Article
Repair of oxidative damage in mitochondrial DNA of Saccharomyces cerevisiae: involvement of the MSH1-dependent pathway.
DNA repair - 1 Apr 2004
Dzierzbicki Piotr, Koprowski Piotr, Fikus Marta U, Malc Ewa, Ciesla Zygmunt
Abstract excerpt
Mitochondrial DNA (mtDNA) is located close to the respiratory chain, a major source of reactive oxygen species (ROS). This proximity makes mtDNA more vulnerable than nuclear DNA to damage by ROS. Therefore, the efficient repair of oxidative lesions in mtDNA is essential for maintaining the stability of the mitochondrial genome. A series of genetic and biochemical studies has indicated that eukaryotic cells,...
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