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

Historical synonyms: FAFLP (fluorescent amplified fragment length polymorphism)

clusters A26 Thompson, Hoste, Vandemeulebroecke & Swings, 2001.
Gram-negative,slightly curved cells, 1 x 2-3 µm.
Colonies on TSA  are smooth, beige, convex, translucent to opaque, not swarming, 6
mm in diameter after 48 hours incubation at 28 ºC.
Strains form yellow and/or  green, translucent colonies  on TCBS agar
Facultatively anaerobic.
Can grow in nutrient broth with: 0%  to 8% NaCl. Growth temperature 4 to 35 ºC.
Isolated from the hepatopancreas of wild healthy adults of white shrimp Litopenaeus vannamei in Ecuador.
Susceptible to O/129 vibriostatic agent.
May have probiotic properties for Litopenaeus vannamei under culture conditions.
The type strain, LMG 20362T, showed high levels of colonization in the hepatopancreas of
L. vannamei and out-competed and
excluded the shrimp pathogen
Vibrio harvey; this strain seems to enhance the health and weight of shrimps, also.
  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, oxidase, catalase, nitrate reduction, acetoin production, acid production from: D-glucose, D-mannitol,
sucrose & amygdalin, utilization of: dextrin,
N-acetyl-D-glucosamine, cellobiose, D-fructose, alpha-D-glucose, maltose, psicose,
sucrose, D-trehalose, methyl pyruvate, inosine & glycerol.

Negative results for H
2S production, urease, lysine decarboxylase, ornithine decarboxylase, beta-galactosidase, acid production from:
inositol, L-rhamnose, melibiose & arabinose, utilization of glycogen, Tween 40, N-acetyl-D-galactosamine,adonitol, L-arabinose,
D-arabitol, i-erythritol, L-fucose, D-galactose, gentiobiose, m-inositol, alpha-lactose, alpha-D-lactose lactulose, D-melibiose,
D-raffinose, L-rhamnose, turanose, xylitol, monomethyl succinate, acetic acid, cis-aconitic acid, citric acid, formic acid, D-galactonic
acidolactone, D-galacturonic acid & D-gluconic acid.

Variable results for arginine dihydrolase, gelatinase & acid production from D-sorbitol.
(c) Costin Stoica
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