1. George M. Garrity, Julia A. Bell & Timothy Lilburn: Order IX Pseudomonadales Orla-Jensen 1921 In:  Bergey’s Manual of
    Systematic Bacteriology, Second edition,Vol two, part B, George M. Garrity (Editor-in-Chief), 2005,  pp. 323-442.
  2. 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.
  3. Yoon-Dong Park, Hana Yi, Keun Sik Baik, Chi Nam Seong, Kyung Sook Bae, Eun Young Moon, and Jongsik Chun: Pseudomonas
    segetis sp. nov., isolated from soil. Int J Syst Evol Microbiol November 2006 56:2593-2595.
Pseudomonas flavescens
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
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.
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 ºC, no growth at 4, 37
or 42 ºC.
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.
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 alkaline phosphatase, acid phosphatase, H
2S production, indole production, urease, lysine decarboxylase,
ornithine decarboxylase, arginine dihydrolase, denitrification, gelatin hydrolysis, starch hydrolysis, Tween 80 hydrolysis,
beta-glucosidase, utilization of: 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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