Kingella kingae

  • General information

    • the following information is not yet verified
      Family: Neisseriaceae
      K. kingae
      K. denitrificans
      K. oralis

      Natural habitats
      They colonizes the throat but not the nasopharynx of many children ged 6month to 4 years.

      Clinical significans
      They show a predilection for bones an joints of previously healthy children under 4 years of age.
      Infections in adults occur more commonly in immunocompromised individuals or may present as endocarditis.

      Recovery from body fluids and pus can be difficult because these specimens seem to be inhibitory to the bacteria.

  • Gram stain

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

      with square ends which lie together in pairs or clusters

      and tend to decolorize unevenly on Gram stain

  • Culture characteristics

    • the following information is not yet verified

      Facultative anaerobic

      5% CO2 improves the growth

      BA: 2 types, after 48h colonies are 1-2mm
      1) colonies are smooth with a central papilla, small zone of hemolysis
      2) colonies showing spreading edges and pitting of the medium, small zone of hemolysis

      McConkey no growth

      BBAØ growth

      Viability is limited

  • Characteristics

  • References

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

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