对选定的植物化合物的生物活性和分子对接研究
Dhouha Alimi1,2, Manel Hraoui1,2, Azhar Hajri1,2
1Laboratory of Functional Physiology and Valorization of Bio-resources (LR23ES08), Higher Institute of Biotechnology of Beja, Beja, Tunisia.
比萨博氧化物A和α-比萨博显示出作为天然杀虫剂的潜力. 这些化合物具有杀菌和杀虫活性,为合成农药提供可持续的替代品.
科学领域:
- 自然产品化学 自然产品化学
- 生物农药研究 生物农药研究
- 药用化学 医学化学
背景情况:
- 合成农药带来环境风险,需要寻找环保替代品.
- 塞斯基二烯α-bisabolol和bisabolol氧化物A因其杀虫剂特性而被研究.
- 乙胆酶 (AChE) 是合成杀虫剂的主要点,使其成为天然化合物的相关点.
研究的目的:
- 为了评估α-bisabolol和bisabolol氧化物A.的杀菌和杀菌潜力.
- 评估这些甲对乙胆化酶 (AChE) 的抑制活性.
- 用计算方法阐明这些化合物在ACHE活性部位内的结合相互作用.
主要方法:
- 对抗微生物活性进行了测试,对抗阳性和阴性细菌.
- 对牛的蛋和幼虫 (Hyalomma scupense) 进行了杀性和杀性测试.
- 测量了体外抗AChE活性,并补充了分子对接和MM-GBSA研究.
主要成果:
- 比萨博醇氧化物A对黄金葡萄球菌,大肠杆菌和沙门氏菌肠炎 (MIC 3.125 mg mL−1) 具有显著的活性.
- 这两种化合物都对H. scupense表现出杀性和杀性作用,比萨博醇氧化物A更强效 (LC50 0.78%).
- 观察到强大的ACHE抑制 (IC50值为37.09和28.14微克毫升-1),有利的对接分数表明ACHE活性部位内的有效结合.
结论:
- 比萨醇氧化物A和α-比萨醇具有显著的抗微生物和杀虫性质.
- 这些天然化合物显示出作为传统合成农药的有效和可持续替代品的希望.
- 这些发现支持这些类的潜在用途,用于控制细菌病原体和外寄生虫.
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