在Stachybotrys chartarum中,具有未聚类基因的基灵梦的完整生物合成
Jimei Liu1, Ridao Chen1, Min Zhang1
1State Key Laboratory of Bioactive Substance and Function of Natural Medicines, NHC Key Laboratory of Biosynthesis of Natural Products, CAMS Key Laboratory of Enzyme and Biocatalysis of Natural Drugs, and Beijing Key Laboratory of Non-Clinical Drug Metabolism and PK/PD Study, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China.
Acta pharmaceutica Sinica. B
|February 13, 2026
概括
研究人员发现了stachybotrydial,一个phenylspirodrimane meroterpenoid的完整的生物合成途径. 这项研究确定了11个参与其形成的基因,并揭示了针对通道的潜在新药导向.
科学领域:
- 自然产品生物合成 自然产品生物合成
- 菌类基因组学 菌类基因组学
- 药用化学 医学化学
背景情况:
- 菲尼尔spirodrimanes,喜欢stachybotrydial,是来自*Stachybotrys*属的美类.
- 这些化合物的生物合成途径尚未完全阐明.
- 了解这些途径对于发现新型生物活性分子至关重要.
研究的目的:
- 为了破译Stachybotrydial的完整的生物合成途径.
- 为了识别和表征负责基因生物合成的基因.
- 评估途径中间体的生物活性.
主要方法:
- 基因组挖掘和基因失活.
- 异质表达和生物化学实验.
- 基于转录组的层次聚类和表达式相关性分析.
- 对人类通道 (hNaV1.2) 的生物活性测定.
主要成果:
- 研究人员阐明了斯塔基波特里亚尔的完整生物合成途径,涉及两个基因群和五个离散基因.
- 11个基因被确定并描述了核心骨的形成,甲基化和表皮化.
- 四种中间体 (化合物6-8和9a) 对失活状态的hNaV1.2通道显示出显著的抑制活性.
- 生物合成基因分布在七个区域,包括未聚类基因.
结论:
- 这项研究成功地在Stachybotrys*中绘制了烯基spirodrimane生物合成途径.
- 转录组分析在识别未聚类的真菌生物合成基因方面被证明是有效的.
- 途径中间体代表了针对通道的潜在治疗剂.
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