Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium parmae Lugli, Mangifesta, Duranti, Anzalone, Milani, Mancabelli, Alessandri, Turroni, Ossiprandi, van Sinderen and
Ventura 2018.
Gram-positive rods with a branched or Y-shape (bifid-morphology).
Non-spore-forming. Non-motile.
Colonies are white, 1.0-2.0 mm in diameter on MRS agar after 48 h of anaerobic
incubation at 37 ºC. Grows at temperature 25-42 ºC (optimum 35-42 ºC), pH 4.0-6.0
(optimum pH 5.0-6.0). Facultatively anaerobic.
Isolated from the stool sample of a pygmy marmoset (Callithrix pygmaea).
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 alkaline phosphatase, alpha-arabinosidase, arginine arylamidase, beta-galactosidase (weakly),
beta-glucuronidase (weakly), serine arylamidase (weakly), acid production from cellobiose, D-fructose, D-galactose, D-glucose,
glycogen, inulin, D-lactose, maltose, D-mannitol, D-mannose, melibiose, N-acetylglucosamine, raffinose, rhamnose, D-ribose,
D-sorbitol, starch, sucrose, trehalose, D-turanose and D-xylose.
Negative results for arginine dihydrolase,alpha-galactosidase, alpha- and beta-glucosidase, and N-acetyl-beta-glucosaminidase.
Variable and weak acid production from L-arabinose D- and L-fucose.
(c) Costin Stoica