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Lu Q, Liu L, Li J, Song S, Kuang H, Xu C, Guo L. Rapid and sensitive quantitation of amitraz in orange, tomato, and eggplant samples using immunochromatographic assay. Food Chem 2024; 446:138899. [PMID: 38452506 DOI: 10.1016/j.foodchem.2024.138899] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 02/11/2024] [Accepted: 02/27/2024] [Indexed: 03/09/2024]
Abstract
Amitraz (AMT) is a broad-spectrum formamidine insecticide and acaricide. In this study, we produced an anti-AMT monoclonal antibody (mAb) with high performance. The half-maximal inhibitory concentration of the anti-AMT mAb was 4.418 ng/mL, the cross reactivity with other insecticides was negligible, and an affinity constant was 2.06 × 109 mmol/L. Additionally, we developed an immunochromatographic assay for the rapid detection of AMT residues in oranges, tomatoes, and eggplants. The cut-off values were 2000 μg/kg in oranges and tomato samples and 1000 μg/kg in eggplant samples and the calculated limits of detection were 14.521 μg/kg, 6.281 μg/kg, and 3.518 μg/kg in oranges, tomatoes, and eggplants, respectively, meeting the detection requirements for AMT in fruits and vegetables. The recovery rates ranged between 95.8 % and 105.2 %, consistent with the recovery rates obtained via LC-MS/MS. Our developed immunochromatographic assay can effectively, accurately, and rapidly determine AMT residues in oranges, tomatoes, and eggplants.
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Affiliation(s)
- Qianqian Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Liqiang Liu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Jinyan Li
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Shanshan Song
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Hua Kuang
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Chuanlai Xu
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Lingling Guo
- State Key Laboratory of Food Science and Resources, Jiangnan University, China; International Joint Research Laboratory for Biointerface and Biodetection, and School of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China.
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Dorn A, Hammel K, Dalkmann P, Faber D, Hellpointner E, Lamshoeft M, Telscher M, Bruns E, Seidel E, Hollert H. What is the actual exposure of organic compounds on Chironomus riparius? - A novel methodology enabling the depth-related analysis in sediment microcosms. CHEMOSPHERE 2021; 279:130424. [PMID: 33887594 DOI: 10.1016/j.chemosphere.2021.130424] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 03/22/2021] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
A novel active sampling method enabled determination of sediment depth profiles revealing the spatial distribution of model compounds N,N-dimethylsulfamide, fluopyram and bixafen (low, medium, high adsorption affinity) in sediment microcosms according to OECD Test 218/219 (Sediment-Water Chironomid Toxicity Test Using Spiked Sediment/Spiked Water). After the overlying water was removed, plastic tubes were inserted into the sediment and the microcosms were frozen. For depth-related analysis, each "sediment core" was mounted in a cutting device and sawed into three 5-mm-slices, respectively (top, middle, bottom). Each slice was centrifuged for sediment and pore water separation. By various sampling dates within 28 days, we could follow the behavior of model compounds depending on sorption affinities and display specific distribution patterns within the sediment. N,N-dimethylsulfamide showing no sediment adsorption, migrated unhindered in (OECD 219) and out (OECD 218) of the sediment via pore water, resulting in homogenous distributions in both test designs. Fluopyram with moderate adsorption affinity revealed a concentration gradient with declining amounts from top to bottom layer (OECD 219) and higher amounts in the middle and bottom layer as compared to the top layer (OECD 218). Bixafen providing a strong adsorption affinity accumulated in the top layer in OECD 219, while no concentration gradients became visible in OECD 218. For establishing a Toxic Substances in Surface Waters (TOXSWA) model, we compared our measurements with simulated results revealing good agreements. The presented methodology is a useful tool to determine more realistic sediment and pore water concentrations, which the Chironomid larvae are exposed to.
