In vitro and in vivo antimicrobial efficacy of natural plant-derived compounds against Vibrio cholerae of O1 El Tor Inaba serotype

Hyung Ip Kim, Ji Ae Kim, Eun Jin Choi, Jason B. Harris, Seong Yeop Jeong, Seok Jun Son, Younghoon Kim, Ok Shin

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

In this study, we investigated antibacterial activities of 20 plant-derived natural compounds against Gram-negative enteric pathogens. We found that both flavonoids and non-flavonoids, including honokiol and magnolol, possess specific antibacterial activities against V. cholerae, but not against other species of Gram-negative bacterium which we tested. Using various antibacterial assays, we determined that there was a dose-dependent bactericidal and biofilm inhibitory activity of honokiol and magnolol against Vibrio cholerae. In addition to antibacterial activities, these molecules also induced an attenuating effect on reactive oxygen species (ROS) production and pro-inflammatory responses generated by macrophages in response to lipopolysaccharides (LPS). Additionally, Caenorhabditis elegans lethality assay revealed that honokiol and magnolol have an ability to extend a lifespan of V. cholerae-infected worms, contributing to prolonged survival of worms after lethal infection. Altogether, our data show for the first time that honokiol and magnolol may be considered as attractive protective or preventive food adjuncts for cholera.

Original languageEnglish
Pages (from-to)475-483
Number of pages9
JournalBioscience, Biotechnology and Biochemistry
Volume79
Issue number3
DOIs
Publication statusPublished - 2015

Fingerprint

Vibrio cholerae O1
Phytochemicals
Vibrio cholerae
Assays
Macrophages
Cholera
Caenorhabditis elegans
Biofilms
Pathogens
Gram-Negative Bacteria
Flavonoids
Lipopolysaccharides
Reactive Oxygen Species
Bacteria
Food
Molecules
Serogroup
In Vitro Techniques
honokiol
magnolol

Keywords

  • Antibacterial effect
  • C. Elegans
  • Honokiol
  • Magnolol
  • V. Cholerae

ASJC Scopus subject areas

  • Biotechnology
  • Biochemistry
  • Molecular Biology
  • Applied Microbiology and Biotechnology
  • Analytical Chemistry
  • Organic Chemistry

Cite this

In vitro and in vivo antimicrobial efficacy of natural plant-derived compounds against Vibrio cholerae of O1 El Tor Inaba serotype. / Kim, Hyung Ip; Kim, Ji Ae; Choi, Eun Jin; Harris, Jason B.; Jeong, Seong Yeop; Son, Seok Jun; Kim, Younghoon; Shin, Ok.

In: Bioscience, Biotechnology and Biochemistry, Vol. 79, No. 3, 2015, p. 475-483.

Research output: Contribution to journalArticle

Kim, Hyung Ip ; Kim, Ji Ae ; Choi, Eun Jin ; Harris, Jason B. ; Jeong, Seong Yeop ; Son, Seok Jun ; Kim, Younghoon ; Shin, Ok. / In vitro and in vivo antimicrobial efficacy of natural plant-derived compounds against Vibrio cholerae of O1 El Tor Inaba serotype. In: Bioscience, Biotechnology and Biochemistry. 2015 ; Vol. 79, No. 3. pp. 475-483.
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