期刊
FEBS LETTERS
卷 582, 期 23-24, 页码 3489-3493出版社
WILEY
DOI: 10.1016/j.febslet.2008.09.016
关键词
Mitochondria; Oxidative phosphorylation; Respiratory complex; Saccharomyces cerevisiae; Homo sapiens
资金
- Association Francaise contre les Myopathies
- Agence Nationale pour la Recherche [BLAN06-0234]
Pleiotropic effects in the oxidative phosphorylation pathway (OXPHOS) were investigated in yeast respiratory mutants and in cells from patients with OXPHOS genetic alterations. The main differences between yeast and human cells were (1) the site of the primary defect that was associated with pleiotropic effects, yeast complex V and human complex IV, and (2) the nature of the complex targeted by the secondary effect, yeast complex IV and human complex I. The pleiotropic effects did not correlate with the organization of OXPHOS into supercomplexes and their functional consequences appeared to be a slowing down of the respiratory chain in order to avoid either an increase in the membrane potential or the accumulation of reduced intermediary components of the respiratory chain.
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