Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Salinivibrio, Salinivibrio
proteolyticus Amoozegar, Schumann, Hajighasemi, Fatemi and Karbalaei-Heidari, 2008.
One strain tested: AF-2004T, the type strain.
Gram-negative, short, curved rods, 0.5-0.6 x 1.0-2.3 μm, motile by one polar flagellum.
Can grow in nutrient broth with: 1% to 17% NaCl (5% NaCl is optimal, variable for
12% NaCl). Growth in 0% NaCl is negative.
Growth temperature 10-45 ºC. No growth at 4 ºC. Optimal growth at 32-35 ºC.
Facultatively anaerobic, moderately halophilic. Growth occurs at pH 5-9.5 (optimal pH
Isolated from Bakhtegan Lake, a hypersaline lake in Iran.
Resistant to amoxicillin, bacitracin, cephoxitin, kanamycin, penicillin, streptomycin, tobramycin.
- M. A. Amoozegar,P. Schumann,M. Hajighasemi,A. Z. Fatemi and H. R. Karbalaei-Heidari, 2008. Salinivibrio proteolyticus sp. nov.,
a moderately halophilic and proteolytic species from a hypersaline lake in Iran. IJSEM 58, 1159-1163.
Positive results for Voges-Proskauer (1% NaCl), arginine (1% NaCl), gelatin hydrolysis
(1% NaCl, 22 °C), H2S, oxidase, catalase, starch hydrolysis, acid production from: D-
glucose, D-galactose, inositol, lactose, maltose, D-mannose, trehalose & D-xylose,
utilization as sole carbon source of: acetate, dextrin, D-fructose, glycerol, D-glucose, DL-lactate, D-mannitol, maltose, trehalose
Negative results for indole (Heart Infusion Broth, 1% NaCl), methyl red (1% NaCl), citrate Simmons, urea hydrolysis, lysine (1% NaCl),
ornithine (1% NaCl), esculin hydrolysis, nitrate reduced to nitrite, ONPG test, acid production from L-arabinose & sucrose, utilization
of: aesculin, citrate, D-galactose, inositol, D-lactose, D-mannose, salicin, sucrose or D-xylose.
(c) Costin Stoica