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Zhou L, Lian C, He Y, Chi X, Chen H, Zhong Z, Wang M, Cao L, Wang H, Zhang H, Li C. Toxicology assessment of deep-sea mining impacts on Gigantidas platifrons: A comparative in situ and laboratory metal exposure study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:173184. [PMID: 38750754 DOI: 10.1016/j.scitotenv.2024.173184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 05/07/2024] [Accepted: 05/10/2024] [Indexed: 05/19/2024]
Abstract
Deep-sea toxicology is essential for deep-sea environmental impact assessment. Yet most toxicology experiments are conducted solely in laboratory settings, overlooking the complexities of the deep-sea environment. Here we carried out metal exposure experiments in both the laboratory and in situ, to compare and evaluate the response patterns of Gigantidas platifrons to metal exposure (copper [Cu] or cadmium [Cd] at 100 μg/L for 48 h). Metal concentrations, traditional biochemical parameters, and fatty acid composition were assessed in deep-sea mussel gills. The results revealed significant metal accumulation in deep-sea mussel gills in both laboratory and in situ experiments. Metal exposure could induce oxidative stress, neurotoxicity, an immune response, altered energy metabolism, and changes to fatty acid composition in mussel gills. Interestingly, the metal accumulating capability, biochemical response patterns, and fatty acid composition each varied under differing experimental systems. In the laboratory setting, Cd-exposed mussels exhibited a higher value for integrated biomarker response (IBR) while in situ the Cu-exposed mussels instead displayed a higher IBR value. This study emphasizes the importance of performing deep-sea toxicology experiments in situ and contributes valuable data to a standardized workflow for deep-sea toxicology assessment.
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Affiliation(s)
- Li Zhou
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Chao Lian
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Yameng He
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Xupeng Chi
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Hao Chen
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Zhaoshan Zhong
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Minxiao Wang
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Lei Cao
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Hao Wang
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Huan Zhang
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Chaolun Li
- Center of Deep Sea Research, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou 510301, China; CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China; University of Chinese Academy of Sciences, Beijing 10049, China; Laoshan Laboratory, Qingdao 266237, China.
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de Oliveira AC, Simões RC, da Silva FMA, Sá ISC, da Costa MLL, Nunomura SM, Nunomura RCS, Roque RA. Essential oil and fenchone extracted from Tetradenia riparia (Hochstetter.) Codd (Lamiaceae) induce oxidative stress in Culex quinquefasciatus larvae (Diptera: Culicidae) without causing lethal effects on non-target animals. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:32998-33010. [PMID: 38671268 DOI: 10.1007/s11356-024-33440-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Accepted: 04/19/2024] [Indexed: 04/28/2024]
Abstract
We investigated the larvicidal activity of the essential oil (EO) from Tetradenia riparia and its majority compound fenchone for controlling Culex quinquefasciatus larvae, focusing on reactive oxygen and nitrogen species (RONS), catalase (CAT), glutathione S-transferase (GST), acetylcholinesterase (AChE) activities, and total thiol content as oxidative stress indicators. Moreover, the lethal effect of EO and fenchone was evaluated against Anisops bouvieri, Diplonychus indicus, Danio rerio, and Paracheirodon axelrodi. The EO and fenchone (5 to 25 µg/mL) showed larvicidal activity (LC50 from 16.05 to 18.94 µg/mL), followed by an overproduction of RONS, and changes in the activity of CAT, GST, AChE, and total thiol content. The Kaplan-Meier followed by Log-rank (Mantel-Cox) analyses showed a 100% survival rate for A. bouvieri, D. indicus, D. rerio, and P. axelrodi when exposed to EO and fenchone (262.6 and 302.60 µg/mL), while α-cypermethrin (0.25 µg/mL) was extremely toxic to these non-target animals, causing 100% of death. These findings emphasize that the EO from T. riparia and fenchone serve as suitable larvicides for controlling C. quinquefasciatus larvae, without imposing lethal effects on the non-target animals investigated.
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Affiliation(s)
- André C de Oliveira
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal Do Amazonas, Manaus, Amazonas, 69080-900, Brazil.
- Laboratório de Controle Biológico E Biotecnologia da Malária E da Dengue, Coordenação Sociedade, Ambiente E Saúde, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, 69067-375, Brazil.
| | - Rejane C Simões
- Fundação de Vigilância Em Saúde Do Amazonas, Dra Rosemary Costa Pinto, Manaus, Amazonas, 69093-018, Brazil
| | - Felipe M A da Silva
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal Do Amazonas, Manaus, Amazonas, 69080-900, Brazil
| | - Ingrity S C Sá
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal Do Amazonas, Manaus, Amazonas, 69080-900, Brazil
| | - Maria L L da Costa
- Laboratório de Controle Biológico E Biotecnologia da Malária E da Dengue, Coordenação Sociedade, Ambiente E Saúde, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, 69067-375, Brazil
| | - Sergio M Nunomura
- Laboratório de Princípios Ativos da Amazônia, Coordenação de Tecnologia E Inovação, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, 69067-375, Brazil
| | - Rita C S Nunomura
- Laboratório de Controle Biológico E Biotecnologia da Malária E da Dengue, Coordenação Sociedade, Ambiente E Saúde, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, 69067-375, Brazil
| | - Rosemary A Roque
- Laboratório de Controle Biológico E Biotecnologia da Malária E da Dengue, Coordenação Sociedade, Ambiente E Saúde, Instituto Nacional de Pesquisas da Amazônia, Manaus, Amazonas, 69067-375, Brazil
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Mesquita AF, Gonçalves FJM, Gonçalves AMM. Toxicity of two pesticides in binary mixture on survival and enzymatic response of Cerastoderma edule - The warming influence. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169676. [PMID: 38160819 DOI: 10.1016/j.scitotenv.2023.169676] [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: 10/11/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
Pesticide application increased by about 1 million tonnes in the last 3 decades. Pesticides' overuse, coupled with the need for several pesticides to control different pests in the same crop, and its application many times per year, results in dangerous chemical cocktails that enter in aquatic systems, with impacts to the ecosystems and its communities. Climatic changes are currently another great concern, is predicted by the end of the 21st century, the earth's surface temperature will increase by about 4 °C. Bivalve species are reported as essential to the ecosystems' balance. However, they are also indicated as the organisms that will suffer the most serious effects of the temperature increase. So, this work intends to: a) verify the harm of the sub-lethal concentrations of two worldwide used pesticides, oxyfluorfen and copper (Cu), when combined, to Cerastoderma edule at 15 °C and 20 °C; b) assess the changes in the antioxidant defence system, the activity of the neurological enzyme acetylcholinesterase and the nutritive value of C. edule, after exposure to sub-lethal concentrations of oxyfluorfen and Cu, single and in the mixture, at 15 °C and 20 °C; c) observe the interaction between Cu and oxyfluorfen, considering the different biomarkers. Bivalves were exposed to oxyfluorfen and Cu, single and combined, for 96 h, at 15 °C and 20 °C. Results showed lethal effects to the organisms exposed at 20 °C when exposed to the highest binary mixture concentrations. Biochemical effects were observed on the organisms exposed to 15 °C, despite not observing any lethal effects. Briefly, there was a reported increase in oxidative stress and a decrease in protein content, regardless of the increase in the activity of antioxidant enzymes. These results suggest the potentially dangerous effects of the chemicals' mixture combined with the temperature, on this species and its consumers, impacting the trophic chain, and consequently, the community structure and function.
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Affiliation(s)
- Andreia F Mesquita
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Fernando J M Gonçalves
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana M M Gonçalves
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal; University of Coimbra, MARE-Marine and Environmental Sciences Centre, ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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Zhang X, Li Z. Harmonizing pesticides environmental quality standards: A fate-pathway perspective. CHEMOSPHERE 2024; 350:141063. [PMID: 38159736 DOI: 10.1016/j.chemosphere.2023.141063] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 12/21/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Regulatory agencies worldwide set pesticide environmental quality standards, which are proposed independently in each dependent environmental media rather than across the complete fate route. Thus, lacking the fate-pathway perspective in defining pesticide environmental quality standards might cause undesirable pesticide residue from the upper compartment (e.g., soil) to the lower compartment (e.g., water). This study aimed to harmonize the self-consistency of pesticide environmental quality standards across environmental media via the fate-pathway analysis. The introduced qualitative and quantitative rules defined environmental quality standards of pesticides in six major environmental scenarios in the soil and water system based on related regulatory objectives. Fate factors simulated via USEtox were used to create a preliminary quantitative link between theoretical maximum legal masses of pesticides across environmental compartments. Using chlorpyrifos and 2,4-D as examples, their standard values were comparatively assessed in selected environmental media in China and the United States. According to the investigative findings, missing the respective environmental quality standards of pesticides in the agricultural soil could significantly influence the implementation of those in freshwater. Taking a fate-pathway perspective, the self-consistency test highlighted that defining pesticide environmental quality standards for freshwater was the most challenging task, as the freshwater compartment typically comprises multiple lower environmental compartments with diverse regulatory objectives. Overall, this theoretical study has the potential to illuminate the harmonization of pesticide environmental quality standards throughout the entire environmental fate pathway, ultimately leading to improved regulatory efficiency and communication. Future research should focus on risk-based model implementation, regulatory response evaluation, and legal limit interpretation to better integrate environmental pesticide management under a variety of regulatory goals.
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Affiliation(s)
- Xiaoyu Zhang
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, 518107, China
| | - Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong, 518107, China.
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Impellitteri F, Yunko K, Calabrese G, Porretti M, Martyniuk V, Gnatyshyna L, Nava V, Potortì AG, Piccione G, Di Bella G, Stoliar O, Faggio C. Chlorpromazine's impact on Mytilus galloprovincialis: a multi-faceted investigation. CHEMOSPHERE 2024; 350:141079. [PMID: 38160957 DOI: 10.1016/j.chemosphere.2023.141079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 12/18/2023] [Accepted: 12/28/2023] [Indexed: 01/03/2024]
Abstract
The antipsychotic chlorpromazine (Cpz) has raised concern as a pharmaceutical effluent due to its wide medical applications. Moreover, its potent pro-oxidant properties and impact on the cell viability of the marine mollusc Mytilus galloprovincialis, even at low concentrations (ng/L), have been noted. Based on this evidence, in this study, we investigated the physiological effects of Cpz on M. galloprovincialis, to elucidate its fate within the organism, in terms of bioaccumulation, biotransformation, byssus changes and stress responses of the cellular thiolome. Histological and indicators of vitality analyses were also performed to better evaluate the influence of the drug on the morphology and cell viability of the digestive gland. To this end, two different concentrations of Cpz (Cpz I (12 ng/L or 37 pM) and Cpz II (12 μg/L or 37 nM)) were administered to mussels over 14 days. Cpz accumulation in the digestive gland significantly increased with water concentration (BCF of Cpz I and Cpz II). Biochemical analyses indicated lysosomal dysfunction, reflected in elevated total Cathepsin D activity and compromised lysosomal membrane stability. Stress-related and metal-buffering proteins (GST and metallothionein) responded to both Cpz concentrations. Cpz I induced phase I biotransformation activity (CYP450-dependent EROD), while Cpz II triggered caspase-3 activation, indicative of detoxification overload. Histological analysis revealed digestive gland atrophy, epithelial thinning, haemocyte infiltration, and brown cell presence. Byssus analysis showed significant alterations. In conclusion, our study underscores Cpz-induced physiological and histological changes in M. galloprovincialis, posing potential implications for mussel health and confirming the utilisation of this mussel as an indication of Cpz ecotoxicity.
