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What you should know:

Vibrio is a Gram-negative curved bacterium that is closely related to the Enterobacteria. It includes several serious pathogens, including the strain that causes cholera (V. cholerae). A toxin produced by these bacteria (Cholera Toxin) activates G-proteins in the host's intestinal epithelium, causing these cells to secrete massive amounts of water. The resulting diarrhea causes dehydration. Some strains of Vibrio are luminescent (V. fischeri).


Domain Bacteria

    Phylum Proteobacteria

        Class g -Proteobacteria

Bergey's Manual Volume 2: The Proteobacteria