Mediterraneibacter massiliensis

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

Overview

  • Mediterraneibacter massiliensis is a Gram-positive, non-spore-forming, anaerobic, non-motile, coccobacillus bacterium. The DNA G+C content is 42.4%. Mediterraneibacter massiliensis is probably a rare gut coloniser. (Togo2018)



  • This organism has been recovered from human faeces (Togo2018a). Pathogenicity status unknown, or very unlikely to be pathogenic. A possible gut commensal.
    • GENERAL CHARACTERISTICS (Togo2018);
    Character Response
  • 🧂
  • Salt tolerance:
  • tolerates 1% salt; tolerates 6-10% salt;
  • pH
  • Acidity tolerance:
  • tolerates pH 6.5; tolerates pH 8.5; Grows optimally at pH 7.2.
  • 🌡
  • Temperature tolerance:
  • grows at 28℃; grows at 45℃; Grows optimally at 37℃.
  • H+
  • Acid from carbohydrates usually produced:
  • D-arabinose; L-arabinose; fructose; galactose; glucose; mannose; sorbose; xylose; L-xylose; aesculin; cellubiose; gentiobiose; lactose; maltose; melibiose; sucrose; trehalose; dulcitol; inositol; mannitol; xylitol; arbutin; 2-ketogluconate; α-methyl glucoside; salicin;
  • Active enzymes:
  • catalase; chymotrypsin; β-glucuronidase; trypsin;
    • SPECIAL FEATURES (Togo2018);
    Character Response
  • ✗
  • Haemolysis:
  • absent
    • RESPONSE TO ANTIBIOTICS
    Class Active Resistant
  • Penicillins:
  • amoxicillin; benzylpenicillin; imipenem;
  • Cephalosporins:
  • cefotaxime;
  • Macrolides:
  • erythromycin;
  • Tetracyclines:
  • minocycline;
  • Aminoglycosides:
  • amikacin;
  • Polypep/ketides:
  • rifampicin;
  • Heterocycles:
  • metronidazole;
  • Vancomycins:
  • vancomycin; teicoplanin;
  • Miscellaneous antibiotics:
  • daptomycin;

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Clostridia Order:  Eubacteriales Family:  Clostridiaceae Genus:  Mediterraneibacter Gram stain:  + O2 Relation.:  anaerobic Spore:  No spore Motility:  Sessile Morphology:  Coccobacillus
    Health:  Unknown
    Source:  human faeces (Togo2018a)
    DNA G+C(%):  42.4
    Opt. T:  37℃
    Lower T(℃):  28(+)
    High T(℃):  45(+)
    NaCl 0.5-2%:  1(+)
    NaCl >6%:  6-10(+)
    Opt. pH:  7.2
    pH 6.0-8.0:  6.5(+)
    pH >8:  8.5(+)
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    D-Arabinose:  + L-Arabinose:  + Fructose:  + Fucose:  neg D-Fucose:  neg Galactose:  + Glucose:  + Mannose:  + Rhamnose:  neg Ribose:  neg Sorbose:  + D-Tagatose:  neg Xylose:  + L-Xylose:  + Cellubiose:  + Gentiobiose:  + Lactose:  + Maltose:  + Melezitose:  neg Melibiose:  + Sucrose:  + Trehalose:  + Turanose:  neg Amygdalin:  neg Aesculin:  + Glycogen:  neg Inulin:  neg Starch:  neg Adonitol:  neg D-Arabitol:  neg L-Arabitol:  neg Dulcitol:  + Erythritol:  neg Glycerol:  neg Inositol:  + Mannitol:  + Sorbitol:  neg Xylitol:  + Arbutin:  + Gluconate:  neg 2-Ketogluconate:  + 5-Ketogluconate:  neg Me-α-D-Glc:  + Me-α-D-Mann:  neg Me-Xyloside:  neg NAc-α-GA:  neg Salicin:  +
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  neg Catalase:  + Ac-β-glcamnd:  neg α-Fucosidase:  neg α-Galactosidase:  neg β-Galactosidase:  neg α-Glucosidase:  neg β-Glucosidase:  neg β-Glucuronidase:  + α-Mannosidase:  neg Chymotrypsin:  + Trypsin:  + CystineAA:  neg LeuAA:  neg ValAA:  neg AlkalineP:  neg AcidP:  neg Esterase(C4):  neg EstLip(C8):  neg Lipase(C14):  neg
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    amoxicillin:  S(0.094)
    benzyl-pen:  S(0.094)
    imipenem:  S(0.047)
    cefotaxime:  S(2)
    amikacin:  R(>256)
    erythromycin:  S(0.025)
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    minocycline:  S(0.013)
    teicoplanin:  S(0.016)
    vancomycin:  S(2)
    rifampicin:  S(0.002)
    metronidazole:  S(0.19)
    daptomycin:  S(1)

    References

    SPECIFIC REFERENCES FOR MEDITERRANEIBACTER MASSILIENSIS
  • Togo2018 - Description of Mediterraneibacter massiliensis, gen. nov., sp. nov., a new genus isolated from the gut microbiota of an obese patient and reclassification of Ruminococcus faecis, Ruminococcus lactaris, Ruminococcus torques, Ruminococcus gnavus and Clostridium glycyrrhizinilyticum as Mediterraneibacter faecis comb. nov., Mediterraneibacter lactaris comb. nov., Mediterraneibacter torques comb. nov., Mediterraneibacter gnavus comb. nov. and Mediterraneibacter glycyrrhizinilyticus comb. nov.
  • ...............................
    • GENERAL REFERENCES FOR MEDITERRANEIBACTER MASSILIENSIS
  • Ludwig2009 - Revised road map to the phylum Firmicutes.
    • Added: September 17, 2021