潘达努斯 (Pandanus amaryllifolius Roxb.) 的抗菌潜力是什么 : 植物化学分析,抗氧化剂和分子对接研究
Dwi Kusuma Wahyuni1, Gita Aqila Nuha1, Tope Gafar Atere2
1Department of Biology, Faculty of Science and Technology, Universitas Airlangga Surabaya, Surabaya, East Java, Indonesia.
PloS one
|August 14, 2024
概括
潘达斯 (Pandanus amaryllifolius Roxb.) 是一种的植物. 乙醇提取物显示出显著的抗氧化和抗微生物特性. 这项研究确定了关键化合物及其机制,支持其作为天然抗菌剂的潜力.
科学领域:
- 药理学和植物化学
- 自然产品化学 自然产品化学
- 抗微生物药物发现 抗微生物药物发现
背景情况:
- 抗微生物耐药性需要开发新的治疗药物.
- 探索自然产品,比如Pandanus amaryllifolius Roxb. 这样的植物. 为新药发现提供了一个有前途的途径.
- 了解药用植物的植物化学成分和生物活性至关重要.
研究的目的:
- 为了研究 Pandanus amaryllifolius Roxb. 的抗氧化和抗菌潜力. 使用in silico和in vitro方法提取乙醇提取物.
- 确定提取物中存在的生物活性化合物并阐明它们的潜在作用机制.
- 评估提取物对大肠杆菌和金黄色葡萄球菌等细菌病原体的疗效.
主要方法:
- 植物化学查,气色谱-质谱 (GC-MS) 用于化合物识别.
- 在基分子对接研究中,以预测与蛋白的结合亲缘关系.
- 在体外抗氧化剂测定 (DPPH,ABTS) 和抗菌活性评估 (井扩散).
主要成果:
- 植物化学分析显示了高黄素和多醇含量.
- GC-MS确定了52种生物活性物质,包括n-hexadecanoic酸和neophytadiene.
- 提取物显示出显著的抗氧化活性 (IC50:DPPH的11.96μg/ml,ABTS的26.18μg/ml) 和对大肠杆菌和金黄色杆菌的抗菌作用.
结论:
- 潘达斯 (Pandanus amaryllifolius Roxb.) 是一种的植物. 乙醇提取物具有显著的抗氧化和抗菌特性.
- 已识别的化合物具有很高的结合亲和力,这表明抗菌作用的机制.
- 这些发现支持P. amaryllifolius Roxb.的潜力. 作为开发天然抗菌剂的来源.
相关概念视频
Antimicrobial Effectiveness
2.3K
The effectiveness of antimicrobial agents depends on various factors influencing their ability to eliminate microbial populations. Larger microbial populations require more time for complete eradication, emphasizing the importance of population size analysis when evaluating antimicrobial efficacy.Microbial resistance to antimicrobial agents varies significantly. Highly resilient microorganisms include endospores, gram-negative bacteria, and non-enveloped viruses, while prions are exceptionally...
2.3K
Antifungal Agents
131
Amphotericin B is a broad-spectrum antifungal agent that exploits structural differences between fungal and mammalian cell membranes. Its amphipathic structure—featuring a hydrophobic polyene-lactone ring and a hydrophilic region containing mycosamine and carboxylic acid groups—enables selective binding to ergosterol, a sterol predominantly found in fungal plasma membranes. This selective interaction underlies the drug’s antifungal activity, although weak binding to...
131
Clinical Significance of Antibiotic Resistance
106
Methicillin-resistant Staphylococcus aureus (MRSA) presents a critical public health threat, arising from its capacity to resist β-lactam antibiotics due to acquisition of the mecA gene within the staphylococcal cassette chromosome mec (SCCmec). This gene encodes penicillin-binding protein 2a (PBP2a), which impairs binding efficacy of methicillin and other β-lactams. MRSA has evolved into distinct clonal lineages impacting humans and animals alike, reinforcing its significance within...
106


