Glutathione S-transferase directly metabolizes imidacloprid in the whitefly, Bemisia tabaci

Pesticide Biochemistry and Physiology, Journal Year: 2024, Volume and Issue: 201, P. 105863 - 105863

Published: March 12, 2024

Language: Английский

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Role of mutation G255A in modulating pyrethroid sensitivity in insect sodium channels

International Journal of Biological Macromolecules, Journal Year: 2025, Volume and Issue: 295, P. 139455 - 139455

Published: Jan. 7, 2025

Language: Английский

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Long-Term Exposure to Lambda-Cyhalothrin Reveals Novel Genes Potentially Involved in Aedes aegypti Insecticide Resistance

Insects, Journal Year: 2025, Volume and Issue: 16(2), P. 106 - 106

Published: Jan. 21, 2025

Insecticide resistance in Aedes aegypti populations hinders vector control programs. Many studies have focused on the classical mechanisms, kdr mutations, and metabolic enzymes to understand development of insecticide resistance. In this study, we subjected a strain Ae. selective pressure for 13 consecutive generations extent We delved into transcriptomics pressured gain insights molecular changes underlying aegypti. Our data suggest mosquito is influenced by additional mechanisms that are difficult explain using only mechanisms. The response mosquitoes varies depending exposure time. Initially, when contact with insecticides, they modulate expression some point mutations sodium channel genes. After long-term exposure, respond insecticides expressing different proteins involved cuticle, energetic metabolism, synthesis proteases. propose model includes these novel found after prolonged which work conjunction established (kdr resistance) but timeline terms appearance.

Language: Английский

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Acute and repeated exposure toxicity of the insecticide sulfoxaflor on hymenopteran pollinators; sulfoxaflor environmental science review part III

Journal of Toxicology and Environmental Health Part B, Journal Year: 2025, Volume and Issue: unknown, P. 1 - 28

Published: March 27, 2025

To support regulatory risk assessment, standardized laboratory tests of toxicity to representative species including honeybees (Apis mellifera L.), orchard bees (Osmia spp.), and bumblebees (Bombus spp.) provide the benchmark values for use in preliminary Tier 1 assessments more detailed realistic higher-tier assessments. In this analysis, we summarize results studies SFX pollinators conducted registrant as well published literature. The geometric mean 48-hr adult acute oral LD50 was 0.0740 μg bee- (n = 5). Toxicity technical grade (SFX-T) formulated products were not significantly different. 48 hr contact SFX-T several 0.432 2) 0.202 3) 1, respectively. Exposures sprayed foliage significant after spray had dried did cause toxicity. Transformation toxic or larval other bee species. Results showed that, complete required. Differences between standard test methods nonstandard used work affect outcome assessment. An understanding these differences reconciled reported findings.

Language: Английский

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Functional characterization of CYP6AE subfamily P450s associated with pyrethroid detoxification in Spodoptera litura

International Journal of Biological Macromolecules, Journal Year: 2022, Volume and Issue: 219, P. 452 - 462

Published: Aug. 5, 2022

Language: Английский

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