Single Sex Pheromone Receptor Determines Mating Behavior in Silkmoths
Author Information
Author(s): Sakurai Takeshi, Mitsuno Hidefumi, Haupt Stephan Shuichi, Uchino Keiro, Yokohari Fumio, Nishioka Takaaki, Kobayashi Isao, Sezutsu Hideki, Tamura Toshiki, Kanzaki Ryohei
Primary Institution: Research Center for Advanced Science and Technology, University of Tokyo, Tokyo, Japan
Hypothesis
The ligand specificity of the sex pheromone receptor determines the behavioral preference in male silkmoths.
Conclusion
A single gene defines behavioral selectivity in sex pheromone communication in the silkmoth.
Supporting Evidence
- Male moths expressing PxOR1 exhibited typical pheromone orientation behavior.
- Activation of bombykol receptor neurons alone is sufficient to trigger full sexual behavior.
- Transgenic silkmoths can be used as sensitive biosensors for detecting odorants.
Takeaway
Male silkmoths use a special chemical signal to find mates, and changing one gene can change which signal they respond to.
Methodology
Transgenic silkmoths were created to express a different sex pheromone receptor, and their behavioral responses to pheromones were tested.
Participant Demographics
Male silkmoths were used in the study.
Statistical Information
P-Value
p<0.01
Statistical Significance
p<0.01
Digital Object Identifier (DOI)
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