| Bifidobacterium choerinum |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium choerinum Scardovi, Trovatelli, Biavati and Zani 1979.
Bifidobacterium choerinum Scardovi, Trovatelli, Biavati and Zani 1979.
Gram-positive spindle- or lemon-shaped cells, 1.5-7 µm in length, with irregular
contours, occur singly or in pairs, and some cells with enlarged extremities occur in
starlike aggregates . Non-motile. Non-spore-forming.
contours, occur singly or in pairs, and some cells with enlarged extremities occur in
starlike aggregates . Non-motile. Non-spore-forming.
Colonies are smooth, convex, entire margins, cream to white, glistening, soft
consistency. Grows at temperature 27-45 ºC (optimum 37-42.5 ºC), pH 6.2-7.6
(optimum pH 6.5-7.3); variable growth at pH 5.2; no growth at pH 8.5. Anaerobic.
consistency. Grows at temperature 27-45 ºC (optimum 37-42.5 ºC), pH 6.2-7.6
(optimum pH 6.5-7.3); variable growth at pH 5.2; no growth at pH 8.5. Anaerobic.
Isolated from feces of suckling piglets and from sewage.
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, Trovatelli B, Biavati B, and Zani G, 1979. Bifidobacterium cuniculi, Bifidobacterium choerinum, Bifidobacterium boum
and Bifidobacterium pseudocatenulatum: four new species and their deoxyribonucleic acid homology relationships. Int J Syst
Bacteriology 29(4), 291-311. - 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. - Modesto M, Satti M, Watanabe K, Huang CH, Liou JS, Tamura T, Saito S, Mori K, Huang L, Sandri C, Spiezio C, Sgorbati B, Scarafile
D, Camma C, Ancora M, Patavino C , Arita M and Mattarelli P, 2020. Bifidobacteria in two-toed sloths (Chloepus didactylus):
phylogenetic characterization of the novel taxon Bifidobacterium choloepi. Int J Syst Evol Microbiol 70, 6115-6125.
Positive results for alkaline phosphatase, arginine arylamidase, N-acetyl-beta-glucosaminidase (weak), proline arylamidase, serine
arylamidase, Voges-Proskauer test, acid production from: amylopectin, amylose, dextrin, aesculin, D-galactosamine, D-galactose,
D-glucose, glycogen, D-lactose, maltose, melibiose, raffinose, D-ribose, starch, sucrose, turanose (weak) and L-xylose (weak).
Negative results for alanine arylamidase, alpha-arabinosidase, catalase, alpha-fucosidase, alpha- and beta-glucosidase,
beta-glucuronidase, gelatin liquefaction, glycine arylamidase, histidine arylamidase, indole production, leucine arylamidase, nitrate
reduction, phenylalanine arylamidase, tyrosine arylamidase, urease, acid production from: D-adonitol, amygdalin, arbutin, D- and
L-arabinose, D- and L-arabitol, cellobiose, dulcitol, erythritol, D- and L-fucose, gluconate, D-glucuronate, glycerol, gentibiose,
gluconate, 2- and 5-ketogluconate, inositol, D-lyxose, melezitose, methyl-alpha-D-glucopyranoside, methyl-alpha-D-mannopyranoside,
methyl-beta-D-xylopyranoside, pectin, porcine gastric mucin, rhamnose, salicin, L-sorbose, D-tagatose, xylitol and xylan.
Ammonia is not produced from urea or arginine.
Variable results for alpha- and beta-galactosidase, fermentation of: D-fructose, inulin, D-mannitol, D-mannose,
N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, D-sorbitol, trehalose, and D-xylose.
arylamidase, Voges-Proskauer test, acid production from: amylopectin, amylose, dextrin, aesculin, D-galactosamine, D-galactose,
D-glucose, glycogen, D-lactose, maltose, melibiose, raffinose, D-ribose, starch, sucrose, turanose (weak) and L-xylose (weak).
Negative results for alanine arylamidase, alpha-arabinosidase, catalase, alpha-fucosidase, alpha- and beta-glucosidase,
beta-glucuronidase, gelatin liquefaction, glycine arylamidase, histidine arylamidase, indole production, leucine arylamidase, nitrate
reduction, phenylalanine arylamidase, tyrosine arylamidase, urease, acid production from: D-adonitol, amygdalin, arbutin, D- and
L-arabinose, D- and L-arabitol, cellobiose, dulcitol, erythritol, D- and L-fucose, gluconate, D-glucuronate, glycerol, gentibiose,
gluconate, 2- and 5-ketogluconate, inositol, D-lyxose, melezitose, methyl-alpha-D-glucopyranoside, methyl-alpha-D-mannopyranoside,
methyl-beta-D-xylopyranoside, pectin, porcine gastric mucin, rhamnose, salicin, L-sorbose, D-tagatose, xylitol and xylan.
Ammonia is not produced from urea or arginine.
Variable results for alpha- and beta-galactosidase, fermentation of: D-fructose, inulin, D-mannitol, D-mannose,
N-acetyl-D-galactosamine, N-acetyl-D-glucosamine, D-sorbitol, trehalose, and D-xylose.
(c) Costin Stoica
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