Clostridium autoethanogenum

Bacteria
General | Carbohydrate O/F | Substrate utilisation | Enzymes | Metabolites | Antibiotics

Overview

  • Clostridium autoethanogenum is a Gram-positive, spore-forming, strictly anaerobic, motile, rod-shaped bacterium. It has been detected in at least 1 gut microbiome compilation study or metastudy. The DNA G+C content is 26%. Clostridium autoethanogenum is probably a rare gut coloniser. (Abrini1994)



  • This organism has been recovered from rabbit faeces. Pathogenicity status unknown, or very unlikely to be pathogenic. A possible gut commensal.
    • QUIRKS
  • Ferments CO, H2 and CO2 to ethanol and acetate.
    • GENERAL CHARACTERISTICS (Abrini1994);
    Character Response
  • pH
  • Acidity tolerance:
  • tolerates pH 4.5; tolerates pH 6.5;
  • 🌡
  • Temperature tolerance:
  • grows at 20℃; grows at 44℃; Grows optimally at 37℃.
  • ⥅
  • Substrates assimilated or utilised:
  • arabinose; fructose; rhamnose; xylose; glutamate; pyruvate; glutamine; H2 consumed; CO2 consumed;
    • SPECIAL FEATURES (Abrini1994);
    Character Response
  • ✓
  • Metabolites produced:
  • acetate; ethanol;
  • ✗
  • Sulfate:
  • not reduced

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Clostridia Order:  Eubacteriales Family:  Clostridiaceae Genus:  Clostridium Gram stain:  + O2 Relation.:  strictly anaerobic Spore:  Endospore Motility:  Swimming Morphology:  Rod
    Health:  Unknown
    Source:  rabbit faeces
    DNA G+C(%):  26
    Opt. T:  37℃
    Lower T(℃):  20(+)
    High T(℃):  44(+)
    pH 4.2-5.9:  4.5(+)
    pH 6.0-8.0:  6.5(+)
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    Arabinose:  + Fructose:  + Galactose:  neg Glucose:  neg Mannose:  neg Rhamnose:  + Ribose:  neg Xylose:  + Lactose:  neg Maltose:  neg Melezitose:  neg Melibiose:  neg Raffinose:  neg Sucrose:  neg Trehalose:  neg Aesculin:  neg Methanol:  neg Sorbitol:  neg Starch:  neg Xylan:  neg Glu:  + Formate:  neg Pyruvate:  +

    References

    SPECIFIC REFERENCES FOR CLOSTRIDIUM AUTOETHANOGENUM
  • Abrini1994 - Clostridium autoethanogenum, sp. nov., an anaerobic bacterium that produces ethanol from carbon monoxide.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR CLOSTRIDIUM AUTOETHANOGENUM
  • New2022 - Collective effects of human genomic variation on microbiome function.
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    • Added: March 18, 2022