Positive results for catalase, oxidase, esculin hydrolysis, beta-galactosidase, acid production from: amygdalin, arabinose, glucose,
mannitol, and saccharose.
Can assimilate: N-acetyl-glucosamine, arabinose, capric acid, gluconate, glucose, maltose, mannitol, and mannose.
Negative results for arginine dihydrolase, gelatinase, H2S production, indole production, lysine decarboxylase, ornithine decarboxylase,
tryptophan deaminase, urease, acid production from: inositol, melibiose, rhamnose, and sorbitol.
No assimilation of adipic acid and phenylacetic acid.
Weak or variable reactions for nitrate reduction to nitrite and Voges-Proskauer test.
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Pseudomonadota (Proteobacteria), Class Gammaproteobacteria, Order Pseudomonadales, Family Pseudomonadaceae,
Genus Pseudomonas, Pseudomonas kuykendallii Hunter and Manter 2012.
Gram-negative rods 0.9 x 3 μm. Motile by polar flagella.
Colonies grown on King’s B agar at 28 C for 5 days are pale yellow, circular, convex,
glistening, opaque and approximately 3 mm in diameter. Colony edges vary from entire
to irregular. No fluorescent pigment is produced in King’s B medium. Optimum growth
in NWRI (National Water Research Institute) media is 30 ºC; no growth at 40 ºC. Grows
in 1% NaCl media but not in 4% NaCl media. Aerobic.
Isolated from bioreactors that degraded the herbicide hexazinone (3-cyclohexyl-6-dimethylamino-1-methyl1,3,5-triazine-2,4-dione).
Can degrade and utilize hexazinone as sole carbon source.
Undetermined.
- Hunter WJ, Manter DK. Pseudomonas kuykendallii sp. nov.: a novel gamma-proteobacteria isolated from a hexazinone degrading
bioreactor. Curr Microbiol 2012; 65:170-175.
(c) Costin Stoica