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Affiliation(s)
- Federica Impellitteri
- Dept. of Veterinary Sciences, University of Messina, Viale Giovanni Palatucci Snc, 98168, Messina, Italy.
| | - Katerina Yunko
- Ternopil Volodymyr Hnatiuk National Pedagogical University, M. Kryvonosa Str. 2, 46027, Ternopil, Ukraine.
| | - Giovanna Calabrese
- Dept. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166, Messina, Italy
| | - Miriam Porretti
- Dept. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166, Messina, Italy.
| | - Viktoria Martyniuk
- Ternopil Volodymyr Hnatiuk National Pedagogical University, M. Kryvonosa Str. 2, 46027, Ternopil, Ukraine.
| | - Lesya Gnatyshyna
- I.Ya. Horbachevsky Ternopil National Medical University, Maidan Voli 1, 46001, Ternopil, Ukraine.
| | - Vincenzo Nava
- University of Messina, Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), 98100, Messina, Italy.
| | - Angela Giorgia Potortì
- University of Messina, Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), 98100, Messina, Italy.
| | - Giuseppe Piccione
- Dept. of Veterinary Sciences, University of Messina, Viale Giovanni Palatucci Snc, 98168, Messina, Italy.
| | - Giuseppa Di Bella
- University of Messina, Department of Biomedical, Dental, Morphological and Functional Images Sciences (BIOMORF), 98100, Messina, Italy.
| | - Oksana Stoliar
- Ternopil Volodymyr Hnatiuk National Pedagogical University, M. Kryvonosa Str. 2, 46027, Ternopil, Ukraine; Dept. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166, Messina, Italy.
| | - Caterina Faggio
- Dept. of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno d'Alcontres 31, 98166, Messina, Italy; Department of Ecosustainable Marine Biotechnology, Stazione Zoologica Anton Dohrn, Naples, Italy.
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Lares B, Brio JD, Parra-Morales L, Fernández H, Montagna C. Chlorpyrifos toxicity and detoxifying enzymes activities in three native-aquatic species of macroinvertebrates from an agricultural area. AN ACAD BRAS CIENC 2023; 95:e20191385. [PMID: 38088699 DOI: 10.1590/0001-3765202320191385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/30/2020] [Indexed: 12/18/2023] Open
Abstract
Non-target species from agricultural areas might be exposed to sublethal pesticide concentrations favoring survival and reproduction of the resistance individuals. The objective of this study was to evaluate chlorpyrifos toxicity and detoxification enzymatic activities on three species (Hyalella curvispina, Heleobia parchappii and Girardia tigrina) from a drain channel with history of insecticide contamination (EF) and the Neuquén river (NR) in Argentina. Chlorpyrifos toxicity on amphipods (H. curvispina) and planarians (G. tigrina) from NR was about six- and two-fold higher than that of their counterparts from EF. Mean carboxylesterases (CarE) activities determined in the three species from NR were significantly different from EF, whereas mean glutathione-S-transferase (GST) activities were no significantly different. Finally, planarians from EF showed significantly higher mean 7-ethoxycoumarine O-deethylase (ECOD) activity than those from NR. Amphipods from both sites displayed similar ECOD activities. The present results suggest that chlorpyrifos resistance in amphipods from EF is not conferred by increased detoxification.
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Affiliation(s)
- Betsabé Lares
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC)-CONICET- Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
- Facultad de Ciencias del Ambiente y la Salud. Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
| | - Josefina Del Brio
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC)-CONICET- Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
- Facultad de Ciencias del Ambiente y la Salud. Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
| | - Laura Parra-Morales
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC)-CONICET- Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
- Facultad de Ciencias del Ambiente y la Salud. Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
| | - Hugo Fernández
- Facultad de Ciencias Naturales e Instituto Miguel Lillo. Universidad Nacional de Tucumán, Miguel Lillo 205, Tucumán 4000, Argentina
| | - Cristina Montagna
- Centro de Investigaciones en Toxicología Ambiental y Agrobiotecnología del Comahue (CITAAC)-CONICET- Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
- Facultad de Ciencias del Ambiente y la Salud. Universidad Nacional del Comahue, Buenos Aires 1400, Neuquén 8300, Argentina
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Islam MA, Lopes I, Domingues I, Silva DCVR, Blasco J, Pereira JL, Araújo CVM. Behavioural, developmental and biochemical effects in zebrafish caused by ibuprofen, irgarol and terbuthylazine. CHEMOSPHERE 2023; 344:140373. [PMID: 37806324 DOI: 10.1016/j.chemosphere.2023.140373] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/30/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023]
Abstract
The increasing use of chemicals and their release into aquatic ecosystems are harming aquatic biota. Despite extensive ecotoxicological research, many environmental pollutants' ecological effects are still unknown. This study examined the spatial avoidance, behavioural and biochemical impacts of ibuprofen, irgarol, and terbuthylazine on the early life stages of zebrafish (Danio rerio) under a range of ecologically relevant concentrations (0-500 μg/L). Embryos were exposed following the OECD guideline "fish embryo toxicity test" complemented with biochemical assessment of AChE activity and behavioural analyses (swimming activity) using the video tracking system Zebrabox. Moreover, spatial avoidance was assessed by exposing 120 hpf-old larvae of D. rerio to a gradient of each chemical, by using the heterogeneous multi-habitat assay system (HeMHAS). The results obtained revealed that the 3 compounds delayed hatching at concentrations of 50 and 500 μg/L for both ibuprofen and irgarol and 500 μg/L for terbuthylazine. Moreover, all chemicals elicited a dose-dependent depression of movement (swimming distance) with LOEC values of 5, 500 and 50 μg/L for ibuprofen, irgarol and terbuthylazine, respectively. Zebrafish larvae avoided the three chemicals studied, with 4 h-AC50 values for ibuprofen, irgarol, and terbuthylazine of 64.32, 79.86, and 131.04 μg/L, respectively. The results of the HeMHAS assay suggest that larvae may early on avoid (just after 4 h of exposure) concentrations of the three chemicals that may later induce, apical and biochemical effects. Findings from this study make clear some advantages of using HeMHAS in ecotoxicology as it is: ecologically relevant (by simulating a chemically heterogeneous environmental scenario), sensitive (the perception of chemicals and the avoidance can occur at concentrations lower than those producing lethal or sublethal effects) and more humane and refined approach (organisms are not mandatorily exposed to concentrations that can produce individual toxicity).
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Affiliation(s)
- Mohammed Ariful Islam
- Institute of Marine Sciences of Andalusia (CSIC), Department of Ecology and Coastal Management, Campus Universitario Río San Pedro, s/n, 11510, Puerto Real, Spain; Department of Aquatic Resource Management, Faculty of Fisheries, Sylhet Agricultural University, Sylhet, 3100, Bangladesh; Management and Conservation of the Sea, University of Cadiz, 11510, Puerto Real, Spain.
| | - Isabel Lopes
- CESAM & Department of Biology, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
| | - Inês Domingues
- CESAM & Department of Biology, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
| | - Daniel C V R Silva
- Institute of Exact Sciences, Federal University of Southern and Southeastern Pará, Marabá, 68507-590, Pará, Brazil; Institute of Natural Resources, Federal University of Itajubá (UNIFEI), Laboratory of Limnology and Ecotoxicolo Gy, Itajubá, 37500-903, Minas Gerais, Brazil.
| | - Julián Blasco
- Institute of Marine Sciences of Andalusia (CSIC), Department of Ecology and Coastal Management, Campus Universitario Río San Pedro, s/n, 11510, Puerto Real, Spain.
| | - Joana Luísa Pereira
- CESAM & Department of Biology, University of Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
| | - Cristiano V M Araújo
- Institute of Marine Sciences of Andalusia (CSIC), Department of Ecology and Coastal Management, Campus Universitario Río San Pedro, s/n, 11510, Puerto Real, Spain.
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Hamza YI, Bream AS, Mahmoud MA, El-Tabakh MAM. Environmental impacts of industrial activities on floral coverage with special emphasis on detoxification enzyme activities in Cataglyphis savignyi as pollution biomarker. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:113758-113773. [PMID: 37851257 PMCID: PMC10663209 DOI: 10.1007/s11356-023-30367-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2023] [Accepted: 10/05/2023] [Indexed: 10/19/2023]
Abstract
The present study investigates the environmental impact of industrial activities on floral coverage within the major industrial district of Borg El-Arab City, Egypt. Additionally, it aims to evaluate the detoxification enzymatic activity of Cataglyphis savignyi as a pollution biomarker. To achieve this objective, seasonal soil samples were collected from the studied sites to determine soil properties and heavy metal concentrations. Furthermore, a seasonal specimen of C. savignyi was collected to study the enzymatic activity of acetylcholinesterase (AChE) and glutathione-S-transferase (GST). Heavy metal contamination pollution indices were calculated, and fourteen plant species were identified at the investigated sites for four successive seasons from 2020 to 2021. The soil physicochemical parameters significantly varied in the industrial sites compared to the control site. The accumulation of heavy metal contamination in soil for investigated sites followed the order Ni > As > Pb > Hg. Calculated Cdeg and PLI for industrial 3 revealed a very high degree of contamination, attributed to increased industrial activity from the chemical and silicate factories that characterize this region. The current results highlight the inhibition of GST levels in C. savignyi at the industrial site compared to the control site. In contrast, AChE increases, which might be due to heavy metals enhancing acetylcholine activity at synapses. Consequently, the antioxidant enzymatic activities are useful as biomarkers for assessing and monitoring environmental contamination. In conclusion, this study underscores insects as potent biomarkers for heavy metal contamination, marking a significant advancement in environmental monitoring. These bioindicators offer crucial insights into the impacts of climate change and industrial pollution. The research reveals distinct plant diversity variations and higher heavy metal content in industrial sites, indicating pronounced contamination. Additionally, the study highlights altered enzyme activities in insects, emphasizing their utility as biomarkers for assessing environmental contamination. This work represents a substantial leap forward in comprehending the complex dynamics between contamination and ecological balance.
