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Bacillus licheniformis isolated from Korean traditional food sources enhances the resistance of Caenorhabditis elegans to infection by Staphylococcus aureus

  • Hyun Sun Yun
  • , Ju Hee Heo
  • , Seok Jun Son
  • , Mi Ri Park
  • , Sangnam Oh
  • , Min Ho Song
  • , Jong Nam Kim
  • , Gwang Woong Go
  • , Ho Seong Cho
  • , Nag Jin Choi
  • , Seung Wha Jo
  • , Do Youn Jeong
  • , Younghoon Kim*
  • *Corresponding author for this work
  • Jeonbuk National University
  • Microbial Institute for Fermentation Industry
  • Chungnam National University
  • Kookmin University

Research output: Contribution to journalJournal articlepeer-review

Abstract

We investigated whether Bacillus spp., newly isolated from Korean traditional food resources, influence the resistance of hosts to foodborne pathogens, by using Caenorhabditis elegans as a surrogate host model. Initially, we selected 20 Bacillus spp. that possess antimicrobial activity against various foodborne pathogens, including Staphylococcus aureus. Among the selected strains, six strains of Bacillus spp. used in preconditioning significantly prolonged the survival of nematodes exposed to S. aureus. Based on 16S rRNA gene sequencing, all six strains were identified as B. licheniformis. Our findings suggest that preconditioning with B. licheniformis may modulate the host defense response against S. aureus.

Original languageEnglish
Pages (from-to)1105-1108
Number of pages4
JournalJournal of Microbiology and Biotechnology
Volume24
Issue number8
DOIs
StatePublished - 2014.06.9

Keywords

  • Antimicrobial activity
  • Bacillus licheniformis
  • Caenorhabditis elegans
  • Defense response
  • Korean traditional foods

Quacquarelli Symonds(QS) Subject Topics

  • Biological Sciences

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