1992•Plant Physiology and BiochemistryRequires access
Composition of the cell wall polysaccharide produced by the unicellular red alga rhodella reticulata
Ofer Dubinsky, Bracha Simon, Yannis Karamanos, Shimona Geresh, Z. Barak, Shoshana Arad
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Abstract
The composition and heterogeneity of the cell-wall polysaccharide of the red alga Rhodella reticulata was studied by means of multi-step hydrolysis and charge fractionation. The polysaccharide was found to contain xylose, 3-O- methyl pentose, glucose, galactose, rhamnose, ribose, arabinose, 4-O-methylgalactose, mannose and glucuronic acid in the approximate proportions of 12.4:6.7:1:2.2:4:0.06:0.4:2.4:0.4:1.6, and traces of 2,4-dimethyl hexose. These results differ from those obtained from a single strong acidic hydrolysis performed in a previous study, mainly in the glucuronic acid and the two methylated sugars