Safety Assessment of (formerly ) Plantarum Q180

Overview

Journal J Microbiol Biotechnol

Specialties Biotechnology
Microbiology

Date 2021 Aug 10

PMID 34373437

Citations 8

Authors

Yoo Jin Kwon

Byung Hee Chun

Hye Su Jung

Jaeryang Chu

Hyunchae Joung

Sung Yurb Park

Byoung Kook Kim

Che Ok Jeon

Affiliations

Soon will be listed here.

Abstract

The safety of the probiotic strain Q180, which exerts postprandial lipid-lowering effects, was bioinformatically and phenotypically evaluated. The genome of strain Q180 was completely sequenced, and single circular chromosome of 3,197,263 bp without any plasmid was generated. Phylogenetic and related analyses using16S rRNA gene and whole-genome sequences revealed that strain Q180 is a member of (., formerly ) . Antimicrobial resistance (AMR) genes were bioinformatically analyzed using all genomes available in GenBank, which showed that AMR genes are present differently depending on strains. Bioinformatic analysis demonstrated that some mobile genetic elements such as prophages and insertion sequences were identified in the genome of strain Q180, but because they did not contain harmful genes such as AMR genes and virulence factor (VF)- and toxin-related genes, it was suggested that there is no transferability of harmful genes. The minimum inhibition concentrations of seven tested antibiotics suggested by the European Food Safety Authority guidelines were slightly lower than or equal to the microbiological cut-off values for . Strain Q180 did not show hemolytic and gelatinase activities and biogenic amine-producing ability. Taken together, this study demonstrated the safety of strain Q180 in terms of absence of AMR genes and VF- and toxin-related genes as a probiotic strain.

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