Phenols from Fagus sylvatica and their role in defence against Cryptococcus fagisuga

被引：65

作者：

Dubeler, A

Voltmer, G

Gora, V

Lunderstadt, J

Zeeck, A

机构：

[1] UNIV GOTTINGEN,INST ORGAN CHEM,D-37077 GOTTINGEN,GERMANY

[2] UNIV GOTTINGEN,INST FORSTZOOL,D-37077 GOTTINGEN,GERMANY

来源：

PHYTOCHEMISTRY | 1997年 / 45卷 / 01期

关键词：

Fagus sylvatica; Fagaceae; European beech; Cryptococcus fagisuga; beech scale; flavanone glycosides; monolignol glucosides; beech bark disease; defence mechanism;

D O I：

10.1016/S0031-9422(96)00771-6

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：

In extracts of inner and outer bark of Fagus sylvatica, qualitative dependence of the phenolic composition on infection with Cryptococcus fagisuga feeding in the parenchyma tissue was observed. The seven major compounds were isolated and completely assigned, mainly by two-dimensional NMR techniques. Highest concentrations of (2R,3R)-(+)-glucodistylin, (2S,3S)-(-)-glucodistylin and 3-O-(beta-D-xylopyranbsyl)taxifolin occur in European beeches strongly infested with beech scale The concentration of cis-coniferin was lowered after attack, while the concentrations of catechin, cis-isoconiferin and cis-syringin remained unaffected. The changes are discussed as a defence reaction. (C) 1997 Elsevier Science Ltd.

引用

页码：51 / 57

页数：7

共 28 条

[1] INHIBITION OF AGGREGATION AND SECRETION OF HUMAN-PLATELETS BY QUERCETIN AND OTHER FLAVONOIDS - STRUCTURE ACTIVITY RELATIONSHIPS [J].