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张长生研究团队在《J. Antibiot.》发表文章

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时间:2011-09-07  作者:lmb  来源:文本大小:【 |  | 】  【打印

题目: Lobophorins E and F, new spirotetronate antibiotics from a South China Sea-derived Streptomyces sp. SCSIO 01127. 

作者: Niu S, Li S, Chen Y, Tian X, Zhang H, Zhang G, Zhang W, Yang X, Zhang S, Ju J, Zhang C* 

刊物: J. Antibiot.,(IF=1.628IV区)

刊号: 2011, 64(11):711-716 

摘要: The strain SCSIO 01127, isolated from the South China Sea sediment, was identified as a member ofStreptomyces by the 16S rDNA sequence analysis. Two new spirotetronate antibiotics lobophorins E (1) and F (2), along with two known analogs lobophorins A (3) and B (4), were isolated fromStreptomyces sp. SCSIO 01127. Their structures were elucidated on the basis of detailed IR, NMR and MS spectroscopic analyses. The new compound lobophorin F (2) showed antibacterial activities against Staphylococcus aureus ATCC 29213 and Enterococcus faecalis ATCC 29212 with MIC values of 8μgml(-1) for both the strains, better than that of lobophorin B (4). Lobophorin F (2) also displayed better cytotoxic activities than lobophorin B (4), with IC(50) of 6.82, 2.93 and 3.16μM against SF-268, MCF-7 and NCI-H460, respectively. 

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