Actinobaculum massiliense

(aka Actinobaculum massiliae)

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

Overview

  • Actinobaculum massiliense, (aka Actinobaculum massiliae), is a Gram-positive, non-spore-forming, facultatively anaerobic, non-motile, rod-shaped bacterium. It has been detected in at least 1 gut microbiome compilation study or metastudy. The DNA G+C content is 55%. Actinobaculum massiliense is probably a common, although minor, coloniser of the gut. (Greub2002; Yassin2015)



  • This organism has been recovered from clinical sources (urine). The risk classification (www.baua.de) for this organism is 2, i.e., risk of individual infection, but low risk of spread. It is an opportunistic pathogen. A possible gut commensal.
    • QUIRKS
  • Original strain developed resistance to many UTI antibiotics due to misdiagnosis. In 10% of Europeans (unseenbio.com). Minor coloniser.
    • GENERAL CHARACTERISTICS (Greub2002); (Yassin2015);
    Character Response
  • Substrates hydrolysed or digested:
  • hippurate;
  • 🌡
  • Temperature tolerance:
  • grows at 35℃;
  • H+
  • Acid from carbohydrates usually produced:
  • glucose; ribose; xylose; maltose; trehalose;
  • Active enzymes:
  • α-glucosidase;
    • SPECIAL FEATURES
    Character Response
  • ✗
  • VP test:
  • not active
  • ✗
  • Haemolysis:
  • absent
  • ✗
  • Nitrate:
  • not reduced

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Actinobacteria Class:  Actinomycetia Order:  Actinomycetales Family:  Actinomycetaceae Genus:  Actinobaculum Alt. name:  Actinobaculum massiliae Gram stain:  + O2 Relation.:  facultatively anaerobic Spore:  No spore Motility:  Sessile Morphology:  Rod
    Health:  Unknown
    Source:  clinical sources (urine)
    DNA G+C(%):  55
    Mid T(℃):  35(+)
    		Aesculin:  neg Urea:  neg Gelatin:  neg Hippurate:  +
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    Glucose:  + Mannose:  neg Ribose:  + Xylose:  + Lactose:  neg Maltose:  + Trehalose:  + Inulin:  neg Starch:  neg Mannitol:  neg Sorbitol:  neg
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  neg Catalase:  neg Urease:  neg Ac-β-glcamnd:  neg α-Fucosidase:  neg α-Galactosidase:  neg β-Galactosidase:  neg α-Glucosidase:  + β-Glucuronidase:  neg ArgDH:  neg Chymotrypsin:  neg Trypsin:  neg CystineAA:  neg LeuAA:  neg PyrrolidAA:  neg ValAA:  neg AlkalineP:  neg Esterase(C4):  neg Lipase(C14):  neg

    References

    SPECIFIC REFERENCES FOR ACTINOBACULUM MASSILIENSE
  • Greub2002 - "Actinobaculum massiliae," a new species causing chronic urinary tract infection.
  • Yassin2015 - Dissection of the genus Actinobaculum: Reclassification of Actinobaculum schaalii Lawson et al. 1997 and Actinobaculum urinale Hall et al. 2003 as Actinotignum schaalii gen. nov., comb. nov. and Actinotignum urinale comb. nov., description of Actinotignum sanguinis sp. nov. and emended descriptions of the genus Actinobaculum and Actinobaculum suis; and re-examination of the culture deposited as Actinobaculum massiliense CCUG 47753T ( = DSM 19118T), revealing that it does not represent a strain of this species.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR ACTINOBACULUM MASSILIENSE
  • Lagier2016 - Culture of previously uncultured members of the human gut microbiota by culturomics.
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    • Added: January 14, 2022