The assembly, regulation and function of the mitochondrial respiratory chain

I Vercellino, LA Sazanov - Nature reviews Molecular cell biology, 2022 - nature.com
The mitochondrial oxidative phosphorylation system is central to cellular metabolism. It
comprises five enzymatic complexes and two mobile electron carriers that work in a …

Mitochondrial disorders of the OXPHOS system

E Fernandez‐Vizarra, M Zeviani - FEBS letters, 2021 - Wiley Online Library
Mitochondrial disorders are among the most frequent inborn errors of metabolism, their
primary cause being the dysfunction of the oxidative phosphorylation system (OXPHOS) …

Glucocerebrosidase is imported into mitochondria and preserves complex I integrity and energy metabolism

P Baden, MJ Perez, H Raji, F Bertoli, S Kalb… - Nature …, 2023 - nature.com
Mutations in GBA1, the gene encoding the lysosomal enzyme β-glucocerebrosidase
(GCase), which cause Gaucher's disease, are the most frequent genetic risk factor for …

Two independent respiratory chains adapt OXPHOS performance to glycolytic switch

E Fernandez-Vizarra, S Lopez-Calcerrada… - Cell Metabolism, 2022 - cell.com
The structural and functional organization of the mitochondrial respiratory chain (MRC)
remains intensely debated. Here, we show the co-existence of two separate MRC …

Regulation and functional role of the electron transport chain supercomplexes

S Cogliati, JL Cabrera-Alarcón… - Biochemical Society …, 2021 - portlandpress.com
Mitochondria are one of the most exhaustively investigated organelles in the cell and most
attention has been paid to the components of the mitochondrial electron transport chain …

Complex IV–the regulatory center of mitochondrial oxidative phosphorylation

B Kadenbach - Mitochondrion, 2021 - Elsevier
ATP, the universal energy currency in all living cells, is mainly synthesized in mitochondria
by oxidative phosphorylation (OXPHOS). The final and rate limiting step of the respiratory …

Structure and mechanism of respiratory III–IV supercomplexes in bioenergetic membranes

P Brzezinski, A Moe, P Adelroth - Chemical reviews, 2021 - ACS Publications
In the final steps of energy conservation in aerobic organisms, free energy from electron
transfer through the respiratory chain is transduced into a proton electrochemical gradient …

Respiratory supercomplexes enhance electron transport by decreasing cytochrome c diffusion distance

J Berndtsson, A Kohler, S Rathore, L Marin‐Buera… - EMBO …, 2020 - embopress.org
Respiratory chains are crucial for cellular energy conversion and consist of multi‐subunit
complexes that can assemble into supercomplexes. These structures have been intensively …

Cooperative assembly of the mitochondrial respiratory chain

E Fernández-Vizarra, C Ugalde - Trends in Biochemical Sciences, 2022 - cell.com
Deep understanding of the pathophysiological role of the mitochondrial respiratory chain
(MRC) relies on a well-grounded model explaining how its biogenesis is regulated. The lack …

Human mitochondria require mtRF1 for translation termination at non-canonical stop codons

A Krüger, C Remes, DI Shiriaev, Y Liu, H Spåhr… - Nature …, 2023 - nature.com
The mitochondrial translation machinery highly diverged from its bacterial counterpart. This
includes deviation from the universal genetic code, with AGA and AGG codons lacking …