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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] [MESH Headings] [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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2
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An X, Wang R, Cao C, Wang D, Chen C, Wang Y. Synergistic risk in the gut and liver: Insights into the toxic mechanisms and molecular interactions of combined exposure to triazophos and fenvalerate in zebrafish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174710. [PMID: 38997031 DOI: 10.1016/j.scitotenv.2024.174710] [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: 05/10/2024] [Revised: 06/28/2024] [Accepted: 07/09/2024] [Indexed: 07/14/2024]
Abstract
The simultaneous or sequential application of pesticides such as triazophos (TRI) and fenvalerate (FEN) in agriculture results in their residues co-existing in the environments. However, the impact of co-exposure to TRI and FEN on the gut-liver axis, along with the underlying mechanisms, remains unclear. Our results showed that exposure to FEN (96 h-LC50 value of 0.096 mg a.i. L-1) was more toxic to adult zebrafish compared to TRI (96 h-LC50 value of 6.75 mg a.i. L-1). Furthermore, the study aimed to reveal the toxic potencies of individual and combined exposure to TRI and FEN on the liver-gut axis in zebrafish (Danio rerio). Our results also indicated that pesticide exposure decreased tight junction molecule expression and increased intestinal inflammatory molecule expression in D. rerio, with co-exposure demonstrating enhanced toxicity. Co-exposure altered gut flora structure and species abundance. RNA-Seq sequencing revealed changes in liver gene expressions, particularly enrichment of P53 signaling. Molecular docking demonstrated FEN's stronger binding to P53 and Caspase3, correlating with its higher toxicity. Liver pathology confirmed exacerbated liver damage by individual and co-exposures, with co-exposure inducing more severe liver injury. qPCR results showed increased pro-apoptotic gene expression and decreased anti-apoptotic gene expression, with co-exposure exhibiting an interactive effect. Overall, this study identifies specific targets and pathways influenced by these pesticides, revealing toxicity mechanisms involving the gut-liver axis, which is crucial for environmental risk assessment of pesticide mixtures.
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Affiliation(s)
- Xuehua An
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Ruike Wang
- School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Chong Cao
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Dou Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Chen Chen
- School of Public Health, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China.
| | - Yanhua Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China.
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3
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AbuQamar SF, El-Saadony MT, Alkafaas SS, Elsalahaty MI, Elkafas SS, Mathew BT, Aljasmi AN, Alhammadi HS, Salem HM, Abd El-Mageed TA, Zaghloul RA, Mosa WFA, Ahmed AE, Elrys AS, Saad AM, Alsaeed FA, El-Tarabily KA. Ecological impacts and management strategies of pesticide pollution on aquatic life and human beings. MARINE POLLUTION BULLETIN 2024; 206:116613. [PMID: 39053258 DOI: 10.1016/j.marpolbul.2024.116613] [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: 12/28/2023] [Revised: 06/10/2024] [Accepted: 06/16/2024] [Indexed: 07/27/2024]
Abstract
Pesticide contamination has become a global concern. Pesticides can sorb onto suspended particles and deposit into the sedimentary layers of aquatic environments, resulting in ecosystem degradation, pollution, and diseases. Pesticides impact the behavior of aquatic environments by contaminating organic matter in water, which serves as the primary food source for aquatic food webs. Pesticide residues can increase ammonium, nitrite, nitrate, and sulfate in aquatic systems; thus, threatening ecological environment and human health. Several physical, chemical, and biological methodologies have been implemented to effectively remove pesticide traces from aquatic environments. The present review highlights the potential consequences of pesticide exposure on fish and humans, focusing on the (epi)genetic alterations affecting growth, behavior, and immune system. Mitigation strategies (e.g., bioremediation) to prevent/minimize the detrimental impacts of pesticides are also discussed. This review aims to shed light on the awareness in reducing the risk of water pollution for safe and sustainable pesticide management.
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Affiliation(s)
- Synan F AbuQamar
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates.
| | - Mohamed T El-Saadony
- Department of Agricultural Microbiology, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Samar S Alkafaas
- Biochemistry Division, Department of Chemistry, Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Mohamed I Elsalahaty
- Biochemistry Division, Department of Chemistry, Faculty of Science, Tanta University, Tanta, 31527, Egypt
| | - Sara S Elkafas
- Production Engineering and Mechanical Design Department, Faculty of Engineering, Menoufia University, Shebin El Kom, Menofia, 32511, Egypt; Faculty of Control System and Robotics, ITMO University, Saint-Petersburg, 197101, Russia
| | - Betty T Mathew
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Amal N Aljasmi
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Hajar S Alhammadi
- Department of Chemistry, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
| | - Heba M Salem
- Department of Poultry Diseases, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Taia A Abd El-Mageed
- Department of Soil and Water, Faculty of Agriculture, Fayoum University, Fayoum, 63514, Egypt
| | - Rashed A Zaghloul
- Department Agricultural Microbiology, Faculty of Agriculture, Benha University, Moshtohor, 13736, Egypt
| | - Walid F A Mosa
- Plant Production Department (Horticulture-Pomology), Faculty of Agriculture, Saba Basha, Alexandria University, Alexandria, 21531, Egypt
| | - Ahmed Ezzat Ahmed
- Biology Department, College of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Ahmed S Elrys
- Soil Science Department, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Ahmed M Saad
- Department of Biochemistry, Faculty of Agriculture, Zagazig University, Zagazig, 44511, Egypt
| | - Fatimah A Alsaeed
- Biology Department, College of Science, King Khalid University, Abha, 61413, Saudi Arabia
| | - Khaled A El-Tarabily
- Department of Biology, College of Science, United Arab Emirates University, Al Ain, 15551, United Arab Emirates
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4
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Bertrand C, Aviron S, Pelosi C, Faburé J, Le Perchec S, Mamy L, Rault M. Effects of plant protection products on ecosystem functions provided by terrestrial invertebrates. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-34534-w. [PMID: 39141266 DOI: 10.1007/s11356-024-34534-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Accepted: 07/24/2024] [Indexed: 08/15/2024]
Abstract
Plant protection products (PPP) are extensively used to protect plants against harmful organisms, but they also have unintended effects on non-target organisms, especially terrestrial invertebrates. The impact of PPP on ecosystem functions provided by these non-target invertebrates remains, however, unclear. The objectives of this article were to review PPP impacts on the ecosystem functions provided by pollinators, predators and parasitoids, and soil organisms, and to identify the factors that aggravate or mitigate PPP effects. The literature highlights that PPP alter several ecosystem functions: provision and maintenance of biodiversity, pollination, biotic interactions and habitat completeness in terrestrial ecosystems, and organic matter and soil structure dynamics. However, there are still a few studies dealing with ecosystem functions, with sometimes contradictory results, and consequences on agricultural provisioning services remain unclear. The model organisms used to assess PPP ecotoxicological effects are still limited, and should be expanded to better cover the wide functional diversity of terrestrial invertebrates. Data are lacking on PPP sublethal, transgenerational, and "cocktail" effects, and on their multitrophic consequences. In empirical assessments, studies on PPP unintended effects should consider agricultural-pedoclimatic contexts because they influence the responses of non-target organisms and associated ecosystem functions to PPP. Modeling might be a promising way to account for the complex interactions among PPP mixtures, biodiversity, and ecosystem functioning.
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Affiliation(s)
- Colette Bertrand
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Stéphanie Aviron
- INRAE, Institut Agro Rennes-Angers, ESA, UMR 0980 BAGAP, 35042, Rennes, France
| | - Céline Pelosi
- UMR EMMAH, INRAE, Avignon Université, 84000, Avignon, France
| | - Juliette Faburé
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | | | - Laure Mamy
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, 91120, Palaiseau, France
| | - Magali Rault
- Univ Avignon, Aix Marseille Univ, CNRS, IMBE, Pôle Agrosciences, 301 Rue Baruch de Spinoza, BP 21239, 84916, Avignon, IRD, France.
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5
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Almenhali AZ, Eissa S. Aptamer-based biosensors for the detection of neonicotinoid insecticides in environmental samples: A systematic review. Talanta 2024; 275:126190. [PMID: 38703483 DOI: 10.1016/j.talanta.2024.126190] [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: 02/04/2024] [Revised: 03/29/2024] [Accepted: 04/29/2024] [Indexed: 05/06/2024]
Abstract
Neonicotinoids, sometimes abbreviated as neonics, represent a class of neuro-active insecticides with chemical similarities to nicotine. Neonicotinoids are the most widely adopted group of insecticides globally since their discovery in the late 1980s. Their physiochemical properties surpass those of previously established insecticides, contributing to their popularity in various sectors such as agriculture and wood treatment. The environmental impact of neonicotinoids, often overlooked, underscores the urgency to develop tools for their detection and understanding of their behavior. Conventional methods for pesticide detection have limitations. Chromatographic techniques are sensitive but expensive, generate waste, and require complex sample preparation. Bioassays lack specificity and accuracy, making them suitable as preliminary tests in conjunction with instrumental methods. Aptamer-based biosensor is recognized as an advantageous tool for neonicotinoids detection due to its rapid response, user-friendly nature, cost-effectiveness, and suitability for on-site detection. This comprehensive review represents the inaugural in-depth analysis of advancements in aptamer-based biosensors targeting neonicotinoids such as imidacloprid, thiamethoxam, clothianidin, acetamiprid, thiacloprid, nitenpyram, and dinotefuran. Additionally, the review offers valuable insights into the critical challenges requiring prompt attention for the successful transition from research to practical field applications.
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Affiliation(s)
- Asma Zaid Almenhali
- Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, P.O. Box 127788, United Arab Emirates
| | - Shimaa Eissa
- Department of Chemistry, Khalifa University of Science and Technology, Abu Dhabi, P.O. Box 127788, United Arab Emirates; Center for Catalysis and Separations, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates.
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6
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Busuulwa A, Revynthi AM, Liburd OE, Lahiri S. Residual effect of commonly used fungicides in strawberries on Amblyseius swirskii, Neoseiulus cucumeris, and Neoseiulus californicus (Mesostigmata: Phytoseiidae). EXPERIMENTAL & APPLIED ACAROLOGY 2024; 93:253-272. [PMID: 38869730 PMCID: PMC11269389 DOI: 10.1007/s10493-024-00928-1] [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: 01/06/2024] [Accepted: 05/13/2024] [Indexed: 06/14/2024]
Abstract
Florida's strawberry industry is currently valued at $511 million annually but faces challenges from pathogens and arthropod pests especially Tetranychus urticae Koch (twospotted spider mite) and Scirtothrips dorsalis Hood (chilli thrips). Predatory mites, particularly Neoseiulus cucumeris Oudemans, Neoseiulus californicus McGregor, and Amblyseius swirskii Athias-Henriot, play a crucial role in pest management. However, there are concerns regarding how these biological control agents are affected by fungicides used in current pathogen management strategies. This study assessed the residual effects of commonly used fungicides in strawberries on the survival, feeding, and oviposition of these predatory mites. Commercially sourced predatory mites were reared on S. dorsalis larvae, and gravid female predators placed on fungicide treated strawberry leaf discs in a Munger cell for 120 h. Fungicides tested included two formulations of Captan, hydrogen peroxide + peroxyacetic acid, cyprodinil + fludioxonil, tetramethylthiuram disulfide, cyflufenamid and a control. All fungicides tested had an impact on the survival, feeding, and oviposition of the predators. Among the fungicide treatments, the lowest predator survival was observed in the cyprodinil + fludioxonil treatment, while the highest was observed in the hydrogen peroxide + peroxyacetic acid and tetramethylthiuram disulfide treatments. In all treatments, feeding and oviposition greatly varied among predators; specifically, N. cucumeris and A. swirskii had the lowest prey consumption, while N. californicus had the highest. These findings highlight the potential incompatibility between fungicides and predatory mites and demonstrate the need for the development of a fungicide rotation program tailored to the different susceptibilities of predators to fungicides.
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Affiliation(s)
- Allan Busuulwa
- Entomology and Nematology Department, University of Florida, Gulf Coast Research and Education Center, Wimauma, FL, USA.
| | - Alexandra M Revynthi
- Entomology and Nematology Department, University of Florida-Tropical Research and Education Center, Homestead, FL, USA
| | - Oscar E Liburd
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
| | - Sriyanka Lahiri
- Entomology and Nematology Department, University of Florida, Gulf Coast Research and Education Center, Wimauma, FL, USA
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7
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Silva-Neto CM, Santos LAC, Bernardes MM, Salas C, Valdés C, Muñoz-Quezada MT, Araujo RO. Land use around influences the entomological community in lettuce horticultural systems. BRAZ J BIOL 2024; 84:e282077. [PMID: 39046051 DOI: 10.1590/1519-6984.282077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2024] [Accepted: 05/17/2024] [Indexed: 07/25/2024] Open
Abstract
The complexity of the agroecosystem can also be assessed by the different land uses in the system and the surroundings, being a relevant way to assess the heterogeneity of the landscape and the effects on the community of interest, in this case, entomofauna. Thus, the objective of this work is to verify how the use of soil in the surroundings of Chilean lettuce horticultural systems, in the Coquimbo Region, alters the entomological community of the crop. Insect sampling was conducted (February 2021 to March 2022) using yellow pan traps. Two sites will be sampled on each of the seven studied lettuce crops. Land use and land cover classes were defined: Forests, water bodies, shrub vegetation, grasslands, barren lands, impermeable surfaces, and urban areas. After land use and land cover classification, buffers of 500 to 5,000 m were created around each data collection point. For data analysis, the percentages of land use of different classes were compared with the ecological attributes: Abundance of insects, abundance of insect pests, richness of entomological families and types of oral apparatus (licker-sucker, mandible, picker-sucker, and sucker). Land uses at different distances from horticultural systems affected the entomological community.
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Affiliation(s)
| | - L A C Santos
- Universidade Estadual de Goiás - UEG, Programa de Pós-graduação em Recursos Naturais do Cerrado, Anápolis, GO, Brasil
| | - M M Bernardes
- Universidade Evangélica de Goiás - UniEVANGÉLICA, Anápolis, GO, Brasil
| | - C Salas
- Instituto de Investigaciones Agropecuarias - INIA Inthiuasi, La Serena, Chile
| | - C Valdés
- Universidad Católica del Maule, Vicerrectoría de Investigación y Postgrado, Centro de Investigación de Estudios Avanzados del Maule, Talca, Chile
| | - M T Muñoz-Quezada
- Universidad de Chile, Facultad de Medicina, Escuela de Salud Pública, Santiago, Chile
| | - R O Araujo
- Universidad Católica del Maule, Vicerrectoría de Investigación y Postgrado, Centro de Investigación de Estudios Avanzados del Maule, Talca, Chile
- Universidad Católica del Maule, Centro de Investigación de Estudios Avanzados del Maule, Laboratorio de Entomología General y Aplicada, Talca, Chile
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Shen X, Jin J, Zhang G, Yan B, Yu X, Wu H, Yang M, Zhang F. The chromosome-level genome assembly of Aphidoletes aphidimyza Rondani (Diptera: Cecidomyiidae). Sci Data 2024; 11:785. [PMID: 39019956 PMCID: PMC11255235 DOI: 10.1038/s41597-024-03614-4] [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: 12/08/2023] [Accepted: 07/05/2024] [Indexed: 07/19/2024] Open
Abstract
Aphidoletes aphidimyza is widely recognized as an effective predator of aphids in agricultural systems. However, there is limited understanding of its predation mechanisms. In this study, we generated a high-quality chromosome level of the A. aphidimyza genome by combining PacBio, Illumina, and Hi-C data. The genome has a size of 192.08 Mb, with a scaffold N50 size of 46.85 Mb, and 99.08% (190.35 Mb) of the assembly is located on four chromosomes. The BUSCO analysis of our assembly indicates a completeness of 97.8% (n = 1,367), including 1,307 (95.6%) single-copy BUSCOs and 30 (2.2%) duplicated BUSCOs. Additionally, we annotated a total of 13,073 protein-coding genes, 18.43% (35.40 Mb) repetitive elements, and 376 non-coding RNAs. Our study is the first time to report the chromosome-scale genome for the species of A. aphidimyza. It provides a valuable genomic resource for the molecular study of A. aphidimyza.
