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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Mutations of SURF-1 in Leigh disease associated with cytochrome c oxidase deficiency.

Leigh disease associated with cytochrome c oxidase deficiency (LD[COX-]) is one of the most common disorders of the mitochondrial respiratory chain, in infancy and childhood. No mutations in any of the genes encoding the COX-protein subunits have been identified in LD(COX-) patients. Using complementation assays based on the fusion of LD(COX-) cell lines with several rodent/human rho0 hybrids, we demonstrated that the COX phenotype was rescued by the presence of a normal human chromosome 9. Linkage analysis restricted the disease locus to the subtelomeric region of chromosome 9q, within the 7-cM interval between markers D9S1847 and D9S1826. Candidate genes within this region include SURF-1, the yeast homologue (SHY-1) of which encodes a mitochondrial protein necessary for the maintenance of COX activity and respiration. Sequence analysis of SURF-1 revealed mutations in numerous DNA samples from LD(COX-) patients, indicating that this gene is responsible for the major complementation group in this important mitochondrial disorder.[1]


  1. Mutations of SURF-1 in Leigh disease associated with cytochrome c oxidase deficiency. Tiranti, V., Hoertnagel, K., Carrozzo, R., Galimberti, C., Munaro, M., Granatiero, M., Zelante, L., Gasparini, P., Marzella, R., Rocchi, M., Bayona-Bafaluy, M.P., Enriquez, J.A., Uziel, G., Bertini, E., Dionisi-Vici, C., Franco, B., Meitinger, T., Zeviani, M. Am. J. Hum. Genet. (1998) [Pubmed]
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