| Pseudomonas rhizoryzae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas rhizoryzae Wang et al. 2020.
Synonym: "Chryseomonas rhizoryzae" (Wang et al. 2020) Rudra and Gupta 2024.
Genus Pseudomonas, Pseudomonas rhizoryzae Wang et al. 2020.
Synonym: "Chryseomonas rhizoryzae" (Wang et al. 2020) Rudra and Gupta 2024.
Gram-negative rods, 0.6-0.7 x 2.0-2.5 µm. Motile by means of a polar flagellum.
Colonies are circular and yellow-pigmented. Growth occurs at 10-37 ºC (optimum, 30
ºC), at pH 6.0-8.0 (pH 7.0) and with 1-7 % (w/v) NaCl (0-1% NaCl). Grow well on
R2A agar and TSA.
ºC), at pH 6.0-8.0 (pH 7.0) and with 1-7 % (w/v) NaCl (0-1% NaCl). Grow well on
R2A agar and TSA.
Isolated from rice seeds and roots, China.
Undetermined.
- Wang X, He SW, Guo HB, Thin KK, Gao JS, Wang Y, Zhang XX. Pseudomonas rhizoryzae sp. nov., isolated from rice. Int J Syst Evol
Microbiol 2020; 70:944-950. - Dong X, Rao Z, Wu S, Peng F, Xie Z, Long Y. Pseudomonas benzopyrenica sp. nov., isolated from soil, exhibiting high-efficiency
degradation of benzo(a)pyrene. Int J Syst Evol Microbiol 2023; 73:6034.
Positive results for catalase, acid production from: glycerol, D- and L-arabinose, ribose, D-xylose, adonitol, galactose, glucose,
fructose, mannose, rhamnose, inositol, mannitol, sorbitol, maltose, melibiose, sucrose, trehalose, turanose, D-lyxose, D-fucose and
D-arabitol.
Can utilize: alpha-D-glucose, D-mannose, D-fructose, D-galactose, D- and L-serine, myo-inositol, L-alanine, D-galacturonic acid,
trehalose, melibiose, methyl beta-D-glucoside, salicin, D-fucose, D-mannitol, D-arabitol, glycerol, D-glucose-6-phosphate,
D-fructose-6-phosphate, glycyl-L-proline, L-aspartic acid, L-glutamic acid, L-pyroglutamic acid, pectin, L-galactonic acid lactone,
D-gluconic acid, D-glucuronic acid, glucuronamide, mucic acid, quinic acid, D-saccharic acid, methyl pyruvate, L-lactic acid, citric acid,
D-and L-malic acid, bromo-succinic acid, Tween 40, gamma-amino-butryric acid, beta-hydroxy-D,L-butyric acid, propionic acid and
acetic acid.
Negative results for casein hydrolysis, oxidase, acid production from: L-xylose, methyl beta-d-xyloside, sorbose, dulcitol, methyl
alpha-D-mannosidase, methyl alpha-D-glucoside, N-acetylglucosamine, amygdalin, arbutin, cellobiose, inulin, melezitose, raffinose,
glycogen, xylitol, D-tagatose, L-fucose, L-arabitol and 5-ketogluconate.
No utilization of: L-histidine, N-acetyl-glucosamine, dextrin, stachyose, lactose, N-acetyl-D-galactosamine, N-acetyl neuraminic acid,
3-methyl glucose, L-rhamnose, D-aspartic acid, gelatin, p-hydroxy-phenylacetic acid, D-lactic acid methyl ester, alpha-hydroxy-butyric
acid, alpha-ketobutyric acid, acetoacetic acid and alpha-ketoglutaric acid.
Variable results for starch hydrolysis and utilization of: D-sorbitol, maltose, N-acetyl-beta-D-mannosamine and inosine.
fructose, mannose, rhamnose, inositol, mannitol, sorbitol, maltose, melibiose, sucrose, trehalose, turanose, D-lyxose, D-fucose and
D-arabitol.
Can utilize: alpha-D-glucose, D-mannose, D-fructose, D-galactose, D- and L-serine, myo-inositol, L-alanine, D-galacturonic acid,
trehalose, melibiose, methyl beta-D-glucoside, salicin, D-fucose, D-mannitol, D-arabitol, glycerol, D-glucose-6-phosphate,
D-fructose-6-phosphate, glycyl-L-proline, L-aspartic acid, L-glutamic acid, L-pyroglutamic acid, pectin, L-galactonic acid lactone,
D-gluconic acid, D-glucuronic acid, glucuronamide, mucic acid, quinic acid, D-saccharic acid, methyl pyruvate, L-lactic acid, citric acid,
D-and L-malic acid, bromo-succinic acid, Tween 40, gamma-amino-butryric acid, beta-hydroxy-D,L-butyric acid, propionic acid and
acetic acid.
Negative results for casein hydrolysis, oxidase, acid production from: L-xylose, methyl beta-d-xyloside, sorbose, dulcitol, methyl
alpha-D-mannosidase, methyl alpha-D-glucoside, N-acetylglucosamine, amygdalin, arbutin, cellobiose, inulin, melezitose, raffinose,
glycogen, xylitol, D-tagatose, L-fucose, L-arabitol and 5-ketogluconate.
No utilization of: L-histidine, N-acetyl-glucosamine, dextrin, stachyose, lactose, N-acetyl-D-galactosamine, N-acetyl neuraminic acid,
3-methyl glucose, L-rhamnose, D-aspartic acid, gelatin, p-hydroxy-phenylacetic acid, D-lactic acid methyl ester, alpha-hydroxy-butyric
acid, alpha-ketobutyric acid, acetoacetic acid and alpha-ketoglutaric acid.
Variable results for starch hydrolysis and utilization of: D-sorbitol, maltose, N-acetyl-beta-D-mannosamine and inosine.
(c) Costin Stoica
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