Antibacterial Effect of Berberrubine on the Salmonella typhimurium Type III Secretion System

Won Sik Choi, Tae Hun Lee, Se Jin Son, Yeo Reum Park, Tae Young Lee, Ahsan Javed, Deokyeong Choe, Solomon L. Kim, Sung Uk Kim, Sang Han Lee

Research output: Contribution to journalArticlepeer-review

Abstract

The increasing antimicrobial drug resistance of Salmonella typhimurium has been a major public health problem in many countries. The type III secretion system (TTSS) of S typhimurium is an attractive target for the development of new antibiotics against this bacterium. In this study, we determined whether berberrubine derived from Berberis vulgaris could inhibit TTSS expression in S typhimurium. Berberrubine inhibited TTSS expression at a concentration of 60.9 µM. Additionally, TTSS-related mRNA expression of sipA, sipB, sopA, and sopD was downregulated in the presence of berberrubine. Collectively, we anticipate that berberrubine can be a useful tool to prevent the risks of infections caused by pathogenic bacteria.

Original languageEnglish
JournalNatural Product Communications
Volume18
Issue number9
DOIs
StatePublished - Sep 2023

Keywords

  • Berberis vulgaris
  • berberrubine
  • infection
  • Salmonella typhimurium
  • type III secretion system

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