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Aeromonas veronii bv. sobria

  • General information

    • the following information is not yet verified
      The significance of the recovery of Aeromonas from stool specimens should be interpreted cautiously and must rely on both laboratory information and clinical interpretation.

      Taxonomy
      Family: Aeromonadaceae

      Natural habitats
      Aeromonas are inhabitants of aquatic ecosystems worldwide.

      They don’t like saltwater.

      They are also found in a wide variety of fresh produced meat (beef, poultry and pork), and dairy products (raw milk and ice cream)
      And found in the gut of medical leeches and in the mouth of snakes

      Clinical significance

      Clinical strains formely referred to as A. sobria are in fact, A. veronii bv sobria.
      This is especially important because of A. veronii bv. sobria's association with more severe, extraintestinal infections, such as septicemia and meningitis.


      They are capable of causing gastroenteritis and wound infections in humans, especially those individuals with liver disease.

      Aeromonas gastroenteritis ranges from an acute watery diarrhea (most common form) to dysenteric illness or chronic illness.

      Stools from acute watery diarrhea are loose and erythrocytes and fecal leukocytes are absent.

      Symptoms
      Abdominal pain, fever, vomiting, and nausea.
      Infections are usually self-limiting, but children may require hospitalization due to dehydration.

      Aeromonads can also be isolated, on other sites, although blood and wounds are the most common sources

  • Gram stain

    • the following information is not yet verified
      Gram negative straight rod with rounded ends,

      0.3-1.0 x 1.0-3.5 µm,

      they occur single or in pairs, rarely in short chains.

  • Culture characteristics

    • the following information is not yet verified

      Facultative anaerobic

      (oxidase positive fermenter)

      BA: colonies are smooth, circular, convex, translucent, 1-3 mm in diameter, and β-hemolytic.

      McConkey: growth

      BBAØ: growth

  • Characteristics

  • References

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