Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas poae Behrendt et al. 2003.
Gram-negative, non-sporeforming, rod-shaped cells,motile by one polar flagellum,
2.5-3.3 µm wide and about 0.8 µm long.
Aerobic, optimal growth temperature 21 ºC. Growth can be observed at 4 ºC, but not at
41 ºC. Media: Trypticase Soy Agar, Nutrient agar, King’s agar A & B. Produce a
Type strain was isolated from the phyllosphere of grasses in Germany. No ice nucleation activity.
Possible plant pathogen.
- 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-
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 & glycerol. Aesculin is hydrolysed.
Weak oxidase activity.
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: 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 & L-rhamnose.
Variable results for gelatinase, casein hydrolysis, utilization of: 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 & DL-carnitine.
(c) Costin Stoica