Arachnia propionica

(aka Propionibacterium propionicum)

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

Overview

  • Arachnia propionica, (aka Propionibacterium propionicum), is a Gram-positive, non-spore-forming, anaerobic, rod-shaped bacterium. It has been detected in at least 4 gut microbiome compilation studies or metastudies. Arachnia propionica is probably a rare gut coloniser. (Charfreitag1988)



  • This organism has been recovered from human faeces and clinical specimens (abscess, lachrymal duct, IUD device - CCUG). The risk classification (www.baua.de) for this organism is 2, i.e., risk of individual infection, but low risk of spread. Can cause opportunistic infections, particularly in immunocompromised people. A possible gut commensal.
    • GENERAL CHARACTERISTICS
    Character Response
    RESPONSE TO ANTIBIOTICS
    Class Active Resistant
  • Penicillins:
  • penicillin; penicillin G;
  • Cephalosporins:
  • cephalothin;
  • Tetracyclines:
  • tetracycline;
  • Heterocycles:
  • chloramphenicol;

  • Ramotar, K., Conly, J. M., Chubb, H., & Louie, T. J. (1984). Production of menaquinones by intestinal anaerobes. The Journal of Infectious Diseases, 150(2), 213–218.

    • Details

    GENERAL
    Lineage Physiology General Growth Tolerances Hydrol./digest./degr.
    Phylum:  Actinobacteria Class:  Actinomycetia Order:  Propionibacteriales Family:  Propionibacteriaceae Genus:  Arachnia Alt. name:  Propionibacterium propionicum Gram stain:  + O2 Relation.:  anaerobic Spore:  No spore Morphology:  Rod
    Health:  Unknown
    Source:  human faeces and clinical specimens (abscess, lachrymal duct, IUD device - CCUG)
    ANTIBIOTICS ℞
    Penicillins & Penems (μg/mL) Cephalosporins (μg/mL) Aminoglycosides (μg/mL) Macrolides (μg/mL) Quinolones (μg/mL)
    penicillin:  Sens
    penicillin_G:  S(0.25)
    cephalothin:  Sens
    Tetracyclines (μg/mL) Vancomycin Class (μg/mL) Polypep/ketides (μg/mL) Heterocycles (μg/mL) Other (μg/mL)
    tetracycline:  Sens
    chloramphenicol:  Sens

    References

    SPECIFIC REFERENCES FOR ARACHNIA PROPIONICA
  • Charfreitag1988 - Reclassification of Arachnia propionica as Propionibacterium propionicus comb. nov.
  • Ramotar1984 - Production of menaquinones by intestinal anaerobes.
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    • GUT MICROBIOME COMPILATIONS AND METASTUDIES FOR ARACHNIA PROPIONICA
  • Lagier2016 - Culture of previously uncultured members of the human gut microbiota by culturomics.
  • New2022 - Collective effects of human genomic variation on microbiome function.
  • RajilicStojanovic2014 - The first 1000 cultured species of the human gastrointestinal microbiota.
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    • Added: April 08, 2021