| Pseudomonas quasicaspiana |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas quasicaspiana Carvalho et al. 2022.
Genus Pseudomonas, Pseudomonas quasicaspiana 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 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 produced on King’s medium B.
Grows at pH 5-6 and 1-4% NaCl. Strictly aerobic
Isolated from symptomatic leaves of Achillea millefolium and Hydrangea 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.
Positive results for oxidase and pectin hydrolysis.
Can utilize as sole carbon source (Biolog GEN III): alpha-D-glucose, D-mannose, D-galactose, D-sorbitol, D- and L-serine,
D-mannitol, D-arabitol, myo-inositol, L-histidine, glycerol, 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 and levan sucrase.
Can utilize as sole carbon source (Biolog GEN III): alpha-D-glucose, D-mannose, D-galactose, D-sorbitol, D- and L-serine,
D-mannitol, D-arabitol, myo-inositol, L-histidine, glycerol, 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 and levan sucrase.
(c) Costin Stoica
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