阐明Trichoderma sp.的生物活性潜力,通过向pectin liyases来对抗Fusarium sp.的病变发生:一种生物信息学方法
Kanchan Yadav1, Kavita Patel2, Ashutosh Mani2
1Department of Biotechnology, Deen Dayal Upadhyaya Gorakhpur University, Gorakhpur, 273009, Uttar Pradesh, India.
Biochemical and biophysical research communications
|December 7, 2024
概括
来自Trichoderma物种的生物活性化合物,如Viridiofungin A和Virone,显示出抑制Fusarium植物病原体的pectin lyase酶的潜力. 这项研究支持开发可持续的生物杀虫剂,用于作物保护.
科学领域:
- 植物病理学 植物病理学
- 生物化学 生物化学
- 计算生物学 计算生物学
背景情况:
- pectin lyase酶对于水果加工和植物病原体的植物病原体产生至关重要,比如Fusarium.
- 类植物种类导致重要的作物疾病,需要有效的控制策略.
- 三体物种被认为是植物健康的有价值的生物控制剂.
研究的目的:
- 以计算方式研究来自Trichoderma sp.的生物活性化合物. 它们有潜力抑制来自Fusarium物种的pectin lyase酶.
- 为了识别特定的化合物及其与多个Fusarium丁酶的结合机制.
- 通过体外生物控制试验验验证计算结果.
主要方法:
- 利用结构预测,分子对接和分子动力学模拟.
- 使用MM-PBSA分析来评估约束性亲缘关系.
- 进行了双培养试验,以评估Trichoderma物种对Fusarium病原体的疗效.
主要成果:
- 鉴定出Viridiofungin A (来自T. harzianum) 和Virone (来自T. virens) 作为Fusarium乳素酶 (PNLs) 的强有力的抑制剂.
- 分子动力学模拟证实了对接的抑制剂-酶复合物的稳定性和刚性.
- 双培养试验表明,T. harzianum和T. virens.对Fusarium物种的菌根抑制是可变的.
结论:
- 来自Trichoderma物种的生物活性化合物对抑制Fusarium植物病原体产生的pectinlyses具有显著的前景.
- 鉴定的化合物和计算方法可以指导新型生物配方和生物农药的开发.
- 这项研究提供了一种可持续的替代化学杀虫剂,用于管理与虫相关的作物疾病.
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