Isolement et étude structurale de glucanes de Phytophthora parasitica

作者: Isabelle FABRE , Maud BRUNETEAU , Pierre RICCI , et Georges MICHEL

DOI: 10.1111/J.1432-1033.1984.TB08255.X

关键词:

摘要: Several polysaccharides have been isolated from the cell walls of Phytophthora parasitica, a phytopathogenic fungus carnation. The crude were fractionated by successive chromatographies on DEAE-cellulose, Sephadex G-25, concanavalin-A-Sepharose and G-200 columns. neutral consist mixture beta(1----3, 1----6)-D-glucans whose relative molecular masses varied 9000 to about 200 000. All these main chain beta(1----3)-linked D-glucose residues. They differ presence 1----6 branched chains consisting D-Glc-(1----3)-D-Glc, for lowest mass or D-Glc-(1----3)-D-Glc-(1---3)-D-Glc highest polysaccharides.

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