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Citation
Zhou, C., Huang, H., Kim, S.M., Lin, H., Meng, X., Han, K.A., Chiang, A.S., Wang, J.W., Jiao, R., Rao, Y. (2012). Molecular Genetic Analysis of Sexual Rejection: Roles of Octopamine and Its Receptor OAMB in Drosophila Courtship Conditioning.  J. Neurosci. 32(41): 14281--14287.
FlyBase ID
FBrf0219612
Publication Type
Research paper
Abstract

After Drosophila males are rejected by mated females, their subsequent courtship is inhibited even when encountering virgin females. Molecular mechanisms underlying courtship conditioning in the CNS are unclear. In this study, we find that tyramine β hydroxylase (TβH) mutant males unable to synthesize octopamine (OA) showed impaired courtship conditioning, which could be rescued by transgenic TβH expression in the CNS. Inactivation of octopaminergic neurons mimicked the TβH mutant phenotype. Transient activation of octopaminergic neurons in males not only decreased their courtship of virgin females, but also produced courtship conditioning. Single cell analysis revealed projection of octopaminergic neurons to the mushroom bodies. Deletion of the OAMB gene encoding an OA receptor expressed in the mushroom bodies disrupted courtship conditioning. Inactivation of neurons expressing OAMB also eliminated courtship conditioning. OAMB neurons responded robustly to male-specific pheromone cis-vaccenyl acetate in a dose-dependent manner. Our results indicate that OA plays an important role in courtship conditioning through its OAMB receptor expressed in a specific neuronal subset of the mushroom bodies.

PubMed ID
PubMed Central ID
PMC3670963 (PMC) (EuropePMC)
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Secondary IDs
    Language of Publication
    English
    Additional Languages of Abstract
    Parent Publication
    Publication Type
    Journal
    Abbreviation
    J. Neurosci.
    Title
    Journal of Neuroscience
    Publication Year
    1981-
    ISBN/ISSN
    0270-6474 1529-2401
    Data From Reference