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May 20, 2025OBSERVATÓRIO DE LA ECONOMÍA LATINOAMERICANAOpen Access

Pesticides modulate the expression of genes in the antioxidant system of Africanized Apis mellifera bees in the forager phase

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Authors

IMIloran do Rosário Corrêa MoreiraILIsabella Cristina de Castro LippiYLYan Souza Lima

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Overview

Laboratory study reveals altered antioxidant gene expression in forager honeybees exposed to common pesticides, highlighting potential threats to pollinator survival.

Key Points

  • Evaluate the toxic effects of major pesticide classes—including herbicides, insecticides, and fungicides—on the expression of antioxidant system genes in forager Africanized Apis mellifera.
  • Exposed marked forager bees aged over 21 days to lethal (LD50) and sublethal (LD50/100) doses of glyphosate, fipronil, imidacloprid, or pyraclostrobin via contact or oral ingestion.
  • Assessed gene expression changes in the antioxidant system using transcriptome analysis following 1-hour and 4-hour exposure durations.
  • Pesticide exposure significantly altered the expression profile of 18 genes within the bee antioxidant defense system.
  • Fipronil caused the greatest disruption to antioxidant gene expression, followed in potency by imidacloprid, glyphosate, and pyraclostrobin.

Cite This Study

Moreira et al. (2025) studied this question.

synapsesocial.com/papers/6a7e22f5b4ba8d7d6afa148ehttps://doi.org/10.55905/oelv23n5-089
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Also Consider

Synapse has enriched 2 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Food contamination with fipronil alters gene expression associated with foraging in Africanized honey bees2024 · 2 citations
  2. 2A Common Pesticide Decreases Foraging Success and Survival in Honey Bees2012 · 1,475 citations