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Propionibacterium acnes

  • General information

    • the following information is not yet verified
      Taxonomy
      Family: Propionibacteriacea

      Propionibacterium acnes group:
      - P. acnes
      - P. avidum
      - P. granulosum
      - P. lympophilum

      Natural habitats
      Probionibacterium species are predominant indigenous flora of the skin, but also can be recovered from the gastrointestinale tract, upper respiratory tract and the urogenitale tract.

      Because of their prescence on skin, Propionibacterium are often contanminants of specimens such as blood or other body fluids obtained through skin puncture.

      Clinical significance
      Found as secundary agents of infected sinuses, wounds, and abscesses.

  • Gram stain

    • the following information is not yet verified
      Pleomorphic, branched and un branched rods, coccoid forms, or bifid.

      Cells are often "club shaped" and occurs in sinly, in pairs or short chains, or in clumps.

      0.5-0.8 by 1.0-5.0 µm

      Can confused with some species of Corynebacterium or Clostridium.

  • Culture characteristics

    • the following information is not yet verified

      Anaerobic and aerotolerant

      Colonies appear convex, semi opaque, and glitening.

      Colonies have been seen pigmented in an array of colors from white to red.


  • Characteristics

  • References

    • James Versalovic et al.(2011) Manual of Clinical Microbiology 10th Edition

    • Hardy Diagnosics


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