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Li Z, Chen L, Dou Y, Wang H, Chen C, Wang X. Innovative detection mechanism for deltamethrin based on a dual-emitting Fluoroprobe and its application in a smartphone-based photoelectric conversion device. Food Chem 2024; 449:139231. [PMID: 38579654 DOI: 10.1016/j.foodchem.2024.139231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2023] [Revised: 03/21/2024] [Accepted: 04/01/2024] [Indexed: 04/07/2024]
Abstract
Pyrethroids are widely used insecticides worldwide, while their on-site and rapid detection still faces technological challenges. Herein, an innovative detection mechanism was designed for deltamethrin, a typical kind of type II pyrethroids, based on a dual-emitting fluoroprobe consisting of NH2-SiQDs and Eu3+. Deltamethrin can rapidly hydrolyze into 3-phenoxybenzaldehyde (3-PBD) and react specifically with fluoroprobe, causing fluorescence quenching of SiQDs while maintaining the fluorescent stability of Eu3+. Building upon the above fluorescence-responsive principle, SiQDs@Eu3+ provided satisfactorily dual-emitting signals, realizing the highly-selective and sensitive detection of deltamethrin. Correlation between the surface structure of SiQDs and their absorption spectra was in-depth unraveled by TD-DFT calculation and FT-IR analysis. As for the analytical performance, the recovery and LOD of deltamethrin in lettuce, provided by SiQDs@Eu3+, were comparable or even superior over conventional chromatographic analysis. Meanwhile, an innovative smartphone-based optical device was developed, which greatly decreased errors caused by the previously reported smartphone-based fluorescence detection.
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Affiliation(s)
- Zhongjie Li
- Jiangsu Key Laboratory of Environmental Science and engineering, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Longtian Chen
- Jiangsu Key Laboratory of Environmental Science and engineering, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Yuemao Dou
- Jiangsu Key Laboratory of Environmental Science and engineering, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Huili Wang
- Jiangsu Key Laboratory of Environmental Science and engineering, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Chunyang Chen
- Jiangsu Key Laboratory of Environmental Science and engineering, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.
| | - Xuedong Wang
- Jiangsu Key Laboratory of Environmental Science and engineering, School of Environmental Science and Engineering, Suzhou University of Science and Technology, Suzhou 215009, China.
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2
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Richoux GM, Yang L, Norris EJ, Linthicum KJ, Bloomquist JR. Structural Exploration of Novel Pyrethroid Esters and Amides for Repellent and Insecticidal Activity against Mosquitoes. J Agric Food Chem 2023; 71:18285-18291. [PMID: 37916736 DOI: 10.1021/acs.jafc.3c01839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2023]
Abstract
The emergence of pyrethroid-resistant mosquitoes is a worldwide problem that necessitates further research into the development of new repellents and insecticides. This study explored the modification of existing pyrethroid acids to identify structural motifs that might not be affected by kdr active site mutations that elicit pyrethroid resistance. Because synthetic pyrethroids almost always contain activity-dependent chiral centers, we chose to focus our efforts on exploring alkoxy moieties of esters obtained with 1R-trans-permethrinic and related acids, which we showed in previous studies to have repellent and/or repellent synergistic properties. To this end, compounds were synthesized and screened for spatially acting repellency and insecticidal activity against the susceptible, Orlando, and pyrethroid-resistant, Puerto Rico, strains of Aedes aegypti mosquito. Screening utilized a high-throughput benchtop glass tube assay, and the compounds screened included a mixture of branched, unbranched, aliphatic, halogenated, cyclic, non-cyclic, and heteroatom-containing esters. Structure-activity relationships indicate that n-propyl, n-butyl, n-pentyl, cyclobutyl, and cyclopentyl substituents exhibited the most promising repellent activity with minimal kdr cross resistance. Preliminary testing showed that these small alcohol esters can be synergistic with phenyl amides and pyrethroid acids. Further derivatization of pyrethroid acids offer an interesting route to future active compounds, and while mosquitoes were the focus of this work, pyrethroid acids and esters have potential for use in reducing pest populations and damage in cropping systems as well.
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Affiliation(s)
- Gary M Richoux
- Emerging Pathogens Institute, Entomology and Nematology Department, University of Florida, Gainesville, Florida 32610, United States
| | - Liu Yang
- Emerging Pathogens Institute, Entomology and Nematology Department, University of Florida, Gainesville, Florida 32610, United States
| | - Edmund J Norris
- Emerging Pathogens Institute, Entomology and Nematology Department, University of Florida, Gainesville, Florida 32610, United States
- Center for Medical, Agricultural and Veterinary Entomology, Agricultural Research Service (ARS), United States Department of Agriculture (USDA), Gainesville, Florida 32608, United States
| | - Kenneth J Linthicum
- Center for Medical, Agricultural and Veterinary Entomology, Agricultural Research Service (ARS), United States Department of Agriculture (USDA), Gainesville, Florida 32608, United States
| | - Jeffrey R Bloomquist
- Emerging Pathogens Institute, Entomology and Nematology Department, University of Florida, Gainesville, Florida 32610, United States
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Nicaretta JE, Ferreira LL, de Cavalcante ASDA, Zapa DMB, Heller LM, Trindade ASN, de Morais IML, Salvador VF, Leal LLLL, da Silva FLV, de Aquino LM, Couto LFM, Soares VE, Monteiro CMO, Lopes WDZ. Influence of the acaricide emulsion pH on the effectiveness of spray products to control the cattle tick: laboratory and field investigations. Parasitol Res 2023; 122:2267-2278. [PMID: 37493957 DOI: 10.1007/s00436-023-07927-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/18/2023] [Indexed: 07/27/2023]
Abstract
The current work evaluated the efficacy of 10 commercial acaricides in different pHs (4.5, 5.5, and 6.5) in laboratory (adult immersion tests (AIT), pH evaluation over time) and field assays (tick counts and efficacy). In the AIT (n=70), higher efficacies were obtained when the acaricide emulsion had a more acidic pH (4.5), mainly for two combinations of pyrethroids + organophosphate (acaricide 3 and acaricide 9). For amidine, a higher pH (6.5) showed a higher efficacy. Over time, there was a trend in the pH of these emulsions increasing. When the efficacy of chlorpyrifos + cypermethrin + piperonyl butoxide (acaricide 3) at different pHs was evaluated over time (0, 6, 12, and 24h) by AIT, the less acidic pH (6.5) showed a strongly variation in the acaricide efficacy range. The mean pH of the water samples from different regions of Brazil was 6.5. In the field, the association of pyrethroid + organophosphates (acaricide 9) with pH of 4.5 and 5.5 were more effective in tick control than the emulsion prepared with this same spray formulation at pH 6.5. The pH of the acaricide emulsions is an important point of attention and is recommended that the veterinary industry start to develop/share information regarding how the pH can affect the acaricide efficacy.
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Affiliation(s)
- João Eduardo Nicaretta
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Lorena Lopes Ferreira
- Departamento de Medicina Veterinária Preventiva, Escola de Veterinária, Belo Horizonte, Minas Gerais, Brazil
| | | | - Dina María Beltrán Zapa
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Luciana Maffini Heller
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Artur Siqueira Nunes Trindade
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Igor Maciel Lopes de Morais
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Vanessa Ferreira Salvador
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Luccas Lourenzzo Lima Lins Leal
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Francisca Letícia Vale da Silva
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Lídia Mendes de Aquino
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Luiz Felipe Monteiro Couto
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | | | - Caio Márcio Oliveira Monteiro
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
- Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Goiás, Brazil
| | - Welber Daniel Zanetti Lopes
- Centro de Parasitologia Veterinária, Escola de Veterinária e Zootecnia, Universidade Federal de Goiás, Goiânia, Goiás, Brazil.
- Departamento de Biociências e Tecnologia, Instituto de Patologia Tropical e Saúde Pública, Universidade Federal de Goiás, Goiânia, Goiás, Brazil.
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Sonwal VK, Katna S. Residue dynamics and dietary risk assessment of new formulation of novaluron and lambda cyhalothrin on tomato. Environ Sci Pollut Res Int 2023; 30:100638-100645. [PMID: 37635163 DOI: 10.1007/s11356-023-29478-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Accepted: 08/20/2023] [Indexed: 08/29/2023]
Abstract
Presence of residues on food commodities is major bottleneck of insecticide use under good agricultural practices (GAPs). The use of less persistent with two different mode of action insecticide is novel approach of getting maximum insect control without developing insecticide resistance. Novaluron, an insect growth disruptor and lambda cyhalothrin, a nerve poison has been used widely for the management of lepidopteran pests. Dissipation and consumer risk analysis studies were carried out on a new combination product of novaluron and lambda cyhalothrin are used for control insects of tomato at recommended standard dose of 71 + 14 g/ha and double dose of 142 + 28 g/ha of active ingredients. Extraction and cleanup of sample residues was done using QuEChERS technique and analyzed in GC-ECD. The residues of novaluron were dissipated within 10 to 15 days, and the residues of lambda cyhalothrin were at 7 to 10 days, both at the standard and double the standard dose, following a first order reaction kinetics. Analysis of risk and hazard quotient revealed that the test insecticides do not pose any dietary risk to consumer as TMDI < MPI and HQ < 1.
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Affiliation(s)
- Vinit Kumar Sonwal
- Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan, H.P., 173230, India.
| | - Sapna Katna
- Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Solan, H.P., 173230, India
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Liu Y, Tang S, Wang X, Wang X, Tang X, Wu Q, Huang Z, Ding J. A novel thermostable and salt-tolerant carboxylesterase involved in the initial aerobic degradation pathway for pyrethroids in Glycomyces salinus. J Hazard Mater 2023; 451:131128. [PMID: 36893599 DOI: 10.1016/j.jhazmat.2023.131128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 02/25/2023] [Accepted: 03/01/2023] [Indexed: 06/18/2023]
Abstract
The long-term and excessive use of pyrethroid pesticides poses substantial health risks and ecosystem concerns. Several bacteria and fungi have been reported that could degrade pyrethroids. The ester-bond hydrolysis using hydrolases is the initial regulatory metabolic reaction of pyrethroids. However, the thoroughly biochemical characterization of hydrolases involved in this process is limited. Here, a novel carboxylesterase, designated as EstGS1 that could hydrolyze pyrethroid pesticides was characterized. EstGS1 showed low sequence identity (<27.03%) compared to other reported pyrethroid hydrolases and belonged to the hydroxynitrile lyase family that preferred short short-chain acyl esters (C2 to C8). EstGS1 displayed the maximal activity of 213.38 U/mg at 60 °C and pH 8.5 using pNPC2 as substrate, with Km and Vmax were 2.21 ± 0.72 mM and 212.90 ± 41.78 µM/min, respectively. EstGS1 is a halotolerant esterase and remains stable in 5.1 M NaCl. Based on molecular docking and mutational analysis, the catalytic triad of S74-D181-H212 and three other substrate-binding residues I108, S159, and G75 are critical for the enzymatic activity of EstGS1. Additionally, 61 and 40 mg/L of deltamethrin and λ-cyhalothrin were hydrolyzed by 20 U of EstGS1 in 4 h. This work presents the first report on a pyrethroid pesticide hydrolase characterized from a halophilic actinobacteria.
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Affiliation(s)
- Yan Liu
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China
| | - Shukun Tang
- Yunnan Institute of Microbiology, Key Laboratory for Conservation and Utilization of Bio-Resource, School of Life Sciences, Yunnan University, Kunming 650091, China
| | - Xu Wang
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China
| | - Xiaoliang Wang
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China
| | - Xianghua Tang
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China
| | - Qian Wu
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China
| | - Zunxi Huang
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China; Key Laboratory of Yunnan Province for Biomass Energy and Environmental Biotechnology, Yunnan Normal University, Kunming 650500, China
| | - Junmei Ding
- Engineering Research Center of Sustainable Development and Utilization of Biomass Energy, Ministry of Education, Yunnan Normal University, Kunming 650500, China; Key Laboratory of Yunnan Province for Biomass Energy and Environmental Biotechnology, Yunnan Normal University, Kunming 650500, China.
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6
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Hou S, Huang C, Zhang D, Shang Y, Sun G, Peng D, Chen Y, Wang Y. Broad-spectrum portable magnetic relaxation switching immunosensor with gold-functionalized magnetic nanoprobes for the sensitive detection of multiple pyrethroids. J Hazard Mater 2023; 451:131141. [PMID: 36921413 DOI: 10.1016/j.jhazmat.2023.131141] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 02/19/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
At present, the most available pyrethroid (PYR) detection methods still suffer from a narrow detection spectrum, low sensitivity, and less portability. Herein, a novel magnetic relaxation switching (MRS) sensor was elaboratively designed to detect multiple PYRs, combining a novel broad-spectrum antibody CL-CN/1D2 and synthesized immune gold-functionalized magnetic nanoparticles, with the inherent response of the sensor. A series of antibodies and the immune gold-functionalized magnetic nanoparticles were designed and synthesized. The broad-spectrum antibody CL-CN/1D2 and high-performance gold-functionalized magnetic nanoprobe were further selected. The target analytes were effectively captured by the gold-functionalized magnetic nanoparticles in 20% (v/v) ethanol, resulting in the number increase of the signaling probes in the supernatant after magnetic separation. This sensor can detect multiple PYRs with a detection limit of 2.72 μg/L for cypermethrin, 3.58 μg/L for β-cypermethrin, 4.07 μg/L for cyfluthrin, 3.66 μg/L for λ-cyhalothrin, 4.42 μg/L for β-cyhalothrin, 3.51 μg/L for fenpropathrin, 4.41 μg/L for fenvalerate, and 4.12 μg/L for deltamethrin in lake water and milk within 35 min. This study not only achieves broad-spectrum PYRs detection at a trace amount but also provides an effective and universal strategy for enhancing the sensitivity and stability of the portable MRS sensor when detecting hydrophobic analytes in the environment.
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Affiliation(s)
- Sulin Hou
- National Reference Laboratory of Veterinary Drug Residues (HZAU), Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Chenxi Huang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Dandan Zhang
- National Reference Laboratory of Veterinary Drug Residues (HZAU), Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yuhan Shang
- National Reference Laboratory of Veterinary Drug Residues (HZAU), Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Guangwei Sun
- Shandong Mental Health Center, Shandong University, Jinan, Shandong 250014, China
| | - Dapeng Peng
- National Reference Laboratory of Veterinary Drug Residues (HZAU), Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yiping Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, Hubei 430070, China
| | - Yulian Wang
- National Reference Laboratory of Veterinary Drug Residues (HZAU), Huazhong Agricultural University, Wuhan, Hubei 430070, China.
