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Manipulation of Alcohol and Short-Chain Fatty Acids in the Metabolome of Commensal and Virulent Klebsiella pneumoniae by Linolenic Acid

机译:亚麻酸对人肺炎克雷伯菌和剧毒肺炎克雷伯菌的代谢组中酒精和短链脂肪酸的操纵

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摘要

Endogenous alcohol produced by the gut microbiome is transported via the bloodstream to the liver for detoxification. Gut dysbiosis can result in chronic excess alcohol production that contributes to the development of hepatic steatosis. The aim of this study was to examine whether linolenic acid can manipulate the production of harmful alcohol and beneficial short-chain fatty acids (SCFAs) in the metabolome of commensal ( ) and the virulent K1 serotype. Glucose fermentation by the K1 serotype yielded increased production of alcohol and decreased SCFAs (especially acetate and propionate) compared to those of commensal . However, the use of linolenic acid instead of glucose significantly reduced alcohol and increased SCFAs in the fermentation media of the K1 serotype. The work highlights the value of shaping the microbial metabolome using , which can potentially regulate the gut–liver axis for the prevention and treatment of alcohol-induced liver diseases.
机译:肠道微生物组产生的内源性酒精通过血液运输到肝脏进行解毒。肠道功能紊乱会导致慢性过量酒精生成,从而导致肝脂肪变性的发展。这项研究的目的是研究亚麻酸是否可以操纵com代谢()和强毒K1血清型的代谢组中有害醇和有益短链脂肪酸(SCFA)的产生。与普通方法相比,通过K1血清型进行的葡萄糖发酵可提高酒精产量,并减少SCFA(尤其是乙酸盐和丙酸盐)。但是,使用亚麻酸代替葡萄糖会大大降低K1血清型发酵培养基中的酒精含量并增加SCFA。这项工作强调了使用塑造微生物代谢组的价值,它可以潜在地调节肠肝轴,以预防和治疗酒精引起的肝病。

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