Vibrio pacinii
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Vibrio, Vibrio pacinii  
Gomez-Gil, Thompson, Thompson and Swings, 2003.
Historical synonyms: FAFLP group A47 Thompson, Hoste, Vandemeulebroecke & Swings, 2001
Gram-negative, rod-shaped cells, motile with polar flagella.
Can grow in nutrient broth with1.5 - 8% NaCl. No growth in 0% or 10% NaCl. Growth
occur at 4-35 ºC. No growth at 40 ºC.
Colonies on Marine agar are translucent, non-swarming, smooth, non-pigmented.
Colonies on TCBS agar are yellow bright, translucent, round, 1.5-2.8 mm in diameter.
No luminescence produced. Not swarming.
Isolated from healthy shrimp larvae (Penaeus chinensis) in China, sea bass (Dicentrarchus labrax) in Spain and from Atlantic salmon
(
Salmo salar) in Tasmania.
Resistant to vibriostatic agent O/129, Gentamicin, Kanamycin & Streptomycin.
The strain LMG 13245 is pathogenic for Atlantic salmon (Salmo salar).
  1. B. Gomez-Gil, F. L. Thompson, C. C. Thompson and J. Swings, 2003. Vibrio pacinii sp. nov., from cultured aquatic organisms.
    IJSEM 53, 1569-1573.
Positive results for arginine dihydrolase, oxidase, catalase, alkaline phosphatase,
tryptophan deaminase, valine arylamidase, esterase (C4), esterase lipase (C8),
alpha-glucosidase, nitrate reduction,  methyl red, acid production from: D-glucose
& lactose.
Can utilize as sole carbon source:  citrate, alpha-D-glucose, cellobiose, dextrin, D-fructose, D-mannitol, D-trehalose, gentiobiose,
inosine, L-asparagine, L-glutamic acid, L-serine, maltose, N-acetyl-D-glucosamine, sucrose, thymidine & uridine.

Negative results for lysine decarboxylase, ornithine decarboxylase, indole, alpha-galactosidase, lipase, H
2S production, urease &  
beta-glucosidase.

Variable results for beta-galactosidase, acid phosphatase, gelatinase, Voges-Proskauer test & ONPG reaction.
(c) Costin Stoica
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