| Chryseomonas duriflava |
Positive results for arginine dihydrolase, catalase, casein hydrolysis, DNase, aesculin hydrolysis, beta-galactosidase, lysine
decarboxylase, starch hydrolysis, Tween 80 hydrolysis, acid production from dextrin, D-glucose, L-rhamnose and D-xylose.
Can utilize: D-ribose, D-galactose, L-arabinose, sorbose, cellobiose, melezitose, melibiose, aesculin and amygdalin.
Negative results for carboxymethylcellulose hydrolysis, gelatinase, H2S production, indole production, nitrate reduction, oxidase,
ornithine decarboxylase, phenylalanine deaminase, urease, Tween 20 hydrolysis, Voges-Proskauer reaction, acid production from:
D-fructose, D-galactose, myo-inositol, D-mannose, maltose, trehalose, D-mannitol and 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 and methyl
alpha-glucoside.
decarboxylase, starch hydrolysis, Tween 80 hydrolysis, acid production from dextrin, D-glucose, L-rhamnose and D-xylose.
Can utilize: D-ribose, D-galactose, L-arabinose, sorbose, cellobiose, melezitose, melibiose, aesculin and amygdalin.
Negative results for carboxymethylcellulose hydrolysis, gelatinase, H2S production, indole production, nitrate reduction, oxidase,
ornithine decarboxylase, phenylalanine deaminase, urease, Tween 20 hydrolysis, Voges-Proskauer reaction, acid production from:
D-fructose, D-galactose, myo-inositol, D-mannose, maltose, trehalose, D-mannitol and 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 and methyl
alpha-glucoside.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Chryseomonas, Chryseomonas duriflava (Liu et al. 2008) Saati-Santamaria et al. 2021.
Basonym: Pseudomonas duriflava Liu et al. 2008
Species description is based on a single isolate.
Genus Chryseomonas, Chryseomonas duriflava (Liu et al. 2008) Saati-Santamaria et al. 2021.
Basonym: Pseudomonas duriflava Liu et al. 2008
Species description is based on a single isolate.
Gram-negative, round-ended rods, 0.6-0.8 x 0.7-1.1 μm. Non-motile. Non-spore-
forming.
forming.
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 ºC.
Fluorescent pigments are not produced on King’s medium B. The temperature, pH and
NaCl ranges for growth are 5-42 ºC (optimum, 30-37 ºC), pH 5.0-9.0 (optimum, pH 7.0-
8.0) and 0-2% NaCl (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 ºC.
Fluorescent pigments are not produced on King’s medium B. The temperature, pH and
NaCl ranges for growth are 5-42 ºC (optimum, 30-37 ºC), pH 5.0-9.0 (optimum, pH 7.0-
8.0) and 0-2% NaCl (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. Sensitive to streptomycin, penicillin G, ampicillin, chloramphenicol, erythromycin, tetracycline, ofloxacin,
amoxicillin, cefamezin, rifampicin, gentamicin, ceftazidime, kanamycin, carbenicillin and polymyxin B.
Resistant to vancomycin. Sensitive to streptomycin, penicillin G, ampicillin, chloramphenicol, erythromycin, tetracycline, ofloxacin,
amoxicillin, cefamezin, rifampicin, gentamicin, ceftazidime, kanamycin, carbenicillin and polymyxin B.
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. - Reddy GS, Garcia-Pichel F. Description of Pseudomonas asuensis sp. nov. from biological soil crusts in the Colorado plateau,
United States of America. J Microbiol 2015; 53:6-13. - Saati-Santamaria Z, Peral-Aranega E, Velazquez E, Rivas R, Garcia-Fraile P. Phylogenomic Analyses of the Genus Pseudomonas
Lead to the Rearrangement of Several Species and the Definition of New Genera. Biology (Basel) 2021; 10:0.
(c) Costin Stoica
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