Achromobacter kerstersii
Taxonomy
Morphology
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Phylum Proteobacteria, Class Betaproteobacteria, Order Burkholderiales, Family Alcaligenaceae, Genus Achromobacter,
Achromobacter kerstersii Vandamme et al. 2016.
Gram-negative rods, 0.4-0.7 x 0.9-1.5 µm. Motile.
Colonies are low convex, translucent and non-pigmented, with smooth margins and
1-1.5 mm in diameter after 48h incubation on trypticase soy agar at 28 ºC. Grows on,
blood agar, Drigalsky agar, but not on acetamide. Variable growth on cetrimide agar.
Nonhaemolytic. Can grow in 3% NaCl and 4.5% NaCl (most strains), not in 6% NaCl.
No growth at 42 ºC. No fluorescence on King’s B medium.
Isolated from soil samples.
Undetermined.
  1. Vandamme, P. A., Peeters, C., Inganas, E., Cnockaert, M., Houf, K., Spilker, T., Moore, E. R. B. and Lipuma, J. J. 2016. Taxonomic
    dissection of Achromobacter denitrificans Coenye et al. 2003 and proposal of Achromobacter agilis sp. nov., nom. rev.,
    Achromobacter pestifer sp. nov., nom. rev., Achromobacter kerstersii sp. nov. and Achromobacter deleyi sp. nov. Int. J. Syst. Evol.
    Microbiol., 66, 3708-3717.
Positive results for acid phosphatase, alkaline phosphatase, catalase, C4 lipase, nitrate reduction, oxidase.
Assimilate adipate (most strains), caprate (positive by classical test, but negative in API 20 NE test), D-gluconate, L-malate, citrate,
phenylacetate, D-lactate (most strains) & lactate + methionine.

Negative results for amylase, arginine dihydrolase, esculin hydrolysis, gelatin hydrolysis, beta-glucosidase (most strains), DNase,
H
2S production, indole production, lysine decarboxylase, ornithine decarboxylase, urease, ONPG beta-galactosidase, nitrite reduction,
denitrification, phosphoamidase (most strains), acid production from glucose.
No assimilation of: L-arabinose, D-mannose, N-acetylglucosamine, maltose, trehalose, L-arginine, DL-norleucine, D-mannitol,
sucrose, adonitol, D-xylose, D-fructose & D-glucose.
(c) Costin Stoica
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