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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Proteobacteria => Gammaproteobacteria => Vibrionales => Vibrionaceae => Vibrio => Vibrio rhizosphaerae Ramesh Kumar and Nair,
2003.
2003.
Gram negative, rods, 1.8-3.2 x 0.4-0.5 µm, motile by means of a single polar
flagellum.
flagellum.
colonies on TS agar are non-luminescent, circular, non-swarming , red-pink.
Can grow in nutrient broth with: 0.1 to 10% NaCl. No growth in 0% NaCl. Growth occur
at 20 - 42 °C . No growth at 4 or 45°C. Optimum growth occurs at 25-300C, pH 7 and
in 2%NaCl. Facultatively anaerobic.
Can grow in nutrient broth with: 0.1 to 10% NaCl. No growth in 0% NaCl. Growth occur
at 20 - 42 °C . No growth at 4 or 45°C. Optimum growth occurs at 25-300C, pH 7 and
in 2%NaCl. Facultatively anaerobic.
Isolated from the rhizosphere of mangrove-associated wild rice (Porteresia coarctata Tateoka) in Pichavaram, south-east coast of India.
Can inhibit a range of bacterial phytopathogens.
Can inhibit a range of bacterial phytopathogens.
Unknown.
- N. Ramesh Kumar and Sudha Nair, 2007. Vibrio rhizosphaerae sp. nov., a red-pigmented bacterium that antagonizes
phytopathogenic bacteria. IJSEM 57, 2241-2246.
Positive results for catalase, lipase (C14), gelatinase, Voges-Proskauer, amylase,
caseinase, acid production from: cellobiose, D-glucose (with gas production), lactose,
mannose, sucrose, xylose, mannitol & salicin.
Can utilize as sole carboun source: cellobiose, galactose, glucose, lactose, mannose,
melibiose, sucrose, xylose, mannitol, acetate, citrate, fumarate, pyruvate, L-aspartate,
L-glutamate, L-serine and L-cysteine.
Negative results for arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, indole, oxidase, nitrate reduction, acid
production from: trehalose, dulcitol, sorbitol & inositol.
caseinase, acid production from: cellobiose, D-glucose (with gas production), lactose,
mannose, sucrose, xylose, mannitol & salicin.
Can utilize as sole carboun source: cellobiose, galactose, glucose, lactose, mannose,
melibiose, sucrose, xylose, mannitol, acetate, citrate, fumarate, pyruvate, L-aspartate,
L-glutamate, L-serine and L-cysteine.
Negative results for arginine dihydrolase, lysine decarboxylase, ornithine decarboxylase, indole, oxidase, nitrate reduction, acid
production from: trehalose, dulcitol, sorbitol & inositol.
(c) Costin Stoica
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