数字农科院2.0

Effectiveness of newly isolated bacteriophages targeting multidrug-resistant Extraintestinal Pathogenic Escherichia coli strain (TZ1_3) in food preservation and mice health modulation

文献类型： 外文期刊

作者： Youshun Jin;Wei Li;Hafiz Muhammad Hamza Rasool;Xuan Ning;Xuli Ba;Yidan Gao;Xinyu Guo;Tao Ran;Jizhang Zhou

作者机构：

关键词： Food biocontrol;Gut microbiota;Multi-drug-resistant bacteria;Phage therapy;Phages;Short chain fatty acids

期刊名称： Food Chemistry

ISSN： 0308-8146

年卷期： 2025 年 472 卷

页码：

收录情况： SCIE（2025版） ; ; EI（2025版）

摘要： Bacteriophages are promising alternatives for combating multidrug-resistant bacterial infections. Two lytic bacteriophages, named P1 and P3, targeting pathogenic Escherichia coli (ExPEC; strain TZ1_3) were isolated and evaluated for their potential ability to control pathogenic numbers either in ExPEC-contaminated food or ExPEC-infected mice. Results showed that phages significantly reduced ExPEC numbers within 6 and 12 h in contaminated water, milk, beef, and chicken when applied at 106 plaque-forming units (PFU). Notably, phage therapy administered via intraperitoneal injection (1012 PFU) effectively reduced ExPEC numbers in the heart, liver, spleen and kidney, restored α-diversity of gut microbes, and increased levels of acetic (13.98 %–37.58 %) and valeric acid (10.27 %–31.51 %) in ExPEC-infected mice. Additionally, phage injections caused no detrimental effects on body weight (which increased by 6.49 %–8.11 %), and on gut microbes in healthy mice. Overall, this study highlights the potential of phages in controlling foodborne microorganisms.

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