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Publication year
2010Source
Cell Metabolism, 12, 3, (2010), pp. 283-94ISSN
Publication type
Article / Letter to editor
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Organization
Paediatrics - OUD tm 2017
Laboratory of Genetic, Endocrine and Metabolic Diseases
Pathology
Bioinformatics
CMBI
Physiology
Biochemistry (UMC)
Cell Biology (UMC)
Journal title
Cell Metabolism
Volume
vol. 12
Issue
iss. 3
Page start
p. 283
Page end
p. 94
Subject
Bioinformatics; IGMD 8: Mitochondrial medicine; NCMLS 4: Energy and redox metabolismAbstract
Acyl-CoA dehydrogenase 9 (ACAD9) is a recently identified member of the acyl-CoA dehydrogenase family. It closely resembles very long-chain acyl-CoA dehydrogenase (VLCAD), involved in mitochondrial beta oxidation of long-chain fatty acids. Contrary to its previously proposed involvement in fatty acid oxidation, we describe a role for ACAD9 in oxidative phosphorylation. ACAD9 binds complex I assembly factors NDUFAF1 and Ecsit and is specifically required for the assembly of complex I. Furthermore, ACAD9 mutations result in complex I deficiency and not in disturbed long-chain fatty acid oxidation. This strongly contrasts with its evolutionary ancestor VLCAD, which we show is not required for complex I assembly and clearly plays a role in fatty acid oxidation. Our results demonstrate that two closely related metabolic enzymes have diverged at the root of the vertebrate lineage to function in two separate mitochondrial metabolic pathways and have clinical implications for the diagnosis of complex I deficiency.
This item appears in the following Collection(s)
- Academic publications [238441]
- Electronic publications [122523]
- Faculty of Medical Sciences [90373]
- Faculty of Science [34986]
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