Mesorhizobium australicum

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

Overview

  • Mesorhizobium australicum is a Gram-negative, non-spore-forming, aerobic, motile, rod-shaped bacterium. It has been detected in at least 1 gut microbiome compilation study or metastudy. The DNA G+C content is 63.0%. Mesorhizobium australicum is likely to be transient and not a long-term gut coloniser. (Nandasena2009)



  • This organism has been recovered from legume pasture species, Australia. Pathogenicity status unknown, or very unlikely to be pathogenic. Likely to be transient and not a long-term gut commensal.
    • QUIRKS
  • Aerobic and probable low optimum growth temperature suggests this is an unlikely gut coloniser.
    • GENERAL CHARACTERISTICS (Nandasena2009);
    Character Response
  • pH
  • Acidity tolerance:
  • tolerates pH 5.5; tolerates pH 9.0;
  • ⥅
  • Substrates assimilated or utilised:
  • arabinose; gentiobiose; melibiose; sucrose; trehalose;
  • ±
  • Strain-dependent substrate utilisation:
  • N-acetylglucosamine; arbutin; lactose; maltose; raffinose; D-tagatose; D-turanose;
    • SPECIAL FEATURES
    Character Response
    RESPONSE TO ANTIBIOTICS (Nandasena2009);
    Class Active Resistant
  • Penicillins:
  • amoxicillin;
  • Tetracyclines:
  • tetracycline;
  • Quinolines:
  • nalidixic-acid;
  • Aminoglycosides:
  • spectinomycin; streptomycin;
  • gentamicin; kanamycin;
  • Heterocycles:
  • chloramphenicol;

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Proteobacteria Class:  Alphaproteobacteria Order:  Rhizobiales Family:  Phyllobacteriaceae Genus:  Mesorhizobium Gram stain:  neg O2 Relation.:  aerobic Spore:  No spore Motility:  Swimming Morphology:  Rod
    Health:  Unknown
    Source:  legume pasture species, Australia
    DNA G+C(%):  63.0
    pH 4.2-5.9:  5.5(+)
    pH >8:  9.0(+)
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    Arabinose:  + Sorbose:  neg D-Tagatose:  d Gentiobiose:  + Lactose:  d Maltose:  d Melibiose:  + Raffinose:  d Sucrose:  + D-Turanose:  d Trehalose:  + N_Acetyl_glucosamine:  d Arbutin:  d Dulcitol:  neg
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    amoxicillin:  S(50; disc)
    gentamicin:  R(40; disc)
    kanamycin:  R(50; disc)
    spectinomycin:  S(50; disc)
    streptomycin:  S(100; disc)
    nalidixic-acid:  R(50; disc)
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    tetracycline:  S(20; disc)
    chloramphenicol:  S(40; disc)

    References

    SPECIFIC REFERENCES FOR MESORHIZOBIUM AUSTRALICUM
  • Nandasena2009 - Mesorhizobium australicum sp. nov. and Mesorhizobium opportunistum sp. nov., isolated from Biserrula pelecinus L. in Australia.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR MESORHIZOBIUM AUSTRALICUM
  • Byrd2020 - Stability and dynamics of the human gut microbiome and its association with systemic immune traits.
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    • Added: May 15, 2022