Limosilactobacillus gastricus

(aka Lactobacillus gastricus)

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

Overview

  • Limosilactobacillus gastricus, (aka Lactobacillus gastricus), is a Gram-positive, non-spore-forming, facultatively anaerobic, non-motile, rod-shaped bacterium. It has been detected in at least 4 gut microbiome compilation studies or metastudies. The DNA G+C content is 41.3%. Limosilactobacillus gastricus is likely to be transient and not a long-term gut coloniser. (Hammes2011fBergey; Rossi2016; Roos2005)



  • This organism has been recovered from human faeces, and human gastric mucosa. 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. Likely to be transient and not a long-term gut commensal. Robust growth can have positive consequences for gut health.
    • QUIRKS
  • Found in human breast milk (Jeurink2013).
    • GENERAL CHARACTERISTICS (Hammes2011fBergey); (Roos2005);
    Character Response
  • 🌡
  • Temperature tolerance:
  • grows at 25℃; grows at 37℃; doesn't grow at 45℃;
  • H+
  • Acid from carbohydrates usually produced:
  • fructose; galactose; glucose; mannose; amygdalin; cellubiose; gentiobiose; lactose; maltose; melibiose; raffinose; sucrose; trehalose; D-turanose; arbutin; gluconate; α-methyl glucoside; salicin;
  • ±
  • Strain-dependent acid from carbs:
  • L-arabinose; ribose; N-Ac glucosamine;
  • ⥅
  • Substrates assimilated or utilised:
  • melibiose;
  • Active enzymes:
  • α-galactosidase; β-galactosidase; β-glucosidase;
    • SPECIAL FEATURES (Hammes2011fBergey); (Roos2005);
    Character Response
  • ✗
  • Metabolites not produced:
  • H₂S; indole;
  • ✗
  • VP test:
  • not active

  • Roos, S., Engstrand, L., & Jonsson, H. (2005). Lactobacillus gastricus sp. nov., Lactobacillus antri sp. nov., Lactobacillus kalixensis sp. nov. and Lactobacillus ultunensis sp. nov., isolated from human stomach mucosa. International Journal of Systematic and Evolutionary Microbiology, 55(Pt 1), 77–82.

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Bacilli Order:  Lactobacillales Family:  Lactobacillaceae Genus:  Limosilactobacillus Alt. name:  Lactobacillus gastricus Gram stain:  + O2 Relation.:  facultatively anaerobic Spore:  No spore Motility:  Sessile Morphology:  Rod
    Health:   Positive
    Source:  human faeces, and human gastric mucosa
    DNA G+C(%):  41.3
    Lower T(℃):  25(+)
    Mid T(℃):  37(+)
    High T(℃):  45(neg)
    		Aesculin:  vr Urea:  neg Gelatin:  neg Casein:  neg Hippurate:  neg
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    Arabinose:  neg D-Arabinose:  neg L-Arabinose:  d Fructose:  + Fucose:  neg D-Fucose:  neg Galactose:  + Glucose:  + Mannose:  + D-Lyxose:  neg Rhamnose:  neg Ribose:  d Sorbose:  neg D-Tagatose:  neg Xylose:  neg L-Xylose:  neg Cellubiose:  + Gentiobiose:  + Lactose:  + Maltose:  + Melezitose:  neg Melibiose:  + Sucrose:  + Trehalose:  + Turanose:  + Amygdalin:  + Dextrin:  neg Glycogen:  neg Inulin:  neg Starch:  neg Adonitol:  neg D-Arabitol:  neg L-Arabitol:  neg Dulcitol:  neg Erythritol:  neg Glycerol:  neg Inositol:  neg Mannitol:  neg Sorbitol:  neg Xylitol:  neg Arbutin:  + Gluconate:  + 2-Ketogluconate:  neg 5-Ketogluconate:  neg Me-α-D-Glc:  + Me-α-D-Mann:  neg Me-Xyloside:  neg NAc-α-GA:  d Salicin:  +
    SUBSTRATE ASSIMILATION & UTILISATION
    Monosaccharide util/assim Oligosaccharide util/assim Other carboh. util/assim Amino acid util/assim Organic acid util/assim
    Melibiose:  +
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Urease:  neg Ac-β-glcamnd:  neg α-Galactosidase:  + β-Galactosidase:  + β-Glucosidase:  + β-Glucuronidase:  neg β-Mannosidase:  neg ArgDH:  neg AlaPheProAA:  neg PyrrolidAA:  neg AlkalineP:  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		H2S:  neg Indole:  neg

    References

    SPECIFIC REFERENCES FOR LIMOSILACTOBACILLUS GASTRICUS
  • Zheng2020 - A taxonomic note on the genus Lactobacillus: Description of 23 novel genera, emended description of the genus Lactobacillus Beijerinck 1901, and union of Lactobacillaceae and Leuconostocaceae.
  • Hammes2011fBergey - Bergey's manual of systematic bacteriology. Vol. 3, The Firmicutes. Family Lactobacillaceae, Genus I. Limosilactobacillus
  • Rossi2016 - Mining metagenomic whole genome sequences revealed subdominant but constant Lactobacillus population in the human gut microbiota.
  • Roos2005 - Lactobacillus gastricus sp. nov., Lactobacillus antri sp. nov., Lactobacillus kalixensis sp. nov. and Lactobacillus ultunensis sp. nov., isolated from human stomach mucosa.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR LIMOSILACTOBACILLUS GASTRICUS
  • Byrd2020 - Stability and dynamics of the human gut microbiome and its association with systemic immune traits.
  • Lagier2016 - Culture of previously uncultured members of the human gut microbiota by culturomics.
  • RajilicStojanovic2014 - The first 1000 cultured species of the human gastrointestinal microbiota.
  • ...............................
    • GENERAL REFERENCES FOR LIMOSILACTOBACILLUS GASTRICUS
  • Ludwig2009 - Revised road map to the phylum Firmicutes.
    • Added: April 08, 2021