Discovery of MK8383s with Antifungal Activity from Mangrove Endophytic Fungi Medicopsis sp. SCSIO 40440 Against Fusarium Wilt of Banana.

IF 4.9 2区医学 Q1 CHEMISTRY, MEDICINAL Marine Drugs Pub Date : 2025-02-18 DOI:10.3390/md23020088

Tianyu Zhou, Yulei Qiao, Lu Wang, Zifeng Li, Haibo Zhang, Liping Zhang, Shengrong Liao, Minhui Li, Changsheng Zhang, Wenjun Zhang

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Abstract

Fusarium wilt of banana (FWB), caused by Fusarium oxysporum f. sp. cubense (Foc) tropical race 4 (TR4), poses a severe threat to the global banana industry. The screening of endophytic fungi from the mangrove plant led to the identification of Medicopsis sp. SCSIO 40440, which exhibited potent antifungal activity against Fusarium. The further fraction of the extract yielded ten compounds, including MK8383 (1) and nine new analogues, MK8383s B-J (2-10). The structures of 1-10 were elucidated using extensive spectroscopic data and single-crystal X-ray diffraction analysis. In vitro antifungal assays revealed that 1 showed strongly antifungal activities against Foc TR4, with an EC₅₀ of 0.28 μg/mL, surpassing nystatin and hygromycin B (32 and 16 μg/mL, respectively). Pot experiments showed that 1 or spores of SCSIO 40440 could significantly reduce the virulence of Foc TR4 on Cavendish banana.

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来源期刊

Marine Drugs 医学-医药化学

CiteScore

9.60

自引率

14.80%

发文量

671

审稿时长

1 months

期刊介绍： Marine Drugs (ISSN 1660-3397) publishes reviews, regular research papers and short notes on the research, development and production of drugs from the sea. Our aim is to encourage scientists to publish their experimental and theoretical research in as much detail as possible, particularly synthetic procedures and characterization information for bioactive compounds. There is no restriction on the length of the experimental section.