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Affiliation(s)
- Alexander Dorn
- Institute of Environmental Research, RWTH Aachen University, 52074, Aachen, Germany; Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany.
| | - Klaus Hammel
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Philipp Dalkmann
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Daniel Faber
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Eduard Hellpointner
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Marc Lamshoeft
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Markus Telscher
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Eric Bruns
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Erika Seidel
- Environmental Safety, Crop Science Division, Bayer, AG, 40789, Monheim, Germany
| | - Henner Hollert
- Institute of Environmental Research, RWTH Aachen University, 52074, Aachen, Germany; Institute of Ecology, Evolution & Diversity, Goethe Universität, 60438, Frankfurt Am Main, Germany
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Muñiz-González AB, Novo M, Martínez-Guitarte JL. Persistent pesticides: effects of endosulfan at the molecular level on the aquatic invertebrate Chironomus riparius. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:31431-31446. [PMID: 33608783 DOI: 10.1007/s11356-021-12669-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Accepted: 01/21/2021] [Indexed: 06/12/2023]
Abstract
Although banned in multiple areas, due to its persistence in the environment, endosulfan constitutes a significant environmental concern. In this work, fourth instar Chironomus riparius larvae were exposed at environmentally relevant endosulfan concentrations of 0.1, 1, and 10 μg/L for 24 h to analyze the possible effects of this acaricide on gene expression and enzymatic activity. Transcriptional changes were studied through the implementation of a real-time polymerase chain reaction array with 42 genes related to several metabolic pathways (endocrine system, detoxification response, stress response, DNA reparation, and immune system). Moreover, glutathione-S-transferase (GST), phenoloxidase (PO), and acetylcholinesterase (AChE) activities were assessed. The five pathways were differentially altered by endosulfan exposure with significant changes in the E93, Dis, MAPR, Met, InR, GSTd3, GSTt3, MRP1, hsp70, hsp40, hsp24, ATM, PARP, Proph, and Def genes. Besides, all of the measured enzymatic activities were modified, with increased activity of GST, followed by PO and AChE. In summary, the results reflected the effects provoked in C. riparius at molecular level despite the absence of lethality. These data raise concerns about the strong alteration on different metabolic routes despite the low concentrations used. Therefore, new risk assessment strategies should consider include the effects at the sub-organismal level as endpoints in addition to the classical ecologically relevant parameters (such as survival). This endeavor will facilitate a comprehensive evaluation of toxicants in the environment.
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Affiliation(s)
- Ana-Belén Muñiz-González
- Environmental Biology and Toxicology Group, Department of Mathematical and Fluid Physics, National University of Distance Education, UNED, Senda del Rey 9, 28040, Madrid, Spain.
| | - Marta Novo
- Biodiversity, Ecology and Evolution Department, Faculty of Biology, Complutense University of Madrid, Madrid, Spain
| | - José-Luis Martínez-Guitarte
- Environmental Biology and Toxicology Group, Department of Mathematical and Fluid Physics, National University of Distance Education, UNED, Senda del Rey 9, 28040, Madrid, Spain
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Silva CO, Simões T, Félix R, Soares AM, Barata C, Novais SC, Lemos MF. Asparagopsis armata Exudate Cocktail: The Quest for the Mechanisms of Toxic Action of an Invasive Seaweed on Marine Invertebrates. BIOLOGY 2021; 10:biology10030223. [PMID: 33799463 PMCID: PMC8002046 DOI: 10.3390/biology10030223] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 03/07/2021] [Accepted: 03/09/2021] [Indexed: 01/22/2023]
Abstract
Simple Summary The invasive red seaweed Asparagopsis armata exhibits a strong invasive behavior, producing harmful secondary metabolites that negatively affect the surrounding community. This study addressed the antioxidant defenses, oxidative damage, and a neuronal parameter, as well as the fatty acid composition responses to sublethal concentrations of A. armata released compounds on the marine snail Gibbula umbilicalis and the shrimp Palaemon serratus. Results revealed that the test species had different metabolic responses to the A. armata exudate concentrations tested. Impacts in G. umbilicalis does not seem to arise from oxidative stress or neurotoxicity, while for P. elegans, an inhibition of AChE and the decrease of antioxidant capacity and increase of LPO suggest neurotoxicity and oxidative stress as contributing to the observed toxicity. Additionally, there were different fatty acid profile changes between species, but omega-3 PUFAs ARA and DPA increased in both invertebrates, indicating a common regulation mechanism of inflammation and immunity responses. Abstract The seaweed Asparagopsis armata exhibits a strong invasive behavior, producing halogenated compounds with effective biological effects. This study addresses the biochemical responses to sublethal concentrations of A. armata exudate on the marine snail Gibbula umbilicalis whole body and the shrimp Palaemon elegans eyes and hepatopancreas. Antioxidant defenses superoxide dismutase (SOD) and glutathione-S-transferase (GST), oxidative damage endpoints lipid peroxidation (LPO) and DNA damage, the neuronal parameter acetylcholinesterase (AChE), and the fatty acid profile were evaluated. Results revealed different metabolic responses in both species. Despite previous studies indicating that the exudate affected G. umbilicalis’ survival and behavior, this does not seem to result from oxidative stress or neurotoxicity. For P. elegans, the inhibition of AChE and the decrease of antioxidant capacity is concomitant with the increase of LPO, suggesting neurotoxicity and oxidative stress as contributor mechanisms of toxicity for this species. Fatty acid profile changes were more pronounced for P. elegans with a general increase in polyunsaturated fatty acids (PUFAs) with the exudate exposure, which commonly means a defense mechanism protecting from membrane disruption. Nonetheless, the omega-3 PUFAs arachidonic acid (ARA) and docosapentaenoic acid (DPA) increased in both invertebrates, indicating a common regulation mechanism of inflammation and immunity responses.
