| Bifidobacterium myosotis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium tissieri Michelini, Oki, Yanokura, Shimakawa, Modesto, Mattarelli, Biavati and Watanabe, 2016.
Bifidobacterium tissieri Michelini, Oki, Yanokura, Shimakawa, Modesto, Mattarelli, Biavati and Watanabe, 2016.
Gram-positive rods of various shapes, forming a branched structure with a ‘Y’ at the
end. Non-motile. Asporogenous.
end. Non-motile. Asporogenous.
Colonies are white, smooth, opaque, 1.0-2.0 mm in diameter after 3 days of anaerobic
incubation on TPY agar. Non-haemolytic. Optimum growth temperature 40 ºC; range
25-46 ºC. No growth at 20 or 48 ºC. Grows at pH 4.5-8.0 (optimum pH 7.0). Survive
under microaerophilic conditions.
incubation on TPY agar. Non-haemolytic. Optimum growth temperature 40 ºC; range
25-46 ºC. No growth at 20 or 48 ºC. Grows at pH 4.5-8.0 (optimum pH 7.0). Survive
under microaerophilic conditions.
Isolated from faeces of common marmoset (Callithrix jacchus).
Undetermined.
- Michelini S, Oki K, Yanokura E, Shimakawa Y, Modesto M, Mattarelli P, Biavati B and Watanabe K, 2016. Bifidobacterium myosotis
sp. nov., Bifidobacterium tissieri sp. nov. and Bifidobacterium hapali from the faeces of baby common marmoset (Callithrix
jacchus). Int J Syst Evol Microbiol 66, 255-265.
Description is based mostly on API 50CH and API Rapid ID32 (bioMerieux) results.
Positive results for alanine arylamidase, alkaline phosphatase, arginine dihydrolase, esculin hydrolysis, glycine arylamidase,
histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase, serine arylamidase, tyrosine
arylamidase, urease, acid production from L-arabinose, cellobiose, D-glucose, lactose, maltose, melibiose, salicin, sucrose and
D-xylose.
Negative results for alpha-arabinosidase, arginine arylamidase, catalase, alpha-chymotrypsin, cysteine arylamidase, esterase
lipase, alpha-fucosidase, alpha- and betagalactosidase, alpha- and beta-glucosidase, beta-glucuronidase, indole production,
lipase, alpha-mannosidase, nitrates reduction, N-acetyl-beta-glucosaminidase, oxidase, trypsin, valine arylamidase, acid production
from D-adonitol, D-arabinose, D and L-arabitol, arbutin, dulcitol, erythritol, D-fucose, glycogen, gluconate, 2- and 5-ketogluconate,
inositol, inulin, D-lyxose, methyl alpha-D-glucopyranoside, methyl alpha-D-manopyranoside, D-ribose, D-sorbitol, L-sorbose, starch,
D-tagatose, xylitol and L-xylose.
Variable results for acid production from amygdalin, D-fructose, D-galactose, gentibiose, glycerol, D-mannose, D-mannitol,
melezitose, N-acetylglucosamine, rhamnose, raffinose, trehalose, turanose and methyl beta-D-xylopyranoside.
Positive results for alanine arylamidase, alkaline phosphatase, arginine dihydrolase, esculin hydrolysis, glycine arylamidase,
histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase, serine arylamidase, tyrosine
arylamidase, urease, acid production from L-arabinose, cellobiose, D-glucose, lactose, maltose, melibiose, salicin, sucrose and
D-xylose.
Negative results for alpha-arabinosidase, arginine arylamidase, catalase, alpha-chymotrypsin, cysteine arylamidase, esterase
lipase, alpha-fucosidase, alpha- and betagalactosidase, alpha- and beta-glucosidase, beta-glucuronidase, indole production,
lipase, alpha-mannosidase, nitrates reduction, N-acetyl-beta-glucosaminidase, oxidase, trypsin, valine arylamidase, acid production
from D-adonitol, D-arabinose, D and L-arabitol, arbutin, dulcitol, erythritol, D-fucose, glycogen, gluconate, 2- and 5-ketogluconate,
inositol, inulin, D-lyxose, methyl alpha-D-glucopyranoside, methyl alpha-D-manopyranoside, D-ribose, D-sorbitol, L-sorbose, starch,
D-tagatose, xylitol and L-xylose.
Variable results for acid production from amygdalin, D-fructose, D-galactose, gentibiose, glycerol, D-mannose, D-mannitol,
melezitose, N-acetylglucosamine, rhamnose, raffinose, trehalose, turanose and methyl beta-D-xylopyranoside.
(c) Costin Stoica
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