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Cell Rep. 2012 Jun 28;1(6):599-607. doi: 10.1016/j.celrep.2012.05.007. Epub 2012 May 24.

The Drosophila female aphrodisiac pheromone activates ppk23(+) sensory neurons to elicit male courtship behavior.

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1
Research Institute of Molecular Pathology, Dr. Bohrgasse 7, A-1030 Vienna, Austria.

Abstract

Females of many animal species emit chemical signals that attract and arouse males for mating. For example, the major aphrodisiac pheromone of Drosophila melanogaster females, 7,11-heptacosadiene (7,11-HD), is a potent inducer of male-specific courtship and copulatory behaviors. Here, we demonstrate that a set of gustatory sensory neurons on the male foreleg, defined by expression of the ppk23 marker, respond to 7,11-HD. Activity of these neurons is required for males to robustly court females or to court males perfumed with 7,11-HD. Artificial activation of these ppk23(+) neurons stimulates male-male courtship even without 7,11-HD perfuming. These data identify the ppk23(+) sensory neurons as the primary targets for female sex pheromones in Drosophila.

PMID:
22813735
DOI:
10.1016/j.celrep.2012.05.007
[Indexed for MEDLINE]
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