| Bifidobacterium felsineum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium felsineum Modesto, Puglisi, Bonetti, Michelini, Spiezio, Sandri, Sgobarti, Morelli and Mattarelli, 2020.
Bifidobacterium felsineum Modesto, Puglisi, Bonetti, Michelini, Spiezio, Sandri, Sgobarti, Morelli and Mattarelli, 2020.
Gram-positive rods of various shapes, forming a branched structure with ‘Y’ at the
both side. Non-motile. Non-spore-forming.
both side. Non-motile. Non-spore-forming.
Colonies are white, smooth, opaque, 1.0-2.0 mm in diameter after 3 days of
anaerobic incubation on TPY agar. Non-haemolytic. Can grow at 22-48 ºC, optimally
at 37 ºC, not at 20 ºC. Grows at pH 4.0- 8.0, optimally at pH 7.0. Can grow under
aerophilic and microaerophilic conditions.
anaerobic incubation on TPY agar. Non-haemolytic. Can grow at 22-48 ºC, optimally
at 37 ºC, not at 20 ºC. Grows at pH 4.0- 8.0, optimally at pH 7.0. Can grow under
aerophilic and microaerophilic conditions.
Isolated from faeces of an adult cotton top tamarin (Saguinus oedipus).
Undetermined.
- Modesto M, Puglisi E, Bonetti A, Michelini S, Spiezio C, Sandri C, Sgobarti B, Morelli L and Mattarelli P, 2018. Bifidobacterium
primatium sp. nov., Bifidobacterium scaligerum sp. nov., Bifidobacterium falsineum sp. nov. and Bifidobacterium simiarum sp. nov.:
Four novel taxa isolated from the faeces of the cotton top tamarin (Saguinus oedipus) and the emperor tamarin (Saguinus
imperator). Syst Appl Microbiol 41, 593-603.
Description is based mostly on API 50CH and API Rapid ID32 (bioMerieux) results.
Positive results for arginine dihydrolase, aesculin hydrolysis, alpha- and beta-galactosidase, alpha- and beta-glucosidase, histidine
arylamidase (weak), proline arylamidase, serine arylamidase, tyrosine arylamidase (weak), acid production from D-adonitol,
L-arabinose (weak), arbutin, D-fructose (weak), gentibiose (weak), D-glucose, maltose (weak), D-mannose, melibiose (weak),
raffinose, D-ribose, salicin (weak), sucrose (weak), turanose and D-xylose (weak).
Negative results for alkaline phosphatase, alpha-arabinosidase, arginine arylamidase, catalase, glycine arylamidase, indole
production, leucine arylamidase, nitrate reduction, oxidase, phenylalanine arylamidase, urease, acid production from amygdalin, D-
and L-arabitol, D-arabinose, cellobiose, dulcitol, erythritol, D- and L- fucose, D-galactose, gluconate, glycogen, glycerol, inositol, inulin,
2- and 5-ketogluconate, lactose, D-lyxose, mannitol, melezitose, methyl alpha-D-glucopyranoside, methyl alpha-D-manopyranoside,
methyl beta-D-xylopyranoside, N-acetylglucosamine, rhamnose, D-sorbitol, L-sorbose, starch, D-tagatose, trehalose, xylitol and
L-xylose.
Positive results for arginine dihydrolase, aesculin hydrolysis, alpha- and beta-galactosidase, alpha- and beta-glucosidase, histidine
arylamidase (weak), proline arylamidase, serine arylamidase, tyrosine arylamidase (weak), acid production from D-adonitol,
L-arabinose (weak), arbutin, D-fructose (weak), gentibiose (weak), D-glucose, maltose (weak), D-mannose, melibiose (weak),
raffinose, D-ribose, salicin (weak), sucrose (weak), turanose and D-xylose (weak).
Negative results for alkaline phosphatase, alpha-arabinosidase, arginine arylamidase, catalase, glycine arylamidase, indole
production, leucine arylamidase, nitrate reduction, oxidase, phenylalanine arylamidase, urease, acid production from amygdalin, D-
and L-arabitol, D-arabinose, cellobiose, dulcitol, erythritol, D- and L- fucose, D-galactose, gluconate, glycogen, glycerol, inositol, inulin,
2- and 5-ketogluconate, lactose, D-lyxose, mannitol, melezitose, methyl alpha-D-glucopyranoside, methyl alpha-D-manopyranoside,
methyl beta-D-xylopyranoside, N-acetylglucosamine, rhamnose, D-sorbitol, L-sorbose, starch, D-tagatose, trehalose, xylitol and
L-xylose.
(c) Costin Stoica
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