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논문 기본 정보

자료유형
학술저널
저자정보
Kwon Yoo Jin (Probiotics Research Laboratory Chong Kun Dang Bio Research Institute (CKDBIO) Gyeonggi 15064 Republ) Chun Byung Hee (Department of Life Science Chung-Ang University Seoul 06974 Republic of Korea) Jung Hye Su (Department of Life Science Chung-Ang University Seoul 06974 Republic of Korea) Chu Jaeryang (Probiotics Research Laboratory Chong Kun Dang Bio Research Institute (CKDBIO) Gyeonggi 15064 Republ) Joung Hyunchae (Probiotics Research Laboratory Chong Kun Dang Bio Research Institute (CKDBIO) Gyeonggi 15064 Republ) Park Sung Yurb (Probiotics Research Laboratory Chong Kun Dang Bio Research Institute (CKDBIO) Gyeonggi 15064 Republ) Kim Byoung Kook (Probiotics Research Laboratory Chong Kun Dang Bio Research Institute (CKDBIO) Gyeonggi 15064 Republ) 전체옥 (중앙대학교)
저널정보
한국미생물생명공학회 Journal of Microbiology and Biotechnology Journal of Microbiology and Biotechnology 제31권 제10호
발행연도
2021.10
수록면
1,420 - 1,429 (10page)
DOI
10.4014/jmb.2106.06066

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초록· 키워드

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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 Lactiplantibacillus (Lp., formerly Lactobacillus) plantarum. Antimicrobial resistance (AMR) genes were bioinformatically analyzed using all Lp. plantarum genomes available in GenBank, which showed that AMR genes are present differently depending on Lp. plantarum 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 Lp. plantarum. 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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