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Affiliation(s)
- Xiuxian Shen
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, College of Agriculture, Guizhou University, Guiyang, 550025, China
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Jianfeng Jin
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Guoqiang Zhang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China
| | - Bin Yan
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, College of Agriculture, Guizhou University, Guiyang, 550025, China
| | - Xiaofei Yu
- College of Tobacco Science, Guizhou University, Guiyang, 550025, China
| | - Huizi Wu
- Zunyi Branch of Guizhou Tobacco Company, Zunyi, 564200, China
| | - Maofa Yang
- Institute of Entomology, Guizhou Provincial Key Laboratory for Agricultural Pest Management of the Mountainous Region, College of Agriculture, Guizhou University, Guiyang, 550025, China.
- College of Tobacco Science, Guizhou University, Guiyang, 550025, China.
| | - Feng Zhang
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, Nanjing, 210095, China.
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9
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Vommaro ML, Giglio A. Cytotoxic and genotoxic effects of a pendimethalin-based herbicide in Apis mellifera. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 280:116565. [PMID: 38870738 DOI: 10.1016/j.ecoenv.2024.116565] [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: 03/23/2024] [Revised: 05/22/2024] [Accepted: 06/04/2024] [Indexed: 06/15/2024]
Abstract
Public concern about the effects of pesticides on non-target organisms has increased in the recent years. Nevertheless, there is a limited number of studies that address the actual toxic effects of herbicides on insects. This study investigated the side effects of herbicides on non-target organisms inhabiting agroecosystems and performing essential ecological and economic functions such as crop pollination. We analysed morphological alterations in the gut, Malpighian tubules and circulating haemocytes of Apis mellifera workers as markers of exposure effects. A commercial formulation of a pendimethalin-based herbicide (PND) was administered orally under laboratory conditions at a realistic concentration admitted in the field (330gL-1 of active ingredient., 4 L ha-1 for cereal and vegetable crops). The worker bees were exposed to a single application of PND for a period of one week, to simulate the exposure that can occur when foraging bees accidentally drink drops of contaminated water upon treatments. Histopathological analyses of the midgut, ileum and Malpighian tubules showed alterations over time (from 24 to 72 h after the beginning of exposure) such as loss of epithelial organisation, cellular vacuolisation and altered pyknotic nuclei as well as disruption of the peritrophic membrane over time. Semiquantitative analyses of the midgut showed a significant increase in the organ injury index 24 and 72 h after the initial exposure in PND-exposed bees compared to control bees. In addition, a change in positivity to Gram staining was observed in the midgut histological sections. A recovery of cytotoxic effects was observed one week after the initial exposure, which was favoured by the periodic renewal of the intestinal epithelium and the herbicide dissipation time. Cytochemical staining with Giemsa of haemocytes from PND-treated workers over 24 and 72 h showed significant nuclear alterations such as lobed or polymorphic nuclei and micronuclei compared to bees in the control group. These results show that the dose of PND used to protect crops from weeds can lead to significant cytotoxic and genotoxic effects in non-target organisms such as honey bees. In croplands, the sublethal effects on cell morphology can impair vital physiological processes such as nutrition, osmoregulation, and resistance to pathogens, contributing to the decline in biodiversity and abundance of species that play a prominent ecological role, such as pollinators.
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Affiliation(s)
- Maria Luigia Vommaro
- University of Calabria, Department of Biology, Ecology and Earth Science, Rende, Italy
| | - Anita Giglio
- University of Calabria, Department of Biology, Ecology and Earth Science, Rende, Italy.
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10
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Lin J, Yue G, Chen J, Xiao K, Ji Q. Impacts of the cyromazine emergence inhibition procedure of Bactrocera dorsalis on Fopius arisanus: implications for the biological control of diptera pest. PEST MANAGEMENT SCIENCE 2024. [PMID: 38989597 DOI: 10.1002/ps.8290] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Revised: 06/18/2024] [Accepted: 06/24/2024] [Indexed: 07/12/2024]
Abstract
BACKGROUND Fopius arisanus (Sonan) is an important egg-pupal endoparasitic wasp of Bactrocera dorsalis (Hendel). As traditional method of sorting nonparasitic B. dorsalis from parasitic wasps is labor-intensive, requires specific equipment and poses the risk of spreading fertile hosts, the development of a more convenient, economical and safe sorting procedure is important. RESULTS The optimal cyromazine emergence inhibition procedure (CEIP) involved facilitating the pupation of B. dorsalis mature larvae (Bdml) in 3 mg kg-1 cyromazine sand substrate (CSS) for 48 h. When the Bdml that had been exposed to F. arisanus during the egg stage were treated with 3-7 mg kg-1 CSS for 48 h, no negative effects on the emergence parameters of parasitoids were observed. Treatment with 3-4 mg kg-1 CSS had insignificant effects on the biological and behavioral parameters of F. arisanus. However, treatment with 5-6 mg kg-1 CSS adversely affected the fecundity and antennating activity of the wasps; specifically, 6 mg kg-1 CSS negatively affected the lifespan and flight ability of wasps. Fortunately, no transgenerational effects on these parameters were observed in the progeny. Regarding the nutrient reserves of both sexes of F. arisanus, significant dose-dependent effects were observed. Moreover, 5-6 mg kg-1 CSS significantly reduced the protein and carbohydrate content in F. arisanus; in particular, 6 mg kg-1 CSS notably reduced the lipid content. CONCLUSION CEIP provides a more flexible, economical and safe mass-release program for F. arisanus. In addition, it has profound implications for the biological control of other dipteran pests. © 2024 Society of Chemical Industry.
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Affiliation(s)
- Jia Lin
- Institute of Biological control, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fuzhou, China
| | - Guoqing Yue
- Institute of Biological control, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fuzhou, China
| | - Jun Chen
- Institute of Biological control, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fuzhou, China
| | - Kang Xiao
- Institute of Biological control, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fuzhou, China
| | - Qing'e Ji
- Institute of Biological control, Fujian Agriculture and Forestry University, Fuzhou, China
- Key Laboratory of Biopesticide and Chemical Biology, Ministry of Education, Fuzhou, China
- State Key Laboratory of Ecological Pest Control for Fujian and Taiwan Crops, Fuzhou, China
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11
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Rodríguez-Aguilar BA, Peregrina-Lucano AA, Martínez-Rivera LM, Ceballos-Magaña SG, Muñiz-Valencia R. Assessing the environmental pesticides impact of river sediments from a basin in western Mexico: Spatiotemporal distribution, risk assessment of aquatic invertebrates and pesticides prioritization. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172860. [PMID: 38688377 DOI: 10.1016/j.scitotenv.2024.172860] [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: 02/16/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 05/02/2024]
Abstract
The intensive use of pesticides in Mexican agriculture has contributed significantly to the increase in food production, but at the same time represents potential risk to biota. This situation creates a dilemma between the need to increase food production and the preservation of the environment and human health. Aquatic invertebrates play a vital role in the balance of aquatic ecosystems but are sensitive to pesticides contamination. The sensitivity of aquatic invertebrates to pesticides contamination has led them to be used to assess the potential impact of this contamination on aquatic ecosystems. In the present study, conducted in the Ayuquila-Armería basin, the following aims were achieved: 1) quantifying the presence of 20 pesticides in river sediments, 2) assessing the spatiotemporal distribution of pesticides in river sediments, 3) determining the potential risk to aquatic invertebrates, and 4) prioritizing pesticides based on their potential risk. Twelve pesticides were consistently quantified in 192 river sediments samples. The pesticides with the highest concentrations were ametrine, malathion and picloram. The temporal analysis showed seasonality in pesticide concentrations, with higher detection frequencies during the wet season. The risk assessment showed that aquatic invertebrates may be affected by the concentrations of carbofuran, malathion, diazinon and ametrine. Pesticides prioritization identified ametrine, carbofuran, and diazinon as major concerns based on the methodology that considers the Frequency and Extent of Exceedance. This study provides valuable insights into the current pesticides scenario in the Ayuquila-Armería River sediments. The findings underscore the need for sustainable alternatives to mitigate the ecological risks associated with pesticides contamination in this aquatic ecosystem.
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Affiliation(s)
- Brian A Rodríguez-Aguilar
- Faculty of Chemical Sciences, University of Colima, Colima-Coquimatlán km 9, 28400 Coquimatlán, Colima, Mexico
| | - Alejandro A Peregrina-Lucano
- Department of Pharmacobiology, University Center for Exact Sciences and Engineering, University of Guadalajara, Blvd. Marcelino García Barragán 1421, Guadalajara, Jalisco, Mexico
| | - Luis M Martínez-Rivera
- Department of Ecology and Natural Resources, University Center of the South Coast, University of Guadalajara, Independencia Nacional 151, 48900 Autlán de Navarro, Jalisco, Mexico
| | | | - Roberto Muñiz-Valencia
- Faculty of Chemical Sciences, University of Colima, Colima-Coquimatlán km 9, 28400 Coquimatlán, Colima, Mexico; Center for Research in Natural Resources and Sustainability, University Bernardo O'Higgins, Fabrica 1990, Santiago, Chile.
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12
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Scheibli L, Wiedenmann M, Wolf H, Stemme T, Pfeffer SE. Flupyradifurone negatively affects survival, physical condition and mobility in the two-spotted lady beetle (Adalia bipunctata). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 931:172617. [PMID: 38653409 DOI: 10.1016/j.scitotenv.2024.172617] [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: 11/01/2023] [Revised: 04/12/2024] [Accepted: 04/17/2024] [Indexed: 04/25/2024]
Abstract
Lady beetles play a crucial role in natural ecosystems and agricultural settings. Unfortunately, these insects and more specifically the two-spotted lady beetle (Adalia bipunctata) are currently facing a severe decline in populations due to various stressors, with pesticide exposure being a significant threat. Flupyradifurone is a relatively newly introduced insecticide and as existing research is mainly elucidating its effects on bees there remains a limited understanding of its effects on non-hymenopteran insects, including lady beetles. In this study we investigated the impact of acute orally applied flupyradifurone doses on survival and sublethal parameters such as physical condition and mobility on A. bipunctata. Our findings revealed a significant increase in mortality among individuals subjected to flupyradifurone doses of 19 ng/individual (corresponding to >1.5-2.0 ng active substance (a.s.)/mg body weight (bw). The calculated LD50 of flupyradifurone at 48 h was 2.11 ng a.s./mg bw corresponding to an amount of 26.38 ng/individual. Sublethal consequences were observable immediately after pesticide application. Even at doses as low as 2 ng/individual (corresponding to >0.0-0.5 ng a.s./mg bw), flupyradifurone induced trembling and temporary immobility in treated animals. Furthermore, pesticide intoxication led to hypoactivity, with less distance covered and a decline in straightness of locomotion. In conclusion, our study underscores the harmful effects of flupyradifurone on the two-spotted lady beetle at doses notably lower than those affecting bees. These findings stress the importance of additional research to attain a more holistic understanding of pesticide impacts not only on a broader range of non-target arthropods species, but also on various exposure routes as well as lethal and sublethal effects.
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Affiliation(s)
- Leonie Scheibli
- Ulm University, Institute of Neurobiology, 89081 Ulm, Germany.
| | | | - Harald Wolf
- Ulm University, Institute of Neurobiology, 89081 Ulm, Germany
| | - Torben Stemme
- Ulm University, Institute of Neurobiology, 89081 Ulm, Germany
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13
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Naveed M, Azeem A, Aziz T, Javed K, Ali I, Ali Khan A, Alasmari AF, Albekairi TH. Evaluating the MDCK cell permeability of greenly synthesize bimetallic Ag/Zn Nanoparticles using leaf extract of Vallaris solanacea as a potential antipesticide-resistant agent. Z NATURFORSCH C 2024; 0:znc-2024-0065. [PMID: 38898802 DOI: 10.1515/znc-2024-0065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 05/28/2024] [Indexed: 06/21/2024]
Abstract
Bimetallic nanoparticles, particularly Ag/Zn bimetallic nanoparticles, have gained increasing attention due to their unique properties, making them suitable for a variety of applications such as catalysis, water treatment, and environmental remediation. This study aimed to elucidate the use of bimetallic nanoparticles of Ag/Zn as an alternative to resistant pesticides for pest control. Furthermore, this research demonstrates that BNPs can target specific pollutants and degrade them through various mechanisms. BNP docking with the Nilaparvata lugens cytochrome P450 (CYP6ER1) protein exhibited the lowest binding energy of -7.5 kcal/mol. The cell permeability analysis of BNP in plant cells reveals that the BNP has 0 % permeability towards any cell at -10 kcal/mol energy, which is the lowest free energy translocation pathway. The harmful leftover residues of the pesticides have a higher chance of degradability in case of interaction with BNP validated by chemical-chemical interaction analysis. Additionally, MDCK permeability coefficient of small molecules based on the regression model was calculated for BNP which authenticated the efficiency of BNP. Moreover, Swiss ADMET simulated absorption using a boiled egg model with no blood-brain barrier and gastrointestinal crossing for the expected BNP molecule has been observed. Significantly, the findings indicate that employing bimetallic nanoparticles like Ag/Zn is a crucial strategy for bioremediation because they proficiently decompose pesticides while posing no risk to humans. Our results will facilitate the design of novel BNPs materials for environmental remediation and pest control ensuring human health safety that are predicated on bimetallic nanoparticles.
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Affiliation(s)
- Muhammad Naveed
- Department of Biotechnology, 66901 Faculty of Science and Technology, University of Central Punjab , Lahore, 54590, Pakistan
| | - Arooj Azeem
- Department of Biotechnology, 66901 Faculty of Science and Technology, University of Central Punjab , Lahore, 54590, Pakistan
| | - Tariq Aziz
- 37796 Laboratory of Animal Health Food Hygiene and Quality University of Ioannina , Arta, 47132, Greece
| | - Khushbakht Javed
- Department of Biotechnology, 66901 Faculty of Science and Technology, University of Central Punjab , Lahore, 54590, Pakistan
| | - Imran Ali
- Department of Biotechnology, 66901 Faculty of Science and Technology, University of Central Punjab , Lahore, 54590, Pakistan
| | - Ayaz Ali Khan
- Department of Biotechnology, 66714 University of Malakand , Chakdara, 18800, Pakistan
| | - Abdullah F Alasmari
- Department of Pharmacology and Toxicology, 37850 College of Pharmacy, King Saud University , P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Thamer H Albekairi
- Department of Pharmacology and Toxicology, 37850 College of Pharmacy, King Saud University , P.O. Box 2455, Riyadh, 11451, Saudi Arabia
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14
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Mata L, Knapp RA, McDougall R, Overton K, Hoffmann AA, Umina PA. Acute toxicity effects of pesticides on beneficial organisms - Dispelling myths for a more sustainable use of chemicals in agricultural environments. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 930:172521. [PMID: 38641095 DOI: 10.1016/j.scitotenv.2024.172521] [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: 01/28/2024] [Revised: 04/11/2024] [Accepted: 04/14/2024] [Indexed: 04/21/2024]
Abstract
Agricultural practitioners, researchers and policymakers are increasingly advocating for integrated pest management (IPM) to reduce pesticide use while preserving crop productivity and profitability. Using selective pesticides, putatively designed to act on pests while minimising impacts on off-target organisms, is one such option - yet evidence of whether these chemicals control pests without adversely affecting natural enemies and other beneficial species (henceforth beneficials) remains scarce. At present, the selection of pesticides compatible with IPM often considers a single (or a limited number of) widely distributed beneficial species, without considering undesired effects on co-occurring beneficials. In this study, we conducted standardised laboratory bioassays to assess the acute toxicity effects of 20 chemicals on 15 beneficial species at multiple exposure timepoints, with the specific aims to: (1) identify common and diverging patterns in acute toxicity responses of tested beneficials; (2) determine if the effect of pesticides on beetles, wasps and mites is consistent across species within these groups; and (3) assess the impact of mortality assessment timepoints on International Organisation for Biological Control (IOBC) toxicity classifications. Our work demonstrates that in most cases, chemical toxicities cannot be generalised across a range of beneficial insects and mites providing biological control, a finding that was found even when comparing impacts among closely related species of beetles, wasps and mites. Additionally, we show that toxicity impacts increase with exposure length, pointing to limitations of IOBC protocols. This work challenges the notion that chemical toxicities can be adequately tested on a limited number of 'representative' species; instead, it highlights the need for careful consideration and testing on a range of regionally and seasonally relevant beneficial species.
