Listeria floridensis

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

Overview

  • Listeria floridensis 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 41.8%. Listeria floridensis is probably a rare gut coloniser. (denBakker2014)



  • This organism has been recovered from running water from the USA. Pathogenicity status unknown, or very unlikely to be pathogenic. A possible gut commensal.
    • GENERAL CHARACTERISTICS (denBakker2014);
    Character Response
  • Substrates hydrolysed or digested:
  • aesculin;
  • 🌡
  • Temperature tolerance:
  • doesn't grow at 7℃; Grows optimally at 37-41℃.
  • H+
  • Acid from carbohydrates usually produced:
  • L-arabinose; fructose; galactose; glucose; mannose; rhamnose; xylose; amygdalin; aesculin; cellubiose; lactose; maltose; arbutin; α-methyl glucoside; N-Ac glucosamine; salicin;
  • ±
  • Strain-dependent acid from carbs:
  • D-arabitol;
  • Active enzymes:
  • catalase; β-mannosidase;
    • SPECIAL FEATURES
    Character Response
  • ✗
  • VP test:
  • not active
  • ✗
  • Haemolysis:
  • absent
  • ✗
  • Nitrite:
  • not reduced
  • ✗
  • NO3➔NO2:
  • not reduced

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Bacilli Order:  Bacillales Family:  Listeriaceae Genus:  Listeria Gram stain:  + O2 Relation.:  facultatively anaerobic Spore:  No spore Motility:  Sessile Morphology:  Rod
    Health:  Unknown
    Source:  running water from the USA
    DNA G+C(%):  41.8
    Opt. T:  37-41℃
    Low T(℃):  7(neg)
    		Aesculin:  +
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    D-Arabinose:  neg L-Arabinose:  + Fructose:  + Fucose:  neg Galactose:  + Glucose:  + Mannose:  + D-Lyxose:  neg Rhamnose:  + Ribose:  neg Sorbose:  neg D-Tagatose:  neg Xylose:  + Cellubiose:  + Lactose:  + Maltose:  + Melezitose:  neg Melibiose:  neg Sucrose:  neg Turanose:  neg Amygdalin:  + Aesculin:  + Glycogen:  neg Inulin:  neg Adonitol:  neg D-Arabitol:  d Glycerol:  neg Inositol:  neg Mannitol:  neg Arbutin:  + Gluconate:  neg 2-Ketogluconate:  neg 5-Ketogluconate:  neg Me-α-D-Glc:  + Me-α-D-Mann:  neg Me-Xyloside:  neg 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
    ENZYME ACTIVITY
    Enzymes: General Enzymes: Carbohydrate Enzymes: Protein Enzymes: Arylamidases Enzymes: Esters/fats
    Catalase:  + α-Mannosidase:  neg β-Mannosidase:  +

    References

    SPECIFIC REFERENCES FOR LISTERIA FLORIDENSIS
  • denBakker2014 - Listeria floridensis sp. nov., Listeria aquatica sp. nov., Listeria cornellensis sp. nov., Listeria riparia sp. nov. and Listeria grandensis sp. nov., from agricultural and natural environments.
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    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR LISTERIA FLORIDENSIS
  • De2020 - Metagenomic analysis of gut microbiome and resistome of diarrheal fecal samples from Kolkata, India, reveals the core and variable microbiota including signatures of microbial dark matter.
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    • Added: January 19, 2022