| Vibrio diazotrophicus |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Vibrionales, Family Vibrionaceae, Genus Vibrio,
Vibrio diazotrophicus Guerinot, West, Lee and Colwell 1982.
Vibrio diazotrophicus Guerinot, West, Lee and Colwell 1982.
Gram-negative, straight or curved, small cells 0.5-2.0 µm, motile, presenting a
sheathed polar flagellum in broth and lateral flagella on solid media. No swarming on
complex media.
sheathed polar flagellum in broth and lateral flagella on solid media. No swarming on
complex media.
Colonies on Marine Agar are flat, circular, and off-white. Non-hemolytic.
Can grow in nutrient broth with: 1%, 6%, 8%, 10% NaCl. No growth in 0% or 12%
NaCl medium. Growth temperature 4-40 ºC. Facultatively anaerobic. Medium used:
Marine Agar (Difco). Nitrogen-fixing bacteria.
Can grow in nutrient broth with: 1%, 6%, 8%, 10% NaCl. No growth in 0% or 12%
NaCl medium. Growth temperature 4-40 ºC. Facultatively anaerobic. Medium used:
Marine Agar (Difco). Nitrogen-fixing bacteria.
Estuarine and marine environments.
Isolated from the intestinal tract of sea urchins, river water, ditch water and sediment and the surface of reeds growing in a drainage
ditch. Very rarely solated from human clinical specimens (blood).
Sensible to O/129 vibriostaic agent (150 µg).
Isolated from the intestinal tract of sea urchins, river water, ditch water and sediment and the surface of reeds growing in a drainage
ditch. Very rarely solated from human clinical specimens (blood).
Sensible to O/129 vibriostaic agent (150 µg).
May occur in human clinical specimens (blood).
- J.J. Farmer, M. Janda, 2004. Family I. Vibrionaceae. In: Bergey’s Manual of Systematic Bacteriology, Second edition,Vol two, part
B, George M. Garrity (Editor-in-Chief), pp. 491-546. - 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. - Guerinot, M. L., West, P. A., Lee, J. V., Colwell, R. R.: Vibrio diazotrophicus sp. nov., a Marine Nitrogen-Fixing Bacterium. Int J Syst
Bacteriol 1982 32: 350-357.
Acid production from lactose is variable.
Positive for esculin, catalase, oxidase, indole production, methyl red reaction, arginine dihydrolase, nitrate reduction, ONPG, amylase,
nitrogenase, phosphatase, acid production from: L-arabinose, arbutin, cellobiose, glucose, mannitol, salicin, sucrose, trehalose,
D-xylose, Growth on: acetate, D-alanine, L-alanine, L-arginine, cellobiose, citrate, glutamate, L-proline, pyruvate, salicin, succinate
and D-xylose.
Negative for lysine decarboxylase, ornithine decarboxylase, Voges-Proskauer reaction, H2S production, acid production from: inositol,
sorbitol, albumin hydrolysis, casein hydrolysis, chitinase, chondroitinase, deoxyribonuclease, elastin hydrolysis, gelatin hydrolysis,
lecithinase, Tween 80 hydrolysis, growth on: formate, glycine, melizitose, proprionate, sorbitol, ethanol and 1-propanol.
Positive for esculin, catalase, oxidase, indole production, methyl red reaction, arginine dihydrolase, nitrate reduction, ONPG, amylase,
nitrogenase, phosphatase, acid production from: L-arabinose, arbutin, cellobiose, glucose, mannitol, salicin, sucrose, trehalose,
D-xylose, Growth on: acetate, D-alanine, L-alanine, L-arginine, cellobiose, citrate, glutamate, L-proline, pyruvate, salicin, succinate
and D-xylose.
Negative for lysine decarboxylase, ornithine decarboxylase, Voges-Proskauer reaction, H2S production, acid production from: inositol,
sorbitol, albumin hydrolysis, casein hydrolysis, chitinase, chondroitinase, deoxyribonuclease, elastin hydrolysis, gelatin hydrolysis,
lecithinase, Tween 80 hydrolysis, growth on: formate, glycine, melizitose, proprionate, sorbitol, ethanol and 1-propanol.
(c) Costin Stoica
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