A New Dioic Acid from a wbl Gene Mutant of Deepsea-Derived Streptomyces somaliensis SCSIO ZH66.

A New Dioic Acid from a wbl Gene Mutant of Deepsea-Derived Streptomyces somaliensis SCSIO ZH66.
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来自深海来源的索马里链霉菌 SCSIO ZH66 的 wbl 基因突变体的新二酸

DOI:
10.3390/md14100184
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发表时间:
2016-10-17
期刊:
影响因子:
5.4
通讯作者:
Li W
Li W
中科院分区:
医学2区
文献类型:
--
作者:
Huang H;Li H;Qiu Y;Hou L;Ju J;Li W

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wblAso基因在深海来源的索马里链霉菌SCSIO ZH 66中以负向方式作为全局调控基因发挥功能。从菌株ΔwblAso中分离得到一个新的二元酸(1)和两个已知的丁烯内酯(2和3)。索马里种SCSIO ZH 66.化合物1的结构通过质谱和核磁共振等波谱分析方法进行了鉴定。在细胞生长抑制评价中,化合物3对人肝癌细胞系(Huh 7.5)表现出中等活性,IC 50值为19.4 μg/mL,而化合物1和2在高达100 μg/mL时显示无效活性。
The wblAso gene functions as a global regulatory gene in a negative manner in deepsea-derived Streptomyces somaliensis SCSIO ZH66. A new dioic acid (1) as well as two known butenolides (2 and 3) were isolated from the ΔwblAso mutant strain of S. somaliensis SCSIO ZH66. The structure of 1 was elucidated by a combination of spectroscopic analyses, including MS and NMR techniques. In the cell growth inhibitory evaluation, compound 3 exhibited moderate activity against the human hepatic carcinoma cell line (Huh7.5) with an IC50 value of 19.4 μg/mL, while compounds 1 and 2 showed null activity up to 100 μg/mL.
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