| Bifidobacterium tsurumiense |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium tsurumiense Okamoto, Benno, Leung and Maeda 2008.
Bifidobacterium tsurumiense Okamoto, Benno, Leung and Maeda 2008.
Gram-positive short and irregular rods or coccoid cells.
Colonies are rough, slightly convex and white after 24 hours of anaerobic incubation
on Brucella HK blood agar. Growth also occurs on LBS (lactobacillus selective) and
CFAT (TSB, glucose, cadmium sulfate, sodium fluoride, neutral acriflavine, potassium
tellurite, basic fuchsin, defibrinated sheep blood-selective medium for actinomycetes)
agars. Growth temperature 25-45 ºC, optimum 37 ºC. Facultatively anaerobic.
on Brucella HK blood agar. Growth also occurs on LBS (lactobacillus selective) and
CFAT (TSB, glucose, cadmium sulfate, sodium fluoride, neutral acriflavine, potassium
tellurite, basic fuchsin, defibrinated sheep blood-selective medium for actinomycetes)
agars. Growth temperature 25-45 ºC, optimum 37 ºC. Facultatively anaerobic.
Isolated from dental plaque from hamsters fed with a high-carbohydrate diet.
Undetermined.
- Okamoto M, Benno Y, Leung KP and Maeda N, 2008. Bifidobacterium tsurumiense sp. nov., from hamster dental plaque. IJSEM 58,
144-148.
Decription is based on API 50CHL, API ZYM, and API Rapid ID32A (bioMerieux) results.
Positive results for acid phosphatase, arginine arylamidase, alanine arylamidase, alpha-arabinosidase, cysteine arylamidase,
esculin hydrolysis, esterase C4, esterase lipase C8, glycine arylamidase, alpha- and beta-galactosidase, alpha- and
beta-glucosidase, histidine arylamidase, leucine arylamidase, lipase, phenylalanine arylamidase, proline arylamidase, serine
arylamidase, tyrosine arylamidase, valine arylamidase, acid production from L-arabinose, amygdalin, arbutin, cellobiose, D-fructose,
D-galactose, gentibiose, gluconate, D-glucose, glycogen, 2-ketogluconate, lactose, maltose, D-mannitol, D-mannose, melibiose,
methyl alpha-D-glucopyranoside, raffinose, D-ribose, salicin, starch, sucrose, trehalose, and turanose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, alpha-fucosidase, beta-glucuronidase, indole
production-N-acetyl-beta-glucosaminidase, alpha-mannosidase, nitrate reduction-oxidase, phosphoamidase, trypsin, chymotrypsin,
urease, acid production from D-adonitol, D- and L-arabitol, D-arabinose, dulcitol, erythritol, D- and L-fucose, glycerol, inositol, inulin,
melezitose, D-lyxose, methyl alpha-D-mannopyranoside, N-acetylglucosamine, 5-ketogluconate, L-rhamnose, D-sorbitol, L-sorbose,
D-tagatose, methyl beta-D-xylopyranoside, D-xylose and L-xylose.
Positive results for acid phosphatase, arginine arylamidase, alanine arylamidase, alpha-arabinosidase, cysteine arylamidase,
esculin hydrolysis, esterase C4, esterase lipase C8, glycine arylamidase, alpha- and beta-galactosidase, alpha- and
beta-glucosidase, histidine arylamidase, leucine arylamidase, lipase, phenylalanine arylamidase, proline arylamidase, serine
arylamidase, tyrosine arylamidase, valine arylamidase, acid production from L-arabinose, amygdalin, arbutin, cellobiose, D-fructose,
D-galactose, gentibiose, gluconate, D-glucose, glycogen, 2-ketogluconate, lactose, maltose, D-mannitol, D-mannose, melibiose,
methyl alpha-D-glucopyranoside, raffinose, D-ribose, salicin, starch, sucrose, trehalose, and turanose.
Negative results for alkaline phosphatase, arginine dihydrolase, catalase, alpha-fucosidase, beta-glucuronidase, indole
production-N-acetyl-beta-glucosaminidase, alpha-mannosidase, nitrate reduction-oxidase, phosphoamidase, trypsin, chymotrypsin,
urease, acid production from D-adonitol, D- and L-arabitol, D-arabinose, dulcitol, erythritol, D- and L-fucose, glycerol, inositol, inulin,
melezitose, D-lyxose, methyl alpha-D-mannopyranoside, N-acetylglucosamine, 5-ketogluconate, L-rhamnose, D-sorbitol, L-sorbose,
D-tagatose, methyl beta-D-xylopyranoside, D-xylose and L-xylose.
(c) Costin Stoica
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