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Affiliation(s)
- Luis Mata
- Cesar Australia, 95 Albert Street, Brunswick 3056, Victoria, Australia; School of Agriculture, Food and Ecosystem Sciences, The University of Melbourne, 500 Yarra Boulevard, Richmond 3121, Victoria, Australia.
| | - Rosemary A Knapp
- Cesar Australia, 95 Albert Street, Brunswick 3056, Victoria, Australia
| | - Robert McDougall
- Cesar Australia, 95 Albert Street, Brunswick 3056, Victoria, Australia
| | - Kathy Overton
- Cesar Australia, 95 Albert Street, Brunswick 3056, Victoria, Australia
| | - Ary A Hoffmann
- Bio21 Institute, School of BioSciences, The University of Melbourne, 30 Flemington Road, Parkville 3052, Victoria, Australia
| | - Paul A Umina
- Cesar Australia, 95 Albert Street, Brunswick 3056, Victoria, Australia; Bio21 Institute, School of BioSciences, The University of Melbourne, 30 Flemington Road, Parkville 3052, Victoria, Australia.
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15
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Simon S, Riotord D, Morel K, Fleury A, Capowiez Y. A shift towards softer pest management differently benefits earwig and spider communities in a multiyear experiment in apple orchards. PEST MANAGEMENT SCIENCE 2024. [PMID: 38855813 DOI: 10.1002/ps.8232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 05/18/2024] [Accepted: 05/23/2024] [Indexed: 06/11/2024]
Abstract
BACKGROUND Environmentally-friendly crop protection practices are needed to enhance the sustainability of current agricultural systems. This is crucial in orchards which are extensively treated to impair various pests, at the expense of natural enemies. However, the effect of a shift towards softer pest management on the beneficial arthropod community is poorly documented. Earwigs (Dermaptera: Forficulidae) and spiders (Araneae) are relevant groups to assess such effects because they are highly sensitive to agricultural practices. They were monitored for 6 and 4 years, respectively, in apple orchards under three pest management regimes: Organic, Low-input and Conventional, with pest management being switched during the survey from a broad-spectrum insecticide schedule to mating disruption in the latter one, and more selective compounds in all orchards. RESULTS The survey displayed that earwig abundance (mainly Forficula auricularia) that was initially very low in the Conventional orchard (annual mean 0.5-1.7 earwigs per shelter in the 2010-2012 period) increased to the same level as that of Low-input and Organic orchards (over 10 earwigs per shelter) in the same year that changes in pest management occurred. The epigeal and arboreal spider communities were not responsive, and no recovering was observed 4 years after change in practices. CONCLUSION Predatory arthropod communities are differently affected over time by changes in pest management, most probably due to their biology (dispersion, reproduction rate, susceptibility to pesticides etc.). This outlines the importance of documenting the time required to recover after perturbations and build a natural enemy community to enhance pest control in a win-win perspective. © 2024 Society of Chemical Industry.
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Affiliation(s)
| | | | - Karine Morel
- UERI Gotheron, INRAE, Saint-Marcel-lès-Valence, France
| | | | - Yvan Capowiez
- UMR EMMAH, INRAE-Université d'Avignon, Avignon, France
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16
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Afzal F, Ghaffar A, Jamil H, Abbas G, Tahir R, Ataya FS. Toxicological assessment of bromoxynil and 2-methyl-4-chlorophenoxyacetic acid herbicide in combination on Cirrhinus mrigala using multiple biomarker approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 926:172019. [PMID: 38547980 DOI: 10.1016/j.scitotenv.2024.172019] [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: 12/25/2023] [Revised: 03/25/2024] [Accepted: 03/25/2024] [Indexed: 04/07/2024]
Abstract
The widespread application of herbicides raises concerns about their impact on non-target aquatic organisms. This study aimed to evaluate the toxicity of a commercially available herbicide formulation containing Bromoxynil+MCPA (2-Methyl-4-chlorophenoxyacetic acid) on Cirrhinus mrigala (economically significant fish). A total of 210 juvenile fish were subjected to a triplicate experimental setup, with 70 fish allocated to each replicate, exposed to seven different concentrations of herbicide: 0 mg/L, 0.133 mg/L, 0.266 mg/L, 0.4 mg/L, 0.5 mg/L, 0.66 mg/L, and 0.8 mg/L, respectively, for a duration of 96 h. The median lethal concentration (LC50) was determined to be 0.4 mg/L. Significant hematological alterations were observed, including decreases in RBC counts, hemoglobin, hematocrit, and lymphocyte counts, along with an increase in erythrocyte indices. Biochemical analysis revealed elevated levels of neutrophils, WBCs, bilirubin, urea, creatinine, ALT, AST, ALP, and glucose in treated groups. Morphological abnormalities in erythrocytes and histopathological changes in gills, liver, and kidneys were noted. Pathological alterations in gills, liver and kidneys including epithelial cell uplifting, lamellar fusion, hepatolysis, and renal tubule degeneration were observed. Oxidative stress biomarkers such as TBARS (Thiobarbituric Acid Reactive Substance), ROS (Reactive Oxygen Species), and POD (Peroxides) activity increased, while antioxidant enzymatic activities decreased as toxicant doses increased from low to high concentrations. The study reveals that Bromoxynil+MCPA significantly disrupts physiological and hematobiochemical parameters in Cirrhinus mrigala, which highlights the substantial aquatic risks. In conclusion, the herbicide formulation induced significant alterations in various fish biomarkers, emphasizing their pivotal role in assessing the environmental impact of toxicity. This multi-biomarker approach offers valuable insights regarding the toxicological effects, thereby contributing substantially to the comprehensive evaluation of environmental hazards.
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Affiliation(s)
- Fozia Afzal
- Department of Zoology, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan; Department of Zoology, The Islamia University of Bahawalpur, Rahim Yar Khan Campus, Pakistan.
| | - Abdul Ghaffar
- Department of Zoology, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan.
| | - Habiba Jamil
- Department of Zoology, The Islamia University of Bahawalpur, Bahawalpur 63100, Pakistan
| | - Ghulam Abbas
- Centre of Excellence in Marine Biology University of Karachi, Karachi 75270, Pakistan
| | - Rabia Tahir
- College of Animal Science and Technology, Sichuan Agricultural university, Chengdu, China
| | - Farid Shokry Ataya
- Department of Biochemistry, College of Science, King Saud University, PO Box 2455, Riyadh 11451, Saudi Arabia
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17
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Gomarasca S, Stefani F, Fasola E, La Porta CA, Bocchi S. Regional evaluation of glyphosate pollution in the minor irrigation network. CHEMOSPHERE 2024; 355:141679. [PMID: 38527632 DOI: 10.1016/j.chemosphere.2024.141679] [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: 09/20/2023] [Revised: 02/13/2024] [Accepted: 03/08/2024] [Indexed: 03/27/2024]
Abstract
Due to its low cost, its ease of use and to the "mild action" declared for long time by the Control and Approval Agencies towards it, the herbicide Glyphosate, is one of the currently best-selling and most-used agricultural products worldwide. In this work, we evaluated the presence and spread of Glyphosate in the Po River Basin (Northern Italy), one of the regions with the most intensified agriculture in Europe and where, by now for decades, a strong and general loss of aquatic biodiversity is observed. In order to carry out a more precise study of the real presence of this herbicide in the waters, samples were collected from the minor water network for two consecutive years, starting in 2022, at an interval time coinciding with those of the spring and summer crop treatments. In contrast to the sampling strategies generally adopted by Environmental Protection Agencies, a more focused sampling strategy was adopted to highlight the possible high concentrations in minor watercourses in direct contact with cultivated fields. Finally, we investigated the possible consequences that the higher amounts of Glyphosate found in our monitoring activities can have on stress reactions in plant (Groenlandia densa) and animal (Daphnia magna) In all the monitoring campaigns we detected exceeding European Environmental Quality Standard - EQS limits (0.1 μg/L) values. Furthermore, in some intensively agricultural areas, concentrations reached hundreds of μg/L, with the highest peaks during spring. In G. densa and D. magna, the exposition to increasing doses of herbicide showed a clear response linked to metabolic stress. Overall, our results highlight how, after several decades of its use, the Glyphosate use efficiency is still too low, leading to economic losses for the farm and to strong impacts on ecosystem health. Current EU policy indications call for an agroecological approach necessary to find alternatives to chemical weed control, which farms can develop in different contexts in order to achieve the sustainability goals set by the Farm to Fork strategy.
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Affiliation(s)
- Stefano Gomarasca
- Dep. of Environmental Science and Policy (ESP), University of Milan, Via Celoria 2, 20133, Milano, Italy.
| | - Fabrizio Stefani
- Water Research Institute-National Research Council (IRSA-CNR), Via del Mulino 19, 20861, Brugherio, MB, Italy.
| | - Emanuele Fasola
- Water Research Institute-National Research Council (IRSA-CNR), Via del Mulino 19, 20861, Brugherio, MB, Italy.
| | - Caterina Am La Porta
- Dep. of Environmental Science and Policy (ESP), University of Milan, Via Celoria 2, 20133, Milano, Italy.
| | - Stefano Bocchi
- Dep. of Environmental Science and Policy (ESP), University of Milan, Via Celoria 2, 20133, Milano, Italy.
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18
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Khan HAA. Resistance risk assessment, cross-resistance potential and realized heritability of resistance to methomyl in Musca domestica Linnaeus. ECOTOXICOLOGY (LONDON, ENGLAND) 2024; 33:226-234. [PMID: 38424316 DOI: 10.1007/s10646-024-02742-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 02/19/2024] [Indexed: 03/02/2024]
Abstract
The use of insecticides in agricultural settings often exerts negative effects on nontarget species. Methomyl, a broad-spectrum carbamate insecticide, is recommended to manage a number of insect pests of the cotton crop. Recently, Musca domestica, which is a nontarget insect species in cotton fields, has shown resistance to methomyl in Pakistan. The present study tried to assess resistance-risk assessment, rapidity of resistance development to methomyl, cross-resistance potential to other insecticides, resistance heritability and to forecast the projected rate of resistance development under field conditions. For this purpose, a field strain of M. domestica with 186 fold resistance to methomyl was re-selected in the laboratory for eight consecutive generations. Consequently, LD50 values increased rapidly (126.64 ng/fly to 3112.79 ng/fly) compared to those before selection experiments. Similarly, RR values increased from 186 to 3113 fold as a result of the selection process. However, resistance to methomyl did not remain stable when the selected strain (Meth-SEL) reared for the next five generations in a pesticide free environment. The Meth-SEL strain also developed cross-resistance to permethrin. The realized heritability (h2) value for the Meth-SEL strain was 0.39 with 27% average mortality of M. domestica. Assuming the standard deviation (σp) value 0.27 and the h2 value 0.39 for eight generations of continuous exposure to methomyl, then five, seven, eight, ten and twelve generations at 90, 80, 70, 60 and 50% selection intensity, respectively, would be required for a tenfold increase in the LD50 value of methomyl. In conclusion, the Meth-SEL strain of M. domestica exhibited a high risk of resistance development to methomyl under continuous selection pressure. Resistance increased rapidly during selection experiments that reflect the probability of resistance development under field conditions if M. domestica receive exposures to methomyl during its applications for the management of target pest species.
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19
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Zeng B, Hunt BJ, Pym A, Balanza V, Bass C, Bielza P, Troczka BJ. Aberrant splicing of a nicotinic acetylcholine receptor alpha 6 subunit is associated with spinosad tolerance in the thrips predator Orius laevigatus. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2024; 200:105837. [PMID: 38582599 DOI: 10.1016/j.pestbp.2024.105837] [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: 01/03/2024] [Revised: 02/16/2024] [Accepted: 02/20/2024] [Indexed: 04/08/2024]
Abstract
Susceptibility to insecticides is one of the limiting factors preventing wider adoption of natural enemies to control insect pest populations. Identification and selective breeding of insecticide tolerant strains of commercially used biological control agents (BCAs) is one of the approaches to overcome this constraint. Although a number of beneficial insects have been selected for increased tolerance to insecticides the molecular mechanisms underpinning these shifts in tolerance are not well characterised. Here we investigated the molecular mechanisms of enhanced tolerance of a lab selected strain of Orius laevigatus (Fieber) to the commonly used biopesticide spinosad. Transcriptomic analysis showed that spinosad tolerance is not a result of overexpressed detoxification genes. Molecular analysis of the target site for spinosyns, the nicotinic acetylcholine receptor (nAChR), revealed increased expression of truncated transcripts of the nAChR α6 subunit in the spinosad selected strain, a mechanism of resistance which was described previously in insect pest species. Collectively, our results demonstrate the mechanisms by which some beneficial biological control agents can evolve insecticide tolerance and will inform the development and deployment of insecticide-tolerant natural enemies in integrated pest management strategies.
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Affiliation(s)
- Bin Zeng
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom
| | - Benjamin J Hunt
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom
| | - Adam Pym
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom
| | - Virginia Balanza
- Departamento de Ingeniería Agronómica, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Chris Bass
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom
| | - Pablo Bielza
- Departamento de Ingeniería Agronómica, Universidad Politécnica de Cartagena, Cartagena, Spain
| | - Bartlomiej J Troczka
- Centre for Ecology and Conservation, University of Exeter, Penryn, Cornwall, United Kingdom.
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20
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Calvin W, Yang F, Kennedy H, Marçon PG, Kerns DL. Susceptibility of Field and Laboratory Bt-Susceptible and Resistant Strains of Helicoverpa zea (Boddie) to HearNPV. PLANTS (BASEL, SWITZERLAND) 2024; 13:529. [PMID: 38498539 PMCID: PMC10892202 DOI: 10.3390/plants13040529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 01/21/2024] [Accepted: 02/05/2024] [Indexed: 03/20/2024]
Abstract
During 2021 and 2022, eight field-collected and five laboratory Helicoverpa zea strains with varying susceptibility to different Bt proteins were evaluated for their responses against HearNPV using diet-overlay bioassays. The five laboratory strains included SS (susceptible to all Bt proteins), CRY-RR (resistant to Cry1 and Cry2), VIP-RR-70 (resistant to Vip3Aa), VIP-RR-15 (resistant to Vip3Aa), and TRE-RR (resistant to Cry1, Cry2, and Vip3Aa). Our findings showed that the susceptibility of TRE-RR, VIP-RR-70, and VIP-RR-15 strains to HearNPV was similar to that of the SS strain. However, the field and Cry-RR strains were more resistant to HearNPV compared to the SS strain. Because most feral H. zea strains in the southern U.S. have developed practical resistance to Cry Bt proteins but remain susceptible to Vip3Aa, the results suggest that the reduced susceptibility to HearNPV in H. zea may be associated with the resistance to Cry Bt proteins but not with the resistance to Vip3Aa. Correlation analysis confirmed that there was a significant positive relationship between Cry resistance and HearNPV resistance, but not between the Vip3Aa resistance and HearNPV resistance in H. zea. Our findings provide valuable insights into the relationship between susceptibility to HearNPV and resistance to Bt proteins in H. zea.