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Affiliation(s)
- Yasser I Hamza
- Zoology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Ahmed S Bream
- Zoology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
| | - Mohammed A Mahmoud
- Zoology Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
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Theys C, Verheyen J, Janssens L, Tüzün N, Stoks R. Effects of heat and pesticide stress on life history, physiology and the gut microbiome of two congeneric damselflies that differ in stressor tolerance. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 875:162617. [PMID: 36871721 DOI: 10.1016/j.scitotenv.2023.162617] [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: 10/07/2022] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
The combined impact of toxicants and warming on organisms is getting increased attention in ecotoxicology, but is still hard to predict, especially with regard to heat waves. Recent studies suggested that the gut microbiome may provide mechanistic insights into the single and combined stressor effects on their host. We therefore investigated effects of sequential exposure to a heat spike and a pesticide on both the phenotype (life history and physiology) and the gut microbiome composition of damselfly larvae. We compared the fast-paced Ischnura pumilio, which is more tolerant to both stressors, with the slow-paced I. elegans, to obtain mechanistic insights into species-specific stressor effects. The two species differed in gut microbiome composition, potentially contributing to their pace-of-life differences. Intriguingly, there was a general resemblance between the stressor response patterns in the phenotype and in the gut microbiome, whereby both species responded broadly similar to the single and combined stressors. The heat spike negatively affected the life history of both species (increased mortality, reduced growth rate), which could be explained not only by shared negative effects on physiology (inhibition of acetylcholinesterase, increase of malondialdehyde), but also by shared effects on gut bacterial species' abundances. The pesticide only had negative effects (reduced growth rate, reduced net energy budget) in I. elegans. The pesticide generated shifts in the bacterial community composition (e.g. increased abundance of Sphaerotilus and Enterobacteriaceae in the gut microbiome of I. pumilio), which potentially contributed to the relatively higher pesticide tolerance of I. pumilio. Moreover, in line with the response patterns in the host phenotype, the effects of the heat spike and the pesticide on the gut microbiome were mainly additive. By contrasting two species differing in stress tolerance, our results suggest that response patterns in the gut microbiome may improve our mechanistic understanding of single and combined stressor effects.
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Affiliation(s)
- Charlotte Theys
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium.
| | - Julie Verheyen
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
| | - Lizanne Janssens
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
| | - Nedim Tüzün
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium; Department of Evolutionary and Integrative Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Müggelseedamm 301, 12587 Berlin, Germany
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
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10
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Verheyen J, Cuypers K, Stoks R. Adverse effects of the pesticide chlorpyrifos on the physiology of a damselfly only occur at the cold and hot extremes of a temperature gradient. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 326:121438. [PMID: 36963457 DOI: 10.1016/j.envpol.2023.121438] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 02/13/2023] [Accepted: 03/10/2023] [Indexed: 06/18/2023]
Abstract
Ecotoxicological studies considerably improved realism by assessing the toxicity of pollutants at different temperatures. Nevertheless, they may miss key interaction patterns between pollutants and temperature by typically considering only part of the natural thermal gradient experienced by species and ignoring daily temperature fluctuations (DTF). We therefore tested in a common garden laboratory experiment the effects of the pesticide chlorpyrifos across a range of mean temperatures and DTF on physiological traits (related to oxidative stress and bioenergetics) in low- and high-latitude populations of Ischnura elegans damselfly larvae. As expected, the impact of chlorpyrifos varied along the wide range of mean temperatures (12-34 °C). None of the physiological traits (except the superoxide anion levels) were affected by chlorpyrifos at the intermediate mean temperatures (20-24 °C). Instead, most of them were negatively affected by chlorpyrifos (reduced activity levels of the antioxidant defense enzymes superoxide dismutase [SOD], catalase [CAT] and peroxidase [PER], and a reduced energy budget) at the very high (≥28 °C) or extreme high temperatures (≥32 °C), and to lesser extent at the lower mean temperatures (≤16 °C). Notably, at the lower mean temperatures the negative impact of chlorpyrifos was often only present or stronger under DTF. Although the chlorpyrifos effects on the physiological traits greatly depended on the experimentally imposed thermal gradient, patterns were mainly consistent across the natural latitude-associated thermal gradient, indicating the generality of our results. The thermal patterns in chlorpyrifos-induced physiological responses contributed to the observed toxicity patterns in life history (reduced survival and growth at low and high mean temperatures). Taken together, our results underscore the importance of evaluating pesticide toxicity along a temperature gradient and of taking a mechanistic approach with a focus on physiology, to improve our understanding of the combined effects of pollutants and temperature in natural populations.
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Affiliation(s)
- Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium.
| | - Kiani Cuypers
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
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11
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Verheyen J, Stoks R. Thermal Performance Curves in a Polluted World: Too Cold and Too Hot Temperatures Synergistically Increase Pesticide Toxicity. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:3270-3279. [PMID: 36787409 DOI: 10.1021/acs.est.2c07567] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Ecotoxicological studies typically cover only a limited part of the natural thermal range of populations and ignore daily temperature fluctuations (DTFs). Therefore, we may miss important stressor interaction patterns and have poor knowledge on how pollutants affect thermal performance curves (TPCs), which is needed to improve insights into the fate of populations to warming in a polluted world. We tested the single and combined effects of pesticide exposure and DTFs on the TPCs of low- and high-latitude populations of Ischnura elegans damselfly larvae. While chlorpyrifos did not have any effect at the intermediate mean temperatures (20-24 °C), it became toxic (reflecting synergisms) at lower (≤16 °C, reduced growth) and especially at higher (≥28 °C, reduced survival and growth) mean temperatures, resulting in more concave-shaped TPCs. Remarkably, these toxicity patterns were largely consistent at both latitudes and hence across a natural thermal gradient. Moreover, DTFs magnified the pesticide-induced survival reductions at 34 °C. The TPC perspective allowed us to identify different toxicity patterns and interaction types (mainly additive vs synergistic) across the thermal gradient. This highlights the importance of using thermal gradients to make more realistic predictions about the impact of pesticides in a warming world and of warming in a polluted world.
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Affiliation(s)
- Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
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12
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Ambekar AA, Sivaperumal P, Kamala K, Kubal P, Prakash C. Effect of temperature changes on antioxidant enzymes and oxidative stress in gastropod Nerita oryzarum collected along India's first Tarapur Atomic Power Plant site. ENVIRONMENTAL RESEARCH 2023; 216:114334. [PMID: 36162475 DOI: 10.1016/j.envres.2022.114334] [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: 05/26/2022] [Revised: 08/30/2022] [Accepted: 09/09/2022] [Indexed: 06/16/2023]
Abstract
Temperature can be considered as pro-oxidant factor that favor the generation of ROS on the species with lower antioxidant efficiency may leads to affect the level of tolerance. So the basic antioxidant enzyme activity (LPO, CAT, SOD, GPx and GST) of gastropod Nerita oryzarum was evaluated at six stations which located between the thermal effluent discharges points from Tarapur Atomic Power Station, India. The antioxidant enzyme activity was shown that all enzyme at discharge point (SII station) where the maximum temperature of heated effluent released. The average maximum values of enzyme activity recorded for LPO, CAT, SOD, GPx and GST were 1.88 ± 0.12, 1.52 ± 0.14, 22.57 ± 0.89, 1.98 ± 0.2 and 17.22 ± 0.63 respectively. The results were inferred the level water temperature directly proportional to the oxidative stress by ROS generation in Nerita oryzarum. Similar results were observed at laboratory experiment under the condition i.e., Treatment 1 (300C), Treatment 2 (350C), Treatment 3 (400C) and Control (250C). The present prima facie work clearly indicated the physiological response of N. oryzarum with respect to antioxidant enzyme activity against the heated effluent released, which will be useful as baseline information for future research work.
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Affiliation(s)
- Ajit A Ambekar
- Department of Zoology, Smt.Devkiba Mohansinhaji Chauhan College of Commerce and Science, Silvassa, UT of Dadra and Nagar Haveli, 396 230, India; Department of Applied Zoology, Mangalore University, Mangalagangothri, Mangalore, 574 199, India; ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (West), Mumbai, 400061, India.
| | - Pitchiah Sivaperumal
- Marine Biomedical Research Lab & Environmental Toxicology Unit, Department of Research and Analytics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences, Saveetha University, Chennai, 600077, Tamil Nadu, India.
| | - Kannan Kamala
- Department of Physiology, Saveetha Dental College and Hospitals, Saveetha Institute of Medical & Technical Sciences, Saveetha University, Chennai, 600077, Tamil Nadu, India
| | - Priti Kubal
- Department of Applied Zoology, Mangalore University, Mangalagangothri, Mangalore, 574 199, India; ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (West), Mumbai, 400061, India
| | - Chandra Prakash
- ICAR-Central Institute of Fisheries Education, Panch Marg, Off Yari Road, Versova, Andheri (West), Mumbai, 400061, India
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13
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Smollich E, Büter M, Schertzinger G, Dopp E, Sures B. Photolytic degradation of novel polymeric and monomeric brominated flame retardants: Investigation of endocrine disruption, physiological and ecotoxicological effects. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120317. [PMID: 36191796 DOI: 10.1016/j.envpol.2022.120317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 09/24/2022] [Accepted: 09/27/2022] [Indexed: 06/16/2023]
Abstract
Ecotoxicological effects of photolytic degradation mixtures of the two brominated flame retardants PolymericFR and Tetrabromobisphenol A-bis (2,3-dibrom-2-methyl-propyl) Ether (TBBPA-BDBMPE) have been studied in vitro and in vivo. Both substances were experimentally degraded separately by exposure to artificial UV-light and the resulting degradation mixtures from different time points during the UV-exposure were applied in ecotoxicological tests. The in vitro investigation showed no effects of the degraded flame retardants on the estrogenic and androgenic receptors via the CALUX (chemically activated luciferase gene expression) assay. Short-term exposures (up to 96 h) of Lumbriculus variegatus lead to temporary physiological reactions of the annelid. The exposure to degraded PolymericFR lead to an increased activity of Catalase, while the degradation mixture of TBBPA-BDBMPE caused increases of Glutathione-S-transferase and Acetylcholine esterase activities. Following a chronic exposure (28 d) of L. variegatus, no effects on the growth, reproduction, fragmentation and energy storage of the annelid were detected. The results indicate that the experimental degradation of the two flame retardants causes changes in their ecotoxicological potential. This might lead to acute physiological effects on aquatic annelids, which, however, do not affect the animals chronically according to our results.
