Cloning of an octopamine/tyramine receptor and plasticity of its expression as a function of adult sexual maturation in the male moth Agrotis ipsilon
2010
Duportets , Line (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication) | Barrozo , R.B. (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication) | Bozzolan , Françoise (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication) | Gaertner , Cyril (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication) | Anton , Sylvia (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication) | Gadenne , Christophe (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication) | Debernard , Stéphane (INRA , Versailles (France). UMR 1272 Physiologie de l'Insecte : Signalisation et Communication)
In the male moth Agrotis ipsilon behavioural response and antennal lobe (AL) neuron sensitivity to the female-produced sex pheromone increase with age and juvenile hormone (JH) level. We recently showed that the neuromodulator, octopamine (OA), interacts with JH in this age-dependent olfactory plasticity. To further elucidate its role, we cloned a full cDNA encoding a protein that presents biochemical features essential to OA/tyramine receptor (AipsOAR/TAR) function. The AipsOAR/TAR transcript was detected predominantly in the antennae, the brain and, more specifically, in ALs where its expression level varied concomitantly with age. This expression plasticity indicates that AipsOAR/TAR might be involved in central processing of the pheromone signal during maturation of sexual behaviour in A. ipsilon.
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