpf double knockout strain did not increase compared to that of the single knockout strains. We conclude that the endonuclease NucS/EndoMS works with XPF in homologous recombination-mediated stalled-fork DNA repair for the removal of helix-distorting DNA lesions in S. acidocaldarius.
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