Structurally Various Sorbicillinoids From an Endophytic Fungus Acremonium citrinum SS-g13

文献类型: 外文期刊

第一作者: Peng, Xiao-Ping

作者: Peng, Xiao-Ping;Li, Gang;Wang, Li-Mei;Wang, Qi;Ji, Li-Xia;Cao, Chen-Xi;Lin, Guo-Feng;Jiang, Zu-Yang;He, Zhuo-qian;Lou, Hong-Xiang;Wang, Cong;Wang, Pei;Lou, Hong-Xiang

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关键词: sorbicillinoid; trisorbicillinoid; Acremonium; endophyte; Fructus mori

期刊名称:FRONTIERS IN MICROBIOLOGY ( 影响因子:6.064; 五年影响因子:6.843 )

ISSN:

年卷期: 2022 年 13 卷

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收录情况: SCI

摘要: Three new sorbicillinoids, including trimer trisorbicillinone E (1), acremosorbicillinoids A and B (2 and 3), and a new alkaloid acremokaloid A (4), and a new natural product 2S,3S-acetyl-beta-methyltryptophan (5), were isolated from an endophytic fungus Acremonium citrinum SS-g13, which is found in Fructus mori plant root. In addition, eight known sorbicillinoids (6-13) were also obtained. The new compound structures were established using NMR, HRESIMS spectra, and reported spectroscopic data. The absolute configurations of compounds 1-5, were determined by spectroscopic analysis, Snatzke's method, and time-dependent density functional theory-electronic circular dichroism (TDDFT-ECD) calculations. Compound 11 exhibited significant cholesterol efflux enhancing activity. A plausible biosynthesis pathway for the sorbicillinoids is discussed.

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