| Bifidobacterium actinocoloniiforme |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium actinocoloniiforme Killer, Kopecny, Mrazek, Koppova, Havlik, Benada and Kott 2011.
Bifidobacterium actinocoloniiforme Killer, Kopecny, Mrazek, Koppova, Havlik, Benada and Kott 2011.
Gram-positive irregularly shaped rods, 0.3-0.6 x 0.4-1.2 µm, with enlarged or tapered
ends, occurring singly or in short chains. Non-motile. Non-spore-forming.
ends, occurring singly or in short chains. Non-motile. Non-spore-forming.
Colonies are cream in colour, sometimes irregularly circular with entire edges and
rigid cores and 2.0-3,9 mm in diameter after 2 days of incubation under anaerobic
conditions on TPY agar; some colonies have filamentous parts growing around the
solid core after 72 hours of incubation. The colonies reach 1.7-2.6 mm after 2 days of
incubation under microaerophilic conditions. Growth temperature 25-37 ºC,no growth
at 47 ºC. Grows at pH 5.0.
rigid cores and 2.0-3,9 mm in diameter after 2 days of incubation under anaerobic
conditions on TPY agar; some colonies have filamentous parts growing around the
solid core after 72 hours of incubation. The colonies reach 1.7-2.6 mm after 2 days of
incubation under microaerophilic conditions. Growth temperature 25-37 ºC,no growth
at 47 ºC. Grows at pH 5.0.
Isolated from the digestive tract contents of a bumblebee (Bombus lucorum), Czech Republic.
Undetermined.
- Killer J, Kopecny J, Mrazek J, Koppova I, Havlik J, Benada O and Kott T, 2011. Bifidobacterium actinocoloniiforme sp. nov. and
Bifidobacterium bohemicum sp. nov., from the bumblebee digestive tract. Int J Syst Evol Microbiol 61, 1315-1321.
Description is based mostly on API 50 CHL and API Rapid ID 32A results.
Positive results for arginine arylamidase, alanine arylamidase, alpha- and beta-galactosidase, alpha- and beta-glucosidase, histidine
arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase, tyrosine arylamidase, acid production from
amygdalin, arbutin, L-arabinose, cellobiose (weak), D-galactose, D-glucose, melibiose (weak), D-ribose, salicin, sucrose, trehalose
and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, alpha-fucosidase, beta-glucuronidase, indole production,
nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase, pyroglutamic acid arylamidase, urease, acid production from D-adonitol, D-
and L-arabitol, dulcitol, erythritol, D- and L-fucose, D-fructose, gentiobiose, gluconate, glycerol, inulin, inositol, 2- and 5-ketogluconate,
D-lyxose, maltose, D-mannitol, D-mannose, melezitose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside, methyl
beta-D-xylopyranoside, N-acetylglucosamine, raffinose, rhamnose, D-sorbitol, L-sorbose, starch, tagatose and xylitol.
Positive results for arginine arylamidase, alanine arylamidase, alpha- and beta-galactosidase, alpha- and beta-glucosidase, histidine
arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase, tyrosine arylamidase, acid production from
amygdalin, arbutin, L-arabinose, cellobiose (weak), D-galactose, D-glucose, melibiose (weak), D-ribose, salicin, sucrose, trehalose
and D-xylose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, alpha-fucosidase, beta-glucuronidase, indole production,
nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase, pyroglutamic acid arylamidase, urease, acid production from D-adonitol, D-
and L-arabitol, dulcitol, erythritol, D- and L-fucose, D-fructose, gentiobiose, gluconate, glycerol, inulin, inositol, 2- and 5-ketogluconate,
D-lyxose, maltose, D-mannitol, D-mannose, melezitose, methyl alpha-D-glucopyranoside, methyl alpha-D-mannopyranoside, methyl
beta-D-xylopyranoside, N-acetylglucosamine, raffinose, rhamnose, D-sorbitol, L-sorbose, starch, tagatose and xylitol.
(c) Costin Stoica
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