首页> 外文期刊>The Journal of Antibiotics: An International Journal >Antibiotic repurposing: bis-catechol- and mixed ligand (bis-catechol-mono-hydroxamate)-teicoplanin conjugates are active against multidrug resistant Acinetobacter baumannii
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Antibiotic repurposing: bis-catechol- and mixed ligand (bis-catechol-mono-hydroxamate)-teicoplanin conjugates are active against multidrug resistant Acinetobacter baumannii

机译:抗生素修复:双 - 儿茶酚和混合配体(双 - 儿茶酚 - 单羟肟酸酯) - Teicoplanin缀合物对多药抗性抗杆菌菌有活性Baumannii

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摘要

Antibiotics that are normally used to treat infections caused by Gram-positive bacteria might be made effective against Gram-negative bacterial infections, if they can circumvent permeability barriers and antibiotic deactivation processes associated with Gram-negative bacteria. Herein we report syntheses of bis-catechol-teicoplanin and mixed ligand catechol-hydroxamate-teicoplanin conjugates. Antibacterial activity assays revealed that conjugation of teicoplanin, which is only known to be active against Gram-positive bacteria, to the siderophore mimics induced potent activity against multidrug resistant strains of select Gram-negative bacteria (Acinetobacter baumannii) while retaining moderate activity against Gram-positive bacteria (Staphylococcus aureus).
机译:如果可以对革兰氏阴性细菌感染有效,通常用于治疗由革兰氏阳性细菌引起的感染的抗生素,如果可以避免与革兰氏阴性细菌相关的渗透性屏障和抗生素去激活方法,则可能对革兰氏阴性细菌感染有效。 在本文中,我们报告了双 - 儿茶酚-Teicoplanin和混合配体儿茶酚 - 羟胺 - 滴霉素缀合物的合成。 诱导抗菌活性测定揭示了丁二丙烯蛋白的缀合,该蛋白蛋白是有效针对革兰氏阳性细菌的诱导诱导抗软化细菌的多药抗性菌株(AcineTobacterBaumannii)的有效活性,同时保持对克的中等活动 阳性细菌(金黄色葡萄球菌)。

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