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Hutton SJ, Siddiqui S, Pedersen EI, Markgraf CY, Segarra A, Hladik ML, Connon RE, Brander SM. Comparative behavioral ecotoxicology of Inland Silverside larvae exposed to pyrethroids across a salinity gradient. Sci Total Environ 2023; 857:159398. [PMID: 36257430 DOI: 10.1016/j.scitotenv.2022.159398] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 10/05/2022] [Accepted: 10/08/2022] [Indexed: 06/16/2023]
Abstract
Pyrethroids, a class of commonly used insecticides, are frequently detected in aquatic environments, including estuaries. The influence that salinity has on organism physiology and the partitioning of hydrophobic chemicals, such as pyrethroids, has driven interest in how toxicity changes in saltwater compared to freshwater. Early life exposures in fish to pyrethroids cause toxicity at environmentally relevant concentrations, which can alter behavior. Behavior is a highly sensitive endpoint that influences overall organism fitness and can be used to detect toxicity of environmentally relevant concentrations of aquatic pollutants. Inland Silversides (Menidia beryllina), a commonly used euryhaline model fish species, were exposed from 5 days post fertilization (~1-day pre-hatch) for 96 h to six pyrethroids: bifenthrin, cyfluthrin, cyhalothrin, cypermethrin, esfenvalerate and permethrin. Exposures were conducted at three salinities relevant to brackish, estuarine habitat (0.5, 2, and 6 PSU) and across 3 concentrations, either 0.1, 1, 10, and/or 100 ng/L, plus a control. After exposure, Inland Silversides underwent a behavioral assay in which larval fish were subjected to a dark and light cycle stimuli to determine behavioral toxicity. Assessment of total distanced moved and thigmotaxis (wall hugging), used to measure hyper/hypoactivity and anxiety like behavior, respectively, demonstrate that even at the lowest concentration of 0.1 ng/L pyrethroids can induce behavioral changes at all salinities. We found that toxicity decreased as salinity increased for all pyrethroids except permethrin. Additionally, we found evidence to suggest that the relationship between log KOW and thigmotaxis is altered between the lower and highest salinities.
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Affiliation(s)
- Sara J Hutton
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, United States of America.
| | - Samreen Siddiqui
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR 97365, United States of America
| | - Emily I Pedersen
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR 97365, United States of America
| | - Christopher Y Markgraf
- Department of Biochemistry and Biophysics, Oregon State University, Corvallis, OR 97331, United States of America
| | - Amelie Segarra
- Department of Anatomy, Physiology and Cell Biology, University of California, Davis, CA 95616, United States of America
| | - Michelle L Hladik
- U.S. Geological Survey, California Water Science Center, Sacramento, CA 95819, United States of America
| | - Richard E Connon
- Department of Anatomy, Physiology and Cell Biology, University of California, Davis, CA 95616, United States of America
| | - Susanne M Brander
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Newport, OR 97365, United States of America
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Ma S, Wang L, Guo G, Yu J, Di X. Systematic Stereoselectivity Evaluations of Tetramethrin Enantiomers: Stereoselective Cytotoxicity, Metabolism, and Environmental Fate in Earthworms, Soils, Vegetables, and Fruits. J Agric Food Chem 2023; 71:234-243. [PMID: 36577083 DOI: 10.1021/acs.jafc.2c06489] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Tetramethrin is a widely applied type I chiral pyrethroid insecticide that exists as a mixture of four isomers. In the present study, its stereoselective cytotoxicity, bioaccumulation, degradation, and metabolism were investigated for the first time at the enantiomeric level in detail by using a sensitive chiral high-performance liquid chromatography-tandem mass spectroscopy (HPLC-MS/MS) method. Results showed that among rac-tetramethrin and its four enantiomers, the trans (+)-1R,3R-tetramethrin had the strongest inhibition effect on the PC12 cells. In the earthworm exposure trial, the concentration of trans (-)-1S,3S-tetramethrin was 0.94-8.92 times in earthworms (cultivated in natural soil) and 1.67-5.01 times (cultivated in artificial soil) higher than trans (+)-1R,3R-tetramethrin, respectively. In the greenhouse experiment, the trans (+)-1R,3R-tetramethrin and cis (+)-1R,3S-tetramethrin were preferentially degraded. Furthermore, for rat liver microsome in vitro incubation, the maximum metabolism rate of cis (-)-1S,3R-tetramethrin was 1.50 times higher than its antipodes. Altogether, the aim of this study was to provide a scientific and reasonable reference for the possibility of developing a single enantiomer to replace the application of rac-tetramethrin, which could possess better bioactivity and lower ecotoxicity, and thus permit more reliable and accurate environmental monitoring and risk assessment.
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Affiliation(s)
- Siman Ma
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang110016, China
| | - Lina Wang
- Department of Animal Products and Fishery Products, Liaoning Institute for Agro-product Veterinary Drugs and Feed Control, Liaoning Inspection, Examination & Certification Center, Shenyang110000, China
| | - Guoxian Guo
- Department of Animal Products and Fishery Products, Liaoning Institute for Agro-product Veterinary Drugs and Feed Control, Liaoning Inspection, Examination & Certification Center, Shenyang110000, China
| | - Jia Yu
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang110016, China
| | - Xin Di
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang110016, China
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9
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Symington SB, Toltin AC, Murenzi E, Lansky D, Clark JM. Determination of potential toxicodynamic differences of pyrethroid insecticides on native voltage-sensitive sodium channels in juvenile versus adult rat brain. Pestic Biochem Physiol 2023; 189:105296. [PMID: 36549822 DOI: 10.1016/j.pestbp.2022.105296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 11/16/2022] [Accepted: 11/18/2022] [Indexed: 06/17/2023]
Abstract
Microtransplantation of neurolemma tissue fragments from mammalian brain into the plasma membrane of Xenopus laevis oocytes is a tool to examine the endogenous structure and function of various ion channels and receptors associated with the central nervous system. Microtransplanted neurolemma can originate from a variety of sources, contain ion channels and receptors in their native configuration, and are applicable to examine diseases associated with different channelopathies. Here, we examined potential age-related differences in voltage-sensitive sodium channel (VSSC) expression and concentration-dependent responses to pyrethroids following the microtransplantation of juvenile or adult rat brain tissue (neurolemma) into X. laevis oocytes. Using automated western blotting, adult neurolemma exhibited a 2.5-fold higher level of expression of VSSCs compared with juvenile neurolemma. The predominant isoform expressed in both tissues was Nav1.2. However, adult neurolemma expressed 2.8-fold more Nav1.2 than juvenile and expressed Nav1.6 at a significantly higher level (2.2-fold). Microtransplanted neurolemma elicited ion currents across the plasma membrane of oocytes following membrane depolarization using two electrode voltage clamp electrophysiology. A portion of this current was sensitive to tetrodotoxin (TTX) and this TTX-sensitive current was abolished when external sodium ion was replaced by choline ion, functionally demonstrating the presence of native VSSC. Increasing concentrations of permethrin or deltamethrin exhibited concentration-dependent increases in inward TTX-sensitive current in the presence of niflumic acid from both adult and juvenile tissues following a pulsed depolarization of the oocyte plasma membrane. Concentration-dependent response curves illustrate that VSSCs associated with juvenile neurolemma were up to 2.5-fold more sensitive to deltamethrin than VSSCs in adult neurolemma. In contrast, VSSCs from juvenile neurolemma were less sensitive to permethrin than adult VSSCs at lower concentrations (0.6-0.8-fold) but were more sensitive at higher concentrations (up to 2.4-fold). Nonetheless, because the expected concentrations in human brains following realistic exposure levels are approximately 21- (deltamethrin) to 333- (permethrin) times below the threshold concentration for response in rat neurolemma-injected oocytes, age-related differences, if any, are not likely to be toxicologically relevant.
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Affiliation(s)
- Steven B Symington
- Department of Biology and Biomedical Science, Salve Regina University, Newport, RI, USA.
| | - Abigail C Toltin
- Department of Biology and Biomedical Science, Salve Regina University, Newport, RI, USA
| | - Edwin Murenzi
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, MA, USA; Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, USA.
| | - David Lansky
- Precision Bioassay, Inc., Burlington, VT 05401, USA.
| | - John M Clark
- Molecular and Cellular Biology Program, University of Massachusetts, Amherst, MA, USA; Department of Veterinary and Animal Science, University of Massachusetts, Amherst, MA, USA.
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10
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Sugisaka Y, Aoyama S, Kumagai K, Ihara M, Matsuda K. TcGLIP GDSL Lipase Substrate Specificity Co-determines the Pyrethrin Composition in Tanacetum cinerariifolium. J Agric Food Chem 2022; 70:8645-8652. [PMID: 35793553 PMCID: PMC9306000 DOI: 10.1021/acs.jafc.2c02365] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Natural pesticides pyrethrins biosynthesized by Tanacetum cinrerariifolium are biodegradable and safer insecticides for pest insect control. TcGLIP, a GDSL lipase underpinning the ester bond formation in pyrethrins, exhibits high stereo-specificity for acyl-CoA and alcohol substrates. However, it is unknown how the enzyme recognizes the other structural features of the substrates and whether such specificity affects the product amount and composition in T. cinrerariifolium. We report here that the cysteamine moiety in (1R,3R)-chrysanthemoyl CoA and the conjugated diene moiety in (S)-pyrethrolone play key roles in the interactions with TcGLIP. CoA released from chrysanthemoyl CoA in the pyrethrin-forming reaction reduces the substrate affinity for TcGLIP by feedback inhibition. (S)-Pyrethrolone shows the highest catalytic efficiency for TcGLIP, followed by (S)-cinerolone and (S)-jasmololone, contributing, at least in part, to determine the pyrethrin compositions in T. cinerariifolium.
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Affiliation(s)
- Yukimi Sugisaka
- Department
of Applied Biological Chemistry, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan
| | - Shiori Aoyama
- Department
of Applied Biological Chemistry, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan
| | - Konoka Kumagai
- Department
of Applied Biological Chemistry, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan
| | - Makoto Ihara
- Department
of Applied Biological Chemistry, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan
| | - Kazuhiko Matsuda
- Department
of Applied Biological Chemistry, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan
- Agricultural
Technology and Innovation Research Institute, Kindai University, 3327-204
Nakamachi, Nara 631-8505, Japan
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11
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Zoh MG, Tutagata J, Fodjo BK, Mouhamadou CS, Sadia CG, McBeath J, Schmitt F, Horstmann S, David JP, Reynaud S. Exposure of Anopheles gambiae larvae to a sub-lethal dose of an agrochemical mixture induces tolerance to adulticides used in vector control management. Aquat Toxicol 2022; 248:106181. [PMID: 35504174 DOI: 10.1016/j.aquatox.2022.106181] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2021] [Revised: 04/19/2022] [Accepted: 04/24/2022] [Indexed: 06/14/2023]
Abstract
The heavy use of pesticides in agricultural areas often leads to the contamination of nearby mosquito larvae breeding sites. Exposure to complex mixtures of agrochemicals can affect the insecticide sensitivity of mosquito larvae. Our study objective was to determine whether agrochemical residues in Anopheline larval breeding sites can affect the tolerance of adults to commonly used adulticides. We focussed on Fludora® Fusion, a vector control insecticide formulation combining two insecticides (deltamethrin and clothianidin) with different modes of action. An. gambiae larvae were exposed to a sub-lethal dose of a mixture of agrochemical pesticides used in a highly active agricultural area on the Ivory Coast. Comparative bioassays with Fludora Fusion mixture and its two insecticide components (deltamethrin and clothianidin) were carried out between adult mosquitoes exposed or not to the agrochemicals at the larval stage. A transcriptomic analysis using RNA sequencing was then performed on larvae and adults to study the molecular mechanisms underlying the phenotypic changes observed. Bioassays revealed a significantly increased tolerance of adult females to clothianidin (2.5-fold) and Fludora Fusion mixture (2.2-fold) following larval exposure to agrochemicals. Significantly increased tolerance to deltamethrin was not observed suggesting that insecticide exposure affects the adult efficacy of the Fludora Fusion mixture mainly through mechanisms acting on clothianidin. Transcriptomic analysis revealed the potential of agrochemicals to induce various resistance mechanisms including cuticle proteins, detoxification action and altered insecticide sequestration. These results suggest that although the Fludora Fusion mixture is effective for adult vector control, its efficacy may be locally affected by the ecological context. The present study also suggests that, although the complex interactions between the use of agrochemicals and vector control insecticides are difficult to decipher in the field, they still must be considered in the context of insecticide resistance management programmes.
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Affiliation(s)
- Marius Gonse Zoh
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
| | - Jordan Tutagata
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
| | - Behi K Fodjo
- Centre Suisse de la Recherche Scientifique en Côte d'Ivoire, Côte d'Ivoire
| | | | | | | | | | | | - Jean-Philippe David
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
| | - Stéphane Reynaud
- Univ. Grenoble-Alpes, Univ. Savoie Mont Blanc, CNRS, LECA, 38000 Grenoble, France.
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12
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Li H, Ma Y, Yao T, Ma L, Zhang J, Li C. Biodegradation Pathway and Detoxification of β-cyfluthrin by the Bacterial Consortium and Its Bacterial Community Structure. J Agric Food Chem 2022; 70:7626-7635. [PMID: 35698868 DOI: 10.1021/acs.jafc.2c00574] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
In the process of microbial degradation of pyrethroid pesticides, the synergistic effect of the microbial community is more conducive to the complete degradation of toxic compounds than a single strain. At present, the degradation pathway of pyrethroids in a single strain has been well revealed, but the synergistic metabolism at the community level has not been well explained. This study elucidated the bacterial community succession, metabolic pathway, and phytotoxicity assessment during β-cyfluthrin biodegradation by a novel bacterial consortium enriched from contaminated soil. The results showed that the half-life of β-cyfluthrin at different initial concentrations of 0.25, 0.5, 0.75, and 1.0 mg mL-1 were 4.16, 7.34, 12.81, and 22.73 days, respectively. Enterobacter was involved in β-cyfluthrin degradation metabolism in the initial stage, and other bacterial genera (Microbacterium, Ochrobactrum, Pseudomonas, Hyphomicrobiaceae, Achromobacter, etc.) significantly contribute to the degradation of intermediate metabolites in the later stages. Functional gene prediction and metabolite analysis showed that xenobiotic biodegradation and metabolism, especially benzoate degradation and metabolism by cytochrome P450 were the major means of β-cyfluthrin degradation. Further, two degradation pathways of β-cyfluthrin were proposed, which were mainly ester hydrolysis and oxidation to degrade β-cyfluthrin through the production of carboxylesterase and oxidoreductase. In addition, the inoculated bacterial consortium could degrade β-cyfluthrin residues in water and soil and reduce its phytotoxicity in Medicago sativa. Hence, this novel bacterial consortium has important application in the remediation environments polluted by β-cyfluthrin.
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Affiliation(s)
- Haiyun Li
- College of Grassland Science, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Gansu Agricultural University, Lanzhou 730070, P.R. China
- Collaborative Innovation Center for Western Ecological Safety, Lanzhou University, Lanzhou 730000, P.R. China
| | - Yachun Ma
- College of Grassland Science, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Gansu Agricultural University, Lanzhou 730070, P.R. China
| | - Tuo Yao
- College of Grassland Science, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Gansu Agricultural University, Lanzhou 730070, P.R. China
| | - Li Ma
- State Key Laboratory of Aridland Crop Science, College of Agronomy, Gansu Agricultural University, Lanzhou 730070, P.R. China
| | - Jiangui Zhang
- College of Grassland Science, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Gansu Agricultural University, Lanzhou 730070, P.R. China
| | - Changning Li
- College of Grassland Science, Key Laboratory of Grassland Ecosystem of the Ministry of Education, Gansu Agricultural University, Lanzhou 730070, P.R. China
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13
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Ibrahium SM, Farghali AA, Mahmoud R, Wahba AA, El-Ashram S, Mahran HA, Aboelhadid SM. New insight on some selected nanoparticles as an effective adsorbent toward diminishing the health risk of deltamethrin contaminated water. PLoS One 2021; 16:e0258749. [PMID: 34735469 PMCID: PMC8568195 DOI: 10.1371/journal.pone.0258749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 10/04/2021] [Indexed: 11/22/2022] Open
Abstract
Deltamethrin is a widely used insecticide that kills a wide variety of insects and ticks. Deltamethrin resistance develops as a result of intensive, repeated use, as well as increased environmental contamination and a negative impact on public health. Its negative impact on aquatic ecology and human health necessitated the development of a new technique for environmental remediation and wastewater treatment, such as the use of nanotechnology. The co-precipitation method was used to create Zn-Fe/LDH, Zn-AL-GA/LDH, and Fe-oxide nanoparticles (NPs), which were then characterized using XRD, FT-IR, FE-SEM, and HR-TEM. The kinetic study of adsorption test revealed that these NPs were effective at removing deltamethrin from wastewater. The larval packet test, which involved applying freshly adsorbed deltamethrin nanocomposites (48 hours after adsorption), and the comet assay test were used to confirm that deltamethrin had lost its acaricidal efficacy. The kinetics of the deltamethrin adsorption process was investigated using several kinetic models at pH 7, initial concentration of deltamethrin 40 ppm and temperature 25°C. Within the first 60 min, the results indicated efficient adsorption performance in deltamethrin removal, the maximum adsorption capacity was 27.56 mg/L, 17.60 mg/L, and 3.06 mg/L with the Zn-Al LDH/GA, Zn-Fe LDH, and Fe Oxide, respectively. On tick larvae, the results of the freshly adsorbed DNC bioassay revealed larval mortality. This suggests that deltamethrin's acaricidal activity is still active. However, applying DNCs to tick larvae 48 hours after adsorption had no lethal effect, indicating that deltamethrin had lost its acaricidal activity. The latter result corroborated the results of the adsorption test's kinetic study. Furthermore, the comet assay revealed that commercial deltamethrin caused 28.51% DNA damage in tick cells, which was significantly higher than any DNC. In conclusion, the NPs used play an important role in deltamethrin decontamination in water, resulting in reduced public health risk. As a result, these NPs could be used as a method of environmental remediation.
