ORYZALEXIN-F, A DITERPENE PHYTOALEXIN FROM UV-IRRADIATED RICE LEAVES

被引：94

作者：

KATO, H ^{[1
]}

KODAMA, O ^{[1
]}

AKATSUKA, T ^{[1
]}

机构：

[1] IBARAKI UNIV,SCH AGR,BIOORGAN & PESTICIDE CHEM LAB,IBARAKI,OSAKA 30003,JAPAN

来源：

PHYTOCHEMISTRY | 1994年 / 36卷 / 02期

关键词：

PYRICULARIA ORYZAE; GRAMINEAE; RICE PHYTOALEXIN; ORYZALEXIN F; DITERPENE; UV-IRRADIATION; JASMONIC ACID;

D O I：

10.1016/S0031-9422(00)97064-X

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 new rice phytoalexin, oryzalexin F, was isolated from UV-irradiated rice leaves. Its structure was established as ent-isopimara-8(14),15-diene-3 beta,18-diol by spectroscopic methods. The ED(50) value of oryzalexin F against spore germination of the blast fungus, Pyricularia oryzae, was 103 ppm. Oryzalexin F was also produced in blast fungus-infected or jasmonic acid-treated rice leaves.

引用

页码：299 / 301

页数：3

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