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Affiliation(s)
- Carla O. Silva
- MARE—Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.O.S.); (T.S.); (R.F.); (S.C.N.)
| | - Tiago Simões
- MARE—Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.O.S.); (T.S.); (R.F.); (S.C.N.)
| | - Rafael Félix
- MARE—Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.O.S.); (T.S.); (R.F.); (S.C.N.)
| | - Amadeu M.V.M. Soares
- Department of Biology and CESAM (Centre for Environmental and Marine Studies), University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Carlos Barata
- Environmental Chemistry Department, Institute of Environmental Assessment and Water Research (IDAEA) Consejo Superior de Investigaciones Científicas (CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain;
| | - Sara C. Novais
- MARE—Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.O.S.); (T.S.); (R.F.); (S.C.N.)
| | - Marco F.L. Lemos
- MARE—Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, 2520-641 Peniche, Portugal; (C.O.S.); (T.S.); (R.F.); (S.C.N.)
- Correspondence: ; Tel.: +351-262-783-607; Fax: +351-262-783-088
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Belevich O, Yurchenko Y, Alekseev A, Kotina O, Odeyanko V, Tsentalovich Y, Yanshole L, Kryukov V, Danilov V, Glupov V. Toxic Effects of Fine Plant Powder Impregnated With Avermectins on Mosquito Larvae and Nontarget Aquatic Invertebrates. JOURNAL OF MEDICAL ENTOMOLOGY 2021; 58:773-780. [PMID: 33112404 DOI: 10.1093/jme/tjaa227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Indexed: 06/11/2023]
Abstract
The toxic effects of an avermectin-impregnated fine plant powder (AIFP) against larval Aedes aegypti L. (Diptera: Culicidae), Culex modestus Ficalbi (Diptera: Culicidae), and Anopheles messeae Falleroni (Diptera: Culicidae), as well as selected nontarget aquatic invertebrates, were studied under laboratory conditions. The possibility of trophic transfer of avermectins (AVMs) through the food chain and their toxic effects on predaceous species fed AIFP-treated mosquito larvae was also evaluated. Among mosquitoes, Anopheles messeae were the most sensitive to AIFP, while Cx. modestus exhibited the least sensitivity to this formulation. Among nontarget aquatic invertebrates, the greatest toxicity of AIFP was observed for benthic species (larval Chironomus sp. Meigen (Diptera: Chironomidae), whereas predators (dragonflies, water beetles, and water bugs) exhibited the lowest AIFP sensitivity. AIFP sensitivity of the clam shrimp Lynceus brachyurus O. F. Muller (Diplostraca: Lynceidae), the phantom midge Chaoborus crystallinus De Geer (Diptera: Chaoboridae), and the mayfly Caenis robusta Eaton (Ephemeroptera: Caenidae) was intermediate and similar to the sensitivity of the mosquito Cx. modestus. However, these nontarget species were more resistant than An. messeae and Ae. aegypti. Solid-phase extraction of mosquito larvae treated with AIFP and subsequent high-performance liquid chromatography (HPLC) analysis of the extracts revealed an AVM concentration of up to 2.1 ± 0.3 μg/g. Feeding the creeping water bug Ilyocoris cimicoides L. (Hemiptera: Naucoridae) on the AIFP-treated mosquito larvae resulted in 51% mortality of the predaceous species. But no toxicity was observed for Aeshna mixta Latreille (Odonata: Aeshnidae) dragonfly larvae fed those mosquito larvae. The results of this work showed that this AVM formulation can be effective against mosquito larvae.
