Bifidobacterium β-Glucosidase Activity and Fermentation of Dietary Plant Glucosides Is Species and Strain Specific
作者： Nikol Modrackova , Eva Vlkova , Vaclav Tejnecky , Clarissa Schwab , Vera Neuzil-Bunesova
DOI: 10.3390/MICROORGANISMS8060839
关键词: Glycoside hydrolase 、 Bifidobacterium 、 Glucoside 、 Bioavailability 、 Arbutin 、 Chemistry 、 Food science 、 Antibacterial activity 、 Energy source 、 Fermentation
摘要: Dietary plant glucosides are phytochemicals whose bioactivity and bioavailability can be modified by glucoside hydrolase activity of intestinal microbiota through the release acylglycones. Bifidobacteria gut commensals genomic potential indicates host-adaption as they possess a diverse set glycosyl hydrolases giving access to variety dietary glycans. We hypothesized bifidobacteria with β-glucosidase could use fermentation substrate tested 115 strains assigned eight different species from hosts for their express β-glucosidases ability grow in presence esculin, amygdalin, arbutin. Concurrently, antibacterial arbutin its acylglycone hydroquinone was investigated. Beta-glucosidase specific most prevalent occurring human adults animal hosts. Utilization profiles differed between might provide competitive benefit enabling energy sources. Bifidobacterial increase acylglycone.
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