Undetermined.
| Yersinia alsatica |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Yersiniaceae, Genus Yersinia, Yersinia alsatica
Le Guern et al. 2020.
Le Guern et al. 2020.
Gram-negative, short rods. Non-motile.
Colonies on CIN agar are small, circular, 3.5 mm diameter and have a deep red
centre surrounded by a transparent pale border. Colonies on TSA are beige, smooth
and convex.
centre surrounded by a transparent pale border. Colonies on TSA are beige, smooth
and convex.
Isolated from human stool.
- Le Guern AS, Savin C, Angermeier H, Bremont S, Clermont D, Muhle E, Orozova P, Najdenski H, Pizarro-Cerda J. Yersinia
artesiana sp. nov., Yersinia proxima sp. nov., Yersinia alsatica sp. nov., Yersina vastinensis sp. nov., Yersinia thracica sp. nov. and
Yersinia occitanica sp. nov., isolated from humans and animals. Int J Syst Evol Microbiol 2020; 70:5363-5372.
Description is based mostly on API 20 E and API 50 CH (Biomerieux) results.
Positive results for catalase, beta-galactosidase, indole production, nitrate reduction, pyrazinamidase, urease, Voges–Proskauer test,
acid production from: L-arabinose, arbutin, D-arabitol, aesculin, cellobiose, D-fructose, galactose, gentiobiose, D-glucose, glycerol,
gluconate, 2- and 5-ketogluconate, inositol, lactose, maltose, mannitol, D-mannose, N-acetylglucosamine, ribose, salicin, sucrose,
sorbitol, L-sorbose, trehalose and D-xylose.
Negative results for arginine dihydrolase, citrate utilization, esterase, gelatinase, H2S production, lipase, lysine decarboxylase,
tryptophan deaminase oxidase, acid production from: amygdalin, D-arabinose, adonitol, L-arabitol, dulcitol, erythritol, D- and L-fucose,
glycogen, inulin, D-lyxose, melibiose, melezitose, methyl alpha-D-mannoside, methyl alpha-D-glucoside, methyl beta-D-
xylopyranoside, rhamnose, D-raffinose, starch, D-tagatose, turanose, xylitol and L-xylose.
Variable results for ornithine decarboxylase.
Positive results for catalase, beta-galactosidase, indole production, nitrate reduction, pyrazinamidase, urease, Voges–Proskauer test,
acid production from: L-arabinose, arbutin, D-arabitol, aesculin, cellobiose, D-fructose, galactose, gentiobiose, D-glucose, glycerol,
gluconate, 2- and 5-ketogluconate, inositol, lactose, maltose, mannitol, D-mannose, N-acetylglucosamine, ribose, salicin, sucrose,
sorbitol, L-sorbose, trehalose and D-xylose.
Negative results for arginine dihydrolase, citrate utilization, esterase, gelatinase, H2S production, lipase, lysine decarboxylase,
tryptophan deaminase oxidase, acid production from: amygdalin, D-arabinose, adonitol, L-arabitol, dulcitol, erythritol, D- and L-fucose,
glycogen, inulin, D-lyxose, melibiose, melezitose, methyl alpha-D-mannoside, methyl alpha-D-glucoside, methyl beta-D-
xylopyranoside, rhamnose, D-raffinose, starch, D-tagatose, turanose, xylitol and L-xylose.
Variable results for ornithine decarboxylase.
(c) Costin Stoica
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