Article
Uracil-DNA glycosylase-deficient yeast exhibit a mitochondrial mutator phenotype.
Nucleic acids research - 15 Dec 2001
Chatterjee A, Singh K K
Abstract excerpt
Mutations in mitochondrial DNA (mtDNA) have been reported in cancer and are involved in the pathogenesis of many mitochondrial diseases. Uracil-DNA glycosylase, encoded by the UNG1 gene in Saccharomyces cerevisiae, repairs uracil in DNA formed due to deamination of cytosine. Our study demonstrates that inactivation of the UNG1 gene leads to at least a 3-fold increased frequency of mutations in mtDNA compared with...
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