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Huang J, Tong H, Gao B, Wu Y, Li W, Xiao P. Long-term exposure to dimefluthrin inhibits the growth of Acrossocheilus fasciatus. ENVIRONMENTAL RESEARCH 2024; 260:119617. [PMID: 39004392 DOI: 10.1016/j.envres.2024.119617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 06/03/2024] [Accepted: 07/12/2024] [Indexed: 07/16/2024]
Abstract
Dimefluthrin (DIM) is a synthetic pyrethroid insecticide commonly used for the control of pests, particularly for mosquitoes and other flying insects. However, the effects of DIM on non-target aquatic organisms are not known. In this study, we evaluated the long-term effects of DIM on juvenile Acrossocheilus fasciatus (a species of teleost fish) by exposing them to two different concentrations (0.8 μg/L and 4 μg/L) for 60 days. After 60 d of exposure, DIM induced a significant decrease in body weight and irregular, diffused villi in the intestines of A. fasciatus, accompanied by alterations in the expression of immune-related genes. Furthermore, Gene Ontology (GO) enrichment analysis revealed that among the differentially expressed genes (DEGs), all downregulated genes were enriched in processes such as small molecule/cellular amino acid metabolism, generation of precursor metabolites and energy, and phosphatase activity. Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis revealed that the downregulated genes were associated with processes such as cytokine-cytokine receptor interaction, chemokine signaling pathway, JAK-STAT signaling pathway, intestinal immune network for IgA production, natural killer cell-mediated cytotoxicity, and antigen processing and presentation. In contrast, upregulated DEGs were linked to processes such as necroptosis, phototransduction, and Hippo signaling pathway. These results demonstrate the potential toxicity of DIM to non-target aquatic organisms, indicating the broader ecological implications of its use.
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Affiliation(s)
- Jinghong Huang
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Medicine, Huaqiao University, Xiamen, 361021, PR China
| | - Hao Tong
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Zhejiang Provincial Key Lab for Water Environment and Marine Biological Resources Protection, Institute for Eco-Environmental Research of Sanyang Wetland, Wenzhou University, Wenzhou, 325035, PR China
| | - Bo Gao
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Medicine, Huaqiao University, Xiamen, 361021, PR China
| | - Yaqing Wu
- Instrumental Analysis Center of Huaqiao University, Xiamen, 361021, PR China
| | - Wenhua Li
- Engineering Research Center of Molecular Medicine of Ministry of Education, Key Laboratory of Fujian Molecular Medicine, Key Laboratory of Xiamen Marine and Gene Drugs, Key Laboratory of Precision Medicine and Molecular Diagnosis of Fujian Universities, School of Medicine, Huaqiao University, Xiamen, 361021, PR China.
| | - Peng Xiao
- National and Local Joint Engineering Research Center of Ecological Treatment Technology for Urban Water Pollution, Zhejiang Provincial Key Lab for Water Environment and Marine Biological Resources Protection, Institute for Eco-Environmental Research of Sanyang Wetland, Wenzhou University, Wenzhou, 325035, PR China.