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Affiliation(s)
- Olga Belevich
- Laboratory of Insect Pathology, Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
| | - Yury Yurchenko
- Laboratory of Insect Pathology, Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
| | - Alexander Alekseev
- Laboratory of Insect Pathology, Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
- Laboratory of Dispersal Systems, Voevodsky Institute of Chemical Kinetics and Combustion SB RAS, Novosibirsk, Russia
| | - Oxana Kotina
- Laboratory of Insect Pathology, Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
| | | | - Yury Tsentalovich
- Laboratory of Proteomics and Metabolomics, International Tomography Center SB RAS, Novosibirsk, Russia
| | - Lyudmila Yanshole
- Laboratory of Proteomics and Metabolomics, International Tomography Center SB RAS, Novosibirsk, Russia
| | - Vadim Kryukov
- Laboratory of Insect Pathology, Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
- Department of Invertebrate Zoology, Tomsk State University, Tomsk, Russia
| | - Victor Danilov
- Siberian Federal Scientific Centre of Agro-BioTechnologies (SFSCA) RAS, Krasnoobsk, Novosibirsk Region, Russia
| | - Victor Glupov
- Laboratory of Insect Pathology, Institute of Systematics and Ecology of Animals SB RAS, Novosibirsk, Russia
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Ahmed MAI, Vogel CFA. The synergistic effect of octopamine receptor agonists on selected insect growth regulators on Culex quinquefasciatus Say (Diptera: Culicidae) mosquitoes. One Health 2020; 10:100138. [PMID: 32426446 PMCID: PMC7226865 DOI: 10.1016/j.onehlt.2020.100138] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 05/04/2020] [Indexed: 12/26/2022] Open
Abstract
Synergistic effects of octopamine receptor agonists (OR agonists) have attracted many scientists based on their potent effects on mosquitoes. Herein, we determined the toxicity of selected insect growth regulators (IGRs) on fourth instar larvae of Culex quinquefasciatus. We evaluated the synergistic action of OR agonists on the toxicity of IGR insecticides to achieve a better understanding of their mode of action. As a result, pyriproxyfen was the most potent IGR insecticide (EC50 = 0.049 ng/ml) followed by lufenuron, novaluron, and diflubenzuron according to the IGR bioassay. Further, based on the acute bioassay, lufenuron was the most toxic IGR insecticide (LC50 = 44 ng/ml) after 24-h post treatment followed by pyriproxyfen, novaluron, and diflubenzuron (LC50 = 137, 263, and 1127 ng/ml, respectively). Similar tendency was observed after 48 and 72-h post treatment. Furthermore, OR agonists that combined with pyriproxyfen was the most significant effects after 48 and 72-h of exposure. The synergism with amitraz (AMZ) was more significant when co-treated with IGR insecticides compared to chlordimeform (CDM). These findings suggest that OR agonists are promising tools and are important alternative strategies as synergistic compounds in preventing and controlling Culex quinquefasciatus mosquitoes.
