In Vitro Antibacterial Mechanism of High-Voltage Electrostatic Field against Acinetobacter johnsonii
文献类型： 外文期刊
作者： Huang, Han 1 ; Gao, Tianqi 1 ; Qian, Xiaoqing 1 ; Wu, Wenjing 1 ; Fan, Xiuzhi 1 ; Shi, Liu 1 ; Xiong, Guangquan 1 ; Ding, Anzi 1 ; Li, Xin 1 ; Qiao, Yu 1 ; Liao, Li 1 ; Wang, Lan 1 ;
作者机构： 1.Minist Agr & Rural Affairs, Inst Agroprod Proc & Nucl Agr Technol, Hubei Acad Agr Sci, Key Lab Agr Prod Cold Chain Logist, Wuhan 430064, Peoples R China
2.Jiangnan Univ, State Key Lab Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
3.Liangnan Univ, Sch Food Sci & Technol, Wuxi 214122, Jiangsu, Peoples R China
4.Hubei Univ Technol, Bioengn & Food Coll, Dept Biomed & Biopharmacol, Wuhan 430068, Peoples R China
关键词： Acinetobacter johnsonii; high-voltage static electric field; biochemical properties; stress-related genes
期刊名称：FOODS （ 影响因子：5.561； 五年影响因子：5.94 ）
ISSN：
年卷期： 2022 年 11 卷 7 期
页码：
收录情况： SCI
摘要： This study aimed to investigate the antibacterial properties and mechanisms of a high-voltage static electric field (HVEF) in Acinetobacter johnsonii, which were assessed from the perspective of biochemical properties and stress-related genes. The time/voltage-kill assays and growth curves showed that an HVEF decreased the number of bacteria and OD600 values. In addition, HVEF treatment caused the leakage of cell contents (nucleic acids and proteins), increased the electrical conductivity and amounts of reactive oxygen substances (ROS) (16.88 fold), and decreased the activity of Na+ K+-ATPase in A. johnsonii. Moreover, the changes in the expression levels of genes involved in oxidative stress and DNA damage in the treated A. johnsonii cells suggested that HVEF treatment could induce oxidative stress and DNA sub-damage. This study will provide useful information for the development and application of an HVEF in food safety.
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