ecdysteroid; chemical defense; leaf beetles; Chrysomelidae
Abstract :
[en] 22-Acetyl-20-hydroxyecdysone was identified as a major component in the secretion of elytral and pronotal glands of Chrysolina carnifex, at an estimated concentration of 1.5 x 10(-1) M. This unexpected high concentration of an ecdysteroid in an exocrine secretion of an insect is discussed in terms of its potential defensive function, and in the light of steroid production in similar glands of closely related leaf beetles.
Disciplines :
Chemistry
Author, co-author :
Laurent, Pascal ; Université de Liège - ULiège > Chimie et bio-industries > Chimie biologique industrielle
Braekman, Jean-Claude
Daloze, Désiré
Pasteels, Jacques
Language :
English
Title :
An ecdysteroid (22-acetyl-20-hydroxyecdysone) from the defense gland secretion of an insect: Chrysolina carnifex (Coleoptera : Chrysomelidae)
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