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Journal Article

Sex-specific odorant receptors of the tobacco hornworm Manduca sexta

MPS-Authors
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Grosse-Wilde,  Ewald
Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society;

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Stieber,  Regina
Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society;

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Wicher,  Dieter
Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society;

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Hansson,  Bill
Department of Neuroethology, Prof. B. S. Hansson, MPI for Chemical Ecology, Max Planck Society;

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Citation

Grosse-Wilde, E., Stieber, R., Forstner, M., Krieger, J., Wicher, D., & Hansson, B. (2010). Sex-specific odorant receptors of the tobacco hornworm Manduca sexta. Frontiers in Cellular Neuroscience, 4: 22. doi:10.3389/fncel.2010.00022.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0012-B9F3-B
Abstract
As odor information plays a vital role in the life of moths, their olfactory sense has evolved into a highly specific and sensitive apparatus relevant to reproduction and survival. The key players in the detection of odorants are olfactory receptor (OR) proteins. Here we identify four OR-encoding genes differentially expressed in the antennae of males and females of the sphingid moth Manduca sexta. Two male-specific receptors (the previously reported MsexOR-1 and the newly identified MsexOR-4) show great resemblance to other male moth pheromone ORs. The putative pheromone receptors are co-expressed with the co-receptor involved in general odorant signal transduction, the DmelOr83b homolog MsexOR-2. One female-specific receptor (MsexOR-5) displays similarities to BmorOR-19, a receptor in Bombyx mori tuned to the detection of the plant odor linalool.