mixotrophic

Edge evidence

• mixotrophic uses carbon source organic carbon METPO:2000006

  Mixotrophs can use organic carbon as a carbon source.

  • DOI:10.1073/pnas.1305998110 organic carbon (C) for their C needs Supports organic carbon use as part of mixotrophic metabolism.
• mixotrophic uses carbon source carbon dioxide METPO:2000006

  Mixotrophy can include inorganic carbon acquisition by CO2 fixation.

  • DOI:10.1073/pnas.1305998110 obtain its energy and carbon Supports combining autotrophic and heterotrophic carbon-acquisition modes.
• dissolved organic matter supplies organic carbon

  Dissolved organic matter provides organic substrates in aquatic mixotrophy.

  • DOI:10.1128/AEM.01559-06 DOM, dissolved organic matter Figure legend identifies dissolved organic matter as a substrate pool in bacterial metabolic modes.
• mixotrophic can use energy capture route phototrophic energy capture

  Some microbial mixotrophs supplement organic carbon use with light-harvesting energy systems.

  • DOI:10.1128/AEM.01559-06 rhodopsin and other pigment Review discusses pigment/rhodopsin-associated bacterial metabolic modes.
• carbon dioxide fixed by CO2-fixation pathway METPO:2007404

  Inorganic carbon assimilation converts CO2 into cellular carbon.

  • DOI:10.1128/AEM.02473-10 autotrophic CO2 fixation Supports CO2 fixation as the inorganic-carbon assimilation process.
• organic carbon incorporated into biomass biolink:part_of

  Organic carbon contributes to cell material in mixotrophic growth.

  • DOI:10.1016/B978-012373944-5.00083-3 incorporation of a compound into biomass Supports assimilatory conversion of organic compounds into biomass.
• electron transport chain drives ATP synthesis

  Electron transport chain activity drives ATP synthesis.

  • DOI:10.1128/aem.00599-24 Complete ETC complexes and F-type ATPase support ETC-driven ATP synthesis.
• proton motive force drives ATP synthesis

  Proton gradient drives ATP synthesis via ATP synthase.

  • DOI:10.1128/spectrum.02177-23 A proton gradient drives ATP synthesis (canonical bioenergetic edge).
• phototrophic energy capture generates proton motive force biolink:produces

  Proton-pump rhodopsin photosystems generate a proton gradient.

  • DOI:10.1128/spectrum.02177-23 Proton-pump rhodopsin acts as a photosystem-independent proton pump creating a proton gradient.
• RuBisCO enables Calvin-Benson-Bassham cycle RO:0002327

  RuBisCO enables the Calvin-Benson-Bassham cycle.

  • DOI:10.1128/aem.00599-24 MAGs encode Form II RuBisCO (rbcL/cbbM) and a full CBB cycle.
• Calvin-Benson-Bassham cycle fixes carbon dioxide

  The Calvin-Benson-Bassham cycle fixes CO2 into organic carbon.

  • DOI:10.1128/aem.00599-24 A full CBB cycle is consistent with CO2 fixation potential.
• organic matter limitation promotes switching to phototrophic energy capture

  When organic matter is limiting, mixotrophs switch to light-based energy and inorganic carbon use.

  • DOI:10.1128/AEM.01559-06 If organic matter is limiting, a mixotroph can switch to using light as an energy source and inorganic carbon as a carbon source.
• light limitation promotes switching to organic carbon

  When light is limiting, mixotrophs switch back to degradation of organic substances.

  • DOI:10.1128/AEM.01559-06 As light gets limiting, the organism can switch back to degradation of organic substances.