Lactobacillus amylolyticus

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

Overview

  • Lactobacillus amylolyticus is a Gram-positive, non-spore-forming, microaerophilic, non-motile, rod-shaped bacterium. It has been detected in at least 5 gut microbiome compilation studies or metastudies. The DNA G+C content is 39%. Lactobacillus amylolyticus is likely to be transient and not a long-term gut coloniser. (Bohak1998; Rossi2016)



  • This organism has been recovered from malt-mash, malt 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. Likely to be transient and not a long-term gut commensal.
    • QUIRKS
  • High optimum growth temperature so unlikely to be a gut coloniser.
    • GENERAL CHARACTERISTICS (Bohak1998);
    Character Response
  • ±
  • Strain-dependent hydrolysis or digestion:
  • aesculin;
  • pH
  • Acidity tolerance:
  • Grows optimally at pH 5.0-5.5.
  • 🌡
  • Temperature tolerance:
  • doesn't grow at 20℃; grows at 52℃; Grows optimally at 45-48℃.
  • H+
  • Acid from carbohydrates usually produced:
  • fructose; galactose; glucose; mannose; maltose; sucrose;
  • ±
  • Strain-dependent acid from carbs:
  • amygdalin; melibiose; raffinose; salicin;
    • SPECIAL FEATURES (Bohak1998);
    Character Response
  • ✓
  • Metabolites produced:
  • lactate;
  • ✗
  • Metabolites not produced:
  • Hâ‚‚S;
  • ✗
  • NO3➔NO2:
  • not reduced

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Bacilli Order:  Lactobacillales Family:  Lactobacillaceae Genus:  Lactobacillus Gram stain:  + O2 Relation.:  microaerophilic Spore:  No spore Motility:  Sessile Morphology:  Rod
    Health:  Unknown
    Source:  malt-mash, malt and human faeces
    DNA G+C(%):  39
    Opt. T:  45-48℃
    Lower T(℃):  20(neg)
    High T(℃):  52(+)
    Opt. pH:  5.0-5.5
    		Aesculin:  d Urea:  neg Arginine:  neg
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    Arabinose:  neg Fructose:  + Galactose:  + Glucose:  + Mannose:  + D-Lyxose:  neg Rhamnose:  neg Ribose:  neg Xylose:  neg Cellubiose:  neg Lactose:  neg Maltose:  + Melezitose:  neg Melibiose:  d Sucrose:  + Trehalose:  neg Amygdalin:  d Mannitol:  neg Sorbitol:  neg Salicin:  d
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Catalase:  neg Urease:  neg ArgDC:  neg
    METABOLITES - PRODUCTION & USE
    Fuel Usable Metabolites Metabolites Released Special Products Compounds Produced

    		Lactate:  + H2S:  neg

    References

    SPECIFIC REFERENCES FOR LACTOBACILLUS AMYLOLYTICUS
  • Bohak1998 - Lactobacillus amylolyticus sp. nov., isolated from beer malt and beer wort.
  • Rossi2016 - Mining metagenomic whole genome sequences revealed subdominant but constant Lactobacillus population in the human gut microbiota.
  • ...............................
    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR LACTOBACILLUS AMYLOLYTICUS
  • Byrd2020 - Stability and dynamics of the human gut microbiome and its association with systemic immune traits.
  • Dubinkina2017 - Links of gut microbiota composition with alcohol dependence syndrome and alcoholic liver disease
  • Forster2019 - A human gut bacterial genome and culture collection for improved metagenomic analyses.
  • Lagier2016 - Culture of previously uncultured members of the human gut microbiota by culturomics.
  • Tyakht2013 - Human gut microbiota community structures in urban and rural populations in Russia.
  • ...............................
    • Added: December 15, 2021