oxygen preference

Edge evidence

• ambient molecular oxygen defines oxygen preference METPO:2007500

  Ambient molecular-oxygen concentration is the quantitative axis defining oxygen-preference phenotypes.

  • DOI:10.3389/fmicb.2014.00674 various capacities in their utilization of molecular oxygen Supports molecular oxygen utilization as the classification axis for oxygen-preference phenotypes.
• aerobic is a oxygen preference rdfs:subClassOf

  Aerobic is a child oxygen-preference phenotype.

  • DOI:10.3389/fmicb.2014.00674 aerobic ... respiration capacities Supports aerobic as an oxygen-use phenotype within oxygen-preference classification.
• anaerobic is a oxygen preference rdfs:subClassOf

  Anaerobic is a child oxygen-preference phenotype.

  • DOI:10.3389/fmicb.2014.00674 aerobic, microaerobic, and anaerobic reductases Supports anaerobic as a distinct oxygen-preference classification.
• microaerophilic is a oxygen preference rdfs:subClassOf

  Microaerophilic is a child oxygen-preference phenotype.

  • DOI:10.3389/fmicb.2014.00674 aerophilic, microaerophilic, or anaerobic Supports microaerophilic as a low-O2 setting on the oxygen-preference axis.
• facultative oxygen preference is a oxygen preference rdfs:subClassOf

  Facultative oxygen preference is a child oxygen-preference phenotype.

  • DOI:10.1111/cmi.13338 cope with changing oxygen levels Supports facultative organisms as a mixed-O2 setting on the oxygen-preference axis, switching between aerobic and anaerobic metabolism.
• O2 as terminal electron acceptor enables aerobic RO:0002327

  Obligate aerobic growth depends on molecular oxygen as terminal electron acceptor.

  • DOI:10.1371/journal.ppat.1012084 Obligate aerobes use only oxygen as the terminal electron acceptor, defining aerobic oxygen-preference.
• molecular oxygen serves as O2 as terminal electron acceptor

  Molecular oxygen functions as the terminal electron acceptor in aerobic respiration.

  • DOI:10.1371/journal.ppat.1012084 Oxygen is used as the terminal electron acceptor of the aerobic respiratory chain.
• oxygen / reactive oxygen species stress upregulates detoxifying-enzyme gene expression

  O2 or H2O2 stress upregulates detoxifying-enzyme genes.

  • DOI:10.1128/aem.00606-23 Expression of genes encoding detoxifying enzymes was upregulated in response to O2 or H2O2 stress.
• detoxifying-enzyme gene expression increases oxygen tolerance RO:0002213

  A larger detoxifying-enzyme repertoire increases survival under oxygen exposure.

  • DOI:10.1128/aem.00606-23 Cells with more detoxifying genes survived longer than those with few scavenging enzymes.
• catalase degrades hydrogen peroxide METPO:2000007

  Catalase rapidly degrades hydrogen peroxide, a reactive oxygen species.

  • DOI:10.1038/s43705-023-00251-7 Catalase is the most prominent enzyme for H2O2 degradation at higher concentrations.
• superoxide dismutase increases oxygen tolerance RO:0002213

  Higher superoxide dismutase activity is associated with higher oxygen tolerance.

  • DOI:10.1038/s43705-023-00251-7 Higher Sod activity corresponded to higher oxygen tolerance.