Positive results for casein, starch, DNA, Tween 80 & aesculin hydrolysis, catalase,
lysine decarboxylase, arginine dihydrolase, beta-galactosidase, acid production from: D-xylose, D-glucose, L-rhamnose & dextrin.
Can utilize xylose, D-ribose, D-galactose, L-arabinose, sorbose, cellobiose, melezitose, melibiose, aesculin & amygdalin.
Negative results for gelatin, Tween 20 & carboxymethylcellulose hydrolysis, oxidase, ornithine decarboxylase, urease, phenylalanine
deaminase, indole production, H2S production, nitrate reduction, Voges–Proskauer reaction, acid production from D-galactose, D-
mannose, maltose, D-fructose, trehalose, D-mannitol, myo-inositol & salicin.
No utilization of: lactose, sucrose, maltose, D-fructose, trehalose, raffinose, D-mannose, turanose, glycerol, D-erythritol, D-arabitol, D-
mannitol, sorbitol, D-xylitol, adonitol, myo-inositol, inulin, salicin, N-acetylglucosamine, gluconate, acetate & methyl alpa-glucoside.
lysine decarboxylase, arginine dihydrolase, beta-galactosidase, acid production from: D-xylose, D-glucose, L-rhamnose & dextrin.
Can utilize xylose, D-ribose, D-galactose, L-arabinose, sorbose, cellobiose, melezitose, melibiose, aesculin & amygdalin.
Negative results for gelatin, Tween 20 & carboxymethylcellulose hydrolysis, oxidase, ornithine decarboxylase, urease, phenylalanine
deaminase, indole production, H2S production, nitrate reduction, Voges–Proskauer reaction, acid production from D-galactose, D-
mannose, maltose, D-fructose, trehalose, D-mannitol, myo-inositol & salicin.
No utilization of: lactose, sucrose, maltose, D-fructose, trehalose, raffinose, D-mannose, turanose, glycerol, D-erythritol, D-arabitol, D-
mannitol, sorbitol, D-xylitol, adonitol, myo-inositol, inulin, salicin, N-acetylglucosamine, gluconate, acetate & methyl alpa-glucoside.
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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Proteobacteria => Gammaproteobacteria => Pseudomonadales => Pseudomonadaceae => Pseudomonas =>
Pseudomonas duriflava Liu et al. 2008.
Pseudomonas duriflava Liu et al. 2008.
Gram-negative non-motile, non-spore-forming, round-ended, aerobic rods
approximately 0.6–0.8 x 0.7–1.1 μm.
approximately 0.6–0.8 x 0.7–1.1 μm.
On Luria Bertani agar plates, produces dry, yellow, circular, convex, translucent, hard,
wrinkled colonies and approximately 1.0–2.5 mm in diameter within 2 days at 30 °C.
Fluorescent pigments are not produced on King’s medium B. The temperature, pH and
NaCl ranges for growth are 5–42 °C (optimum, 30–37 °C), pH 5.0–9.0 (optimum, pH
7.0–8.0) and 0–2% (optimum, 0–1 %). Good growth occurs on nutrient agar,
MacConkey agar and Simmons’ citrate agar.
wrinkled colonies and approximately 1.0–2.5 mm in diameter within 2 days at 30 °C.
Fluorescent pigments are not produced on King’s medium B. The temperature, pH and
NaCl ranges for growth are 5–42 °C (optimum, 30–37 °C), pH 5.0–9.0 (optimum, pH
7.0–8.0) and 0–2% (optimum, 0–1 %). Good growth occurs on nutrient agar,
MacConkey agar and Simmons’ citrate agar.
Isolated from a desert soil sample in China.
Resistant to vancomycin.
Resistant to vancomycin.
Unknown.
- Liu, Rui, Liu, Huan, Feng, Hao, Wang, Xu, Zhang, Chong-Xing, Zhang, Ke-Yun, Lai, Ren. Pseudomonas duriflava sp. nov.,
isolated from a desert soil. Int J Syst Evol Microbiol 2008 58: 1404-1408.
(c) Costin Stoica
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