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Affiliation(s)
- Wilfrid Calvin
- Department of Entomology, Texas A&M University, 2475 TAMU, College Station, TX 77843, USA
- Department of Entomology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Fei Yang
- Department of Entomology, University of Minnesota, Saint Paul, MN 55108, USA
| | - Haley Kennedy
- Department of Entomology, Texas A&M University, 2475 TAMU, College Station, TX 77843, USA
| | | | - David L Kerns
- Department of Entomology, Texas A&M University, 2475 TAMU, College Station, TX 77843, USA
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Duchet C, Grabicová K, Kolar V, Lepšová O, Švecová H, Csercsa A, Zdvihalová B, Randák T, Boukal DS. Combined effects of climate warming and pharmaceuticals on a tri-trophic freshwater food web. WATER RESEARCH 2024; 250:121053. [PMID: 38159539 DOI: 10.1016/j.watres.2023.121053] [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: 08/04/2023] [Revised: 12/13/2023] [Accepted: 12/21/2023] [Indexed: 01/03/2024]
Abstract
Multiple anthropogenic stressors influence the functioning of lakes and ponds, but their combined effects are often little understood. We conducted two mesocosm experiments to evaluate the effects of warming (+4 °C above ambient temperature) and environmentally relevant concentrations of a mixture of commonly used pharmaceuticals (cardiovascular, psychoactive, antihistamines, antibiotics) on tri-trophic food webs representative of communities in ponds and other small standing waters. Communities were constituted of phyto- and zooplankton and macroinvertebrates (molluscs and insects) including benthic detritivores, grazers, omnivorous scrapers, omnivorous piercers, water column predators, benthic predators, and phytophilous predators. We quantified the main and interactive effects of warming and pharmaceuticals on each trophic level in the pelagic community and attributed them to the direct effects of both stressors and the indirect effects arising through biotic interactions. Warming and pharmaceuticals had stronger effects in the summer experiment, altering zooplankton community composition and causing delayed or accelerated emergence of top insect predators (odonates). In the summer experiment, both stressors and top predators reduced the biomass of filter-feeding zooplankton (cladocerans), while warming and pharmaceuticals had opposite effects on phytoplankton. In the winter experiment, the effects were much weaker and were limited to a positive effect of warming on phytoplankton biomass. Overall, we show that pharmaceuticals can exacerbate the effects of climate warming in freshwater ecosystems, especially during the warm season. Our results demonstrate the utility of community-level studies across seasons for risk assessment of multiple emerging stressors in freshwater ecosystems.
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Affiliation(s)
- Claire Duchet
- Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budějovice, Czech Republic; Institute of Entomology, Biology Centre of the Czech Academy of Sciences, Branišovská 31, 37005 České Budějovice, Czech Republic.
| | - Kateřina Grabicová
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, CZ-389 25 Vodňany, Czech Republic
| | - Vojtech Kolar
- Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budějovice, Czech Republic; Institute of Entomology, Biology Centre of the Czech Academy of Sciences, Branišovská 31, 37005 České Budějovice, Czech Republic
| | - Olga Lepšová
- Department of Botany, Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budějovice, Czech Republic
| | - Helena Švecová
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, CZ-389 25 Vodňany, Czech Republic
| | - Andras Csercsa
- Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budějovice, Czech Republic
| | - Barbora Zdvihalová
- Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budějovice, Czech Republic
| | - Tomáš Randák
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Zátiší 728/II, CZ-389 25 Vodňany, Czech Republic
| | - David S Boukal
- Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, 37005 České Budějovice, Czech Republic; Institute of Entomology, Biology Centre of the Czech Academy of Sciences, Branišovská 31, 37005 České Budějovice, Czech Republic
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22
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Amador P, Vega C, Navarro Pacheco NI, Moratalla-López J, Palacios J, Crettaz Minaglia MC, López I, Díaz M, Rico A. Effects of the fungicide azoxystrobin in two habitats representative of mediterranean coastal wetlands: A mesocosm experiment. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2024; 267:106828. [PMID: 38176168 DOI: 10.1016/j.aquatox.2023.106828] [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: 09/11/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/06/2024]
Abstract
This paper investigates the effects of the fungicide azoxystrobin, a compound widely used in rice farming, on aquatic communities representative of two habitats characteristic of Mediterranean wetland ecosystems: water springs and eutrophic lake waters. The long-term effects of azoxystrobin were evaluated on several structural (phytoplankton, zooplankton, macroinvertebrate populations and communities) and functional (microbial decomposition, macrophyte and periphyton growth) parameters making use of freshwater mesocosms. Azoxystrobin was applied in two pulses of 2, 20, 200 µg/L separated by 14 d using the commercial product ORTIVA (23 % azoxystrobin w/w). The results show that these two habitats responded differently to the fungicide application due to their distinct physico-chemical, functional, and structural characteristics. Although overall sensitivity was found to be similar between the two (lowest NOEC < 2 µg/L), the taxa and processes that were affected differed substantially. In general, the most sensitive species to the fungicide were found in the water spring mesocosms, with some species of phytoplankton (Nitzschia sp.) or macrocrustaceans (Echinogammarus sp. and Dugastella valentina) being significantly affected at 2 µg/L. In the eutrophic lake mesocosms, effects were found on phytoplankton taxa (Desmodesmus sp. and Coelastrum sp.), on numerous zooplankton taxa, on chironomids and on the beetle Colymbetes fuscus, although at higher concentrations. The hemipteran Micronecta scholtzi was affected in both treatments. In addition, functional parameters such as organic matter decomposition or macrophyte growth were also affected at relatively low concentrations (NOEC 2 µg/L). Structural Equation Modelling was used to shed light on the indirect effects caused by azoxystrobin on the ecosystem. These results show that azoxystrobin is likely to pose structural and functional effects on Mediterranean wetland ecosystems at environmentally relevant concentrations. Moreover, it highlights the need to consider habitat-specific features when conducting ecotoxicological research at the population and community levels.
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Affiliation(s)
- Pablo Amador
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, c/ Catedrático José Beltrán 2, Paterna, Valencia 46980, Spain
| | - Constanza Vega
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Av. Punto Com 2, Alcalá de Henares, Madrid 28805, Spain
| | - Natividad Isael Navarro Pacheco
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, c/ Catedrático José Beltrán 2, Paterna, Valencia 46980, Spain
| | - Jesús Moratalla-López
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, c/ Catedrático José Beltrán 2, Paterna, Valencia 46980, Spain
| | - Jose Palacios
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, c/ Catedrático José Beltrán 2, Paterna, Valencia 46980, Spain
| | - Melina Celeste Crettaz Minaglia
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Av. Punto Com 2, Alcalá de Henares, Madrid 28805, Spain
| | - Isabel López
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Av. Punto Com 2, Alcalá de Henares, Madrid 28805, Spain
| | - Mónica Díaz
- IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Av. Punto Com 2, Alcalá de Henares, Madrid 28805, Spain
| | - Andreu Rico
- Cavanilles Institute of Biodiversity and Evolutionary Biology, University of Valencia, c/ Catedrático José Beltrán 2, Paterna, Valencia 46980, Spain; IMDEA Water Institute, Science and Technology Campus of the University of Alcalá, Av. Punto Com 2, Alcalá de Henares, Madrid 28805, Spain.
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23
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Li M, Kandul NP, Sun R, Yang T, Benetta ED, Brogan DJ, Antoshechkin I, Sánchez C HM, Zhan Y, DeBeaubien NA, Loh YM, Su MP, Montell C, Marshall JM, Akbari OS. Targeting sex determination to suppress mosquito populations. eLife 2024; 12:RP90199. [PMID: 38289340 PMCID: PMC10945564 DOI: 10.7554/elife.90199] [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] [Indexed: 02/01/2024] Open
Abstract
Each year, hundreds of millions of people are infected with arboviruses such as dengue, yellow fever, chikungunya, and Zika, which are all primarily spread by the notorious mosquito Aedes aegypti. Traditional control measures have proven insufficient, necessitating innovations. In response, here we generate a next-generation CRISPR-based precision-guided sterile insect technique (pgSIT) for Ae. aegypti that disrupts genes essential for sex determination and fertility, producing predominantly sterile males that can be deployed at any life stage. Using mathematical models and empirical testing, we demonstrate that released pgSIT males can effectively compete with, suppress, and eliminate caged mosquito populations. This versatile species-specific platform has the potential for field deployment to effectively control wild populations of disease vectors.
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Affiliation(s)
- Ming Li
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
| | - Nikolay P Kandul
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
| | - Ruichen Sun
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
| | - Ting Yang
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
| | - Elena D Benetta
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
| | - Daniel J Brogan
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
| | - Igor Antoshechkin
- Division of Biology and Biological Engineering (BBE), California Institute of TechnologyPasadenaUnited States
| | - Héctor M Sánchez C
- Divisions of Epidemiology & Biostatistics, School of Public Health, University of California, BerkeleyBerkeleyUnited States
| | - Yinpeng Zhan
- Department of Molecular, Cellular, and Developmental Biology and the Neuroscience Research, Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - Nicolas A DeBeaubien
- Department of Molecular, Cellular, and Developmental Biology and the Neuroscience Research, Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - YuMin M Loh
- Graduate School of Science, Nagoya UniversityNagoyaJapan
| | - Matthew P Su
- Graduate School of Science, Nagoya UniversityNagoyaJapan
- Institute for Advanced Research, Nagoya UniversityNagoyaJapan
| | - Craig Montell
- Department of Molecular, Cellular, and Developmental Biology and the Neuroscience Research, Institute, University of California, Santa BarbaraSanta BarbaraUnited States
| | - John M Marshall
- Divisions of Epidemiology & Biostatistics, School of Public Health, University of California, BerkeleyBerkeleyUnited States
- Innovative Genomics InstituteBerkeleyUnited States
| | - Omar S Akbari
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, BerkeleyBerkeleyUnited States
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24
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Hosseinizadeh Z, Osanloo M, Alipour H, Heiran R, Shahriari-Namadi M, Moemenbellah-Fard MD. Nanoliposomal Trachyspermum ammi (L) sprague essential oil for effective control of malaria mosquito larvae, Anopheles stephensi Liston. Exp Parasitol 2023; 255:108644. [PMID: 37939823 DOI: 10.1016/j.exppara.2023.108644] [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: 08/13/2023] [Revised: 09/20/2023] [Accepted: 10/24/2023] [Indexed: 11/10/2023]
Abstract
Controlling mosquito vectors at immature stages using larvicides is a practical strategy to stave off mosquito-borne diseases such as malaria. Developing nanoliposomes bearing essential oil is a promising approach to improving the efficacy and stability of EOs-derived larvicides. The main aim of this investigation was to assess the efficacy of nanoliposome containing Trachyspermum ammi L. EO (TAEO-NL) as a new potential formulation to control Anopheles stephensi Liston (Diptera, Culicidae) mosquito larvae. The chemical constituents of T. ammi L. essential oil (TAEO) were first investigated using gas chromatography-mass spectrometry (GC-MS) analysis; its dominant component (48.22%) was thymol. TAEO-NL with a particle size of 54.6 ± 5 nm and zeta potential of -18 ± 0.5 mV were then prepared using the ethanol injection method. Besides, the successful loading of TAEO was confirmed using Attenuated Total Reflection-Fourier Transform Infra-Red (ATR-FTIR) spectroscopy analysis. A significant difference (P < 0.05) was observed in the efficacy of TAEO-NL and TAEO with lethal concentration 50% (LC50) values of 14.09 and 59.47 μg/mL against An. stephensi larvae. However, free nanoliposomes show negligible larvicidal effects (<5%). This nano-formulation could thus be suggested as a green product against insects to impede transmission of deadly infectious diseases with possible field applicability scope.
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Affiliation(s)
- Z Hosseinizadeh
- Student Research Committee, Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - M Osanloo
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences (FUMS), Fasa, Iran.
| | - H Alipour
- Research Center for Health Sciences, Institute of Health, Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences (SUMS), Shiraz, Iran.
| | - R Heiran
- Estahban Higher Education Center- Shiraz University, Estahban, Iran.
| | - M Shahriari-Namadi
- Student Research Committee, Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - M D Moemenbellah-Fard
- Research Center for Health Sciences, Institute of Health, Department of Biology and Control of Disease Vectors, School of Health, Shiraz University of Medical Sciences (SUMS), Shiraz, Iran.
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25
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Thill A, Cammaerts MC, Balmori A. Biological effects of electromagnetic fields on insects: a systematic review and meta-analysis. REVIEWS ON ENVIRONMENTAL HEALTH 2023; 0:reveh-2023-0072. [PMID: 37990587 DOI: 10.1515/reveh-2023-0072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 10/04/2023] [Indexed: 11/23/2023]
Abstract
Worldwide, insects are declining at an alarming rate. Among other causes, the use of pesticides and modern agricultural practices play a major role in this. Cumulative effects of multiple low-dose toxins and the distribution of toxicants in nature have only started to be investigated in a methodical way. Existing research indicates another factor of anthropogenic origin that could have subtle harmful effects: the increasingly frequent use of electromagnetic fields (EMF) from man-made technologies. This systematic review summarizes the results of studies investigating the toxicity of electromagnetic fields in insects. The main objective of this review is to weigh the evidence regarding detrimental effects on insects from the increasing technological infrastructure, with a particular focus on power lines and the cellular network. The next generation of mobile communication technologies, 5G, is being deployed - without having been tested in respect of potential toxic effects. With humanity's quest for pervasiveness of technology, even modest effects of electromagnetic fields on organisms could eventually reach a saturation level that can no longer be ignored. An overview of reported effects and biological mechanisms of exposure to electromagnetic fields, which addresses new findings in cell biology, is included. Biological effects of non-thermal EMF on insects are clearly proven in the laboratory, but only partly in the field, thus the wider ecological implications are still unknown. There is a need for more field studies, but extrapolating from the laboratory, as is common practice in ecotoxicology, already warrants increasing the threat level of environmental EMF impact on insects.
