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

Overview


  • Bradyrhizobium icense 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 61.9%. Bradyrhizobium icense is likely to be transient and not a long-term gut coloniser. (Duran2014)



  • This organism has been recovered from human faeces and root nodules. Pathogenicity status unknown, or very unlikely to be pathogenic. Likely to be transient and not a long-term gut commensal.

  • QUIRKS
  • Can't grow at 37C, so unlikely to be a gut coloniser.

  • GENERAL CHARACTERISTICS (Duran2014);
    Character Response
  • Substrates hydrolysed or digested:
  • urea;
  • 🧂
  • Salt tolerance:
  • tolerates 1% salt;
  • pH
  • Acidity tolerance:
  • doesn't tolerate pH 4.5; tolerates pH 10; Grows optimally at pH 7.
  • 🌡
  • Temperature tolerance:
  • doesn't grow at 37℃;
  • Substrates assimilated or utilised:
  • adonitol; L-arabinose; fucose; mannitol; mannose; rhamnose; xylose; betaine; proline;

  • SPECIAL FEATURES
    Character Response

    RESPONSE TO ANTIBIOTICS (Duran2014);
    Class Active Resistant
  • Cephalosporins:
  • cefixime;
  • Macrolides:
  • erythromycin;
  • Tetracyclines:
  • tetracycline;
  • Aminoglycosides:
  • kanamycin; streptomycin;
  • gentamicin;
  • Miscellaneous antibiotics:
  • lincomycin;

  • Details


    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Proteobacteria Class:  Alphaproteobacteria Order:  Hyphomicrobiales Family:  Bradyrhizobiaceae Genus:  Bradyrhizobium Gram stain:  neg O2 Relation.:  aerobic Spore:  No spore Motility:  Swimming Morphology:  Rod
    Health:  Unknown
    Source:  human faeces and root nodules
    DNA G+C(%):  61.9
    Mid T(℃):  37(neg)
    NaCl 0.5-2%:  1(+)
    Opt. pH:  7
    pH 4.2-5.9:  4.5(neg)
    pH >8:  10(+)
    Urea:  +

    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    L-Arabinose:  + Fucose:  + Mannose:  + Rhamnose:  + Xylose:  + Sucrose:  neg Adonitol:  + Mannitol:  + Betaine:  + Pro:  + Citrate:  neg

    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    cefixime:  R(15; disc)
    gentamicin:  R(5; disc)
    kanamycin:  S(30; disc)
    streptomycin:  S(50; disc)
    erythromycin:  R(50; disc)
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    tetracycline:  S(10; disc)
    lincomycin:  R(5; disc)

    References


    SPECIFIC REFERENCES FOR BRADYRHIZOBIUM ICENSE
  • Duran2014 - Bradyrhizobium paxllaeri sp. nov. and Bradyrhizobium icense sp. nov., nitrogen-fixing rhizobial symbionts of Lima bean (Phaseolus lunatus L.) in Peru.
  • OrmenoOrillo2018 - Complete Genome Sequence of the Symbiotic Strain Bradyrhizobium icense LMTR 13T, Isolated from Lima Bean (Phaseolus lunatus) in Peru.
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  • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR BRADYRHIZOBIUM ICENSE
  • Yang2020 - Species-Level Analysis of Human Gut Microbiota With Metataxonomics.
  • Yang2020a - Establishing high-accuracy biomarkers for colorectal cancer by comparing fecal microbiomes in patients with healthy families
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