| Kerstersia gyiorum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Betaproteobacteria, Order Burkholderiales, Family Alcaligenaceae, Genus Kerstersia, Kerstersia
gyiorum Coenye et al. 2003, type species of the genus.
gyiorum Coenye et al. 2003, type species of the genus.
Gram-negative, 1-2 μm long, coccoid cells that occur as single units, in pairs or in
short chains. Motility is strain dependent.
short chains. Motility is strain dependent.
Colonies on nutrient agar are flat or slightly convex with smooth margins with a colour
ranging from white to light brown. Growth occurs at 28 and 42 ºC. Grows in 0 to 4.5%
NaCl concentration.
ranging from white to light brown. Growth occurs at 28 and 42 ºC. Grows in 0 to 4.5%
NaCl concentration.
Isolated from various human clinical samples (leg wounds, ankle wound, sputum and feces).
Undetermined.
- Coenye (T.), Vancanneyt (M.), Cnockaert (M.C.), Falsen (E.), Swings (J.) and Vandamme (P.): Kerstersia gyiorum gen. nov., sp.
nov., a novel Alcaligenes faecalis-like organism isolated from human clinical samples, and reclassification of Alcaligenes
denitrificans Rüger and Tan 1983 as Achromobacter denitrificans comb. nov. Int. J. Syst. Evol. Microbiol., 2003, 53, 1825-1831.
Positive results for catalase.
Can assimilate: acetate, propionate, butyrate, n-valerate, n-caproate, heptanoate, pelargonate, caprate, succinate, fumarate,
DL-lactate, DL-lactate plus methionine, DL-3-hydroxybutyrate, D- and L-malate, pyruvate, citrate, phenylacetate, p-hydroxybenzoate,
D-and L-alpha-alanine, L-phenylalanine, L-tyrosine, L-aspartate, L-glutamate, L-ornithine, L-proline, DL-4-aminobutyrate,
2-aminobenzoate, 4-aminobenzoate, amylamine and DL-kynurenine.
Negative results for arginine dihydrolase, amylase, DNase, esculin hydrolysis, beta-galactosidase, gelatinase, H2S production (TSI),
lysine decarboxylase, nitrate reduction, ornithine decarboxylase, oxidase, urease & acid production from glucose (TSI).
No assimilation of: erythritol, D- and L-arabinose, ribose, D- or L-xylose, adonitol, methyl beta-D-xyloside, galactose, D-glucose,
D-fructose, D-mannose, L-sorbose, L-rhamnose, dulcitol, inositol, mannitol, sorbitol, methyl alpha-D-mannoside, methyl
alpha-D-glucoside, N-acetylglucosamine, amygdalin, arbutin, aesculin, salicin, maltose, lactose, melibiose, sucrose, trehalose,
inulin, D-melezitose, raffinose, starch, glycogen, xylitol, D-turanose, D-lyxose, D-tagatose, D- and L-fucose, D- and L-arabitol, 2- and
3-ketogluconate, oxalate, malonate, glycolate, DL-glycerate, D- and L-tartrate, meso-tartrate, benzoate, o- and m-hydroxybenzoate, D-
or L-mandelate, phthalate, isophthalate, terephthalate, glycine, L-serine, L-histidine, D-tryptophan, trigonelline, L-lysine, L-citrulline,
L-arginine, betaine, creatine, DL-3-aminobutyrate, DL-5-aminovalerate, 3-aminobenzoate, urea, acetamide, sarcosine, ethylamine,
ethanolamine, benzylamine, diaminobutane, spermine, histamine and glucosamine.
Variable results for assimilation of glycerol, gluconate, cellobiose, beta-gentiobiose, isobutyrate, isovalerate, caprylate, glutarate,
adipate, pimelate, suberate, azelate, sebacate, levulinate, 2-ketoglutarate, citraconate, itaconate, mesaconate, aconitate, L-leucine,
L-isoleucine, DL-2-aminobutyrate, L-norleucine, L-valine, DL-norvaline, L-threonine, L-cysteine, L-methionine, L-tryptophan,
beta-alanine, tryptamine and butylamine.
Can assimilate: acetate, propionate, butyrate, n-valerate, n-caproate, heptanoate, pelargonate, caprate, succinate, fumarate,
DL-lactate, DL-lactate plus methionine, DL-3-hydroxybutyrate, D- and L-malate, pyruvate, citrate, phenylacetate, p-hydroxybenzoate,
D-and L-alpha-alanine, L-phenylalanine, L-tyrosine, L-aspartate, L-glutamate, L-ornithine, L-proline, DL-4-aminobutyrate,
2-aminobenzoate, 4-aminobenzoate, amylamine and DL-kynurenine.
Negative results for arginine dihydrolase, amylase, DNase, esculin hydrolysis, beta-galactosidase, gelatinase, H2S production (TSI),
lysine decarboxylase, nitrate reduction, ornithine decarboxylase, oxidase, urease & acid production from glucose (TSI).
No assimilation of: erythritol, D- and L-arabinose, ribose, D- or L-xylose, adonitol, methyl beta-D-xyloside, galactose, D-glucose,
D-fructose, D-mannose, L-sorbose, L-rhamnose, dulcitol, inositol, mannitol, sorbitol, methyl alpha-D-mannoside, methyl
alpha-D-glucoside, N-acetylglucosamine, amygdalin, arbutin, aesculin, salicin, maltose, lactose, melibiose, sucrose, trehalose,
inulin, D-melezitose, raffinose, starch, glycogen, xylitol, D-turanose, D-lyxose, D-tagatose, D- and L-fucose, D- and L-arabitol, 2- and
3-ketogluconate, oxalate, malonate, glycolate, DL-glycerate, D- and L-tartrate, meso-tartrate, benzoate, o- and m-hydroxybenzoate, D-
or L-mandelate, phthalate, isophthalate, terephthalate, glycine, L-serine, L-histidine, D-tryptophan, trigonelline, L-lysine, L-citrulline,
L-arginine, betaine, creatine, DL-3-aminobutyrate, DL-5-aminovalerate, 3-aminobenzoate, urea, acetamide, sarcosine, ethylamine,
ethanolamine, benzylamine, diaminobutane, spermine, histamine and glucosamine.
Variable results for assimilation of glycerol, gluconate, cellobiose, beta-gentiobiose, isobutyrate, isovalerate, caprylate, glutarate,
adipate, pimelate, suberate, azelate, sebacate, levulinate, 2-ketoglutarate, citraconate, itaconate, mesaconate, aconitate, L-leucine,
L-isoleucine, DL-2-aminobutyrate, L-norleucine, L-valine, DL-norvaline, L-threonine, L-cysteine, L-methionine, L-tryptophan,
beta-alanine, tryptamine and butylamine.
(c) Costin Stoica
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