Alistipes montrealensis

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

Overview

  • Alistipes montrealensis is a Gram-negative, non-spore-forming, strictly anaerobic, non-motile, rod-shaped bacterium. The DNA G+C content is 57.2%. Alistipes montrealensis is probably a rare gut coloniser. (Routy2022)



  • This organism has been recovered from human faeces (colitis/cancer patient). Pathogenicity status unknown, or very unlikely to be pathogenic. A possible gut commensal. Robust growth can have unknown consequences for gut health.
    • GENERAL CHARACTERISTICS (Routy2022);
    Character Response
  • Substrates hydrolysed or digested:
  • aesculin;
  • 🧂
  • Salt tolerance:
  • tolerates 0-4.9% salt;
  • 💧
  • Bile tolerance:
  • None
  • pH
  • Acidity tolerance:
  • tolerates pH 6.0-7.5;
  • 🌡
  • Temperature tolerance:
  • grows at 28℃; Grows optimally at 37℃.
  • H+
  • Acid from carbohydrates usually produced:
  • glucose; mannose; rhamnose; cellubiose; lactose; raffinose; glycerol;
  • Active enzymes:
  • Ala arylamidase; alkaline phosphatase; acid phosphatase; N-Ac β-glucosaminidase; catalase; esterase C4; esterase lipase C8; α-galactosidase; β-galactosidase; β-glucosidase; glutamic acid decarboxylase; Glu-Glu arylamidase; Gly arylamidase; Leu-Gly arylamidase; Phe arylamidase; Pro arylamidase; Tyr arylamidase; naphthol-ASBI-P;
    • SPECIAL FEATURES (Routy2022);
    Character Response
  • ✓
  • Metabolites produced:
  • ethanol; CO₂; H₂; indole;
  • ✗
  • NO3➔NO2:
  • not reduced
    • RESPONSE TO ANTIBIOTICS (Routy2022);
    Class Active Resistant
  • Aminoglycosides:
  • kanamycin;
  • Heterocycles:
  • metronidazole;
  • Vancomycins:
  • vancomycin;
  • Miscellaneous antibiotics:
  • colistin;

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Bacteroidetes Class:  Bacteroidia Order:  Bacteroidales Family:  Rikenellaceae Genus:  Alistipes Gram stain:  neg O2 Relation.:  strictly anaerobic Spore:  No spore Motility:  Sessile Morphology:  Rod
    Health:  Unknown
    Source:  human faeces (colitis/cancer patient)
    DNA G+C(%):  57.2
    Opt. T:  37℃
    Lower T(℃):  28(+)
    NaCl 0.5-2%:  0-4.9(+)
    pH 6.0-8.0:  6.0-7.5(+)
    Bile reaction(%):  R
    		Aesculin:  + Gelatin:  neg
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    Glucose:  + Mannose:  + Rhamnose:  + Cellubiose:  + Lactose:  + Glycerol:  + Mannitol:  neg
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  neg Catalase:  + Urease:  neg Ac-β-glcamnd:  + α-Galactosidase:  + β-Galactosidase:  + β-Glucosidase:  + GluDC:  + AlanineAA:  + GluGluAA:  + GlyAA:  + LeuGlyAA:  + ProAA:  + PheAA:  + TyrAA:  + AlkalineP:  + AcidP:  + Esterase(C4):  + EstLip(C8):  +
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		Ethanol:  + CO2:  + H2:  + Indole:  +
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    kanamycin:  Res
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    vancomycin:  Res
    metronidazole:  Sens
    colistin:  Res

    References

    SPECIFIC REFERENCES FOR ALISTIPES MONTREALENSIS
  • Routy2022 - Characterization of Alistipes montrealensis sp. nov., Isolated from Human Feces of a Patient with Metastatic Melanoma Treated with Immune Checkpoint Inhibitors.
  • ...............................
    • Added: February 23, 2023