综合性脱复制和分子网络揭示了Kielmeyera coriacea中的潜在抗菌剂
Aline Coqueiro1, Vinicius Galvão Wakui2, Alan C Pilon3
1Chemistry Department, Universidade Tecnológica Federal do Paraná (UTFPR), Ponta Grossa, PR, Brasil.
Natural product research
|February 17, 2025
概括
基尔梅耶拉草根的乙醇提取物对细菌和真菌表现出强大的抗菌活性. 进一步的分析确定了对这些效应负责的桑,黄酸盐和基醇衍生物.
科学领域:
- 民族植物学 民族植物学
- 自然产品化学 自然产品化学
- 微生物学 微生物学
背景情况:
- 基尔梅耶拉科里亚西亚市场. 是巴西塞拉多原产的一种植物.
- 它在民间医学中具有传统意义.
研究的目的:
- 为了确定基尔梅耶拉Coriacea提取物对细菌和酵母菌的抗菌活性.
- 为了确定负责观察到的生物活性的化合物.
主要方法:
- 确定各种植物提取物的最小抑制度 (MIC).
- 使用高性能液体染色学-电子喷雾电离-高分辨率质谱/质谱 (HPLC-ESI-HRMS/MS) 和全球自然产品社会分子网络 (GNPS) 的复制.
- 活性提取物的分化和染色学分析.
主要成果:
- 乙醇根提取物表现出最显著的抗菌活性.
- 从n-hexane和酒分数中分离出了两个高度活性的子分数.
- 鉴定出了三种尚,三种糖化类黄和两种乙烯基醇衍生物.
结论:
- 基尔梅耶拉草根提取物具有有前途的抗菌性质.
- 特定的化合物包括xanthon,flavonoid和acylphoroglucinols,这些化合物有助于其生物活性.
- 这项研究支持了基尔梅耶拉的传统医疗用途.
更多相关视频
08:20Systematic Approach to Identify Novel Antimicrobial and Antibiofilm Molecules from Plants' Extracts and Fractions to Prevent Dental Caries
Published on: March 31, 2021
6.2K
09:18Assessing the Putative Anticryptococcal Properties of Crude and Clarified Extracts from Mollusks
Published on: December 2, 2022
1.0K
相关概念视频
Chemical Agents for Microbial Control
1.6K
Chemicals play important roles in controlling microbial growth by targeting microbial structures and functions as sanitizers, antiseptics, disinfectants, and sterilants.Alcohols are commonly used sanitizers, effectively disrupting lipid membranes, which compromises cell integrity. They are also used as antiseptics and disinfectants due to their rapid action and versatility.Phenols and their derivatives phenolics , known for denaturing proteins and disrupting cell membranes, are particularly...
1.6K
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
iChip
105
The cultivation of environmental microorganisms has long been hindered by the inability to replicate complex native conditions in vitro. The isolation chip (iChip) addresses this limitation by facilitating the growth of previously uncultivable microorganisms through in situ incubation. Designed for high-throughput microbial cultivation, the iChip comprises hundreds of microchambers, each capable of housing a single microbial cell. These microchambers are loaded with a mixture of molten agar and...
105
Clinical Significance of Antibiotic Resistance
90
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...
90
