Vibrio fortis
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Vibrio, Vibrio fortis  Thompson,
Thompson, Hoste, Vandemeulebroecke, Gullian and Swings, 2003.

Historical synonyms: FAFLP (fluorescent amplified fragment length polymorphism) clusters
A9 and A60, Thompson, Hoste,
Vandemeulebroecke & Swings, 2001.
Gram-negative, slightly curved cells, 1 x 3 µm.
Colonies on TSA  are smooth, beige, low convex, translucent to opaque, not
swarming, 4 mm in diameter after 48 hours incubation at 28 ºC.
Strains form yellow and/or  green, translucent colonies  on TCBS agar.
Can grow in nutrient broth with: 1%
to 8% NaCl; no growth in 0% or 10% NaCl.
Facultatively anaerobic.
Previous group A9 strains  were found to be ubiquitous in the marine environment, associated with  aquatic animals (Nodipecten
nodosus
, Salmo salar, Crassostrea gigas).
The type strain , LMG 21557T (formerly group A9 member), was  isolated from the white shrimp
Litopenaeus vannamei in Ecuador.
Susceptible to O/129 vibriostatic agent.
Associated with both diseased and healthy aquatic animals (healthy and diseased bivalve larvae Nodipecten nodosus, Atlantic
salmon
Salmo salar, diseased oyster larvae Crassostrea gigas)
  1. F.L. Thompson, C.C. Thompson, B. Hoste, K. Vandemeulebroeke, M. Gullian and J. Swings, 2003. Vibrio fortis sp. nov. and Vibrio
    hepatarius sp.nov., isolated from aquatic animals and the marine environment. IJSEM 53, 1495-1501.
Positive results for indole production, oxidase, catalase, beta-galactosidase, nitrate
reduction, acid production from D-glucose & D-mannitol.

Negative results for H
2S, urease, lysine decarboxylase, ornithine decarboxylase,
arginine dihydrolase, gelatinase, acid production from: D-sorbitol, inositol, L-rhamnose & arabinose.

Variable results for acid production from: sucrose, melibiose & amygdalin.
(c) Costin Stoica
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