Effects of different classes of attractants, cochliophilin A and N-(E)-feruloy1-4-0-methyldopamine, on the response of Aphanomyces cochlioides zoospores in their chemoattraction and activation of motility linked with intracellular cAMP

被引：2

作者：

Wang, Mengcen ^{[1
]}

Takayama, Tomohiko ^{[1
]}

Kim, Dongyeop ^{[1
]}

Sakihama, Yasuko ^{[1
]}

Tahara, Satoshi ^{[1
]}

Hashidoko, Yasuyuki ^{[1
]}

机构：

[1] Hokkaido Univ, Div Appl Biosci, Res Fac Agr, Kita Ku, Sapporo, Hokkaido 0608589, Japan

来源：

JOURNAL OF PESTICIDE SCIENCE | 2013年 / 38卷 / 3-4期

关键词：

Aphanomyces cochlioides zoospore chemoattractant 5-hydroxy-6,7-methylenedioxyflavone N-(E)-feruloy1-4-O-methyldopamine cross-competition assay host-recognition system; ADENYLATE-CYCLASE; PHENOLIC AMIDE; HOST; CONSTITUENTS; DERIVATIVES; FLAVONOIDS; MASTOPARAN; GUANOSINE; FORSKOLIN; SIGNAL;

D O I：

10.1584/jpestics.D13-034

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Cochliophilin A (5-hydroxy-6,7-methylenedioxyflavone, 1) and N-(E)-feruloy1-4-0-methyldopamine (2) are naturally occurring host-specific chemoattractants for Aphanomyces cochlioides zoospores. In a cross-competition assay, compound 1 (4 fmol) applied to diatomite particles clearly attracted A. cochlioides zoospores in an aqueous solution of excessive compound 2 (lx 10(-6)M) that could mask a concentration gradient of 1 dispersed from the particles. Similarly, 2 (40 fmol) on particles also attracted A. cochlioides zoospores in an aqueous solution of 1 (1 X 10(-6)M). In addition, compound 2 on the particles did not attract the zoospores in an aqueous solution containing 1 X10(-6)M NADP(+), while 1 clearly attracted zoospores in the same solution. These results allowed us to speculate that compounds 1 and 2 do not share receptors. The chemosensory system for 1 is probably for host recognition of A. cochlioides zoospores, while the system for 2 is linked to cell differentiation. (C) Pesticide Science Society of Japan

引用

页码：181 / 187

页数：7