Actinomyces naeslundii / A. oris

  • General information

    • the following information is not yet verified
      previously Actinomyces naeslundii genospecies 2

      Family: Actinomycetaceae,

      Natural habitats
      They are commonly isolated in the human oral cavity and play a major role in the formation of oral biofilm or dental plaque.

      Clinical significance
      A. oris, A. odontolyticus, and A. viscosus are the primary Actinomyces species in infants' mouths as well as in early dental plaque.

      A. oris it has also been linked to root caries, periodontal disease and even opportunistic infections such as actinomycosis.

  • Diseases

  • Gram stain

    • the following information is not yet verified
      Long, gram positive rods,

      with many short branches

  • Culture characteristics

    • the following information is not yet verified

      Facultative anaerobic

      Colonies appear as white, cream or pinkish, smooth, convex and have entire edges.

      Occasional rough forms may sometimes occur.

      BBAØ growth

  • Characteristics

  • References

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

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