Deckers 2014 FEBS Lett: Difference between revisions
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Latest revision as of 12:07, 8 November 2016
Deckers M, Balleininger M, Vukotic M, Roempler K, Bareth B, Juris L, Dudek J (2014) Aim24 stabilizes respiratory chain supercomplexes and is required for efficient respiration. FEBS Lett 588:2985-92. |
Deckers M, Balleininger M, Vukotic M, Roempler K, Bareth B, Juris L, Dudek J (2014) FEBS Lett
Abstract: The mitochondrial respiratory chain is essential for the conversion of energy derived from the oxidation of metabolites into the membrane potential, which drives the synthesis of ATP. The electron transporting complexes bc1 complex and the cytochrome c oxidase assemble into large supercomplexes, allowing efficient energy transduction. Currently, we have only limited information about what determines the structure of the supercomplex. Here, we characterize Aim24 in baker's yeast as a protein, which is integrated in the mitochondrial inner membrane and is required for the structural integrity of the supercomplex. Deletion of AIM24 strongly affects activity of the respiratory chain and induces a growth defect on non-fermentable medium. Our data indicate that Aim24 has a function in stabilizing the respiratory chain supercomplexes.
Labels: MiParea: Respiration
Organism: Saccharomyces cerevisiae
Preparation: Isolated mitochondria Enzyme: Supercomplex Regulation: Cyt c Coupling state: LEAK, OXPHOS Pathway: S