2,4-Diacetylphloroglucinol (DAPG) derivatives rapidly eradicate methicillin-resistant staphylococcus aureus without resistance development by disrupting membrane
作者:Yifan Zhong、Xiaoli He、Wenlan Tao、Jizhou Feng、Ruixue Zhang、Hongzhi Gong、Ziyi Tang、Chao Huang、Yun He
DOI:10.1016/j.ejmech.2023.115823
日期:2023.12
Methicillin-resistant Staphylococcus aureus (MRSA) causes severe public health challenges throughout the world, and the multi-drug resistance (MDR) of MRSA to antibiotics necessitates the development of more effective antibiotics. Natural 2,4-diacetylphloroglucinol (DAPG), produced by Pseudomonas, displays moderate inhibitory activity against MRSA. A series of DAPG derivatives was synthesized and evaluated
耐甲氧西林金黄色葡萄球菌(MRSA)给全世界带来了严峻的公共卫生挑战,而MRSA对抗生素的多重耐药性(MDR)使得开发更有效的抗生素成为必要。天然 2,4-二乙酰基间苯三酚 (DAPG) 由假单胞菌产生,对 MRSA 显示出中等的抑制活性。合成了一系列 DAPG 衍生物并对其抗菌活性进行了评估,其中一些表现出优异的活性(MRSA MIC = 0.5–2 μg/mL)。在这些衍生物中,7g表现出很强的抗菌活性,两个月内未出现耐药性。机理研究表明7g通过靶向细菌细胞膜发挥其活性。此外,7g与苯唑西林在体外和体内均表现出显着的协同抗菌作用,并具有根除MRSA生物膜的趋势。7g是治疗 MRSA 的一种有前景的先导药物。