| Bifidobacterium breve |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium breve Reuter 1963.
Old synonym: Bacillus parvulorum Reuter 1963.
Bifidobacterium breve Reuter 1963.
Old synonym: Bacillus parvulorum Reuter 1963.
Gram-positive short, slender or thick, often club-shaped rods, with or without
bifurcations, sometimes granules; cells may autoagglutinate in saline.
bifurcations, sometimes granules; cells may autoagglutinate in saline.
Colonies are convex to pulvinate, smooth or undulating surface, soft, 2-3 mm in
diameter. Anaerobic. Optimum growth temperature is 36-38 ºC. No growth at 20 or
46.5 ºC.
diameter. Anaerobic. Optimum growth temperature is 36-38 ºC. No growth at 20 or
46.5 ºC.
Isolated from faeces of infants and suckling calves, and from human vagina.
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. - Rogosa M. 1975. Genus III. Bifidobacterium Orla-Jensen 1924. In: Buchanan RE & Gibbons NE (ed). Bergey’s Manual of
Determinative Bacteriology, Eight Edition, The Williams & Wilkins Company, Baltimore, 669-676. - Yaeshima T, Fujisawa T, Mitsuoka T, 1992. Bifidobacterium globosum, subjective synonym of Bifidobacterium pseudolongum, and
description of Bifidobacterium pseudolongum subsp. pseudolongum comb. nov. and Bifidobacterium pseudolongum subsp.
globosum comb. nov. Syst Appl Microbiol 15, 380-385. - Biavati B, Scardovi V, Moore WEC, 1982. Electrophoretic patterns of proteins in the genus Bifidobacterium and proposal of four new
species. Int J Syst Bacteriol 32, 358-373.
Positive results for acid production from amygdalin, esculin, D-fructose, L-fucose, D-galactose, glucose, D-lactose, maltose,
D-mannose, melibiose, raffinose, D-ribose and sucrose.
Negative results for catalase, indole production, nitrate reduction, acid production from adonitol, L- and D-arabinose, dextran, dulcitol,
erythritol, D-fucose, gluconate, glycerol, inositol, alpha-methyl-D-mannoside, porcine gastric mucin, rhamnose, xylose and xylan.
Variable results for acid production from amylose, amylopectin, cellobiose, D-galactosamine, D-glucosamine, inulin, D-mannitol,
melezitose, pectin, salicin, D-sorbitol, starch and trehalose.
D-mannose, melibiose, raffinose, D-ribose and sucrose.
Negative results for catalase, indole production, nitrate reduction, acid production from adonitol, L- and D-arabinose, dextran, dulcitol,
erythritol, D-fucose, gluconate, glycerol, inositol, alpha-methyl-D-mannoside, porcine gastric mucin, rhamnose, xylose and xylan.
Variable results for acid production from amylose, amylopectin, cellobiose, D-galactosamine, D-glucosamine, inulin, D-mannitol,
melezitose, pectin, salicin, D-sorbitol, starch and trehalose.
(c) Costin Stoica
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