Alectrol and orobanchol, germination stimulants for Orobanche minor, from its host red clover

被引：184

作者：

Yokota, T

Sakai, H

Okuno, K

Yoneyama, K

Takeuchi, Y

机构：

[1] Teikyo Univ, Dept Biosci, Utsunomiya, Tochigi 3208551, Japan

[2] Utsunomiya Univ, Dept Bioprod Sci, Utsunomiya, Tochigi 3218505, Japan

[3] Utsunomiya Univ, Weed Sci Ctr, Utsunomiya, Tochigi 3218505, Japan

来源：

PHYTOCHEMISTRY | 1998年 / 49卷 / 07期

关键词：

Orobanche minor; Orobanchaceae; clover broomrape; Trifolium pratense; Leguminosae; red clover; seed germination stimulant; alectrol; orobanchol; strigol;

D O I：

10.1016/S0031-9422(98)00419-1

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：

Three seed germination stimulants for a parasitic weed, clover broomrape (Orobanche minor), were isolated from the root exudate of its host, red clover (Trifolium pratense) and structures of the two of the stimulants were determined. One was identified as alectrol and the other was a novel strigol-related compound which was named orobanchol. Orobanchol was tentatively proposed to be a strigol isomer based on its MS and NMR spectral data. This is the first report on germination stimulants of Orobanche spp. from genuine host plants. GC-MS techniques to analyze strigolactones are also described. (C) 1998 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：1967 / 1973

页数：7

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