Pseudomonas  straminea
Cultural characteristics
Biochemical characters
Phylum Proteobacteria, Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae, Genus Pseudomonas,
Pseudomonas straminea  
corrig. Iizuka and Komagata 1963.
Species includes the strains of  
Pseudomonas ochracea (Zimmermann 1890) Chester
1901. Historical synonym:
Pseudomonas straminae Iizuka and Komagata 1963.
Gram-negative cells, non-spore-forming, 0.4-0.6 x 1.6-2.0 μm, with rounded ends.
Occur singly or in pairs. Motile by means of a single polar flagellum. Granules of poly -
beta - hydroxybutyrate are not accumulated in the cells.
Colonies are smooth, entire, raised and yellow on nutrient agar. A water-insoluble
yellow pigment is produced and the colour becomes dark in time. Water-soluble,
green fluorescent pigments may be produced. Oxidative but not fermentative. Growth
factors are not required. Growth occurs at 4, 25 and 30 ºC, weakly at 37 ºC. No growth
at 41 ºC.
Isolated from Japanese paddies.
Unknown (none).
  1. Uchino (M.), Kosako (Y.), Uchimura (T.) & Komagata (K.): Emendation of Pseudomonas straminea Iizuka and Komagata 1963. Int.
    J. Syst. Evol. Microbiol., 2000, 50, 1513-1519.
  2. Masataka Uchino, Osamu Shida, Tai Uchimura & Kazuo Komagata: Recharacterization of Pseudomonas fulva Iizuka and
    Komagata 1963, and proposals of Pseudomonas parafulva sp. nov. and Pseudomonas cremoricolorata sp. nov. J. Gen. Appl.
    Microbiol., 47, 247–261 (2001).
  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.
  4. Bram Vanparys, Kim Heylen, Liesbeth Lebbe and Paul De Vos: Pseudomonas peli sp. nov. and Pseudomonas borbori sp. nov.,
    isolated from a nitrifying inoculum. Int J Syst Evol Microbiol, 56, (2006), 1875-1881.
Positive results: alkaline phosphatase, catalase, oxidase (weak), assimilation of: D-ribose, L-arabinose, D-xylose, D-mannose,
D-galactose, raffinose, D-fructose, D-glucose, gluconate, caprate, succinate, citrate, salicylate, L-serine, betaine, L-arabitol, mannitol,
fumarate, itaconate, mucate, L-lactate, beta-hydroxybutyrate, D-galactonolactone, pyruvate, benzoate, p-hydroxybenzoate, L-histidine,
nicotinate, glycerol & tigoneline.

Negative results: acid phosphatase, gelatinase, urease, nitrates reduction, H
2S on TSI, indole production, starch hydrolysis, arginine
dihydrolase, levan production, acid production from: glycerol, D-xylose, D-glucose, D-fructose, D-mannose, maltose, sucrose, lactose,
cellobiose & soluble starch. No assimilation of cellobiose, lactose, soluble starch, inulin, poly-beta-hydroxybutyrate, phenol, xylene,
p-aminobenzoate, naphthalene, testosterone, D-aspartate, D-tryptophan, anthranilate, D-arabinose, L-rhamnose, L-fucose, sucrose,
maltose, trehalose, alpha-D-melibiose, adonitol, D-arabitol, D-xylitol, sorbitol, inositol, 2-ketogluconate, 5-ketogluconate, glucosamine,
acetate, propionate, n-butyrate, valerate, isobutyrate, isovalerate, malonate, adipate, azelate, sebacate, citraconate, glycerate, glycolate,
D-malate, D-tartrate, L(­)-tartrate, meso-tartrate, levulinate, DL-2-aminobutyrate, Tween 80, ethanol, n-propanol, n-butanol, isobutanol,
1-hexanol, geraniol, ethylene glycol, propylene glycol, protocatecuate, gentisate, D- & L-mandelate, benzylformate, phenyl acetate,
inosine, taurocholate, glycine, beta-alanine, L-valine, L-leucine, L-isoleucine, L-threonine, L-phenylalanine, L-tyrosine, L-tryptophan,
L-lysine, L-ornithine, DL-norvaline, creatine, L-citrulline, hippurate, pantothenate, glutathione, acetamide, butylamine, tryptamine,
amylamine, benzylamine, erythritol & dodecane.
(c) Costin Stoica
Culture media
Biochemical tests
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