| Enterococcus nangangensis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Bacillota (Firmicutes), Class Bacilli, Order Lactobacillales, Family Enterococcaceae, Genus Enterococcus, Enterococcus
nangangensis Li and Gu 2019.
Species description is based on a single isolate.
nangangensis 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 0.5-1.0 mm in diameter after 2 days incubation at 30 ºC. Can grow at
37 ºC and at pH 11. No growth at 45 ºC, at pH 5 or in 5% NaCl in mMRS agar.
Facultatively anaerobic.
greyish-white and 0.5-1.0 mm in diameter after 2 days incubation at 30 ºC. Can grow at
37 ºC and at pH 11. No growth at 45 ºC, at pH 5 or in 5% NaCl in mMRS agar.
Facultatively anaerobic.
Isolated from traditional pickle juice in Heilongjiang province, in China.
Sensitive to 300 µg/ml neomycin sulfate, 100 µg/ml erythromycin, 5 µg/ml ampicillin and 5 µg/ml chloramphenicol. Resistant to 100
µg/ml neomycin sulfate. Tellurite tolerant.
Sensitive to 300 µg/ml neomycin sulfate, 100 µg/ml erythromycin, 5 µg/ml ampicillin and 5 µg/ml chloramphenicol. Resistant to 100
µg/ml neomycin sulfate. 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 esculin hydrolysis, H2S production, pyruvate utilisation, Voges-Proskauer reaction, acid production from amygdalin,
arbutin, L-arabinose, cellobiose, D-fructose, D-galactose, D-glucose (without gas production), gentiobiose,
methyl-alpha-D-glucopyranoside, lactose, D-mannose, maltose, melezitose, methyl-alpha-D-mannopyranoside,
N-acetylglucosamine, D-ribose, L-rhamnose, salicin, and D-xylose.
Negative results for arginine dihydrolase, catalase, hippurate hydrolysis, indole production, nitrate and nitrite reduction, pyrrolidonyl
arylamidase, urease, acid production from adonitol, D-arabinose, D- and L-arabitol, dulcitol, erythritol, D- and L-fucose, glycogen,
glycerol, gluconate, 2- and 5-ketogluconate, inulin, inositol, D-lyxose, D-mannitol, melibiose, raffinose, L-sorbose, D-sorbitol, starch,
sucrose, D-tagatose, turanose, trehalose, methyl-beta-D-xylopyranoside, xylitol, and L-xylose.
arbutin, L-arabinose, cellobiose, D-fructose, D-galactose, D-glucose (without gas production), gentiobiose,
methyl-alpha-D-glucopyranoside, lactose, D-mannose, maltose, melezitose, methyl-alpha-D-mannopyranoside,
N-acetylglucosamine, D-ribose, L-rhamnose, salicin, and D-xylose.
Negative results for arginine dihydrolase, catalase, hippurate hydrolysis, indole production, nitrate and nitrite reduction, pyrrolidonyl
arylamidase, urease, acid production from adonitol, D-arabinose, D- and L-arabitol, dulcitol, erythritol, D- and L-fucose, glycogen,
glycerol, gluconate, 2- and 5-ketogluconate, inulin, inositol, D-lyxose, D-mannitol, melibiose, raffinose, L-sorbose, D-sorbitol, starch,
sucrose, D-tagatose, turanose, trehalose, methyl-beta-D-xylopyranoside, xylitol, and L-xylose.
(c) Costin Stoica
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