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Affiliation(s)
- Esther Smollich
- Faculty of Biology, Aquatic Ecology, University of Duisburg-Essen, Universitätsstraße 5, 45141, Essen, Germany.
| | - Malte Büter
- IWW Water Centre, Moritzstraße 26, 45476 Mülheim an der Ruhr, Germany
| | | | - Elke Dopp
- IWW Water Centre, Moritzstraße 26, 45476 Mülheim an der Ruhr, Germany; Centre for Water and Environmental Research (ZWU), Universitätsstraße 5, 45141, Essen, Germany
| | - Bernd Sures
- Faculty of Biology, Aquatic Ecology, University of Duisburg-Essen, Universitätsstraße 5, 45141, Essen, Germany; Centre for Water and Environmental Research (ZWU), Universitätsstraße 5, 45141, Essen, Germany
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14
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Martyniuk V, Gylytė B, Matskiv T, Khoma V, Tulaidan H, Gnatyshyna L, Orlova-Hudim K, Manusadžianas L, Stoliar O. Stress responses of bivalve mollusc Unio tumidus from two areas to ibuprofen, microplastic and their mixture. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:1369-1381. [PMID: 36208366 DOI: 10.1007/s10646-022-02594-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 09/23/2022] [Indexed: 06/16/2023]
Abstract
Even though bivalve molluscs are recognized as bioindicators of freshwater quality, their responses to multiple stressors are unpredictable. This study aims to elucidate the inter-population peculiarities of the effect in the sub-chronic environmentally relevant exposure to novel contaminants. The specimens of Unio tumidus from reference (Pr) and contaminated (Ct) areas were treated with ibuprofen (IBU, 0.8 µg L-1), microplastic (MP, 1.0 mg L-1, size 0.1-0.5 mm), or their combination (Mix) for 14 days. Untreated mussels (PrC- and CtC-groups) served as controls. The PrC-group had higher levels of antioxidants Mn-SOD, Cu,Zn-SOD, catalase, and cholinesterase (AChE) as well as lesser levels of oxidative lesions (TBARS and protein carbonyls) in digestive glands, indicating lower environmental impact than in the CtC-group. However, lysosomal stability was similar in both control groups. Among antioxidants, Mn-SOD activity was affected most prominently, increasing in all exposed Ct-groups. TBARS level was increased only in PrMP-group compared to responsive control. IBU and Mix enhanced protein carbonyl concentration in the Pr-groups, and decreased it in the Ct-groups. AChE was induced in the CtIBU- and PrMix-groups, and lysosomal integrity increased in the CtIBU and CtMix-groups. Discriminant analyses indicated lesser differences between Pr-groups, demonstrating lower cumulative stress compared to Ct-groups. Generally, the most remarkable response was revealed in the CtIBU-group, and distortion of individual effects was established in combined exposures. The qualification of stress-neutral and stress-positive populations was proposed for Pr- and Ct-populations correspondingly. Inter-site peculiarities must be taken into consideration when the environmental impact of MP and pharmaceuticals is evaluated.
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Affiliation(s)
- Viktoria Martyniuk
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | | | - Tetiana Matskiv
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
- I. Horbachevsky Ternopil National Medical University, Ternopil, Ukraine
| | - Vira Khoma
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Halyna Tulaidan
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Lesya Gnatyshyna
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
- I. Horbachevsky Ternopil National Medical University, Ternopil, Ukraine
| | | | | | - Oksana Stoliar
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine.
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15
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de Oliveira AC, Simões RC, Tavares CPS, Lima CAP, Costa Sá IS, da Silva FMA, Figueira EAG, Nunomura SM, Nunomura RCS, Roque RA. Toxicity of the essential oil from Tetradenia riparia (Hochstetter.) Codd (Lamiaceae) and its principal constituent against malaria and dengue vectors and non-target animals. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2022; 188:105265. [PMID: 36464370 DOI: 10.1016/j.pestbp.2022.105265] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 10/04/2022] [Accepted: 10/11/2022] [Indexed: 06/17/2023]
Abstract
Malaria and dengue are diseases transmitted by mosquitoes of the genera Anopheles and Aedes resistant to commercial insecticides, which are toxic to non-target animals. Alternatively, eco-friendly strategies have focused on searching for essential oil (EO) from plants to control these mosquitoes. In this aspect, this study was carried out to investigate the toxicity of the EO from Tetradenia riparia and its main constituent against Anopheles and Aedes larvae and non-target animals Toxorhynchites haemorrhoidalis and Gambusia affinis. The mechanism of the larvicidal action of the EO and its main compound was investigated by the acetylcholinesterase (AChE) inhibition. The EO from T. riparia was extracted by hydrodistillation with yield of 1.4 ± 0.17%. The analysis of the EO by GC-MS and GC-FID revealed fenchone (38.62%) as the main compound. The EO (100 ppm) showed larvicidal activity against Anopheles and Aedes larvae (91 to 100% of mortality) (LC50 from 29.31 to 40.76 ppm). On the other hand, fenchone (10 ppm) showed more activity (89 to 100% of mortality) (LC50 from 5.93 to 7.00 ppm) than the EO. The EO and fenchone caused the inhibition of AChE (IC50 from 1.93 to 2.65 ppm), suggesting the inhibition of this enzyme as a possible mechanism of larvicidal action. Regarding toxicity, the EO (1000 ppm) and fenchone (100 ppm) showed low toxicity against T. haemorrhoidalis and G. affinis (9 to 74% of mortality) (LC50 from 170.50 to 924.89 ppm) (SI/PSF from 17.99 to 31.91) than the α-cypermethrin (0.52 ppm) which was extremally toxic against these non-target animals (100% of mortality, LC50 from 0.22 to 0.29 ppm). This significant larvicidal activity of the T. riparia EO and its main constituent, along with the low toxicity towards non-target organisms indicate these samples as a possible eco-friendly alternative for the control of malaria and dengue vectors.
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Affiliation(s)
- André C de Oliveira
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, 69080-900 Manaus, Amazonas, Brazil; Laboratório de Malária e Dengue, Coordenação da Sociedade, Ambiente e Saúde, Instituto Nacional de Pesquisas da Amazônia, 69067-375 Manaus, Amazonas, Brazil.
| | - Rejane C Simões
- Laboratório de Malária e Dengue, Coordenação da Sociedade, Ambiente e Saúde, Instituto Nacional de Pesquisas da Amazônia, 69067-375 Manaus, Amazonas, Brazil; Fundação de Vigilância em Saúde do Amazonas, Dr Rosemary Costa Pinto, 69093-018 Manaus, Amazonas, Brazil
| | - Cláudia P S Tavares
- Laboratório de Malária e Dengue, Coordenação da Sociedade, Ambiente e Saúde, Instituto Nacional de Pesquisas da Amazônia, 69067-375 Manaus, Amazonas, Brazil
| | - Carlos A P Lima
- Laboratório de Malária e Dengue, Coordenação da Sociedade, Ambiente e Saúde, Instituto Nacional de Pesquisas da Amazônia, 69067-375 Manaus, Amazonas, Brazil
| | - Ingrity S Costa Sá
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, 69080-900 Manaus, Amazonas, Brazil
| | - Felipe M A da Silva
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, 69080-900 Manaus, Amazonas, Brazil
| | - Elder A G Figueira
- Fundação de Vigilância em Saúde do Amazonas, Dr Rosemary Costa Pinto, 69093-018 Manaus, Amazonas, Brazil
| | - Sergio M Nunomura
- Laboratório de Princípios Ativos da Amazônia, Coordenação de Tecnologia e Inovação, Instituto Nacional de Pesquisas da Amazônia, 69067-375 Manaus, Amazonas, Brazil
| | - Rita C S Nunomura
- Central Analítica, Centro de Apoio Multidisciplinar, Universidade Federal do Amazonas, 69080-900 Manaus, Amazonas, Brazil
| | - Rosemary A Roque
- Laboratório de Malária e Dengue, Coordenação da Sociedade, Ambiente e Saúde, Instituto Nacional de Pesquisas da Amazônia, 69067-375 Manaus, Amazonas, Brazil
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16
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Gabellone C, Molina G, Arrighetti F, Laino A, Garcia CF. Behavioral, Histological, and Physiological Evaluation of the Effect of Imidacloprid on the Spider Misumenops maculissparsus. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2152-2161. [PMID: 35723420 DOI: 10.1002/etc.5411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Revised: 04/25/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
The aim of the present study was to evaluate the effects of the neonicotinoid insecticide imidacloprid (commercial formulation) on juveniles of the spider Misumenops maculissparsus (Keyserling, 1891). We first analyzed whether spiders recognized the presence of the insecticide on surfaces and in drinking water (in the form of droplets). Next, we investigated if the insecticide generated histologic, physiologic, and/or biochemical alterations. We observed that spiders do not detect the insecticide on a surface (e.g., paper) or in the form of droplets. After the imidacloprid ingestion by droplet intake, most spiders exhibited a paralysis that reverted after 48 h. Consequently, we observed histopathologic damage (i.e., pigment accumulation, necrosis, and cuticle detachment), and an increased catalase (CAT) activity and total-protein concentration in the individuals treated. The activities of glutathione-S-transferase, glutathione peroxidase, glutathione reductase, and superoxide dismutase, however, did not undergo significant variations. The results obtained emphasize the need to consider different classes of biomarkers, such as CAT and other proteins, to identify and evaluate the histologic, biologic, and biochemical effects of imidacloprid, one of the most widely used insecticides. Environ Toxicol Chem 2022;41:2152-2161. © 2022 SETAC.
