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April 22, 2026Scientific ReportsOpen Access

Biochemical and molecular responses of Spodoptera frugiperda to insecticide exposure: detoxification enzymes, gene expression, and genotoxic effects

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Authors

RERamy E. El-AnsaryAl-Azhar UniversityKEKarima El-LebodyNational Research CentreRARaed A. AburawashCity of Scientific Research and Technological Applications

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Overview

Investigates the biochemical and genetic responses to insecticides in Spodoptera frugiperda, indicating potential resistance mechanisms.

Key Points

  • This research aims to explore the biochemical, molecular, and genotoxic responses of Spodoptera frugiperda to insecticides.
  • Conducted toxicity bioassays with four insecticides on third-instar S. frugiperda larvae.
  • Analyzed biochemical enzyme activities over a seven-day exposure period.
  • Assessed gene expression and genotoxic effects using the comet assay.
  • Emamectin benzoate exhibited the highest toxicity with an LC50 of 0.188 ppm/L.
  • Enhanced activities of detoxifying enzymes like GST and POD were observed, indicating stress responses.
  • Significant DNA damage was noted in hemocytes, particularly in larvae exposed to emamectin benzoate.

Cite This Study

El-Ansary et al. (2026) studied this question.

synapsesocial.com/papers/69e867136e0dea528ddeb72chttps://doi.org/10.1038/s41598-026-45372-w
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