Structure of a teichoic acid-like O-polysaccharide of Escherichia coli O29

被引：21

作者：

Perepelov, Andrei V. ^{[1
]}

Wang, Quan

Senchenkova, Sof'ya N.

Shevelev, Sergel D.

Zhao, Guang

Shashkov, Alexander S.

Feng, Lu

Knirel, Yuriy A.

Wang, Lei

机构：

[1] Russian Acad Sci, ND Zelinsky Inst Organ Chem, Moscow 119991, Russia

[2] Nankai Univ, TEDA Sch Biol Sci & Biotechnol, Tianjin 300457, Peoples R China

[3] Nankai Univ, TEDA Coll, Tianjin Key Lab Microbial Funct Genom, Tianjin 300457, Peoples R China

来源：

CARBOHYDRATE RESEARCH | 2006年 / 341卷 / 12期

基金：

俄罗斯基础研究基金会;

关键词：

Escherichia coli; O-polysaccharide; O-antigen; bacterial polysaccharide structure; glycerol phosphate; NMR;

D O I：

10.1016/j.carres.2006.05.016

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 [生物化学与分子生物学]; 081704 [应用化学];

摘要：

A teichoic acid-like O-polysaccharide was isolated by mild acid degradation. of the lipopolysaccharide (LPS) of Escherichia coli O29. The O-polysaccharide and an oligosaccharide obtained by dephosphorylation of the O-polysaccharide were studied by sugar analysis along with H-1 and C-13 NMR spectroscopy. The following structure of the branched oligosaccharide repeating unit, containing five monosaccharide residues and glycerol 1-phosphate (D-Gro-1-P), was established: alpha-D-Glcp-(1 -> 6)-alpha-D-Galp 1 down arrow 3 -> 6)-beta-D-Glcp-(1 -> 4)-alpha-L-FucpNAc-(1 -> 3)-beta-D-GLcpNAc-(1 -> 3)-D-Gro-1-P-(O -> (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：2176 / 2180

页数：5

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