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Affiliation(s)
| | - Ahmed A. Farghali
- Materials Science and Nanotechnology Department, Faculty of Postgraduate Studies for Advanced Sciences (PSAS), Beni-Suef, University, Beni-Suef, Egypt
| | - Rehab Mahmoud
- Department of Chemistry, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Ahmed A. Wahba
- Parasitology Department, Animal Health Research Institute, Dokki, Egypt
| | - Saeed El-Ashram
- College of Life Science and Engineering, Foshan University, Foshan, Guangdong, China
- Faculty of Science, Kafrelsheikh University, Kafr El-Sheikh, Egypt
| | - Hesham A. Mahran
- Health Informatics Department, College of Public Health and Tropical Medicine, Jazan University, Jazan, Saudi Arabia
- Hygiene, Zoonoses and Epidemiology Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Shawky M. Aboelhadid
- Department of Parasitology, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
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14
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Baig A, Zubair M, Sumrra SH, Rashid U, Zafar MN, Ahmad F, Nazar MF, Farid M, Bilal M, Alharthi FA, Giannakoudakis DA. Green photosensitisers for the degradation of selected pesticides of high risk in most susceptible food: A safer approach. PLoS One 2021; 16:e0258864. [PMID: 34710164 PMCID: PMC8553129 DOI: 10.1371/journal.pone.0258864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Accepted: 10/06/2021] [Indexed: 11/18/2022] Open
Abstract
Pesticides are the leading defence against pests, but their unsafe use reciprocates the pesticide residues in highly susceptible food and is becoming a serious risk for human health. In this study, mint extract and riboflavin were tested as photosensitisers in combination with light irradiation of different frequencies, employed for various time intervals to improve the photo-degradation of deltamethrin (DM) and lambda cyhalothrin (λ-CHT) in cauliflower. Different source of light was studied, either in ultraviolet range (UV-C, 254 nm or UV-A, 320-380 nm) or sunlight simulator (> 380-800 nm). The degradation of the pesticides varied depending on the type of photosensitiser and light source. Photo-degradation of the DM and λ-CHT was enhanced by applying the mint extracts and riboflavin and a more significant degradation was achieved with UV-C than with either UV-A or sunlight, reaching a maximum decrement of the concentration by 67-76%. The light treatments did not significantly affect the in-vitro antioxidant activity of the natural antioxidants in cauliflower. A calculated dietary risk assessment revealed that obvious dietary health hazards of DM and λ-CHT pesticides when sprayed on cauliflower for pest control. The use of green chemical photosensitisers (mint extract and riboflavin) in combination with UV light irradiation represents a novel, sustainable, and safe approach to pesticide reduction in produce.
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Affiliation(s)
- Ayesha Baig
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
| | - Muhammad Zubair
- Department of Chemistry, University of Gujrat, Gujrat, Pakistan
- * E-mail: , (UR); (MZ)
| | | | - Umer Rashid
- Institute of Advanced Technology, Universiti Putra Malaysia, UPM, Serdang, Selangor, Malaysia
- * E-mail: , (UR); (MZ)
| | | | - Fayyaz Ahmad
- Department of Statistics, University of Gujrat, Gujrat, Pakistan
| | - Muhammad Faizan Nazar
- Department of Chemistry, University of Education Lahore, Multan Campus, Multan Pakistan
| | - Mujahid Farid
- Department of Environmental Sciences, University of Gujrat, Gujrat, Pakistan
| | - Muhammad Bilal
- School of Life Sciences and Food Engineering, Huaiyin Institute of Technology, Huaian, China
| | - Fahad A. Alharthi
- Chemistry Department, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Dimitrios A. Giannakoudakis
- Institute of Physical Chemistry, Polish Academy of Sciences, Kasprzaka, Warsaw, Poland
- Department of Chemistry, Aristotle University of Thessaloniki, University Campus, Thessaloniki, Greece
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15
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Maden B, Yildirim Kumral A. Degradation Trends of Some Insecticides and Microbial Changes during Sauerkraut Fermentation under Laboratory Conditions. J Agric Food Chem 2020; 68:14988-14995. [PMID: 33287534 DOI: 10.1021/acs.jafc.0c03948] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The aim of this study was to monitor the degradation of three insecticides licensed for the control of cabbage moths during the 14-day fermentation period of sauerkraut samples. The hypothesis of this study is that the different sauerkraut fermentation processes could affect the degradation of applied insecticides. For this purpose, the fresh cabbage leaves contaminated with (λ-cyhalothrin, malathion, and chlorpyrifos-methyl) were left for fermentation with and without (natural) starter addition (Lactobacillus plantarum 112), and vacuum-packed as a control under laboratory conditions. The pH values and microbial growth were periodically monitored in sauerkraut samples during the fermentation period. During this time, the insecticide residues were determined in control and treatment samples using LC-MS-MS. In control samples, the degradation of chlorpyrifos-methyl and malathion was higher with rates of 69 and 98%, respectively, compared with the sauerkraut samples (12 and 59%; 31 and 34%, respectively) 14 days after the insecticide application. At the end of fermentation (14 d), no significant reduction in λ-cyhalothrin was detected in both treatments and control (13-19% reduction). The current study demonstrated that the presence of the lactic acid bacteria in the sauerkraut fermentation accelerated pH decline (below 4.0), and these fermentation conditions probably decelerated the degradation of malathion and chlorpyrifos-methyl. The results showed that the stability of different insecticides varied during the same fermentation process.
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Affiliation(s)
- Busra Maden
- Department of Food Engineering, Bursa Uludag University Agriculture Faculty, Gorukle, Bursa 16059, Turkey
| | - Aysegul Yildirim Kumral
- Department of Food Engineering, Bursa Uludag University Agriculture Faculty, Gorukle, Bursa 16059, Turkey
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16
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Wu T, Fang X, Yang Y, Meng W, Yao P, Liu Q, Zhang B, Liu F, Zou A, Cheng J. Eco-friendly Water-Based λ-Cyhalothrin Polydopamine Microcapsule Suspension with High Adhesion on Leaf for Reducing Pesticides Loss. J Agric Food Chem 2020; 68:12549-12557. [PMID: 33112140 DOI: 10.1021/acs.jafc.0c02245] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Recently, innovations of nano/microcarrier formulations have been focused on improving application efficiencies and retention time. In this study, a water-based 2.5% λ-cyhalothrin (LC) microcapsule suspension (CS) was developed by orthogonal test with biodegradable and adhesive polydopamine (PDA) microcapsules (MCs) as carriers. The obtained LC-PDA CS had good suspension properties, flow behavior, storage stability, and rheological properties. LC-PDA CS had higher retention, wettability, and decreased rainwater washing out on the leaves than commercial CS. LC-PDA CS displayed higher insecticidal activity against Lipaphis erysimi compared to commercial CS. LC-PDA CS reduced the toxicity of LC to the aquatic organism Danio rerio compared to LC. The above results demonstrated that LC-PDA CS would be eco-friendly water-based pesticides carrier system for prolonging the retention time on target leaf and reducing toxicity to aquatic organisms.
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Affiliation(s)
- Tong Wu
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Xialun Fang
- Shanghai Key Laboratory of Functional Materials Chemistry, State Key Laboratory of Bioreactor Engineering and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Ying Yang
- Shanghai Key Laboratory of Functional Materials Chemistry, State Key Laboratory of Bioreactor Engineering and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Wenyan Meng
- Shanghai Key Laboratory of Functional Materials Chemistry, State Key Laboratory of Bioreactor Engineering and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Pengji Yao
- Shanghai Key Laboratory of Functional Materials Chemistry, State Key Laboratory of Bioreactor Engineering and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Qin Liu
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Bo Zhang
- The Key Laboratory of Resource Chemistry of Ministry of Education, Shanghai Engineering Research Center of Green Energy Chemical Engineering, College of Chemistry and Materials Science, Shanghai Normal University, Shanghai 200234, P. R. China
| | - Feng Liu
- Shandong Provincial Key Laboratory for Biology of Vegetable Diseases and Insect Pests, College of Plant Protection, Shandong Agricultural University, Tai'an 271001, China
| | - Aihua Zou
- Shanghai Key Laboratory of Functional Materials Chemistry, State Key Laboratory of Bioreactor Engineering and Molecular Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Jiagao Cheng
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
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17
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Zhang H, Nie P, Xia Z, Feng X, Liu X, He Y. Rapid Quantitative Detection of Deltamethrin in Corydalis yanhusuo by SERS Coupled with Multi-Walled Carbon Nanotubes. Molecules 2020; 25:molecules25184081. [PMID: 32906783 PMCID: PMC7570915 DOI: 10.3390/molecules25184081] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2020] [Revised: 08/19/2020] [Accepted: 08/28/2020] [Indexed: 11/16/2022] Open
Abstract
With the increase in demand, artificially planting Chinese medicinal materials (CHMs) has also increased, and the ensuing pesticide residue problems have attracted more and more attention. An optimized quick, easy, cheap, effective, rugged and safe (QuEChERS) method with multi-walled carbon nanotubes as dispersive solid-phase extraction sorbents coupled with surface-enhanced Raman spectroscopy (SERS) was first proposed for the detection of deltamethrin in complex matrix Corydalis yanhusuo. Our results demonstrate that using the optimized QuEChERS method could effectively extract the analyte and reduce background interference from Corydalis. Facile synthesized gold nanoparticles with a large diameter of 75 nm had a strong SERS enhancement for deltamethrin determination. The best prediction model was established with partial least squares regression of the SERS spectra ranges of 545~573 cm−1 and 987~1011 cm−1 with a coefficient of determination (R2) of 0.9306, a detection limit of 0.484 mg/L and a residual predictive deviation of 3.046. In summary, this article provides a new rapid and effective method for the detection of pesticide residues in CHMs.
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Affiliation(s)
- Hui Zhang
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
| | - Pengcheng Nie
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
- West Electronic Business Company Limited, Yinchuan 750000, China
| | - Zhengyan Xia
- School of Medcine, Zhejiang University City College, Hangzhou 310015, China
- Correspondence: ; Tel.: +86-0571-8828-4325
| | - Xuping Feng
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
| | - Xiaoxi Liu
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
| | - Yong He
- College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou 310058, China; (H.Z.); (P.N.); (X.F.); (X.L.); (Y.H.)
- Key Laboratory of Spectroscopy Sensing, Ministry of Agriculture, Hangzhou 310058, China
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18
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Zhu Q, Yang Y, Zhong Y, Lao Z, O'Neill P, Hong D, Zhang K, Zhao S. Synthesis, insecticidal activity, resistance, photodegradation and toxicity of pyrethroids (A review). Chemosphere 2020; 254:126779. [PMID: 32957265 DOI: 10.1016/j.chemosphere.2020.126779] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 06/11/2023]
Abstract
Pyrethroids are a class of highly effective, broad-spectrum, less toxic, biodegradable synthetic pesticides. However, despite the extremely wide application of pyrethroids, there are many problems, such as insecticide resistance, lethal/sub-lethal toxicity to mammals, aquatic organisms or other beneficial organisms. The objectives of this review were to cover the main structures, synthesis, steroisomers, mechanisms of action, anti-mosquito activities, resistance, photodegradation and toxicities of pyrethroids. That was to provide a reference for synthesizing or screening novel pyrethroids with low insecticide resistance and low toxicity to beneficial organisms, evaluating the environmental pollution of pyrethroids and its metabolites. Besides, pyrethroids are mainly used for the control of vectors such as insects, and the non-target organisms are mammals, aquatic organisms etc. While maintaining the insecticidal activity is important, its toxic effects on non-target organisms should be also considered. Pyrethroid resistance is present not only in insect mosquitoes but also in environmental microorganisms, which results in anti-pyrethroids resistance (APR) strains. Besides, photodegradation product dibenzofurans is harmful to mammals and environment. Additionally, pyrethroid metabolites may have higher hormonal interference than the parents. Particularly, delivery of pyrethroids in nanoform can reduce the discharge of more toxic substances (such as organic solvents, etc.) to the environment.
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Affiliation(s)
- Qiuyan Zhu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
| | - Yang Yang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
| | - Yingying Zhong
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
| | - Zhiting Lao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
| | - Paul O'Neill
- Department of Chemistry, Liverpool School of Tropical Medicine, L3 5QA, Liverpool, United Kingdom.
| | - David Hong
- Department of Chemistry, Liverpool School of Tropical Medicine, L3 5QA, Liverpool, United Kingdom.
| | - Kun Zhang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China; Faculty of Biotechnology and Health, Wuyi University, Jiangmen, 529020, People's Republic of China.
| | - Suqing Zhao
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, People's Republic of China.
