Lactobacillus animalis pZL8a: a potential probiotic isolated from pig feces for further research
文献类型： 外文期刊
第一作者： Jia, Dan
作者： Jia, Dan;Wang, Jiahui;Liu, Junlong;Li, Hehai;Liu, Aihong;Wang, Jinming;Guan, Guiquan;Luo, Jianxun;Yin, Hong;Li, Youquan;Jia, Dan;Wang, Ya;Wang, Jiahui
作者机构：
关键词： Lactobacillus animalis; Probiotic; Intestinal pathogens; Immunity
期刊名称：3 BIOTECH （ 影响因子：2.406； 五年影响因子：3.203 ）
ISSN： 2190-572X
年卷期： 2021 年 11 卷 3 期
页码：
收录情况： SCI
摘要： This study aimed to screen a potential anti-diarrheal probiotic for pigs to meet the growing demand for antibiotic alternatives in livestock. Six intestinal pathogens, Escherichia coli (O157: H7) ATCC 43888, Staphylococcus aureus ATCC 6538, Listeria monocytogenes ATCC 19115, Salmonella Typhimurium ATCC 14028, Shigella boydii ATCC 9207, and Staphylococcus haemolyticus ZSY2 were employed as indicator bacteria. Our result showed that Lactobacillus animalis pZL8a isolated from pig feces had extensive and higher antibacterial activity against indicator pathogens among 9 tested strains. In addition, valuable attributes of pZL8a such as great tolerance of low pH (3.0) and bile salts (0.3%), high-level adhesion to Caco-2 cells, and similar susceptibility to the reference strain Lactobacillus rhamnosus GG (LGG) were observed. Compared with control, pZL8a supplement significantly improved the level of immunoglobulin G (IgG), immunoglobulin M (IgM), and interleukin-2 (IL-2) in mouse serum. Therefore, L. animalis pZL8a was proposed as a potential probiotic for further research and hope to reduce or replace the application of antibiotics in animal production.
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