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Bacillus circulans

  • General information

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

      Natural habitats
      Spores are numerous in soil.

      Clinical significance
      Usually considered nonpathogenic for humans but may cause wound infections, bacteremia, septicaemia, abscesses and rarely meningitis.

  • Gram stain

    • the following information is not yet verified
      Gram positive,(variable) rods with spores

      0.5-0.8 x 2.0-4.2 µm

      Spore shape: ellipsoidal
      Spore position: subterminal, terminal
      Sporangia swelling: positive

  • Culture characteristics

    • the following information is not yet verified

      Facultative anaerobic

      Colonies are large, white gray, smooth and on the edge a translucent surface.

      The edges are irregular and the colonies can be ß-hemolytic.

      13 % of the strains have migrant micro colonies and spreads actively.

      They typically have a rhizoid colony.

      BBAØ growth

  • Characteristics

  • References

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


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