Vibrio alginolyticus
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General information
the following information is not yet verified
All Vibrionaceae require Na• for growth
Taxonomy
Family: Vibrionaceae
Natural habitats
V. alginolyticus is very common in the marine ecosystem.
Clinical significance
It is most frequently isolated from ear and wound infections following seawater exposure.
V. alginolyticus has also been isolated from ocular infections.
It is occasionally isolated from diarrheal stool, but there is no evidence that it actually causes diarrhea.
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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,
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Culture characteristics
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the following information is not yet verified
Facultative anaerobic
Colonies may produce a tan or buff 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 yellow colonies
(Yellow colonies may convert to green if plates are examined after more than 24 hours or are refrigerated after incubation.)
BBAØ growth
motility: can swarm on solid media by production of numerous lateral flagella
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the following information is not yet verified
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Characteristics
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References
Microbiology on the go. An initiative by
Dept. Medical Microbiology and Infectious diseases