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Cyclic (1----2)-beta-D-glucans (cyclosophorans) produced by Agrobacterium and Rhizobium species
1Department of Agricultural Chemistry, Faculty of Bioresources, Mie University, Tsu, Japan.
Carbohydrate Research
|July 2, 1992
Abstract:
Neutral and acidic cyclic (1----2)-beta-D-glucans (cyclosophorans), obtained from culture filtrates and cells of Agrobacterium and Rhizobiun, are synthesised on the cell surface and then secreted. Eight cyclosophorans with dp 17-24 were isolated; all of the strains of Agrobacterium showed almost the same distribution pattern, whereas there were three other distribution patterns for the strains of Rhizobium.