ANALYSIS OF GLYCOSPHINGOLIPIDS BY FLUOROPHORE-ASSISTED CARBOHYDRATE ELECTROPHORESIS USING CERAMIDE GLYCANASE FROM MERCENARIA-MERCENARIA

被引:24
作者
BASU, SS [1 ]
DASTGHEIBHOSSEINI, S [1 ]
HOOVER, G [1 ]
LI, ZX [1 ]
BASU, S [1 ]
机构
[1] UNIV NOTRE DAME,DEPT CHEM & BIOCHEM,NOTRE DAME,IN 46556
关键词
D O I
10.1006/abio.1994.1484
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
Polyacrylamide gel electrophoresis of fluorophore-labeled saccharides is a simple and sensitive separation method for glycan analysis. This method requires an aldehydic reducing carbon on the saccharide in order to react with the amine group of the fluorophore (8-aminonaphthalene- 1,3,6-trisulfonic acid or 2-aminoacridone). We have used exoglycosidase-free ceramide glycanase from hard-shelled clam to expose the reducing terminal of the glycan in glycosphingolipid by cleaving the linkage between the glycan and the ceramide. The released glycan was used for fluorophore-assisted carbohydrate electrophoresis, in order to qualitatively determine its monosaccharide composition, chain length, and glycosidic linkages using linkage-specific glycosidases, including a beta 1-3,4 galactosidase from clam. (C) 1994 Academic Press, Inc.
引用
收藏
页码:270 / 274
页数:5
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