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Affiliation(s)
- Cecilia Gabellone
- Centro de Estudios Parasitológicos y Vectores (CEPAVE), La Plata, Argentina
| | - Gabriel Molina
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner", La Plata, Argentina
| | - Florencia Arrighetti
- CONICET-Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Ciudad Autónoma de Buenos Aires, Argentina
| | - Aldana Laino
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner", La Plata, Argentina
| | - Carlos Fernando Garcia
- Instituto de Investigaciones Bioquímicas de La Plata "Prof. Dr. Rodolfo R. Brenner", La Plata, Argentina
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17
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de Oliveira AC, Simões RC, Lima CAP, da Silva FMA, Nunomura SM, Roque RA, Tadei WP, Nunomura RCS. Essential oil of Piper purusanum C.DC (Piperaceae) and its main sesquiterpenes: biodefensives against malaria and dengue vectors, without lethal effect on non-target aquatic fauna. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:47242-47253. [PMID: 35179689 DOI: 10.1007/s11356-022-19196-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/09/2022] [Indexed: 06/14/2023]
Abstract
The mosquito vectors of the genera Aedes and Anopheles present resistance to several commercial insecticides, which are also toxic to non-predator targets. On the other hand, essential oils are a promising source of insecticides. Thus, in this work, the essential oil from the leaves of Piper purusanum was characterized by gas chromatography-based approaches and evaluated as biodefensive against malaria and dengue vectors. The main compounds of P. purusanum essential oil were β-caryophyllene (57.05%), α-humulene (14.50%), and germacrene D (8.20%). The essential oil inhibited egg hatching (7.6 ± 1.5 to 95.6 ± 4.5%), caused larval death (LC50 from 49.84 to 51.60 ppm), and inhibited the action of acetylcholinesterase (IC50 of 2.29 µg/mL), which can be related to the mechanisms of action. On the other hand, the biological activities of β-caryophyllene, α-humulene, and germacrene D were higher than that of essential oil. In addition, these sesquiterpenes and essential oil did not show a lethal effect on Toxorhynchites splendens, Anisops bouvieri, Gambusia affinis, and Diplonychus indicus (LC50 from 2098.80 to 7707.13 ppm), although D. indicus is more sensitive (SI/PSF from 48.56 to 252.02 ppm) to essential oil, representing a natural alternative against these relevant vectors.
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Affiliation(s)
- André C de Oliveira
- Sample Opening Laboratory and Chemical Testing, Federal University of Amazonas, Manaus, AM, Brazil.
- Malaria and Dengue Laboratory, Coordination of Society, Environment and Health, National Institute of Amazonian Research, Manaus, AM, Brazil.
- Graduate Program in Pharmaceutical Innovation, Federal University of Amazonas, Manaus, AM, 69080-900, Brazil.
| | - Rejane C Simões
- Malaria and Dengue Laboratory, Coordination of Society, Environment and Health, National Institute of Amazonian Research, Manaus, AM, Brazil
- Amazonas Health Surveillance Foundation Dr. Rosemary Costa Pinto, Manaus, AM, Brazil
| | - Carlos A P Lima
- Sample Opening Laboratory and Chemical Testing, Federal University of Amazonas, Manaus, AM, Brazil
| | - Felipe M A da Silva
- Analytical Center, Multidisciplinary Support Center, Federal University of Amazonas, Manaus, AM, Brazil
| | - Sergio M Nunomura
- Amazonian Active Principles Laboratory, Technology and Innovation Coordination, National Institute for Amazonian Research, Manaus, AM, Brazil
| | - Rosemary A Roque
- Malaria and Dengue Laboratory, Coordination of Society, Environment and Health, National Institute of Amazonian Research, Manaus, AM, Brazil
| | - Wanderli P Tadei
- Malaria and Dengue Laboratory, Coordination of Society, Environment and Health, National Institute of Amazonian Research, Manaus, AM, Brazil
| | - Rita C S Nunomura
- Sample Opening Laboratory and Chemical Testing, Federal University of Amazonas, Manaus, AM, Brazil
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18
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Khoma V, Martinyuk V, Matskiv T, Gnatyshyna L, Baranovsky V, Gladiuk M, Gylytė B, Manusadžianas L, Stoliar O. Environmental concentrations of Roundup in combination with chlorpromazine or heating causes biochemical disturbances in the bivalve mollusc Unio tumidus. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:14131-14142. [PMID: 34601683 PMCID: PMC8487405 DOI: 10.1007/s11356-021-16775-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Bivalve molluscs represent the most recognized bioindicators of freshwater pollution. However, their ability to indicate specific xenobiotics in complex exposures is unclear. In this study, we aimed to track the particular effects of the pesticide Roundup (Rnd) and the antipsychotic drug chlorpromazine (Cpz) on the mussel Unio tumidus at the simpler environmentally relevant models. We treated the mussels by Rnd (17 μg L-1), Cpz (18 μg L-1), the mixture of Rnd and Cpz at 18 °C (RndCpz), and Rnd at 25 °C (RndT) and examined their digestive glands after 14 days of exposure. We analyzed total antioxidant capacity, glutathione (GSH&GSSG) and protein carbonyls levels, total and Zn-related concentrations of metallothioneins (MT and Zn-MT, respectively), the activities of CYP450-related EROD, glutathione S-transferase, cholinesterase, caspase-3, citrate synthase (CS), lysosomal membrane integrity (NRR), and Zn level in the tissue. Shared responses were indicated as the increase of the antioxidant, Zn-MT, and EROD levels, whereas the changes of Zn concentration, NRR, and caspase-3 activity were most diverse compared to control. According to discriminant analysis, complex exposures abolished the individual response traits and intensified the harmful effects that caused a decrease in the Zn level in the RndCpz- and RndT-groups and the loss of lysosomal integrity in the RndT-group. We concluded that multi-marker expertise with the application of integrated indices had benefits when evaluating the effects of complex exposures.
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Affiliation(s)
- Vira Khoma
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Viktoria Martinyuk
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Tetyana Matskiv
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
- I. Horbachevsky Ternopil National Medical University, Ternopil, Ukraine
| | - Lesya Gnatyshyna
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
- I. Horbachevsky Ternopil National Medical University, Ternopil, Ukraine
| | - Vitaliy Baranovsky
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | - Mykola Gladiuk
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine
| | | | | | - Oksana Stoliar
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Ternopil, Ukraine.
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Meng S, Tran TT, Van Dinh K, Delnat V, Stoks R. Acute warming increases pesticide toxicity more than transgenerational warming by reducing the energy budget. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 805:150373. [PMID: 34818764 DOI: 10.1016/j.scitotenv.2021.150373] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2021] [Revised: 09/02/2021] [Accepted: 09/12/2021] [Indexed: 06/13/2023]
Abstract
There is increasing awareness that the toxicity of pesticides can to a large extent be modulated by warming, and that temporal exposure scenarios may strongly affect the impact of two stressors. Nevertheless, we lack information on how the exposure duration to warming may shape pesticide toxicity under warming. Furthermore, despite that bioenergetic responses have the potential to generate mechanistic insights in how toxicants interact with warming, this has been understudied in ecotoxicology. To investigate whether warming duration modifies pesticide toxicity, mosquito larvae were exposed to a control temperature at 20 °C or three warming treatments at 24 °C (acute, developmental and transgenerational warming), and to four pesticide treatments (solvent control, and three chlorpyrifos concentrations) in a full factorial design. Chlorpyrifos increased mortality, growth rate and the energy consumed, and reduced the AChE (acetylcholinesterase) activity, the energy available, and the net energy budget (estimated as cellular energy allocation). The warming treatments did not affect mortality, AChE activity, and the energy consumed. However, acute warming increased the growth rate and decreased the energy available, while both acute and developmental warming decreased the cellular energy allocation. A first key finding was that the lethal and sublethal effects of chlorpyrifos were less strong under warming because of a higher degradation in the medium under warming. A second key finding was that, among the warming treatments, the pesticide toxicity was more increased under acute warming than under transgenerational warming. This could be explained by the negative impact of acute warming but not transgenerational warming on the net energy budget. The results in this study provide mechanistic insights that the exposure duration to warming can play an important role in modulating the impact of pesticides under warming. Therefore, including ecologically relevant temporal scenarios of exposure to warming is important in ecotoxicological studies.
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Affiliation(s)
- Shandong Meng
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, 3000 Leuven, Belgium.
| | - Tam T Tran
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, 3000 Leuven, Belgium; Institute of Aquaculture, Nha Trang University, Khanh Hoa, Viet Nam
| | - Khuong Van Dinh
- Institute of Aquaculture, Nha Trang University, Khanh Hoa, Viet Nam
| | - Vienna Delnat
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, 3000 Leuven, Belgium
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, 3000 Leuven, Belgium
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20
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Meng S, Delnat V, Stoks R. Multigenerational effects modify the tolerance of mosquito larvae to chlorpyrifos but not to a heat spike and do not change their synergism. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 292:118333. [PMID: 34637829 DOI: 10.1016/j.envpol.2021.118333] [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: 05/23/2021] [Revised: 10/03/2021] [Accepted: 10/07/2021] [Indexed: 06/13/2023]
Abstract
While interactions with global warming and multigenerational effects are considered crucial to improve risk assessment of pesticides, these have rarely been studied in an integrated way. While heat extremes can magnify pesticide toxicity, no studies tested how their combined effects may transmit to the next generation. We exposed mosquito larvae in a full factorial, two-generation experiment to a heat spike followed by chlorpyrifos exposure. As expected, the heat spike magnified the chlorpyrifos-induced lethal and sublethal effects within both generations. Only when preceded by the heat spike, chlorpyrifos increased mortality and reduced the population growth rate. Moreover, chlorpyrifos-induced reductions in heat tolerance (CTmax), acetylcholinesterase (AChE) activity and development time were further magnified by the heat spike. Notably, when parents were exposed to chlorpyrifos, the chlorpyrifos-induced lethal and sublethal effects in the offspring were smaller, indicating increased tolerance to chlorpyrifos. In contrast, there was no such multigenerational effect for the heat spike. Despite the adaptive multigenerational effect to the pesticide, the synergism with the heat spike was still present in the offspring generation. Generally, our results provide important evidence that short exposure to pulse-like global change stressors can strongly affect organisms within and across generations, and highlight the importance of considering multigenerational effects in risk assessment.
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Affiliation(s)
- Shandong Meng
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium.
| | - Vienna Delnat
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium
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21
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Arora S, Kumar A. Mixture toxicity assessment of selected insecticides to silver perch fingerling, Bidyanus bidyanus. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 226:112790. [PMID: 34653840 DOI: 10.1016/j.ecoenv.2021.112790] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 09/08/2021] [Accepted: 09/14/2021] [Indexed: 06/13/2023]
Abstract
The organophosphorus (OP) and carbamate (CB) insecticides are responsible for inhibition of the Acetylcholinesterase (AChE) enzyme. The AChE activity, therefore, has been demonstrated to be a potent biomarker for these insecticides in terrestrial and aquatic environments. The objective of this study was to investigate the response of AChE in the brain of four-week old fingerlings of silver perch, Bidyanus bidyanus exposed to OP and CB insecticides. The fish fingeling were exposed to three OPs and one CB insecticide as individual and their binary mixtures for 48 h. The OP insecticides with oxon (PO) as well as thion (PS) group gets oxidized to oxon analogs in biological systems. The 50% AChE inhibition (48 h EC50) in fingerling exposed to chlorpyrifos (CPF) and triazophos (TRZ) was evident at 2.3 and 6.7 µg/L, respectively. The toxicological interaction of three OPs and one CB insecticide was evaluated using the toxic unit method. A strong synergism was observed for binary combination of CPF with profenofos (PRF), and CPF with TAZ. In contrast, the mixture of TAZ with PRF and carbofuran (CBF) with CPF and PRF showed antagonistic behavior. Although OP and CB insecticides can break down rapidly in the environment, this study suggests that non-target aquatic biota may be exposed to mixtures of ChE-inhibiting insecticides for a period of several months, in agricultural regions where insecticides are applied for extended periods of the year. And at environmentally relevant concentrations such mixtures may lead to deleterious effects in non-target organisms.
