| Pseudomonas danubii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas danubii Mulet et al. 2023.
Genus Pseudomonas, Pseudomonas danubii Mulet et al. 2023.
Gram-negative rods, 0.5-1.3 x 1.9-2.5 µm. Motile by one or two polar flagella.
Non-spore-forming.
Non-spore-forming.
Colonies are visible after 24 h incubation at 30 ºC on LB agar. Fluorescent pigment is
produced in King’s B medium. Grows at pH of 5 to 9 and in the range of 4 to 37 ºC
(optimum 30 ºC); no growth detected at 42 ºC. NaCl concentrations up to 6% (w/v) are
tolerated. Strictly aerobic.
produced in King’s B medium. Grows at pH of 5 to 9 and in the range of 4 to 37 ºC
(optimum 30 ºC); no growth detected at 42 ºC. NaCl concentrations up to 6% (w/v) are
tolerated. Strictly aerobic.
Isolated from freshwater samples of the Danube and Woluwe rivers.
Undetermined.
- Mulet M, Martínez MJ, Gomila M, Dabernig-Heinz J, Wagner GE, et al. Genome-based species diversity assessment in the
Pseudomonas chlororaphis phylogenetic subgroup and proposal of Pseudomonas danubii sp. nov. isolated from freshwaters, soil,
and rhizosphere. Diversity 2023; 15:617.
Positive results for arginine dihydrolase, catalase, gelatin hydrolysis and oxidase.
Can assimilate (API 20 NE): glucose, mannose, mannitol, N-acetyl-D-glucosamine, gluconate, caprate, adipate, malate, citrate,
and phenylacetate.
Can utilize as sole carbon source (Biolog GEN III): D-glucose-6-phosphate, D-fructose-6-phosphate, D-fucose
(weak),alpha-hydroxybutyric acid (weak), methyl pyruvate (weak), serine (weak), Tween 40 (weak), alpha-D-glucose,
p-hydroxy-phenylacetic acid, D-mannose, D-mannitol, glycyl-L-proline, gamma-amino-butyric acid, D-fructose, D-arabitol, L-alanine,
D-trehalose, sucrose, myo-inositol, L-arginine, D-gluconic acid, L-lactic acid, beta-hydroxy-D,L-butyric acid, D-cellobiose, and
D-salicin.
Negative results for aesculin hydrolysis, beta-galactosidase, nitrate reduction, urease and acid production from glucose.
No assimilation of: arabinose and maltose.
No utilization of: D-sorbitol, D-galacturonic acid, D-glucuronic acid, D-galactose, mucic acid, D-malic acid, L-rhamnose, D-aspartic
acid, D-saccharic acid, bromo-succinic acid and formic acid.
Can assimilate (API 20 NE): glucose, mannose, mannitol, N-acetyl-D-glucosamine, gluconate, caprate, adipate, malate, citrate,
and phenylacetate.
Can utilize as sole carbon source (Biolog GEN III): D-glucose-6-phosphate, D-fructose-6-phosphate, D-fucose
(weak),alpha-hydroxybutyric acid (weak), methyl pyruvate (weak), serine (weak), Tween 40 (weak), alpha-D-glucose,
p-hydroxy-phenylacetic acid, D-mannose, D-mannitol, glycyl-L-proline, gamma-amino-butyric acid, D-fructose, D-arabitol, L-alanine,
D-trehalose, sucrose, myo-inositol, L-arginine, D-gluconic acid, L-lactic acid, beta-hydroxy-D,L-butyric acid, D-cellobiose, and
D-salicin.
Negative results for aesculin hydrolysis, beta-galactosidase, nitrate reduction, urease and acid production from glucose.
No assimilation of: arabinose and maltose.
No utilization of: D-sorbitol, D-galacturonic acid, D-glucuronic acid, D-galactose, mucic acid, D-malic acid, L-rhamnose, D-aspartic
acid, D-saccharic acid, bromo-succinic acid and formic acid.
(c) Costin Stoica
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