Polysaccharides of calcareous algae and their effect on calcification process |
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Authors: | Bilan M I Usov A I |
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Institution: | Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, GSP-1 Moscow, 117913 Russia. |
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Abstract: | The composition and structure of polysaccharides from several groups of calcareous algae (including calcareous cyanobacteria), which differ in the calcification mode (extracellular, cell wall, or intracellular), are reviewed. Two families of marine algae, Corallinaceae (Rhodophyta) and Cocolithophoraceae (Prymnesiophyta = Haptophyta), are considered in detail; they exhibit the cell wall and intracellular calcification modes, respectively, and synthesize unusual polysaccharides that seem to directly participate in the calcification process. |
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