| Bifidobacterium tibiigranuli |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium tibiigranuli Eckel, Ziegler, Vogel and Ehrmann, 2020.
Bifidobacterium tibiigranuli Eckel, Ziegler, Vogel and Ehrmann, 2020.
Gram-positive short irregular rods, 2-3/1 µm and often form short chains, sometimes
branched. Non-motile. Non-spore-forming.
branched. Non-motile. Non-spore-forming.
Colonies are white, opaque, smooth, 1-2 mm in diameter after 3 days of anaerobic
incubation on TPY agar, BM agar or MRS agar. Growth temperature 15-40 ºC
(optimum 30 ºC), pH 4.0-8.5 (optimum pH 6.5). Facultatively naerobic.
incubation on TPY agar, BM agar or MRS agar. Growth temperature 15-40 ºC
(optimum 30 ºC), pH 4.0-8.5 (optimum pH 6.5). Facultatively naerobic.
Isolated from homemade water kefirs, Germany.
Undetermined.
- Eckel VPL, Ziegler LM, Vogel RF and Ehrmann M, 2020. Bifidobacterium tibiigranuli sp. nov. isolated from homemade water kefir.
Int J Syst Evol Microbiol 70: 1562-1570.
Description is based mostly on API 50CHL, API Rapid ID 32 (Biomerieux) results.
Positive results for alanine arylamidase, alkaline phosphatase, arginine arylamidase, aesculin hydrolysis, alpha-galactosidase,
alpha- and beta-glucosidase, glycine arylamidase, histidine arylamidase, leucine arylamidase, proline arylamidase, phenylalanine
arylamidase, serine arylamidase, tyrosine arylamidase, acid production from: arbutin, aesculin, D-fructose, D-galactose, gluconate,
D-glucose, 5-ketogluconate, maltose, D-mannitol, melezitose, melibiose, methyl alpha-D-glucopyranoside, raffinose, D-ribose,
D-sorbitol, L-sorbose, sucrose and trehalose.
Negative results for arginine dihydrolase, alpha-arabinosidase, catalase, alpha-fucosidase, beta-galactosidase, beta-glucuronidase,
indole production, nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase, urease, acid production from: D-adonitol, amygdalin, L-
and D-arabinose, cellobiose, dulcitol, D- and L-fucose, gentibiose, glycogen, glycerol, inulin, 2-ketogluconate, lactose, D-mannose,
methyl alpha-D-mannopyranoside, methyl beta-D-xylopyranoside, N-acetylglucosamine, L-rhamnose, salicin, starch, turanose D- and
L-xylose.
Variable results for acid production from D-lyxose and inositol.
Positive results for alanine arylamidase, alkaline phosphatase, arginine arylamidase, aesculin hydrolysis, alpha-galactosidase,
alpha- and beta-glucosidase, glycine arylamidase, histidine arylamidase, leucine arylamidase, proline arylamidase, phenylalanine
arylamidase, serine arylamidase, tyrosine arylamidase, acid production from: arbutin, aesculin, D-fructose, D-galactose, gluconate,
D-glucose, 5-ketogluconate, maltose, D-mannitol, melezitose, melibiose, methyl alpha-D-glucopyranoside, raffinose, D-ribose,
D-sorbitol, L-sorbose, sucrose and trehalose.
Negative results for arginine dihydrolase, alpha-arabinosidase, catalase, alpha-fucosidase, beta-galactosidase, beta-glucuronidase,
indole production, nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase, urease, acid production from: D-adonitol, amygdalin, L-
and D-arabinose, cellobiose, dulcitol, D- and L-fucose, gentibiose, glycogen, glycerol, inulin, 2-ketogluconate, lactose, D-mannose,
methyl alpha-D-mannopyranoside, methyl beta-D-xylopyranoside, N-acetylglucosamine, L-rhamnose, salicin, starch, turanose D- and
L-xylose.
Variable results for acid production from D-lyxose and inositol.
(c) Costin Stoica
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