Vibrio chagasii
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Vibrio, Vibrio chagasii  
Thompson, Thompson, Li, Gomez-Gil, Vandenberghe, Hoste and Swings, 2003.
Historical synonyms: FAFLP groups A52 and A53 Thompson, Hoste, Vandenberghe & Swings, 2001.
Gram-negative, slightly curved cells, 1 x 2-3 µm, motile by at least one polar flagellum.
Colonies on TSA are translucent, not swarming , convex, smooth, rounded, dark
beige, 3-4 mm in diameter after 48 hours at 28 ºC incubation. Colonies on TCBS agar
are green (except the strain LMG 13251T which are transparent).
Variable growth in nutrient broth with: 8% NaCl. No growth in 0% or 10% NaCl.
Variable growth at 4 ºC. No growth at 35 ºC. Facultative anaerobe. Nonluminescent.
Isolated from the gut of turbot larvae (Scophthalmus maximus) in Norway, from rotifer (Brachionus plicatilis) in Greece, water in
Greece,
Artemisia sp. in Spain, sea bass (Dicentrarchus labrax) in Greece.
Susceptible to vibriostatic agent O/129. Ampicillin resistant.
Unknown.
  1. F. L. Thompson, C. C. Thompson, Y.  Li, B. Gomez-Gil, J. Vandenberghe, B. Hoste and J. Swings, 2003. Vibrio kanaloae sp. nov.,
    Vibrio pomeroyi sp. nov. and Vibrio chagasii sp. nov., from sea water and marine animals. IJSEM 53, 753-759.
Positive results for indole, oxidase, catalase, acid phosphatase, alkaline phosphatase,
esterase (C4), esterase lipase (C8), nitrate reduction, methyl red, acid production from:
D-glucose & mannitol.
Utilize Tweens 40 and 80, cellobiose, L-alanine, D-mannitol, psicose and alpha-
ketoglutaric acid as sole carbon sources.

Negative results for lysine decarboxylase, ornithine decarboxylase, alpha-galactosidase, beta-galactosidase, lipase, tryptophan
deaminase, valine arylamidase, H
2S production, urease, alpha-glucosidase, beta-glucosidase, gelatinase, acid production from:
sucrose, arabinose, sorbitol, melibiose, inositol & rhamnose.
No util
ization of L-arabinose, methyl beta-D-glucoside, alpha-cyclodextrin, gentiobiose, alpha-D-lactose, lactulose, putrescine,
beta-hydroxybutyric acid, S-saccharic acid, sebacic acid, L-ornithine & L-phenylalanine.

Variable results for arginine dihydrolase.
(c) Costin Stoica
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