创伤弧菌
化学
抗菌剂
圆二色性
枯草芽孢杆菌
立体化学
大肠杆菌
抗菌活性
细胞毒性T细胞
真菌
细菌
植物
生物化学
生物
有机化学
体外
基因
遗传学
作者
Xiaoli Wang,Kunlai Sun,Bin Wang
标识
DOI:10.1002/cbdv.201700501
摘要
Two new pimarane diterpenes, libertellenone M (1) and libertellenone N (2), together with five known compounds were isolated from the culture extract of Eutypella sp. D-1 derived from high-latitude soil of the Arctic. The structures of these compounds were determined by spectroscopic data as well as experimental and calculated electronic circular dichroism (ECD) analysis. Antimicrobial and cytotoxic activities of the isolated compounds were evaluated. Compound 3 exhibited weak antibacterial activity against Escherichia coli, Bacillus subtilis, and Vibrio vulnificus, each with MIC values of 16 μg/mL. Compounds 2 and 3 showed moderate cytotoxic activity against K562 and MCF-7 cell lines with IC50 values of 7.67 and 9.57 μm, respectively.
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