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19
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Kapeleka JA, Sauli E, Sadik O, Ndakidemi PA. Co-exposure risks of pesticides residues and bacterial contamination in fresh fruits and vegetables under smallholder horticultural production systems in Tanzania. PLoS One 2020; 15:e0235345. [PMID: 32667930 PMCID: PMC7363064 DOI: 10.1371/journal.pone.0235345] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2020] [Accepted: 06/14/2020] [Indexed: 11/30/2022] Open
Abstract
This study was carried out to investigate the risks of simultaneous exposure to pesticide residues and bacteria contaminants in locally produced fresh vegetables and vegetables in Tanzania. A total of 613 samples were analyzed for pesticide residues, out of which 250 were also analyzed for bacterial contamination. Overall, 47.5% had pesticide residues, 74.2% exceeded Maximum Residue Levels (MRLs). Organophosphorus (95.2%), organochlorines (24.0%), pyrethroids (17.3%), and carbamates (9.2%) residues dominated. MRL values were mostly exceeded in tomatoes, onions, watermelons, cucumbers, Chinese cabbage, and sweet paper. Tetramethrin (0.0329-1.3733 mg/kg), pirimiphos-methyl (0.0003-1.4093 mg/kg), permethrin (0.0009-2.4537 mg/kg), endosulfan (beta) (0.0008-2.3416 mg/kg), carbaryl (0.0215-1.5068 mg/kg), profenofos (0.0176-2.1377 mg/kg), chlorpyrifos (0.0004-1.2549 mg/kg) and dieldrin (0.0011-0.5271 mg/kg) exceeded MRLs. The prevalence of bacteria contamination was high (63.2%). Enterobacter (55.6%) Pseudomonas aeruginosa (32.4%), E. coli (28.2%), Citrobacter (26.8%), Klebsiella oxytoca (14.8%), and Salmonella (7.7%) were isolated. Furthermore, 46.4% tested positive for both pesticide residues and bacterial contaminants. Vegetables from farms (60.7%) contained more dual contaminants than market-based vegetables (41.8%). This may have resulted from excessive pesticide use and unhygienic handling of fresh fruits and vegetables at production level. Binary logistic regression showed that fresh fruits and vegetables with pesticide residues were 2.231 times more likely to have bacteria contaminants (OR: 2.231; 95% CI: 0.501, 8.802). The contamination levels of pesticide residues and bacterial contaminants could be perceived as a serious problem as most fresh fruits and vegetables recorded values of pesticide residues far above the MRLs with pathogenic bacteria isolated in higher proportions. MRLs was higher in most vegetables consumed raw or semi-cooked such as watermelons, carrots, cucumber, tomatoes, onion and sweet paper. There is an urgent need to develop pesticide monitoring and surveillance systems at farmer level, educating farmers and promoting the use of greener pesticides to mitigate the health effects of pesticides and bacterial contaminants.
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Affiliation(s)
- Jones A. Kapeleka
- The Nelson Mandela African Institution of Science and Technology (NM-AIST), Arusha, Tanzania
- Tropical Pesticides Research Institute (TPRI), Arusha, Tanzania
| | - Elingarami Sauli
- The Nelson Mandela African Institution of Science and Technology (NM-AIST), Arusha, Tanzania
| | - Omowunmi Sadik
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Tiernan Hall Newark, Newark, New Jersey, United States of America
| | - Patrick A. Ndakidemi
- The Nelson Mandela African Institution of Science and Technology (NM-AIST), Arusha, Tanzania
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Chaumeau V, Wisisakun P, Sawasdichai S, Kankew P, Htoo GN, Saithanmettajit S, Aryalamloed S, Lee NY, Delmas G, Nosten F. Longevity of the insecticidal effect of three pyrethroid formulations applied to outdoor vegetation on a laboratory-adapted colony of the Southeast Asian malaria vector Anopheles dirus. PLoS One 2020; 15:e0231251. [PMID: 32287300 PMCID: PMC7156039 DOI: 10.1371/journal.pone.0231251] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Accepted: 03/19/2020] [Indexed: 11/24/2022] Open
Abstract
Outdoor residual spraying is proposed for the control of exophilic mosquitoes. However, the residual effect of insecticide mists applied to outdoor resting habitats of mosquitoes is not well characterized. The objective of this study was to assess the longevity of the residual insecticidal effect of three pyrethroid formulations applied to outdoor vegetation against the Southeast Asian malaria vector Anopheles dirus. Lambda-cyhalothrin capsule suspension, deltamethrin emulsifiable concentrate and bifenthrin wettable powder were sprayed on dense bamboo bushes on the Thailand-Myanmar border during the dry season 2018. The duration and magnitude of the residual insecticidal effect were assessed weekly with a standard cone assay, using freshly collected insecticide-treated bamboo leaves and a laboratory-adapted colony of Anopheles dirus sensu stricto susceptible to pyrethroids. The experiment was repeated during the rainy season to assess the persistence of the lambda-cyhalothrin formulation after natural rains and artificial washings. During the dry season (cumulative rainfall = 28 mm in 111 days), mortality and knockdown (KD) rates were >80% for 60 days with bifenthrin and 90 days with lambda-cyhalothrin and deltamethrin. The 50% knockdown time (TKD50) was <15 min with lambda-cyhalothrin and deltamethrin, and <30 min with bifenthrin. During the rainy season (cumulative rainfall = 465 mm in 51 days), mortality and KD rates were >80% for 42 days and TKD50 was <15 min with lambda-cyhalothrin. Additional artificial washing of the testing material with 10L of tap water before performing the cone tests had no significant effect on the residual insecticidal effect of this formulation. Long-lasting residual insecticidal effect can be obtained when spraying pyrethroid insecticides on the outdoor resting habitats of malaria vectors.
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Affiliation(s)
- Victor Chaumeau
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, England, United Kingdom
| | - Praphan Wisisakun
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Sunisa Sawasdichai
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Prasan Kankew
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Gay Nay Htoo
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Somsak Saithanmettajit
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Sarang Aryalamloed
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Naw Yu Lee
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
| | - Gilles Delmas
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, England, United Kingdom
| | - François Nosten
- Shoklo Malaria Research Unit, Mahidol-Oxford Tropical Medicine Research Unit, Faculty of Tropical Medicine, Mahidol University, Mae Sot, Thailand
- Centre for Tropical Medicine and Global Health, Nuffield Department of Medicine, University of Oxford, Oxford, England, United Kingdom
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Yang L, Richoux GM, Norris EJ, Cuba I, Jiang S, Coquerel Q, Demares F, Linthicum KJ, Bloomquist JR. Pyrethroid-Derived Acids and Alcohols: Bioactivity and Synergistic Effects on Mosquito Repellency and Toxicity. J Agric Food Chem 2020; 68:3061-3070. [PMID: 32059103 DOI: 10.1021/acs.jafc.9b07979] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Pyrethroids are one of the most commonly used classes of insecticides, and their acid and alcohol components are esterase degradation products, usually considered to be biologically inactive. In this study, it was found that several pyrethroid acids had a spatial repellent activity that was greater than DEET, often more active than the parent pyrethroids, and showed little cross resistance in a pyrethroid-resistant Puerto Rico strain of Aedes aegypti mosquitoes. Further investigation revealed that the acids can synergize not only contact repellent standards but also other pyrethroid components as well as the parent pyrethroids themselves. Synergism by the pyrethroid acids is expressed as both increased spatial repellency and vapor toxicity as well as human bite protection. Electrophysiological studies confirmed that pyrethroid acids (100 μM) had no effect on neuronal discharge in larval Drosophila melanogaster CNS and were detected by electroantennography, and there was little resistance to olfactory sensing of these acids in antennae from Puerto Rico strain mosquitoes carrying kdr mutations. Thus, the data suggest that the pyrethroid acids have a different mode of action than the parent pyrethroids, unrelated to the voltage-sensitive sodium channel. The results highlight the potential of pyrethroid acids to be useful in future repellent formulations.
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Affiliation(s)
- Liu Yang
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
| | - Gary M Richoux
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
| | - Edmund J Norris
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
| | - Ingeborg Cuba
- USDA, ARS, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, Florida 32608, United States
| | - Shiyao Jiang
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
| | - Quentin Coquerel
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
| | - Fabien Demares
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
| | - Kenneth J Linthicum
- USDA, ARS, Center for Medical, Agricultural and Veterinary Entomology, Gainesville, Florida 32608, United States
| | - Jeffrey R Bloomquist
- Emerging Pathogens Institute, Department of Entomology and Nematology, University of Florida, Gainesville, Florida 32610, United States
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Soares MP, Jesus F, Almeida AR, Domingues I, Hayd L, Soares AMVM. Effects of pH and nitrites on the toxicity of a cypermetrin-based pesticide to shrimps. Chemosphere 2020; 241:125089. [PMID: 31629234 DOI: 10.1016/j.chemosphere.2019.125089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 10/08/2019] [Accepted: 10/09/2019] [Indexed: 06/10/2023]
Abstract
The Pantanal (Brazil) is a wetland region characterized by seasonal flooding. Hydrological cycles influence the water physicochemical parameters, causing seasonal variations in pH and nitrites. Thus, the objective of this study was to evaluate the effects of varying pH and nitrite concentrations on the toxicity of the cypermethrin-based pesticide Barrage®, considering both lethal (mortality) and sublethal endpoints (growth and development). Larvae of the endemic shrimp Macrobrachium pantanalense and of the estuarine Amazonian congener Macrobrachium amazonicum were exposed to cypermethrin (through Barrage®) under several pH levels (6.5, 7.5 and 8.5) or nitrite concentrations (0.1, 0.2 and 0.4 mg/L). The pH had direct effects on all the tested endpoints for both species. For M. pantanalense, the lethal effects of the cypermethrin formulation were more pronounced at low pH (96-h LC50 = 0.004 μg/L at pH 6.5, and 0.146 μg/L at pH 8.5). For M. amazonicum, an opposite response was observed, with increased toxicity of the formulation at high pH (96-h LC50 = 0.110 μg/L at pH 6.5 and 0.044 μg/L at pH 8.5). Variations in pH also seemed to modify the sublethal effects of the formulation on larval growth and development of M. pantanalense. Nitrite concentrations affected larval growth of both species, modifying also the effects of the cypermethrin formulation on the larval development of M. amazonicum. This work shows the importance of considering abiotic factors for risk assessment either due to possible direct effects on the physiology of organisms and/or due to interactions with other stressors, particularly in fragile biomes such as Pantanal.
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Affiliation(s)
- Mayara Pereira Soares
- State University of Mato Grosso do Sul (UEMS), Animal Science Graduate Program, Aquidauana-UEMS Km 12, 79200-000, Aquidauana, MS, Brazil; Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193, Aveiro, Portugal
| | - Fátima Jesus
- Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193, Aveiro, Portugal
| | - Ana Rita Almeida
- Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193, Aveiro, Portugal
| | - Inês Domingues
- Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193, Aveiro, Portugal.
| | - Liliam Hayd
- State University of Mato Grosso do Sul (UEMS), Animal Science Graduate Program, Aquidauana-UEMS Km 12, 79200-000, Aquidauana, MS, Brazil
| | - Amadeu M V M Soares
- Department of Biology and CESAM, University of Aveiro, Santiago Campus, 3810-193, Aveiro, Portugal
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Devault DA, Karolak S. Wastewater-based epidemiology approach to assess population exposure to pesticides: a review of a pesticide pharmacokinetic dataset. Environ Sci Pollut Res Int 2020; 27:4695-4702. [PMID: 31907818 DOI: 10.1007/s11356-019-07521-9] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 12/25/2019] [Indexed: 04/15/2023]
Abstract
Wastewater-based epidemiology is an innovative approach to estimate a population's intentional and unintentional consumption of chemicals based on biomarker assays found in wastewater. This method can provide real-time objective information on the xenobiotics to which a population is directly or indirectly exposed. This approach has already been used to assess the population exposure to four classes of pesticides: organochlorines (chlordecone), triazines, organophosphates, and pyrethroids. This review aims to obtain the data (excretion rates) and characteristics (pesticide and metabolites stability, including in-sewer one) for other pesticides to broaden the scope of this new method. Excretion rates and stability descriptions for 14 pesticides, namely 2,4-D, aldrin, carbaryl, chlorobenzilate, dieldrin, diquat, ethion, glufosinate, glyphosate, folpet, malathion, parathion, penconazole, and tebuconazole, will be discussed in a practical framework.
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Affiliation(s)
- Damien Alain Devault
- Département sciences et technologies, Centre Universitaire de Formation et de Recherche, RN3 BP53, Dembeni, Mayotte, France.
| | - Sara Karolak
- Public Health and Environment Laboratory, UMR 8079 Ecologie Systématique Evolution, Univ. Paris-Sud, CNRS, AgroParisTech, Université Paris-Saclay, 5 rue Jean Baptiste Clément, 92290, Chatenay-Malabry, France
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Chen K, Wang Y, Cui H, Wei Z, Jia X, Liu Z, Guo X. Difunctional Fluorescence Nanoparticles for Accurate Tracing of Nanopesticide Fate and Crop Protection Prepared by Flash Nanoprecipitation. J Agric Food Chem 2020; 68:735-741. [PMID: 31895559 DOI: 10.1021/acs.jafc.9b06744] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Facile fabrication of difunctional nanoparticles (NPs) for pesticide delivery and imaging is still a fascinating challenge. Here, water-dispersible difunctional NPs were developed using flash nanoprecipitation (FNP) where self-assembling amphiphilic block copolymers were used to encapsulate a highly hydrophobic model pesticide, Lambda-cyhalothrin, and the fluorescent dye Nile red. The particle size (ranging from 158 to 280 nm) and fluorescence property of NPs could be controlled by varying the flow rate or Nile red feed concentration. The aggregation state and rearrangement of the dye molecules in the NPs were also investigated. IVIS imaging and confocal laser scanning microscopy analysis demonstrated that the resulting difunctional nanopesticide particles could allow accurate in situ tracking of the pesticide on the leaf surface, while effectively avoiding interference from chlorophyll autofluorescence. The difunctional NP suspension maintained high insecticidal activity and stability. This work demonstrates the feasibility and great potential of the FNP method in universal fabrication of multifunctional NPs with in situ pesticide tracing and crop protection capabilities.
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Affiliation(s)
- Kai Chen
- State Key Laboratory of Chemical Engineering, Engineering Research Center of Large Scale Reactor Engineering and Technology (Ministry of Education), and International Joint Research Center of Green Energy Chemical Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
- Institute of Environment and Sustainable Development in Agriculture , Chinese Academy of Agricultural Sciences , Beijing 100081 , P. R. China
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Yan Wang
- Institute of Environment and Sustainable Development in Agriculture , Chinese Academy of Agricultural Sciences , Beijing 100081 , P. R. China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture , Chinese Academy of Agricultural Sciences , Beijing 100081 , P. R. China
| | - Zhong Wei
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Xin Jia
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Zhiyong Liu
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
| | - Xuhong Guo
- State Key Laboratory of Chemical Engineering, Engineering Research Center of Large Scale Reactor Engineering and Technology (Ministry of Education), and International Joint Research Center of Green Energy Chemical Engineering , East China University of Science and Technology , Shanghai 200237 , P. R. China
- Engineering Research Center of Materials Chemical Engineering of Xinjiang Bingtuan, Key Laboratory of Materials Chemical Engineering of Xinjiang Uygur Autonomous Region , Shihezi University , Shihezi 832000 , P. R. China
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25
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Terzaghi E, Vitale CM, Di Guardo A. Modelling peak exposure of pesticides in terrestrial and aquatic ecosystems: importance of dissolved organic carbon and vertical particle movement in soil. SAR QSAR Environ Res 2020; 31:19-32. [PMID: 31718305 DOI: 10.1080/1062936x.2019.1686715] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Accepted: 10/27/2019] [Indexed: 05/18/2023]
Abstract
In the present work, an existing vegetation/air/litter/soil model (SoilPlusVeg) was modified to improve organic chemical fate description in terrestrial/aquatic ecosystems accounting for horizontal and vertical particulate organic carbon (POC) transport in soil. The model was applied to simulate the fate of three pesticides (terbuthylazine, chlorpyrifos and etofenprox), characterized by increasing hydrophobicity (log KOW from about 3 to 7), in the soil compartment and more specifically, their movement towards surface and groundwater through infiltration and runoff processes. The aim was to evaluate the role of dissolved organic carbon (DOC) and POC in the soil in influencing the peak exposure of pesticides in terrestrial/aquatic ecosystems. Simulation results showed that while terbuthylazine and chlorpyrifos dominated the free water phase (CW-FREE) of soil, etofenprox was mainly present in soil porewater as POC associated chemical. This resulted in an increase of this highly hydrophobic chemical movement towards groundwater and surface water, up to a factor of 40. The present work highlighted the importance of DOC and POC as an enhancer of mobility in the water of poor or very little mobile chemicals. Further studies are necessary to evaluate the bioavailability change with time and parameterize this process in multimedia fate models.
