ArticleJournal of inherited metabolic disease2005
Mutation detection in four candidate genes (OXA1L, MRS2L, YME1L and MIPEP) for combined deficiencies in the oxidative phosphorylation system.
Article in Journal of inherited metabolic disease, 2005. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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7 citing papers in PubMed, 13 citations in OpenAlex.
- Maintaining the Integral Membrane Proteome: Revisiting the Functional Repertoire of Integral Membrane Proteases.Chembiochem : a European journal of chemical biology · 2025Review
- Case report: Rare novelFrontiers in cardiovascular medicine · 2022Article
- How much does a disrupted mitochondrial network influence neuronal dysfunction?EMBO molecular medicine · 2019Article
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- Building the CuThe Journal of biological chemistry · 2018Review
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- A computational screen for regulators of oxidative phosphorylation implicates SLIRP in mitochondrial RNA homeostasis.PLoS genetics · 2009Article
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Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Mitochondria are the main energy-producing organelles of the cell. Five complexes embedded in the mitochondrial inner membrane, together constituting the oxidative phosphorylation (OXPHOS) system, comprise the final steps in cellular energy production. Many patients with a mitochondrial defect suffer from a so-called combined deficiency, meaning that the enzymatic activities of two or more complexes of the OXPHOS system are decreased. Numerous mutations have been described in nuclear genes that are involved in the functioning of a single complex of the OXPHOS system. However, little attention has been paid to patients with a deficiency of more than one complex of this particular system. In this study we have investigated four nuclear genes (OXA1L, MRS2L, YME1L and MIPEP) that might be involved in the pathology of combined enzymatic deficiencies of the OXPHOS system. Based on the results of yeast knockouts of these four proteins, we have sequenced the open reading frame of OXA1L in eight patients with an enzymatic deficiency of complexes I and IV. MRS2L, YME1L and MIPEP have been sequenced in three patients with a combined defect of complexes III and IV. No mutations were detected in these patients, showing that at least in these patients the OXPHOS system deficiency cannot be explained by a mutation in these four genes.
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