8基環を含むジャドミシン:非酵素性天然製品バイオシンセシスの影響
Andrew W Robertson1, Camilo F Martinez-Farina, Deborah A Smithen
1Department of Chemistry and ⊥College of Pharmacy, Dalhousie University , Halifax, Nova Scotia B3H 4R2, Canada.
Journal of the American Chemical Society
|February 19, 2015
まとめ
研究者らは,Streptomyces venezuelae.から新しい8つ組のリングを含むジャドミシンを発見しました. これらの発見は,生物合成経路の探索を通じて新しい分子構造の発見の可能性を強調しています.
科学分野:
- 自然製品化学 自然製品化学
- 微生物バイオシンセシス
- 有機化学 オーガニック・ケミストリー
背景:
- Streptomyces venezuelaeは,ジャドマイシンを含む様々な生物活性化合物を産生する.
- 自然製品の構造的多様性を理解することは,薬剤の発見に不可欠です.
- 生物合成経路内の非酵素的改変を探求することで,新しい化学実体が得られます.
研究 の 目的:
- Streptomyces venezuelae.から新しいジャドミシン誘導体を分離し,特徴づけること.
- ジャドミシン生物合成における構造的多様性と新しい支架の可能性を調査する.
- 新しい天然製品を生み出すための半合成誘導策を探求する.
主な方法:
- Streptomyces venezuelae ISP5230.からジャドミシンOct (1) の分離と構造の解明
- L-オルニチンα-アミノ基の化学選択性アシレーションを用いた半合成派生.
- ジャドミシンAVAを合成するために5-アミノバレル酸を組み込む.
主要な成果:
- ジャドミシンOct (1) の分離と特徴付け,ジャドミシンを含む8つの単一のl-オルニチン環である.
- 5アミノバレル酸を組み込み,ジャドミシンAVA,ジャドミシンを含むもう1つの8つの環の合成に成功しました.
- バイオシンセシスの非酵素的ステップを通じて達成可能な構造的多様性の実証.
結論:
- ジャドマイシンOctとジャドマイシンAVAは,ジャドマイシンの新しい構造クラスです.
- これらの発見は,構造的に多様な天然製品を生成するための微生物経路の可能性を強調しています.
- この研究は,潜在的な治療的応用を持つ新しい分子支架の発見を例示しています.
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