| Pseudomonas oligotrophica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas oligotrophica Zhang et al. 2023.
Species description is based on a single isolate.
Genus Pseudomonas, Pseudomonas oligotrophica Zhang et al. 2023.
Species description is based on a single isolate.
Gram-negative rods, 0.6-0.7 x 1.4–1.5 µm. Motile by a polar flagellum. Non-spore-
forming.
forming.
Colonies are irregular, filmy sheet, nontransparent, and ecru white after 48 h of
incubation on NA agar at 30 ºC. Growth was determined at 10-45 ºC (optimum, 25-
30 ºC), at pH 5.5-11.0 (optimum, 6.0), and in 0-4.0% (w/v) NaCl (optimum, 0.5-2.0%).
Facultative anaerobic.
incubation on NA agar at 30 ºC. Growth was determined at 10-45 ºC (optimum, 25-
30 ºC), at pH 5.5-11.0 (optimum, 6.0), and in 0-4.0% (w/v) NaCl (optimum, 0.5-2.0%).
Facultative anaerobic.
Isolated from pond water for juvenile Litopenaeus vannamei collected from Jiangmen city Guangdong Province, China.
Undetermined.
- Zhang M, Li A, Yao Q, Xiao B, Zhu H. Pseudomonas oligotrophica sp. nov., a Novel Denitrifying Bacterium Possessing Nitrogen
Removal Capability Under Low Carbon-Nitrogen Ratio Condition. Front Microbiol 2022; 13:882890.
Positive results for catalase, esterase (C4), esterase lipase (C8), beta-glucosidase, lipase (C14), leucine arylamidase,
naphtol-AS-B1-phosphoamidase, nitrate and nitrite reduction, oxidase, Tween 20 and 60 hydrolysis.
Can assimilate (API 20 NE): D-glucose, D-maltose, potassium gluconate, capric acid, adipic acid, malic acid, and trisodium citrate.
Can utilize (Biolog GN III): gentiobiose, alpha-D-glucose, D-fructose, glycerol, L-alanine, L-arginine, L-aspartic acid, L-glutamic acid,
D-galacturonic acid, L-galactonic acid lactone, D-gluconic acid, D-glucuronic acid, glucuronamide, mucic acid, quinic acid,
D-saccharic acid, L-lactic acid, citric acid, alpha-ketoglutaric acid, D- and L-malic acid, bromosuccinic acid, gamma-aminobutyric
acid, alpha-hydroxybutyric acid, beta-hydroxy-D, L-butyric acid, alpha-ketobutyric acid, propionic acid, and acetic acid.
No utilization of: dextrin, D-maltose, D-mannitol, formic acid and L-pyroglutamic acid.
naphtol-AS-B1-phosphoamidase, nitrate and nitrite reduction, oxidase, Tween 20 and 60 hydrolysis.
Can assimilate (API 20 NE): D-glucose, D-maltose, potassium gluconate, capric acid, adipic acid, malic acid, and trisodium citrate.
Can utilize (Biolog GN III): gentiobiose, alpha-D-glucose, D-fructose, glycerol, L-alanine, L-arginine, L-aspartic acid, L-glutamic acid,
D-galacturonic acid, L-galactonic acid lactone, D-gluconic acid, D-glucuronic acid, glucuronamide, mucic acid, quinic acid,
D-saccharic acid, L-lactic acid, citric acid, alpha-ketoglutaric acid, D- and L-malic acid, bromosuccinic acid, gamma-aminobutyric
acid, alpha-hydroxybutyric acid, beta-hydroxy-D, L-butyric acid, alpha-ketobutyric acid, propionic acid, and acetic acid.
No utilization of: dextrin, D-maltose, D-mannitol, formic acid and L-pyroglutamic acid.
(c) Costin Stoica
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