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Tsukamurella species

  • General information

    • the following information is not yet verified
      Tsukamurella species are frequently misidentified as Rhodococcus or Corynebacterium species.

      Taxonomy
      Family: Tsukamurellaceae

      Natural habitats
      They have been found in soil, sludge, and arthropods.

      Clinical significance
      Are rarely found in humans.

      Can cause opportunistic infections in humans.

      Known infections are from the skin, peritonitis and catheter-related sepsis.

  • Gram stain

    • the following information is not yet verified
      Gram positive rods,

      0.5-0.8 x 1.0-5 µm,

      straight to slide curved long rods, occur singly, in pairs, or in groups, very short rods may be seen (resembling difteroids),

      no apparent branching.

      Are often variable colored and granulated.

      Mistake with Corynebacterium is possible.

      modified Kinyoun
      weakly / partially acid fast, sometimes strong positive

  • Culture characteristics

    • the following information is not yet verified

      Obligate aerobic

      Colonies are white, creamy to orange, small with convex elevation and may have rhizoid edges.

      Colonies can be smooth or rough (mostly after prolonged incubation)

      Aerial hyphae negative

      McConkey growth

      BBAØ no growth

  • Characteristics

  • References


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