文献类型： 外文期刊
作者： Chen, Chan 1 ; Sun, Rui 1 ; Pan, Tianle 1 ; Liu, Lian 3 ; Tang, Wenqiang 2 ; Wang, Mi 1 ; Zhang, Lifang 1 ; Fei, Chenzhong 1 ; Liu, Yingchun 1 ;
作者机构： 1.Chinese Acad Agr Sci, Shanghai Vet Res Inst, Shanghai 200241, Peoples R China
2.Tibet Acad Agr & Anim Husb Sci, Inst Anim Sci, Lhasa, Peoples R China
3.Yangtze Univ, Coll Anim Sci & Technol, Jingzhou, Hubei, Peoples R China
关键词： Glabridin; S. aureus; Antibacterial activity; Antibacterial mechanism
期刊名称：FOOD BIOSCIENCE （ 影响因子：5.9； 五年影响因子：6.1 ）
ISSN： 2212-4292
年卷期： 2025 年 68 卷
页码：
收录情况： SCI
摘要： Glabridin, a bioactive compound derived from the root of Glycyrrhiza glabra, was evaluated in this study for its in vitro antibacterial activity against Gram-positive bacteria and its in vivo efficacy in treating Staphylococcus aureus (S.aureus) and methicillin-resistant S.aureus (MRSA) infections using a mouse skin wound model. The antibacterial mechanisms of glabridin against S.aureus were investigated through advanced techniques, including scanning electron microscopy (SEM), transmission electron microscopy (TEM), fluorescence staining, and transcriptomic analysis. The results demonstrated that glabridin exhibits potent antibacterial activity against Grampositive bacteria, with minimal inhibitory concentrations (MICs) ranging from 4 to 16 mu g/mL. In vivo experiments further confirmed the therapeutic potential of glabridin in a mouse skin infection model, where it promoted wound healing and accelerated skin regeneration at the infection site. Mechanistic studies revealed that glabridin disrupts bacterial cell membrane integrity, leading to increased permeability and subsequent leakage of intracellular components such as nucleic acids, proteins, and other macromolecules, ultimately resulting in cell death. In conclusion, glabridin shows significant promise as a therapeutic agent for preventing and treating infections caused by Gram-positive bacteria. Its dual efficacy, demonstrated both in vitro and in vivo, highlights its potential for development as a novel antimicrobial agent.
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