从深海衍生Aspergillus sp.中发现的新循环二. 在 HDN20-1401 里面
Komal Anjum1, Xiaofei Huang1, Luning Zhou1
1Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao, China.
Natural product research
|June 29, 2023
概括
一种新型的化物,阿斯伯吉化物A,从深海真菌中分离出来. 这种化合物表现出对Bacillus cereus的显著抗菌活性,突出了其在药物发现方面的潜力.
科学领域:
- 自然产品化学 自然产品化学
- 海洋微生物学 海洋微生物学
- 药用化学 医学化学
背景情况:
- 深海衍生真菌是新型生物活性化合物的丰富来源.
- 众所周知,Aspergillus属产生各种具有制药潜力的二次代谢产物.
研究的目的:
- 从深海中衍生出来的阿斯伯吉卢斯 (Aspergillus sp.) 中分离和描述新的化学实体.
- 评估分离化合物的抗微生物和抗癌活性.
主要方法:
- 使用色谱技术分离和净化化合物.
- 使用核磁共振 (NMR) 谱学,高分辨率电喷射电离质谱学 (HRESIMS) 和电子循环二元化 (ECD) 计算进行结构阐明.
- 通过最小抑制度 (MIC) 试验评估的抗菌活性.
主要成果:
- 确定了一种新的类化合物,阿斯伯吉类化合物A (1),具有pyridoindole hydroxymethyl piperazine dione结构.
- 另外,还分离和描述了六种已知的化合物 (2-7).
- 阿斯伯吉拉尔化物A (1) 显示出显著的抑制活性对抗细菌大麦 (MIC = 12.5 μM) 和弱活性对抗抗甲素的凝固性阴性葡萄球菌 Aureus (MRCNS).
结论:
- 阿斯伯吉类甲A是一种新型类化合物,具有对阳性细菌有前途的抗微生物特性.
- 这一发现强调了深海真菌作为新抗微生物药物潜在来源的潜力.
更多相关视频
09:07Single-Step Enrichment of a TAP-Tagged Histone Deacetylase of the Filamentous Fungus Aspergillus nidulans for Enzymatic Activity Assay
Published on: May 1, 2019
6.8K
07:18Natural Product Discovery with LC-MS/MS Diagnostic Fragmentation Filtering: Application for Microcystin Analysis
Published on: May 31, 2019
8.9K
相关概念视频
Peptidoglycan Synthesis
Structure of PeptidoglycanPeptidoglycan is a vital structural component of the bacterial cell wall, providing mechanical strength and shape to the cell. It consists of repeating units of two sugars—N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM)—linked by β-1,4 glycosidic bonds. These sugar chains are cross-linked by short peptide chains, forming a mesh-like polymer that surrounds the bacterial plasma membrane.Cytoplasmic Phase – Precursor SynthesisPeptidoglycan biosynthesis begins in...
Production of Antibiotics
Penicillin, one of the earliest and most widely used antibiotics, is produced industrially by the filamentous fungus Penicillium chrysogenum. Large stirred-tank bioreactors ranging from tens to hundreds of thousands of liters maintain tightly controlled temperature, pH, and dissolved oxygen conditions to support fungal metabolism and maximize antibiotic yield. Penicillin is a secondary metabolite, synthesized primarily during the stationary growth phase, which requires a carefully managed...
