Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
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.
Colonies are circular with entire margins, white, opaque, smooth and 1.5-2.5 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.
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.
- Michelini S, Modesto M, Filippini G, Spiezio C, Sandri C, Biavati B, Pisi A, Mattarelli P. 2018. Corrigendum to "Bifidobacterium
aerophilum sp. nov., Bifidobacterium avesanii sp. nov. and Bifidobacterium ramosum sp. nov.: Three novel taxa from the faeces of
cotton-top tamarin (Saguinus oedipus L.)" [Syst. Appl. Microbiol. 39 (2016) 229-236]. Syst Appl Microbiol 41:528.
Positive results for alanine arylamidase, alkaline phosphatase, arginine arylamidase, alpha- and beta- galactosidase,
alpha-glucosidase, glycine arylamidase, beta-glucuronidase (weakly), histidine arylamidase, leucine arylamidase, phenylalanine
arylamidase, proline arylamidase, serine arylamidase, tyrosine arylamidase, acid production from L-arabinose, D-fructose,
D-glucose, D-galactose (weakly), 2-ketogluconate (weakly), raffinose (weakly), sucrose, D- and L-xylose.
Negative results for arginine dihydrolase, alpha-arabinosidase, catalase, alpha-fucosidase, beta-glucosidase, indole production,
N-acetyl-beta-glucosaminidase, nitrate reduction, oxidase, urease, acid production for D-adonitol, amygdalin, D-arabinose, D- and
L-arabitol, arbutin, cellobiose, dulcitol, aesculin, erythritol, D- and L-fucose, gentibiose, gluconate, glycogen, glycerol, inositol, inulin,
5-ketogluconate, D-lactose, D-lyxose, maltose, D-mannitol, melezitose, melibiose, methyl alpha-D-glucopyranoside, methyl
alpha-D-mannopyranoside, N-acetylglucosamine, rhamnose, D-ribose, salicin, D-sorbitol, sorbose, starch, D-tagatose, trehalose,
D-turanose, methyl beta-D-xylopyranoside, and xylitol.
Variable results for acid production from D-mannose.
(c) Costin Stoica