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Affiliation(s)
- E Terzaghi
- Department of Science and High Technology (DiSAT), University of Insubria, Como, Italy
| | - C M Vitale
- Department of Science and High Technology (DiSAT), University of Insubria, Como, Italy
| | - A Di Guardo
- Department of Science and High Technology (DiSAT), University of Insubria, Como, Italy
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Oliveira CR, Domingues CEC, de Melo NFS, Roat TC, Malaspina O, Jones-Costa M, Silva-Zacarin ECM, Fraceto LF. Nanopesticide based on botanical insecticide pyrethrum and its potential effects on honeybees. Chemosphere 2019; 236:124282. [PMID: 31323552 DOI: 10.1016/j.chemosphere.2019.07.013] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 06/10/2023]
Abstract
Nanotechnology has the potential to overcome the challenges of sustainable agriculture, and nanopesticides can control agricultural pests and increase farm productivity with little environmental impact. However, it is important to evaluate their toxicity on non-target organisms, such as honeybees (Apis mellifera) that forage on crops. The aims of this study were to develop a nanopesticide that was based on solid lipid nanoparticles (SLNs) loaded with pyrethrum extract (PYR) and evaluate its physicochemical properties and short-term toxicity on a non-target organism (honeybee). SLN + PYR was physicochemically stable after 120 days. SLN + PYR had a final diameter of 260.8 ± 3.7 nm and a polydispersion index of 0.15 ± 0.02 nm, in comparison with SLN alone that had a diameter of 406.7 ± 6.7 nm and a polydispersion index of 0.39 ± 0.12 nm. SLN + PYR had an encapsulation efficiency of 99%. The survival analysis of honeybees indicated that PYR10ng presented shorter longevity than those in the control group (P ≤ 0.01). Empty nanoparticles and PYR10ng caused morphological alterations in the bees' midguts, whereas pyrethrum-loaded nanoparticles had no significant effect on digestive cells, so are considered safer, at least in the short term, for honeybees. These results are important in understanding the effects of nanopesticides on beneficial insects and may decrease the environmental impacts of pesticides.
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Affiliation(s)
- Cristiane R Oliveira
- Universidade Estadual Paulista (UNESP) -"Júlio de Mesquita Filho", Instituto de Ciência e Tecnologia de Sorocaba, Laboratório de Nanotecnologia Ambiental, Av. Três de Março, 511, Alto da Boa Vista, 18087-180, Sorocaba, SP, Brazil; Universidade Federal de São Carlos (UFSCar), Campus Sorocaba, Departamento de Biologia (CCHB), Laboratório de Fisiologia da Conservação e Laboratório de Ecotoxicologia e Biomarcadores em Animais, Rodovia João Leme dos Santos km 110, Itinga, 18052-780, Sorocaba, SP, Brazil
| | - Caio E C Domingues
- Universidade Estadual Paulista (UNESP) -"Júlio de Mesquita Filho", Campus Rio Claro, Departamento de Biologia, Centro de Estudos de Insetos Sociais (CEIS), Av. 24 A, 1515, Jardim Bela Vista, 13506-900, Rio Claro, SP, Brazil
| | - Nathalie F S de Melo
- Faculdade de Medicina São Leopoldo Mandic, Campus Araras. Av. Dona Renata, 71, Santa Cândida, 13600-001, Araras, SP, Brazil
| | - Thaisa C Roat
- Universidade Estadual Paulista (UNESP) -"Júlio de Mesquita Filho", Campus Rio Claro, Departamento de Biologia, Centro de Estudos de Insetos Sociais (CEIS), Av. 24 A, 1515, Jardim Bela Vista, 13506-900, Rio Claro, SP, Brazil
| | - Osmar Malaspina
- Universidade Estadual Paulista (UNESP) -"Júlio de Mesquita Filho", Campus Rio Claro, Departamento de Biologia, Centro de Estudos de Insetos Sociais (CEIS), Av. 24 A, 1515, Jardim Bela Vista, 13506-900, Rio Claro, SP, Brazil
| | - Monica Jones-Costa
- Universidade Federal de São Carlos (UFSCar), Campus Sorocaba, Departamento de Biologia (CCHB), Laboratório de Fisiologia da Conservação e Laboratório de Ecotoxicologia e Biomarcadores em Animais, Rodovia João Leme dos Santos km 110, Itinga, 18052-780, Sorocaba, SP, Brazil
| | - Elaine C M Silva-Zacarin
- Universidade Federal de São Carlos (UFSCar), Campus Sorocaba, Departamento de Biologia (CCHB), Laboratório de Fisiologia da Conservação e Laboratório de Ecotoxicologia e Biomarcadores em Animais, Rodovia João Leme dos Santos km 110, Itinga, 18052-780, Sorocaba, SP, Brazil.
| | - Leonardo F Fraceto
- Universidade Estadual Paulista (UNESP) -"Júlio de Mesquita Filho", Instituto de Ciência e Tecnologia de Sorocaba, Laboratório de Nanotecnologia Ambiental, Av. Três de Março, 511, Alto da Boa Vista, 18087-180, Sorocaba, SP, Brazil.
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27
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Murcia-Morales M, Cutillas V, Fernández-Alba AR. Supercritical Fluid Chromatography and Gas Chromatography Coupled to Tandem Mass Spectrometry for the Analysis of Pyrethroids in Vegetable Matrices: A Comparative Study. J Agric Food Chem 2019; 67:12626-12632. [PMID: 31062971 DOI: 10.1021/acs.jafc.9b00732] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
This study describes a comprehensive comparison between supercritical fluid chromatography (SFC) and gas chromatography (GC) coupled to mass spectrometry for the analysis of pyrethroids in vegetable matrices. The ionization process used was electrospray ionization (ESI) in SFC and electron ionization in GC. In general, liquid chromatography coupled to mass spectrometry with ESI sources provides poor results for pyrethroid detection, as described in previous literature. A total of 14 pyrethroids were selected, together with 6 representative matrices. The differences in chromatographic separation and ionization process were assessed. Similar results were obtained in terms of sensitivity (limits of quantification close to 2 μg/kg, injecting the same amount of sample), matrix effect, and linearity. A total of 17 real samples were analyzed by both systems, obtaining similar results. These data suggest that SFC offers a suitable alternative to GC in the analysis of pyrethroids and allows for their inclusion in a wider multiresidue method.
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Affiliation(s)
- María Murcia-Morales
- Agrifood Campus of International Excellence (ceiA3), European Union Reference Laboratory for Pesticide Residues in Fruit and Vegetables, Department of Hydrogeology and Analytical Chemistry , University of Almería , Carretera Sacramento s/n , La Cañada de San Urbano, 04120 Almería , Spain
| | - Víctor Cutillas
- Agrifood Campus of International Excellence (ceiA3), European Union Reference Laboratory for Pesticide Residues in Fruit and Vegetables, Department of Hydrogeology and Analytical Chemistry , University of Almería , Carretera Sacramento s/n , La Cañada de San Urbano, 04120 Almería , Spain
| | - Amadeo R Fernández-Alba
- Agrifood Campus of International Excellence (ceiA3), European Union Reference Laboratory for Pesticide Residues in Fruit and Vegetables, Department of Hydrogeology and Analytical Chemistry , University of Almería , Carretera Sacramento s/n , La Cañada de San Urbano, 04120 Almería , Spain
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Liu H, Jiang L, Lu M, Liu G, Li T, Xu X, Li L, Lin H, Lv J, Huang X, Xu D. Magnetic Solid-Phase Extraction of Pyrethroid Pesticides from Environmental Water Samples Using Deep Eutectic Solvent-type Surfactant Modified Magnetic Zeolitic Imidazolate Framework-8. Molecules 2019; 24:E4038. [PMID: 31703405 PMCID: PMC6891655 DOI: 10.3390/molecules24224038] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 10/30/2019] [Accepted: 11/04/2019] [Indexed: 02/02/2023] Open
Abstract
A simple, sensitive and effective magnetic solid-phase extraction (MSPE) technique was developed for the extraction of pyrethroid pesticides from environmental water samples, followed by gas chromatography tandem triple quadrupole mass spectrometry determination. An adsorbent of magnetic zeolitic imidazolate framework-8@deep eutectic solvent (M-ZIF-8@DES) was prepared using deep eutectic solvent coated on the surface of M-ZIF-8. The features of M-ZIF-8@DES were confirmed by material characterizations, and the results indicated that M-ZIF-8@DES has a good magnetism (61.3 emu g-1), a decent surface area (96.83 m2 g-1) and pore volume (0.292 mL g-1). Single factor experiments were carried out to investigate the effect of different conditions on the performance of MSPE. Under the optimal conditions, the developed method performs good linearity (R2 ≥ 0.9916) in the concentration range of 1-500 μg L-1. The limits of detection were in the range of 0.05-0.21 μg L-1 (signal/noise = 3/1). The intraday relative standard deviation (RSD) and interday RSD were less than 9.40%. Finally, the proposed technique was applied for the determination of pyrethroid pesticides in environmental water samples. This work shows the potential of DES-modified metal-organic frameworks for different sample pretreatment techniques.
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Affiliation(s)
- Huifang Liu
- School of Life Science and Food Engeneering, Hebei University of Engeneering, Handan 056000, China
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Lihua Jiang
- School of Life Science and Food Engeneering, Hebei University of Engeneering, Handan 056000, China
| | - Meng Lu
- School of Life Science and Food Engeneering, Hebei University of Engeneering, Handan 056000, China
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Guangyang Liu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Tengfei Li
- School of Life Science and Food Engeneering, Hebei University of Engeneering, Handan 056000, China
| | - Xiaomin Xu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Lingyun Li
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Huan Lin
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Jun Lv
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Xiaodong Huang
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
| | - Donghui Xu
- Institute of Vegetables and Flowers, Chinese Academy of Agricultural Sciences, Key Laboratory of Vegetables Quality and Safety Control, Laboratory of Quality & Safety Risk Assessment for vegetable Products, Ministry of Agriculture and Rural Affairs of China, Beijing 100081, China
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Qin H, Zhou X, Gu D, Li L, Kan C. Preparation and Characterization of a Novel Waterborne Lambda-Cyhalothrin/Alkyd Nanoemulsion. J Agric Food Chem 2019; 67:10587-10594. [PMID: 31497957 DOI: 10.1021/acs.jafc.9b03681] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Inefficient usage and overdosage of conventional pesticide formulations has resulted in large economic losses and environmental pollution due to their poor water solubility and weak adhesion to foliage. In order to develop a green and efficient pesticide formulation, a kind of alkyd resin (AR) based on vegetable oil was first synthesized and used to fabricate the lambda-cyhalothrin/AR (LC/AR) nanoemulsion via in situ phase inverse emulsification, and its properties were then investigated. Results showed that the particle size of the LC/AR nanoemulsion was 50-150 nm with maximum LC loading capacity of as much as 40.9 wt %, high encapsulation efficiency >90%, and great stability in multiple environments. The LC/AR nanoemulsion exhibited better controlled release characteristics compared with LC commercial formulations, and a stronger adhesion on the foliage of the resulted nanoemulsion was also observed, which was attributed to low surface tension and strong interactions with foliar surfaces.
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Affiliation(s)
- He Qin
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education of China , Tsinghua University , Beijing 100084 , China
| | - Xiaoteng Zhou
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education of China , Tsinghua University , Beijing 100084 , China
| | - Danfei Gu
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education of China , Tsinghua University , Beijing 100084 , China
| | - Lingxiao Li
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education of China , Tsinghua University , Beijing 100084 , China
| | - Chengyou Kan
- Department of Chemical Engineering and Key Laboratory of Advanced Materials of Ministry of Education of China , Tsinghua University , Beijing 100084 , China
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Zhang W, Chen L, Diao J, Zhou Z. Effects of cis-bifenthrin enantiomers on the growth, behavioral, biomarkers of oxidative damage and bioaccumulation in Xenopus laevis. Aquat Toxicol 2019; 214:105237. [PMID: 31276910 DOI: 10.1016/j.aquatox.2019.105237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 06/22/2019] [Accepted: 06/25/2019] [Indexed: 06/09/2023]
Abstract
Chirality should be taken into consideration when assessing the effect of synthetic pyrethroids to aquatic environmental safety. In our study, 96 h acute toxicity assay showed that enantiomers of cis-BF had an addictive effect of toxicity on Xenopus laevis and R-cis-bifenthrin(R-cis-BF) had higher acute toxicity than S-cis-BF. In chronic assay, R-cis-BF exerted more toxic effect on behavior and development of tadpoles than S-cis-BF, and there was also enantioselective effect of cis-BF on antioxidant enzyme and LDH activity. Besides, thyroid development was also affected at the gene and hormone level, with varied effects observed with different exposure enantiomers. Moreover, in the enantioselective accumulation and tissue distribution of enantiomer assays, results showed that R-cis-BF had higher affinity to organisms than S-cis-BF. This study provided the evidence that chiral pesticides enantioselectively affected development of amphibians, and also shed light on the understanding of enantioselectivity in both acute and chronic eco-toxicities to improve risk assessment and regulation of chiral pesticides.
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Affiliation(s)
- Wenjun Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Yuanmingyuan West Road 2, Beijing, 100193, China; Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing, 100193, China
| | - Li Chen
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Yuanmingyuan West Road 2, Beijing, 100193, China; Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing, 100193, China
| | - Jinling Diao
- Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing, 100193, China
| | - Zhiqiang Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Yuanmingyuan West Road 2, Beijing, 100193, China; Department of Applied Chemistry, China Agricultural University, Yuanmingyuan West Road 2, Beijing, 100193, China.
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Zhao P, Dong X, Chen X, Guo X, Zhao L. Stereoselective Analysis of Chiral Pyrethroid Insecticides Tetramethrin and α-Cypermethrin in Fruits, Vegetables, and Cereals. J Agric Food Chem 2019; 67:9362-9370. [PMID: 31368700 DOI: 10.1021/acs.jafc.9b01850] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
This manuscript presents an effective and robust method for simultaneous stereoselective determination of two pyrethroid insecticides, tetramethrin and α-cypermethrin in different food products by high-performance liquid chromatography. Enantioseparation was carried out using reversed-phase chromatography, and the influences of four polysaccharide-based chiral columns, mobile phase composition, and column temperature on retention were fully investigated. Satisfactory separation was obtained on Chiralpak IG column using acetonitrile-water (75:25, v/v) under isocratic conditions. To extract and purify the target analytes from food matrices, matrix solid-phase dispersion was employed with C18 as dispersant and primary secondary amine as well as graphitized carbon black as cleanup sorbents. Response surface method based on Box-Behnken design was implemented to assist optimization of the extraction variables. Then, method validation was done in real samples including specificity, linearity, sensitivity, trueness, precision, as well as stability, and its analytical performance fulfills the criteria recommended by the European Union SANTE/11945/2015, demonstrating its applicability in studying the stereochemistry of chiral tetramethrin and α-cypermethrin in food products.
