STRUCTURE OF A SURFACE POLYSACCHARIDE FROM ACINETOBACTER-BAUMANNII STRAIN-214

被引:19
|
作者
HASELEY, SR [1 ]
GALBRAITH, L [1 ]
WILKINSON, SG [1 ]
机构
[1] UNIV HULL,SCH CHEM,KINGSTON HULL HU6 7RX,N HUMBERSIDE,ENGLAND
关键词
D O I
10.1016/0008-6215(94)84086-5
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
A polysaccharide containing D-galactose, D-glucose, and 2-acetamido-2-deoxy-D-galactose was obtained from an aqueous phenol extract of isolated cell walls from Acinetobacter baumannii strain 214. By means of NMR studies and chemical degradations, the repeating unit of the polymer was identified as a branched trisaccharide of the structure shown. [GRAPHICS] ysate. The oligosaccharides were analyzed by NMR and SIMS and identified as di- and tri-saccaharides having O-(4-deoxy-L-elythro-hex-4-enopyranosyluronic acid)-1 --> at the nonreducing terminus. The trisaccharides from the lysate were found to have root growth-promoting activity in a barley bioassay.
引用
收藏
页码:199 / 206
页数:8
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