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Bacillus pumilus

  • General information

    • the following information is not yet verified
      B.licheniformis, B.subtilis and B.pumilus comprise the subtilis group, which has been associated with food borne gastro-enteritis

      Taxonomy
      Family: Bacillaceae

      Natural habitats
      Spores occur in soil, on bird feathers, may survive severe heat treatment

      Clinical significance
      Considered non pathogenic, but may occasionally be an opportunistic pathogen.

  • Gram stain

    • the following information is not yet verified
      Gram positive, or Gram variable

      0.6-0.7 x 2.0-3.0 µm

      Spore shape: ellipsoidal / cylindrical
      Spore position: central, paracentral or subterminal
      Sporangia swelling: negative

  • Culture characteristics

    • the following information is not yet verified

      Obligate aerobic

      Colonial morphology is variable.

      Colonies maybe wrinkled and irregular and they are unpigmented and most are opaque or smooth and become yellowish-brown and hemolysis is variable

      BBAØ no growth

  • Characteristics

  • References

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


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