| Bifidobacterium hapali |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum “Actinobacteria”, Class Actinobacteria, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium hapali Michelini, Oki, Yanokura, Shimakawa, Modesto, Mattarelli, Biavati and Watanabe, 2016.
Bifidobacterium hapali Michelini, Oki, Yanokura, Shimakawa, Modesto, Mattarelli, Biavati and Watanabe, 2016.
Gram-positive rods of various shapes, forming a branched structure with a ‘Y’ at the
end. Non-motile. Asporogenous.
end. Non-motile. Asporogenous.
Colonies are white, smooth, opaque, 1.5-2.5 mm in diameter after 2 days of
anaerobic incubation on TPY agar. Non-haemolytic. Optimum growth temperature 37
ºC; range 25-42 ºC. No growth at 20 or 44 ºC. Grows at pH 4.5-7.5. Survive under
microaerophilic conditions.
anaerobic incubation on TPY agar. Non-haemolytic. Optimum growth temperature 37
ºC; range 25-42 ºC. No growth at 20 or 44 ºC. Grows at pH 4.5-7.5. Survive under
microaerophilic conditions.
Isolated from faeces of common marmoset (Callithrix jacchus).
Undetermined.
- Michelini S, Oki K, Yanokura E, Shimakawa Y, Modesto M, Mattarelli P, Biavati B and Watanabe K, 2016. Bifidobacterium myosotis
sp. nov., Bifidobacterium tissieri sp. nov. and Bifidobacterium hapali from the faeces of baby common marmoset (Callithrix
jacchus). Int J Syst Evol Microbiol 66, 255-265.
Description is based mostly on API 50CH and API Rapid ID32 (bioMerieux) results.
Positive results for alanine arylamidase, alkaline phosphatase, arginine dihydrolase, arginine arylamidase, aesculin hydrolysis,
glycine arylamidase, histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase, serine
arylamidase, tyrosine arylamidase, urease, acid production from L-arabinose, cellobiose, D-fructose, D-glucose, lactose, maltose,
D-mannose, raffinose and sucrose.
Negative results for alpha-arabinosidase, catalase, alpha-chymotrypsin, cysteine arylamidase, alpha-fucosidase, alpha- and
beta-galactosidase, alpha- and beta-glucosidase, beta-glucuronidase, indole production, lipase, nitrates reduction,
N-acetyl-beta-glucosaminidase, oxidase, valine arylamidase, acid production from D-adonitol, amygdalin, D-arabinose, D and
L-arabitol, arbutin, dulcitol, erythritol, D-fucose, D-galactose, gentibiose, gluconate, 2- and 5-ketogluconate, inositol, inulin, D-lyxose,
D-mannitol, melibiose, methyl alpha-D-glucopyranoside, methyl alpha-D-manopyranoside, N-acetylglucosamine, rhamnose,
D-ribose, D-sorbitol, L-sorbose, starch, D-tagatose, trehalose, turanose, xylitol and L-xylose.
Variable results for acid production from glycerol, glycogen, melezitose, methyl beta-D-xylopyranoside, salicin and D-xylose.
Positive results for alanine arylamidase, alkaline phosphatase, arginine dihydrolase, arginine arylamidase, aesculin hydrolysis,
glycine arylamidase, histidine arylamidase, leucine arylamidase, phenylalanine arylamidase, proline arylamidase, serine
arylamidase, tyrosine arylamidase, urease, acid production from L-arabinose, cellobiose, D-fructose, D-glucose, lactose, maltose,
D-mannose, raffinose and sucrose.
Negative results for alpha-arabinosidase, catalase, alpha-chymotrypsin, cysteine arylamidase, alpha-fucosidase, alpha- and
beta-galactosidase, alpha- and beta-glucosidase, beta-glucuronidase, indole production, lipase, nitrates reduction,
N-acetyl-beta-glucosaminidase, oxidase, valine arylamidase, acid production from D-adonitol, amygdalin, D-arabinose, D and
L-arabitol, arbutin, dulcitol, erythritol, D-fucose, D-galactose, gentibiose, gluconate, 2- and 5-ketogluconate, inositol, inulin, D-lyxose,
D-mannitol, melibiose, methyl alpha-D-glucopyranoside, methyl alpha-D-manopyranoside, N-acetylglucosamine, rhamnose,
D-ribose, D-sorbitol, L-sorbose, starch, D-tagatose, trehalose, turanose, xylitol and L-xylose.
Variable results for acid production from glycerol, glycogen, melezitose, methyl beta-D-xylopyranoside, salicin and D-xylose.
(c) Costin Stoica
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