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Vanegas-Estévez T, Duque FM, Urbina DL, Vesga LC, Mendez-Sanchez SC, Duque JE. Design and elucidation of an insecticide from natural compounds targeting mitochondrial proteins of Aedes aegypti. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 198:105721. [PMID: 38225076 DOI: 10.1016/j.pestbp.2023.105721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 11/29/2023] [Accepted: 12/02/2023] [Indexed: 01/17/2024]
Abstract
Developing new pesticides poses a significant challenge in designing next-generation natural insecticides that selectively target specific pharmacological sites while ensuring environmental friendliness. In this study, we aimed to address this challenge by formulating novel natural pesticides derived from secondary plant metabolites, which exhibited potent insecticide activity. Additionally, we tested their effect on mitochondrial enzyme activity and the proteomic profile of Ae. aegypti, a mosquito species responsible for transmitting diseases. Initially, 110 key compounds from essential oils were selected that have been reported with insecticidal properties; then, to ensure safety for mammals were performed in silico analyses for toxicity properties, identifying non-toxic candidates for further investigation. Subsequently, in vivo tests were conducted using these non-toxic compounds, focusing on the mosquito's larval stage. Based on the lethal concentration (LC), the most promising compounds as insecticidal were identified as S-limonene (LC50 = 6.4 ppm, LC95 = 17.2 ppm), R-limonene (LC50 = 9.86 ppm, LC95 = 27.7 ppm), citronellal (LC50 = 40.5 ppm, LC95 = 68.6 ppm), R-carvone (LC50 = 61.4 ppm, LC95 = 121 ppm), and S-carvone (LC50 = 62.5 ppm, LC95 = 114 ppm). Furthermore, we formulated a mixture of R-limonene, S-carvone, and citronellal with equal proportions of each compound based on their LC50. This mixture specifically targeted mitochondrial proteins and demonstrated a higher effect that showed by each compound separately, enhancing the insecticidal activity of each compound. Besides, the proteomic profile revealed the alteration in proteins involved in proliferation processes and detoxification mechanisms in Ae. aegypti. In summary, our study presents a formulation strategy for developing next-generation natural insecticides using secondary plant metabolites with the potential for reducing the adverse effects on humans and the development of chemical resistance in insects. Our findings also highlight the proteomic alteration induced by the formulated insecticide, showing insight into the mechanisms of action and potential targets for further exploration in vector control strategies.
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Affiliation(s)
- Thomas Vanegas-Estévez
- Centro de Investigaciones en Enfermedades Tropicales - Cintrop. Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander, Parque Tecnológico y de Investigaciones, Guatiguará Km 2 El Refugio Piedecuesta, Santander, A.A. (P.O. Box) 678 Bucaramanga, Colombia
| | - Fanny Melina Duque
- Grupo de Sistemas Organizados (GSO), Instituto para el Desarrollo Agroindustrial y de la Salud (IDAS), Universidad Nacional de Río Cuarto, Río Cuarto, Argentina
| | - Diana L Urbina
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Química, Universidad Industrial de Santander, Bucaramanga A.A. 678, Colombia
| | - Luis C Vesga
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Química, Universidad Industrial de Santander, Bucaramanga A.A. 678, Colombia
| | - Stelia C Mendez-Sanchez
- Grupo de Investigación en Bioquímica y Microbiología (GIBIM), Escuela de Química, Universidad Industrial de Santander, Bucaramanga A.A. 678, Colombia
| | - Jonny E Duque
- Centro de Investigaciones en Enfermedades Tropicales - Cintrop. Escuela de Medicina, Departamento de Ciencias Básicas, Universidad Industrial de Santander, Parque Tecnológico y de Investigaciones, Guatiguará Km 2 El Refugio Piedecuesta, Santander, A.A. (P.O. Box) 678 Bucaramanga, Colombia.
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Zoh MG, Bonneville JM, Laporte F, Tutagata J, Sadia CG, Fodjo BK, Mouhamadou CS, McBeath J, Schmitt F, Horstmann S, Reynaud S, David JP. Deltamethrin and transfluthrin select for distinct transcriptomic responses in the malaria vector Anopheles gambiae. Malar J 2023; 22:256. [PMID: 37667239 PMCID: PMC10476409 DOI: 10.1186/s12936-023-04673-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2023] [Accepted: 08/11/2023] [Indexed: 09/06/2023] Open
Abstract
BACKGROUND The widespread use of pyrethroid insecticides in Africa has led to the development of strong resistance in Anopheles mosquitoes. Introducing new active ingredients can contribute to overcome this phenomenon and ensure the effectiveness of vector control strategies. Transfluthrin is a polyfluorinated pyrethroid whose structural conformation was thought to prevent its metabolism by cytochrome P450 monooxygenases in malaria vectors, thus representing a potential alternative for managing P450-mediated resistance occurring in the field. In this study, a controlled selection was used to compare the dynamics of resistance between transfluthrin and the widely used pyrethroid deltamethrin in the mosquito Anopheles gambiae. Then, the associated molecular mechanisms were investigated using target-site mutation genotyping and RNA-seq. METHODS A field-derived line of An. gambiae carrying resistance