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A process whereby a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to oxygen to generate a transmembrane electrochemical gradient. A process whereby a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors other than oxygen to generate a transmembrane electrochemical gradient. The transfer of electrons from NADH to the quinone pool that occurs during oxidative phosphorylation and results in the generation of a proton gradient, mediated by the enzyme known as NADH-quinone oxidoreductase. The chemical reactions and pathways resulting in the formation of precursor metabolites, substances from which energy is derived, and any process involved in the liberation of energy from these substances. A process whereby a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient. The process of transferring reducing equivalents from the cytosol into the mitochondria; NADH is used to synthesise glycerol 3-phosphate in the cytosol; this compound is then transported into the mitochondria where it is converted to dihydroxyacetone phosphate (DHAP) using FAD; DHAP then returns to the cytosol to complete the cycle. In the photosynthetic reaction centers, primary charge separation is initiated by the excitation of a molecule followed by the transfer of an electron to an electron acceptor molecule following energy transfer from light harvesting complexes. The enzymatic release of energy from organic compounds (especially carbohydrates and fats) which either requires oxygen (aerobic respiration) or does not (anaerobic respiration). The transfer of electrons through a series of electron donors and acceptors, generating energy that is ultimately used for synthesis of ATP. The transfer of electrons from cytochrome c to oxygen that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex IV. The transfer of electrons from ubiquinol to cytochrome c that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex III. The transfer of electrons from succinate to ubiquinone that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex II. The transfer of electrons from NADH to ubiquinone that occurs during oxidative phosphorylation, mediated by the multisubunit enzyme known as complex I. The process of transferring reducing equivalents from the cytosol into the mitochondria; NADH is used to synthesise malate in the cytosol; this compound is then transported into the mitochondria where it is converted to oxaloacetate using NADH, the oxaloacetate reacts with gluamate to form aspartate, and the aspartate then returns to the cytosol to complete the cycle. A respiratory electron flow (from NAD(P)H to plastoquinone (PQ) and O2) involving both a nonphotochemical reduction and re-oxidation of PQ pool. A process whereby a series of electron carriers operate together to transfer electrons from donors to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient. The chemical reactions and pathways by which a cell derives energy from organic compounds; results in the oxidation of the compounds from which energy is released. The process of removal or addition of one or more electrons with or without the concomitant removal or addition of a proton or protons.

View Gene Ontology (GO) Term

GO TERM SUMMARY
Name: respiratory electron transport chain
Acc: GO:0022904
Aspect: Biological Process
Desc: A process whereby a series of electron carriers operate together to transfer electrons from donors such as NADH and FADH2 to any of several different terminal electron acceptors to generate a transmembrane electrochemical gradient.
Synonyms:
  • 6-phosphofructokinase reduction
  • other pathways of electron transport
  • protein-disulfide reduction
  • dihydropteridine reduction
  • electron transfer
  • oxidized glutathione reduction
  • dihydrolipoamide reduction
  • dihydrobiopterin reduction
  • dihydrolipoylprotein reduction
Proteins in PDR annotated with:
   This term: 43 [Search]
   Term or descendants: 398 [Search]


[geneontology.org]
INTERACTIVE GO GRAPH

GO:0022904 - respiratory electron transport chain (interactive image map)
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