Bioactive phenazines from an earwig-associated Streptomyces sp.

文献类型: 外文期刊

第一作者: Han Hao

作者: Han Hao;Zhang Bo;Zhang Mei;Shi Jing;Li Wei;Jiao Rui-Hua;Tan Ren-Xiang;Ge Hui-Ming;Guo Zhi-Kai;Tan Ren-Xiang

作者机构:

关键词: Earwig-associated actinomycete; Phenazine; Biosynthetic pathway; Antimicrobial activity; Acetylcholinesterase inhibitory activity

期刊名称:CHINESE JOURNAL OF NATURAL MEDICINES ( 影响因子:3.0; 五年影响因子:2.869 )

ISSN: 2095-6975

年卷期: 2019 年 17 卷 6 期

页码:

收录情况: SCI

摘要: Three new phenazine-type compounds, named phenazines SA-SC (1-3), together with four new natural products (4-7), were isolated from the fermentation broth of an earwig-associated Streptomyces sp. NA04227. The structures of these compounds were determined by extensive analyses of NMR, high resolution mass spectroscopic data, as well as single-crystal X-ray diffraction measurement. Sequencing and analysis of the genome data allowed us to identify the gene cluster (spz) and propose a bio-synthetic pathway for these phenazine-type compounds. Additionally, compounds 1-5 exhibited moderate inhibitory activity against acetylcholinesterase (AChE), and compound 3 showed antimicrobial activities against Micrococcus luteus.

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