chemoorganotrophic

Edge evidence

• chemoorganotrophic uses chemical energy source organic compound

  Chemoorganotrophic metabolism derives energy from organic chemicals.

  • DOI:10.1016/B978-012373944-5.00083-3 reduced organic compound Supports reduced organic compounds as the source for chemoorganotrophic growth.
• organic compound oxidized during organic substrate oxidation

  Organic substrates are oxidized to release reducing equivalents.

  • DOI:10.1016/B978-012373944-5.00083-3 oxidation of a reduced ... organic compound Supports dissimilatory oxidation of reduced organic compounds.
• organic substrate oxidation feeds electrons into respiratory chain METPO:2007402

  Organic substrate oxidation supplies electrons to respiration.

  • DOI:10.1016/j.bbabio.2008.09.008 electron transfer process Supports electron flow through respiratory chains.
• respiratory chain transfers electrons to terminal electron acceptor METPO:2007403

  Respiration moves electrons to terminal electron acceptors.

  • DOI:10.1128/mmbr.61.4.533-616.1997 terminal electron acceptor Supports terminal electron acceptors in respiratory metabolism.
• respiratory chain generates proton motive force biolink:produces

  Respiratory chains generate an electrochemical ion gradient.

  • DOI:10.1016/j.bbabio.2008.09.008 generation of an electrochemical ion gradient Supports proton motive force generation from electron transport.
• proton motive force drives production of ATP biolink:produces

  Proton motive force drives ATP synthesis.

  • DOI:10.1016/j.bbabio.2008.09.008 drives ATP synthesis Supports ATP production from respiratory energy conservation.
• organic compound assimilated into biomass

  Organic compounds also supply carbon for biosynthesis.

  • DOI:10.1016/B978-012373944-5.00083-3 carbon source Supports organic compounds as carbon sources for biosynthesis.
• organic substrate oxidation produces reduced cofactor reduced redox cofactor (NADH)

  Organic substrate oxidation reduces redox cofactors such as NAD to NADH.

  • DOI:10.1093/femsre/fuae016 Redox cofactors (NAD and ferredoxin) accept electrons and become reduced during organic oxidation.
• reduced redox cofactor (NADH) feeds electrons into quinone pool METPO:2007402

  Reduced cofactors donate electrons to the membrane quinone pool via dehydrogenases.

  • DOI:10.1186/s13213-024-01761-y Some dehydrogenases inject electrons into the quinone pool of the respiratory chain.
• quinone pool transfers electrons to terminal electron acceptor METPO:2007403

  The quinone pool passes electrons to terminal oxidases reducing the terminal acceptor.

  • DOI:10.1186/s13213-024-01761-y Quinol oxidases pass electrons from ubiquinols/menaquinones to oxygen.
• oxygen enables aerobic respiration RO:0002327

  Presence of oxygen enables aerobic respiratory chemoorganotrophy.

  • DOI:10.2166/9781789062304_0009 Electron acceptors range from O2 in aerobic respiration.
• nitrate/nitrite enables anaerobic respiration RO:0002327

  Inorganic acceptors such as nitrate/nitrite enable anaerobic respiratory chemoorganotrophy.

  • DOI:10.2166/9781789062304_0009 Organisms catabolize an organic e-donor by respiration with an inorganic e-acceptor such as nitrite or nitrate.
• absence of external electron acceptor leads to fermentation

  Absence of an external terminal electron acceptor leads to fermentation.

  • DOI:10.2166/9781789062304_0009 In fermentation, no terminal e-acceptor is available; electrons are relocated onto an organic catabolic product.
• fermentation generates ATP via substrate-level phosphorylation

  Fermentation generates ATP primarily by substrate-level phosphorylation.

  • DOI:10.1093/femsre/fuae016 In fermentation, ATP is generated primarily by substrate-level phosphorylation.
• substrate-level phosphorylation produces ATP METPO:2000202

  Substrate-level phosphorylation directly produces ATP.

  • DOI:10.1093/femsre/fuae016 Fermentative ATP is produced by substrate-level phosphorylation.