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Affiliation(s)
- Pengfei Zhao
- School of Pharmacy , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Xinyi Dong
- School of Pharmacy , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Xiaoming Chen
- Daicel Chiral Technologies (China) Co., Ltd , Shanghai 200131 , China
| | - Xingjie Guo
- School of Pharmacy , Shenyang Pharmaceutical University , Shenyang 110016 , China
| | - Longshan Zhao
- School of Pharmacy , Shenyang Pharmaceutical University , Shenyang 110016 , China
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Lu Z, Gan J, Cui X, Delgado-Moreno L, Lin K. Understanding the bioavailability of pyrethroids in the aquatic environment using chemical approaches. Environ Int 2019; 129:194-207. [PMID: 31129496 DOI: 10.1016/j.envint.2019.05.035] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 04/27/2019] [Accepted: 05/13/2019] [Indexed: 06/09/2023]
Abstract
Pyrethroids are a class of commonly used insecticides and are ubiquitous in the aquatic environment in various regions. Aquatic toxicity of pyrethroids was often overestimated when using conventional bulk chemical concentrations because of their strong hydrophobicity. Over the last two decades, bioavailability has been recognized and applied to refine the assessment of ecotoxicological effects of pyrethroids. This review focuses on recent advances in the bioavailability of pyrethroids, specifically in the aquatic environment. We summarize the development of passive sampling and Tenax extraction methods for assessing the bioavailability of pyrethroids. Factors affecting the bioavailability of pyrethroids, including physicochemical properties of pyrethroids, and quality and quantity of organic matter, were overviewed. Various applications of bioavailability on the assessment of bioaccumulation and acute toxicity of pyrethroids were also discussed. The final section of this review highlights future directions of research, including development of standardized protocols for measurement of bioavailability, establishment of bioavailability-based toxicity benchmarks and water/sediment quality criteria, and incorporation of bioavailability into future risk assessment and management actions.
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Affiliation(s)
- Zhijiang Lu
- College of Environmental and Resource Sciences, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China; Department of Environmental Sciences, University of California, Riverside, CA 92521, United States.
| | - Jay Gan
- Department of Environmental Sciences, University of California, Riverside, CA 92521, United States
| | - Xinyi Cui
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210046, China
| | - Laura Delgado-Moreno
- Estación Experimental del Zaidín, Spanish National Research Council (CSIC), Granada, Spain
| | - Kunde Lin
- The Fujian Provincial Key Laboratory for Coastal Ecology and Environmental Studies, College of the Environment and Ecology, Xiamen University, Xiamen 361102, China
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Xiang D, Qiao K, Song Z, Shen S, Wang M, Wang Q. Enantioselectivity of toxicological responses induced by maternal exposure of cis-bifenthrin enantiomers in zebrafish (Danio rerio) larvae. J Hazard Mater 2019; 371:655-665. [PMID: 30889462 DOI: 10.1016/j.jhazmat.2019.03.049] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 02/20/2019] [Accepted: 03/11/2019] [Indexed: 06/09/2023]
Abstract
The maternal transfer and developmental toxicity of chiral contaminants with respect to enantioselectivity have rarely been investigated. Here, the residues and toxicological responses of cis-BF, a typical chiral pesticide, were studied in the progeny of adult zebrafish exposed to cis-BF (0, 20, 100, and 500 ng/L) for 60 days. Cis-BF enantiomers exhibited the equal maternal transfer potentials. GC/MSD analysis showed that parental 1S-cis-BF exposure could disrupt the components of fatty acids in offspring embryos. In transcriptional expression, the whole differentially expressed genes were significantly enriched in GO categories, including the processes related to lipid biosynthesis/metabolism. The perturbations of fatty acids suggested that cis-BF has potential negative impacts on embryos' development. Furthermore, enantioselective growth inhibition and developmental neurotoxicity in larvae were also observed. The mRNA expressions of neuronal development genes were significantly changed in 1S-exposed offspring, so were the levels of the neurotransmitters and larval locomotion. Our results show that the cis-BF induced the growth inhibition and neurotoxicity in zebrafish larvae, which may be mediated by the development interference in embryos related to the disrupted fatty acid composition. Furthermore, the toxicological response to 1S-cis-BF was greater than that to the 1R-enantiomer in the offspring of exposed adults.
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Affiliation(s)
- Dandan Xiang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China; Institute of Fruit Tree Research, Guangdong Academy of Agricultural Sciences, Key laboratory of South Subtropical Fruit Biology and Genetic Resource Utilization (MOA), Guangdong Province Key Laboratory of Tropical and Subtropical Fruit Tree Research, Guangzhou 510640, PR China
| | - Kun Qiao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
| | - Zhuoying Song
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China; Qiushi College of Zhenjiang University, Hangzhou 310058, PR China
| | - Shuyuan Shen
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China; Qiushi College of Zhenjiang University, Hangzhou 310058, PR China
| | - Mengcen Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China
| | - Qiangwei Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310058, PR China.
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Kuhlmann J, Kretschmann AC, Bester K, Bollmann UE, Dalhoff K, Cedergreen N. Enantioselective mixture toxicity of the azole fungicide imazalil with the insecticide α-cypermethrin in Chironomus riparius: Investigating the importance of toxicokinetics and enzyme interactions. Chemosphere 2019; 225:166-173. [PMID: 30875499 DOI: 10.1016/j.chemosphere.2019.03.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 02/15/2019] [Accepted: 03/04/2019] [Indexed: 06/09/2023]
Abstract
The fungicide imazalil is a chiral compound with one R- and one S-enantiomer. Enantiomers, while having the same chemical properties, can differ in their biological activity expressed as efficacy/toxicity as well as in their degradation kinetics and pathways. Azoles such as imazalil have been shown to synergize the effect of pyrethroid insecticides like α-cypermethrin through inhibition of cytochrome P450 monooxygenase responsible for pyrethroid detoxification. The aim of this study was to investigate, if the enantiomers of imazalil are selective in their synergistic potential in a mixture with a pyrethroid insecticide tested in Chironomus riparius. Potential enantioselectivity was studied on the level of uptake and elimination, inhibition of cytochrome P450 activity measured in vitro and in vivo and on synergistic potential of α-cypermethrin induced immobilization. Synergy was measured as an increase in α-cypermethrin toxicity after 144h applying a constant non-lethal imazalil concentration of 0.65 μmol/L. The R- and S-imazalil enantiomers increased α-cypermethrin toxicity from an EC50 of 1580 ± 980 pmol/L to an EC50 of 83 ± 10 pmol/L and 53 ± 8 pmol/L, respectively. The relatively small potency difference between imazalil enantiomers could not be explained by the in vitro cytochrome P450 inhibition, as the IC50 values were similar (0.11 ± 0.01 and 0.09 ± 0.01 μmol/L for R- and S-imazalil). Measuring in vivo P450 inhibition and the toxicokinetic of imazalil did not show a clear trend of selectivity towards one or the other enantiomer. The study therefore suggests that cytochrome P450 enzymes involved in detoxification in C. riparius are not enantioselective for imazalil.
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Affiliation(s)
- Janna Kuhlmann
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark
| | - Andreas C Kretschmann
- Department of Pharmacy, Analytical Biosciences, University of Copenhagen, Universitetsparken 2, 2100, Copenhagen, Denmark
| | - Kai Bester
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000, Roskilde, Denmark
| | - Ulla E Bollmann
- Department of Environmental Science, Aarhus University, Frederiksborgvej 399, 4000, Roskilde, Denmark
| | - Kristoffer Dalhoff
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark
| | - Nina Cedergreen
- Department of Plant and Environmental Sciences, University of Copenhagen, Thorvaldsensvej 40, 1871, Frederiksberg, Denmark.
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Pitti Caballero J, Murillo L, List O, Bastiat G, Flochlay-Sigognault A, Guerino F, Lefrançois C, Lautram N, Lapied B, Apaire-Marchais V. Nanoencapsulated deltamethrin as synergistic agent potentiates insecticide effect of indoxacarb through an unusual neuronal calcium-dependent mechanism. Pestic Biochem Physiol 2019; 157:1-12. [PMID: 31153457 DOI: 10.1016/j.pestbp.2019.03.014] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 03/04/2019] [Accepted: 03/21/2019] [Indexed: 06/09/2023]
Abstract
The use of neurotoxic chemical insecticides has led to consequences against the environment, insect resistances and side-effects on non-target organisms. In this context, we developed a novel strategy to optimize insecticide efficacy while reducing doses. It is based on nanoencapsulation of a pyrethroid insecticide, deltamethrin, used as synergistic agent, combined with a non-encapsulated oxadiazine (indoxacarb). In this case, the synergistic agent is used to increase insecticide efficacy by activation of calcium-dependant intracellular signaling pathways involved in the regulation of the membrane target of insecticides. In contrast to permethrin (pyrethroid type I), we report that deltamethrin (pyrethroid type II) produces an increase in intracellular calcium concentration in insect neurons through the reverse Na/Ca exchanger. The resulting intracellular calcium rise rendered voltage-gated sodium channels more sensitive to lower concentration of the indoxacarb metabolite DCJW. Based on these findings, in vivo studies were performed on the cockroach Periplaneta americana and mortality rates were measured at 24 h, 48 h and 72 h after treatments. Comparative studies of the toxicity between indoxacarb alone and indoxacarb combined with deltamethrin or nanoencapsulated deltamethrin (LNC-deltamethrin), indicated that LNC-deltamethrin potentiated the effect of indoxacarb. We also demonstrated that nanoencapsulation protected deltamethrin from esterase-induced enzymatic degradation and led to optimize indoxacarb efficacy while reducing doses. Moreover, our results clearly showed the benefit of using LNC-deltamethrin rather than piperonyl butoxide and deltamethrin in combination commonly used in formulation. This innovative strategy offers promise for increasing insecticide efficacy while reducing both doses and side effects on non-target organisms.
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Affiliation(s)
- Javier Pitti Caballero
- Laboratoire Signalisation Fonctionnelle des Canaux Ioniques et des Récepteurs (SiFCIR), UPRES EA 2647, USC INRA 1330, SFR QUASAV 4207, UFR Sciences Université d'Angers, 2 boulevard Lavoisier, 49045 Angers, Cedex, France
| | - Laurence Murillo
- LIttoral ENvironnement et Sociétés (LIENSs), UMR 7266 CNRS, Université de La Rochelle, Institut du Littoral et de l'Environnement, 2 rue Olympe de Gouges, La Rochelle, France
| | - Olivier List
- Laboratoire Signalisation Fonctionnelle des Canaux Ioniques et des Récepteurs (SiFCIR), UPRES EA 2647, USC INRA 1330, SFR QUASAV 4207, UFR Sciences Université d'Angers, 2 boulevard Lavoisier, 49045 Angers, Cedex, France
| | - Guillaume Bastiat
- Micro et Nanomédecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, 4 rue Larrey, 49933 Angers, Cedex 9, France
| | | | - Frank Guerino
- Merck Animal Health, 2 Giralda Farms, Madison, NJ 07940-1026, USA
| | - Corinne Lefrançois
- Laboratoire Signalisation Fonctionnelle des Canaux Ioniques et des Récepteurs (SiFCIR), UPRES EA 2647, USC INRA 1330, SFR QUASAV 4207, UFR Sciences Université d'Angers, 2 boulevard Lavoisier, 49045 Angers, Cedex, France
| | - Nolwenn Lautram
- Micro et Nanomédecines Translationnelles, MINT, UNIV Angers, UMR INSERM 1066, UMR CNRS 6021, 4 rue Larrey, 49933 Angers, Cedex 9, France
| | - Bruno Lapied
- Laboratoire Signalisation Fonctionnelle des Canaux Ioniques et des Récepteurs (SiFCIR), UPRES EA 2647, USC INRA 1330, SFR QUASAV 4207, UFR Sciences Université d'Angers, 2 boulevard Lavoisier, 49045 Angers, Cedex, France
| | - Véronique Apaire-Marchais
- Laboratoire Signalisation Fonctionnelle des Canaux Ioniques et des Récepteurs (SiFCIR), UPRES EA 2647, USC INRA 1330, SFR QUASAV 4207, UFR Sciences Université d'Angers, 2 boulevard Lavoisier, 49045 Angers, Cedex, France.
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Stara J, Pekar S, Nesvorna M, Kamler M, Doskocil I, Hubert J. Spatio-temporal dynamics of Varroa destructor resistance to tau-fluvalinate in Czechia, associated with L925V sodium channel point mutation. Pest Manag Sci 2019; 75:1287-1294. [PMID: 30338625 DOI: 10.1002/ps.5242] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Revised: 08/30/2018] [Accepted: 10/13/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Extensive application of pyrethroids to control Varroa destructor, an invasive mite devastating bee colonies, has resulted in a global spread of resistant mite populations. In this study, we analyzed the spatio-temporal dynamics of resistant V. destructor populations in Czechia, stemming from the L925V mutation. Mites were collected during 2011-2018 directly or from winter beeswax debris, and polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) and densitometry was used to detect the L925V mutation. RESULTS Pooled samples of 10 mites were classified, based on their PCR-RFLP patterns, as tau-fluvalinate-sensitive (56%), resistant (9%), or mixed (35%), with the latter including sensitive and resistant homo- and heterozygotes. We identified two zones with higher frequencies of resistance, one in southern Moravia and the other in Bohemia. The mutant populations were evenly distributed throughout the monitored districts, with a few temporal and spatial local fluctuations. The greatest increase in resistance was observed in 2016, following massive losses of bee colonies in the winter of 2015. This event appeared to be closely associated with fluctuations in resistant mite populations and their dispersion. CONCLUSION Two outbreaks of resistance were detected in Czechia; however, the amount of applied tau-fluvalinate was not correlated with the frequency of resistance in mites. There was no remarkable increase in mite resistance in 2011-2018, although the use of tau-fluvalinate increased 40-fold between 2011 and 2015. PCR-RFLP analysis, performed on mites present in beeswax debris, is a suitable method for monitoring the L925V mutation in V. destructor. © 2018 Society of Chemical Industry.
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Affiliation(s)
| | - Stano Pekar
- Department of Botany and Zoology, Faculty of Science, Masaryk University, Brno, Czechia
| | | | - Martin Kamler
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Prague 6-Suchdol, Czechia
- Bee Research Institute at Dol, Libcice nad Vltavou, Czechia
| | - Ivo Doskocil
- Department of Microbiology, Nutrition and Dietetics, Czech University of Life Sciences Prague, Prague 6-Suchdol, Czechia
| | - Jan Hubert
- Crop Research Institute, Prague, Czechia
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Ji C, Yu C, Yue S, Zhang Q, Yan Y, Fan J, Zhao M. Enantioselectivity in endocrine disrupting effects of four cypermethrin enantiomers based on in vitro models. Chemosphere 2019; 220:766-773. [PMID: 30611075 DOI: 10.1016/j.chemosphere.2018.12.158] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 12/08/2018] [Accepted: 12/21/2018] [Indexed: 06/09/2023]
Abstract
Cypermethrin (CP) is a kind of chiral pesticides that has been defined as endocrine disrupting chemical. The diversity in bioactivity, toxicity, metabolism, bioaccumulation, and degradation behaviors of CP enantiomers as well as the research deficiency had made the risk assessment of CP enantiomers very complicated. Herein, four CP enantiomers were separated as target chemicals to investigate their enantioselective endocrine disrupting effects. Firstly, dual-luciferase reporter gene assays were adopted to investigate their potential endocrine disrupting effects via various receptors. The expression levels of steroid hormones related genes and hormone secretion levels in H295R cell were measured to verify the results. Results from the reporter gene assay showed that 1R-cis-αS-CP (CP11) exhibited glucocorticoid receptor (GR), mineralocorticoid receptor (MR), and thyroid receptor (TR) antagonistic activity with the RIC20 values of 9.22 × 10-7, 3.33 × 10-7, and 4.47 × 10-7 M, respectively; 1R-trans-αS-CP (CP21) also showed androgen receptor (AR) agonist activity and estrogen receptor (ER) antagonistic activity with the REC20 and RIC20 values were 1.07 × 10-4 M and 4.78 × 10-6 M, respectively. Results of qRT-PCR and hormone measurement also showed that CP11 and CP21 could disturb the expression of steroid hormones related genes and hormone secretion accordingly. Results provided here can help to understand the enantioselective ecological and health risks of CP enantiomers comprehensively and provide constructive guidance for the safe use of chiral pesticides and the invention of green pesticides.
