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首页> 外文期刊>The Journal of Antibiotics: An International Journal >Salinisporamycin, a novel metabolite from Salinispora arenicola. (corrected).
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Salinisporamycin, a novel metabolite from Salinispora arenicola. (corrected).

机译:Salinisporamycin是一种新的代谢产物,来自salinispora arenicola。 (已更正)。

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摘要

A new rifamycin antibiotic, salinisporamycin (1), has been isolated from a culture of a marine actinomycete. The producing organism was identified as Salinispora arenicola [corrected] on the basis of the 16S rRNA sequence. High-resolution FAB-MS established the molecular formula of 1 as C(33)H(43)NO(9). The planar structure of 1 was elucidated by NMR spectral analysis including COSY, heteronuclear single quantum coherence and heteronuclear multiple bond correlation. The relative stereochemistry of 1 was determined on the basis of rotating frame nuclear Overhauser effect spectroscopy. In addition, the solvatochromic behavior of 1 was investigated by measuring the UV spectra. This compound inhibited the growth of A549 cells, the human lung adenocarcinoma cell line, with an IC(50) value of 3 microg ml(-1), and also showed antimicrobial activity.
机译:从海洋放线菌的培养物中分离出一种新的利福霉素抗生素,盐霉素(1)。根据16S rRNA序列将生产生物鉴定为沙门氏菌[Salinispora arenicola [更正]。高分辨率FAB-MS建立1的分子式为C(33)H(43)NO(9)。通过NMR光谱分析阐明了1的平面结构,包括COSY,异核单量子相干性和异核多键相关性。 1的相对立体化学是根据旋转框架核Overhauser效应光谱学确定的。另外,通过测量UV光谱研究了1的溶剂变色行为。该化合物抑制人肺腺癌细胞系A549细胞的生长,IC(50)值为3 microg ml(-1),并且还显示出抗菌活性。

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