The structure of the exocellular polysaccharide from the cyanobacterium Cyanospira capsulata

被引:28
作者
Garozzo, D
Impallomeni, G
Spina, E
Sturiale, L
机构
[1] CNR, Ist Chim & Tecnol Mat Polimerici, I-95125 Catania, Italy
[2] Univ Catania, Dipartimento Sci Chim, I-95125 Catania, Italy
关键词
Cyanospira capsulata; cyanobacterium; blue-green algae; exopolysaccharide; structure; 4-O-(1-carboxyethyl)mannose;
D O I
10.1016/S0008-6215(98)00036-6
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
The exocellular polysaccharide produced by the cyanobacterium Cyanospira capsulata has been subjected to partial acid hydrolysis and N-deacetylation-nitrous acid deamination. The oligosaccharides released have been isolated by weak anion exchange and aqueous size exclusion chromatography, and characterized by a combination of 1D and 2D nuclear magnetic resonance spectroscopy, mass spectrometry, sugar compostion and linkage analyses. The polysaccharide has an octasaccharide repeating unit with the following structure: [GRAPHICS] (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:113 / 124
页数:12
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