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<p>Microbial degradation has attracted more and more attention to be an effective way to effectively treat pesticide in the environment and save treatment costs. However, the specific degradation mechanism and the influence of microorganisms on the environment of some pesticides are still unclear. In this study, the <i>Serratia marcescens</i> BCD1 (PV133529) which isolated from the blueberry soil showed a 20&#xa0;days degradation rate of 93.14% and 91.09% for 50&#xa0;mg/L and 250&#xa0;mg/L λ-cyhalothrin, respectively. Product analysis revealed the pathway of λ-cyhalothrin degradation by <i>Serratia marcescens</i> BCD1, including the removal of cyano groups and the cleavage of ester bonds. The morphological changes of BCD1 in the presence of different concentrations of λ-cyhalothrin were observed by SEM electron microscopy, and the cell wall of BCD1 was wrinkled and deformed, and the cell length was shortened under the stress of λ-cyhalothrin. This study indicates that BCD1 as a promising microorganism for λ-cyhalothrin residue and improve blueberry quality in a treatment setting.</p> Graphical Abstract <p></p>

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The Serratia Marcescens BCD1 Isolated From Contaminated Soil Can Efficiently Degrade λ-Cyhalothrin And Resist Effects Of λ-Cyhalothrin

  • 期刊论文

  • 发表日期：

    2026年2月14日

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  • Bingyuan Wang,
  • Fengwei Wang,
  • Hongsheng Lu

摘要

Microbial degradation has attracted more and more attention to be an effective way to effectively treat pesticide in the environment and save treatment costs. However, the specific degradation mechanism and the influence of microorganisms on the environment of some pesticides are still unclear. In this study, the Serratia marcescens BCD1 (PV133529) which isolated from the blueberry soil showed a 20 days degradation rate of 93.14% and 91.09% for 50 mg/L and 250 mg/L λ-cyhalothrin, respectively. Product analysis revealed the pathway of λ-cyhalothrin degradation by Serratia marcescens BCD1, including the removal of cyano groups and the cleavage of ester bonds. The morphological changes of BCD1 in the presence of different concentrations of λ-cyhalothrin were observed by SEM electron microscopy, and the cell wall of BCD1 was wrinkled and deformed, and the cell length was shortened under the stress of λ-cyhalothrin. This study indicates that BCD1 as a promising microorganism for λ-cyhalothrin residue and improve blueberry quality in a treatment setting.

Graphical Abstract