Cell respiration: Difference between revisions
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|description='''Cell respiration''' channels metabolic fuels into the chemiosmotic coupling (bioenergetic) machinery of [[oxidative phosphorylation]], being regulated by and regulating oxygen consumption (or consumption of an alternative final electron acceptor) and molecular redox states, ion gradients, mitochondrial (or microbial) membrane potential, the phosphorylation state of the ATP system, and heat dissipation in response to intrinsic and extrinsic energy demands. See also [[respirometry]]. | |description='''Cell respiration''' channels metabolic fuels into the chemiosmotic coupling (bioenergetic) machinery of [[oxidative phosphorylation]], being regulated by and regulating oxygen consumption (or consumption of an alternative final electron acceptor) and molecular redox states, ion gradients, mitochondrial (or microbial) membrane potential, the phosphorylation state of the ATP system, and heat dissipation in response to intrinsic and extrinsic energy demands. See also [[respirometry]]. | ||
In internal or '''cell respiration''' in contrast to [[fermentation]], redox balance is maintained by | In internal or '''cell respiration''' in contrast to [[fermentation]], redox balance is maintained by external electron acceptors, transported into the cell from the environment. The chemical potential between electron donors and electron acceptors drives the [[electron transfer pathway]], generating a chemiosmotic potential that in turn drives ATP synthesis. | ||
| | |info=[[Cell ergometry]] | ||
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{{ | Contributed by [[Gnaiger Erich]] (2011-11-15) last update 2020-09-10 | ||
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| | ::::* ''For the biochemists '''respiration''' refers to the minutiae of breathing at a cellular level, the series of tiny steps in which food is reacted with oxygen to generate an internal voltage with the force of lightning'' ([[Lane 2009 Profile Books, London|Lane 2009]]). | ||
== References == | |||
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{{Template:Oroboros QM}} [[Gnaiger Erich]] 2020-09-10 | |||
{{ | {{MitoPedia concepts | ||
| | |mitopedia concept=MiP concept, SUIT concept | ||
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|mitopedia method=Respirometry | |||
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Latest revision as of 13:41, 10 September 2020
Description
Cell respiration channels metabolic fuels into the chemiosmotic coupling (bioenergetic) machinery of oxidative phosphorylation, being regulated by and regulating oxygen consumption (or consumption of an alternative final electron acceptor) and molecular redox states, ion gradients, mitochondrial (or microbial) membrane potential, the phosphorylation state of the ATP system, and heat dissipation in response to intrinsic and extrinsic energy demands. See also respirometry.
In internal or cell respiration in contrast to fermentation, redox balance is maintained by external electron acceptors, transported into the cell from the environment. The chemical potential between electron donors and electron acceptors drives the electron transfer pathway, generating a chemiosmotic potential that in turn drives ATP synthesis.
Reference: Cell ergometry
Contributed by Gnaiger Erich (2011-11-15) last update 2020-09-10
- For the biochemists respiration refers to the minutiae of breathing at a cellular level, the series of tiny steps in which food is reacted with oxygen to generate an internal voltage with the force of lightning (Lane 2009).
References
Bioblast link | Reference | Year |
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Gnaiger 2020 BEC MitoPathways | Gnaiger E (2020) Mitochondrial pathways and respiratory control. An introduction to OXPHOS analysis. 5th ed. Bioenerg Commun 2020.2. https://doi.org/10.26124/bec:2020-0002 | 2020 |
BEC 2020.1 doi10.26124bec2020-0001.v1 | Gnaiger E et al ― MitoEAGLE Task Group (2020) Mitochondrial physiology. Bioenerg Commun 2020.1. https://doi.org/10.26124/bec:2020-0001.v1 | 2020 |
Lane 2009 Profile Books, London | Lane N (2009) Life ascending. The ten great inventions of evolution. Profile Books, London 344 pp. | 2009 |
Oroboros quality management from the O2k to NextGen-O2k
Gnaiger Erich 2020-09-10
MitoPedia concepts:
MiP concept,
SUIT concept
MitoPedia methods:
Respirometry