| Pseudomonas helmanticensis |
Oxidative metabolism and no fermentation of sugars in peptone media.
Positive results for arginine dihydrolase, catalase, oxidase, urease, acid production from D-fucose and gluconate.
Can assimilate in API 20 NE and API 32 GN: glucose, gluconate, L-arabinose, mannose, mannitol, malate, N-acetylglucosamine,
L-ribose, L-alanine, L-serine, L-sorbose, propionate, L-histidine, L-proline, 2-ketogluconate, 3-hydroxybutyrate and 3-hydroxybenzoate.
Can assimilate in (Biolog plates): mucic acid, malonate (weak), propionate (weak), uridine (weak), Tween 40 and 80,
N-acetyl-D-glucosamine, L-arabinose, D-arabitol, D-fructose, D-galactose, alpha-D-glucose, myo-inositol, D-mannitol, D-mannose,
methyl pyruvate, cis-aconitate, D-galactonic acid lactone, D-gluconate, D-glucosaminic acid, beta-hydroxybutyrate,
alpha-ketoglutarate, DL-lactic acid, quinic acid, D-saccharic acid, succinate, bromosuccinic acid, D- and L-alanine, L-alanyl glycine,
L-asparagine, L-aspartate, L-glutamate, L-histidine, hydroxy-L-proline, L-leucine, L-ornithine, L-proline, L-pyroglutamate, L-serine,
DL-carnitine, gamma-aminobutyrate, urocanate, inosine, putrescine, 2-aminoethanol and glycerol.
Negative results for aesculin hydrolysis, gelatin hydrolysis, beta-galactosidase, indole production and nitrate reduction.
No assimilation of maltose, adipate, phenylacetate, L-rhamnose, inositol, sucrose, maltose, itaconate, suberate, lactate, glycogen,
4-hydroxybenzoate, 5-ketogluconate, salicin, melibiose, L-fucose, valerate, malonate, alpha-cyclodextrin, dextrin, glycogen,
N-acetyl-D-galactosamine, adonitol, cellobiose, i-erythritol, L-fucose, gentiobiose, alpha-lactose, lactulose, maltose, melibiose,
methyl beta-D-glucoside, D-psicose, raffinose, L-rhamnose, D-sorbitol, sucrose, trehalose, turanose, xylitol, monomethyl succinate,
formate, D-galacturonate, D-glucuronate, alpha-hydroxybutyrate, gamma-hydroxybutyrate, p-hydroxyphenylacetate, alpha-ketobutyrate,
alpha-ketovalerate, sebacate, succinamic acid, glucuronamide, L-alaninamide, glycyl L-aspartate, glycyl L-glutamate,
L-phenylalanine, D-serine, L-threonine, thymidine, phenylethylamine, 2,3-butanediol, DL-alpha-glycerol phosphate, glucose
1-phosphate and glucose 6-phosphate.
Contradictory results for inositol, caprate, acetate and citrate assimilation.
Positive results for arginine dihydrolase, catalase, oxidase, urease, acid production from D-fucose and gluconate.
Can assimilate in API 20 NE and API 32 GN: glucose, gluconate, L-arabinose, mannose, mannitol, malate, N-acetylglucosamine,
L-ribose, L-alanine, L-serine, L-sorbose, propionate, L-histidine, L-proline, 2-ketogluconate, 3-hydroxybutyrate and 3-hydroxybenzoate.
Can assimilate in (Biolog plates): mucic acid, malonate (weak), propionate (weak), uridine (weak), Tween 40 and 80,
N-acetyl-D-glucosamine, L-arabinose, D-arabitol, D-fructose, D-galactose, alpha-D-glucose, myo-inositol, D-mannitol, D-mannose,
methyl pyruvate, cis-aconitate, D-galactonic acid lactone, D-gluconate, D-glucosaminic acid, beta-hydroxybutyrate,
alpha-ketoglutarate, DL-lactic acid, quinic acid, D-saccharic acid, succinate, bromosuccinic acid, D- and L-alanine, L-alanyl glycine,
L-asparagine, L-aspartate, L-glutamate, L-histidine, hydroxy-L-proline, L-leucine, L-ornithine, L-proline, L-pyroglutamate, L-serine,
DL-carnitine, gamma-aminobutyrate, urocanate, inosine, putrescine, 2-aminoethanol and glycerol.
Negative results for aesculin hydrolysis, gelatin hydrolysis, beta-galactosidase, indole production and nitrate reduction.
No assimilation of maltose, adipate, phenylacetate, L-rhamnose, inositol, sucrose, maltose, itaconate, suberate, lactate, glycogen,
4-hydroxybenzoate, 5-ketogluconate, salicin, melibiose, L-fucose, valerate, malonate, alpha-cyclodextrin, dextrin, glycogen,
N-acetyl-D-galactosamine, adonitol, cellobiose, i-erythritol, L-fucose, gentiobiose, alpha-lactose, lactulose, maltose, melibiose,
methyl beta-D-glucoside, D-psicose, raffinose, L-rhamnose, D-sorbitol, sucrose, trehalose, turanose, xylitol, monomethyl succinate,
formate, D-galacturonate, D-glucuronate, alpha-hydroxybutyrate, gamma-hydroxybutyrate, p-hydroxyphenylacetate, alpha-ketobutyrate,
alpha-ketovalerate, sebacate, succinamic acid, glucuronamide, L-alaninamide, glycyl L-aspartate, glycyl L-glutamate,
L-phenylalanine, D-serine, L-threonine, thymidine, phenylethylamine, 2,3-butanediol, DL-alpha-glycerol phosphate, glucose
1-phosphate and glucose 6-phosphate.
Contradictory results for inositol, caprate, acetate and citrate assimilation.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas helmanticensis Ramirez-Bahena et al. 2014.
Species description is based on a single isolate.
Genus Pseudomonas, Pseudomonas helmanticensis Ramirez-Bahena et al. 2014.
Species description is based on a single isolate.
Gram-negative rods, 0.6-0.8 x 1.6-2.0 µm. Motile by two polar flagella.
Non-spore-forming.
Non-spore-forming.
Colonies grown on nutrient agar are circular, convex, beige to yellowish, translucent
and usually 1.5-2.0 mm in diameter within 2 days of growth at 28 ºC. Grows at
temperature range 5-31 ºC, at pH 5-11 and with 0-5 % NaCl in nutrient broth. A
diffusible fluorescent pigment is produced on King B medium. Strictly aerobic.
and usually 1.5-2.0 mm in diameter within 2 days of growth at 28 ºC. Grows at
temperature range 5-31 ºC, at pH 5-11 and with 0-5 % NaCl in nutrient broth. A
diffusible fluorescent pigment is produced on King B medium. Strictly aerobic.
Isolated from a forest soil in Salamanca province, Spain.
Undetermined.
- Ramirez-Bahena MH, Cuesta MJ, Flores-Felix JD, Mulas R, Rivas R, Castro-Pinto J, Branas J, Mulas D, Gonzalez-Andres F,
Velazquez E, et al. Pseudomonas helmanticensis sp. nov., isolated from forest soil. Int J Syst Evol Microbiol 2014; 64:2338-2345.
(c) Costin Stoica
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