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Sanches ALM, da Silva Pinto TJ, Daam MA, Teresa FB, Vieira BH, Reghini MV, de Almeida EA, Espíndola ELG. Isolated and mixed effects of pure and formulated abamectin and difenoconazole on biochemical biomarkers of the gills of Danio rerio. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 273:106978. [PMID: 38870676 DOI: 10.1016/j.aquatox.2024.106978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 05/15/2024] [Accepted: 05/28/2024] [Indexed: 06/15/2024]
Abstract
Pesticides are released into the environment daily, and their effects on nontarget species in aquatic ecosystems have been widely reported. To evaluate the adverse effects caused in adults of Danio rerio species exposed to the pesticides abamectin, difenoconazole, and their commercial formulations (Kraft 36EC® and Score 250EC®), both isolated and in mixtures, biochemical biomarkers were analyzed in the gills of organisms exposed to sublethal concentrations. To this end, the activities of the enzymes 7-ethoxyresorufin-O-deethylase (EROD), glucuronosyltransferase (UDPGT), glutathione-S-transferase (GST), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), lipid hydroperoxide (LH), and malondialdehyde (MDA), which are indicative of oxidative stress, were measured after 48 h of exposure to the different pesticide treatments. The results showed a significant increase in EROD activity and MDA levels in the gills of fish exposed to the commercial formulation of abamectin. When the fish were exposed to difenoconazole and its commercial formulation, an increase in GST, GPx, and MDA levels and a decrease in GR activity were observed in the gills. Furthermore, the responses of the biomarkers were more pronounced in organisms exposed to mixtures of both active ingredients and commercial formulations. It is concluded that the commercial formulations Kraft 36EC® and Score 250EC® and their mixtures cause significant alterations in the detoxification metabolism of exposed organisms and induce oxidative stress in fish.
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Affiliation(s)
- Ana Letícia Madeira Sanches
- Department of Aquaculture and Fisheries Resources, São Paulo State University (UNESP), Registro, São Paulo, Brazil; NEEA/CRHEA/SHS, School of Engineering of São Carlos, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil.
| | - Thandy Junio da Silva Pinto
- University of Campinas (UNICAMP), Institute of Chemistry, Campinas, Rua Josué de Castro, s/n - Cidade Universitária, 13083-970, São Paulo, Brazil
| | - Michiel Adriaan Daam
- NEEA/CRHEA/SHS, School of Engineering of São Carlos, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil; CENSE - Center for Environmental and Sustainability Research & CHANGE - Global Change and Sustainability Institute, NOVA School of Science and Technology, NOVA University Lisbon, Campus de Caparica, 2829-516 Caparica, Portugal
| | - Fabrício Barreto Teresa
- UEG State University of Goiás, Unit of Exact and Technological Sciences (UnUCET), Anápolis, Goiás, Brazil
| | - Bruna Horvath Vieira
- NEEA/CRHEA/SHS, School of Engineering of São Carlos, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Marina Vanderlei Reghini
- NEEA/CRHEA/SHS, School of Engineering of São Carlos, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
| | - Eduardo Alves de Almeida
- Department of Natural Science, Fundação Universidade Regional de Blumenau, Blumenau, Santa Catarina, Brazil
| | - Evaldo Luiz Gaeta Espíndola
- NEEA/CRHEA/SHS, School of Engineering of São Carlos, Av. Trabalhador São Carlense, 400, 13.560-970 São Carlos, Brazil
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Wang YC, Chang YW, Gong WR, Hu J, Du YZ. The development of abamectin resistance in Liriomyza trifolii and its contribution to thermotolerance. PEST MANAGEMENT SCIENCE 2024; 80:2053-2060. [PMID: 38131224 DOI: 10.1002/ps.7944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 11/16/2023] [Accepted: 12/18/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Liriomyza trifolii is an economically significant, invasive pest of horticultural and vegetable crops. The larvae form tunnels in foliage and hasten senescence and death. Outbreaks of L. trifolii often erupt in hot weather and are driven by thermotolerance; furthermore, the poor effectiveness of pesticides has made outbreaks more severe. But it is still unclear whether the development of insecticide tolerance will contribute to thermotolerance in L. trifolii. RESULTS To explore potential synergistic relationships between insecticide exposure and thermotolerance in L. trifolii, we first generated an abamectin-resistant (AB-R) strain. Knockdown behavior, eclosion and survival rates, and expression levels of genes encoding heat shock proteins (Hsps) in L. trifolii were then examined in AB-R and abamectin-susceptible (AB-S) strains. Our results demonstrated that long-term selection pressure for abamectin resistance made L. trifolii more prone to develop cross-resistance to other insecticides containing similar ingredients. Furthermore, the AB-R strain exhibited enhanced thermotolerance and possessed an elevated critical thermal maximum temperature, and upregulated expression levels of Hsps during heat stress. CONCLUSION Collectively, our results indicate that thermal adaptation in L. trifolii was accompanied by emerging abamectin resistance. This study provides a theoretical basis for investigating the synergistic or cross-adaptive mechanisms that insects use to cope with adversity and demonstrates the complexity of insect adaptation to environmental and chemical stress. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Yu-Cheng Wang
