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Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Firmicutes => Bacilli => Lactobacillales => Enterococcaceae => Enterococcus => Enterococcus asini de Vaux et al. 1998.
Gram positive cocci, elongated, occur mostly in pairs or short chains. Non-motile.
Non-pigmented. Facultatively anaerobic.
Grow at 40 °C, but growth at 10 and 45 °C is weak. Strains survive heating at 60 °C for
30 minutes. No growth in 6.5 % NaCl. Grow in a 40% bile M17 broth.
Grow at 40 °C, but growth at 10 and 45 °C is weak. Strains survive heating at 60 °C for
30 minutes. No growth in 6.5 % NaCl. Grow in a 40% bile M17 broth.
Isolated from cecal contents of donkeys (Equus asinus).
Unknown.
- Albane de Vaux, Gisele Laguerre, Charles Divies and Herve Prevost: Enterococcus asini sp. nov. isolated from the caecum of
donkeys (Equus asinus). Int J Syst Bacteriol 1998 48: 383-387. - Pavel Švec and Luc A. Devriese, 2009: Genus I. Enterococcus (ex Thiercelin and Jouhaud 1903) Schleifer and Kilpper-Bälz 1984,
32VP in Bergey’s Manual of Systematic Bacteriology, Second Edition, Volume Three, Vos, P.D.; Garrity, G.; Jones, D.; Krieg, N.R.;
Ludwig, W.; Rainey, F.A.; Schleifer, K.-H.; Whitman, W.B. (Eds.), pp 594-606.
Positive results for esculin hydrolysis, hippurate hydrolysis, leucine arylaminidase,
pyrrolidonylarylaminidase beta-glucosidase acid production from: D-xylose, galactose,
D-glucose, D-fructose, D-mannose, N-acetyl-glucosamine, amygdalin, arbutin, salicin,
cellobiose, maltose, lactose, trehalose, starch & beta-gentibiose.
Negative results for alpha-galactosidase, beta-galactosidase, beta-glucuronidase,
alkaline phosphatase, arginine dihydrolase, acid production from: glycerol, erythritol,
arabinose, ribose, L-xylose, adonitol, methyl alpha-D-glucoside, L-sorbose, dulcitol, inositol, mannitol, sorbitol, methyl alpha - D -
mannoside, melibiose, sucrose, inulin, melezitose, D-raffinose, glycogen, xylitol, D-turanose, D-lyxose, D-tagatose, fucose, arabitol,
gluconate, 2-ketogluconate & 5-ketogluconate.
Variable results for rhamnose acidification (weak positive).
pyrrolidonylarylaminidase beta-glucosidase acid production from: D-xylose, galactose,
D-glucose, D-fructose, D-mannose, N-acetyl-glucosamine, amygdalin, arbutin, salicin,
cellobiose, maltose, lactose, trehalose, starch & beta-gentibiose.
Negative results for alpha-galactosidase, beta-galactosidase, beta-glucuronidase,
alkaline phosphatase, arginine dihydrolase, acid production from: glycerol, erythritol,
arabinose, ribose, L-xylose, adonitol, methyl alpha-D-glucoside, L-sorbose, dulcitol, inositol, mannitol, sorbitol, methyl alpha - D -
mannoside, melibiose, sucrose, inulin, melezitose, D-raffinose, glycogen, xylitol, D-turanose, D-lyxose, D-tagatose, fucose, arabitol,
gluconate, 2-ketogluconate & 5-ketogluconate.
Variable results for rhamnose acidification (weak positive).
(c) Costin Stoica
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