Antimicrobial activity against Staphylococcus aureus and genome features of Lactiplantibacillus plantarum LR-14 from Sichuan pickles

被引：0
作者：
Shuhui Yang
Lei Liu
Jingwen Wang
Shuyu Guo
Guorong Liu
Xing Chen
Xi Deng
Mingxia Tu
Yufei Tao
Yu Rao
机构：
[1] Xihua University,School of Food Science and Bioengineering
[2] Beijing Engineering and Technology Research Center of Food Additives,undefined
[3] Beijing Technology and Business University (BTBU),undefined
[4] China Institute of Veterinary Drug Control,undefined
来源：
Archives of Microbiology | 2022年 / 204卷
关键词：
Antibacterial activity; Biofilm; Genome sequencing;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The persistence of Staphylococcus aureus within biofilm can lead to contamination of medical devices and life-threatening infections. Luckily, lactic acid bacteria (LAB) have an inhibitory effect on the growth of these bacteria. This study aims to select LAB strains from fermented vegetables, and analyze their potential inhibition activities against S. aureus. In total, 45 isolates of LAB were successfully isolated from Sichuan pickles, and the CFS of Lactiplantibacillus plantarum LR-14 exerted the strongest inhibitory effect against S. aureus. Moreover, S. aureus cells in planktonic and biofilm states both wrinkled and damaged when treated with the CFS of L. plantarum LR-14. In addition, whole genome sequencing analysis indicates that L. plantarum LR-14 contains various functional genes, including predicted extracellular polysaccharides (EPS) biosynthesis genes, and genes participating in the synthesis and metabolism of fatty acid, implying that L. plantarum LR-14 has the potential to be used as a probiotic with multiple functions.
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