- George M. Garrity, Julia A. Bell & Timothy Lilburn: Order IX Pseudomonadales Orla-Jensen 1921In: Bergey’s Manual of
Systematic Bacteriology, Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief), pp. 323-442. - Hildebrand, D. C., Palleroni, N. J., Hendson, M., Toth, J., Johnson, J. L. Pseudomonas flavescens sp. nov., Isolated from
Walnut Blight Cankers. Int J Syst Bacteriol 1994 44: 410-415.
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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Bacteria => Proteobacteria => Gammaproteobacteria => Pseudomonadales => Pseudomonadaceae => Pseudomonas =>
Pseudomonas flavescens Hildebrand et al. 1994.
Pseudomonas flavescens Hildebrand et al. 1994.
Gram-negative, slightly curved rods, 0.6-0.7 x 1.6-2.3 µm, motile by means of a single
polar flagellum .
polar flagellum .
Colonies are yellow on YDCP medium and King medium B. A diffusible fluorescent
pigment is produced on King medium B. No poly-beta-hydroxybutyrate accumulation.
Aerobic, growth factors are not required. Growth temperature 28 °C, no growth at 4, 37
or 42 °C.
pigment is produced on King medium B. No poly-beta-hydroxybutyrate accumulation.
Aerobic, growth factors are not required. Growth temperature 28 °C, no growth at 4, 37
or 42 °C.
Isolated from walnut trees cankers.
Unknown. The 2 strains were isolated in association with Xanthomonas campestris pv. juglandis a walnut tree pathogen.
No ice nucleation & no hypersensitivity to plants. No soft rot of potatoes produced.
No ice nucleation & no hypersensitivity to plants. No soft rot of potatoes produced.
Positive results for oxidase, utilization of acetate, cis-aconitate, D-alanine, L-alanine,
alpha-aminobutyrate, L-arabinose, L-asparagine, L-aspartate, betaine, 2,3-butanediol,
caprate, caproate, caprylate, choline, citrate, citrulline, creatine, ethanolamine, fumarate,
galactose, galacturonate, gluconate, glucose, glutamate, glycerate, glycerol, glycolate,
heptanoate, L-histidine, p-hydroxybenzoate, p-hydroxybutyrate, p-hydroxymethylglutarate,
itaconate, alpha-ketoglutarate, L-lactate, L-leucine, D-malate, L-malate, malonate, mannitol, mannose, mesaconate, mucate,
pelargonate, proline, pyruvate, quinate, saccharate, serine (slowly), succinate, sucrose, m-tartrate, trehalose, trigonelline & xylose.
Negative results for arginine dihydrolase, denitrification, gelatin hydrolysis, starch hydrolysis, Tween 80 hydrolysis, beta-glucosidase,
acetamide, transaconitate, adipate, adonitol, beta-alanine, alpha-aminobutyrate, alpha-aminovalerate, gamma-aminovalerate,
alpha-amylamine, anthranilate, D-arabinose, L-arabitol, L-arginine, D-aspartate, azelate, benzolate, benzoylformate, benzylamine,
butanol, butylamine, butyrate, cellobiose, citraconate, n-dodecane, dulcitol, erythritol, ethanol, ethylene glycol, D-fucose, geraniol,
glycine, n-hexadecane, hippurate, histamine, homoserine, m-hydroxybenzoate, o-hydroxybenzoate, inositol, insulin, isobutanol,
isobutyrate, isoleucine, isovalerate, 2-ketogluconate, kynurenate, kynurenine, lactose, levdinate, L-lysine, maltose, D-mandelate,
L-mandelate,
melibiose, naphthalene, nicotinate, norleucine, pantothenate, phenol, phenylacetate, phenylalanine, phthalate, pimelate, n-propanol,
propionate, propylene glycol, ornithine, L-rhamnose, ribose, salicin, sebacate, sorbitol, sorbose, spermine, starch, suberate, D-(
-)-tartrate, L-( +)-tartrate, testosterone, L-threonine, D-tryptophan, L-tryptophan, L-tyrosine & L-valine.
alpha-aminobutyrate, L-arabinose, L-asparagine, L-aspartate, betaine, 2,3-butanediol,
caprate, caproate, caprylate, choline, citrate, citrulline, creatine, ethanolamine, fumarate,
galactose, galacturonate, gluconate, glucose, glutamate, glycerate, glycerol, glycolate,
heptanoate, L-histidine, p-hydroxybenzoate, p-hydroxybutyrate, p-hydroxymethylglutarate,
itaconate, alpha-ketoglutarate, L-lactate, L-leucine, D-malate, L-malate, malonate, mannitol, mannose, mesaconate, mucate,
pelargonate, proline, pyruvate, quinate, saccharate, serine (slowly), succinate, sucrose, m-tartrate, trehalose, trigonelline & xylose.
Negative results for arginine dihydrolase, denitrification, gelatin hydrolysis, starch hydrolysis, Tween 80 hydrolysis, beta-glucosidase,
acetamide, transaconitate, adipate, adonitol, beta-alanine, alpha-aminobutyrate, alpha-aminovalerate, gamma-aminovalerate,
alpha-amylamine, anthranilate, D-arabinose, L-arabitol, L-arginine, D-aspartate, azelate, benzolate, benzoylformate, benzylamine,
butanol, butylamine, butyrate, cellobiose, citraconate, n-dodecane, dulcitol, erythritol, ethanol, ethylene glycol, D-fucose, geraniol,
glycine, n-hexadecane, hippurate, histamine, homoserine, m-hydroxybenzoate, o-hydroxybenzoate, inositol, insulin, isobutanol,
isobutyrate, isoleucine, isovalerate, 2-ketogluconate, kynurenate, kynurenine, lactose, levdinate, L-lysine, maltose, D-mandelate,
L-mandelate,
melibiose, naphthalene, nicotinate, norleucine, pantothenate, phenol, phenylacetate, phenylalanine, phthalate, pimelate, n-propanol,
propionate, propylene glycol, ornithine, L-rhamnose, ribose, salicin, sebacate, sorbitol, sorbose, spermine, starch, suberate, D-(
-)-tartrate, L-( +)-tartrate, testosterone, L-threonine, D-tryptophan, L-tryptophan, L-tyrosine & L-valine.
(c) Costin Stoica
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