| Bifidobacterium magnum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium magnum Scardovi and Zani 1974.
Bifidobacterium magnum Scardovi and Zani 1974.
Gram-positive long, thick, irregular rods, 2/10-20 µm, occurring in aggregates; long
branches are common and some cells have tapered ends or are spindle shaped.
Non-motile. Non-spore-forming.
branches are common and some cells have tapered ends or are spindle shaped.
Non-motile. Non-spore-forming.
Colonies are raised with elevated central area, whitish to gray, opaque and soft.
Tween 80 is stimulatory. Growth temperature 28-43 ºC, optimum 37-39 ºC. Optimum
pH range is 5.3-5.5; not growing at pH 4.2 and 7.0. Anaerobic.
Tween 80 is stimulatory. Growth temperature 28-43 ºC, optimum 37-39 ºC. Optimum
pH range is 5.3-5.5; not growing at pH 4.2 and 7.0. Anaerobic.
Isolated from feces of adult rabbits.
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. - Scardovi V, and Zani G, 1974. Bifidobacterium magnum sp. nov., a large, acidophilic Bifidobacterium isolated from rabbit feces. Int J
Syst Bacteriol 24(1), 29-34.
Positive results for acid production from L-arabinose, D-fructose, D-galactose, D-glucose, D-glucosamine, D-lactose, maltose,
melibiose, raffinose, D-ribose, sucrose and D-xylose.
Negative results for ammonia production from urea or arginine, catalase, gelatin liquefaction, indole production, nitrate reduction,
Voges-Proskauer test acid production from cellobiose, dextrin, D- and L-fucose, gluconate, D-glucuronate, glycerol, inulin,
D-mannitol, D-mannose, melezitose, pectin, porcine gastric mucin, rhamnose, salicin, D-sorbitol, starch, trehalose and xylan.
Variable results for acid production from amylopectin, amylose and D-galactosamine.
melibiose, raffinose, D-ribose, sucrose and D-xylose.
Negative results for ammonia production from urea or arginine, catalase, gelatin liquefaction, indole production, nitrate reduction,
Voges-Proskauer test acid production from cellobiose, dextrin, D- and L-fucose, gluconate, D-glucuronate, glycerol, inulin,
D-mannitol, D-mannose, melezitose, pectin, porcine gastric mucin, rhamnose, salicin, D-sorbitol, starch, trehalose and xylan.
Variable results for acid production from amylopectin, amylose and D-galactosamine.
(c) Costin Stoica
| Antibiogram |
| Encyclopedia |
| Culture media |
| Biochemical tests |
| Stainings |
| Images |
| Movies |
| Articles |
| Identification |
| Software |
| R E G N U M PROKARYOTAE |
| Back |
