Undetermined.
| Yersinia rochesterensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Proteobacteria, Class Gammaproteobacteria, Order Enterobacterales, Family Yersiniaceae, Genus Yersinia, Yersinia
rochesterensis (Cunningham et al. 2019) Nguyen et al. 2021.
Old synonyms: Yersinia occitanica Le Guern et al. 2020, Yersinia kristensenii subsp.
rochesterensis Cunningham et al. 2019.
rochesterensis (Cunningham et al. 2019) Nguyen et al. 2021.
Old synonyms: Yersinia occitanica Le Guern et al. 2020, Yersinia kristensenii subsp.
rochesterensis Cunningham et al. 2019.
Gram-negative, short rods. Variable motility at 28 ºC (four out of the six strains,
including the type strain, are not motile on MMN semisolid medium).
including the type strain, are not motile on MMN semisolid medium).
Colonies on CIN agar are small, circular, 5 mm in 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. - Nguyen SV, Cunningham SA, Jeraldo P, Tran A, Patel R. Yersinia occitanica is a later heterotypic synonym of Yersinia kristensenii
subsp. rochesterensis and elevation of Yersinia kristensenii subsp. rochesterensis to species status. Int J Syst Evol Microbiol
2021; 71:4626.
Description is based mostly on API 20 E and API 50 CH (Biomerieux) results.
Positive results for catalase, beta-galactosidase, lipase, nitrate reduction, pyrazinamidase, urease, acid production from:
L-arabinose, D-arabitol, cellobiose, L-fucose,fructose, glycerol, glucose, gluconate, 5-ketogluconate, mannose, mannitol, maltose,
N-acetylglucosamine, ribose, sorbitol, trehalose and D-xylose.
Negative results for arginine dihydrolase, gelatinase, esterase, H2S production, lipase, lysine decarboxylase, tryptophan deaminase,
oxidase, Voges-Proskauer test, acid production from: amygdalin, D-arabinose, adonitol, D- and L-arabitol, dulcitol, erythritol, aesculin,
D- and L-fucose, glycogen, inulin, D-lyxose, melibiose, melezitose, methyl alpha-D-mannoside, methyl alpha-D-glucoside, methyl
beta-D-xylopyranoside, D-raffinose, L-rhamnose, salicin, starch, sucrose, D-tagatose, turanose, xylitol and L-xylose.
Variable results for citrate utilization, indole production, acid production from: arbutin, inositol, 2-ketogluconate, lactose and
L-sorbose.
Positive results for catalase, beta-galactosidase, lipase, nitrate reduction, pyrazinamidase, urease, acid production from:
L-arabinose, D-arabitol, cellobiose, L-fucose,fructose, glycerol, glucose, gluconate, 5-ketogluconate, mannose, mannitol, maltose,
N-acetylglucosamine, ribose, sorbitol, trehalose and D-xylose.
Negative results for arginine dihydrolase, gelatinase, esterase, H2S production, lipase, lysine decarboxylase, tryptophan deaminase,
oxidase, Voges-Proskauer test, acid production from: amygdalin, D-arabinose, adonitol, D- and L-arabitol, dulcitol, erythritol, aesculin,
D- and L-fucose, glycogen, inulin, D-lyxose, melibiose, melezitose, methyl alpha-D-mannoside, methyl alpha-D-glucoside, methyl
beta-D-xylopyranoside, D-raffinose, L-rhamnose, salicin, starch, sucrose, D-tagatose, turanose, xylitol and L-xylose.
Variable results for citrate utilization, indole production, acid production from: arbutin, inositol, 2-ketogluconate, lactose and
L-sorbose.
(c) Costin Stoica
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