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Actinobacillus ureae

  • General information

    • the following information is not yet verified
      Taxonomy
      Family: Pasteurellaceae, formerly: Pasteurella ureae
      Genus: Actinobacillus ureae and A. hominis

      Natural habitats
      A. ureae is usually a commensal in the human respiratory tract, particularly in patients with lower respiratory tract disease.

      Clinical significance
      They may be involved in the pathogenesis of sinusitis, bronchopneumonia, meningitis, and other infections in immunocompromised patients.

      Cases are rare.

  • Gram stain

    • the following information is not yet verified
      Solid media:
      Gram negative, medium-sized, rod-shaped or coccoid rods,

      Their arrangement is single, in pairs and rarely in short chains.

      Liquid media:
      They are longer and show a tendency to bipolar staining.

  • Culture characteristics

    • the following information is not yet verified

      Facultatively anaerobic 5-10% CO2 improves the growth

      BA: colonies are smooth or rough, viscose and often adherent (sticky) to the agar, and are apprroximately 2 mm after 24 hours. Smooth colonies are domed shaped and have a bluish hue when viewed by transmitted light.

      McConkey: no growth

      BBAØ: growth

  • Characteristics

  • References

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