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Affiliation(s)
- Sumitra Arora
- ICAR-National Research Centre for Integrated Pest Management, PUSA New Delhi-12, India.
| | - Anu Kumar
- Land and Water, CSIRO, Waite Campus, Urrbrae, South Australia 5064, Australia
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22
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Schuijt LM, Peng FJ, van den Berg SJP, Dingemans MML, Van den Brink PJ. (Eco)toxicological tests for assessing impacts of chemical stress to aquatic ecosystems: Facts, challenges, and future. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 795:148776. [PMID: 34328937 DOI: 10.1016/j.scitotenv.2021.148776] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Revised: 06/23/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
Monitoring of chemicals in the aquatic environment by chemical analysis alone cannot completely assess and predict the effects of chemicals on aquatic species and ecosystems. This is primarily because of the increasing number of (unknown) chemical stressors and mixture effects present in the environment. In addition, the ability of ecological indices to identify underlying stressors causing negative ecological effects is limited. Therefore, additional complementary methods are needed that can address the biological effects in a direct manner and provide a link to chemical exposure, i.e. (eco)toxicological tests. (Eco)toxicological tests are defined as test systems that expose biological components (cells, individuals, populations, communities) to (environmental mixtures of) chemicals to register biological effects. These tests measure responses at the sub-organismal (biomarkers and in vitro bioassays), whole-organismal, population, or community level. We performed a literature search to obtain a state-of-the-art overview of ecotoxicological tests available for assessing impacts of chemicals to aquatic biota and to reveal datagaps. In total, we included 509 biomarkers, 207 in vitro bioassays, 422 tests measuring biological effects at the whole-organismal level, and 78 tests at the population- community- and ecosystem-level. Tests at the whole-organismal level and biomarkers were most abundant for invertebrates and fish, whilst in vitro bioassays are mostly based on mammalian cell lines. Tests at the community- and ecosystem-level were almost missing for organisms other than microorganisms and algae. In addition, we provide an overview of the various extrapolation challenges faced in using data from these tests and suggest some forward looking perspectives. Although extrapolating the measured responses to relevant protection goals remains challenging, the combination of ecotoxicological experiments and models is key for a more comprehensive assessment of the effects of chemical stressors to aquatic ecosystems.
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Affiliation(s)
- Lara M Schuijt
- Aquatic Ecology and Water Quality Management group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands.
| | - Feng-Jiao Peng
- Wageningen Environmental Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands; Human Biomonitoring Research Unit, Department of Population Health, Luxembourg Institute of Health, 1 A-B rue Thomas Edison, 1445 Strassen, Luxembourg
| | - Sanne J P van den Berg
- Aquatic Ecology and Water Quality Management group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands; Wageningen Environmental Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands
| | - Milou M L Dingemans
- KWR Water Research Institute, Nieuwegein, the Netherlands; Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
| | - Paul J Van den Brink
- Aquatic Ecology and Water Quality Management group, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands; Wageningen Environmental Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands
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23
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Simbula G, Moltedo G, Catalano B, Martuccio G, Sebbio C, Onorati F, Stellati L, Bissattini AM, Vignoli L. Biological responses in pesticide exposed lizards (Podarcis siculus). ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:1017-1028. [PMID: 34176071 PMCID: PMC8295152 DOI: 10.1007/s10646-021-02440-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/08/2021] [Indexed: 05/13/2023]
Abstract
The release of contaminants as herbicides, fungicides and insecticides into the environment has been listed as one of the six major contributors to the global decline of reptiles. Although reptiles may face severe risk from contaminants due to their ecology and physiology, they are currently less studied than other vertebrate groups. In the present work, we investigated if and how different types of field treatment (conventional and organic) affected the health status of Italian wall lizard (Podarcis siculus) individuals in central Italy. We chose a multi-biomarker approach that evaluated the biological responses of lizards to the treatment by means of AChE activity in the nervous system, biotransformation enzymes activities and oxidative stress in the liver, micronuclei frequency measured in the erythrocytes, and rate of intestinal parasitic infection. Our findings showed evidence of effects of treatment in conventional areas and between sexes with significant oxidative stress due to hydroxyl radicals, that caused DNA damage. No difference of intestinal parasite infections was found among treatments. Podarcis siculus seems to be a good bioindicator in ecotoxicological studies and potentially in risk assessment of pesticides, although further analyses in laboratory and in the field are needed to achieve more accurate quantification of specific pesticide effects in relation to known exposure history and to understand if other mechanisms were involved in the toxicity and detoxification process of pesticides for this species.
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Affiliation(s)
- Giulia Simbula
- Dipartimento di Scienze, Università Roma Tre, Viale G. Marconi 446, 00146, Rome, Italy.
| | - Ginevra Moltedo
- Istituto Superiore per la Ricerca e la Protezione Ambientale - ISPRA, Via di Castel Romano, 100, Rome, Italy
| | - Barbara Catalano
- Istituto Superiore per la Ricerca e la Protezione Ambientale - ISPRA, Via di Castel Romano, 100, Rome, Italy
| | - Giacomo Martuccio
- Istituto Superiore per la Ricerca e la Protezione Ambientale - ISPRA, Via di Castel Romano, 100, Rome, Italy
| | - Claudia Sebbio
- Istituto Superiore per la Ricerca e la Protezione Ambientale - ISPRA, Via di Castel Romano, 100, Rome, Italy
| | - Fulvio Onorati
- Istituto Superiore per la Ricerca e la Protezione Ambientale - ISPRA, Via di Castel Romano, 100, Rome, Italy
| | - Luca Stellati
- Dipartimento di Scienze, Università Roma Tre, Viale G. Marconi 446, 00146, Rome, Italy
| | | | - Leonardo Vignoli
- Dipartimento di Scienze, Università Roma Tre, Viale G. Marconi 446, 00146, Rome, Italy
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24
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Başalan Över S, Guven C, Taskin E, Çakmak A, Piner Benli P, Sevgiler Y. Effects of Different Ammonia Levels on Tribenuron Methyl Toxicity in Daphnia magna. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 81:46-57. [PMID: 33864096 DOI: 10.1007/s00244-021-00841-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Accepted: 04/01/2021] [Indexed: 06/12/2023]
Abstract
The present study investigates the toxicity of the herbicide tribenuron methyl (TBM) as an anthropogenic agent and ammonia as an abiotic factor on Daphnia magna at environmentally relevant concentrations. These stressors may coexist in surface waters in agricultural regions. To achieve this objective, D. magna were exposed to TBM at a nominal concentration of 0.81 μg/L in association with a low ammonia (LA) concentration of 0.65 mg/L and a high ammonia (HA) concentration of 1.61 mg/L in acute toxicity tests of 96-h duration and chronic toxicity tests of 21-day duration. The D. magna also were exposed to TBM, HA, and LA singly. The D. magna were analysed for various biomarkers of sublethal toxicity. Glutathione peroxidase (GPx), glutathione S-transferase (GST), cholinesterase (ChE) enzyme activities, and levels of thiobarbituric acid reactive substances (TBARS) and total protein were determined spectrophotometrically. Mitochondrial membrane potential (MMP) was analysed by microscopy with fluorescence staining. Cytochrome c and 5' AMP-activated protein kinase (AMPK) were analysed by Western blotting. Morphometric properties were examined microscopically. This is the first study in which AMPK, an indicator of intracellular energy, was measured in D. magna. GST and ChE enzyme activities and TBARS and total protein levels did not change during acute exposures (i.e., 96 h) in all treatments. GPx activity increased in D. magna from the HA + TBM treatment compared with single-exposure groups. The level of cytochrome c protein was elevated in D. magna from the LA and LA + TBM treatments. AMPK protein levels increased in all treatments with daphnids, except in the LA group. MMP was depolarised in D. magna from all treatments, whereas the most notable change was observed in HA + TBM mixture group in chronic exposures. The results show that GST and ChE may not be sensitive biomarkers for evaluating the sublethal toxic effects to D. magna exposed to environmentally relevant concentrations of ammonia and TBM. Acute and chronic exposure to ammonia and TBM probably caused an energetic crisis in D. magna. Therefore, AMPK and MMP are promising biomarkers for these toxicants.
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Affiliation(s)
- Sevgi Başalan Över
- Department of Biology, Institute of Natural and Applied Sciences, Adıyaman University, 02040, Adıyaman, Turkey
| | - Celal Guven
- Department of Biophysics, Faculty of Medicine, Niğde Ömer Halisdemir University, 51240, Niğde, Turkey
| | - Eylem Taskin
- Department of Physiology, Faculty of Medicine, Niğde Ömer Halisdemir University, 51240, Niğde, Turkey
| | - Arif Çakmak
- Department of Biology, Institute of Natural and Applied Sciences, Adıyaman University, 02040, Adıyaman, Turkey
| | - Petek Piner Benli
- Department of Veterinary Pharmacology and Toxicology, Faculty of Ceyhan Veterinary Medicine, Çukurova University, Adana, Turkey
| | - Yusuf Sevgiler
- Department of Biology, Faculty of Science and Letters, Adıyaman University, 02040, Adıyaman, Turkey.