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26
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Bakenhus I, Jongsma R, Michler-Kozma D, Hölscher L, Gabel F, Holert J, Philipp B. A domesticated photoautotrophic microbial community as a biofilm model system for analyzing the influence of plastic surfaces on invertebrate grazers in limnic environments. Front Microbiol 2023; 14:1238913. [PMID: 38033587 PMCID: PMC10687189 DOI: 10.3389/fmicb.2023.1238913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 11/03/2023] [Indexed: 12/02/2023] Open
Abstract
The environmental fate of plastic particles in water bodies is influenced by microbial biofilm formation. Invertebrate grazers may be affected when foraging biofilms on plastics compared to biofilms on natural substrata but the mechanistic basis for these effects is unknown. For analyzing these effects in ecotoxicological assays stable and reproducible biofilm communities are required that are related to the environmental site of interest. Here, a defined biofilm community was established and used to perform grazing experiments with a freshwater snail. For this, snippets of different plastic materials were incubated in the photic zone of three different freshwater sites. Amplicon sequencing of biofilms formed on these snippets showed that the site of incubation and not the plastic material dominated the microbial community composition. From these biofilms, individual microbial strains as well as photoautotrophic consortia were isolated; these consortia consisted of heterotrophic bacteria that were apparently nourished by microalga. While biofilms formed by defined dual cultures of a microalga and an Alphaproteobacterium were not accepted by the snail P. fontinalis, a photoautotrophic consortium (Co_3) sustained growth and metabolism of this grazer. Amplicon sequencing revealed that consortium Co_3, which could be stably maintained on solid medium under photoautotrophic conditions, reproducibly formed biofilms of a defined composition on three different plastic materials and on glass surfaces. In conclusion, our study shows that the generation of domesticated photoautotrophic microbial communities is a valid novel approach for establishing laboratory ecotoxicological assays with higher environmental relevance than those based on defined microbiota.
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Affiliation(s)
- Insa Bakenhus
- Institute for Molecular Microbiology and Biotechnology, Universität Münster, Münster, Germany
| | - Rense Jongsma
- Institute for Molecular Microbiology and Biotechnology, Universität Münster, Münster, Germany
| | | | - Lea Hölscher
- Institute for Molecular Microbiology and Biotechnology, Universität Münster, Münster, Germany
| | - Friederike Gabel
- Institute for Landscape Ecology, Universität Münster, Münster, Germany
| | - Johannes Holert
- Institute for Molecular Microbiology and Biotechnology, Universität Münster, Münster, Germany
| | - Bodo Philipp
- Institute for Molecular Microbiology and Biotechnology, Universität Münster, Münster, Germany
- Fraunhofer-Institut für Molekulare und Angewandte Ökologie IME, Umweltmikrobiologie, Schmallenberg, Germany
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27
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Li M, Kandul NP, Sun R, Yang T, Benetta ED, Brogan DJ, Antoshechkin I, Sánchez C. HM, Zhan Y, DeBeaubien NA, Loh YM, Su MP, Montell C, Marshall JM, Akbari OS. Targeting Sex Determination to Suppress Mosquito Populations. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.04.18.537404. [PMID: 37131747 PMCID: PMC10153225 DOI: 10.1101/2023.04.18.537404] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Each year, hundreds of millions of people are infected with arboviruses such as dengue, yellow fever, chikungunya, and Zika, which are all primarily spread by the notorious mosquito Aedes aegypti. Traditional control measures have proven insufficient, necessitating innovations. In response, here we generate a next generation CRISPR-based precision-guided sterile insect technique (pgSIT) for Aedes aegypti that disrupts genes essential for sex determination and fertility, producing predominantly sterile males that can be deployed at any life stage. Using mathematical models and empirical testing, we demonstrate that released pgSIT males can effectively compete with, suppress, and eliminate caged mosquito populations. This versatile species-specific platform has the potential for field deployment to effectively control wild populations of disease vectors.
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Affiliation(s)
- Ming Li
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Nikolay P. Kandul
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Ruichen Sun
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Ting Yang
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Elena D. Benetta
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Daniel J. Brogan
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Igor Antoshechkin
- Division of Biology and Biological Engineering (BBE), California Institute of Technology, Pasadena, CA 91125, USA
| | - Héctor M. Sánchez C.
- Divisions of Epidemiology & Biostatistics, School of Public Health, University of California, Berkeley, CA, 94720, USA
| | - Yinpeng Zhan
- Department of Molecular, Cellular, and Developmental Biology and the Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - Nicolas A. DeBeaubien
- Department of Molecular, Cellular, and Developmental Biology and the Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - YuMin M. Loh
- Graduate School of Science, Nagoya University, Nagoya, Aichi, Japan
| | - Matthew P. Su
- Graduate School of Science, Nagoya University, Nagoya, Aichi, Japan
- Institute for Advanced Research, Nagoya University, Nagoya, Aichi, Japan
| | - Craig Montell
- Department of Molecular, Cellular, and Developmental Biology and the Neuroscience Research Institute, University of California, Santa Barbara, Santa Barbara, CA 93106, USA
| | - John M. Marshall
- Divisions of Epidemiology & Biostatistics, School of Public Health, University of California, Berkeley, CA, 94720, USA
- Innovative Genomics Institute, Berkeley, CA 94720, USA
| | - Omar S. Akbari
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California, San Diego, La Jolla, CA 92093, USA
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Schöfer N, Ackermann J, Hoheneder J, Hofferberth J, Ruther J. Sublethal Effects of Four Insecticides Targeting Cholinergic Neurons on Partner and Host Finding in the Parasitic Wasp Nasonia vitripennis. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:2400-2411. [PMID: 37477474 DOI: 10.1002/etc.5721] [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: 05/12/2023] [Revised: 07/03/2023] [Accepted: 07/18/2023] [Indexed: 07/22/2023]
Abstract
Lethal and sublethal effects of pesticides on nontarget organisms are one of the causes of the current decline of many insect species. However, research in the past decades has focused primarily on pollinators, although other beneficial nontarget organisms such as parasitic wasps may also be affected. We studied the sublethal effects of the four insecticides acetamiprid, dimethoate, flupyradifurone, and sulfoxaflor on pheromone-mediated sexual communication and olfactory host finding of the parasitic wasp Nasonia vitripennis. All agents target cholinergic neurons, which are involved in the processing of chemical information by insects. We applied insecticide doses topically and tested the response of treated wasps to sex pheromones and host-associated chemical cues. In addition, we investigated the mating rate of insecticide-treated wasps. The pheromone response of females surviving insecticide treatment was disrupted by acetamiprid (≥0.63 ng), dimethoate (≥0.105 ng), and flupyradifurone (≥21 ng), whereas sulfoxaflor had no significant effects at the tested doses. Olfactory host finding was affected by all insecticides (acetamiprid ≥1.05 ng, dimethoate ≥0.105 ng, flupyradifurone ≥5.25 ng, sulfoxaflor ≥0.52 ng). Remarkably, females treated with ≥0.21 ng dimethoate even avoided host odor. The mating rate of treated N. vitripennis couples was decreased by acetamiprid (6.3 ng), flupyradifurone (≥2.63 ng), and sulfoxaflor (2.63 ng), whereas dimethoate showed only minor effects. Finally, we determined the amount of artificial nectar consumed by N. vitripennis females within 48 h. Considering this amount (∼2 µL) and the maximum concentrations of the insecticides reported in nectar, tested doses can be considered field-realistic. Our results suggest that exposure of parasitic wasps to field-realistic doses of insecticides targeting the cholinergic system reduces their effectiveness as natural enemies by impairing the olfactory sense. Environ Toxicol Chem 2023;42:2400-2411. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Nils Schöfer
- Institute of Zoology, University of Regensburg, Regensburg, Germany
| | - Julian Ackermann
- Institute of Zoology, University of Regensburg, Regensburg, Germany
| | - Julian Hoheneder
- Institute of Zoology, University of Regensburg, Regensburg, Germany
| | | | - Joachim Ruther
- Institute of Zoology, University of Regensburg, Regensburg, Germany
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29
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Pinheiro RA, Duque TS, Barroso GM, Soares MA, Cabral CM, Zanuncio JC, Dos Santos JB. Herbicides may threaten advances in biological control of diseases and pests. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:111850-111870. [PMID: 37848791 DOI: 10.1007/s11356-023-30198-0] [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: 07/03/2023] [Accepted: 09/27/2023] [Indexed: 10/19/2023]
Abstract
Advances in agriculture include integrated methods of controlling pests, diseases, and weeds with biocontrollers, which are constantly increasing, along with herbicides. The objective is to present a systematic review of the main reports of herbicide effects on non-target organisms used in applied biological control and those naturally occurring in the ecosystems controlling pests. The categories were divided into predatory and parasitoid arthropods. Three hundred and fifty reports were analyzed, being 58.3% with parasitoids and 41.7% with predators. Lethal or sublethal effects of herbicides on reproduction, predation, genotoxicity, and abundance of biological control organisms have been reported. Two hundred and four reports of the impact of herbicides on parasitoids were analyzed. The largest number of reports was with parasitoids of the genus Trichogramma, with wide use in managing pests of the herbicide-tolerant transgenic plants. Most tests evaluating effects on parasitism, emergence, and mortality of natural enemies subjected to herbicides are with parasitoids of Lepidoptera eggs with a high diversity and use in managing these pests in different crops. Additive and synergistic effects of molecules increase the risks of herbicide mixtures. Herbicide use for weed management must integrate other control methods, as the chemical can impact natural enemies, reducing the biological control of pests.
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Affiliation(s)
- Rodrigo Almeida Pinheiro
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39100-000, Diamantina, Minas Gerais, Brasil
| | - Tayna Sousa Duque
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39100-000, Diamantina, Minas Gerais, Brasil
| | - Gabriela Madureira Barroso
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39100-000, Diamantina, Minas Gerais, Brasil.
| | - Marcus Alvarenga Soares
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39100-000, Diamantina, Minas Gerais, Brasil
| | - Cassia Michelle Cabral
- Departamento de Biologia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39100-000, Diamantina, Minas Gerais, Brasil
| | - José Cola Zanuncio
- Departamento de Entomologia/BIOAGRO, Universidade Federal de Viçosa, 36570-900, Viçosa, Minas Gerais, Brasil
| | - José Barbosa Dos Santos
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, 39100-000, Diamantina, Minas Gerais, Brasil
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Duchet C, Hou F, Sinclair CA, Tian Z, Kraft A, Kolar V, Kolodziej EP, McIntyre JK, Stark JD. Neonicotinoid mixture alters trophic interactions in a freshwater aquatic invertebrate community. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 897:165419. [PMID: 37429477 DOI: 10.1016/j.scitotenv.2023.165419] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/17/2023] [Accepted: 07/07/2023] [Indexed: 07/12/2023]
Abstract
Neonicotinoids are increasingly and widely used systemic insecticides in agriculture, residential applications, and elsewhere. These pesticides can sometimes occur in small water bodies in exceptionally high concentrations, leading to downstream non-target aquatic toxicity. Although insects appear to be the most sensitive group to neonicotinoids, other aquatic invertebrates may also be affected. Most existing studies focus on single-insecticide exposure and very little is known concerning the impact of neonicotinoid mixtures on aquatic invertebrates at the community level. To address this data gap and explore community-level effects, we performed an outdoor mesocosm experiment that tested the effect of a mixture of three common neonicotinoids (formulated imidacloprid, clothianidin and thiamethoxam) on an aquatic invertebrate community. Exposure to the neonicotinoid mixture induced a top-down cascading effect on insect predators and zooplankton, ultimately increasing phytoplankton. Our results highlight complexities of mixture toxicity occurring in the environment that may be underestimated with traditional mono-specific toxicological approaches.
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Affiliation(s)
- Claire Duchet
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, USA; Institute of Entomology, Biology Centre of the Czech Academy of Sciences, Branišovská 31, CZ-37005 České Budějovice, Czech Republic; Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, CZ-37005 České Budějovice, Czech Republic.
| | - Fan Hou
- Center for Urban Waters, Tacoma, WA 98421, USA; Department of Civil and Environmental Engineering, University of Washington, Seattle, WA 98195, USA
| | - Cailin A Sinclair
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, USA
| | - Zhenyu Tian
- Center for Urban Waters, Tacoma, WA 98421, USA; Interdisciplinary Arts and Sciences, University of Washington Tacoma, Tacoma, WA 98421, USA
| | - Alyssa Kraft
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, USA
| | - Vojtech Kolar
- Institute of Entomology, Biology Centre of the Czech Academy of Sciences, Branišovská 31, CZ-37005 České Budějovice, Czech Republic; Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Branišovská 1760, CZ-37005 České Budějovice, Czech Republic
| | - Edward P Kolodziej
- Center for Urban Waters, Tacoma, WA 98421, USA; Department of Civil and Environmental Engineering, University of Washington, Seattle, WA 98195, USA; Interdisciplinary Arts and Sciences, University of Washington Tacoma, Tacoma, WA 98421, USA
| | - Jenifer K McIntyre
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, USA
| | - John D Stark
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, USA
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Maksimovich KY, Dudko RY, Shatalova EI, Tsakalof AK, Tsatsakis AM, Golokhvast KS, Novikov EA. Species composition and ecological structure of ground beetles (Coleoptera, Carabidae) communities as biological indicators of the agro-environmental sustainability. ENVIRONMENTAL RESEARCH 2023; 234:116030. [PMID: 37142080 DOI: 10.1016/j.envres.2023.116030] [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: 04/01/2023] [Revised: 04/29/2023] [Accepted: 05/01/2023] [Indexed: 05/06/2023]
Abstract
Intensification of crop cultivation can have detrimental environmental consequences that however can be prevented by monitoring of the specific biological indicators sensitive to changes in the ambient environment. In this study the impact of crop type (spring wheat and corn) and cultivation intensity on the community of ground beetles (Coleoptera: Carabidae) in the forest-steppe of Western Siberia was investigated. A total of 39 species from 15 genera were collected. Ground beetles' community was characterized by a high evenness of species distribution across the agroecosystems. The average Jaccard's similarity index for species presence/absence was 65%, and for abundance it was 54%. The significant difference in the distribution of predatory and mixophytophages ground beetles in wheat crops (U test, P < 0.05) can be justified by the constant suppression of the weed component and the use of insecticides that lead to the dominance of the predators. Fauna of wheat crops was more diverse than that in corn (Margalef index, U test, P < 0.05). No significant differences in biological diversity indexes, except for the Simpson dominance index (U test, P < 0.05, wheat), were found in ground beetle communities in crops at different levels of intensification. A certain differentiation of predatory species was caused by the selective occurrence of the litter-soil species, especially abundant in the row-crop. The specificity of the ground beetle community of corn crops may have been caused by repeated inter-row tillage, which influenced the increase in porosity and topsoil relief and contributed to the creation of favorable microclimatic conditions. In general, the applied level of agrotechnological intensification had no significant effect on the species composition and ecological structure of beetle communities in agrolandscapes. The use of bioindicators made it possible to assess the environmental sustainability of the agricultural environment and also creates the prerequisites for the development of ecologically directed correction of agrotechnological operations in agroecosystem management.
