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Báo cáo khoa học: Occurrence of glucosylsucrose [a-D-glucopyranosyl-(1fi2)-a-D-glucopyranosyl-(1fi2)-b-D-fructofuranoside] and glucosylated homologues in cyanobacteria Structural properties, cellular contents and possible function as thermoprotectants

Chia sẻ: Nguyen Thang | Ngày: | Loại File: PDF | Số trang:13

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Little is known about the structure and function of oligosaccharides in cyanobacteria. In this study, a new class of saccharides from Nostocwas identified by MS and NMR techniques, consisting of a-d-glucopyranosyl-(1fi2)-[a-d-glucopyranosyl-(1fi2)]n -b-d-fructofuranosides ranging from the trisaccharide (n¼1) to decasaccharide (n¼8). InNostoc ellipsosporumthe cell content of saccharides increased 10–20-fold after heat stress (1 day, 40C) or during prolonged cultivation.

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Nội dung Text: Báo cáo khoa học: Occurrence of glucosylsucrose [a-D-glucopyranosyl-(1fi2)-a-D-glucopyranosyl-(1fi2)-b-D-fructofuranoside] and glucosylated homologues in cyanobacteria Structural properties, cellular contents and possible function as thermoprotectants

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