| Pseudomonas defluvii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas defluvii Qin et al. 2020.
Species description is based on a single isolate.
Genus Pseudomonas, Pseudomonas defluvii Qin et al. 2020.
Species description is based on a single isolate.
Gram-negative rods, 1–1.5 x 2.0–3.0 µm. Motile by one flagellum. Non-spore-forming.
Colonies on BHI agar plates after 24 h of incubation at 30 ºC are round, convex,
smooth, with entire margins and approximately 2.0-4.0 mm in diameter. Growth
occurs in 0-3 % (w/v) NaCl, at pH varying from pH 5 to 9 and the temperatures range
4-37 ºC. A fluorescent pigment is produced on Pseudomonas agar F. Obligate
aerobic.
smooth, with entire margins and approximately 2.0-4.0 mm in diameter. Growth
occurs in 0-3 % (w/v) NaCl, at pH varying from pH 5 to 9 and the temperatures range
4-37 ºC. A fluorescent pigment is produced on Pseudomonas agar F. Obligate
aerobic.
Isolated from the wastewater treatment plant at West China Hospital in Chengdu, PR China.
Resistant to ampicillin, amoxicillin- clavulanic acid, aztreonam, cefazolin, cefepime, cefoxitin, ceftriaxone, ciprofloxacin, imipenem,
levofloxacin, piperacillin-tazobactam and trimethoprim/sulfamethoxazole. Susceptible to amikacin, gentamicin and tobramycin.
Resistant to ampicillin, amoxicillin- clavulanic acid, aztreonam, cefazolin, cefepime, cefoxitin, ceftriaxone, ciprofloxacin, imipenem,
levofloxacin, piperacillin-tazobactam and trimethoprim/sulfamethoxazole. Susceptible to amikacin, gentamicin and tobramycin.
Undetermined.
- Qin J, Hu Y, Wu W, Feng Y, Zong Z. Pseudomonas defluvii sp. nov., isolated from hospital sewage. Int J Syst Evol Microbiol 2020; 70:
4199-4203.
Positive results for catalase and oxidase.
Can utilize: citrate (Simmons’), D-glucose, potassium gluconate, L-alanine, gamma-amino-butryric acid, L-aspartic acid, capric acid,
citric acid, alpha-D-glucose, L-histidine, malic acid, p-hydroxy-phenylacetic acid, phenylacetic acid, quinic acid and 1% sodium lactate.
Weak utilization of: acetic acid, bromosuccinic acid, beta-hydroxyd, L-butyric acid, D-fructose, D-fructose-6-phosphate, D- and L-
fucose, D-galactose, D-galacturonic, D-gluconic acid, glucuronamide, D-glucuronic acid, L-glutamic acid, alpha-ketoglutaric acid,
glycerol, L-lactic acid, methyl pyruvate, propionic acid, L-pyroglutamic acid and L-rhamnose.
Negative results for arginine dihydrolase, aesculin ferric citrate, hydrolysis of gelatin, nitrate reduction, 4-nitrophenyL-beta-D-
galactopyranoside and urease.
No utilization of: acetoacetic acid, adipic acid, L-arabinose, D-arabitol, D-aspartic acid, alpha-hydroxybutyric acid, alpha-ketobutyric
acid, cellobiose, dextrin, formic acid, fusidic acid, L-galactonic acid lactone, N-acetyL-D-galactosamine, gentiobiose, N-acetyl-D-
glucosamine, N-acetyL-glucosamine, 3-methyl glucose, D-glucose, D-glucose-6-phosphate, methyl beta-D-glucoside, glycyl L-
proline, inosine, myo-inositol, D-lactic acid methyl ester, lactose, maltose, D-mannitol, N-acetyL-beta-D-mannosamine, D-mannose,
melibiose, mucic acid, N-acetyl neuraminic acid, pectin, raffinose, D-saccharic acid, D-salicin, D-serine, sodium butyrate, D-sorbitol,
stachyose, sucrose, trehalose, L-tryptophane, turanose and Tween 40.
Can utilize: citrate (Simmons’), D-glucose, potassium gluconate, L-alanine, gamma-amino-butryric acid, L-aspartic acid, capric acid,
citric acid, alpha-D-glucose, L-histidine, malic acid, p-hydroxy-phenylacetic acid, phenylacetic acid, quinic acid and 1% sodium lactate.
Weak utilization of: acetic acid, bromosuccinic acid, beta-hydroxyd, L-butyric acid, D-fructose, D-fructose-6-phosphate, D- and L-
fucose, D-galactose, D-galacturonic, D-gluconic acid, glucuronamide, D-glucuronic acid, L-glutamic acid, alpha-ketoglutaric acid,
glycerol, L-lactic acid, methyl pyruvate, propionic acid, L-pyroglutamic acid and L-rhamnose.
Negative results for arginine dihydrolase, aesculin ferric citrate, hydrolysis of gelatin, nitrate reduction, 4-nitrophenyL-beta-D-
galactopyranoside and urease.
No utilization of: acetoacetic acid, adipic acid, L-arabinose, D-arabitol, D-aspartic acid, alpha-hydroxybutyric acid, alpha-ketobutyric
acid, cellobiose, dextrin, formic acid, fusidic acid, L-galactonic acid lactone, N-acetyL-D-galactosamine, gentiobiose, N-acetyl-D-
glucosamine, N-acetyL-glucosamine, 3-methyl glucose, D-glucose, D-glucose-6-phosphate, methyl beta-D-glucoside, glycyl L-
proline, inosine, myo-inositol, D-lactic acid methyl ester, lactose, maltose, D-mannitol, N-acetyL-beta-D-mannosamine, D-mannose,
melibiose, mucic acid, N-acetyl neuraminic acid, pectin, raffinose, D-saccharic acid, D-salicin, D-serine, sodium butyrate, D-sorbitol,
stachyose, sucrose, trehalose, L-tryptophane, turanose and Tween 40.
(c) Costin Stoica
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