Olichon A, et al. (2002) (original) (raw)

Reference: Olichon A, et al. (2002)

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Abstract

Mutations in the OPA1 gene are associated with autosomal dominant optic atrophy. OPA1 encodes a dynamin-related protein orthologous to Msp1 of Schizosaccharomyces pombe and Mgm1p of Saccharomyces cerevisiae, both involved in mitochondrial morphology and genome maintenance. We present immuno-fluorescence and biochemical evidences showing that OPA1 resides in the mitochondria where it is imported through its highly basic amino-terminal extension. Proteolysis experiments indicate that OPA1 is present in the inter-membrane space and electron microscopy further localizes it close to the cristae. The strong association of OPA1 with membranes suggests its anchoring to the inner membrane.

Reference Type

Journal Article | Research Support, Non-U.S. Gov't

Authors

Olichon A, Emorine LJ, Descoins E, Pelloquin L, Brichese L, Gas N, Guillou E, Delettre C, Valette A, Hamel CP,

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