乙烯基-CoA碳氧化酶蛋白解-向金马:概念设计和作为杀虫剂的应用
Qi Xu1, Hao Feng1, Zhong Li1,2
1Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China.
Journal of agricultural and food chemistry
|August 15, 2024
概括
新的蛋白质分解向化马体 (PROTACs) 显示出作为杀虫剂的前景. 化合物9b通过降解ACC蛋白质有效控制了Aphis craccivora,提供了一个新的害虫控制策略.
科学领域:
- 农业科学 农业科学
- 化学生物学 化学生物学
- 昆虫学 昆虫学是一门学科.
背景情况:
- 新型杀虫剂对于全球粮食安全和克服对现有农药的耐药性至关重要.
- 向蛋白质分解的嵌合体 (PROTACs) 是一种来自人类医学的技术,为开发新的杀虫剂提供了一个有前途的途径.
- 解决抗虫剂耐药性的问题需要创新的方法,超越传统的化学品类.
研究的目的:
- 开发和评估基于PROTAC技术的新型小分子降解剂,用于昆虫害虫防治.
- 研究这些PROTACs对农业害虫的疗效,特别是针对ACC蛋白.
- 探索其作用机制,包括通过无素-蛋白酶体系统降解蛋白质.
主要方法:
- 设计和合成PROTAC化合物 (9a-9d),将波马利多米德E3酶连接体与螺旋甲酸乙醇ACC向连接体结合起来.
- 对Aphis craccivora的杀虫活性评估,确定LC50值.
- 评估目标蛋白质的降解,并确认无素-蛋白酶体系统的参与.
主要成果:
- 化合物9b显示出对Aphis craccivora的优越杀虫功效,LC50为107.8μg mL-1.1.
- 该化合物有效诱导了目标ACC蛋白的降解.
- 已证实作用机制涉及无素-蛋白酶体通路.
结论:
- 基于PROTAC的杀虫剂是有效的害虫防治的可行和创新的策略.
- 开发的PROTACs,特别是化合物9b,显示出农业应用在控制昆虫害虫方面的巨大潜力.
- 这项研究验证了PROTAC技术在开发下一代杀虫剂中对抗耐药问题的应用.
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