| Bifidobacterium ramosum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium avesanii Michelini, Modesto, Filippini, Spiezio, Sandri, Biavati, Pisi, Mattaraelli 2016.
Bifidobacterium avesanii Michelini, Modesto, Filippini, Spiezio, Sandri, Biavati, Pisi, Mattaraelli 2016.
Gram-positive rods of various shapes in TPY broth and form a branched structure
with a ‘Y’ on both sides. Non-motile. Non-spore-forming.
with a ‘Y’ on both sides. Non-motile. Non-spore-forming.
Colonies are circular with entire margins, white, opaque, smooth and 1.0-2.5 mm in
diameter on TPY agar after 2 days of anaerobic incubation. Non-haemolytic. Growth
temperature 25-50 ºC, optimum 40 ºC. Grows at pH 4.0-7.5, optimum pH 6.0.
Facultatively anaerobic.
diameter on TPY agar after 2 days of anaerobic incubation. Non-haemolytic. Growth
temperature 25-50 ºC, optimum 40 ºC. Grows at pH 4.0-7.5, optimum pH 6.0.
Facultatively anaerobic.
Isolated from the faeces of an adult cotton-top tamarin (Saguinus oedipus L.).
Undetermined.
- Michelini S, Modesto M, Filippini G, Spiezio C, Sandri C, Biavati B, Pisi A, Mattarelli P 2016. Bifidobacterium aerophilum sp. nov.,
Bifidobacterium avesanii sp. nov. and Bifidobacterium ramosum sp. nov.: three noval taxa from the faeces of cotton-top tamarin
(Saguinus oedipus L.). Syst Appl Microbiol 39: 229-236.
Positive results for alanine arylamidase, alkaline phosphatase, arginine arylamidase (weakly), alpha-arabinosidase, arginine
dihydrolase, aesculin hydrolysis, alpha-galactosidase (weakly), beta-galactosidase (weakly), alpha-glucosidase, beta-glucosidase
(weakly), glycine arylamidase, histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase (weakly),
serine arylamidase, tyrosine arylamidase, acid production from L-arabinose, D-fructose, gentibiose, D-glucose, D-lactose, D-ribose,
sucrose and D-xylose.
Negative results for catalase, alpha-fucosidase, beta-glucuronidase, N-acetyl-beta-glucosaminidase, nitrate reduction, indole
production, oxidase, urease, acid production for D-adonitol, D- and L-arabitol, D-arabinose, amygdalin, arbutin, cellobiose, dulcitol,
aesculin, erythritol, D- and L-fucose, D-galactose, gluconate, glycogen, glycerol, N-acetylglucosamine, methyl
alpha-D-glucopyranoside, inositol, inulin, 2- and 5-ketogluconate, D-lyxose, maltose, D-mannitol, melezitose, melibiose, methyl
alpha-D-mannopyranoside, rhamnose, salicin, D-sorbitol, sorbose, starch, D-tagatose, trehalose, D-turanose, methyl
beta-D-xylopyranoside, xylitol and L-xylose.
Variable results for acid production from D-mannose and raffinose.
dihydrolase, aesculin hydrolysis, alpha-galactosidase (weakly), beta-galactosidase (weakly), alpha-glucosidase, beta-glucosidase
(weakly), glycine arylamidase, histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase (weakly),
serine arylamidase, tyrosine arylamidase, acid production from L-arabinose, D-fructose, gentibiose, D-glucose, D-lactose, D-ribose,
sucrose and D-xylose.
Negative results for catalase, alpha-fucosidase, beta-glucuronidase, N-acetyl-beta-glucosaminidase, nitrate reduction, indole
production, oxidase, urease, acid production for D-adonitol, D- and L-arabitol, D-arabinose, amygdalin, arbutin, cellobiose, dulcitol,
aesculin, erythritol, D- and L-fucose, D-galactose, gluconate, glycogen, glycerol, N-acetylglucosamine, methyl
alpha-D-glucopyranoside, inositol, inulin, 2- and 5-ketogluconate, D-lyxose, maltose, D-mannitol, melezitose, melibiose, methyl
alpha-D-mannopyranoside, rhamnose, salicin, D-sorbitol, sorbose, starch, D-tagatose, trehalose, D-turanose, methyl
beta-D-xylopyranoside, xylitol and L-xylose.
Variable results for acid production from D-mannose and raffinose.
(c) Costin Stoica
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