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Affiliation(s)
- K Yu Maksimovich
- Siberian Federal Scientific Centre of Agro-BioTechnologies of the Russian Academy of Sciences, P.O. Box 267, Krasnoobsk, 630501, Russia; Federal State Budgetary Educational Institution of Higher Education Novosibirsk State Agrarian University, 160, Dobrolyubov Str., Novosibirsk, 630039, Russia.
| | - R Yu Dudko
- Institute of Systematics and Ecology of Animals of the Siberian Branch of the Russian Academy of Sciences, 11, Frunze Str., Novosibirsk, 630091, Russia
| | - E I Shatalova
- Siberian Federal Scientific Centre of Agro-BioTechnologies of the Russian Academy of Sciences, P.O. Box 267, Krasnoobsk, 630501, Russia; Federal State Budgetary Educational Institution of Higher Education Novosibirsk State Agrarian University, 160, Dobrolyubov Str., Novosibirsk, 630039, Russia
| | - A K Tsakalof
- Department of Forensic Sciences and Toxicology, School of Medicine, University of Crete, 71003, Heraklion, Greece
| | - A M Tsatsakis
- Department of Forensic Sciences and Toxicology, School of Medicine, University of Crete, 71003, Heraklion, Greece.
| | - K S Golokhvast
- Siberian Federal Scientific Centre of Agro-BioTechnologies of the Russian Academy of Sciences, P.O. Box 267, Krasnoobsk, 630501, Russia
| | - E A Novikov
- Institute of Systematics and Ecology of Animals of the Siberian Branch of the Russian Academy of Sciences, 11, Frunze Str., Novosibirsk, 630091, Russia; Federal State Budgetary Educational Institution of Higher Education Novosibirsk State Agrarian University, 160, Dobrolyubov Str., Novosibirsk, 630039, Russia
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Walaszczyk A, Jasińska A, Bernat P, Płaza G, Paraszkiewicz K. Microplastics influence on herbicides removal and biosurfactants production by a Bacillus sp. strain active against Fusarium culmorum. Sci Rep 2023; 13:14618. [PMID: 37670040 PMCID: PMC10480202 DOI: 10.1038/s41598-023-41210-5] [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: 03/31/2023] [Accepted: 08/23/2023] [Indexed: 09/07/2023] Open
Abstract
The amounts of anthropogenic pollutants, e.g., microplastics (MPs) and pesticides, in terrestrial and aquatic ecosystems have been increasing. The aim of this study was to assess the influence of MPs on the removal of herbicides (metolachlor, MET; 2,4-dichlorophenoxyacetic acid, 2,4-D) and the production of biosurfactants (surfactin and iturin) by Bacillus sp. Kol L6 active against Fusarium culmorum. The results showed that Kol L6 eliminated 40-55% MET and 2,4-D from liquid cultures, but this process was inhibited in the presence of MPs. Although the pollutants did not strongly limit the production of surfactin, iturin secretion was found to decrease by more than 70% in the presence of all three pollutants. Interestingly, the strongest modification in the profile of iturin homologues was calculated for the cultures containing MET + MP and 2,4-D + MET + MP. The bacteria significantly limited the growth of the phytopathogenic F. culmorum DSM1094F in the presence of individual pollutants and their two-component mixtures. However, in the presence of all three tested pollutants, the growth of the fungus was limited only partially (by no more than 40%). The presented results are a starting point for further research on bacteria-fungi-plants interactions in the soil environment in the presence of multiple pollutants.
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Affiliation(s)
- Aleksandra Walaszczyk
- Doctoral School of Exact and Natural Sciences, Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Anna Jasińska
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Przemysław Bernat
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland
| | - Grażyna Płaza
- Faculty of Organization and Management, Silesian University of Technology, Zabrze, Poland
| | - Katarzyna Paraszkiewicz
- Department of Industrial Microbiology and Biotechnology, Faculty of Biology and Environmental Protection, University of Lodz, Lodz, Poland.
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Kumar V, Sharma N, Sharma P, Pasrija R, Kaur K, Umesh M, Thazeem B. Toxicity analysis of endocrine disrupting pesticides on non-target organisms: A critical analysis on toxicity mechanisms. Toxicol Appl Pharmacol 2023; 474:116623. [PMID: 37414290 DOI: 10.1016/j.taap.2023.116623] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Revised: 06/19/2023] [Accepted: 07/03/2023] [Indexed: 07/08/2023]
Abstract
Endocrine disrupting compounds are the chemicals which mimics the natural endocrine hormones and bind to the receptors made for the hormones. Upon binding they activate the cascade of reaction which leads to permanent activating of the signalling cycle and ultimately leads to uncontrolled growth. Pesticides are one of the endocrine disrupting chemicals which cause cancer, congenital birth defects, and reproductive defects in non-target organisms. Non-target organisms are keen on exposing to these pesticides. Although several studies have reported about the pesticide toxicity. But a critical analysis of pesticide toxicity and its role as endocrine disruptor is lacking. Therefore, the presented review literature is an endeavour to understand the role of the pesticides as endocrine disruptors. In addition, it discusses about the endocrine disruption, neurological disruption, genotoxicity, and ROS induced pesticide toxicity. Moreover, biochemical mechanisms of pesticide toxicity on non-target organisms have been presented. An insight on the chlorpyrifos toxicity on non-target organisms along with species names have been presented.
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Affiliation(s)
- Vinay Kumar
- Bioconversion and Tissue Engineering Laboratory, Department of Community Medicine, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, Thandalam-602105, India.
| | - Neha Sharma
- Metagenomics and Bioprocess Design Laboratory, School of Biotechnology, Jawaharlal Nehru University, New Delhi, India
| | - Preeti Sharma
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana 124001, India
| | - Ritu Pasrija
- Department of Biochemistry, Maharshi Dayanand University, Rohtak, Haryana 124001, India
| | - Komalpreet Kaur
- Punjab Agricultural University, Institute of Agriculture, Gurdaspur 143521, India
| | - Mridul Umesh
- Department of Life Sciences, CHRIST (Deemed to be University), Bangalore 560029, Karnataka, India
| | - Basheer Thazeem
- Waste Management Division, Integrated Rural Technology Centre (IRTC), Palakkad 678592, Kerala, India
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Yáñez O, Alegría-Arcos M, Suardiaz R, Morales-Quintana L, Castro RI, Palma-Olate J, Galarza C, Catagua-González Á, Rojas-Pérez V, Urra G, Hernández-Rodríguez EW, Bustos D. Calcium-Alginate-Chitosan Nanoparticle as a Potential Solution for Pesticide Removal, a Computational Approach. Polymers (Basel) 2023; 15:3020. [PMID: 37514411 PMCID: PMC10383139 DOI: 10.3390/polym15143020] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
Pesticides have a significant negative impact on the environment, non-target organisms, and human health. To address these issues, sustainable pest management practices and government regulations are necessary. However, biotechnology can provide additional solutions, such as the use of polyelectrolyte complexes to encapsulate and remove pesticides from water sources. We introduce a computational methodology to evaluate the capture capabilities of Calcium-Alginate-Chitosan (CAC) nanoparticles for a broad range of pesticides. By employing ensemble-docking and molecular dynamics simulations, we investigate the intermolecular interactions and absorption/adsorption characteristics between the CAC nanoparticles and selected pesticides. Our findings reveal that charged pesticide molecules exhibit more than double capture rates compared to neutral counterparts, owing to their stronger affinity for the CAC nanoparticles. Non-covalent interactions, such as van der Waals forces, π-π stacking, and hydrogen bonds, are identified as key factors which stabilized the capture and physisorption of pesticides. Density profile analysis confirms the localization of pesticides adsorbed onto the surface or absorbed into the polymer matrix, depending on their chemical nature. The mobility and diffusion behavior of captured compounds within the nanoparticle matrix is assessed using mean square displacement and diffusion coefficients. Compounds with high capture levels exhibit limited mobility, indicative of effective absorption and adsorption. Intermolecular interaction analysis highlights the significance of hydrogen bonds and electrostatic interactions in the pesticide-polymer association. Notably, two promising candidates, an antibiotic derived from tetracycline and a rodenticide, demonstrate a strong affinity for CAC nanoparticles. This computational methodology offers a reliable and efficient screening approach for identifying effective pesticide capture agents, contributing to the development of eco-friendly strategies for pesticide removal.
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Affiliation(s)
- Osvaldo Yáñez
- Núcleo de Investigación en Data Science, Facultad de Ingeniería y Negocios, Universidad de las Américas, Santiago 7500000, Chile
| | - Melissa Alegría-Arcos
- Núcleo de Investigación en Data Science, Facultad de Ingeniería y Negocios, Universidad de las Américas, Santiago 7500000, Chile
| | - Reynier Suardiaz
- Departamento de Química Física, Facultad de Ciencias Químicas, Universidad Complutense de Madrid, 28040 Madrid, Spain
| | - Luis Morales-Quintana
- Multidisciplinary Agroindustry Research Laboratory, Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, Talca 3400000, Chile
| | - Ricardo I Castro
- Multidisciplinary Agroindustry Research Laboratory, Carrera de Ingeniería en Construcción, Instituto de Ciencias Químicas Aplicadas, Universidad Autónoma de Chile, Talca 3400000, Chile
| | | | - Christian Galarza
- Escuela Superior Politécnica del Litoral, Guayaquil EC090903, Ecuador
| | | | - Víctor Rojas-Pérez
- Doctorado en Biotecnología Traslacional, Facultad de Ciencias Agrarias y Forestales, Universidad Católica del Maule, Talca 3480094, Chile
| | - Gabriela Urra
- Laboratorio de Bioinformática y Química Computacional, Departamento de Medicina Traslacional, Facultad de Medicina, Universidad Católica del Maule, Talca 3480094, Chile
| | - Erix W Hernández-Rodríguez
- Laboratorio de Bioinformática y Química Computacional, Departamento de Medicina Traslacional, Facultad de Medicina, Universidad Católica del Maule, Talca 3480094, Chile
- Unidad de Bioinformática Clínica, Centro Oncológico, Facultad de Medicina, Universidad Católica del Maule, Talca 3480094, Chile
| | - Daniel Bustos
- Laboratorio de Bioinformática y Química Computacional, Departamento de Medicina Traslacional, Facultad de Medicina, Universidad Católica del Maule, Talca 3480094, Chile
- Centro de Investigación de Estudios Avanzados del Maule (CIEAM), Vicerrectoría de Investigación y Postgrado Universidad Católica del Maule, Talca 3460000, Chile
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35
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Naccarato A, Vommaro ML, Amico D, Sprovieri F, Pirrone N, Tagarelli A, Giglio A. Triazine Herbicide and NPK Fertilizer Exposure: Accumulation of Heavy Metals and Rare Earth Elements, Effects on Cuticle Melanization, and Immunocompetence in the Model Species Tenebrio molitor. TOXICS 2023; 11:499. [PMID: 37368599 DOI: 10.3390/toxics11060499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 05/27/2023] [Accepted: 05/29/2023] [Indexed: 06/29/2023]
Abstract
The increasing use of agrochemicals, including fertilizers and herbicides, has led to worrying metal contamination of soils and waters and raises serious questions about the effects of their transfer to different levels of the trophic web. Accumulation and biomagnification of essential (K, Na, Mg, Zn, Ca), nonessential (Sr, Hg, Rb, Ba, Se, Cd, Cr, Pb, As), and rare earth elements (REEs) were investigated in newly emerged adults of Tenebrio molitor exposed to field-admitted concentrations of a metribuzin-based herbicide and an NPK blend fertilizer. Chemical analyses were performed using inductively coupled plasma tandem mass spectrometry (ICP-MS/MS) supported by unsupervised pattern recognition techniques. Physiological parameters such as cuticle melanization, cellular (circulating hemocytes), and humoral (phenoloxidase enzyme activity) immune responses and mass loss were tested as exposure markers in both sexes. The results showed that NPK fertilizer application is the main cause of REE accumulation in beetles over time, besides toxic elements (Sr, Hg, Cr, Rb, Ba, Ni, Al, V, U) also present in the herbicide-treated beetles. The biomagnification of Cu and Zn suggested a high potential for food web transfer in agroecosystems. Gender differences in element concentrations suggested that males and females differ in element uptake and excretion. Differences in phenotypic traits show that exposure affects metabolic pathways involving sequestration and detoxification during the transition phase from immature-to-mature beetles, triggering a redistribution of resources between sexual maturation and immune responses. Our findings highlight the importance of setting limits for metals and REEs in herbicides and fertilizers to avoid adverse effects on species that provide ecosystem services and contribute to soil health in agroecosystems.
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Affiliation(s)
- Attilio Naccarato
- Department of Chemistry and Chemical Technologies, University of Calabria,87036 Rende, Italy
| | - Maria Luigia Vommaro
- Department of Biology, Ecology and Earth Science, University of Calabria, 87036 Rende, Italy
| | - Domenico Amico
- CNR-Institute of Atmospheric Pollution Research, 87036 Rende, Italy
| | | | - Nicola Pirrone
- CNR-Institute of Atmospheric Pollution Research, 87036 Rende, Italy
| | - Antonio Tagarelli
- Department of Chemistry and Chemical Technologies, University of Calabria,87036 Rende, Italy
| | - Anita Giglio
- Department of Biology, Ecology and Earth Science, University of Calabria, 87036 Rende, Italy
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36
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Okagu IU, Okeke ES, Ezeorba WCF, Ndefo JC, Ezeorba TPC. Overhauling the ecotoxicological impact of synthetic pesticides using plants' natural products: a focus on Zanthoxylum metabolites. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:67997-68021. [PMID: 37148518 DOI: 10.1007/s11356-023-27258-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Accepted: 04/23/2023] [Indexed: 05/08/2023]
Abstract
The reduction in agricultural production due to the negative impact of insects and weeds, as well as the health and economic burden associated with vector-borne diseases, has promoted the wide use of chemicals that control these "enemies." However, the use of these synthetic chemicals has been recognized to elicit negative impacts on the environment as well as the health and wellbeing of man. In this study, we presented an overview of recent updates on the environmental and health impacts of synthetic pesticides against agro-pest and disease vectors while exhaustive reviewing the potentials of natural plant products from Zanthoxylum species (Rutaceae) as sustainable alternatives. This study is expected to spur further research on exploiting these plants and their chemicals as safe and effective pesticide entities to minimize the impact of their chemical and synthetic counterparts on health and the environment.
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Affiliation(s)
- Innocent Uzochukwu Okagu
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
| | - Emmanuel Sunday Okeke
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
- Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
- Institute of Environmental Health and Ecological Security, School of Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, Jiangsu, China
| | | | - Joseph Chinedum Ndefo
- Department of Science Laboratory Technology, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria
| | - Timothy Prince Chidike Ezeorba
- Department of Biochemistry, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria.
- Department of Genetics and Biotechnology, Faculty of Biological Sciences, University of Nigeria, Nsukka, Enugu State, 410001, Nigeria.
- Department of Molecular Biotechnology, School of Biosciences, University of Birmingham Edgbaston, Birmingham, B15 2TT, United Kingdom.
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37
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Akbari O, Li M, Kandul N, Sun R, Yang T, Dalla Benetta E, Brogan D, Antoshechkin I, Sánchez C H, Zhan YP, DeBeaubien N, Loh Y, Su M, Montell C, Marshall J. Targeting Sex Determination to Suppress Mosquito Populations. RESEARCH SQUARE 2023:rs.3.rs-2834069. [PMID: 37162925 PMCID: PMC10168471 DOI: 10.21203/rs.3.rs-2834069/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Each year, hundreds of millions of people are infected with arboviruses such as dengue, yellow fever, chikungunya, and Zika, which are all primarily spread by the notorious mosquito Aedes aegypti. Traditional control measures have proven insuficient, necessitating innovations. In response, here we generate a next generation CRISPR-based precision-guided sterile insect technique (pgSIT) for Aedes aegypti that disrupts genes essential for sex determination and fertility, producing predominantly sterile males that can be deployed at any life stage. Using mathematical models and empirical testing, we demonstrate that released pgSIT males can effectively compete with, suppress, and eliminate caged mosquito populations. This versatile species-specific platform has the potential for field deployment to control wild populations, safely curtailing disease transmission.
