A new secondary metabolite from the fermented mycelia of Streptomyces antibiotic H41-55

文献类型: 外文期刊

第一作者: Li, Xian-Sheng

作者: Li, Xian-Sheng;Zheng, Xin-Heng;Chen, Fang;Zhou, Guang-Xiong;Lin, Bi-Run

作者机构:

关键词: Streptomyces antibiotic; strain identification; streptomyceamide D; cytotoxicity; antifungal activity

期刊名称:JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH ( 影响因子:1.569; 五年影响因子:1.598 )

ISSN: 1028-6020

年卷期: 2018 年 20 卷 8 期

页码:

收录情况: SCI

摘要: An actinomycete strain, H41-55 from sea sediment was identified as Streptomyces antibiotic on the basis of its morphological, physiological and biochemical characteristics as well as 16S rDNA data. A new secondary metabolite, (2S,3R)-N-[3-(formylamino)-2-hydroxybenzoyl]-l-threonine propyl ester (1), together with five known compounds was isolated from fermentation product by use of silica gel and Sephadex LH-20 column chromatography, and preparative RP-C18 HPLC, and identified by HR-TOF-MS and NMR spectra. The cytotoxicities of these isolates against three cancer cell lines and their antifungal activities on Candida albicans were tested. Compounds 1, 3, 5, and 6 displayed moderate cytotoxicity. 5 and 6 showed inhibitory activity on C. albicans. [GRAPHICS] .

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