The Role of Jasmonates as Antibulbing Substances in the Bulb Formation of Onion  

作　　者：Noboru Takada Atsushi Saito Yuuki Matsuzuka Tatsushi Mochiduki Eriko Wakita Meng WANG Yasunori Koda 

机构地区：[1]Faculty of Agriculture and Life Science,Hirosaki University,3,Bunkyo-cho,Hirosaki 036-8561,Japan [2]The United Graduate School of Agricultural Science,Iwate University,Morioka,Iwate 020-8550,Japan [3]National Institute of Vegitable and Tea Science,National Agriculture and Food Research Organization,360 Kusawa,Ano,Tsu 514-2392,Japan [4]Research Faculty of Agriculture,Hokkaido University,Kita-9 Nishi-9,Kita-ku,Sapporo 060-8589,Japan

出　　处：《Agricultural Biotechnology》2024年第1期1-4,8,共5页农业生物技术（英文版）

基　　金：Supported by the Naito Foundation;Grant-in-Aid for Scientific Research (22K05448)from Japan Society for the Promotion of Science.

摘　　要：Onion plants form spherical bulbs under long-day conditions.Substances regulating bulb formation remain unknown.In the course of chemical studies on the bulb formation,α-linolenic acid was isolated from onion extracts as an antibulbing substance,the amount of which was synchronized with the bulb formation.Since allene oxide synthase inhibitor canceled the antibulbing activity ofα-linolenic acid,it was disclosed that jasmonic acid concerns this regulation.Structure-activity-relationship study revealed that its(3R,7S)stereochemistry is necessary for showing its antibulbing activity.It is concluded that(3R,7S)-jasmonate derived fromα-linolenic acid actually participates in the regulation of bulb formation.

关 键 词：Onion(Allim cepa L.cv.Higuma) ISOLATION Bulb formation Antibulbing substance α-Linolenic acid Methyl jasmonate 

分 类 号：O63[理学—高分子化学]