排毒酵素の違い 草食動物と捕食動物である虫の違い
Science (New York, N.Y.)
|September 24, 1982
まとめ
排毒酵素の活性度は,捕食性の虫 (Amblyseius fallacis) とその獲物 (Tetranychus urticae) の間で異なっている. これらの解毒経路の差異は,オルガノフォスファット耐性および殺虫剤の選択性に寄与し,総合的な害虫対策に有利である.
科学分野:
- アカロロジーはアカロロジーの学科です.
- 毒理学 毒理学 毒理学
- バイオケミストリー バイオケミストリー
背景:
- 捕食性の虫と草食性の虫は,異なる生態学的役割を果たしています.
- 排毒メカニズムの理解は,農薬の選択性および総合的な害虫管理 (IPM) に不可欠です.
研究 の 目的:
- 捕食アリであるAmblyseius fallacisとその獲物であるTetranychus urticaeの解毒酵素の活性を比較する.
- これらの酵素が,オルガノフォスファート耐性および殺虫剤選択性の提供における役割を調査する.
主な方法:
- 酵素活性アッセイは,両方の虫種に実施されました.
- 混合機能オキシダゼ,エポキシドヒドロアゼ (cisおよびtrans),グルタチオントランスファーゼ,およびエステラゼの活性性の比較分析.
主要な成果:
- 捕食性の虫は,捕食性の虫と比較して,混合機能オキシダゼとトランスエポキシドヒドロラゼの活性が低いことを示した.
- 捕食性の虫は,シスエポキシド・ヒドロラーゼとグルタチオン・トランスファーゼの活性がより高いことを示した.
- エステラーゼの活性度は,この2種の種間で類似していました.
結論:
- 解毒酵素のプロファイルは,A. fallacisとT. urticae.の間で有意に異なります.
- 水分解および結合反応は,これらのアカリーンの有機リン酸抵抗性の鍵です.
- 酵素ベースの殺虫剤の選択性は,捕食者を好み,統合的な害虫対策戦略を強化します.
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