alleles at low frequencies was used as starting material for a controlled selection experiment. Adult females were selected across 33 generations with deltamethrin or transfluthrin, resulting in three distinct lines: the Delta-R line (selected with deltamethrin), the Transflu-R line (selected with transfluthrin) and the Tiassale-S line (maintained without selection). Deltamethrin and transfluthrin resistance levels were monitored in each selected line throughout the selection process, as well as the frequency of the L1014F kdr mutation. At generation 17, cross-resistance to other public health insecticides was investigated and transcriptomes were sequenced to compare gene transcription variations and polymorphisms associated with adaptation to each insecticide. RESULTS A rapid increase in resistance to deltamethrin and transfluthrin was observed throughout the selection process in each selected line in association with an increased frequency of the L1014F kdr mutation. Transcriptomic data support a broader response to transfluthrin selection as compared to deltamethrin selection. For instance, multiple detoxification enzymes and cuticle proteins were specifically over-transcribed in the Transflu-R line including the known pyrethroid metabolizers CYP6M2, CYP9K1 and CYP6AA1 together with other genes previously associated with resistance in An. gambiae. CONCLUSION This study confirms that recurrent exposure of adult mosquitoes to pyrethroids in a public health context can rapidly select for various resistance mechanisms. In particular, it indicates that in addition to target site mutations, the polyfluorinated pyrethroid transfluthrin can select for a broad metabolic response, which includes some P450s previously associated to resistance to classical pyrethroids. This unexpected finding highlights the need for an in-depth study on the adaptive response of mosquitoes to newly introduced active ingredients in order to effectively guide and support decision-making programmes in malaria control.
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Affiliation(s)
- Marius Gonse Zoh
- Laboratoire d'Ecologie Alpine (LECA), Grenoble-Alpes University, Savoie Mont-Blanc University, CNRS, 38041, Grenoble, France.
- Vector Control Product Evaluation Centre (VCPEC) Institut Pierre Richet (VCPEC IPR)/INSP, Bouaké, Côte d'Ivoire.
| | - Jean-Marc Bonneville
- Laboratoire d'Ecologie Alpine (LECA), Grenoble-Alpes University, Savoie Mont-Blanc University, CNRS, 38041, Grenoble, France
| | - Frederic Laporte
- Laboratoire d'Ecologie Alpine (LECA), Grenoble-Alpes University, Savoie Mont-Blanc University, CNRS, 38041, Grenoble, France
| | - Jordan Tutagata
- Laboratoire d'Ecologie Alpine (LECA), Grenoble-Alpes University, Savoie Mont-Blanc University, CNRS, 38041, Grenoble, France
| | | | - Behi K Fodjo
- Centre Suisse de Recherches Scientifiques, Abidjan, Côte d'Ivoire
| | | | - Justin McBeath
- Envu, Milton Hall, Ely Road. Milton, Cambridge, CB24 6WZ, UK
| | - Frederic Schmitt
- Envu, 2022 Environmental Science FR S.A.S, 3 Place Giovanni Da Verrazzano, 69009, Lyon, France
| | - Sebastian Horstmann
- Envu, 2022 ES Deutschland GmbH, Alfred-Nobel-Straße 50, 40789, Monheim, Germany
| | - Stéphane Reynaud
- Laboratoire d'Ecologie Alpine (LECA), Grenoble-Alpes University, Savoie Mont-Blanc University, CNRS, 38041, Grenoble, France
| | - Jean-Philippe David
- Laboratoire d'Ecologie Alpine (LECA), Grenoble-Alpes University, Savoie Mont-Blanc University, CNRS, 38041, Grenoble, France
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Tamagno WA, Alves C, Pompermaier A, Vanin AP, Barcellos LJG. Household prallethrin-based insecticide toxicity on different C. elegans life stage: A possible sign of Huntington Disease. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120301. [PMID: 36181934 DOI: 10.1016/j.envpol.2022.120301] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 09/05/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Household insecticide is largely used for insect and ectoparasite control, in city centers as well as in the countryside. The pyrethroids are the most used class of insecticide, these compounds in low doses have low toxicity for mammalians, in comparison to other compounds, with insecticide effects. The contact of these compounds in sublethal doses begins in early life and many cases, in intrauterine life. Considerable diseases still with undefined etiology, such as neurodegenerative conditions, and Huntington's Disease (HD) is one of them. HD is related to overexpression of Polyglutamine (PolyQ40), its aggregation, and non-solubilization, which leads to neural, behavioral, and cognitive damage. In our study, we evaluate the effect of two sublethal doses of a prallethrin-based insecticide (P-BI), in three different Caenorhabditis elegans life stages transgenerational, neonatal, and lifespan. We evaluated the Body bends and pharyngeal pumping rate, and social feeding as behavioral biomarkers. As well as acetylcholinesterase activity (AChE), PolyQ40 aggregation, antioxidant enzymes, and heat shock protein (HSP) expression. We observe that the toxic effect of P-BI is more pronounced on transgenerational and lifespan exposure. Both sublethal doses of P-BI decreased the AChE activity and retard the HSP expression as well as increased the PolyQ40 aggregates indicating a clear biomarker for possible effect in the progression of the HD, by the environmental contamination.
