有关阿皮乌姆 (Apium graveolens) 的阿斯伯吉卢斯 (Aspergillus sp. : 代谢概况和抗MRSA潜力得到了in silico研究的支持
Alshymaa Abdel-Rahman Gomaa1, Hesham A Abou-Zied2, Sara Mahmoud Farhan3
1Department of Pharmacognosy, Faculty of Pharmacy, Minia University, Minia, 61519, Egypt.
Microbial cell factories
|March 8, 2025
概括
这项研究发现,从内菌中提取的提取物Aspergillus sp. SH1显示出对抗抗甲素耐药黄金葡萄球菌 (MRSA) 的强有力的活性. 这种真菌提取物可能会导致对抗MRSA感染的新疗法.
科学领域:
- 微生物学 微生物学
- 自然产品化学 自然产品化学
- 药理学 药理学是指药理学的学科.
背景情况:
- 甲素耐药黄金葡萄球菌 (MRSA) 是难以治疗的医疗相关感染的主要原因.
- 抗生素耐药性的出现需要发现新的治疗剂.
- 内生菌被认为是具有抗菌性质的生物活性化合物的有前途来源.
研究的目的:
- 为了研究内性真菌Aspergillus sp.的抗MRSA潜力. 这就是SH1.
- 进行真菌提取物的代谢分析,以确定生物活性化合物.
- 评估已识别的化合物与MRSA相关的标的in silico结合相互作用.
主要方法:
- 液体染色学-高分辨率电子喷雾电离质谱仪 (LC-HR-ESI-MS) 用于代谢分析.
- 在体外抗MRSA活性测定以确定IC50值.
- 在基分子对接研究中,针对MRSA标 (TLR2,VWF,TNF,PBP2a).
主要成果:
- 代谢分析发现了来自Aspergillus sp.的27种化合物. 一个SH1提取物.
- 这种真菌提取物表现出强烈的抗MRSA活性,IC50为9.8μg/mL,性能优于西普洛素.
- 几种化合物 (2,9,15,16,20,22,25) 在中显示出与MRSA标具有显著的结合 afinities.
结论:
- 亚斯伯菌 sp. 的情况. SH1提取物对MRSA具有显著的抗菌活性.
- 这些已识别的化合物显示出开发新型抗MRSA药物的分子的潜力.
- 这项研究支持探索内菌作为对抗抗生素耐药细菌的来源.
更多相关视频
09:21Inhibition of Aspergillus flavus Growth and Aflatoxin Production in Transgenic Maize Expressing the α-amylase Inhibitor from Lablab purpureus L.
Published on: February 15, 2019
10.5K
08:34MS2-Affinity Purification Coupled with RNA Sequencing in Gram-Positive Bacteria
Published on: February 23, 2021
6.6K
相关概念视频
Mechanism of Antibiotic Resistance in MRSA
Antibiotic resistance in bacteria arises when microorganisms evolve the ability to withstand drugs designed to kill them or inhibit their growth, rendering once-effective treatments useless. This phenomenon, driven by genetic change and selection under antibiotic exposure, poses a profound threat to modern medicine. Mechanisms include drug-inactivating enzymes (e.g., β-lactamases), efflux pumps that eject antibiotics, mutations altering antibiotic targets, decreased drug uptake, and acquisition...
Clinical Significance of Antibiotic Resistance
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 the One...
