| Bifidobacterium ruminantium |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium ruminantium Biavati and Mattarelli 1991.
Bifidobacterium ruminantium Biavati and Mattarelli 1991.
Gram-positive irregular rods, 3-6 µm long, sometimes arranged in pairs which forms
angles. Non-motile. Non-spore-forming.
angles. Non-motile. Non-spore-forming.
Colonies are smooth, convex, with entire margins, cream to white, soft and glistening.
Optimum growth temperature is 38-42 ºC. Can grow at 45 ºC, but not at 25 ºC.
Optimum pH range is 6.5-6.9; not growing at pH 4.5 and 8.0. Anaerobic.
Optimum growth temperature is 38-42 ºC. Can grow at 45 ºC, but not at 25 ºC.
Optimum pH range is 6.5-6.9; not growing at pH 4.5 and 8.0. Anaerobic.
Isolated from bovine rumen.
Undetermined.
- Biavati B, Mattarelli P, 2012. Genus I. Bifidobacterium Orla-Jensen 1924. In: Parte et al. (ed). Bergey’s manual of systematic
bacteriology: The Actinobacteria, Part A and B. Springer, New York, 171-206. - Biavati B, and Mattarelli P, 1971. Bifidobacterium ruminantium sp. nov. and Bifidobacterium merycicum sp. nov. from the rumens of
cattle. Int J Syst Bacteriol 41(1), 163-168. - Choi JH, Lee KM, Lee MK, Cha CJ and Kim GB, 2014. Bifidobacterium faecale sp. nov., isolated from human faeces. Int J Syst Evol
Microbiol 64, 3134-3139.
Positive results for acid phosphatase, cystine arylamidase, esterase (C4), alpha- and beta-galactosidase, alpha- and
beta-glucosidase, leucine arylamidase, naphthol-AS-BI-phosphohydrolase, acid production from amygdalin, arbutin, dextrin,
aesculin, D-fructose, D-galactose, D-galactosamine, gentiobiose, D-glucose, glycogen, D-lactose, maltose, D-mannitol, melibiose,
methyl alpha-D-glucopyranoside, raffinose, D-ribose, starch and sucrose.
Negative results for alkaline phosphatase, catalase, aesculin hydrolysis, esterase lipase (C8), alpha-fucosidase, gelatin hydrolysis,
beta-glucuronidase, indole production, lipase (C14), alpha-mannosidase, nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase,
trypsin, alpha-chymotrypsin, valine arylamidase, acid production from D-adonitol, D- and L-arabitol, L-arabinose, cellobiose, dulcitol,
erythritol, D- and L-fucose, gluconate, D-glucuronate, glycerol, inositol, inulin, 2- and 5-ketogluconate, D-lyxose, D-mannose,
melezitose, methyl alpha-D-mannopyranoside, methyl beta-D-xylopyranoside, pectin, porcine gastric mucin, rhamnose, L-sorbose,
tagatose, trehalose, D-turanose, xylan and D-xylose.
Variable results for acid production from amylopectin, amylose, D-glucosamine, D-sorbitol and salicin (weakly).
beta-glucosidase, leucine arylamidase, naphthol-AS-BI-phosphohydrolase, acid production from amygdalin, arbutin, dextrin,
aesculin, D-fructose, D-galactose, D-galactosamine, gentiobiose, D-glucose, glycogen, D-lactose, maltose, D-mannitol, melibiose,
methyl alpha-D-glucopyranoside, raffinose, D-ribose, starch and sucrose.
Negative results for alkaline phosphatase, catalase, aesculin hydrolysis, esterase lipase (C8), alpha-fucosidase, gelatin hydrolysis,
beta-glucuronidase, indole production, lipase (C14), alpha-mannosidase, nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase,
trypsin, alpha-chymotrypsin, valine arylamidase, acid production from D-adonitol, D- and L-arabitol, L-arabinose, cellobiose, dulcitol,
erythritol, D- and L-fucose, gluconate, D-glucuronate, glycerol, inositol, inulin, 2- and 5-ketogluconate, D-lyxose, D-mannose,
melezitose, methyl alpha-D-mannopyranoside, methyl beta-D-xylopyranoside, pectin, porcine gastric mucin, rhamnose, L-sorbose,
tagatose, trehalose, D-turanose, xylan and D-xylose.
Variable results for acid production from amylopectin, amylose, D-glucosamine, D-sorbitol and salicin (weakly).
(c) Costin Stoica
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