ISOLATION AND CHARACTERIZATION OF ALGINATE-DERIVED OLIGOSACCHARIDES WITH ROOT GROWTH-PROMOTING ACTIVITIES

被引：116

作者：

NATSUME, M ^{[1
]}

KAMO, Y ^{[1
]}

HIRAYAMA, M ^{[1
]}

ADACHI, T ^{[1
]}

机构：

[1] MEIJI SEIKA KAISHA LTD,BIOSCI LABS,SAKADO,SAITAMA 35002,JAPAN

来源：

CARBOHYDRATE RESEARCH | 1994年 / 258卷

关键词：

D O I：

10.1016/0008-6215(94)84085-7

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：

Lytic digestion of poly(mannuronate), poly(guluronate), and alginate with an alginate lyase from Alteromonas macleodii was used to prepare mixtures of unsaturated oligosaccharides. Four oligosaccharides isolated from the alginate lyase-lysate by anion-exchange chromatography on Q-Sepharose were found to be the major components of the root growth-promoting lysate. 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

页码：187 / 197

页数：11

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