Reference: Marsy S, et al. (2008) Respiratory mutations lead to different pleiotropic effects on OXPHOS complexes in yeast and in human cells. FEBS Lett 582(23-24):3489-93

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Abstract

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.

Reference Type
Journal Article
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Marsy S, Frachon P, Dujardin G, Lombes A, Lemaire C
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