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Affiliation(s)
- Omar Akbari
- School of Biological Sciences, Department of Cell and Developmental Biology, University of California
| | - Ming Li
- University of California, San Diego
| | | | | | | | | | | | | | - Héctor Sánchez C
- Divisions of Epidemiology and Biostatistics, School of Public Health, University of California, Berkeley
| | - Yin Peng Zhan
- Institute of Biophysics, Chinese Academy of Sciences
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38
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Priyadarshana TS, Lee MB, Slade EM, Goodale E. Local scale crop compositional heterogeneity suppresses the abundance of a major lepidopteran pest of cruciferous vegetables. Basic Appl Ecol 2023. [DOI: 10.1016/j.baae.2023.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023]
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39
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Stuart AM, Merfield CN, Horgan FG, Willis S, Watts MA, Ramírez-Muñoz F, U JS, Utyasheva L, Eddleston M, Davis ML, Neumeister L, Sanou MR, Williamson S. Agriculture without paraquat is feasible without loss of productivity-lessons learned from phasing out a highly hazardous herbicide. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:16984-17008. [PMID: 36622585 PMCID: PMC9928820 DOI: 10.1007/s11356-022-24951-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Accepted: 12/20/2022] [Indexed: 06/17/2023]
Abstract
A small proportion of the thousands of pesticides on the market today are associated with a disproportionately high incidence of severe acute pesticide poisoning and suicide. Paraquat stands out as one of the most lethal pesticides in common use, frequently involved in fatal incidents due to suicides or accidental exposure. Even though paraquat has been banned in over 67 countries, it is still widely used in many others, particularly in Asia and Latin America. Based on a literature review and consultations, this paper identifies options for replacing paraquat and distils practical lessons from numerous successes around the world. Our aim is to support regulators, policymakers, agronomists and the supply chain sector with practical information related to phasing out paraquat. Production data consistently failed to show any negative effects of banning paraquat on agricultural productivity. A wide range of alternative approaches to weed management and crop defoliation are available, many of which do not rely on herbicides. Over 1.25 million farmers in low- and middle-income countries (LMICs) successfully produce a range of crops for private voluntary standards (PVS) in food and fiber supply chains which prohibit paraquat use. We conclude from the findings of this study that eliminating paraquat will save lives without reducing agricultural productivity. Less hazardous and more sustainable alternatives exist. To enhance successful adoption and uptake of these methods on a wide scale, farmers require training and support within an enabling policy environment.
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Affiliation(s)
| | | | - Finbarr G Horgan
- Centre for Pesticide Suicide Prevention, University of Edinburgh, Edinburgh, UK
- Facultat de Ciencias Agrarias Y Forestales, Escuela de Agronomía, Universidad Católica del Maule, Casilla 7-D, 3349001, Curico, Chile
- EcoLaVerna Integral Restoration Ecology, Bridestown, Kildinan, T56 P 499, Cork, Ireland
| | - Sheila Willis
- Pesticide Action Network UK, Brighthelm Centre, Brighton, UK
| | | | - Fernando Ramírez-Muñoz
- Central American Institute for Studies On Toxic Substances (IRET), Universidad Nacional, Heredia, Costa Rica
| | | | - Leah Utyasheva
- Centre for Pesticide Suicide Prevention, University of Edinburgh, Edinburgh, UK
| | - Michael Eddleston
- Centre for Pesticide Suicide Prevention, University of Edinburgh, Edinburgh, UK
| | - Mark L Davis
- Centre for Pesticide Suicide Prevention, University of Edinburgh, Edinburgh, UK
| | | | - Manoé R Sanou
- Department of Plant Protection and Packaging, Ministry of Agriculture, Ouagadougou, Burkina Faso
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Ashraf H, Qamar A, Maheshwari N. Attenuation of hexaconazole induced oxidative stress by folic acid, malic acid and ferrocenecarboxaldehyde in an invertebrate model Bombyx mori. Heliyon 2022; 8:e12577. [PMID: 36636222 PMCID: PMC9830160 DOI: 10.1016/j.heliyon.2022.e12577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/19/2022] [Accepted: 12/15/2022] [Indexed: 12/28/2022] Open
Abstract
Fungicides are a class of pesticides used to ward off fungal diseases from agricultural crops to achieve maximum productivity. These chemicals are quite efficient in controlling diseases; however, the excessive use of these affects non-target organisms as well. In this study, Bombyx mori was utilized to investigate the effect of the pesticide hexaconazole (HEX) on the antioxidant system of this organism and also to find ways to mitigate it. On oral exposure to this chemical, a significant reduction in antioxidants, CAT, GPX, GSH, and SOD in the gut, fat body, and silk gland was observed. The HEX treatment also resulted in lipid peroxidation (LPO) in all the three tissues. To mitigate this toxicity and protect the silkworm from oxidative stress, we tested three compounds, namely folic acid, ferrocenecarboxaldehyde, and malic acid having known antioxidant potential. Folic acid provided significant protection against HEX-induced toxicity. Ferrocenecarboxaldehyde and malic acid proved to be ill-efficient in controlling oxidative stress, with ferrocenecarboxaldehyde being the least effective of the three. Folic acid was also efficient in controlling LPO up to a considerable level. Ferrocenecarboxaldehyde and malic acid also prevented LPO less efficiently than folic acid. Overall folic acid was the only compound that mitigated HEX-induced oxidative stress in silkworm with statistical significance in all the tissues viz. gut, fat body, and silk gland.
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Affiliation(s)
- Hashim Ashraf
- Section of Entomology, Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Ayesha Qamar
- Section of Entomology, Department of Zoology, Aligarh Muslim University, Aligarh 202002, India,Corresponding author.
| | - Nikhil Maheshwari
- Department of Biochemistry, Aligarh Muslim University, Aligarh 202002, India
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Nkontcheu Kenko DB, Ngameni NT, Kamta PN. Environmental assessment of the influence of pesticides on non-target arthropods using PRIMET, a pesticide hazard model, in the Tiko municipality, Southwest Cameroon. CHEMOSPHERE 2022; 308:136578. [PMID: 36162518 DOI: 10.1016/j.chemosphere.2022.136578] [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: 07/02/2022] [Revised: 09/04/2022] [Accepted: 09/20/2022] [Indexed: 06/16/2023]
Abstract
Pesticide use in farming is unescapable to enhance the harvest and prevent deleterious organisms. Unfortunately, certain pesticide users most often unveil poor practices, remarkably in developing countries. This study aimed at estimating pesticide risk to non-target arthropods (NTAs) using PRIMET (Pesticide Risks in the Tropics to Man, Environment and Trade), a pesticide risk model, in the Tiko municipality, Southwest Cameroon. To achieve this, data was assembled on the pesticide treatment plan (active ingredient, crops, dosage, number of applications, application interval) and ecotoxicological properties (LR50), and typeset one at the time in PRIMET 2.0 for risk appraisal. The model estimated the Acceptable Effect Concentration (AECNTA), the In-Field and Off-Field Exposure (PEC) and Exposure Toxicity Ratio (ETR = PEC/AECNTA). If ETR < 1, there is "No Risk", if 1 ≤ ETR≤ 100, there is a "Possible Risk", and if ETR > 100, there is a "Definite Risk". Amongst the thirty-nine (39) pesticides evaluated, the most dangerous compound was imidacloprid (ETRIF = 255 000 000), followed by cypermethrin (ETRIF = 299 800) and oxamyl (ETRIF = 57 917). Epoxiconazole was the only fungicide, out of fourteen predicted to pose a definite in-field risk to NTAs with ETRIF = 1491. Half of the fungicides (50%) posed a possible in-field risk. One third of herbicides evaluated posed a possible in-field risk to NTAs. In this classification, paraquat (ETRIF = 51) exhibited the highest risk. All the herbicides were predicted for no off-field risk to NTAs. NTAs seemed to be more tolerant to most fungicides and herbicides than insecticides. The strengthening of the directive on pesticide purchasing and operation is inevitability in order to protect anthropoid and environmental health.
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Affiliation(s)
| | | | - Parfait Nkontcheu Kamta
- Department of Forestry, Faculty of Agronomy and Agricultural Sciences, University of Dschang, Cameroon
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Couthouis E, Aviron S, Pétillon J, Alignier A. Ecological performance underlying ecosystem multifunctionality is promoted by organic farming and hedgerows at the local scale but not at the landscape scale. J Appl Ecol 2022. [DOI: 10.1111/1365-2664.14285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Affiliation(s)
- Eloïse Couthouis
- UMR BAGAP, INRAE – L'Institut Agro Rennes‐Angers – ESA Angers Rennes France
- UMR ECOBIO, CNRS – Université de Rennes 1 Rennes France
| | - Stéphanie Aviron
- UMR BAGAP, INRAE – L'Institut Agro Rennes‐Angers – ESA Angers Rennes France
| | - Julien Pétillon
- UMR ECOBIO, CNRS – Université de Rennes 1 Rennes France
- Institute for Coastal and Marine Research Nelson Mandela University Port Elizabeth South Africa
| | - Audrey Alignier
- UMR BAGAP, INRAE – L'Institut Agro Rennes‐Angers – ESA Angers Rennes France
- LTSER Zone Atelier Armorique Rennes France
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Aguilar-Toalá JE, Cruz-Monterrosa RG, Liceaga AM. Beyond Human Nutrition of Edible Insects: Health Benefits and Safety Aspects. INSECTS 2022; 13:insects13111007. [PMID: 36354831 PMCID: PMC9692588 DOI: 10.3390/insects13111007] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 10/26/2022] [Accepted: 10/27/2022] [Indexed: 05/30/2023]
Abstract
Nowadays, edible insects are considered an outstanding source of nutrients, primarily because they contain high-quality protein, amino acids, and vitamins. Insects are considered a promising alternative protein source towards alleviating future global food shortage problems due to their production considered as being more sustainable by using less agricultural land and water, as well as releasing a smaller amount of greenhouse gas emissions. However, other important aspects to consider about the consumption of edible insects include their health benefits and some safety aspects, which has been relatively overlooked. In this sense, edible insects contain bioactive compounds that can provide diverse bioactivities, such as antioxidant, antihypertensive, anti-inflammatory, antimicrobial, and immunomodulatory with a positive impact on human health. On the other hand, edible insects are a nutrient-rich food that can provide a perfect growth medium for diverse microorganisms, as well as possess some anti-nutritive factors. These two main aspects could represent food safety concerns for consumers. In this context, recent scientific evidence indicates that preservation methods, mainly thermal treatments, utilized in the cooking or processing of edible insects decreased the microbial levels and anti-nutritive factors, which suggests that edible insects do not represent a critical biological risk to humans. Besides, edible insects could have a positive effect on gut microbiota, either by their pre-biotic effect or their antimicrobial activity towards pathogens. Thus, this review is focused on studies related to the health benefits of edible insects and their isolated components, as well as discussion about potential issues related to their microbial content and anti-nutritive factors; this review will provide a synopsis on whether edible insects may be considered safe for human consumption.
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Affiliation(s)
- José E. Aguilar-Toalá
- Departamento de Ciencias de la Alimentación, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma, Av. de las Garzas 10, Col. El Panteón, Lerma de Villada 52005, Estado de México, Mexico
| | - Rosy G. Cruz-Monterrosa
- Departamento de Ciencias de la Alimentación, División de Ciencias Biológicas y de la Salud, Universidad Autónoma Metropolitana, Unidad Lerma, Av. de las Garzas 10, Col. El Panteón, Lerma de Villada 52005, Estado de México, Mexico
| | - Andrea M. Liceaga
- Protein Chemistry and Bioactive Peptides Laboratory, Department of Food Science, Purdue University, 745 Agriculture Mall Dr., West Lafayette, IN 47907, USA
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Garcia-Vozmediano A, De Meneghi D, Sprong H, Portillo A, Oteo JA, Tomassone L. A One Health Evaluation of the Surveillance Systems on Tick-Borne Diseases in the Netherlands, Spain and Italy. Vet Sci 2022; 9:vetsci9090504. [PMID: 36136720 PMCID: PMC9501221 DOI: 10.3390/vetsci9090504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/06/2022] [Accepted: 09/13/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Ixodid ticks and tick-borne diseases are expanding their geographical range, but surveillance activities vary among countries. We analysed the surveillance systems in place in the Netherlands, Spain and Italy, to identify ideal elements to monitor tick-borne diseases, by using a One Health evaluation protocol. We identified differences among the three surveillance systems, with the Dutch initiative showing a high level of transdisciplinary collaboration, good identification of the actors and engagement of the public in research and education. Measurable outcomes have been generated, such as the reduction in tick bites and the discovery of new pathogens and tick species. In Italy and Spain, surveillance systems are based on compulsory notification to health authorities; legislation seems relevant but law enforcement alongside the availability of economic resources is rather fragmented and limited to the most severe diseases. The non-scientific community is marginally considered and collaborations are limited to local initiatives. Research activities in both countries have mostly contributed to gaining knowledge on the distribution of tick species and the discovery of new pathogens. Although all TBD surveillance plans comply with the EU regulations, the initiatives characterised by trans-disciplinary collaboration may be more effective for the surveillance and prevention of tick-transmitted diseases. Abstract To identify ideal elements for the monitoring and prevention of tick-borne diseases (TBD), we analysed the surveillance systems in place in the Netherlands, Spain and Italy. We applied a semi-quantitative evaluation to identify outcomes and assess the degree of One Health implementation. Differences emerged in the surveillance initiatives, as well as the One Health scores. The Dutch surveillance is dominated by a high level of transdisciplinary and trans-sectoral collaboration, enabling communication and data sharing among actors. Different project-based monitoring, research and educational activities are centrally coordinated and the non-scientific community is actively involved. All this yielded measurable health outcomes. In Italy and Spain, TBD surveillance and reporting systems are based on compulsory notification. Law enforcement, alongside dedicated time and availability of economic resources, is fragmented and limited to the most severe health issues. Veterinary and human medicine are the most involved disciplines, with the first prevailing in some contexts. Stakeholders are marginally considered and collaborations limited to local initiatives. Research activities have mostly contributed to gaining knowledge on the distribution of tick vectors and discovery of new pathogens. Although all TBD surveillance plans comply with EU regulations, initiatives characterised by transdisciplinary collaboration may be more effective for the surveillance and prevention of TBD.
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Affiliation(s)
- Aitor Garcia-Vozmediano
- Department of Veterinary Sciences, University of Turin, L. go Braccini, 2, 10095 Grugliasco, TO, Italy
- Correspondence:
| | - Daniele De Meneghi
- Department of Veterinary Sciences, University of Turin, L. go Braccini, 2, 10095 Grugliasco, TO, Italy
- Network for EcoHealth and One Health (NEOH), European Chapter of Ecohealth International, Kreuzstrasse 2, P.O. Box, 4123 Allschwil, Switzerland
| | - Hein Sprong
- Centre for Infectious Disease Control, National Institute for Public Health and the Environment (RIVM), Antonie van Leeuwenhoeklaan 9, 3720 MA Bilthoven, The Netherlands
| | - Aránzazu Portillo
- Center of Rickettsiosis and Arthropod-Borne Diseases (CRETAV), Department of Infectious Diseases, San Pedro University Hospital-Center for Biomedical Research of La Rioja (CIBIR), Calle Piqueras 98, 26006 Logroño, La Rioja, Spain
| | - José A. Oteo
- Center of Rickettsiosis and Arthropod-Borne Diseases (CRETAV), Department of Infectious Diseases, San Pedro University Hospital-Center for Biomedical Research of La Rioja (CIBIR), Calle Piqueras 98, 26006 Logroño, La Rioja, Spain
| | - Laura Tomassone
- Department of Veterinary Sciences, University of Turin, L. go Braccini, 2, 10095 Grugliasco, TO, Italy
- Network for EcoHealth and One Health (NEOH), European Chapter of Ecohealth International, Kreuzstrasse 2, P.O. Box, 4123 Allschwil, Switzerland
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van der Meer TV, Verdonschot PFM, Dokter L, Absalah S, Kraak MHS. Organic matter degradation and redistribution of sediment associated contaminants by benthic invertebrate activities. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 306:119455. [PMID: 35569623 DOI: 10.1016/j.envpol.2022.119455] [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: 12/09/2021] [Revised: 03/26/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
The fate of sediment associated compounds is the combined result of chemical properties and biological activities. Yet, studies simultaneously addressing the effects of biota on the redistribution and bioaccumulation of contaminants are scarce. Our aim was therefore to assess the effect of benthic invertebrate activities on organic matter degradation and the redistribution of metals and Polycyclic Aromatic Hydrocarbons (PAHs) in contaminated sediment. To this end, we introduced egg ropes of the non-biting midge Chironomus riparius into wastewater treatment plant sludge and allowed these to either develop until fourth instar larvae or to fully complete their life cycle into terrestrial flying adults. Chironomid larvae enhanced sludge degradation, resulting in increased metal concentrations in the sludge and in a flux of metals into the overlying water. Moreover, they hampered PAH degradation in the sludge. Contaminant transport from aquatic to terrestrial ecosystems with emerging invertebrates as a vector is widely acknowledged, but here we showed that biomanipulation prevailed over bioaccumulation, since due to chironomid activity, the flux of metals from the sludge into the overlying water was larger than into chironomid biomass. It is therefore concluded that contaminant-macroinvertebrate interactions are bilateral relationships driven by the interplay between macroinvertebrate traits and contaminant properties.
