photoheterotrophic

Edge evidence

• photoheterotrophic uses energy source light METPO:2000010

  Photoheterotrophic growth uses light as the energy input.

  • DOI:10.1016/B978-012373944-5.00083-3 light and reduced organic compounds Supports light as the energy source in photoheterotrophy.
• bacteriochlorophyll part of photosynthetic reaction center biolink:part_of

  Bacteriochlorophyll pigments occur in reaction centers of many anoxygenic phototrophs.

  • DOI:10.1128/AEM.01747-12 reaction centers composed of bacteriochlorophyll Supports BChl-containing reaction centers in aerobic anoxygenic phototrophs.
• light captured by photosynthetic reaction center

  Reaction centers capture light to initiate photochemical energy conversion.

  • DOI:10.1016/B978-0-12-809633-8.20672-9 utilize light as an energy source Supports reaction-center-based light utilization by chlorophototrophs.
• photosynthetic reaction center initiates photosynthetic electron transport

  Photochemical charge separation drives photosynthetic electron transport.

  • DOI:10.1016/B978-0-12-809633-8.20672-9 light-induced redox chemistry Supports reaction-center photochemistry leading to electron transfer.
• photosynthetic electron transport produces ATP METPO:2000202

  Photosynthetic electron transport conserves light energy as ATP.

  • DOI:10.1016/B978-0-12-809633-8.20672-9 can be used to produce ATP Supports ATP production downstream of phototrophic electron transfer.
• photoheterotrophic uses carbon source organic carbon METPO:2000006

  Photoheterotrophs require organic compounds as the carbon source.

  • DOI:10.1016/B978-012373944-5.00083-3 reduced organic compounds Supports reduced organic compounds as the carbon source in photoheterotrophy.
• organic carbon assimilated into biomass

  Light-supported photoheterotrophs assimilate supplied organic carbon into biomass.

  • DOI:10.1128/AEM.01747-12 accumulate the supplied organic carbon Supports organic carbon assimilation into biomass under light.
• light activates proteorhodopsin proton pumping RO:0002213

  Light drives proton pumping by proteorhodopsin in rhodopsin-based photoheterotrophs.

  • DOI:10.1007/s12275-024-00125-0 the light-driven proton pumping by PR
• proteorhodopsin proton pumping generates membrane potential biolink:produces

  Proteorhodopsin proton transport establishes a membrane potential.

  • DOI:10.1007/s12275-024-00125-0 PR-mediated proton transport could generate a sufficient membrane potential for ATP production
• membrane potential enables ATP production RO:0002327

  The membrane potential drives ATP production.

  • DOI:10.1007/s12275-024-00125-0 generate a sufficient membrane potential for ATP production
• proteorhodopsin cannot generate NAD(P)H for anabolic metabolism

  Boundary edge: proteorhodopsin phototrophy yields ATP but no reducing power for biosynthesis.

  • DOI:10.4014/jmb.2410.10034 PR can never be harnessed to generate NAD(P)H for anabolic metabolism
• aerobic anoxygenic phototrophs perform photophosphorylation

  Aerobic anoxygenic phototrophs generate ATP via photophosphorylation.

  • DOI:10.1186/s40793-024-00573-6 AAPs are facultative photoheterotrophs that harvest light energy and generate ATP by photophosphorylation
• photophosphorylation produces ATP METPO:2000202

  Photophosphorylation conserves light energy as ATP.

  • DOI:10.1186/s40793-024-00573-6 generate ATP by photophosphorylation using a unique type of bacteriochlorophyll-a-containing reaction center
• aerobic anoxygenic phototrophs relies primarily on dissolved organic matter

  Aerobic anoxygenic phototrophs primarily rely on dissolved organic matter as their energy/carbon source.

  • DOI:10.1186/s40793-024-00573-6 they primarily rely on dissolved organic matter as an energy source