New Antibacterial Phenone Derivatives Asperphenone A-C from Mangrove-Derived Fungus Aspergillus sp YHZ-1
文献类型： 外文期刊
第一作者： Guo, Zhi-Kai
作者： Guo, Zhi-Kai;Zhou, Yi-Qin;Han, Hao;Wang, Wen;Xiang, Lang;Deng, Xin-Zhao;Ge, Hui-Ming;Jiao, Rui-Hua;Guo, Zhi-Kai
作者机构：
关键词： mangrove endophyte; Aspergillus sp; marine natural product; asperphenone; antibacterial activity
期刊名称：MARINE DRUGS （ 影响因子：5.118； 五年影响因子：5.951 ）
ISSN： 1660-3397
年卷期： 2018 年 16 卷 2 期
页码：
收录情况： SCI
摘要： Marine fungi are a promising source of novel bioactive natural products with diverse structure. In our search for new bioactive natural products from marine fungi, three new phenone derivatives, asperphenone A-C (1-3), have been isolated from the ethyl acetate extract of the fermentation broth of the mangrove-derived fungus, Aspergillus sp. YHZ-1. The chemical structures of these natural products were elucidated on the basis of mass spectrometry, one- and two-dimensional NMR spectroscopic analysis and asperphenone A and B were confirmed by single-crystal X-ray crystallography. Compounds 1 and 2 exhibited weak antibacterial activity against four Gram-positive bacteria, Staphylococcus aureus CMCC(B) 26003, Streptococcus pyogenes ATCC19615, Bacillus subtilis CICC 10283 and Micrococcus luteus, with the MIC values higher than 32.0 mu M.
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