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Nat Genet. 2009 Jun;41(6):654-6. doi: 10.1038/ng.378. Epub 2009 May 24.

SDHAF1, encoding a LYR complex-II specific assembly factor, is mutated in SDH-defective infantile leukoencephalopathy.

Author information

1
Unit of Molecular Neurogenetics-Pierfranco and Luisa Mariani Center for Study of Children's Mitochondrial Disorders, Foundation IRCCS Neurological Institute C. Besta, Milan, Italy.

Abstract

We report mutations in SDHAF1, encoding a new LYR-motif protein, in infantile leukoencephalopathy with defective succinate dehydrogenase (SDH, complex II). Disruption of the yeast homolog or expression of variants corresponding to human mutants caused SDH deficiency and failure of OXPHOS-dependent growth, whereas SDH activity and amount were restored in mutant fibroblasts proportionally with re-expression of the wild-type gene. SDHAF1 is the first bona fide SDH assembly factor reported in any organism.

PMID:
19465911
DOI:
10.1038/ng.378
[Indexed for MEDLINE]

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