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Naturwissenschaften

Title:		Synthesis and structure-activity relationship of diene modified analogs of Matsucoccus sex pheromones
Author(s):		Mendel Z; Dunkelblum E; Branco M; Franco JC; Kurosawa S; Mori K;
Address:		"Department of Entomology, Volcani Center ARO, 50250 Bet Dagan, Israel"
Journal Title:		Naturwissenschaften
Year:		2003
Volume:		20030524
Issue:		7
Page Number:		313 - 317
DOI:		10.1007/s00114-003-0429-0
ISSN/ISBN:		0028-1042 (Print) 0028-1042 (Linking)
Abstract:		"The biological activity of the Matsucoccus spp. sex pheromones and diene modified analogs has been tested in forests of Israel and Portugal in order to explore the structure-activity relationship of the pine bast scale pheromone/kairomone system. The response of the adult predatory bugs, Elatophilus hebraicus and E. crassicornis and of the brown lacewing, Hemerobius stigma is more selective than that of the conspecific Matsucoccus males. The removal of the terminal methyl group from the diene terminus of both pheromones 1 and 2 eliminates all kairomonal activity but retains moderate pheromonal activity. Addition of a methyl group to the diene terminus of pheromones 1 and 2 sustains full pheromonal and kairomonal activities of the Elatophilus spp. but eliminates entirely the kairomonal activity of H. stigma. Subtle designed alterations in the structure of the diene group, typical of all Matsucoccus pheromones, change the mode of the kairomonal activity markedly"
Keywords:		"Animals Hemiptera/*physiology Pheromones/*biosynthesis/chemistry Sexual Behavior, Animal Species Specificity Structure-Activity Relationship;"
Notes:		"MedlineMendel, Z Dunkelblum, E Branco, M Franco, J C Kurosawa, S Mori, K eng Comparative Study Research Support, Non-U.S. Gov't Germany 2003/07/29 Naturwissenschaften. 2003 Jul; 90(7):313-7. doi: 10.1007/s00114-003-0429-0. Epub 2003 May 24"