Hanaa S. Bekeir, Ahmed Hamad, Nesreen Z. Eleiwa, reham A. Amin
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引用次数: 0
摘要
关键词 石榴糖蜜是一种功能性元素,在寻找有效的生物活性天然化合物方面引起了科学界的广泛关注。本文以大肠杆菌拓扑异构酶 II DNA 回旋酶 B 的晶体结构为研究对象,通过分子对接分析研究了石榴糖蜜对食源性致病菌的作用。在大肠杆菌 DNA 回旋酶的 ATP 活性袋上,研究了鞣花酸、没食子酸、番泻苷和番泻甙的结合亲和力和相互作用。研究结果表明,新生物素的对接得分为-6.30 Kcal/mol,而石榴糖浆中的生物活性成分(punicalagin、punicalin、没食子酸和鞣花酸)采用了最佳的结合方式,得分为-7.2至-9.8 Kcal/mol。我们的研究结果表明,石榴糖浆具有独特的结构特性,可提供强效抗菌剂和 DNA 回旋酶抑制剂,从而解决抗菌药耐药性问题。目前正在对石榴糖蜜作为天然生物控制剂进行进一步研究。未来的研究将使用平板抑制试验和不同的方法来调查石榴果糖蜜对大肠杆菌的实际效果。
Molecular Docking analysis of the antibacterial effect of pomegranate (Punica granatum) fruit molasses bioactive compounds
Keywords Pomegranate molasses is a functional element that has generated extensive scientific attention in the search for effective bioactive natural compounds. The in-silico effects of pomegranate molasses on foodborne pathogens were investigated using molecular docking analysis, using the crystal structures of E. coli topoisomerase II DNA gyrase B as a target. On the ATP-active pocket of E. coli DNA gyrase, the binding affinities and interactions of ellagic acid, gallic acid, punicalagin, and punicalin were examined. According to the findings, novobiocin had a docking score of -6.30 Kcal/mol, whereas the bioactive components of pomegranate molasses (punicalagin, punicalin, gallagic acid, and ellagic acid) adopted the best binding style with a score of -7.2 to -9.8 Kcal/mol. Our findings suggested that pomegranate molasses could provide powerful antibacterial agents and DNA gyrase inhibitors via unique structural properties that address antimicrobial resistance. They are being investigated further as a natural biocontrol agent. Future research to investigate the actual effects of pomegranate fruit molasses against E. coli using both plate inhibition assays and different