| Bifidobacterium vespertilionis |
Taxonomy
Morphology
Cultural characteristics
Biochemical characters
Ecology
Pathogenicity
References
Phylum Actinomycetota, Class Actinomycetes, Order Bifidobacteriales, Family Bifidobacteriaceae, Genus Bifidobacterium,
Bifidobacterium vespertilionis Modesto, Satti, Watanabe, Puglisi, Morelli, Huang, Liou, Miyashita, Tamura, Saito, Mori, Huang,
Sciavilla, Sandri, Spiezio, Vitali, Cavalieri, Perpetuini, Tofalo, Bonetti, Arita and Mattarelli, 2021.
Bifidobacterium vespertilionis Modesto, Satti, Watanabe, Puglisi, Morelli, Huang, Liou, Miyashita, Tamura, Saito, Mori, Huang,
Sciavilla, Sandri, Spiezio, Vitali, Cavalieri, Perpetuini, Tofalo, Bonetti, Arita and Mattarelli, 2021.
Gram-positive rods of various shapes and branched with ‘Y’ at both sides.
Non-motile. Non-spore-forming.
Non-motile. Non-spore-forming.
Colonies are white, opaque, smooth, 1-2 mm in diameter after 3 days of anaerobic
incubation on TPY agar or MRS agar supplemented with L-cysteine hydrochloride (0.5
g/l), acetic acid (1 ml/l) and mupirocin (0,1 g/l). Grows at 22-48 ºC, optimally at 37 ºC,
at pH 4.0-7.5 (optimally at pH 7.0). Non-haemolytic. Facultatively anaerobic.
incubation on TPY agar or MRS agar supplemented with L-cysteine hydrochloride (0.5
g/l), acetic acid (1 ml/l) and mupirocin (0,1 g/l). Grows at 22-48 ºC, optimally at 37 ºC,
at pH 4.0-7.5 (optimally at pH 7.0). Non-haemolytic. Facultatively anaerobic.
Isolated from faeces of Egyptian fruit bat Rousettus aegyptiacus.
Undetermined.
- Modesto M, Satti M, Watanabe K, Puglisi E, Morelli L, Huang C-H, Liou J-S, Miyashita M, Tamura T, Saito S, Mori K, Huang L, Sciavilla
P, Sandri C, Spiezio C, Vitali F, Cavalieri D, Perpetuini G, Tofalo R, Bonetti A, Arita M and Mattarelli P, 2019. Characterization of
Bifidobacterium species in faeces of the Egyptian fruit bat: Description of B. vespertilionis sp. nov. and B. rousetti sp. nov. Syst Appl
Microbiol 42: 126017.
Positive results for alanine arylamidase, alkaline phosphatase, arginine arylamidase, alpha-arabinosidase, arginine dihydrolase
(weak), alpha- and beta-galactosidase, alpha-glucosidase, beta-glucosidase (weak), glycine arylamidase, histidine arylamidase,
N-acetyl-beta-glucosaminidase, phenylalanine arylamidase, proline arylamidase, serine arylamidase, tyrosine arylamidase, urease,
acid production from: L-arabinose, D-fructose, D-galactose (weak), gluconate, D-glucose, 2- and 5-ketogluconate (weak), lactose,
maltose, D-mannitol, D-mannose (weak), methyl alpha-D-glucopyranoside (weak), raffinose, starch (weak), sucrose, turanose and
D-xylose.
Negative results for catalase, aesculin hydrolysis, alpha-fucosidase, indole production, leucine arylamidase, nitrate reduction,
oxidase, acid production from: D-adonitol, amygdalin, D-arabinose, arbutin, cellobiose, dulcitol, aesculin, L- and D-fucose,
gentibiose, glycogen, glycerol, inositol, inulin, D-lyxose, melezitose, melibiose, methyl alpha-D-mannopyranoside, methyl
beta-D-xylopyranoside, N-acetylglucosamine, L-rhamnose, D-ribose, salicin, D-sorbitol, L-sorbose, trehalose, L-xylose and the other
API 50 CHL tests.
(weak), alpha- and beta-galactosidase, alpha-glucosidase, beta-glucosidase (weak), glycine arylamidase, histidine arylamidase,
N-acetyl-beta-glucosaminidase, phenylalanine arylamidase, proline arylamidase, serine arylamidase, tyrosine arylamidase, urease,
acid production from: L-arabinose, D-fructose, D-galactose (weak), gluconate, D-glucose, 2- and 5-ketogluconate (weak), lactose,
maltose, D-mannitol, D-mannose (weak), methyl alpha-D-glucopyranoside (weak), raffinose, starch (weak), sucrose, turanose and
D-xylose.
Negative results for catalase, aesculin hydrolysis, alpha-fucosidase, indole production, leucine arylamidase, nitrate reduction,
oxidase, acid production from: D-adonitol, amygdalin, D-arabinose, arbutin, cellobiose, dulcitol, aesculin, L- and D-fucose,
gentibiose, glycogen, glycerol, inositol, inulin, D-lyxose, melezitose, melibiose, methyl alpha-D-mannopyranoside, methyl
beta-D-xylopyranoside, N-acetylglucosamine, L-rhamnose, D-ribose, salicin, D-sorbitol, L-sorbose, trehalose, L-xylose and the other
API 50 CHL tests.
(c) Costin Stoica
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