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Difference between revisions of "OXPHOS capacity"

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|abbr=''P''
|abbr=''P''
|description='''OXPHOS capacity''' (''P''; compare [[State 3]]) is the respiratory capacity of mitochondria in the ADP-activated state of [[oxidative phosphorylation]], at saturating concentrations of [[ADP]], inorganic phosphate, oxygen, and defined reduced substrates.Β  Since OXPHOS is partially coupled, intrinsic [[uncoupling]] and [[dyscoupling]] contribute to the control of flux in the OXPHOS state (state ''P''). OXPHOS capacity is expressed (i) per mt-marker (mt-protein, [[CS]], etc); if ETS capacity, ''E'', is used as a functional mitochondrial marker, then OXPHOS capacity is expressed as the ''[[P/E]]'' ratio. (ii) OXPHOS capacity is expressed per tissue or cell mass, integrating mt-quantity (density) and mt-quality. (iii) OXPHOS capacity is expressed per cell, which then is a function of mt-density, mt-quality, and cell size.
|description='''OXPHOS capacity''' (''P''; compare [[State 3]]) is the respiratory capacity of mitochondria in the ADP-activated state of [[oxidative phosphorylation]], at saturating concentrations of [[ADP]], inorganic phosphate, oxygen, and defined reduced substrates.Β  Since OXPHOS is partially coupled, intrinsic [[uncoupling]] and [[dyscoupling]] contribute to the control of flux in the OXPHOS state (state ''P''). OXPHOS capacity is expressed (i) per mt-marker (mt-protein, [[CS]], etc); if ETS capacity, ''E'', is used as a functional mitochondrial marker, then OXPHOS capacity is expressed as the ''[[P/E]]'' ratio. (ii) OXPHOS capacity is expressed per tissue or cell mass, integrating mt-quantity (density) and mt-quality. (iii) OXPHOS capacity is expressed per cell, which then is a function of mt-density, mt-quality, and cell size.
|info=[http://www.oroboros.at/index.php?respiratorystates MiPNet12.15], [[Gnaiger_2009_IJBCB]];Β  [[List of respiratory states]]
|info=[http://www.oroboros.at/index.php?respiratorystates MiPNet12.15], [[Gnaiger_2009_IJBCB]]
|type=Respiration
|type=Respiration
}}
}}

Revision as of 17:09, 14 March 2011


high-resolution terminology - matching measurements at high-resolution


OXPHOS capacity

Description

OXPHOS capacity (P; compare State 3) is the respiratory capacity of mitochondria in the ADP-activated state of oxidative phosphorylation, at saturating concentrations of ADP, inorganic phosphate, oxygen, and defined reduced substrates. Since OXPHOS is partially coupled, intrinsic uncoupling and dyscoupling contribute to the control of flux in the OXPHOS state (state P). OXPHOS capacity is expressed (i) per mt-marker (mt-protein, CS, etc); if ETS capacity, E, is used as a functional mitochondrial marker, then OXPHOS capacity is expressed as the P/E ratio. (ii) OXPHOS capacity is expressed per tissue or cell mass, integrating mt-quantity (density) and mt-quality. (iii) OXPHOS capacity is expressed per cell, which then is a function of mt-density, mt-quality, and cell size.

Abbreviation: P

Reference: MiPNet12.15, Gnaiger_2009_IJBCB


MitoPedia topics: "Respiratory state" is not in the list (Enzyme, Medium, Inhibitor, Substrate and metabolite, Uncoupler, Sample preparation, Permeabilization agent, EAGLE, MitoGlobal Organizations, MitoGlobal Centres, ...) of allowed values for the "MitoPedia topic" property. Respiratory state"Respiratory state" is not in the list (Enzyme, Medium, Inhibitor, Substrate and metabolite, Uncoupler, Sample preparation, Permeabilization agent, EAGLE, MitoGlobal Organizations, MitoGlobal Centres, ...) of allowed values for the "MitoPedia topic" property.