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Analysis of the impact of three phthalates on the freshwater gastropod Physella acuta at the transcriptional level. Sci Rep 2021; 11:11411. [PMID: 34075110 PMCID: PMC8169832 DOI: 10.1038/s41598-021-90934-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Accepted: 05/17/2021] [Indexed: 01/18/2023] Open
Abstract
Plastic pollution is one of the leading environmental problems. Phthalates are widely used plastic additives released into the environment. Although the effects of phthalates on vertebrates have been extensively studied, there is a knowledge gap regarding their effects on invertebrates. This work analyzes the impact of three phthalates, diethyl phthalate (DEP), benzyl butyl phthalate (BBP), and bis-(2-ethylhexyl) phthalate (DEHP), on the gastropod Physella acuta at the molecular level to establish the putative pathways involved in its response to them. By real-time PCR, we obtained the expression profile of 30 genes in animals exposed for 1 week to 0.1, 10, and 1000 μg/L of each phthalate. The genes cover DNA repair, detoxification, apoptosis, oxidative and stress responses, immunity, energy reserves, and lipid transport. The results show that while DEP and DEHP did not alter the mRNA levels, BBP modulated almost all the analyzed genes. It can be concluded that the impact of BBP is extensive at the molecular level. However, it cannot be dismissed that the increase in transcriptional activity is a general response due to this compound's well-known role as an endocrine disruptor. Additional research is needed to elucidate the differences observed in the impact of these compounds on the gastropod P. acuta.
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Belaid C, Sbartai I. Assessing the effects of Thiram to oxidative stress responses in a freshwater bioindicator cladoceran (Daphnia magna). CHEMOSPHERE 2021; 268:128808. [PMID: 33160653 DOI: 10.1016/j.chemosphere.2020.128808] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 10/22/2020] [Accepted: 10/25/2020] [Indexed: 06/11/2023]
Abstract
Thiram (TMTD) is able to induce antioxidant defense and oxidative stress in different organisms. Moreover, Thiram can act as a prooxidant resulting in the formation of reactive oxygen species (ROS). To our knowledge, this is the first study assessing the oxidative stress induced by Thiram in the cladoceran Daphnia magna. At present, literature focus on the determination of toxicity in vertebrate organisms or cells, however, very few studies were interested to evaluate Thiram's effects in aquatic organisms such as cladoceran. To assess these effects, antioxidant GSH content, CAT and GST enzyme activities, cellular damages and lipid peroxidation indicators (MDA) were evaluated as oxidative stress biomarkers. Our results showed that acute Thiram exposure resulted in significant biochemical responses, demonstrating that Thiram induced oxidative damage. Indeed, following exposure to Thiram, we noticed an intracellular (GSH) depletion, associated with a marked increase of lipid membrane peroxidation as shown by high (MDA) production. Moreover, a dose-dependent induction of antioxidant key enzymes (CAT) and (GST) was found which led to an oxidative stress and finally death of Daphnia magna.
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Affiliation(s)
- Chahrazad Belaid
- Laboratory of Cellular Toxicology, Faculty of Sciences, Department of Biology, University of Badji Mokhtar, Annaba, B.P. 12, Annaba, 23000, Algeria.
| | - Ibtissem Sbartai
- Laboratory of Cellular Toxicology, Faculty of Sciences, Department of Biology, University of Badji Mokhtar, Annaba, B.P. 12, Annaba, 23000, Algeria
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27
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Rebechi D, Palacio-Cortés AM, Richardi VS, Beltrão T, Vicentini M, Grassi MT, da Silva SB, Alessandre T, Hasenbein S, Connon R, Navarro-Silva MA. Molecular and biochemical evaluation of effects of malathion, phenanthrene and cadmium on Chironomus sancticaroli (Diptera: Chironomidae) larvae. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 211:111953. [PMID: 33482495 DOI: 10.1016/j.ecoenv.2021.111953] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 12/27/2020] [Accepted: 01/14/2021] [Indexed: 06/12/2023]
Abstract
In-vitro effects of sub-lethal concentrations of malathion, phenanthrene (Phe) and cadmium (Cd) were tested on Chironomus sancticaroli larvae in acute bioassays by measuring biochemical and molecular parameters. Malathion was evaluated at 0.001, 0.0564 and 0.1006 mg L-1; Phe at 0.0025, 1.25 and 2.44 mg L-1; and Cd at 0.001, 3.2 and 7.4 mg L-1. The recovery test carried out at the highest concentration of each compound showed that survival of larvae exposed to Phe ranged from 4% to 5%, while the effects of malathion and Cd were irreversible, not allowing the emergence of adults. Results showed that malathion and Cd inhibited AChE, EST-α and ES-β activities at the two highest concentrations. Phe at 0.0025, 1.25 and 2.44 mg L-1; and Cd at 3.2 and 7.4 mg L-1 inhibited glutathione S-transferase activity. Oxidative stress was exclusively induced by the lowest concentration of malathion considering SOD activity once CAT was unaffected by the stressors. Lipid peroxidation was registered exclusively by malathion at the two highest concentrations, and total hemoglobin content was only reduced by Cd at the two highest concentrations. The relationship among biochemical results, examined using the PCA, evidenced that malathion and Cd concentrations were clustered into two groups, while Phe only formed one group. Four hemoglobin genes of C. sancticaroli were tested for the first time in this species, with Hemoglobin-C being upregulated by malathion. The toxicity ranking was malathion > Phe > Cd, while biochemical and molecular results showed the order malathion > Cd > Phe. Our results highlight the importance of combining different markers to understand the effects of the diverse compounds in aquatic organisms.
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Affiliation(s)
- Débora Rebechi
- Department of Zoology, Federal University of Paraná, Curitiba, Paraná, Brazil
| | | | | | - Tiago Beltrão
- Department of Zoology, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Maiara Vicentini
- Department of Zoology, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Marco Tadeu Grassi
- Department of Chemistry, Federal University of Paraná, Curitiba, Paraná, Brazil
| | | | - Thiago Alessandre
- Department of Chemistry, Federal University of Paraná, Curitiba, Paraná, Brazil
| | - Simone Hasenbein
- Department of Anatomy, Physiology & Cell Biology, University of California, Davis, CA, USA
| | - Richard Connon
- Department of Anatomy, Physiology & Cell Biology, University of California, Davis, CA, USA
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Herbert LT, Cossi PF, Painefilú JC, Mengoni Goñalons C, Luquet CM, Kristoff G. Acute neurotoxicity evaluation of two anticholinesterasic insecticides, independently and in mixtures, and a neonicotinoid on a freshwater gastropod. CHEMOSPHERE 2021; 265:129107. [PMID: 33288284 DOI: 10.1016/j.chemosphere.2020.129107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 11/05/2020] [Accepted: 11/22/2020] [Indexed: 06/12/2023]
Abstract
Neurotoxic insecticides are ubiquitous in aquatic ecosystems, frequently as part of complex mixtures. Freshwater gastropods are generally underrepresented in neurotoxicity evaluations and cumulative toxicity testing. This study investigates the behavioural and biochemical effects of acute exposures to the carbamate carbaryl, the organophosphate chlorpyrifos, and the neonicotinoid acetamiprid on the freshwater gastropod Chilina gibbosa. First, we evaluated behavioural neurotoxicity and cholinesterase (ChE), carboxylesterase (CE), and glutathione S-transferase (GST) activities in acute (48h) single-chemical exposures to increasing concentrations of carbaryl (0.5-500 μg L-1), chlorpyrifos (10-7500 μg L-1), and acetamiprid (1-10000 μg L-1). We then studied the effects of acute (48h) exposures to binary mixtures of carbaryl and chlorpyrifos equivalent to 0.5, 1, and 1.5 ChE 48h-IC50. None of the insecticides caused severe behavioural neurotoxicity, except for a significant lack of adherence by 5000 μg L-1 chlorpyrifos. Carbaryl caused concentration-dependent inhibition of ChEs (NOEC 5 μg L-1; 48h-IC50 45 μg L-1) and CEs with p-nitrophenyl butyrate as substrate (NOEC 5 μg L-1; 48h-IC50 37 μg L-1). Chlorpyrifos caused concentration-dependent inhibition of ChEs (NOEC 50 μg L-1; 48h-IC50 946 μg L-1) but did not affect CEs (NOEC ≥7500 μg L-1). Carbaryl-chlorpyrifos mixtures inhibited ChEs additively, inhibited CEs with p-nitrophenyl butyrate, and did not affect behaviour. GST activity was not affected by single or mixture exposures. Acute exposure to acetamiprid did not affect any of the endpoints evaluated. This study provides new information on carbaryl, chlorpyrifos, and acetamiprid toxicity on C. gibbosa, relevant to improve gastropod representation in ecotoxicological risk assessment.
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Affiliation(s)
- Lucila Thomsett Herbert
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires. Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina.
| | - Paula Fanny Cossi
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires. Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina.
| | - Julio César Painefilú
- Laboratorio de Ecotoxicología Acuática (INIBIOMA, UNCo-CONICET)-CEAN, Junín de Los Andes, Neuquén, Argentina.
| | | | - Carlos Marcelo Luquet
- Laboratorio de Ecotoxicología Acuática (INIBIOMA, UNCo-CONICET)-CEAN, Junín de Los Andes, Neuquén, Argentina.
| | - Gisela Kristoff
- Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires. Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina.
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Reyna PB, Albá ML, Rodríguez FA, Gonzalez M, Pegoraro C, Hued AC, Tatián M, Ballesteros ML. What does the freshwater clam, Corbicula largillierti, have to tell us about chlorothalonil effects? ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111603. [PMID: 33396123 DOI: 10.1016/j.ecoenv.2020.111603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2020] [Revised: 10/28/2020] [Accepted: 10/31/2020] [Indexed: 06/12/2023]
Abstract
Chlorothalonil (CLT) is a broad spectrum, and non-systemic fungicide applied in foliar structures to prevent and treat pathogens. This compound reaches to aquatic environments and affects the biota. In this context, the main goal of this study was to assess the effects of CLT at biochemical, tissular, and individual levels of biological organization using the invasive bivalve Corbicula largillierti as a bioindicator species. Clams were exposed to different sublethal concentrations (0, 10, 20 and 50 µg. L-1 CLT) for 96 h. At biochemical level, the enzymatic activity (Glutathione-s-Transferase, Catalase, Acetyl-, Butiryl- and Carboxyl-esterases) and lipid peroxidation were measured in gills and the visceral mass. Also, the digestive gland morphometry through quantitative histological indexes was registered at the tissular level. Finally, filtering activity and burial behavior at the individual level were measured. At the highest CLT concentration, the most significant changes were observed in enzymatic activity (except for butyrylcholinesterase), lipid peroxidation and in digestive gland morphometry. It was also registered increases of the filtering activity and the latency time to burial. Most of the biomarkers assessed showed significant responses under CLT exposure. Therefore, taking into account that C. largillierti was affected by CLT, it can be expected that other species could be in a potential risk if this fungicide is present in freshwater systems.
