| Bifidobacterium eulemuris |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium eulemuris Michelini, Modesto, Pisi, Filippini, Sandri, Spiezio, Biavati, Sgorbati and Mattarelli 2016.
Bifidobacterium eulemuris Michelini, Modesto, Pisi, Filippini, Sandri, Spiezio, Biavati, Sgorbati and Mattarelli 2016.
Gram-positive rods, 2-5 µm, forming filaments, with irregular contractions and
bifurcations. Non-spore-forming. Non-motile.
bifurcations. Non-spore-forming. Non-motile.
Colonies are white, opaque, smooth with entire edges, 1.0-2.5 mm in diameter after 3
days of incubation under anaerobic conditions on TPY agar. Non-haemolytic. Grows
at temperature 35-42 ºC (optimum 37-42 ºC; no growth at 30 or 47 ºC), pH 5.5-7.0
(optimum pH 6.5-7.0). Microaerophilic. Can grow in milk, under both microaerophilic
and anaerobic conditions.
days of incubation under anaerobic conditions on TPY agar. Non-haemolytic. Grows
at temperature 35-42 ºC (optimum 37-42 ºC; no growth at 30 or 47 ºC), pH 5.5-7.0
(optimum pH 6.5-7.0). Microaerophilic. Can grow in milk, under both microaerophilic
and anaerobic conditions.
Isolated from a faecal sample of an adult black lemur (Eulemur macaco) that was housed under semi-natural conditions in Italy.
Undetermined.
- Michelini S, Modesto M, Pisi AM, Filippini G, Sandri C, Spiezio C, Biavati B, Sgorbati B and Mattarelli P, 2016. Bifidobacterium
eulemuris sp. nov., isolated from faeces of black lemurs (Eulemur macaco). IJSEM 66, 1567-1576.
Description is based mostly on API 50 CHL and RAPID ID32 (bioMerieux) results.
Positive results for acid phosphatase, alanine arylamidase, arginine arylamidase, esculin hydrolysis, alpha- and beta-galactosidase,
alpha- and beta-glucosidase, glycine arylamidase, histidine arylamidase, leucine arylamidase, proline arylamidase, phenylalanine
arylamidase, serine arylamidase, tyrosine arylamidase, acid production from D-adonitol (weak), amygdalin, L-arabinose (weak),
arbutin, esculin, D-fructose (weak), D-glucose, glycerol (weak), gentiobiose, 2-ketogluconate (weak), 5-ketogluconate, lactose (weak),
D-mannitol, D-mannose, melibiose, methyl alpha-D-glucopyranoside, methyl beta-D-xylopyranoside, N-acetylglucosamine (weak),
raffinose, D-ribose, salicin, D-sorbitol, trehalose (weak), turanose and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, cysteine arylamidase, alpha-fucosidase,
beta-glucuronidase, N-acetyl-beta-glucosaminidase, indole production, nitrates reduction, oxidase, urease, valine arylamidase, acid
production from D- and L-arabitol, D-arabinose, cellobiose, dulcitol, erythritol, D- and L-fucose, D-galactose, gluconate, glycogen,
inulin, inositol, D-lyxose, maltose, melezitose, methyl alpha-D-mannopyranoside, rhamnose, L-sorbose, starch, sucrose, tagatose,
xylitol and L-xylose.
Positive results for acid phosphatase, alanine arylamidase, arginine arylamidase, esculin hydrolysis, alpha- and beta-galactosidase,
alpha- and beta-glucosidase, glycine arylamidase, histidine arylamidase, leucine arylamidase, proline arylamidase, phenylalanine
arylamidase, serine arylamidase, tyrosine arylamidase, acid production from D-adonitol (weak), amygdalin, L-arabinose (weak),
arbutin, esculin, D-fructose (weak), D-glucose, glycerol (weak), gentiobiose, 2-ketogluconate (weak), 5-ketogluconate, lactose (weak),
D-mannitol, D-mannose, melibiose, methyl alpha-D-glucopyranoside, methyl beta-D-xylopyranoside, N-acetylglucosamine (weak),
raffinose, D-ribose, salicin, D-sorbitol, trehalose (weak), turanose and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, cysteine arylamidase, alpha-fucosidase,
beta-glucuronidase, N-acetyl-beta-glucosaminidase, indole production, nitrates reduction, oxidase, urease, valine arylamidase, acid
production from D- and L-arabitol, D-arabinose, cellobiose, dulcitol, erythritol, D- and L-fucose, D-galactose, gluconate, glycogen,
inulin, inositol, D-lyxose, maltose, melezitose, methyl alpha-D-mannopyranoside, rhamnose, L-sorbose, starch, sucrose, tagatose,
xylitol and L-xylose.
(c) Costin Stoica
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