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Affiliation(s)
- Chenyang Ji
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Chang Yu
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Siqing Yue
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Quan Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China
| | - Yilun Yan
- School of Chemistry and Environment, South China Normal University, Guangzhou, 510006, China
| | - Jun Fan
- School of Chemistry and Environment, South China Normal University, Guangzhou, 510006, China.
| | - Meirong Zhao
- College of Environment, Zhejiang University of Technology, Hangzhou, 310032, China.
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Peng Y, Xiao D, Yu G, Feng Y, Li J, Zhao X, Tang Y, Wang L, Zhang Q. Effect of an eco-friendly o/w emulsion stabilized with amphiphilic sodium alginate derivatives on lambda-cyhalothrin adsorption-desorption on natural soil minerals. J Environ Sci (China) 2019; 78:230-238. [PMID: 30665641 DOI: 10.1016/j.jes.2018.09.025] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 09/29/2018] [Accepted: 09/30/2018] [Indexed: 06/09/2023]
Abstract
The effects of amphiphilic O/W emulsions, stabilized by the alkyl polyglycoside (APG) or cholesterol-grafted sodium alginate (CSAD)/APG systems, on lambda-cyhalothrin adsorption/desorption mechanisms on natural soil minerals (i.e., illite and kaolinite) were investigated. Sorption and desorption of lambda-cyhalothrin onto soil minerals was studied via batch equilibration to give insight into the adsorption equilibrium, kinetics, and thermodynamics of lambda-cyhalothrin adsorption onto minerals. The results indicate the following: (i) The adsorption processes for the APG system and CSAD/APG system include: rapid adsorption, slow adsorption, and adsorption equilibrium. The adsorption kinetics of pesticide on illite and kaolinite are in accordance with the Ho and McKay model, and the adsorption isotherm conforms to the Freundlich model. In addition, the adsorption processes of pesticide for the two systems on minerals were spontaneous and feasible (ΔG0 < 0), endothermic (ΔH0 > 0), and mainly involved chemical bonding (ΔH0 > 60). (ii) The equilibrium adsorption percentages of the pesticide on illite for the APG system and CSAD/APG system were 42.4% and 64.8%, and the corresponding equilibrium adsorption percentages on kaolinite were 40.8% and 61.8%, respectively. Moreover, the pesticide adsorption rate K2-CSAD/APG was faster than K2-APG, and its adsorption capacity Kf-CSAD/APG was greater than Kf-APG. Meanwhile, the pesticide desorption Kfd in the CSAD/APG system was smaller than that in the APG system. As a result, this eco-friendly O/W emulsion based on amphiphilic sodium alginate derivatives might provide a green pesticide formulation, since it could reduce the amount of lambda-cyhalothrin entering aquatic systems to threaten non-target fish and invertebrate species.
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Affiliation(s)
- Yang Peng
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
| | - Dunchao Xiao
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
| | - Gaobo Yu
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
| | - Yuhong Feng
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China.
| | - Jiacheng Li
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China.
| | - Xinyu Zhao
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
| | - Yiyuan Tang
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
| | - Longzheng Wang
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
| | - Quan Zhang
- Key Laboratory of Advanced Materials of Tropical Island Resources, Ministry of Education, College of Materials and Chemical Engineering, Hainan University, 58 Renmin Road, Haikou 570228, Hainan Province, China
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Yuan L, Yang X, Yu X, Wu Y, Jiang D. Resistance to insecticides and synergistic and antagonistic effects of essential oils on dimefluthrin toxicity in a field population of Culex quinquefasciatus Say. Ecotoxicol Environ Saf 2019; 169:928-936. [PMID: 30597793 DOI: 10.1016/j.ecoenv.2018.11.115] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2018] [Revised: 11/23/2018] [Accepted: 11/25/2018] [Indexed: 06/09/2023]
Abstract
In this work, we firstly tested five spatial repellent pyrethroids, meperfluthrin, dimefluthrin, heptafluthrin, metofluthrin and transfluthrin, to determine the susceptibility of pyrethroids to field strains of Culex quinquefasciatus using adult topical bioassay. The results showed that though field strains exhibited the highest resistance to dimefluthrin among the selected five pyrethroids, it still can be considered low resistance in the scale of Cui et al. (2006; 2007). Then, the aim of this study was to optimise the synergistic efficacy of essential oils combined with dimefluthrin and explore the major contribution composition of eucalyptus oil, basil oil and cinnamon oil as natural synergist of dimefluthrin against the field populations of C. quinquefasciatus. GC-MS analysis showed 1,8-cineole, eugenol and trans-cinnamaldehyde were the main chemical components of eucalyptus oil, basil oil and cinnamon oil, respectively. The results of bioactivity showed that eucalyptus oil and 1,8-cineole have highly fumigant knock-down activity to the adults, showing KT50 (the median knockdown time) of 5.76 and 4.27 min at the concentration of 24.2 µL/L; basil oil and eugenol, cinnamon oil and trans-cinnamaldehyde have highly fumigant toxicity to the adults, showing LD50 of 1.00 and 0.79, 1.26 and 1.03 µL/L, respectively. Three effective main essential oil components were selected to prepare binary mixtures, which combined with dimefluthrin against the field population of Culex quinquefasciatus. 1,8-cineole+eugenol (9:1, w/w), 1,8-cineole+trans-cinnamaldehyde (1:1, w/w) and trans-cinnamaldehyde+eugenol (9:1, w/w) combined with dimefluthrin (10:1, w/w) were the most synergistic interaction, showed SR (synergistic ratio) values of 1.2471, 1.5709 and 1.1969; KT50 of 11.68, 9.51 and 10.67 min respectively, by quadrate box method. In addition, to validate the stable synergistic interaction of 1,8-cineole+trans-cinnamaldehyde (1:1, w/w) combined with dimefluthrin (10:1, w/w), the SR values were about 1.3, and KT50 values were 38.72-50.26 min by simulated house method. Overall, our results pointed out the promising potential of these essential oils to increase the efficacy of dimefluthrin. It might be expected that these essential oils could be developed to a useful botanical synergist of dimefluthrin for the control of the field populations of C. quinquefasciatus.
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Affiliation(s)
- Liang Yuan
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China
| | - Xiaodong Yang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China
| | - Xihui Yu
- Zhongshan Lanju Daily Chemical Industrial Co., Ltd., Zhongshan 528400, Guangdong, PR China
| | - Yinghua Wu
- Zhongshan Lanju Daily Chemical Industrial Co., Ltd., Zhongshan 528400, Guangdong, PR China
| | - Dingxin Jiang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Education, Laboratory of Insect Toxicology, South China Agricultural University, Guangzhou 510642, PR China.
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Pavela R, Benelli G, Petrelli R, Cappellacci L, Lupidi G, Sut S, Dall'Acqua S, Maggi F. Exploring the Insecticidal Potential of Boldo ( Peumus boldus) Essential Oil: Toxicity to Pests and Vectors and Non-target Impact on the Microcrustacean Daphnia magna. Molecules 2019; 24:E879. [PMID: 30832296 PMCID: PMC6429277 DOI: 10.3390/molecules24050879] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2019] [Revised: 02/22/2019] [Accepted: 02/24/2019] [Indexed: 12/18/2022] Open
Abstract
Every year Chile exports about 2000 tons of boldo folium (Peumus boldus), which is used around the world as a traditional herbal medicinal product (THMP), mostly to relieve gastrointestinal disorders. This biomass may be a resource for the agrochemical industry to manufacture botanical insecticides. In this regard, the insecticidal potential of boldo has been poorly investigated. In the present work, hydrodistillation of a commercial boldo folium gave 1.5% (w/w) of a yellowish essential oil (boldo essential oil, BEO) containing 1,8-cineole (20.7%), p-cymene (18.5%), limonene (9.1%), ascaridole (9.1%) and β-phellandrene (6.4%) as the main constituents, as determined by gas chromatography-mass spectrometry (GC-MS). NMR analysis allowed us to determine that ascaridole was mainly represented by the cis-isomer. BEO was toxic to larvae of the filariasis vector Culex quinquefasciatus and adults of the housefly Musca domestica, showing LC50/LD50 values of 67.9 mg·L-1 and 98.5 µg·adult-1, respectively. On the other hand, lower insecticidal activity was observed against larvae of the moth pest Spodoptera littoralis (LD50 of 268.9 µg·larva-1). It is worth noting that, when tested at LC90 concentration, BEO was significantly less toxic to aquatic microcrustacean Daphnia magna than the conventional insecticide α-cypermethrin. Finally, in the attempt to explore the BEO mode of action, we tested it for acetylcholinesterase (AChE) inhibitory properties using the Ellman method, obtaining negligible effects (IC50 = 0.45 mg·mL-1). Taken together, these results gave new insights into the potential of BEO as a future ingredient of botanical insecticides.
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Affiliation(s)
- Roman Pavela
- Crop Research Institute, Drnovska 507, 161 06 Prague, Czech Republic.
- Department of Plant Protection, Czech University of Life Sciences Prague, Kamycka 129, 165 00 Praha 6-Suchdol, Czech Republic.
| | - Giovanni Benelli
- Department of Agriculture, Food and Environment, University of Pisa, via del Borghetto 80, 56124 Pisa, Italy.
| | - Riccardo Petrelli
- School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032 Camerino Italy.
| | - Loredana Cappellacci
- School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032 Camerino Italy.
| | - Giulio Lupidi
- School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032 Camerino Italy.
| | - Stefania Sut
- Department of Agronomy, Food, Natural Resources, Animals and Environment (DAFNAE), Agripolis Campus, University of Padova, 35020 Legnaro, Italy.
| | - Stefano Dall'Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Via Marzolo, 35121 Padova, Italy.
| | - Filippo Maggi
- School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032 Camerino Italy.
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Chang J, Xu P, Li W, Li J, Wang H. Enantioselective Elimination and Gonadal Disruption of Lambda-Cyhalothrin on Lizards ( Eremias argus). J Agric Food Chem 2019; 67:2183-2189. [PMID: 30721048 DOI: 10.1021/acs.jafc.8b05990] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
In this study, the different metabolic pathways of lambda-cyhalothrin (LCT) enantiomers in Eremias argus feces and enantioselective disruption on hypothalamus-pituitary-gonad (HPG) system were investigated. After 7 days oral exposure to LCT enantiomers, the concentration of 3-phenoxybenzoic acid (PBA), hydroxylated and sulfated LCT were higher in the (+)-LCT exposure group than that in the (-)-LCT exposure group, which indicated a higher metabolic rate of (+)-LCT than (-)-LCT. Although no significant differences were seen on lizard body weight after enantiomers' exposure, the gonadosomatic index was dramatically decreased. The testicular impacts such as increased seminiferous tubule diameters were only observed in the (+)-LCT exposure group. Consistent with this result, the expression of ar gene in the (+)-LCT exposure was significantly higher than that in the (-)-LCT exposure group. In addition, the stronger binding affinity of AR with (+)-LCT further demonstrated the more serious disruption of (+)-LCT on lizard HPG axis than (-)-LCT. This study first elucidated the metabolic pathway and endocrine effects of LCT in lizards at enantiomeric level and provided some evidence for lizard population decline.
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Affiliation(s)
- Jing Chang
- Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Shuangqing Road 18 , Beijing 100085 , China
| | - Peng Xu
- Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Shuangqing Road 18 , Beijing 100085 , China
| | - Wei Li
- Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Shuangqing Road 18 , Beijing 100085 , China
| | - Jitong Li
- Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Shuangqing Road 18 , Beijing 100085 , China
| | - Huili Wang
- Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Shuangqing Road 18 , Beijing 100085 , China
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42
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Bownik A, Kowalczyk M, Bańczerowski J. Lambda-cyhalothrin affects swimming activity and physiological responses of Daphnia magna. Chemosphere 2019; 216:805-811. [PMID: 30396141 DOI: 10.1016/j.chemosphere.2018.10.192] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2018] [Revised: 10/26/2018] [Accepted: 10/27/2018] [Indexed: 05/07/2023]
Abstract
λ-cyhalotrin is a pyrethroid pesticide used for protection of crops against various insect pests. Knowledge on behavioural and physiological responses of non-target organisms such as cladocerans is very limited. Daphnia is a sensitive organism commonly used in determination of ecotoxicological risk for various substances introduced to aquatic environment, however the main experimental endpoints used such as mortality or immobilisation may not be sufficient to evaluate subtle alterations in zooplankton. The aim of the present study was to evaluate swimming behaviour and physiological parameters of Daphnia magna exposed to λ-cyhalothrin (Karate Zeon 050 CS) at concentrations of 0.05, 0.5, 5 and 50 μg L-1 for 2, 24 and 48 h. The results showed that λ-cyhalothrin affected D. magna swimming behaviour inducing a concentration-dependent inhibition of swimming track density, speed and turning ability. Depression of physiological parameters such as heart rate and thoracic limb activity was also noted. The results suggest that in natural conditions swimming behaviour and physiological endpoints of D. magna may be disturbed by environmental concentrations of λ-cyhalothrin leading to ecological consequences.
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Affiliation(s)
- Adam Bownik
- Institute of Biological Basis of Animal Production, University of Life Sciences in Lublin, Poland, 13 Akademicka Str, 20-950 Lublin, Poland.
| | - Michał Kowalczyk
- Institute of Biological Basis of Animal Production, University of Life Sciences in Lublin, Poland, 13 Akademicka Str, 20-950 Lublin, Poland
| | - Jan Bańczerowski
- Institute of Biological Basis of Animal Production, University of Life Sciences in Lublin, Poland, 13 Akademicka Str, 20-950 Lublin, Poland
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Miah MA, Elzaki MEA, Husna A, Han Z. An overexpressed cytochrome P450 CYP439A1v3 confers deltamethrin resistance in Laodelphax striatellus Fallén (Hemiptera: Delphacidae). Arch Insect Biochem Physiol 2019; 100:e21525. [PMID: 30511429 DOI: 10.1002/arch.21525] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Deltamethrin resistance in Laodelphax striatellus had been associated with its oxidative detoxification by overexpression of four cytochrome P450 monooxygenases like CYP353D1v2, CYP6FU1, CYP6AY3v2, and CYP439A1v3. The first three P450s have been validated for insecticide-metabolizing capability and only CYP6FU1 was found to degrade deltamethrin. In this study, an investigation was conducted to confirm the capability of CYP439A1v3 to degrade deltamethrin. The CYP439A1v3 was first expressed in Sf9 cell line and its recombinant enzyme was tested for metabolic activity against different insecticides using substrate depletion assay combined with metabolite identification. Sodium dodecyl sulfate-polyacrylamide gel electrophoresis (SDS-PAGE) and carbon monoxide (CO)-difference spectra analysis showed that the intact cytochrome P450 protein was successfully expressed. Tests with probe substrates proved its enzyme activity, as p-nitroanisole, ethoxycoumarin, and ethoxyresorufin were preferentially metabolized (specific activity 7.767 ± 1.22, 1.325 ± 0.37, and 0.355 ± 0.37 nmol/min per mg of protein, respectively) while only luciferin-HEGE was not. In vitro incubation of the recombinant CYP439A1v3 protein with deltamethrin revealed hydroxylation by producing hydroxydeltamethrin. On the contrary, no metabolite/metabolism was seen with nonpyrethroid insecticide, including imidacloprid, buprofezin, chlorpyrifos, and fipronil. To the best of our knowledge, this is the first study to link a CYP450 from family 439 to confer pyrethroid resistance to L. striatellus. This finding should help in the design of appropriate insecticide resistance management for control of this strain of L. striatellus.
