ドロソフィラの指向された求愛を媒介する視覚投影ニューロン
Inês M A Ribeiro1, Michael Drews2, Armin Bahl2
1Janelia Research Campus, Howard Hughes Medical Institute, 19700 Helix Drive, Ashburn, VA 20147, USA; Max Plank Institute of Neurobiology, Am Klopferspitz 18, 82152 Martinsried, Germany; Institute of Molecular Pathology, Campus-Vienna-Biocenter 1, 1030 Vienna, Austria.
Cell
|July 24, 2018
まとめ
オスの果物ハエの LC10 視覚ニューロンは 求愛に不可欠です これらのニューロンを静止させると 方向性や歌を損なう一方 活性化させると 求愛行動を誘発します
科学分野:
- 神経科学
- 動物 の 行動
- 感覚システム
背景:
- 視力は多くの動物にとって 移動する物体を検知し追跡するのに不可欠です
- ドロソフィラの求愛では オスは視覚的なヒントを使って オリエンテーションや追跡や歌を唱えます
研究 の 目的:
- ドロソフィラの男性の求愛行動における LC10 視覚投影ニューロンの役割を調査する.
- LC10ニューロンが 恋愛に関連した視覚情報を 処理する方法を調べるためだ
主な方法:
- 男性ドロソフィラのLC10ニューロンの静止と一方的な活性化
- オリエンテーション,親近感の維持,求愛曲を評価する行動分析.
- 運動に対する LC10 ニューロンの反応を特徴付けるための電気生理学的記録
主要な成果:
- LC10ニューロンを静止させると 男性の方向性や 女性の近接感や 翼の音が聞こえなくなる
- LC10ニューロンは,運動ベースの中心周回メカニズムを通じて,小さな動く物体に好ましい反応を示します.
- LC10の片面の活性化は 女性の誘発された指向と翼の拡張を模倣し 求愛興奮によって強化された.
結論:
- LC10の視覚投影ニューロンは,ドロソフィラの求愛に不可欠な視覚情報を伝達するために不可欠です.
- これらのニューロンは 視覚刺激を 求愛回路と興奮状態に統合する上で 重要な役割を果たします
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