| Bifidobacterium italicum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium italicum Lugli, Mangifesta, Duranti, Anzalone, Milani, Mancabelli, Alessandri, Turroni, Ossiprandi, van Sinderen and
Ventura 2018.
Bifidobacterium italicum Lugli, Mangifesta, Duranti, Anzalone, Milani, Mancabelli, Alessandri, Turroni, Ossiprandi, van Sinderen and
Ventura 2018.
Gram-positive, small rods. Non-spore-forming. Non-motile.
Colonies are white, 1.0-2.5 mm in diameter on MRS agar after 48 h of anaerobic
incubation at 37 ºC. Grows at temperature 25-42 ºC (optimum 30-40 ºC), pH 3.5-6.0
(optimum pH 6.0). Facultatively anaerobic.
incubation at 37 ºC. Grows at temperature 25-42 ºC (optimum 30-40 ºC), pH 3.5-6.0
(optimum pH 6.0). Facultatively anaerobic.
Isolated from the a faecal sample of an European rabbit (Oryctolagus cuniculus).
Undetermined.
- Lugli GA, Mangifesta M, Duranti S, Anzalone R, Milani C, Mancabelli R, Alessandri G, Turroni F, Ossiprandi MC, van Sinderen D and
Ventura M, 2018. Phylogenetic classification of six novel species belonging to the genus Bifidobacterium comprising
Bifidobacterium anseris sp. nov., Bifidobacterium criceti sp. nov., Bifidobacterium imperatoris sp. nov., Bifidobacterium italicum sp.
nov., Bifidobacterium margollessi sp. nov. and Bifidobacterium parmae sp. nov. Syst Appl Microbiol 41: 173-183.
Positive results for alpha-arabinosidase, alkaline phosphatase, arginine arylamidase,
arginine dihydrolase, alpha-galactosidase (weakly), alpha-glucosidase (weakly), beta-glucuronidase, serine arylamidase (weakly),
acid production from D-galactose (weakly), D-glucose, glycogen (weakly), inulin (weakly), D-lactose (weakly), D-mannitol (weakly),
maltose, D-mannose (weakly), melibiose, N-acetylglucosamine (weakly), raffinose (weakly), D-ribose (weakly), D-sorbitol (weakly),
starch (weakly), sucrose (weakly), trehalose (weakly) and D-turanose (weakly).
Negative results for beta-glucosidase, N-acetyl-beta-glucosaminidase, acid production from L-arabinose, cellobiose, D- and L-fucose,
D-fructose, rhamnose and D-xylose.
arginine dihydrolase, alpha-galactosidase (weakly), alpha-glucosidase (weakly), beta-glucuronidase, serine arylamidase (weakly),
acid production from D-galactose (weakly), D-glucose, glycogen (weakly), inulin (weakly), D-lactose (weakly), D-mannitol (weakly),
maltose, D-mannose (weakly), melibiose, N-acetylglucosamine (weakly), raffinose (weakly), D-ribose (weakly), D-sorbitol (weakly),
starch (weakly), sucrose (weakly), trehalose (weakly) and D-turanose (weakly).
Negative results for beta-glucosidase, N-acetyl-beta-glucosaminidase, acid production from L-arabinose, cellobiose, D- and L-fucose,
D-fructose, rhamnose and D-xylose.
(c) Costin Stoica
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