| Enterococcus wangshanyuanii |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Enterococcaceae, Genus Enterococcus, Enterococcus
wangshanyuanii Jin et al. 2017.
Reacts with Lancefield group D antisera.
wangshanyuanii Jin et al. 2017.
Reacts with Lancefield group D antisera.
Gram-positive, ovoid cells, occurring predominantly in pairs and short chains or in
irregular clusters. Non-motile. Non-spore-forming.
irregular clusters. Non-motile. Non-spore-forming.
Colonies on Columbia agar with 5% defibrinated sheep blood after 24 h incubation at
37 ºC are about 1 mm in diameter, non-pigmented grey and smooth. Weakly
alpha-haemolytic. Growth is observed at 22, 35, 37 and 45 ºC, but not at 10 ºC. Weak
growth in 6.5% (w/v) NaCl. Facultatively anaerobic.
37 ºC are about 1 mm in diameter, non-pigmented grey and smooth. Weakly
alpha-haemolytic. Growth is observed at 22, 35, 37 and 45 ºC, but not at 10 ºC. Weak
growth in 6.5% (w/v) NaCl. Facultatively anaerobic.
Isolated from faecal samples of yaks (Bos grunniens) collected from the Qinghai-Tibetan plateau, China.
Undetermined.
- Jin D, Yang J, Lu S, Lai XH, Xiong Y, Xu J. Enterococcus wangshanyuanii sp. nov., isolated from faeces of yaks (Bos grunniens). Int
J Syst Evol Microbiol 2017; 67:5216-5221.
Description is based mostly on API 20 Strep and API 50 CH results (bioMerieux).
Positive results for alkaline phosphatase, esculin hydrolysis, hippurate hydrolysis, leucine arylamidase, pyrrolidonyl arylamidase,
Voges-Proskauer test, acid production from amygdalin, arbutin, cellobiose, esculin, D-fructose, D-galactose, gluconate D-glucose
(without gas production), beta-gentiobiose, lactose (weakly positive for one of four strains), D-mannose, maltose, ribose, salicin,
starch, trehalose, and D-xylose.
Negative results for arginine hydrolysis, catalase, alpha- and beta-galactosidase, beta-glucuronidase, acid production from D- and
L-arabinose, D-adonitol, D- and L-arabitol, dulcitol, erythritol, D- and L-fucose, glycogen, inositol, inulin, 2- and 5-ketogluconate,
D-lyxose, mannitol, melibiose, melezitose (weakly positive for one of four strains), methyl alpha-D-mannopyranoside, methyl
alpha-D-glucopyranoside, N-acetylglucosamine, raffinose, L-rhamnose, sorbitol, L-sorbose, sucrose, turanose, D-tagatose, methyl
beta-D-xylopyranoside, xylitol, and L-xylose.
Positive results for alkaline phosphatase, esculin hydrolysis, hippurate hydrolysis, leucine arylamidase, pyrrolidonyl arylamidase,
Voges-Proskauer test, acid production from amygdalin, arbutin, cellobiose, esculin, D-fructose, D-galactose, gluconate D-glucose
(without gas production), beta-gentiobiose, lactose (weakly positive for one of four strains), D-mannose, maltose, ribose, salicin,
starch, trehalose, and D-xylose.
Negative results for arginine hydrolysis, catalase, alpha- and beta-galactosidase, beta-glucuronidase, acid production from D- and
L-arabinose, D-adonitol, D- and L-arabitol, dulcitol, erythritol, D- and L-fucose, glycogen, inositol, inulin, 2- and 5-ketogluconate,
D-lyxose, mannitol, melibiose, melezitose (weakly positive for one of four strains), methyl alpha-D-mannopyranoside, methyl
alpha-D-glucopyranoside, N-acetylglucosamine, raffinose, L-rhamnose, sorbitol, L-sorbose, sucrose, turanose, D-tagatose, methyl
beta-D-xylopyranoside, xylitol, and L-xylose.
(c) Costin Stoica
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