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Updated: May 3, 2026

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Body Composition and Metabolic Caging Analysis in High Fat Fed Mice
Published on: May 24, 2018
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マルチオミクス分析により,寒冷の季節の飼育方式でチベット人の羊のエネルギー分配戦略が異なっていることが明らかになった
Xungang Wang1, Qian Zhang1, Tongqing Guo1
1Key Laboratory of Adaptation and Evolution of Plateau Biota, Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, 810008, China.
Journal of animal science and biotechnology
|September 2, 2025
まとめ
チベットの羊は 寒い季節に適応する 独特のルーメン戦略によって 納屋の飼育は成長のための代謝効率を優先し,伝統的な放牧は環境適応と免疫機能に焦点を当てています.
科学分野:
- 動物科学
- 微生物学
- ゲノミクス
背景:
- チベットの高原に生息するチベットの羊は 寒さと栄養不足の環境に 独特の適応能力を持っています
- 寒い季節の管理には,納屋の飼育 (BF) または伝統的な放牧 (TG) が含まれるが,その背後にある分子機構は不明である.
研究 の 目的:
- 寒い季節の異なる飼育方式でチベット人の羊の機能の適応戦略を調査する.
- マルチオミック分析 (微生物群,メタボローム,トランスクリプトーム) を統合して,宿主-微生物の相互作用との適応を理解する.
主な方法:
- 納屋飼料 (BF) と伝統的な放牧 (TG) の条件下でチベット羊の比較研究.
- マルチオミクス分析 rumen morphology,微生物群プロファイリング,メタボロミクス,およびトランスクリプトミクス.
- rumen 組織の組織学的な検査と 差別的に発現する遺伝子 (DEGs) の分析
主要な成果:
- 牛飼料 (BF) は 胞のサイズを増加させ,微生物の組成を変化させた (アクティノバクテリア,サクチニクラスティカムの増加).
- メタボロミック分析では,BFの栄養代謝経路とTGの免疫経路で濃縮された異なる代謝物プロファイルが示されました.
- トランスクリプトミックの分析により,栄養代謝 (BF) と免疫機能 (TG) に関連するDEGが特定されました.
結論:
- チベットの羊は,BFとTGの給餌方式に対して,異なった rumen機能的反応を示します.
- BFグループは"代謝効率を優先する"戦略を採用し,宿主の成長のためにエネルギーを最大限に利用しました.
- TGグループは,セルロースの分解とホメオスタシスの抗炎症機能を優先する"環境適応優先"戦略を採用しました.
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