Mitochondrial disorders are caused by mutations in either nuclear or mitochondrial genes involved in the synthesis of respiratory chain subunits or in their post-translational control. Molecular lesions of mitochondrial DNA are a frequent cause of defective oxidative phosphorylation. Although only one mutation of nuclear-encoded oxidative phosphorylation subunits has so far been reported in humans, numerous biochemically defined disorders are attributed to nuclear gene defects. The pathogenesis of these disorders has been investigated through a combination of different expertises, including keen clinical observation, classical biochemistry and muscle morphology, molecular and cellular biology, linkage analysis and population genetic studies.
Disorders of mitochondria and related metabolism
Zeviani M.;
1997
Abstract
Mitochondrial disorders are caused by mutations in either nuclear or mitochondrial genes involved in the synthesis of respiratory chain subunits or in their post-translational control. Molecular lesions of mitochondrial DNA are a frequent cause of defective oxidative phosphorylation. Although only one mutation of nuclear-encoded oxidative phosphorylation subunits has so far been reported in humans, numerous biochemically defined disorders are attributed to nuclear gene defects. The pathogenesis of these disorders has been investigated through a combination of different expertises, including keen clinical observation, classical biochemistry and muscle morphology, molecular and cellular biology, linkage analysis and population genetic studies.
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