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« Previous AbstractMultidisciplinary approach to unravelling the relative contribution of different oxylipins in indirect defense of Arabidopsis thaliana    Next AbstractNatural variation in herbivore-induced volatiles in Arabidopsis thaliana »

J Chem Ecol


Title:The herbivore-induced plant volatile methyl salicylate negatively affects attraction of the parasitoid Diadegma semiclausum
Author(s):Snoeren TA; Mumm R; Poelman EH; Yang Y; Pichersky E; Dicke M;
Address:"Laboratory of Entomology, Wageningen University, P.O. Box 8031, 6700 EH, Wageningen, the Netherlands. tjeerd.snoeren@wur.nl"
Journal Title:J Chem Ecol
Year:2010
Volume:20100421
Issue:5
Page Number:479 - 489
DOI: 10.1007/s10886-010-9787-1
ISSN/ISBN:1573-1561 (Electronic) 0098-0331 (Print) 0098-0331 (Linking)
Abstract:"The indirect defense mechanisms of plants comprise the production of herbivore-induced plant volatiles that can attract natural enemies of plant attackers. One of the often emitted compounds after herbivory is methyl salicylate (MeSA). Here, we studied the importance of this caterpillar-induced compound in the attraction of the parasitoid wasp Diadegma semiclausum by using a mutant Arabidopsis line. Pieris rapae infested AtBSMT1-KO mutant Arabidopsis plants, compromised in the biosynthesis of MeSA, were more attractive to parasitoids than infested wild-type plants. This suggests that the presence of MeSA has negative effects on parasitoid host-finding behavior when exposed to wild-type production of herbivore-induced Arabidopsis volatiles. Furthermore, in line with this, we recorded a positive correlation between MeSA dose and repellence of D. semiclausum when supplementing the headspace of caterpillar-infested AtBSMT1-KO plants with synthetic MeSA"
Keywords:"Animals Arabidopsis/chemistry/genetics/parasitology Arabidopsis Proteins/genetics/metabolism Behavior, Animal/drug effects Host-Parasite Interactions Larva/physiology Methyltransferases/genetics/metabolism Plants, Genetically Modified/chemistry/genetics/p;"
Notes:"MedlineSnoeren, Tjeerd A L Mumm, Roland Poelman, Erik H Yang, Yue Pichersky, Eran Dicke, Marcel eng Research Support, Non-U.S. Gov't 2010/04/22 J Chem Ecol. 2010 May; 36(5):479-89. doi: 10.1007/s10886-010-9787-1. Epub 2010 Apr 21"

 
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