Structure of the O-polysaccharide of Cronobacter sakazakii O2 with a randomly O-acetylated L-rhamnose residue

被引：38

作者：

Arbatsky, Nikolay P. ^{[1
]}

Wang, Min ^{[2
,3
]}

Shashkov, Alexander S. ^{[1
]}

Chizhov, Alexander O. ^{[1
]}

Peng, Lu ^{[2
,3
]}

Knirel, Yuriy A. ^{[1
]}

Wang, Lei ^{[2
,3
]}

机构：

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

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

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

来源：

CARBOHYDRATE RESEARCH | 2010年 / 345卷 / 14期

基金：

俄罗斯基础研究基金会;

关键词：

Cronobacter sakazakii; O-Antigen; Lipopolysaccharide; Bacterial polysaccharide structure; POWDERED INFANT FORMULA; DUBLINENSIS SP-NOV; ENTEROBACTER-SAKAZAKII; ESCHERICHIA-COLI; PROPOSAL; GENUS; MILK;

D O I：

10.1016/j.carres.2010.07.014

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

070307 [化学生物学]; 071010 [生物化学与分子生物学];

摘要：

Studies by sugar analysis and partial acid hydrolysis along with one- and two-dimensional H-1 and C-13 NMR spectroscopy and high-resolution ESI MS showed that the O-polysaccharide (O-antigen) Cronobacter sakazakii ATCC 29004 (serotype O2) possesses a branched hexasaccharide O-unit with a randomly mono-O-acetylated terminal rhamnose residue in the side chain and the following structure: alpha-D-GalpA-(1 <- 4)-alpha-L-Rhap-(2,3 or 4-Ac (totally similar to 70%) 1 down arrow 2 -> 3)-alpha-L-Rhap-(1 -> 4)-alpha-D-Glcp-(1 -> 2)-alpha-L-Rhap-(1 -> 3)-beta-D-GlcpNAc-(1 -> A similar structure has been reported for the O-polysaccharide of C sakazakii 767, which differs in the presence of an additional lateral alpha-D-Glcp residue on GlcNAc and the pattern of O-acetylation (Czerwicka, M., Forsythe, S. J.; Bychowska, Dziadziuszko, H.; Kunikowska, D.; Stepnowski, P.; Kaczynski, Z. Carbo-hydr. Res. 2010, 345, 908-913). (C) 2010 Elsevier Ltd. All rights reserved.

引用

页码：2090 / 2094

页数：5

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