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Data Structure ?
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Data Structure ?
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README.md
精子競争に関連する適応度の低下に対処するため、男性は女性の再婚を妨げる戦略を進化させることが期待されます。例えば、雌は通常、交配後に性的受容性の低下を示し、これは雄の精液(sfps)に含まれるタンパク質によって媒介されることが証明されています。しかし、良好な遺伝的特徴を持つ種のSFPについては全面的な研究が行われているものの、非モデル種についてこのような詳細な研究を行った例はほとんどありません。我々は最初に、オーストラリアオオコオロギTeleogryllus oceanicusの雌が交配後24時間で確かに顕著な求偶行動の減少を示すことを確認しました。この効果は交配後3日間でも顕著でしたが、1週間後には完全に消失しました。その後、この行動反応を誘発する可能性のあるSFPを特定しようと試みました。我々は、ToSfp022とToSfp011の2種類のタンパク質を同定し、これらが雌の交配後の行動の変化に関連していることを明らかにしました。これら2種類のタンパク質のノックアウトにより、交配した雌は、雄の射精により精液タンパク質が十分に補充された雌と比較して、配偶者を探す行動が顕著に増加しました。我々の結果は、海洋コオロギの雌の不応期は、雄の精液タンパク質の作用による精子競争回避戦略を反映している可能性を示しています。
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