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Naturwissenschaften

Title:		Sensory reception of the primer pheromone ethyl oleate
Author(s):		Muenz TS; Maisonnasse A; Plettner E; Le Conte Y; Rossler W;
Address:		"Department of Behavioral Physiology and Sociobiology, Biozentrum, University of Wurzburg, Am Hubland, 97074, Wurzburg, Germany"
Journal Title:		Naturwissenschaften
Year:		2012
Volume:		20120318
Issue:		5
Page Number:		421 - 425
DOI:		10.1007/s00114-012-0909-1
ISSN/ISBN:		1432-1904 (Electronic) 0028-1042 (Linking)
Abstract:		"Social work force distribution in honeybee colonies critically depends on subtle adjustments of an age-related polyethism. Pheromones play a crucial role in adjusting physiological and behavioral maturation of nurse bees to foragers. In addition to primer effects of brood pheromone and queen mandibular pheromone--both were shown to influence onset of foraging--direct worker-worker interactions influence adult behavioral maturation. These interactions were narrowed down to the primer pheromone ethyl oleate, which is present at high concentrations in foragers, almost absent in young bees and was shown to delay the onset of foraging. Based on chemical analyses, physiological recordings from the antenna (electroantennograms) and the antennal lobe (calcium imaging), and behavioral assays (associative conditioning of the proboscis extension response), we present evidence that ethyl oleate is most abundant on the cuticle, received by olfactory receptors on the antenna, processed in glomeruli of the antennal lobe, and learned in olfactory centers of the brain. The results are highly suggestive that the primer pheromone ethyl oleate is transmitted and perceived between individuals via olfaction at close range"
Keywords:		"Animals Bees/*physiology Behavior, Animal/drug effects/*physiology Learning/physiology Oleic Acids/analysis/*metabolism/pharmacology *Olfactory Perception Pheromones/pharmacology;"
Notes:		"MedlineMuenz, Thomas S Maisonnasse, Alban Plettner, Erika Le Conte, Yves Rossler, Wolfgang eng Research Support, Non-U.S. Gov't Germany 2012/03/20 Naturwissenschaften. 2012 May; 99(5):421-5. doi: 10.1007/s00114-012-0909-1. Epub 2012 Mar 18"