Salinivibrio costicola
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Salinivibrio, Salinivibrio costicola
(Smith 1938)
 Mellado, Moore, Nieto and Ventosa 1996 , emend.  Huang, Garcia, Patel, Cayol, Baresi and Mah 2000.

Subspecies:
  • Salinivibrio costicola subsp. alcaliphilus Romano et al. 2005,
  • Salinivibrio costicola subsp. costicola (Smith 1938) Mellado et al. 1996,
  • Salinivibrio costicola subsp. vallismortis Huang et al. 2000.

Historical synonyms:
Vibrio costicolus Smith 1938, V. costicola Shewan & Veron 1974.
Gram-negative, curved rods, 0.5-0.6 x 1.0-3.2 μm, motile by one polar flagellum, rarely
two polar or subpolar flagella. Not swarming on complex media. No lateral flagella on
solid media.
Colonies are circular, convex, opaque, smooth, and cream colored.
Broth cultures are uniformly turbid.
Can grow in nutrient broth with 1% NaCl (variable) to 12% NaCl. Growth in 0% NaCl is negative for
S. costicola subsp. costicola , S.
costicola subsp. alcaliphilus
and positive for S. costicola subsp. vallismortis. Growth in 20% NaCl is positive for S. costicola subsp.
costicola , S. costicola subsp. alcaliphilus
and negative for S. costicola subsp.
vallismortis
.

Growth temperature is 5-50 ºC. No growth at 4 ºC. Optimal growth at 37 ºC. Growth at 50 ºC is positive for  
subsp. vallismortis,  
negative for
subsp. costicola and subsp. alcaliphilus.
No growth factors are required, but yeast extract enhances growth. Facultatively anaerobic, chemoorganotrophic, moderately
halophilic. Growth occurs at pH 5-10 (optimal pH 7.5).
Subsp. alcaliphilus requires pH 9.
Isolated from hypersaline environments and from salted food.
Unknown.
  1. A. Ventosa , 2004. Genus III. Salinivibrio Mellado, Moore, Nieto and Ventosa. In:  Bergey’s Manual of Systematic Bacteriology,
    Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief),   pp. 552-554.
  2. J. G.Holt et al., 1994. Group 5 Facultatively anaerobic Gram-negative rods. Subgroup 2 Family Vibrionaceae. In: Begey’s Manual of
    Determinative Bacteriology, 9-th edition, Williams & Wilkins. pp. 190-194.
  3. 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), oxidase, catalase, acid
production from: D-glucose, maltose & trehalose.

Negative results for indole (Heart Infusion Broth, 1%NaCl), nitrate reduction to nitrite, citrate (Simmons), lysine (1%NaCl), ornithine
(1%NaCl), ONPG test, gas production from D-glucose, acid production from: D-adonitol, L-arabinose, D-arabitol, cellobiose, dulcitol,
D-galactose, myo-inositol, lactose, melibiose, raffinose, L-rhamnose, salicin, D-sorbitol & D-xylose.

Variable results for esculin hydrolysis: (positive for
subsp. costicola  and  negative for  subsp. vallismortis), starch hydrolysis (negative
for
subsp. costicola  and positive for subsp. vallismortis), acid production from: D-mannitol, D-mannose & sucrose.
(c) Costin Stoica
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