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Affiliation(s)
- Mohamed Ahmed Ibrahim Ahmed
- Plant Protection Department, Faculty of Agriculture, Assiut University, Assiut 71526, Egypt
- Center for Health and the Environment, University of California, One Shields Avenue, Davis, CA 95616, USA
| | - Christoph Franz Adam Vogel
- Center for Health and the Environment, University of California, One Shields Avenue, Davis, CA 95616, USA
- Department of Environmental Toxicology, University of California, One Shields Avenue, Davis, CA 95616, USA
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Ballesteros ML, Boyle RL, Kellar CR, Miglioranza KSB, Bistoni MA, Pettigrove V, Long SM. What types of enzyme activities are useful biomarkers of bifenthrin exposure on Chironomus sp. (Diptera, Chironomidae) larvae under laboratory and field-based microcosm conditions? AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 228:105618. [PMID: 32937231 DOI: 10.1016/j.aquatox.2020.105618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 08/24/2020] [Accepted: 08/30/2020] [Indexed: 06/11/2023]
Abstract
Bifenthrin is a second generation synthetic pyrethroid insecticide that is widely used in Australia and worldwide. It is frequently found in urban freshwater sediments at concentrations likely to impact biota as it is highly toxic to fish and macroinvertebrates, such as chironomids. Our main goal was to evaluate if oxidative stress and hydrolase enzymes are useful biomarkers of effect of synthetic pyrethroids exposure under different scenarios. Chironomus tepperi larvae (5 days old) were exposed to sub-lethal sediment concentrations of bifenthrin for 5 days under controlled laboratory conditions. A field-based microcosm exposure with bifenthrin-spiked sediments (using the same concentrations as the laboratory exposure) was carried out at a clean field site for four weeks to allow for colonization and development of resident chironomid larvae. At the end of both experiments, Chironomus larvae (C. tepperi in the laboratory exposures and C. oppositus in the microcosm exposures) were collected and oxidative stress enzymes (Glutathione-s-Transferase, Glutathione Reductase and Glutathione Peroxidase) and hydrolase enzymes (Acetylcholinesterase and Carboxylesterase) were measured. Only the Glutathione Peroxidase activity was significantly impacted in larvae from the laboratory exposure. On the contrary, significant changes were observed in all the measured enzymes from the field-based microcosm exposure. This is likely because exposure was throughout the whole life cycle, from egg mass to fourth instar, showing a more realistic exposure scenario. Furthermore, this is the first time that changes in oxidative stress and hydrolase enzymes have been shown to occur in Australian non-biting midges exposed under field-based microcosm conditions. Thus, this study demonstrated the usefulness of these enzymes as biomarkers of effect following bifenthrin exposure in microcosms. It also highlights the importance of using a range of different biochemical endpoints to get a more holistic understanding of pesticide effects and the pathways involved.
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Affiliation(s)
- Maria L Ballesteros
- Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Diversidad Animal II, Córdoba, Argentina; CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas), Instituto de Diversidad y Ecología Animal (IDEA), Argentina; Centre for Aquatic Pollution Identification and Management (CAPIM), School of BioSciences, The University of Melbourne, Parkville, 3010 Vic, Australia
| | - Rhianna L Boyle
- Centre for Aquatic Pollution Identification and Management (CAPIM), School of BioSciences, The University of Melbourne, Parkville, 3010 Vic, Australia
| | - Claudette R Kellar
- Centre for Aquatic Pollution Identification and Management (CAPIM), School of BioSciences, The University of Melbourne, Parkville, 3010 Vic, Australia; Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, 3083 Vic, Australia
| | - Karina S B Miglioranza
- Universidad Nacional de Mar del Plata, Facultad de Ciencias Exactas y Naturales, Mar del Plata, Argentina; CONICET, Laboratorio de Ecotoxicología y Contaminación Ambiental, Instituto de Investigaciones Marinas y Costeras (IIMyC), Argentina
| | - Maria A Bistoni
- Universidad Nacional de Córdoba. Facultad de Ciencias Exactas, Físicas y Naturales, Cátedra de Diversidad Animal II, Córdoba, Argentina; CONICET (Consejo Nacional de Investigaciones Científicas y Técnicas), Instituto de Diversidad y Ecología Animal (IDEA), Argentina
| | - Vincent Pettigrove
- Centre for Aquatic Pollution Identification and Management (CAPIM), School of BioSciences, The University of Melbourne, Parkville, 3010 Vic, Australia; Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, 3083 Vic, Australia
| | - Sara M Long
- Centre for Aquatic Pollution Identification and Management (CAPIM), School of BioSciences, The University of Melbourne, Parkville, 3010 Vic, Australia; Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, 3083 Vic, Australia.
