ZntA maintains zinc and cadmium homeostasis and promotes oxidative stress resistance and virulence in Vibrio parahaemolyticus

Zheng, Chengkun1,2,3; Zhai, Yimeng1,2,3; Qiu, Jun1,2,3; Wang, Mengxian1,2,3; Xu, Zhengzhong1,2,3; Chen, Xiang1; Zhou, Xiaohui4; Jiao, Xinan2,3

2024-12-31

10.1080/19490976.2024.2327377

GUT MICROBES   影响因子和分区

1949-0976

1949-0984

Although metals are essential for life, they are toxic to bacteria in excessive amounts. Therefore, the maintenance of metal homeostasis is critical for bacterial physiology and pathogenesis. Vibrio parahaemolyticus is a significant food-borne pathogen that mainly causes acute gastroenteritis in humans and acute hepatopancreatic necrosis disease in shrimp. Herein, we report that ZntA functions as a zinc (Zn) and cadmium (Cd) homeostasis mechanism and contributes to oxidative stress resistance and virulence in V. parahaemolyticus. zntA is remarkably induced by Zn, copper, cobalt, nickel (Ni), and Cd, while ZntA promotes V. parahaemolyticus growth under excess Zn/Ni and Cd conditions via maintaining Zn and Cd homeostasis, respectively. The growth of Delta zntA was inhibited under iron (Fe)-restricted conditions, and the inhibition was associated with Zn homeostasis disturbance. Ferrous iron supplementation improved the growth of Delta zntA under excess Zn, Ni or Cd conditions. The resistance of Delta zntA to H2O2-induced oxidative stress also decreased, and its virulence was attenuated in zebrafish models. Quantitative real-time PCR, mutagenesis, and beta-galactosidase activity assays revealed that ZntR positively regulates zntA expression by binding to its promoter. Collectively, the ZntR-regulated ZntA is crucial for Zn and Cd homeostasis and contributes to oxidative stress resistance and virulence in V. parahaemolyticus.

Vibrio parahaemolyticus zinc homeostasis cadmium homeostasis ZntA oxidative stress resistance virulence

SCI

英语

通讯

The 111 Project[D18007] ; Key projects from Shenzhen Science and Technology Innovation Commission[JCYJ20220818100616034] ; Shenzhen Medical Research Fund[B2302024]

Gastroenterology & Hepatology ; Microbiology

Gastroenterology & Hepatology ; Microbiology

WOS:001184192900001

TAYLOR & FRANCIS INC

Web of Science

1.Yangzhou Univ, Jiangsu Coinnovat Ctr Prevent & Control Important, Jiangsu Key Lab Zoonosis, Yangzhou, Peoples R China
2.Yangzhou Univ, Key Lab Prevent & Control Biol Hazard Factors Anim, Minist Agr & Rural Affairs, Yangzhou, Peoples R China
3.Yangzhou Univ, Joint Int Res Lab Agr & Agriprod Safety, Minist Educ, Yangzhou, Peoples R China
4.Southern Univ Sci & Technol, Sch Publ Hlth & Emergency Management, Shenzhen, Peoples R China

Zheng, Chengkun,Zhai, Yimeng,Qiu, Jun,et al. ZntA maintains zinc and cadmium homeostasis and promotes oxidative stress resistance and virulence in Vibrio parahaemolyticus[J]. GUT MICROBES,2024,16(1).

Zheng, Chengkun.,Zhai, Yimeng.,Qiu, Jun.,Wang, Mengxian.,Xu, Zhengzhong.,...&Jiao, Xinan.(2024).ZntA maintains zinc and cadmium homeostasis and promotes oxidative stress resistance and virulence in Vibrio parahaemolyticus.GUT MICROBES,16(1).

Zheng, Chengkun,et al."ZntA maintains zinc and cadmium homeostasis and promotes oxidative stress resistance and virulence in Vibrio parahaemolyticus".GUT MICROBES 16.1(2024).