共同培养和媒介优化:发现真菌衍生的蛋白酶抑制剂的策略
Vitor de Souza Mazucato1, Ludmilla Tonani2, Marcia Regina von Zeska Kress2
1Department of BioMolecular Sciences, Ribeirão Preto School of Pharmaceutical Sciences, University of São Paulo, Ribeirao Preto, Brazil.
Chemistry & biodiversity
|September 2, 2025
概括
菌类的共同培养产生了具有显著的帕帕因抑制,抗Trypanosoma cruzi和抗菌活性的新化合物. 这种方法提高了用于治疗的生物活性剂的发现.
科学领域:
- 菌群学
- 自然产品化学
- 药理学
背景情况:
- 菌类的共同培养是发现新一代二次代谢物的有希望的策略.
- Fusarium guttiforme和Phytophthora palmivora是已知的生物活性化合物的生产者.
研究的目的:
- 调查Fusarium guttiforme和Phytophthora palmivora共同培养的潜力,以增强二次代谢物的产生.
- 评估提取的化合物的生物活性,重点关注蛋白酶抑制,抗寄生虫和抗真菌特性.
主要方法:
- 在四种不同的媒介中培养真菌 (马糖,Czapek,大米,ISP2).
- 在Fusarium guttiforme和Phytophthora palmivora的共同培养中.
- 二次代谢物的提取和分化.
- 对帕帕因抑制活性,对Trypanosoma cruzi活性和对Candida spp的抗真菌活性进行测试.
主要成果:
- 包括酸复合物 (2),血素 (4) 和其它化合物的分离.
- 化合物2和4具有显著的帕帕因抑制活性 (IC50< 20μM).
- 化合物2和4显示出显著的抗Trypanosoma cruzi活性 (IC50值分别为12. 19微米和13. 32微米).
- 对Candida spp的抗真菌活性 对化合物2和9,10-脱酸复合物的复合物 (3) (MIC为50μg/mL) 进行观察.
结论:
- 菌类的共同培养和多种培养基是发现生物活性化合物的有效策略.
- 这些已识别的化合物具有作为新型蛋白酶抑制剂和抗寄生虫剂的潜力.
- 这些化合物的进一步研究可能会带来新的治疗应用.
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