morfology convex

Providencia alcalifaciens

  • General information

    • the following information is not yet verified
      Family: Enterobacteriaceae
      P. alcalifaciens
      - P. rustigianii (P. alcalifaciens biogroep 3)
      P. rettgeri
      P. stuartii

      apathogeen P. heimbachae, P. vermicola

      Natural habitats
      They are ubiquitous in the environment, especially water and clinical samples, such as; urine, feces, blood, wounds and throat. Also occur in animals, mammals, birds, reptiles and insects.

      Clinical significance
      Patients who develop Providencia urinary tract infections often have long-standing dependence on an indwelling urinary catheter.

      P. alcalifaciens, P. rustigianii, and P. heimbachae

      Infections with these Providencia species are most likely to elicit gastrointestinal symptoms.

      P. alcalifaciens infection is also associated with overseas travel.

  • Gram stain

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

      0.6-0.8 x 1.5-2.5 µm,

      ranging in length from coccoid rods to long wire forms.

  • Culture characteristics

    • the following information is not yet verified

      Facultative anaerobic

      Colonies are large, 4mm, gray white, opaque, shiny, smooth and convex.

      Brown pigmentation may occur in the center (P. rettgeri)

      McConkey growth, non lactose fermenter

      BBAØ growth

  • Characteristics

  • References

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