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Affiliation(s)
- Wagner Antonio Tamagno
- - Graduate Program in Pharmacology, Universidade Federal de Santa Maria, Av. Roraima, 1000, Cidade Universitária, Camobi, Santa Maria, RS, 97105-900, Brazil; - Biochemistry and Molecular Biology Laboratory Rosilene Rodrigues Kaizer, Federal Institute of Education, Science and Technology of Rio Grande Do Sul, Campus Sertão, ERS 135, Km 25, Eng. Englert, RS, 99170-000, Brazil.
| | - Carla Alves
- - Biochemistry and Molecular Biology Laboratory Rosilene Rodrigues Kaizer, Federal Institute of Education, Science and Technology of Rio Grande Do Sul, Campus Sertão, ERS 135, Km 25, Eng. Englert, RS, 99170-000, Brazil; - Graduate Program in Bioexperimentation Universidade de Passo Fundo, BR 285, São José, Passo Fundo, RS, 99052-900, Brazil.
| | - Aline Pompermaier
- - Graduate Program in Bioexperimentation Universidade de Passo Fundo, BR 285, São José, Passo Fundo, RS, 99052-900, Brazil.
| | - Ana Paula Vanin
- - Graduate Program in Science and Environmental Technology, Universidade Federal da Fronteira Sul, ERS 135, Erechim, RS, 99700-000, Brazil.
| | - Leonardo José Gil Barcellos
- - Graduate Program in Pharmacology, Universidade Federal de Santa Maria, Av. Roraima, 1000, Cidade Universitária, Camobi, Santa Maria, RS, 97105-900, Brazil; - Graduate Program in Bioexperimentation Universidade de Passo Fundo, BR 285, São José, Passo Fundo, RS, 99052-900, Brazil.
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Yang X, Zhou Y, Sun Y, Liu J, Jiang D. Multiple insecticide resistance and associated mechanisms to volatile pyrethroid in an Aedes albopictus population collected in southern China. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 174:104823. [PMID: 33838716 DOI: 10.1016/j.pestbp.2021.104823] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Revised: 02/07/2021] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Conventional and volatile pyrethroids are widely used to control the vectors of dengue arboviral diseases, Aedes albopictus in China. The development of resistance to conventional pyrethroids has become an increasing problem, potentially affecting the use of volatile pyrethroid. The Ae. albopictus dimefluthrin-resistant (R) strain by selecting the field population with dimefluthrin were investigated the multiple and cross-resistance levels between conventional and volatile pyrethroids and analyzed both target-site and metabolic resistant mechanisms to dimefluthrin compared with three volatile pyrethroids metofluthrin, meperfluthrin and esbiothrin and type II pyrethroid deltamethrin. The R strain displayed moderate to low resistance to selected pyrethroids (dimefluthrin, metofluthrin, meperfluthrin, esbiothrin and deltamethrin) associated with metabolic enzymes, but less distinctly to selected pyrethroids (dimefluthrin and metofluthrin) associated with a high frequency of sodium channel gene mutation (F1534S). Profiles of the multiple and cross-resistance of the R strain to other three volatile pyrethroids and type II pyrethroid deltamethrin were detected. Both synergistic and enzyme activity studies indicated that multifunctional oxidase (MFO) played an important role in this resistance.
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Affiliation(s)
- Xiaodong Yang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China
| | - Yulei Zhou
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China
| | - Yanan Sun
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China
| | - Jiali Liu
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China
| | - Dingxin Jiang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China.
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