- College of Plant Protection, Yangzhou University, Yangzhou, China
| | - Ya-Wen Chang
- College of Plant Protection, Yangzhou University, Yangzhou, China
| | - Wei-Rong Gong
- Plant Protection and Quarantine Station of Jiangsu Province, Nanjing, China
| | - Jie Hu
- Plant Protection and Quarantine Station of Jiangsu Province, Nanjing, China
| | - Yu-Zhou Du
- College of Plant Protection, Yangzhou University, Yangzhou, China
- Joint International Research Laboratory of Agriculture and Agri-Product Safety, The Ministry of Education, Yangzhou University, Yangzhou, China
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Radwan IT, Ghazawy NAR, Alkhaibari AM, Gattan HS, Alruhaili MH, Selim A, Salem ME, AbdelFattah EA, Hamama HM. Nanostructure Lipid Carrier of Curcumin Co-Delivered with Linalool and Geraniol Monoterpenes as Acetylcholinesterase Inhibitor of Culex pipiens. Molecules 2024; 29:271. [PMID: 38202854 PMCID: PMC10780757 DOI: 10.3390/molecules29010271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Revised: 12/23/2023] [Accepted: 12/29/2023] [Indexed: 01/12/2024] Open
Abstract
(1) Background: A molecular hybridization docking approach was employed to develop and detect a new category of naturally activated compounds against Culex pipiens as acetylcholinesterase inhibitors via designing a one-pot multicomponent nano-delivery system. (2) Methods: A nanostructure lipid carrier (NLC), as a second generation of solid lipid nanoparticles, was used as a carrier to deliver the active components of curcumin (Cur), geraniol (G), and linalool (L) in one nanoformulation after studying their applicability in replacing the co-crystallized ligand imidacloprid. (3) Results: The prepared nanostructure showed spherical-shaped, polydisperse particles ranging in size from 50 nm to 300 nm, as found using a transmission electron microscope. Additionally, dynamic light scattering confirmed an average size of 169 nm and a highly stable dispersed solution, as indicated by the zeta potential (-38 mV). The prepared NLC-Cur-LG displayed competitive, high-malignancy insecticidal activity against fourth instar C. pipiens with an elevated rate of death of 0.649 µg/mL. The treatment, due to the prepared nanostructure, affects oxidative stress enzymes, e.g., hydrogen peroxide (4 ppm), superoxide dismutase (SOD) (0.03 OD/mg), and protein carbonyl (0.08 OD/mg), and there are observable upward and downward fluctuations when using different concentrations of NLC-Cur-LG, suggesting significant problems in its foreseeable insecticidal activity. The acetylcholinesterase activity was assessed by an enzyme inhibition assay, and strengthened inhibition occurred due to the encapsulated NLCs (IC50 = 1.95 µg/mL). An investigation of the gene expression by Western blotting, due to treatment with NLC-Cur-LG, revealed a severe reduction of nearly a quarter of what was seen in the untreated group. As a preliminary safety step, the nanoformulation's toxicity against normal cell lines was tested, and a reassuring result was obtained of IC50 = 158.1 µg/mL for the normal lung fibroblast cell line. (4) Conclusions: the synthesized nanoformulation, NLC-Cur-LG, is a useful insecticide in field conditions.
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Affiliation(s)
- Ibrahim Taha Radwan
- Supplementary General Sciences Department, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo 11835, Egypt
| | | | - Abeer Mousa Alkhaibari
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Hattan S. Gattan
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 22254, Saudi Arabia;
- Special Infectious Agents Unit, King Fahad Medical Research Center, King AbdulAziz University, Jeddah 21362, Saudi Arabia
| | - Mohammed H. Alruhaili
- Special Infectious Agents Unit, King Fahad Medical Research Center, King AbdulAziz University, Jeddah 21362, Saudi Arabia
- Department of Clinical Microbiology and Immunology, Faculty of Medicine, King AbdulAziz University, Jeddah 21589, Saudi Arabia
| | - Abdelfattah Selim
- Department of Animal Medicine (Infectious Diseases), Faculty of Veterinary Medicine, Benha University, Toukh 13736, Egypt
| | - Mostafa E. Salem
- Department of Chemistry, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia
| | | | - Heba M. Hamama
- Department of Entomology, Faculty of Science, Cairo University, Giza 12613, Egypt
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