Connection between Hexuronate Metabolism and the Ability of Escherichia coli to Adhesion and Biofilm Formation

IF 1.3 4区 生物学 Q4 MICROBIOLOGY
T. A. Bessonova, U. D. Kuznetsova, A. T. Magkaev, M. S. Gelfand, O. N. Ozoline, M. N. Tutukina
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引用次数: 0

Abstract

The formation of bacterial biofilms is an important factor of the chronic infection development, which requires the search for effective ways to prevent it. Here, it was found that hexuronates did not affect the biofilm formation by the probiotic strain Escherichia coli Nissle 1917 and its adhesive properties but reduced the efficiency of biofilm formation by the E. coli K-12 MG1655 strain, enhancing its adhesion to human intestinal carcinoma cells. Regulators of hexuronate metabolism, UxuR and YjjM, were shown to be involved, along with cAMP-CRP, in the control of motility, adhesion and biofilm formation of E. coli K-12 MG1655. In addition, untranslated RNAs encoded in the uxuR gene play an important role inhibiting the main sigma factor of motility.

Abstract Image

己酮酸盐代谢与大肠杆菌粘附和生物膜形成能力之间的联系
摘要细菌生物膜的形成是慢性感染发展的一个重要因素,因此需要寻找有效的方法来预防。研究发现,己酮酸盐不影响益生菌大肠杆菌 Nissle 1917 菌株生物膜的形成及其粘附性,但降低了大肠杆菌 K-12 MG1655 菌株生物膜形成的效率,增强了其对人类肠癌细胞的粘附性。研究表明,己酮酸代谢调节因子 UxuR 和 YjjM 与 cAMP-CRP 一起参与了对大肠杆菌 K-12 MG1655 的运动、粘附和生物膜形成的控制。此外,uxuR 基因编码的非翻译 RNA 在抑制运动的主要 sigma 因子方面发挥了重要作用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Microbiology
Microbiology 生物-微生物学
CiteScore
2.40
自引率
13.30%
发文量
60
审稿时长
6-12 weeks
期刊介绍: Microbiology is an is an international peer reviewed journal that covers a wide range of problems in the areas of fundamental and applied microbiology. The journal publishes experimental and theoretical papers, reviews on modern trends in different fields of microbiological science, and short communications with descriptions of unusual observations. The journal welcomes manuscripts from all countries in the English or Russian language.
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