Chryseobacterium indologenes

  • General information

    • the following information is not yet verified
      Family: Flavobacteriaceae
      Formerly Flavobacterium indologenes,
      Apathogen: C.ginsenosidimutans, C.hagamense, C.joostei, C.oranimense, C.scophthalmum

      Natural habitat
      They are ubiquitous in the environment, in food products, in an aqueous environment of a hospital, such as; the sink, incubators, water from the tap, hemodialysis systems and all kind of aqueous solutions.

      They are not a member of the normal human flora.

      Clinical significance
      Transmission through contaminated equipment or solutions.
      Origin is not always known.
      Almost never a clinical significance.

      Described as a cause of bacteremia in immunocompromised patients or hospital infection through contaminated instruments.

      No transmission from human to human

  • Gram stain

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

      0.5 x 1.0-3.0 µm,

      often with convex / rounded ends or else seen, thinner in the middle of the cell.

      Filamentous forms also occur.

  • Culture characteristics

    • the following information is not yet verified

      Obligate Aerobic

      Colonies are smooth, low convex and have a dark yellow pigment (flexirubine) within 3 days and a large β-hemolytic zone.

      Only C. indologenes is β-hemolytic.
      Colonies without pigment also occur

      McConkey growth, non lactose fermenter (66%)

      BBAØ no growth

  • Characteristics

  • References

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

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