生物合成和基因组挖掘策略用于氨酸衍生的N核酸抗生素
Yujie Wu1,2, ShiYu Wu2,3,4, Xiaomin Niu1,2,4
1State Key Laboratory of Ecological Safety and Sustainable Development in Arid Land, Chinese Academy of Sciences, Lanzhou, Gansu, China.
Frontiers in microbiology
|November 28, 2025
概括
新的核酸抗生素对于对抗抗生素耐药性至关重要. 本综述探讨了氨酸衍生的N-核酸抗生素 (N-NAs),重点关注它们的生物活性和生物合成,以发现新型抗菌剂.
科学领域:
- 微生物学 微生物学
- 自然产品化学 自然产品化学
- 生物信息学是一种生物信息学.
背景情况:
- 抗生素耐药性需要新的抗菌剂.
- 核酸抗生素,特别是纯素衍生的N-核酸抗生素 (N-NAs),具有结构多样性和广泛的生物活性.
- 它们的精氨酸框架允许酶修饰,导致各种药理学特征.
研究的目的:
- 审查关键纯素衍生N-NAs的生物活性和生物合成逻辑.
- 为基于基因组发现相关自然产品提供见解.
- 突出保存的酶和遗传特征,用于识别新型N-NA生产者.
主要方法:
- 关于N-NAs的文献综述,包括pentostatin类型,angustmycins和deazapurine类似物.
- 对生物合成基因集群 (BGC) 和保存酶的分析.
- 使用核心酶探针进行基因组挖掘策略.
主要成果:
- 在已知的N-NA BGC中识别保存的酶和遗传特征.
- 用基因组引导挖掘用于假定的N-NA集群的演示.
- 在特定的N-NA子类中描述结构-活动关系.
结论:
- 了解N-NA生物合成和遗传学有助于基因组挖掘.
- 保存的酶可以作为探针来发现新的N-NA生产者.
- 结构-活性关系指导新核酸抗生素的合理设计.
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