Lactobacillus psittaci

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

Overview

  • Lactobacillus psittaci is a Gram-positive, non-spore-forming, facultatively anaerobic, coccobacillus bacterium. Lactobacillus psittaci is likely to be transient and not a long-term gut coloniser. (Rossi2016; Lawson2001c)



  • This organism has been recovered from lungs of a dead hyacinth macaw. The risk classification (www.baua.de) for this organism is 1, i.e., low risk of infection and spread (notes: opportunistic in immunocompromised patients). Pathogenicity status unknown, or very unlikely to be pathogenic. Likely to be transient and not a long-term gut commensal.
    • GENERAL CHARACTERISTICS (Lawson2001c);
    Character Response
  • Substrates hydrolysed or digested:
  • aesculin;
  • 🧂
  • Salt tolerance:
  • tolerates 2% salt; doesn't tolerate 6% salt;
  • pH
  • Acidity tolerance:
  • Grows optimally at pH 5.5-7.5.
  • H+
  • Acid from carbohydrates usually produced:
  • glucose; raffinose; sucrose;
  • Active enzymes:
  • Ala-Phe-Pro arylamidase; alkaline phosphatase; acid phosphatase; cystine arylamidase; α-galactosidase; α-glucosidase; β-glucosidase; Leu arylamidase;
    • SPECIAL FEATURES
    Character Response
  • ✗
  • VP test:
  • not active
  • Haemolysis:
  • alpha

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Firmicutes Class:  Bacilli Order:  Lactobacillales Family:  Lactobacillaceae Genus:  Lactobacillus Gram stain:  + O2 Relation.:  facultatively anaerobic Spore:  No spore Morphology:  Coccobacillus
    Health:  Unknown
    Source:  lungs of a dead hyacinth macaw
    NaCl 0.5-2%:  2(+)
    NaCl >6%:  6(neg)
    Opt. pH:  5.5-7.5
    		Aesculin:  + Gelatin:  neg Hippurate:  neg
    CARBOHYDRATE ACID FORMATION
    Monosaccharide O/F Oligosaccharide O/F Polysaccharide O/F Polyol O/F Other O/F
    L-Arabinose:  neg Glucose:  + Ribose:  neg D-Tagatose:  neg Xylose:  neg Lactose:  neg Melezitose:  neg Melibiose:  neg Sucrose:  + Trehalose:  neg Glycogen:  neg D-Arabitol:  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:  + β-Galactosidase:  neg α-Glucosidase:  + β-Glucosidase:  + β-Glucuronidase:  neg ArgDH:  neg Chymotrypsin:  neg Trypsin:  neg AlaPheProAA:  + CystineAA:  + LeuAA:  + PyrrolidAA:  neg PyrogluAA:  neg ValAA:  w AlkalineP:  + AcidP:  + Esterase(C4):  neg EstLip(C8):  neg Lipase(C14):  neg

    References

    SPECIFIC REFERENCES FOR LACTOBACILLUS PSITTACI
  • Rossi2016 - Mining metagenomic whole genome sequences revealed subdominant but constant Lactobacillus population in the human gut microbiota.
  • Lawson2001c - Lactobacillus psittaci sp. nov., isolated from a hyacinth macaw (Anodorhynchus hyacinthinus).
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    • Added: May 06, 2022