Neocitreamicins I and II, novel antibiotics with activity against methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococci.

Neocitreamicins I and II, novel antibiotics with activity against methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococci.
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DOI:
10.1038/ja.2008.62
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发表时间:
2008-07
期刊:
The Journal of antibiotics
影响因子:
--
通讯作者:
--
中科院分区:
其他
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从诺卡氏菌属菌株的发酵液中分离出两种新的抗生素,新柠檬霉素I和II。该生产菌株是使用有利于土壤微生物培养的原位扩散室获得的。使用UV、MS和NMR数据对新柠檬霉素I和II的结构进行了光谱解析,发现其与柠檬霉素类的多环口山酮抗生素有关。新柠檬酸霉素显示出体外抗革兰氏阳性菌的活性,包括耐甲氧西林金黄色葡萄球菌和耐万古霉素粪肠球菌菌株。
Two novel antibiotics, neocitreamicins I and II, were isolated from a fermentation broth of a Nocardia strain. This producing strain was obtained using an in situ diffusion chamber that facilitates the cultivation of soil microorganisms. The structures of neocitreamicins I and II were elucidated spectroscopically using UV, MS, and NMR data, and found to be related to the polycyclic xanthone antibiotics of the citreamicin class. The neocitreamicins showed in vitro activity against Gram-positive bacteria including strains of methicillin-resistant Staphylococcus aureus and vancomycin-resistant Enterococcus faecalis.
DOI: 10.7164/antibiotics.41.502
发表时间: 1988-04-01
影响因子: 3.3
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