使用基于结构的高通量虚拟查方法对Flavobacterium columnare进行TonB依赖的 siderophore受体抑制剂的鉴定
Minghao Li1,2, Baipeng Chen2, Ming Xu2
1Fisheries Research Institute, Sichuan Academy of Agricultural Sciences, Chengdu, Sichuan, China.
Frontiers in microbiology
|June 5, 2024
概括
研究人员确定埃诺克索隆是一种新型抗菌剂,向Flavobacterium columnare中的TonB依赖的 siderophore受体. 这一发现为开发水产养殖中的抗菌治疗提供了新的策略.
科学领域:
- 水生微生物学 水生微生物学
- 药物发现 药物发现
- 传统中国医药 传统中国医药
背景情况:
- 依赖于TonB的 siderophore受体对于Flavobacterium columnare的毒性和生长至关重要.
- 这些受体是新型抗菌剂的有希望的点.
- 传统中国医学 (TCM) 为鱼类疾病提供了潜在的抗菌化合物.
研究的目的:
- 通过使用分子对接,从TCM中发现新的TonB依赖的 siderophore受体抑制剂.
- 为了确定Flavobacterium的潜在抗菌剂.
- 为开发水产养殖新型抗菌药物提供基础.
主要方法:
- 使用分子对接的TCM图书馆的虚拟选.
- 对潜在抑制剂的属性预测.
- MIC测定和分子动态模拟来评估Enoxolone的活性和相互作用.
- 转录分析和验证实验以确定抗菌机制.
- 沉浸实验以评估埃诺克索隆的毒性.
主要成果:
- 从TCM图书馆中确定了11种潜在的TonB依赖的 siderophore受体抑制剂.
- 埃诺克索隆对F.columnare.表现出抗菌活性.
- 伊诺克索隆的机制涉及通过准TonB依赖的 siderophore受体来抑制铁离子吸收.
- 在沉浸实验中,埃诺克索隆表现出可接受的毒性.
结论:
- 对TCM的虚拟查是发现水产养殖抗菌素的可行方法.
- 埃诺克索隆是一种有前途的化合物,准F. columnare TonB依赖的 siderophore受体.
- 这项研究为开发水产养殖中创新的抗菌药物提供了新的见解.
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