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Ahmed MAI, Vogel CFA. Hazardous effects of octopamine receptor agonists on altering metabolism-related genes and behavior of Drosophila melanogaster. CHEMOSPHERE 2020; 253:126629. [PMID: 32283422 PMCID: PMC9888421 DOI: 10.1016/j.chemosphere.2020.126629] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2020] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 05/04/2023]
Abstract
Recent reports demonstrate that octopamine receptor (OR) agonists such as formamidine pesticides cause reproductive and developmental toxicity through endocrine disrupting effects in both humans and animals. Herein, we studied the effects of different sublethal concentrations of OR agonists, Amitraz and Chlordimeform, on growth, development, and reproduction of D. melanogaster from a genotype perspective view. As a result, the sublethal concentrations for both OR agonists delayed the developmental time including pupation and eclosion. It significantly reduced the lifespan, eclosion rate, and production of eggs. The mRNA expression of genes relevant for development and metabolism was significantly changed after exposure to sublethal concentrations of both OR agonists. Octopamine receptor in mushroom bodies (Oamb), trehalase enzyme (Treh), hemocyte proliferation (RyR), and immune response (IM4) genes were upregulated whereas, trehalose sugar (Tret1-1), mixed function oxidase enzyme (Cyp9f2), lifespan (Atg7), male mating behavior (Ple), female fertility (Ddc), and lipid metabolism (Sxe2) genes were downregulated. These results support the conclusion that OR agonists activate the octopamine receptor in D. melanogaster leading to an increase of trehalase enzyme activity and degradation of trehalose sugar into free glucose which results in rapid energy exhaustion, hyperexcitation, and disturbing of the octopaminergic system in D. melanogaster.
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Affiliation(s)
- Mohamed Ahmed Ibrahim Ahmed
- Plant Protection Department, Faculty of Agriculture, Assiut University, Assiut, 71526, Egypt; Center for Health and the Environment, USA
| | - Christoph Franz Adam Vogel
- Center for Health and the Environment, USA; Department of Environmental Toxicology, University of California, Davis, CA, 95616, USA.
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Monteiro HR, Pestana JLT, Novais SC, Leston S, Ramos F, Soares AMVM, Devreese B, Lemos MFL. Assessment of fipronil toxicity to the freshwater midge Chironomus riparius: Molecular, biochemical, and organismal responses. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 216:105292. [PMID: 31546069 DOI: 10.1016/j.aquatox.2019.105292] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2019] [Revised: 08/01/2019] [Accepted: 09/03/2019] [Indexed: 06/10/2023]
Abstract
Fipronil is a phenylpyrazole insecticide that entered the market to replace organochlorides and organophosphates. Fipronil impairs the regular inhibition of nerve impulses that ultimately result in paralysis and death of insects. Because of its use as a pest control, and due to runoff events, fipronil has been detected in freshwater systems near agricultural areas, and therefore might represent a threat to non-target aquatic organisms. In this study, the toxicity of fipronil to the freshwater midge Chironomus riparius was investigated at biochemical, molecular, and whole organism (e.g. growth, emergence, and behavior) levels. At the individual level, chronic (28 days) exposure to fipronil resulted in reduced larval growth and emergence with a lowest observed effect concentration (LOEC) of 0.081 μg L-1. Adult weight, which is directly linked to the flying performance and fecundity of midges, was also affected (LOEC = 0.040 μg L-1). Additionally, behavioral changes such as irregular burrowing behavior of C. riparius larvae (EC50 = 0.084 μg L-1) and impairment of adult flying performance were observed. At a biochemical level, acute (48 h) exposure to fipronil increased cellular oxygen consumption (as indicated by the increase of electron transport system (ETS) activity) and decreased antioxidant and detoxification defenses (as suggested by the decrease in catalase (CAT) and glutathione S-transferase (GST) activities). Exposure to fipronil also caused alterations in the fatty acid profile of C. riparius, since high levels of stearidonic acid (SDA) were observed. A comparison between exposed and non-exposed larvae also revealed alterations in the expression of globins, cytoskeleton and motor proteins, and proteins involved in protein biosynthesis. These alterations may aid in the interpretation of potential mechanisms of action that lead to the effects observed at the organism level. Present results show that environmentally relevant concentrations of fipronil are toxic to chironomid populations which call for monitoring of phenylpyrazole insecticides and of their ecological effects in freshwaters. Present results also emphasize the importance of complementing ecotoxicological data with molecular approaches such as proteomics, for a better interpretation of the mode of action of insecticides in aquatic invertebrates.
