プロカリオット生物合成遺伝子群のグローバル分析から得られた二次代謝の洞察
Peter Cimermancic1, Marnix H Medema2, Jan Claesen1
1Department of Bioengineering and Therapeutic Sciences and the California Institute for Quantitative Biosciences, University of California, San Francisco, San Francisco, CA 94158, USA.
Cell
|July 19, 2014
まとめ
研究者らは,アリルポリエネのための1,000以上の細菌生物合成遺伝子クラスター (BGC) を発見し,グラム陰性細胞生物学にとって重要な保存された脂質製品を明らかにしました.
科学分野:
- 微生物学 微生物学とは
- バイオインフォマティックス
- 分子生物学は分子生物学である.
背景:
- 生物合成遺伝子クラスター (BGCs) は細菌の代謝産物生産の鍵ですが,その完全な多様性はほとんど知られていません.
- 現存する知識は,何百ものBGCをカバーしているが,膨大な微生物シーケンシングデータの体系的な探査は限られている.
研究 の 目的:
- 新しいアルゴリズムを使用して,新しいBGCを体系的に特定し,特徴づけます.
- 特定されたBGCの多様性と進化的関係を分析する.
- 著名なBGCファミリーの機能を実験的に検証する.
主な方法:
- 微生物シーケンシングデータにおけるBGC識別のための新しいアルゴリズムの開発と応用.
- ネットワーク分析は,BCCを家族に分類し,その関係を評価するために行われます.
- プロテオバクテリア内のアリルポリエネBGCの実験的特徴.
主要な成果:
- 大量のBGCを特定し,広範な遺伝子クラスターファミリーを形成し,そのほとんどは特徴づけられていない.
- アリルポリエネBGCsの2つのサブファミリーを含む,最も顕著なファミリーの特徴.
- 3つ目の関連サブファミリーを発見し,BGCファミリーで知られている最大の家族 (>1,000人) を形成しました.
- BGCの配列の相違にもかかわらず,保存されたアリルポリエネ製品の実証.
結論:
- 既知の最大のBGCファミリーは,保存されたアリルポリエネを生成する.
- これらの化合物は,グラム陰性細菌の細胞生物学において重要な役割を果たします.
- この研究は,バクテリアのBGCおよびその産物の既知の多様性を拡大します.
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