Antioxidants improve β-cypermethrin degradation by alleviating oxidative damage and increasing bioavailability by Bacillus cereus GW-01

Xie Y 1 , Gong L 2 , Liu S 1 , Yan J 1 , Zhao S 1 , Xia C 3 Show all authors , Li K 3 , Liu G 1 , Mazhar MW 4 , Zhao J 5

Affiliations 

  • 1 Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China
  • 2 Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China
  • 3 Institute of Agro-products Processing Science and Technology, Sichuan Academy of Agricultural Sciences, 610066, Chengdu, Sichuan, PR China
  • 4 Department of Bioinformatics and Biotechnology, Government College University, 38000, Faisalabad, Pakistan; Institute for Research in Molecular Medicine (INFORMM), Health Campus, Universiti Sains Malaysia, Kubang Kerian, 16150, Kelantan, Malaysia
  • 5 Key Laboratory of Land Resources Evaluation and Monitoring in Southwest (Sichuan Normal Universty), Ministry of Education, 610101, Chengdu, Sichuan, PR China; College of Life Science, Sichuan Normal University, 610101, Chengdu, Sichuan, PR China. Electronic address: jiangnanyu123@126.com
Environ Res, 2023 Nov 01;236(Pt 1):116680.
PMID: 37500036 DOI: 10.1016/j.envres.2023.116680

Abstract

Microbial degradation of pesticide residues has the potential to reduce their hazards to human and environmental health. However, in some cases, degradation can activate pesticides, making them more toxic to microbes. Here we report on the β-cypermethrin (β-CY) toxicity to Bacillus cereus GW-01, a recently described β-CY degrader, and effects of antioxidants on β-CY degradation. GW-01 exposed to β-CY negatively affected the growth rate. The highest maximum specific growth rate (μm) appeared at 25 mg/L β-CY. β-CY induced the oxidative stress in GW-01. The activities of superoxide dismutase (SOD), catalyse (CAT), and glutathione-S-transferase (GST) were significantly higher than that in control (p 

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