| Pseudomonas californiensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas californiensis Carvalho et al. 2022.
Genus Pseudomonas, Pseudomonas californiensis Carvalho et al. 2022.
Gram-negative rods 0.4 x 1.6 μm. Motile by lophotrichous flagella. Non-spore-forming.
Colonies after 24h incubation at 28 ºC on nutrient agar are whitish, smooth, circular
and 0.7-1.0mm in diameter. Fluorescent pigment is not produced on King’s medium
B. Grows at pH 5-6 and 1-4% NaCl. Strictly aerobic
and 0.7-1.0mm in diameter. Fluorescent pigment is not produced on King’s medium
B. Grows at pH 5-6 and 1-4% NaCl. Strictly aerobic
Isolated from symptomatic leaves of Delphinium sp. in California. Ice-nucleation-positive.
Undetermined. Tobacco hypersensitive reaction is negative.
- Carvalho R, Albu S, Timilsina S, Minsavage GV, Paret ML, Jones JB. Pseudomonas californiensis sp. nov. and Pseudomonas
quasicaspiana sp. nov., isolated from ornamental crops in California. Int J Syst Evol Microbiol 2022; 72:5565.
Can utilize as sole carbon source (Biolog GEN III): alpha-D-glucose, D-mannose, D-fructose, D-galactose, D-sorbitol, D- and
L-serine, D-mannitol, D-arabitol, myo-inositol, D-glucose-6-phosphate, acetoacetic acid, L-alanine, L-aspartic acid, L-glutamic acid,
L-pyroglutamic acid, D-galacturonic acid; L-galactonic acid lactone, D-gluconic acid, D-glucuronic acid, mucic acid, quinic acid,
D-saccharic acid, L-lactic acid, citric acid, alpha-keto-glutaric acid, D- and L-malic acid, gamma-amino-butyric acid, propionic acid;
acetic acid and formic acid.
Negative results for arginine dihydrolase, levan sucrase, oxidase and pectin hydrolysis.
L-serine, D-mannitol, D-arabitol, myo-inositol, D-glucose-6-phosphate, acetoacetic acid, L-alanine, L-aspartic acid, L-glutamic acid,
L-pyroglutamic acid, D-galacturonic acid; L-galactonic acid lactone, D-gluconic acid, D-glucuronic acid, mucic acid, quinic acid,
D-saccharic acid, L-lactic acid, citric acid, alpha-keto-glutaric acid, D- and L-malic acid, gamma-amino-butyric acid, propionic acid;
acetic acid and formic acid.
Negative results for arginine dihydrolase, levan sucrase, oxidase and pectin hydrolysis.
(c) Costin Stoica
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