Symbiobacterium toebii

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

Overview

  • Symbiobacterium toebii is a Gram-negative, non-spore-forming, microaerophilic, non-motile, rod-shaped bacterium. The DNA G+C content is 65%. Symbiobacterium toebii is likely to be transient and not a long-term gut coloniser. (Rhee2002; Sung2003)



  • This organism has been recovered from farmland compost, Korea. Pathogenicity status unknown, or very unlikely to be pathogenic. Likely to be transient and not a long-term gut commensal.
    • QUIRKS
  • A high minimum growth temperature (45C) suggests this is an unlikely gut coloniser. Symbiotic (obligate commensal) with Geobacillus sp.
    • GENERAL CHARACTERISTICS (Sung2003);
    Character Response
  • pH
  • Acidity tolerance:
  • tolerates pH 6.0; tolerates pH 9; Grows optimally at pH 7.5.
  • 🌡
  • Temperature tolerance:
  • doesn't grow at 37℃; grows at 45-70℃; Grows optimally at 60℃.
  • Active enzymes:
  • alkaline phosphatase; acid phosphatase; chymotrypsin; esterase C4; α-galactosidase; α-glucosidase; β-glucosidase; Leu arylamidase; naphthol-ASBI-P;
    • SPECIAL FEATURES
    Character Response
  • ✓
  • NO3➔NO2:
  • reduced
    • RESPONSE TO ANTIBIOTICS
    Class Active Resistant
  • Penicillins:
  • ampicillin;
  • Tetracyclines:
  • tetracycline;
  • Aminoglycosides:
  • kanamycin;
  • Heterocycles:
  • chloramphenicol;

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Clostridia Order:  Eubacteriales Family:  Symbiobacteriaceae Genus:  Symbiobacterium Gram stain:  neg O2 Relation.:  microaerophilic Spore:  No spore Motility:  Sessile Morphology:  Rod
    Health:  Unknown
    Source:  farmland compost, Korea
    DNA G+C(%):  65
    Opt. T:  60℃
    Mid T(℃):  37(neg)
    High T(℃):  45-70(+)
    Opt. pH:  7.5
    pH 6.0-8.0:  6.0(+)
    pH >8:  9(+)
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Ac-β-glcamnd:  neg α-Fucosidase:  neg α-Galactosidase:  + β-Galactosidase:  neg α-Glucosidase:  + β-Glucosidase:  + β-Glucuronidase:  neg α-Mannosidase:  neg Chymotrypsin:  + Trypsin:  neg CystineAA:  neg LeuAA:  + ValAA:  neg AlkalineP:  + AcidP:  + Esterase(C4):  + EstLip(C8):  w Lipase(C14):  neg
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    ampicillin:  S(2)
    kanamycin:  R(200)
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    tetracycline:  S(2)
    chloramphenicol:  S(2)

    References

    SPECIFIC REFERENCES FOR SYMBIOBACTERIUM TOEBII
  • Scanlan2012 - Gut dysbiosis in cystic fibrosis
  • Rhee2002 - Characterization of Symbiobacterium toebii, an obligate commensal thermophile isolated from compost
  • Sung2003 - Symbiobacterium toebii sp. nov., commensal thermophile isolated from Korean compost
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    • Added: September 19, 2022