Cited by 306Mitochondrial Function and PathologyCoenzyme Q10 studies and effectsATP Synthase and ATPases Research

The DOI matches its Crossref record; 187 of the 187 references it cites were found in a registry or an index.

Functional role of mitochondrial respiratory supercomplexes

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Genova, Maria Luisa, Lenaz, Giorgio·2014·Biochimica et Biophysica Acta (BBA) - Bioenergetics

Abstract

Recent experimental evidence has replaced the random diffusion model of electron transfer with a model of supramolecular organisation based upon specific interactions between individual respiratory complexes. These supercomplexes were found to be functionally relevant by flux control analysis and to confer a kinetic advantage to NAD-linked respiration (channelling). However, the Coenzyme Q pool is still required for FAD-linked oxidations and for the proper equilibrium with Coenzyme Q bound in the supercomplex. Channelling in the cytochrome c region probably also occurs but does not seem to confer a particular kinetic advantage. The supramolecular association of individual complexes strongly depends on membrane lipid amount and composition and is affected by lipid peroxidation; it also seems to be modulated by membrane potential and protein phosphorylation. Additional properties of supercomplexes are stabilisation of Complex I, as evidenced by the destabilising effect on Complex I of mutations in either Complex III or IV, and prevention of excessive generation of reactive oxygen species. The dynamic character of the supercomplexes allows their involvement in metabolic adaptations and in control of cellular signalling pathways. This article is part of a Special Issue entitled: Dynamic and ultrastructure of bioenergetic membranes and their components.

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Metadata

Authors
Genova, M. L., & Lenaz, G.
Affiliations
University of Bologna (IT)
Corresponding author
Genova, Maria Luisa
Venue
Biochimica et Biophysica Acta (BBA) - Bioenergetics
Publisher
Elsevier BV
Published
2014-04
Volume
1837
Issue
4
Pages
427-443
ISSN
0005-2728 (ISSN-L)
OpenAlex
W2006849545
Cited by
306
References
187
Citations by year
2026: 10 · 2025: 8 · 2024: 15 · 2023: 17 · 2022: 17 · 2021: 24 · 2020: 30 · 2019: 27 · 2018: 32 · 2017: 34 · 2016: 43 · 2015: 31 · 2014: 15
FWCI
2.85
Type
journal article
Language
en
Open access
Locations
  • Biochimica et Biophysica Acta (BBA) - Bioenergetics (publishedVersion)
  • PubMed (publishedVersion)
  • Archivio istituzionale della ricerca (Alma Mater Studiorum Università di Bologna) (submittedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mitochondrial Function and Pathology
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Coenzyme Q10 studies and effects
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › ATP Synthase and ATPases Research
Keywords
electron transfer, supramolecular organization, flux control, channeling, coenzyme Q10, cytochrome c, membrane lipid composition, lipid peroxidation, membrane potential, protein phosphorylation, reactive oxygen species, metabolic adaptation, signal transduction
MeSH terms
Kinetics, Membrane Lipids, Mitochondria, Models, Biological, Multienzyme Complexes, Oxidation-Reduction, Oxidative Phosphorylation, Ubiquinone, Cell Respiration, Mitochondrial Membranes

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