| Enterococcus dongliensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Enterococcaceae, Genus Enterococcus, Enterococcus
dongliensis Li and Gu 2019.
Species description is based on a single isolate.
dongliensis Li and Gu 2019.
Species description is based on a single isolate.
Gram-positive, coccoid cells, 1 µm in diameter, usually occuring singly. Non-motile.
Non-spore-forming.
Non-spore-forming.
Colonies on mMRS agar plate are small, circular, smooth, convex, with entire margins,
greyish-white and 1-1.5 mm in diameter after 2 days incubation at 30 ºC. Can grow at
37 ºC, at pH 11, and in 5% (w/v) NaCl in mMRS agar. No growth at 45 ºC, at pH 5 or in
6% NaCl in mMRS agar. Facultatively anaerobic.
greyish-white and 1-1.5 mm in diameter after 2 days incubation at 30 ºC. Can grow at
37 ºC, at pH 11, and in 5% (w/v) NaCl in mMRS agar. No growth at 45 ºC, at pH 5 or in
6% NaCl in mMRS agar. Facultatively anaerobic.
Isolated from traditional pickle juice in Heilongjiang province, in China.
Sensitive to 100 µg/ml neomycin sulfate, 5 µg/ml ampicillin and 50 µg/ml chloramphenicol. Resistant to 50 µg/ml neomycin sulfate, 5
µg/ml chloramphenicol and 300 µg/ml erythromycin. Tellurite tolerant.
Sensitive to 100 µg/ml neomycin sulfate, 5 µg/ml ampicillin and 50 µg/ml chloramphenicol. Resistant to 50 µg/ml neomycin sulfate, 5
µg/ml chloramphenicol and 300 µg/ml erythromycin. Tellurite tolerant.
Undetermined.
- Li YQ, Gu CT. Enterococcus pingfangensis sp. nov., Enterococcus dongliensis sp. nov., Enterococcus hulanensis sp. nov.,
Enterococcus nangangensis sp. nov. and Enterococcus songbeiensis sp. nov., isolated from Chinese traditional pickle juice. Int J
Syst Evol Microbiol 2019; 69:3196-3206.
Positive results for H2S production, pyruvate utilisation, acid production from D- and and L-arabitol, cellobiose, D-fructose, glycerol,
D-galactose, D-glucose (without gas production), D-lyxose, lactose (delayed), D-mannose, D-mannitol, maltose,
N-acetylglucosamine, D-ribose, D-sorbitol, trehalose, and xylitol.
Negative results for arginine dihydrolase, catalase, esculin hydrolysis, hippurate hydrolysis, indole production, nitrate and nitrite
reduction, pyrrolidonyl arylamidase, urease, Voges-Proskauer reaction, acid production from D-adonitol, D- and L-arabinose,
amygdalin, arbutin, dulcitol, erythritol, D- and L-fucose, glycogen, gentiobiose, gluconate, 2- and 5-ketogluconate, inositol, inulin,
melibiose, melezitose, methyl-alpha-D-mannopyranoside, methyl-alpha-D-glucopyranoside, L-rhamnose, salicin, L-sorbose,
sucrose, starch, D- and L-xylose, methyl-beta-D-xylopyranoside, raffinose, turanose, and D-tagatose.
D-galactose, D-glucose (without gas production), D-lyxose, lactose (delayed), D-mannose, D-mannitol, maltose,
N-acetylglucosamine, D-ribose, D-sorbitol, trehalose, and xylitol.
Negative results for arginine dihydrolase, catalase, esculin hydrolysis, hippurate hydrolysis, indole production, nitrate and nitrite
reduction, pyrrolidonyl arylamidase, urease, Voges-Proskauer reaction, acid production from D-adonitol, D- and L-arabinose,
amygdalin, arbutin, dulcitol, erythritol, D- and L-fucose, glycogen, gentiobiose, gluconate, 2- and 5-ketogluconate, inositol, inulin,
melibiose, melezitose, methyl-alpha-D-mannopyranoside, methyl-alpha-D-glucopyranoside, L-rhamnose, salicin, L-sorbose,
sucrose, starch, D- and L-xylose, methyl-beta-D-xylopyranoside, raffinose, turanose, and D-tagatose.
(c) Costin Stoica
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