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Affiliation(s)
- Tom V van der Meer
- Wageningen Environmental Research, Wageningen UR, P.O. Box 47, 6700, AA, Wageningen, the Netherlands; Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 94240, 1090, GE, Amsterdam, the Netherlands.
| | - Piet F M Verdonschot
- Wageningen Environmental Research, Wageningen UR, P.O. Box 47, 6700, AA, Wageningen, the Netherlands; Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 94240, 1090, GE, Amsterdam, the Netherlands
| | - Lina Dokter
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 94240, 1090, GE, Amsterdam, the Netherlands
| | - Samira Absalah
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 94240, 1090, GE, Amsterdam, the Netherlands
| | - Michiel H S Kraak
- Institute for Biodiversity and Ecosystem Dynamics, University of Amsterdam, P.O. Box 94240, 1090, GE, Amsterdam, the Netherlands
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Engelhardt EK, Biber MF, Dolek M, Fartmann T, Hochkirch A, Leidinger J, Löffler F, Pinkert S, Poniatowski D, Voith J, Winterholler M, Zeuss D, Bowler DE, Hof C. Consistent signals of a warming climate in occupancy changes of three insect taxa over 40 years in central Europe. GLOBAL CHANGE BIOLOGY 2022; 28:3998-4012. [PMID: 35535680 DOI: 10.1111/gcb.16200] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2021] [Revised: 03/22/2022] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Recent climate and land-use changes are having substantial impacts on biodiversity, including population declines, range shifts, and changes in community composition. However, few studies have compared these impacts among multiple taxa, particularly because of a lack of standardized time series data over long periods. Existing data sets are typically of low resolution or poor coverage, both spatially and temporally, thereby limiting the inferences that can be drawn from such studies. Here, we compare climate and land-use driven occupancy changes in butterflies, grasshoppers, and dragonflies using an extensive data set of highly heterogeneous observation data collected in the central European region of Bavaria (Germany) over a 40-year period. Using occupancy models, we find occupancies (the proportion of sites occupied by a species in each year) of 37% of species have decreased, 30% have increased and 33% showed no significant trend. Butterflies and grasshoppers show strongest declines with 41% of species each. By contrast, 52% of dragonfly species increased. Temperature preference and habitat specificity appear as significant drivers of species trends. We show that cold-adapted species across all taxa have declined, whereas warm-adapted species have increased. In butterflies, habitat specialists have decreased, while generalists increased or remained stable. The trends of habitat generalists and specialists both in grasshoppers and semi-aquatic dragonflies, however did not differ. Our findings indicate strong and consistent effects of climate warming across insect taxa. The decrease of butterfly specialists could hint towards a threat from land-use change, as especially butterfly specialists' occurrence depends mostly on habitat quality and area. Our study not only illustrates how these taxa showed differing trends in the past but also provides hints on how we might mitigate the detrimental effects of human development on their diversity in the future.
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Affiliation(s)
- Eva Katharina Engelhardt
- Terrestrial Ecology Research Group, Department for Life Science Systems, School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Matthias F Biber
- Terrestrial Ecology Research Group, Department for Life Science Systems, School of Life Sciences, Technical University of Munich, Freising, Germany
| | | | - Thomas Fartmann
- Department of Biodiversity and Landscape Ecology, Osnabrück University, Osnabrück, Germany
| | - Axel Hochkirch
- Department of Biogeography, Trier University, Trier, Germany
| | - Jan Leidinger
- Terrestrial Ecology Research Group, Department for Life Science Systems, School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Franz Löffler
- Department of Biodiversity and Landscape Ecology, Osnabrück University, Osnabrück, Germany
| | - Stefan Pinkert
- Department of Ecology and Evolution, Yale University, New Haven, Connecticut, USA
- Center for Biodiversity and Global Change, Yale University, New Haven, Connecticut, USA
- Department of Conservation Ecology, Philipps Universität Marburg, Marburg, Germany
| | - Dominik Poniatowski
- Department of Biodiversity and Landscape Ecology, Osnabrück University, Osnabrück, Germany
| | - Johannes Voith
- Bayerisches Landesamt für Umwelt/Bavarian Environment Agency, Augsburg, Germany
| | - Michael Winterholler
- Bavarian State Ministry of the Environment and Consumer Protection, München, Germany
| | - Dirk Zeuss
- Department of Environmental Informatics, Philipps Universität Marburg, Marburg, Germany
| | - Diana E Bowler
- German Centre for Integrative Biodiversity Research-iDiv-Halle-Jena-Leipzig, Leipzig, Germany
- Institute of Biodiversity, Friedrich Schiller University Jena, Jena, Germany
- Helmholtz-Centre for Environmental Research-UFZ, Leipzig, Germany
| | - Christian Hof
- Terrestrial Ecology Research Group, Department for Life Science Systems, School of Life Sciences, Technical University of Munich, Freising, Germany
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Rivera-Dávila OL, Sánchez-Martínez G, Rico-Martínez R. Toxicity tests, bioaccumulation and residuality of pyrethroid insecticides commonly used to control conifer bark beetles in Mexico. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:782-796. [PMID: 35445954 DOI: 10.1007/s10646-022-02546-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/30/2022] [Indexed: 06/14/2023]
Abstract
Effectiveness of pyrethroid insecticides against pests including bark beetles (Dendroctonus spp.) is well known, but little is known about their (a) residuality and persistence in forests after application to control an outbreak and (b) ability to bioaccumulate in insects, which could cause adverse effects on the trophic chains. The 24 h lethal toxicity, bioaccumulation factors, and lethal body burdens of the pyrethroid insecticides bifenthrin, deltamethrin, and cypermethrin were evaluated in the bark beetle Dendroctonus mexicanus. The residuality and persistence of the insecticide bifenthrin in the forest ecosystem (soil, water, and sediment) was also monitored after its application in a region infested by bark beetles. We determined whether contamination of soil, water, and sediments occurred near the sanitation site. For D. mexicanus, the most toxic insecticide for adults was bifenthrin for topical application (LC50 = 0.94 mg/L) and cypermethrin for bark application (LC50 = 5.04 mg/L). The insecticide that bioaccumulated the most in the insect body was deltamethrin (622.41 μg g-1 dw) and the insecticide that bioaccumulated the least amount was cypermethrin (183.09 μg g-1 dw). However, cypermethrin was the active substance that presented the lowest body burdens, and therefore required a lower dose to cause death of D. mexicanus adults. Our results demonstrate that prolonged presence of bifenthrin in the forest ecosystem could lead to bioaccumulation in soil, sediment, and insects.
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Affiliation(s)
- Olga Lidia Rivera-Dávila
- Departamento de Química. Avenida Universidad 940. Aguascalientes, Universidad Autónoma de Aguascalientes. Centro de Ciencias Básicas, Aguascalientes, C.P. 20131, Mexico
| | - Guillermo Sánchez-Martínez
- Centro de Investigación Regional Norte Centro, Campo Experimental Pabellón, INIFAP, Km. 32.5 Carretera Aguascalientes-Zacatecas, Pabellón de Arteaga, Ags. C.P. 20670, Mexico.
| | - Roberto Rico-Martínez
- Departamento de Química. Avenida Universidad 940. Aguascalientes, Universidad Autónoma de Aguascalientes. Centro de Ciencias Básicas, Aguascalientes, C.P. 20131, Mexico.
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Warne MSJ, Turner RDR, Davis AM, Smith R, Huang A. Temporal variation of imidacloprid concentration and risk in waterways discharging to the Great Barrier Reef and potential causes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 823:153556. [PMID: 35104522 DOI: 10.1016/j.scitotenv.2022.153556] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 01/22/2022] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
The widely used neonicotinoid insecticide imidacloprid has emerged as a significant risk to surface waters and the diverse aquatic and terrestrial fauna these ecosystems support. While herbicides have been the focus of research on pesticides in Australia's Great Barrier Reef catchment area, imidacloprid has been monitored in catchments across the region since 2009. This study assessed the spatial and temporal dynamics of imidacloprid in 14 waterways in Queensland, Australia over seven years in relation to land use and concentration trends. Imidacloprid could be quantified (i.e., concentrations were greater than the limit of reporting) in approximately 54% of all samples, but within individual waterways imidacloprid was quantified in 0 to 99.7% of samples. The percent of each catchment used to grow bananas, sugar cane and urban explained approximately 45% of the variation in imidacloprid concentrations and waterway discharge accounted for another 18%. In six waterways there were significant increases in imidacloprid concentrations and the frequency and magnitude of exceedances of aquatic ecosystem protection guidelines over time. Overall, the risk posed by imidacloprid was low with 74% of samples protecting at least 99% of species but it was estimated that upto 42% of aquatic species would experience harmful chronic effects. Potential explanations of the changes in imidacloprid were examined. Not surprisingly, the only plausible explanation of the increases was increased use of imidacloprid. While field-based measurement of the effects of imidacloprid are limited in the Great Barrier Reef Catchment Area (GBRCA) the risk assessment indicates that biological harm to aquatic organisms is highly likely. Action to reduce imidacloprid concentrations in the GBRCA waterways is urgently required to reverse the current trends and mitigate environmental impacts.
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Affiliation(s)
- Michael St J Warne
- Reef Catchments Science Partnership, School of Earth and Environmental Sciences, University of Queensland, Brisbane, Queensland 4108, Australia; Water Quality and Investigations, Environmental Monitoring and Assessment Science, Science Delivery, Department of Environment and Science, Brisbane, Queensland 4102, Australia; Centre for Agroecology, Water and Resilience, Coventry University, Coventry, United Kingdom.
| | - Ryan D R Turner
- Reef Catchments Science Partnership, School of Earth and Environmental Sciences, University of Queensland, Brisbane, Queensland 4108, Australia; Water Quality and Investigations, Environmental Monitoring and Assessment Science, Science Delivery, Department of Environment and Science, Brisbane, Queensland 4102, Australia; Managing for Resilient Landscapes, Institute for Future Environments, Queensland University of Technology, Brisbane, Queensland 4000, Australia.
| | - Aaron M Davis
- Centre for Tropical Water and Aquatic Ecosystem Research (TropWATER), School of Marine and Tropical Biology, James Cook University, Townsville, Queensland 4811, Australia.
| | - Rachael Smith
- Office of the Great Barrier Reef, Department of Environment and Science, Brisbane, Queensland 4102, Australia.
| | - A Huang
- School of Mathematics and Physics, University of Queensland, Brisbane, Queensland 4108, Australia.
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Can Virus-like Particles Be Used as Synergistic Agent in Pest Management? Viruses 2022; 14:v14050943. [PMID: 35632685 PMCID: PMC9144638 DOI: 10.3390/v14050943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/14/2022] [Accepted: 04/19/2022] [Indexed: 02/05/2023] Open
Abstract
Among novel strategies proposed in pest management, synergistic agents are used to improve insecticide efficacy through an elevation of intracellular calcium concentration that activates the calcium-dependent intracellular pathway. This leads to a changed target site conformation and to increased sensitivity to insecticides while reducing their concentrations. Because virus-like particles (VLPs) increase the intracellular calcium concentration, they can be used as a synergistic agent to synergize the effect of insecticides. VLPs are self-assembled viral protein complexes, and by contrast to entomopathogen viruses, they are devoid of genetic material, which makes them non-infectious and safer than viruses. Although VLPs are well-known to be used in human health, we propose in this study the development of a promising strategy based on the use of VLPs as synergistic agents in pest management. This will lead to increased insecticides efficacy while reducing their concentrations.
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50
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Passos LC, Ricupero M, Gugliuzzo A, Soares MA, Desneux N, Carvalho GA, Zappalà L, Biondi A. Does the dose make the poison? Neurotoxic insecticides impair predator orientation and reproduction even at low concentrations. PEST MANAGEMENT SCIENCE 2022; 78:1698-1706. [PMID: 34994495 PMCID: PMC9306720 DOI: 10.1002/ps.6789] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 12/24/2021] [Accepted: 01/07/2022] [Indexed: 05/02/2023]
Abstract
BACKGROUND Pesticides can be noxious to non-target beneficial arthropods and their negative effects have been recently recognized even at low doses. The predator Nesidiocoris tenuis (Reuter) (Hemiptera: Miridae) plays an important role in controlling insect pests in solanaceous crops, but its concurrent herbivory often poses relevant concerns for tomato production. Although insecticide side effects on N. tenuis have been previously studied, little is known on the potential implications of neurotoxic chemicals at low concentrations. We assessed the baseline toxicity of three neurotoxic insecticides (lambda-cyhalothrin, spinosad and chlorpyrifos) on N. tenuis by topical contact exposure. The behavioral and reproduction capacity of the predator was then investigated upon exposure to three estimated low-lethal concentrations (LC1 , LC10 and LC30 ). RESULTS Predator survival varied among insecticides and concentrations, with LC30 /label rate ratios ranging from 8.45% to 65.40% for spinosad and lambda-cyhalothrin, respectively. All insecticides reduced the fertility of N. tenuis females at all estimated low-lethal concentrations. Chlorpyrifos seriously compromised predator orientation towards a host plant even at LC1 , while the same effect was observed for lambda-cyhalothrin and spinosad solely at LC30 . Lambda-cyhalothrin (at all concentrations) and chlorpyrifos (at LC10 and LC30 ) also affected the time taken by N. tenuis females to make a choice. CONCLUSION The results indicate that all three insecticides can be detrimental to N. tenuis and should be avoided when presence of the predator is desirable. © 2022 The Authors. Pest Management Science published by John Wiley & Sons Ltd on behalf of Society of Chemical Industry.
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Affiliation(s)
- Luis C Passos
- Laboratório de Ecotoxicologia e MIP, Departamento de EntomologiaUniversidade Federal de LavrasLavrasBrazil
- Department of Agriculture, Food and EnvironmentUniversity of CataniaCataniaItaly
| | - Michele Ricupero
- Department of Agriculture, Food and EnvironmentUniversity of CataniaCataniaItaly
| | - Antonio Gugliuzzo
- Department of Agriculture, Food and EnvironmentUniversity of CataniaCataniaItaly
| | - Marianne A Soares
- Laboratório de Ecotoxicologia e MIP, Departamento de EntomologiaUniversidade Federal de LavrasLavrasBrazil
| | | | - Geraldo A Carvalho
- Laboratório de Ecotoxicologia e MIP, Departamento de EntomologiaUniversidade Federal de LavrasLavrasBrazil
| | - Lucia Zappalà
- Department of Agriculture, Food and EnvironmentUniversity of CataniaCataniaItaly
| | - Antonio Biondi
- Department of Agriculture, Food and EnvironmentUniversity of CataniaCataniaItaly
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