Structural analysis of the O-antigenic polysaccharide from the enteropathogenic Escherichia coli O142

被引：12
作者：
Landersjo, C
Weintraub, A
Widmalm, G
机构：
[1] UNIV STOCKHOLM,ARRHENIUS LAB,DEPT ORGAN CHEM,S-10691 STOCKHOLM,SWEDEN
[2] HUDDINGE UNIV HOSP,KAROLINSKA INST,DEPT IMMUNOL MICROBIOL PATHOL & INFECT DIS,DIV CLIN BACTERIOL,S-14186 HUDDINGE,SWEDEN
来源：
EUROPEAN JOURNAL OF BIOCHEMISTRY | 1997年 / 244卷 / 02期
关键词：
enteropathogenic Escherichia coli; O-polysaccharide; structure; NMR;
D O I：
10.1111/j.1432-1033.1997.t01-1-00449.x
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 polysaccharide part of the lipopolysaccharide obtained from the enteropathogenic Escherichia coli O142 has been isolated, and its structure determined. Together with H-1-NMR and C-13-NMR spectroscopy, sugar and methylation analyses show that the polysaccharide is composed of repeating pentasaccharide units. Sequential information on the O-polysaccharide was obtained by two-dimensional NMR techniques, namely heteronuclear-multiple-bond-connectivity and NOESY experiments. The repeating unit of the O-polysaccharide of E. coli strain O142 has the following structure: [GRAPHICS]
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收藏
页码：449 / 453
页数：5
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