| Bifidobacterium coryneforme |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium coryneforme (Scardovi and Trovatelli 1969) Biavati, Scardovi and Moore, 1982.
Heterotypic synonym: Bifidobacterium indicum Scardovi and Trovatelli 1969.
Bifidobacterium coryneforme (Scardovi and Trovatelli 1969) Biavati, Scardovi and Moore, 1982.
Heterotypic synonym: Bifidobacterium indicum Scardovi and Trovatelli 1969.
Short, corynebacteria-like cells, 0.7-1.2 x 0.9-3.0 µm, coccoid, oval or club-shaped
rods, sometimes with short branches or simple knobs, occurring singly, in pairs and
in clumps.
rods, sometimes with short branches or simple knobs, occurring singly, in pairs and
in clumps.
Colonies are similar with those of B. asteroides and B. indicum: convex, smooth, with
entire edge, translucent to semiopaque, grayish white, shiny, punctiform to 1 mm in
diameter on blood agar incubated anaerobically 2 days at 37 ºC. Grows at 20-42 ºC
(optimally at 37 ºC) and at pH 5-9 (optimally at pH 6) In broth with a fermentable
carbohydrate produce dense turbidity and a smooth or cottony dispersible sediment.
Good growth in MRS medium. Strictly anaerobic.
entire edge, translucent to semiopaque, grayish white, shiny, punctiform to 1 mm in
diameter on blood agar incubated anaerobically 2 days at 37 ºC. Grows at 20-42 ºC
(optimally at 37 ºC) and at pH 5-9 (optimally at pH 6) In broth with a fermentable
carbohydrate produce dense turbidity and a smooth or cottony dispersible sediment.
Good growth in MRS medium. Strictly anaerobic.
Isolated from the intestine of the honey bees Apis mellifera subsp. mellifera and Apis mellifera subsp. caucasica.
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. - 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. - Killer J, Kopecny J, Mrazek J, Koppova I, Havlik J, Benada O and Kott T, 2011. Bifidobacterium actinocoloniiforme sp. nov. and
Bifidobacterium bohemicum sp. nov., from the bumblebee digestive tract. Int J Syst Evol Microbiol 61, 1315-1321. - Chen J, Wang J, Zheng H, 2021. Characterization of Bifidobacterium apousia sp. nov., Bifidobacterium choladohabitans sp. nov.,
and Bifidobacterium polysaccharolyticum sp. nov., three novel species of the genus Bifidobacterium from honey bee gut. Syst Appl
Microbiol 44, 126247.
Positive results for arginine arylamidase, alanine arylamidase, alpha-arabinosidase, alpha- and beta-galactosidase, alpha- and beta-
glucosidase, glycine arylamidase, histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase,
serine arylamidase, tyrosine arylamidase, acid production from amygdalin, arbutin, L-arabinose, esculin, D-fructose, D-
galactosamine, D-galactose, D-glucose, D-glucosamine, gentiobiose, D-maltose, melibiose, raffinose, D-ribose, salicin, and
sucrose.
Negative results for alkaline phosphatase, arginine dihydrolase, alanine arylamidase, catalase, alpha-fucosidase, beta-
glucuronidase, indole production, nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase, pyroglutamic acid arylamidase, urease,
acid production from D-adonitol, amylopectin, amylose, D- and L-arabitol, dulcitol, dextran, erythritol, D- and L-fucose, glycerol,
glucuronate, inulin, inositol, 2- and 5-ketogluconate, D-lyxose, D-mannitol, mannose, melezitose, methyl alpha-D-glucopyranoside,
methyl alpha-D-mannopyranoside, methyl beta-D-xylopyranoside, N-acetylglucosamine, porcine gastric mucin, rhamnose, L-
sorbose, starch, trehalose, tagatose, turanose, xylan, and xylitol.
Variable results for acid production from cellobiose, gluconate, D-lactose, pectin, D-sorbitol (weak), and xylose.
glucosidase, glycine arylamidase, histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase,
serine arylamidase, tyrosine arylamidase, acid production from amygdalin, arbutin, L-arabinose, esculin, D-fructose, D-
galactosamine, D-galactose, D-glucose, D-glucosamine, gentiobiose, D-maltose, melibiose, raffinose, D-ribose, salicin, and
sucrose.
Negative results for alkaline phosphatase, arginine dihydrolase, alanine arylamidase, catalase, alpha-fucosidase, beta-
glucuronidase, indole production, nitrate reduction, N-acetyl-beta-glucosaminidase, oxidase, pyroglutamic acid arylamidase, urease,
acid production from D-adonitol, amylopectin, amylose, D- and L-arabitol, dulcitol, dextran, erythritol, D- and L-fucose, glycerol,
glucuronate, inulin, inositol, 2- and 5-ketogluconate, D-lyxose, D-mannitol, mannose, melezitose, methyl alpha-D-glucopyranoside,
methyl alpha-D-mannopyranoside, methyl beta-D-xylopyranoside, N-acetylglucosamine, porcine gastric mucin, rhamnose, L-
sorbose, starch, trehalose, tagatose, turanose, xylan, and xylitol.
Variable results for acid production from cellobiose, gluconate, D-lactose, pectin, D-sorbitol (weak), and xylose.
(c) Costin Stoica
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