Exiguobacterium undae

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

Overview

  • Exiguobacterium undae is a Gram-positive, non-spore-forming, facultatively anaerobic, motile, bacterium. It has been detected in at least 1 gut microbiome compilation study or metastudy. Exiguobacterium undae is probably a rare gut coloniser. (Rodrigues2006; Fruhling2002)



  • This organism has been recovered from pond water and human faeces. The risk classification (www.baua.de) for this organism is 1, i.e., low risk of infection and spread. Pathogenicity status unknown, or very unlikely to be pathogenic. A possible gut commensal.
    • GENERAL CHARACTERISTICS (Rodrigues2006); (Fruhling2002);
    Character Response
  • Substrates hydrolysed or digested:
  • casein; DNA; gelatin; starch;
  • 🌡
  • Temperature tolerance:
  • grows at 20℃; grows at 41℃; Grows optimally at 37℃.
  • H+
  • Acid from carbohydrates usually produced:
  • fructose; galactose; glucose; mannose; ribose; aesculin; glycogen; starch; gentiobiose; maltose; melibiose; sucrose; trehalose; glycerol; mannitol; N-Ac glucosamine; salicin;
  • ±
  • Strain-dependent acid from carbs:
  • amygdalin; cellubiose; raffinose; arbutin; α-methyl glucoside;
  • ⥅
  • Substrates assimilated or utilised:
  • N-acetylglucosamine; amygdalin; arbutin; cellubiose; dextrin; fructose; gentiobiose; glucose; glycerol; glycogen; maltose; maltotriose; mannitol; mannose; ribose; raffinose; sucrose; trehalose; acetate; pyruvate; methyl-β-glucoside; psicose; palatinose; α-ketovalerate; adenosine; thymidine; uridine; inosine;
  • Active enzymes:
  • alkaline phosphatase; catalase; β-galactosidase; α-glucosidase; oxidase;
    • SPECIAL FEATURES
    Character Response
  • ✗
  • Nitrate:
  • not reduced
  • Pigments:
  • orange

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Bacilli Order:  Caryophanales Family:  Family XI Incertae Sedis Genus:  Exiguobacterium Gram stain:  + O2 Relation.:  facultatively anaerobic Spore:  No spore Motility:  Swimming Pigment:  orange
    Health:  Unknown
    Source:  pond water and human faeces
    Opt. T:  37℃
    Lower T(℃):  20(+)
    High T(℃):  41(+)
    		Urea:  neg Gelatin:  + Starch:  + Casein:  + DNA:  + Tween:  40(neg) 80(neg)
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    D-Arabinose:  neg L-Arabinose:  neg Fructose:  + D-Fucose:  neg Galactose:  + Glucose:  + Mannose:  + D-Lyxose:  neg Rhamnose:  neg Ribose:  + Sorbose:  neg D-Tagatose:  neg Xylose:  neg L-Xylose:  neg Cellubiose:  d Gentiobiose:  + Lactose:  neg Maltose:  + Melezitose:  neg Melibiose:  + Sucrose:  + Trehalose:  + Turanose:  neg Amygdalin:  d Aesculin:  + Glycogen:  + Starch:  + Adonitol:  neg D-Arabitol:  neg L-Arabitol:  neg Dulcitol:  neg Erythritol:  neg Glycerol:  + Inositol:  neg Mannitol:  + Sorbitol:  neg Xylitol:  neg Arbutin:  d Gluconate:  neg 2-Ketogluconate:  neg 5-Ketogluconate:  neg Me-α-D-Glc:  d NAc-α-GA:  + Salicin:  +
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    L-Arabinose:  neg Fructose:  + Fucose:  neg Glucose:  + Mannose:  + Rhamnose:  neg Ribose:  + D-Tagatose:  neg Xylose:  neg Cellubiose:  + Gentiobiose:  + Lactose:  neg Maltose:  + Maltotriose:  + Melezitose:  neg Melibiose:  neg Raffinose:  + Sucrose:  + D-Turanose:  neg Trehalose:  + N_Acetyl_glucosamine:  + Amygdalin:  + D-Arabitol:  neg Arbutin:  + Dextrin:  + Gluconate:  neg Glycerol:  + Glycogen:  + Inositol:  neg Inulin:  neg Mannitol:  + Me-α-D-Glc:  neg Salicin:  neg Sorbitol:  neg Xylitol:  neg Ala:  w D-Ala:  neg Glu:  neg Ser:  neg Acetate:  + 3-Hydroxybutyrate:  neg Lactate:  neg L-Malate:  neg Propionate:  neg Pyruvate:  + Succinate:  neg
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Oxidase:  + Catalase:  + Urease:  neg β-Galactosidase:  + α-Glucosidase:  + β-Glucosidase:  neg AlkalineP:  + AcidP:  neg EstLip(C8):  neg Lecithinase:  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		Pigment:  orange

    References

    SPECIFIC REFERENCES FOR EXIGUOBACTERIUM UNDAE
  • Rodrigues2006 - Characterization of Exiguobacterium isolates from the Siberian permafrost. Description of sp. nov.
  • Fruhling2002 - Exiguobacterium undae sp. nov. and Exiguobacterium antarcticum sp. nov.
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    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR EXIGUOBACTERIUM UNDAE
  • Forster2019 - A human gut bacterial genome and culture collection for improved metagenomic analyses.
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    • Added: December 15, 2021