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Affiliation(s)
- Hugo R Monteiro
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal; MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal; Department of Biochemistry and Microbiology, Laboratory for Microbiology, Ghent University, Ghent, Belgium.
| | - João L T Pestana
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
| | - Sara C Novais
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal
| | - Sara Leston
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Coimbra, Portugal; REQUIMTE/LAQV, Pharmacy Faculty, University of Coimbra, Coimbra, Portugal
| | - Fernando Ramos
- REQUIMTE/LAQV, Pharmacy Faculty, University of Coimbra, Coimbra, Portugal
| | | | - Bart Devreese
- Department of Biochemistry and Microbiology, Laboratory for Microbiology, Ghent University, Ghent, Belgium
| | - Marco F L Lemos
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic Institute of Leiria, Peniche, Portugal
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Monteiro HR, Pestana JLT, Novais SC, Soares AMVM, Lemos MFL. Toxicity of the insecticides spinosad and indoxacarb to the non-target aquatic midge Chironomus riparius. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 666:1283-1291. [PMID: 30970493 DOI: 10.1016/j.scitotenv.2019.02.303] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2018] [Revised: 02/18/2019] [Accepted: 02/19/2019] [Indexed: 06/09/2023]
Abstract
Spinosad and indoxacarb are two relatively new insecticides mainly used in agriculture to control insect pests. However, at their current application rates, non-target aquatic insect species may also be impacted. In this study, larvae of the non-biting midge Chironomus riparius were exposed in the laboratory to both insecticides and their effects evaluated at the organismal level, using standard ecotoxicological tests, and at the biochemical level, by monitoring specific oxidative stress, neuronal, and energy metabolism biomarkers. Chronic exposure to both insecticides compromised growth and emergence of C. riparius. Short-term exposures revealed alterations at biochemical level that might be related to the toxicological targets of both insecticides. Growth and development time were the most sensitive endpoints at individual level for both pesticides, while at the biochemical level, the electron transport system activity was the most sensitive biomarker for spinosad exposure, suggesting an increase in energy demands associated with the activation of defense mechanisms. Glutathione-S-transferase was the most sensitive biomarker for indoxacarb exposure, underlining the role of this enzyme in the detoxification of indoxacarb. Additionally, changes in lactate dehydrogenase and glutathione peroxidase activities were observed for both insecticides, and evidences of oxidative damage were found for spinosad. This study contributes to the growing knowledge on sublethal effects of novel insecticides on non-target aquatic invertebrates and strengthens the usefulness of biochemical biomarkers to support the interpretation of their potentially deleterious effects on aquatic insects near agricultural fields.
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Affiliation(s)
- Hugo R Monteiro
- Department of Biology & CESAM, University of Aveiro, Aveiro, Portugal; MARE - Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, Peniche, Portugal; Department of Biochemistry and Microbiology, Laboratory for Microbiology, Ghent University, Ghent, Belgium.
| | - João L T Pestana
- Department of Biology & CESAM, University of Aveiro, Aveiro, Portugal
| | - Sara C Novais
- MARE - Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, Peniche, Portugal
| | | | - Marco F L Lemos
- MARE - Marine and Environmental Sciences Centre, ESTM, Instituto Politécnico de Leiria, Peniche, Portugal
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Ospina‐Pérez EM, Campeón‐Morales OI, Richardi VS, Rivera‐Páez FA. Histological description of immature
Chironomus columbiensis
(Diptera: Chironomidae): A potential contribution to environmental monitoring. Microsc Res Tech 2019; 82:1277-1289. [DOI: 10.1002/jemt.23278] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 03/12/2019] [Accepted: 04/03/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Erika M. Ospina‐Pérez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y NaturalesUniversidad de Caldas Caldas Colombia
| | - Oscar I. Campeón‐Morales
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y NaturalesUniversidad de Caldas Caldas Colombia
| | - Vinicius S. Richardi
- Laboratório de Morfologia e Fisiologia de Culicidae e Chironomidae, Departamento de ZoologiaUniversidade Federal do Paraná – UFPR Curitiba Paraná Brazil
| | - Fredy A. Rivera‐Páez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y NaturalesUniversidad de Caldas Caldas Colombia
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