The function of the respiratory supercomplexes: the plasticity model

Mitochondria are important organelles not only as efficient ATP generators but also in controlling and regulating many cellular processes. Mitochondria are dynamic compartments that rearrange under stress response and changes in food availability or oxygen concentrations. The mitochondrial electron...

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Detalles Bibliográficos
Autores: Acin-Perez, Rebeca, Enriquez, Jose Antonio
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Instituto de Salud Carlos III (ISCIII)
Repositorio:Repisalud
Idioma:inglés
OAI Identifier:oai:repisalud.isciii.es:20.500.12105/7536
Acceso en línea:http://hdl.handle.net/20.500.12105/7536
Access Level:acceso abierto
Palabra clave:Cytochromes c
Electron Transport
Mitochondria
Mitochondrial Membranes
Models, Biological
Multienzyme Complexes
Reactive Oxygen Species
Ubiquinone
Cell Respiration
Oxidative Phosphorylation
Descripción
Sumario:Mitochondria are important organelles not only as efficient ATP generators but also in controlling and regulating many cellular processes. Mitochondria are dynamic compartments that rearrange under stress response and changes in food availability or oxygen concentrations. The mitochondrial electron transport chain parallels these rearrangements to achieve an optimum performance and therefore requires a plastic organization within the inner mitochondrial membrane. This consists in a balanced distribution between free respiratory complexes and supercomplexes. The mechanisms by which the distribution and organization of supercomplexes can be adjusted to the needs of the cells are still poorly understood. The aim of this review is to focus on the functional role of the respiratory supercomplexes and its relevance in physiology. This article is part of a Special Issue entitled: Dynamic and ultrastructure of bioenergetic membranes and their components.