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首页> 外文期刊>The Journal of Antibiotics: An International Journal >The genus Actinoallomurus and some of its metabolites.
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The genus Actinoallomurus and some of its metabolites.

机译:猕猴桃属及其一些代谢产物。

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摘要

In the search for novel antibiotics, natural products continue to represent a valid source of bioactive molecules. During a program aimed at identifying previously unreported taxa of actinomycetes as potential source of novel compounds, we isolated hundreds of different representatives of a new group, initially designated as 'Alpha' and independently described as Actinoallomurus. We report on a PCR-specific method for the detection of this taxon, on appropriate growth conditions and on a pilot-screening program on 78 strains. The strains produce antibacterial or antifungal compounds at a relatively high frequency. Four strains were characterized in further detail: one produced the aromatic polyketide benanomicin B and its dexylosyl derivative; a second strain produced N-butylbenzenesulfonamide; a third strain was an efficient converter of soymeal isoflavonoids from soymeal constituents; and a fourth strain produced several coumermycin-related aminocoumarins, with coumermycin A2 as the major peak, and with some new congeners as minor components of the complex. These data suggest that Actinoallomurus strains possess several pathways for secondary metabolism and represent an attractive source in the search for novel antibiotics.
机译:在寻找新型抗生素时,天然产物继续代表生物活性分子的有效来源。在旨在识别以前未报告的放线菌类群作为新化合物潜在来源的计划中,我们分离了一个新小组的数百个不同代表,这些代表最初被命名为“ Alpha”,并被独立地描述为放线菌。我们报告了一种检测该类群的PCR特异性方法,适当的生长条件以及对78个菌株的中试筛选计划。该菌株以相对较高的频率产生抗菌或抗真菌化合物。进一步详细表征了四株菌株:一株产生了芳香族聚酮化合物贝那霉素B及其右旋糖基衍生物。第二株产生N-丁基苯磺酰胺;第三株是从豆粕成分中高效转化豆粕异黄酮的化合物。第四株产生几种与香豆素相关的氨基香豆素,其中以香豆素A2为主要峰,并以一些新的同源物作为该复合物的次要成分。这些数据表明放线放线菌菌株具有若干次生代谢途径,并且代表了寻找新型抗生素的诱人来源。

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