2013 Fiscal Year Final Research Report
Experience-dependent olfactory information processing for courtship control in Drosophila
| Project/Area Number |
22680026
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| Research Category |
Grant-in-Aid for Young Scientists (A)
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| Allocation Type | Single-year Grants |
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| Research Field |
Neuroscience in general
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| Research Institution | The University of Tokyo (2013)
Kyoto University (2010-2012) |
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Principal Investigator |
EJIMA Aki 東京大学, 農学生命科学研究科, 講師 (00548571)
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| Project Period (FY) |
2010-04-01 – 2014-03-31
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| Keywords | 神経情報処理 |
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| Research Abstract |
A male-specific pheromone component, cVA has an inhibitory effect on courtship motivation of the males. However, it was unclear how the male flies distinguish a tiny amount of exogenous cVA from his self-produced cVA and lead to an appropriate behavioral output.
In this study, we found that prolonged cVA stimulation allowed the male to ignore constant male odor around for the keen and plastic behavioral responses. With real-time imaging, we found that cVA-responsible sensory neurons were desensitized by constant exposure to cVA in the environment. Pharmacological and genetical screening revealed that inhibitory inputs into the olfactory neurons in the primary olfactory center contributed to the plastic control of odor responses.
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[Remarks] 公開授業:失恋の思い出:ショウジョウバエから学ぶ フェロモンと記憶の関係, 九州大学 , エクセレント・スチューデント・イン・サイエンス育成プロジェクト, 2012年10月20日
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[Remarks] ワークショップオーガナイザー(共同オーガナイザー:九州大学石原健):意思決定のヒラメキ:定量的行動解析と蛍光イメージングで探る情報処理の神経基盤,日本分子生物学会, 2012年12月13日, 福岡
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[Remarks] 学会主催(大会長):第五回分子高次機能研究会~高次機能を生み出すエコプロセッサ~, 2012年8月27~29日, 大津
