| Pseudomonas cerasi |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas cerasi Kaluzna et al. 2017.
Genus Pseudomonas, Pseudomonas cerasi Kaluzna et al. 2017.
Gram-negative rods, 0.5 x 2-3.5 µm. Non-spore-forming.
After 48h of incubation an 26 ºC on Nutrient Agar with 5% of sucrose medium, the
colonies are mucoid, convex (dome-shaped), shiny, pearly- white because of levan
production. A diffusible fluorescent pigment is produced on King’s B medium. Growth
occurs at 4 ºC but not at 37 ºC. NaCl is tolerated at concentrations up to 5% (w/v).
Aerobic.
colonies are mucoid, convex (dome-shaped), shiny, pearly- white because of levan
production. A diffusible fluorescent pigment is produced on King’s B medium. Growth
occurs at 4 ºC but not at 37 ºC. NaCl is tolerated at concentrations up to 5% (w/v).
Aerobic.
Isolated from leaves of sour cherry with necrotic spots in Poland, from wild cherry leaves in Serbia and from Asian pear trees (Pyrus
pyrifolia) in an orchard in Jinju, South Korea.
Resistant to penicillin, rifamycin SV, lincomycin, niaproof 4, vancomycin, tetrazolium violet, tetrazolium blue, potassium tellurite.
Susceptible to amikacin, streptomycin, erythromycin, chloramphenicol, neomycin, gentamycin, tetracycline, nalidixic acid, lithium
chloride and sodium bromate.
pyrifolia) in an orchard in Jinju, South Korea.
Resistant to penicillin, rifamycin SV, lincomycin, niaproof 4, vancomycin, tetrazolium violet, tetrazolium blue, potassium tellurite.
Susceptible to amikacin, streptomycin, erythromycin, chloramphenicol, neomycin, gentamycin, tetracycline, nalidixic acid, lithium
chloride and sodium bromate.
Produce symptoms typical for bacterial canker sour cherry, wild cherry and pear trees, including necrotic spots on leaves and fruits,
dying of the flowers as well as necrotic areas on shoots.
Can induce hypersensitive reaction on tobacco leaves cv. Samsun after 24h.
dying of the flowers as well as necrotic areas on shoots.
Can induce hypersensitive reaction on tobacco leaves cv. Samsun after 24h.
- Kaluzna M, Willems A, Pothier JF, Ruinelli M, Sobiczewski P, Pulawska J. Pseudomonas cerasi sp. nov. (non Griffin, 1911) isolated
from diseased tissue of cherry. Syst Appl Microbiol 2016; 39:370-377. - Ilicic, R., Jelusic, A., Markovic, S., Barac, G., Bagi, F., & Popovic, T. (2022). Pseudomonas cerasi, the new wild cherry pathogen in
Serbia and the potential use of recG helicase in bacterial identification. Annals of Applied Biology, 180(1), 140–150. https://doi.
org/10.1111/aab.12717 - Choi, O., Kang, B., Lee, Y. et al. Bacterial shoot blight caused by Pseudomonas cerasi, a new pathogen of pear tree. Australasian
Plant Dis. Notes 15, 24 (2020). https://doi.org/10.1007/s13314-020-00393-w
Positive results for catalase, gelatin liquefaction and tyrosine activity.
Can utilize D-glucose, L-arabinose, D-mannose, D-mannitol, potassium gluconate, capric acid, trisodium citrate, alpha-D-glucose,
D-galactose, 1% sodium lactate, D-sorbitol, D-arabitol, glycerol, L-alanine, L-aspartic acid, L-glutamic acid, L-serine, pectin,
D-gluconic acid, D-glucuronic acid, mucic acid, quinic acid, D-saccharic acid, sucrose, L-lactic acid, citric acid, D- and L-malic acid,
gamma-amino-butryric acid and acetic acid.
Negative results for arginine dihydrolase, beta-galactosidase, indole production, nitrate reduction, pectinolysis, starch hydrolysis,
tartaric acid hydrolysis and urease.
No utilization of adipic acid, phenylacetic acid, D-maltose, D-trehalose, gentiobiose, D-turanose, stachyose, D-raffinose,
alpha-D-lactose, beta-methyl-D-glucoside, D-salicin, N-acetyl-D-glucosamine, inosine, fusidic acid, L-galactonic acid lactone,
p-hydroxy-phenylacetic acid, alpha-hydroxy-butyric acid and sodium butyrate.
Variable results for beta-glucosidase (esculin hydrolysis) and oxidase activity.
Can utilize D-glucose, L-arabinose, D-mannose, D-mannitol, potassium gluconate, capric acid, trisodium citrate, alpha-D-glucose,
D-galactose, 1% sodium lactate, D-sorbitol, D-arabitol, glycerol, L-alanine, L-aspartic acid, L-glutamic acid, L-serine, pectin,
D-gluconic acid, D-glucuronic acid, mucic acid, quinic acid, D-saccharic acid, sucrose, L-lactic acid, citric acid, D- and L-malic acid,
gamma-amino-butryric acid and acetic acid.
Negative results for arginine dihydrolase, beta-galactosidase, indole production, nitrate reduction, pectinolysis, starch hydrolysis,
tartaric acid hydrolysis and urease.
No utilization of adipic acid, phenylacetic acid, D-maltose, D-trehalose, gentiobiose, D-turanose, stachyose, D-raffinose,
alpha-D-lactose, beta-methyl-D-glucoside, D-salicin, N-acetyl-D-glucosamine, inosine, fusidic acid, L-galactonic acid lactone,
p-hydroxy-phenylacetic acid, alpha-hydroxy-butyric acid and sodium butyrate.
Variable results for beta-glucosidase (esculin hydrolysis) and oxidase activity.
(c) Costin Stoica
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