Oribacterium parvum

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

Overview

  • Oribacterium parvum is a Gram-variable, non-spore-forming, strictly anaerobic, motile, oval-shaped bacterium. The DNA G+C content is 42.0-42.1%. Oribacterium parvum is probably a rare gut coloniser.



  • This organism has been recovered from subgingival plaque. It is an opportunistic pathogen. A possible gut commensal.
    • GENERAL CHARACTERISTICS
    Character Response
  • 🌡
  • Temperature tolerance:
  • grows at 30℃; grows at 42℃; Grows optimally at 37℃.
  • H+
  • Acid from carbohydrates usually produced:
  • glucose; lactose; maltose;
  • ⥅
  • Substrates assimilated or utilised:
  • glucose; lactose; maltose; raffinose;
  • ±
  • Strain-dependent substrate utilisation:
  • sucrose;
    • SPECIAL FEATURES
    Character Response
  • ✓
  • Metabolites produced:
  • acetate; lactate;
  • ✗
  • Metabolites not produced:
  • indole;
  • ✗
  • Haemolysis:
  • absent
  • ✗
  • Nitrate:
  • not reduced
    • RESPONSE TO ANTIBIOTICS
    Class Active Resistant
  • Penicillins:
  • penicillin;
  • Aminoglycosides:
  • kanamycin;
  • Polypep/ketides:
  • rifampicin;
  • Heterocycles:
  • metronidazole;
  • Vancomycins:
  • vancomycin;
  • Miscellaneous antibiotics:
  • bile;
  • colistin;

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Clostridia Order:  Eubacteriales Family:  Lachnospiraceae Genus:  Oribacterium Gram stain:  vr O2 Relation.:  strictly anaerobic Spore:  No spore Motility:  Swimming Morphology:  Oval-shaped
    Health:  Unknown
    Source:  subgingival plaque
    DNA G+C(%):  42.0-42.1
    Opt. T:  37℃
    Lower T(℃):  30(+)
    High T(℃):  42(+)
    		Aesculin:  neg Gelatin:  neg
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    Arabinose:  neg Glucose:  + Mannose:  neg Xylose:  neg Cellubiose:  neg Lactose:  + Maltose:  + Trehalose:  neg Starch:  neg Glycerol:  neg Mannitol:  neg Sorbitol:  neg Salicin:  neg
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    Glucose:  + Lactose:  + Maltose:  + Raffinose:  + Sucrose:  d
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  neg Catalase:  neg Urease:  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		Acetate:  + Lactate:  + Indole:  neg
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    penicillin:  Sens
    kanamycin:  Sens
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    vancomycin:  Sens
    rifampicin:  Sens
    metronidazole:  Sens
    colistin:  Res
    Bile:  Sens

    References

    SPECIFIC REFERENCES FOR ORIBACTERIUM PARVUM
  • Sizova2014 - Oribacterium parvum sp. nov. and Oribacterium asaccharolyticum sp. nov., obligately anaerobic bacteria from the human oral cavity, and emended description of the genus Oribacterium.
  • Pu2020 - Microbiota profile is different for early and invasive colorectal cancer and is consistent throughout the colon
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    • Added: October 05, 2022