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Vibrio parahaemolyticus

  • 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. parahaemolyticus are the leading course of foodborne intestinal infections, almost always associated with the consumption of oysters, raw fish or shellfish.

      They are primarily associated with diarrhea, but it had occasionally isolated from extraintestinal sites. They causes gastroenteritis with nausea, vomiting, abdominal cramps, lowgrade fever and chills.

      The diarrhea is usually watery, but can on rare occasions be bloody.

      Rehydration is usually the only treatment needed, but in some severe cases the patient requires hospital admission. Antimicrobial therapy may be beneficial.

  • 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

      Colonies may produce a brown pigment.

      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, non lactose fermenter

      TCBS green colonies
      (sucrose not fermented)

      BBAØ growth

      motility: can swarm on solid media by production of numerous lateral flagella

  • Characteristics

  • References

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


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