Reduction of Caenorhabditis elegans frataxin increases sensitivity to oxidative stress, reduces lifespan, and causes lethality in a mitochondrial complex II mutant.

Abstract excerpt

Friedreich ataxia is an autosomal recessive neurological disorder caused by deficiency of the mitochondrial protein frataxin. Studies in patient cells, mouse knockout animals, and Saccharomyces cerevisiae models have suggested several hypotheses on the frataxin function, but the full physiology of frataxin in mitochondria has not been well established yet. We have characterized the genomic structure of frh-1, the...

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