Genomic characterization and probiotic potential of Lactobacillus casei IDCC 3451 isolated from infant faeces

M. Shin, O. H. Ban, Y. H. Jung, J. Yang, Y. Kim

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

Probiotics play an important role in health benefits on the host. However, they also possess potentials for infectivity or in situ toxin production; thus, requiring a comprehensive assessment of their safety. In this study, we report genomic characteristics of a newly isolated Lactobacillus casei IDCC 3451 from infant faeces. Phenotypic assays based on enzyme activities and carbohydrate fermentation profiles represented metabolic features of the strain. Safety evaluation for antimicrobial resistance, biogenic amines production and cytotoxicity to a murine mouse model suggested its safe use as a probiotic strain. Our findings on the genetic background of L. casei IDCC 3451 and its potential features provide a promising functional and safe probiotic strain for the human consumption.

Original languageEnglish
Pages (from-to)578-588
Number of pages11
JournalLetters in Applied Microbiology
Volume72
Issue number5
DOIs
StatePublished - May 2021

Keywords

  • probiotics
  • safety assessment
  • whole genome sequencing

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