3,5-di-O-caffeoylquinic acid, an infection-inhibiting factor from Pyrus pyrifolia induced by infection with Alternaria alternata

被引：26
|
作者：
Kodoma, M [1 ]
Wada, H [1 ]
Otani, H [1 ]
Kohmoto, K [1 ]
Kimura, Y [1 ]
机构：
[1] Tottori Univ, Fac Agr, Tottori 680, Japan
来源：
PHYTOCHEMISTRY | 1998年 / 47卷 / 03期
关键词：
Pyrus pyrifolia; Rosaceae; Japanese pear; Alternaria alternata Japanese pear pathotype; black spot of Japanese pear; disease resistance; infection-inhibiting factor; 3,5-di-O-caffeoylquinic acid;
D O I：
10.1016/S0031-9422(97)00621-3
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：
The isolation and structure determination of an infection-inhibiting factor, which belongs to a new type of plant metabolite for disease resistance, is described. The compound, 3,5-di-O-caffeoylquinic acid was isolated from Japanese pear leaves inoculated with spores of nonpathogenic Alternaria alternata. This compound inhibited lesion formation on pear leaves by A. alternata Japanese pear pathotype and also suppressed infection hyphae formation of A. alternata. However, spore germination, appressorium formation and mycelial growth of A. alternata were not affected by this compound. (C) 1997 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：371 / 373
页数：3
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