文献类型： 外文期刊
作者： Ren, Ziming 1 ; Yang, Li 2 ; Ma, Qingyun 2 ; Xie, Qingyi 2 ; Dai, Haofu 2 ; Sun, Kunlai 1 ; Zhao, Youxing 2 ;
作者机构： 1.Zhejiang Ocean Univ, Zhejiang Prov Engn Technol Res Ctr Marine Biomed P, Sch Food & Pharm, Zhoushan 316022, Peoples R China
2.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Haikou Key Lab Res & Utilizat Trop Nat Prod, Haikou 571101, Peoples R China
3.Hainan Acad Trop Agr Resource, Hainan Key Lab Protect & Utilizat Trop Bioresource, Haikou 571101, Peoples R China
关键词： marine-derived fungi; Trametes sp; spiromeroterpenoid; alpha-glucosidase inhibitory activity; antibacterial activity
期刊名称：MOLECULES （ 影响因子：4.927； 五年影响因子：5.11 ）
ISSN：
年卷期： 2022 年 27 卷 24 期
页码：
收录情况： SCI
摘要： Marine fungi can metabolize structurally diverse active components, and have become an important source of drug lead molecules. In the present study, the chemical investigation on the EtOAc extract of the fermentation broth of the marine-derived fungus Trametes sp. ZYX-Z-16 led to the isolation of eight meroterpenoids (1-8), including two undescribed ones, together with ten ergostane steroid analogues (9-18). The structures of two new spiromeroterpenoids, asnovolin H (1) and asnovolin I (2), were determined based on 1D, 2D NMR, and HRESIMS spectroscopic data along with ECD spectra calculations. All compounds were tested for antibacterial and alpha-glucosidase inhibitory activity. Among them, compound 12 showed definite antibacterial activities against Staphylococcus aureus ATCC 6538 (MIC 32 mu g/mL) and Bacillus subtilis ATCC 6633 (MIC 16 mu g/mL). In addition, compounds 9 and 10 showed superior inhibitory activity, with IC50 values of 104.1 and 111.3 mu M, respectively, to the positive control acarbose (304.6 mu M).
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