The functional significance of mitochondrial respiratory chain supercomplexes

A Kohler, A Barrientos, F Fontanesi, M Ott - EMBO reports, 2023 - embopress.org
The mitochondrial respiratory chain (MRC) is a key energy transducer in eukaryotic cells.
Four respiratory chain complexes cooperate in the transfer of electrons derived from various …

Fatty acid oxidation organizes mitochondrial supercomplexes to sustain astrocytic ROS and cognition

B Morant-Ferrando, D Jimenez-Blasco… - Nature …, 2023 - nature.com
Having direct access to brain vasculature, astrocytes can take up available blood nutrients
and metabolize them to fulfil their own energy needs and deliver metabolic intermediates to …

[HTML][HTML] Preserved respiratory chain capacity and physiology in mice with profoundly reduced levels of mitochondrial respirasomes

D Milenkovic, J Misic, JF Hevler, T Molinié, I Chung… - Cell Metabolism, 2023 - cell.com
The mammalian respiratory chain complexes I, III 2, and IV (CI, CIII 2, and CIV) are critical for
cellular bioenergetics and form a stable assembly, the respirasome (CI-CIII 2-CIV), that is …

Metabolism in cancer stem cells: targets for clinical treatment

GM Wen, XY Xu, P Xia - Cells, 2022 - mdpi.com
Cancer stem cells (CSCs) have high tumorigenicity, high metastasis and high resistance to
treatment. They are the key factors for the growth, metastasis and drug resistance of …

SCAF1 drives the compositional diversity of mammalian respirasomes

I Vercellino, LA Sazanov - Nature Structural & Molecular Biology, 2024 - nature.com
Supercomplexes of the respiratory chain are established constituents of the oxidative
phosphorylation system, but their role in mammalian metabolism has been hotly debated …

Structural rather than catalytic role for mitochondrial respiratory chain supercomplexes

M Brischigliaro, A Cabrera-Orefice, S Arnold, C Viscomi… - elife, 2023 - elifesciences.org
Mammalian mitochondrial respiratory chain (MRC) complexes are able to associate into
quaternary structures named supercomplexes (SCs), which normally coexist with non-bound …

Residual Complex I activity and amphidirectional Complex II operation support glutamate catabolism through mtSLP in anoxia

D Ravasz, D Bui, S Nazarian, G Pallag, N Karnok… - Scientific Reports, 2024 - nature.com
Anoxia halts oxidative phosphorylation (OXPHOS) causing an accumulation of reduced
compounds in the mitochondrial matrix which impedes dehydrogenases. By simultaneously …

Mitochondrial sAC-cAMP-PKA Axis Modulates the ΔΨm-Dependent Control Coefficients of the Respiratory Chain Complexes: Evidence of Respirasome Plasticity

R Scrima, O Cela, M Rosiello, AQ Nabi… - International Journal of …, 2023 - mdpi.com
The current view of the mitochondrial respiratory chain complexes I, III and IV foresees the
occurrence of their assembly in supercomplexes, providing additional functional properties …

Association of 2‐oxoacid dehydrogenase complexes with respirasomes in mitochondria

KS Plokhikh, SV Nesterov, YM Chesnokov… - The FEBS …, 2024 - Wiley Online Library
In the present study, cryo‐electron tomography was used to investigate the localization of 2‐
oxoacid dehydrogenase complexes (OADCs) in cardiac mitochondria and mitochondrial …

Mitochondrial proteome changes in Rett Syndrome

G Golubiani, L van Agen, L Tsverava, R Solomonia… - Biology, 2023 - mdpi.com
Simple Summary Rett syndrome (RTT) is a genetic disorder caused by mutations in the X-
chromosome. These mutations distort the function of a protein (methyl-CpG-binding protein …