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Vibrio vulnificus

  • General information

    • the following information is not yet verified
      All Vibrionaceae require Na+ for growth

      Taxonomy

      Family: Vibrionaceae

      Natural habitats
      Marine environments

      Clinical significance
      V. vulnificus causes primary cellulites, septicemia, foodborne disease and wound infections.

      Patients usually have predisposing conditions such as liver disease, immunosuppression, or other chronic diseases.

      Patients typically present with a sudden onset of fever and chills, vomiting, diarrhea, and abdominal pain.

      Secondary skin lesions
      often appear, progressing to bulla formation and necrosis.

      Endotoxic shock
      often occurs and can rapidly lead to death.

      They also cause severe wound infections, usually after trauma and exposure to marine animals or the marine environment.

  • Gram stain

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

      0.5-0.8 x 1.4-2.6 µm

      straight, curved,

      or comma shaped rods,

  • Culture characteristics

    • the following information is not yet verified

      Facultative anaerobic

      It is common for pure cultures of vibrios to produce multiple colony morphologies (as many as 5), best seen on blood agar.

      Variations in morphology include smooth, rough, convex, flat spreading, and compact in various combinations.

      McConkey growth, lactose fermenter

      TCBS green colonies
      (sucrose not fermented)

      BBAØ growth

      motility: polar flagella

  • Characteristics

  • References


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