Acylated flavonol glycosides as probing stimulants of a bean aphid, Megoura crassicauda, from Vicia angustifolia

被引：33

作者：

Takemura, M ^{[1
]}

Nishida, R ^{[1
]}

Mori, N ^{[1
]}

Kuwahara, Y ^{[1
]}

机构：

[1] Kyoto Univ, Lab Chem Ecol, Div Appl Life Sci, Grad Sch Agr,Sakyo Ku, Kyoto 6068502, Japan

来源：

PHYTOCHEMISTRY | 2002年 / 61卷 / 02期

基金：

日本学术振兴会;

关键词：

Vicia angustifolia; Fabaceae; aphid; Megoura crassicauda; probing stimulants; host selection; acylated flavonol glycosides;

D O I：

10.1016/S0031-9422(02)00226-1

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 bean aphid, Megoura crassicauda, which feeds selectively on the plant genus Vicia (Fabaceae), was found to be stimulated to probe an extract solution of the host plant, narrowleaf vetch, Vicia angustifolia L., depositing characteristic stylet sheaths on a parafilm membrane. Two acylated flavonol glycosides were isolated as the specific probing stimulants from the extracts and characterized as quercetin 3-O-alpha-L-arabinopyranosyl-(1-->6)-[2"-O-(E)-p-coumaroyl]-beta-D-glucopyranoside and quercetin 3-O-alpha-L-arabinopyranosyl-(1-->6)-[2"-O-(E)-p-coumaroyl]-beta-D-galactopyranoside. A mixture of these compounds in the same equivalency strongly induced the probing response from M. crassicauda, suggesting their kairomonal roles during host recognition. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：135 / 140

页数：6

共 21 条

[1]

Isolation and identification of the probing stimulants in the rice plant for the white-back planthopper, Sogatella furcifera (Homoptera: Delphacidae) [J].