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Affiliation(s)
- Mohammad Asaduzzaman Miah
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, The Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing, Jiangsu, China
- Faculty of Agriculture, Patuakhali Science and Technology University, Bangladesh
- Department of Biology, School of Distance Education, Universiti Sains Malaysia, Penang, Malaysia
| | - Mohammed Esmail Abdalla Elzaki
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, The Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing, Jiangsu, China
| | - Asmaul Husna
- Faculty of Agriculture, Patuakhali Science and Technology University, Bangladesh
- Department of Biology, School of Distance Education, Universiti Sains Malaysia, Penang, Malaysia
| | - Zhaojun Han
- Department of Entomology, College of Plant Protection, Nanjing Agricultural University, The Key Laboratory of Monitoring and Management of Plant Diseases and Insects, Ministry of Agriculture, Nanjing, Jiangsu, China
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Zhang J, Song C, Zhang C, Hu G, Meng S, Qiu L, Fan L, Zheng Y, Liu Y, Chen J. Effects of multiple environmental factors on elimination of fenvalerate and its cis-trans isomers in aquaculture water. Environ Sci Pollut Res Int 2019; 26:3795-3802. [PMID: 30539394 DOI: 10.1007/s11356-018-3916-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Accepted: 12/04/2018] [Indexed: 06/09/2023]
Abstract
Fenvalerate (FV) is widely used in aquaculture because of their broad spectrums and high efficiency. However, little is known regarding the elimination of FV influenced by environment factors in aquaculture water, especially its cis-trans isomers (cis-FV and trans-FV). In the present study, factors influencing the aquaculture environment (open type, temperature, pH and light) were selected, and the elimination dynamics of FV and its cis-trans isomers in aquaculture water using orthogonal experiments were investigated. The results showed that the half-life and elimination rate range of FV were 4.75-11.95 days and 65-93%, respectively, while those of trans-FV were 4.60-11.82 days and 67-93% and those of cis-FV were 4.94-12.04 days and 64-92%, respectively. The elimination rate of trans-FV was better than that of cis-FV. Additionally, analysis of variance (ANOVA) of the orthogonal experimental data indicated that the environmental factors of open type, temperature, and pH significantly influenced the elimination rate of cis- and trans-FV (P < 0.05), that is, in the aquaculture season, high temperature and pH facilitate to eliminate FV. This study would improve our understanding of natural degradation associated with FV and guide safe to use associated with pesticide in aquaculture.
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Affiliation(s)
- Jingwei Zhang
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, People's Republic of China
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Chao Song
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, People's Republic of China
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Cong Zhang
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Gengdong Hu
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Shunlong Meng
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Liping Qiu
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Limin Fan
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Yao Zheng
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China
| | - Ying Liu
- Wuxi agriculture committee, Wuxi, People's Republic of China
| | - Jiazhang Chen
- Wuxi Fisheries College, Nanjing Agricultural University, Wuxi, People's Republic of China.
- Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi, People's Republic of China.
- Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Environmental Factors (Wuxi), Ministry of Agriculture and Rural Affairs, Wuxi, People's Republic of China.
- Key Laboratory of Control of Quality and Safety for Aquatic Products, Ministry of Agriculture and Rural Affairs, Beijing, People's Republic of China.
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Wang C, Cui B, Zhao X, Wang Y, Zeng Z, Sun C, Yang D, Liu G, Cui H. Optimization and characterization of lambda-cyhalothrin solid nanodispersion by self-dispersing method. Pest Manag Sci 2019; 75:380-389. [PMID: 29923675 DOI: 10.1002/ps.5122] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 04/20/2018] [Accepted: 06/11/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Pesticide is an important agricultural necessity to control plant diseases and pests, ensuring safe production of food. However, the low efficacy, large dosage and high-frequency use of conventional pesticide formulation seriously induced food safety and ecological environment issues. In this research, lambda-cyhalothrin solid nanodispersion (LCSND) was developed by a self-dispersing method. RESULTS The mean particle size of the lambda-cyhalothrin solid nanodispersion was 32.7 ± 1.1 nm. It exhibited excellent dispersibility, wettability and stability, especially the improved bioavailability compared to the commercial formulations. Notably, the solid nanodisperison had a small particle size and large specific surface area. The solid nanodispersion without organic solvents can minimize the environment pollution and overcome the instability characteristic of the liquid formulations. CONCLUSION Therefore, lambda-cyhalothrin solid nanodispersion has broad application prospects in agricultural production and environmental protection. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Chunxin Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Bo Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xiang Zhao
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yan Wang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Zhanghua Zeng
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Changjiao Sun
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Dongsheng Yang
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Guoqiang Liu
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Haixin Cui
- Institute of Environment and Sustainable Development in Agriculture, Chinese Academy of Agricultural Sciences, Beijing, China
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Abstract
Pyrethroid insecticides contain natural pyrethrins extracted from pyrethrum flowers, and their synthetic derivatives, pyrethroids. The present article provides an overview of the structure of natural pyrethrins, and the discovery and development of pyrethroids with an emphasis on the background of selected compounds. The stereochemical relationships among pyrethroid secondary alcohols, and toxicologic and environmental effects of pyrethroids are also discussed. Finally, the pyrethroid resistance of mosquitoes and future aspects of pyrethroids are addressed.
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Affiliation(s)
- Noritada MATSUO
- School of Science and Technology, Kwansei Gakuin University, Sanda, Hyogo, Japan
- SC Environmental Science Co., Ltd., Osaka, Japan
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Yao G, Gao J, Zhang C, Jiang W, Wang P, Liu X, Liu D, Zhou Z. Enantioselective degradation of the chiral alpha-cypermethrin and detection of its metabolites in five plants. Environ Sci Pollut Res Int 2019; 26:1558-1564. [PMID: 30443721 DOI: 10.1007/s11356-018-3594-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 10/24/2018] [Indexed: 06/09/2023]
Abstract
Alpha-cypermethrin (α-cypermethrin), an important chiral pyrethroid insecticide, is frequently detected in human samples. Because of the possible human health risks caused by α-cypermethrin, we studied dynamics, residues, and metabolism of α-cypermethrin in five common vegetables (tomato, cucumber, rape, cabbage, and pepper) on enantiomeric levels after foliar spray. α-Cypermethrin was qualified by a HP-5 column and its enantiomers could be separated by gas chromatograph (GC) using a BGB-172 chiral column. The results of degradation showed that α-cypermethrin dissipated rapidly in vegetables with half-lives being only 2.85-8.88 days. Stereoselective degradation was observed on pepper and cucumber while the two metabolites (cis-DCCA and 3-PBA) of α-cypermethrin were not detected during its dissipation in all plants. This is the first evidence of enantioselective degradation of α-cypermethrin in the five common vegetables and the results should be considered in future environmental risk and food safety evaluations.
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Affiliation(s)
- Guojun Yao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Jing Gao
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Chuntao Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Wenqi Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Peng Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Xueke Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Donghui Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China
| | - Zhiqiang Zhou
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing, 100193, People's Republic of China.
- College of Science, China Agricultural University, No.2 Yuanmingyuan West Road, Beijing, 100193, People's Republic of China.
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48
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Coura-Vital W, Leal GGDA, Marques LA, Pinheiro ADC, Carneiro M, Reis AB. Effectiveness of deltamethrin-impregnated dog collars on the incidence of canine infection by Leishmania infantum: A large scale intervention study in an endemic area in Brazil. PLoS One 2018; 13:e0208613. [PMID: 30532255 PMCID: PMC6287856 DOI: 10.1371/journal.pone.0208613] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 11/20/2018] [Indexed: 11/18/2022] Open
Abstract
To reduce morbidity and mortality caused by visceral leishmaniasis (VL), the Brazilian Visceral Leishmaniasis Control and Surveillance Program promotes the diagnosis and treatment of cases, vector control, euthanasia of seropositive dogs, and health education. Nevertheless, the effectiveness of these measures is questionable as they lead to little reduction in the transmission of the disease. Thus, the effectiveness of strategies such as insecticide-impregnated collars, spot-on insecticides, and immunization of dogs should be assessed. Herein, we evaluated the effectiveness of deltamethrin-impregnated collars on reducing the incidence of Leishmania infantum infection in dogs living in an endemic area of VL. An intervention study was conducted and a total 5,850 dogs were analyzed in baseline. Of these 3,742 seronegative dogs were divided into two groups: collared and uncollared (control). Dogs were followed for 12 months and three interventions were performed. The Cox regression model was used to evaluate the effectiveness of the collar. All analyzes were performed by Intention-to-treat and per-protocol. By intention-to-treat, the incidence rates of L. infantum infection were 7.5 and 7.9 in the collar group, and 6.5 and 13.2 per 1,000 dogs-months in the control group after 6 and 12 months, respectively. In the per-protocol analysis, the incidence rates in the control group were similar to those observed in the intention-to-treat analysis. In the collar group, the incidence rate was 5.1/1,000 dogs-months after 6 and 12 months. The effectiveness by intention-to-treat after adjustment by the multivariate Cox model was 48%. In the analysis per-protocol, the effectiveness increased to 63%. Although collar use was effective when it was evaluated by intention-to-treat, higher effectiveness was found in the per-protocol analysis after one year of follow-up. The data emphasize the importance of the uninterrupted use of deltamethrin-impregnated collars to increase protection against canine VL.
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Affiliation(s)
- Wendel Coura-Vital
- Programa de Pós-Graduação em Ciências Farmacêuticas, Departamento de Análises Clínicas, Escola de Farmácia, Universidade Federal de Ouro Preto, Minas Gerais, Brazil
- Laboratório de Imunopatologia, Programa de Pós-Graduação em Ciências Biológicas, Núcleo de Pesquisa em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brazil
- * E-mail:
| | - Gleisiane Gomes de Almeida Leal
- Laboratório de Imunopatologia, Programa de Pós-Graduação em Ciências Biológicas, Núcleo de Pesquisa em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brazil
| | - Luana Araújo Marques
- Centro de Controle de Zoonoses, Secretaria Municipal de Saúde, Governador Valadares, Minas Gerais, Brazil
| | - Aimara da Costa Pinheiro
- Centro de Controle de Zoonoses, Secretaria Municipal de Saúde, Governador Valadares, Minas Gerais, Brazil
| | - Mariângela Carneiro
- Laboratório de Epidemiologia das Doenças Infecciosas e Parasitárias, Departamento de Parasitologia, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Alexandre Barbosa Reis
- Laboratório de Imunopatologia, Programa de Pós-Graduação em Ciências Biológicas, Núcleo de Pesquisa em Ciências Biológicas, Universidade Federal de Ouro Preto, Ouro Preto, Minas Gerais, Brazil
- Instituto Nacional de Ciência e Tecnologia em Doenças Tropicais—INCT-DT, Salvador, Bahia, Brazil
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49
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Bibbs CS, Tsikolia M, Bloomquist JR, Bernier UR, Xue RD, Kaufman PE. Vapor toxicity of five volatile pyrethroids against Aedes aegypti, Aedes albopictus, Culex quinquefasciatus, and Anopheles quadrimaculatus (Diptera: Culicidae). Pest Manag Sci 2018; 74:2699-2706. [PMID: 29797795 DOI: 10.1002/ps.5088] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 05/21/2018] [Accepted: 05/21/2018] [Indexed: 05/07/2023]
Abstract
BACKGROUND Mosquito mortality has been documented in numerous studies of spatial repellents but the concentration-dependent toxicity of spatial repellent vapors has not been documented. To address this issue, prallethrin, flumethrin, metofluthrin, transfluthrin, and meperfluthrin were selected for comparative study against Aedes albopictus (Skuse), Ae. aegypti (L.), Culex quinquefasciatus Say, and Anopheles quadrimaculatus Say. Mosquito were exposed to vapors of each chemical for 2, 4, and 24 h with mortality recorded at each time point. A second experiment involved exposing mosquitoes to vapors for 2 h, then transferring them to untreated holding containers and held for 24 h. For these mosquitoes, readings were only taken after 24 h to allow for metabolic detoxification and recovery. RESULTS LC50 and LC90 data indicated that transfluthrin and meperfluthrin had the greatest toxicity across all species, followed by metofluthrin, prallethrin, and flumethrin. CONCLUSION Our findings, through the direct comparison of these compounds, suggest that transfluthrin, meperfluthrin, and metofluthrin be considered for further development. The vapor toxicity for the aforementioned compounds significantly exceeds prallethrin, which is currently market available as an adulticidal active ingredient in public health pest control. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Christopher S Bibbs
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
- Anastasia Mosquito Control District, St Augustine, FL, USA
| | - Maia Tsikolia
- Entomology and Nematology Department, Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | - Jeffrey R Bloomquist
- Entomology and Nematology Department, Emerging Pathogens Institute, University of Florida, Gainesville, FL, USA
| | - Ulrich R Bernier
- United States Department of Agriculture, Agricultural Research Service, Center for Medical, Agricultural, and Veterinary Entomology, Gainesville, FL, USA
| | - Rui-De Xue
- Anastasia Mosquito Control District, St Augustine, FL, USA
| | - Phillip E Kaufman
- Entomology and Nematology Department, University of Florida, Gainesville, FL, USA
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50
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Saeed R, Abbas N, Razaq M, Mahmood Z, Naveed M, Ur Rehman HM. Field evolved resistance to pyrethroids, neonicotinoids and biopesticides in Dysdercus koenigii (Hemiptera: Pyrrhocoridae) from Punjab, Pakistan. Chemosphere 2018; 213:149-155. [PMID: 30216815 DOI: 10.1016/j.chemosphere.2018.09.042] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 09/05/2018] [Accepted: 09/06/2018] [Indexed: 05/06/2023]
Abstract
The red cotton bug, Dysdercus koenigii (Fabricius) is an important emerging economic pest of cotton, Gossypium hirsutum Linnaeus in Pakistan. Insecticides are the primary management tactics to suppress populations of this pest. However, resistance to insecticides evolves due to substantial and repeated applications. The resistance to pyrethroids, neonicotinoids and biopesticides have been evaluated in many pests worldwide, nevertheless lack of information in D. koenigii. Therefore, the aforementioned insecticide resistance in five field populations of D. koenigii collected from Multan, Makhdoom Rashid, Jahanian, Lodhran and Vehari districts of Punjab, Pakistan during 2015-2017 was determined by using seed dip method. Based on the present results, D. koenigii has developed moderate to very high resistance to acetamiprid (RR = 33-433) and imidacloprid (RR = 21-173), low to high resistance to emamectin benzoate (RR = 14-52), and very low to high resistance to spinosad (RR = 4.13-54), compared to the susceptible population. However, all field populations of D. koenigii remained susceptible to deltamethrin (RR = 0.62-2.17) and lambda-cyhalothrin (RR = 0.91-1.97). A rotational use of pyrethroids with provision of other integrated pest management tactics is recommended to manage insecticide resistance in D. koenigii.
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Affiliation(s)
- Rabia Saeed
- Entomology Section, Central Cotton Research Institute, Multan, Pakistan
| | - Naeem Abbas
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan.
| | - Muhammad Razaq
- Department of Entomology, Faculty of Agricultural Sciences and Technology, Bahauddin Zakariya University, Multan, Pakistan.
| | - Zahid Mahmood
- Entomology Section, Central Cotton Research Institute, Multan, Pakistan
| | - Muhammad Naveed
- Entomology Section, Central Cotton Research Institute, Multan, Pakistan
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