| Pseudomonas poae |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas poae Behrendt et al. 2003.
Genus Pseudomonas, Pseudomonas poae Behrendt et al. 2003.
Gram-negative, rod-shaped cells, 2.5-3.3 µm wide and about 0.8 µm long. Motile by
one polar flagellum. Non-spore-forming.
one polar flagellum. Non-spore-forming.
Aerobic, optimal growth temperature 21 ºC. Growth can be observed at 4 ºC, but not at
41 ºC. Grows on Trypticase Soy Agar, Nutrient agar, King’s agar A and B. Produce a
fluorescent pigment (negative for type strain in von Neubeck's study). Non-haemolytic.
41 ºC. Grows on Trypticase Soy Agar, Nutrient agar, King’s agar A and B. Produce a
fluorescent pigment (negative for type strain in von Neubeck's study). Non-haemolytic.
Type strain was isolated from the phyllosphere of grasses in Germany. No ice nucleation activity.
Possible plant pathogen. Not pathogenic to onion. Negative for potato soft rot.
- Behrendt U., Ulrich A. & Schumann P.: Fluorescent pseudomonads associated with the phyllosphere of grasses; Pseudomonas
trivialis sp. nov., Pseudomonas poae sp. nov. and Pseudomonas congelans sp. nov. Int. J. Syst. Evol. Microbiol., 2003, 53, 1461-
1469. - Tambong JT, Xu R, Bromfield ESP. Pseudomonas canadensis sp. nov., a biological control agent isolated from a field plot under
long-term mineral fertilization. Int J Syst Evol Microbiol 2017; 67:889-895. - Sawada H, Fujikawa T, Tsuji M, Satou M. Pseudomonas allii sp. nov., a pathogen causing soft rot of onion in Japan. Int J Syst Evol
Microbiol 2021; 71:4582. - von Neubeck M, Huptas C, Gluck C, Krewinkel M, Stoeckel M, Stressler T, Fischer L, Hinrichs J, Scherer S, Wenning M.
Pseudomonas lactis sp. nov. and Pseudomonas paralactis sp. nov., isolated from bovine raw milk. Int J Syst Evol Microbiol 2017;
67:1656-1664.
Aesculin is hydrolysed. Weak oxidase activity.
Can utilize 2-aminoethanol, beta-hydroxybutyric acid, L-proline, L-histidine, DL-lactic acid, putrescine, quinic acid, succinaminic acid,
sucrose, D-trehalose, Tween 40, L-arabinose, D-arabitol, m-inositol, D-mannitol, mannose, fructose, galactose, D-galacturonic acid,
D-glucosaminic acid, D-glucuronic acid, L-asparagine, L-pyroglutamic acid, L-threonine and glycerol.
Negative results for: hydrolysis of starch, formation of levan from sucrose, reduction of nitrate to nitrite, denitrification, arginine
dihydrolase, DNase, indole production, formation of H2S. No assimilation of: L-arabitol, gamma-hydroxybutyric acid, D-cellobiose,
i-erythritol, glucose 6-phosphate, DL-alpha-glycerol phosphate, glycyl L-aspartic acid, p-hydroxyphenylacetic acid, alpha-ketovaleric
acid, D-sorbitol and L-rhamnose.
Variable results for gelatinase, casein hydrolysis, utilization of: adipic acid, itaconic acid, glycogen, N-acetyl-D-glucosamine,
alpha-D-glucose, D-psicose, monomethyl succinate, formic acid, alpha-hydroxybutyric acid, alpha-ketobutyric acid, glycyl L-glutamic
acid, hydroxy-L-proline, L-ornithine, D-serine and DL-carnitine.
Can utilize 2-aminoethanol, beta-hydroxybutyric acid, L-proline, L-histidine, DL-lactic acid, putrescine, quinic acid, succinaminic acid,
sucrose, D-trehalose, Tween 40, L-arabinose, D-arabitol, m-inositol, D-mannitol, mannose, fructose, galactose, D-galacturonic acid,
D-glucosaminic acid, D-glucuronic acid, L-asparagine, L-pyroglutamic acid, L-threonine and glycerol.
Negative results for: hydrolysis of starch, formation of levan from sucrose, reduction of nitrate to nitrite, denitrification, arginine
dihydrolase, DNase, indole production, formation of H2S. No assimilation of: L-arabitol, gamma-hydroxybutyric acid, D-cellobiose,
i-erythritol, glucose 6-phosphate, DL-alpha-glycerol phosphate, glycyl L-aspartic acid, p-hydroxyphenylacetic acid, alpha-ketovaleric
acid, D-sorbitol and L-rhamnose.
Variable results for gelatinase, casein hydrolysis, utilization of: adipic acid, itaconic acid, glycogen, N-acetyl-D-glucosamine,
alpha-D-glucose, D-psicose, monomethyl succinate, formic acid, alpha-hydroxybutyric acid, alpha-ketobutyric acid, glycyl L-glutamic
acid, hydroxy-L-proline, L-ornithine, D-serine and DL-carnitine.
(c) Costin Stoica
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