chemolithotrophic

Edge evidence

• chemolithotrophic uses electron donor inorganic chemical electron donor METPO:2000009

  Chemolithotrophy uses inorganic chemicals as electron donors.

  • DOI:10.1016/B978-0-12-378630-2.00219-X oxidize inorganic atoms or molecules Supports inorganic chemical oxidation as chemolithotrophy.
• ammonia monooxygenase oxidizes ammonia METPO:2000016

  Ammonia monooxygenase initiates ammonia oxidation.

  • DOI:10.1146/annurev.micro.55.1.485 ammonia-oxidizing bacteria Supports ammonia oxidation as a chemolithoautotrophic process.
• ammonia oxidized to hydroxylamine METPO:2007405

  Ammonia oxidation proceeds through hydroxylamine.

  • DOI:10.1007/s00775-020-01820-0 convert ammonia to hydroxylamine Supports AMO-catalyzed ammonia-to-hydroxylamine conversion.
• hydroxylamine oxidized to nitrite METPO:2007405

  Hydroxylamine oxidation yields nitrite in ammonia oxidizers.

  • DOI:10.3389/fmicb.2012.00210 oxidation of hydroxylamine to nitrite Supports hydroxylamine oxidation as the next nitrification step.
• Sox enzyme system oxidizes thiosulfate METPO:2000016

  Sox proteins mediate oxidation of reduced sulfur compounds such as thiosulfate.

  • DOI:10.1111/j.1574-6976.2009.00187.x oxidation of thiosulfate Supports the Sox multienzyme system in lithotrophic sulfur oxidation.
• inorganic chemical electron donor feeds electrons into respiratory chain METPO:2007402

  Oxidation of inorganic donors feeds electrons into respiratory chains.

  • DOI:10.1016/j.bbabio.2008.09.008 membrane-bound electron transport chain Supports respiratory chains as energy-conserving redox systems.
• respiratory chain produces ATP METPO:2000202

  Respiratory energy conservation produces ATP.

  • DOI:10.1016/j.bbabio.2008.09.008 drives ATP synthesis Supports ATP synthesis from the respiratory ion gradient.
• Calvin-Benson-Bassham cycle mediates fixation of carbon dioxide

  Chemolithoautotrophs fix CO2 via the Calvin-Benson-Bassham cycle.

  • DOI:10.3390/microorganisms12030590 fixes atmospheric CO2 via the Calvin-Benson-Bassham (CBB) cycle
• acidification decreases nitrification rate RO:0002212

  Environmental acidification reduces nitrification rates.

  • DOI:10.1038/s41467-023-37104-9 a 5.8-18.1% drop and ~11.1-34.1% decline when pCO2 was doubled
• acidification stimulates generation of nitrous oxide

  Acidification stimulates N2O byproduct generation during nitrification.

  • DOI:10.1038/s41467-023-37104-9 Acidification also stimulate[s] generation of byproduct nitrous oxide (N2O)