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Affiliation(s)
- P B Reyna
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA). Córdoba, Argentina
| | - M L Albá
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina
| | - F A Rodríguez
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina
| | - M Gonzalez
- Estresores Múltiples en el Ambiente (EMA), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, IIMyC, CONICET, (B7602AYL), Mar del Plata, Argentina
| | - C Pegoraro
- Estresores Múltiples en el Ambiente (EMA), Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, IIMyC, CONICET, (B7602AYL), Mar del Plata, Argentina; Departamento de Química, Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, CONICET, (B7602AYL), Mar del Plata, Argentina
| | - A C Hued
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA). Córdoba, Argentina
| | - M Tatián
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA). Córdoba, Argentina
| | - M L Ballesteros
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA). Córdoba, Argentina.
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Meng S, Delnat V, Stoks R. Mosquito larvae that survive a heat spike are less sensitive to subsequent exposure to the pesticide chlorpyrifos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:114824. [PMID: 32454381 DOI: 10.1016/j.envpol.2020.114824] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2019] [Revised: 04/10/2020] [Accepted: 05/14/2020] [Indexed: 06/11/2023]
Abstract
While extreme high temperatures are an important aspect of global warming, their effects on organisms are relatively understudied, especially in ecotoxicology. Sequential exposure to heat spikes and pesticides is a realistic scenario as both are typically transient stressors and are expected to further increase in frequency under global warming. We tested the effects of exposure to a lethal heat spike and subsequently to an ecologically relevant lethal pulse exposure of the pesticide chlorpyrifos in the larvae of mosquito Culex pipiens. The heat spike caused direct and delayed mortality, and resulted in a higher heat tolerance and activity of acetylcholinesterase, and a lower fat content in the survivors. The chlorpyrifos exposure caused mortality, accelerated growth rate, and decreased the heat tolerance and the activity of acetylcholinesterase. The preceding heat spike did not change how chlorpyrifos reduced the heat tolerance. Notably, the preceding heat spike did lower the lethal effect of the pesticide, which makes an important novel finding at the interface of ecotoxicology and global change biology, and adds a new dimension to the "climate-induced toxicant sensitivity" (CITS) concept. This may be due to both survival selection and cross-tolerance, and therefore likely a widespread phenomenon. Our results emphasize the importance of including extreme high temperatures as an important transient global change stressor in ecotoxicology.
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Affiliation(s)
- Shandong Meng
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium.
| | - Vienna Delnat
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium
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Garate OF, Gazzaniga S, Cochón AC. A comparative study of enzymatic and immunological parameters in Planorbarius corneus and Biomphalaria glabrata exposed to the organophosphate chlorpyrifos. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 225:105544. [PMID: 32569998 DOI: 10.1016/j.aquatox.2020.105544] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 06/05/2020] [Accepted: 06/07/2020] [Indexed: 05/24/2023]
Abstract
This study aimed to investigate the acute effects of chlorpyrifos on biomarkers related to neurotoxicity and immunotoxicity in two allopatric freshwater gastropod species belonging to the family Planorbidae. For this purpose, Planorbarius corneus and Biomphalaria glabrata were exposed to chlorpyrifos (active ingredient or commercial formulation) for 48 h at environmentally realistic concentrations (1 and 7.5 μg L-1). Basal acetylcholinesterase activity in soft tissues and hemolymph was almost one order of magnitude higher in P. corneus than in B. glabrata. However, upon chlorpyrifos exposure, statistically significant inhibition of enzymatic activity was registered in both species. Acetylcholinesterase was more sensitive to inhibition in soft tissues than in hemolymph. The highest inhibition was observed in the B. glabrata soft tissues exposed to the commercial formulation (88 % at 1 μg L-1 and 93 % at 7.5 μg L-1). Hemocyte number and lysosomal membrane stability did not show significant changes with respect to controls in any of the exposed groups. Superoxide anion generation was diminished (21-46 %) in P. corneus hemocytes exposed to the active ingredient and in B. glabrata hemocytes exposed to the active ingredient or the formulation. In contrast, hemocyte phagocytic activity increased in all exposed groups. Phagocytosis was most stimulated (89 %) in hemocytes sampled from B. glabrata treated with 7.5 μg L-1 chlorpyrifos. Altogether the results suggest that the freshwater gastropods P. corneus and B. glabrata are suitable model animals for environmental monitoring studies in the Northern Hemisphere and Latin America, respectively. Furthermore, these results add information on the relevance of testing pesticide formulations and on the usefulness of acetylcholinesterase inhibition and immunological parameters as biomarkers of the acute effects of chlorpyrifos in these species.
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Affiliation(s)
- Octavio F Garate
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Ciudad Universitaria, Intendente Güiraldes 2160, 1428, Ciudad Autónoma de Buenos Aires, Argentina
| | - Silvina Gazzaniga
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Ciudad Universitaria, Intendente Güiraldes 2160, 1428, Ciudad Autónoma de Buenos Aires, Argentina
| | - Adriana C Cochón
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Ciudad Universitaria, Intendente Güiraldes 2160, 1428, Ciudad Autónoma de Buenos Aires, Argentina.
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Cruz Santiago O, Ilizaliturri Hernández CA, Mejía Saavedra JDJ, Espinosa Reyes G, Alfaro de la Torre MC, González Mille DJ. Evaluación preliminar de biomarcadores enzimáticos en caracoles de agua dulce (<i>Pachychilus</i> sp.) del humedal “Ciénaga de Tamasopo”, México. ACTA BIOLÓGICA COLOMBIANA 2020. [DOI: 10.15446/abc.v25n1.75095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Se determinó la actividad de la enzima acetilcolinesterasa (AChE), el rango de conjugación de glutatión s-transferasa (GST) y la presencia de malondialdehído (MDA), como biomarcadores de exposición a plaguicidas, durante dos temporadas (secas y post-lluvias) en tejidos de macroinvertebrados acuáticos (caracoles de agua dulce -Pachychilus sp.-) residentes del humedal Ciénega de Tamasopo (San Luis Potosí, México). Esto se acompañó con un monitoreo de los parámetros fisicoquímicos en agua del humedal con una sonda multiparamétrica. La actividad de los biomarcadores se determinó en la fracción S12 (fracción post-mitocondrial) de tejidos de Pachychilus sp. mediante métodos de espectrofotometría UV-Visible en un lector de microplacas. Se encontró una menor actividad de AChE (39,0%) y un mayor rango de conjugación de GST (28,5%) seguido de una menor presencia (25,0%) de peroxidación lipídica (MDA) en la temporada de secas en el tejido de los caracoles. Además, se encontraron asociaciones significativas entre el rango de conjugación de GST con el resto los biomarcadores en ambas temporadas, lo cual es el resultado de procesos de desintoxicación en los caracoles. La actividad de los biomarcadores podría estar modulada por la salinidad regulando así la producción de enzimas antioxidantes y la toxicidad de los plaguicidas usados en las áreas agrícolas cercanas a este humedal. Los caracoles del género Pachychilus sp. pueden ser utilizados como como bioindicadores del estado de la salud de los humedales, lo cual puede derivar en el diseño de medidas de gestión para la conservación y manejo sustentable de estos ecosistemas.
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Cossi PF, Herbert LT, Yusseppone MS, Pérez AF, Kristoff G. Toxicity evaluation of the active ingredient acetamiprid and a commercial formulation (Assail® 70) on the non-target gastropod Biomphalaria straminea (Mollusca: Planorbidae). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 192:110248. [PMID: 32036096 DOI: 10.1016/j.ecoenv.2020.110248] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 12/20/2019] [Accepted: 01/22/2020] [Indexed: 06/10/2023]
Abstract
Neonicotinoids emerged as an environmentally safe alternative to previous generations of insecticides becoming one of the most widely applied in modern agriculture. Nevertheless, they have been reported to affect several non-target organisms. Most toxicity studies focus on the effects on pollinators or terrestrial invertebrates and evaluate either the active ingredient or the commercial formulation. In the present study, we aimed to assess the long-term effects of the active ingredient acetamiprid and a broadly used commercial formulation (Assail® 70) on the non-target freshwater gastropod Biomphalaria straminea using a battery of biomarkers. A 14 day-exposure of adult organisms to both active ingredient and commercial formulation increased carboxylesterase activity and glutathione content, inhibited superoxide dismutase activity and decreased reactive oxygen species levels. The commercial formulation additionally increased glutathione S-transferase activity and inhibited catalase activity. The results indicate a greater toxicity of the commercial formulation than that of the active ingredient alone. Cholinesterase activity, development and offspring survival of B. straminea were not impaired. We conclude that the toxicity of acetamiprid on this gastropod species is mainly related to effects on detoxification and oxidative metabolism responses. This study provides novel information about the adverse effects of the active ingredient and a commercial formulation of a widely used neonicotinoid on a non-target aquatic species.
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Affiliation(s)
- Paula Fanny Cossi
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina; Universidad Maimónides, CEBBAD, Laboratorio de Invertebrados Marinos, Buenos Aires, Argentina
| | - Lucila Thomsett Herbert
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina
| | - María Soledad Yusseppone
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Enzimología, Estrés Oxidativo, y Metabolismo, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina
| | - Analía Fernanda Pérez
- Universidad Maimónides, CEBBAD, Laboratorio de Invertebrados Marinos, Buenos Aires, Argentina
| | - Gisela Kristoff
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Química Biológica de La Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina.
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Gnatyshyna L, Khoma V, Mishchuk O, Martinyuk V, Spriņģe G, Stoliar O. Multi-marker study of the responses of the Unio tumidus from the areas of small and micro hydropower plants at the Dniester River Basin, Ukraine. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:11038-11049. [PMID: 31955329 DOI: 10.1007/s11356-020-07698-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2019] [Accepted: 01/09/2020] [Indexed: 06/10/2023]
Abstract
The impact of the hydropower plants (HPPs) on the aquatic life is expected, but the biochemical markers of ecotoxicity have not been investigated in relation to HPP proximity. The aim of this study was to compare the responses of mollusk Unio tumidus from the small HPP (reservoir (Ku) and downstream of the dam (Kd)) and micro HPP (upstream (Zu) and downstream of the dam (Zd)). In total, 11 indexes (n) from digestive gland, hemocytes (lysosomal integrity), and gonads (alkali-labile phosphates, ALP) were analyzed. The mollusks from the reservoir demonstrate the typical signs of toxic impact: cholinesterase and glutathione depletion, the highest glutathione S-transferase activity, and ratio of extralysosomal cathepsin D compare to all other groups. The specimens from the micro HPP have the highest levels of glutathione (Zd) and lipid peroxidation (Zu) and lesser Cu/Zn-SOD activity (Zu) than other groups. These indications of stressful conditions may derive from the regular oscillations in the water flow regimes at the micro HPP. For both HPPs, the responses of upstream and downstream groups are distinct. The calculated IBR/n (4.17, 3.85, 3.12, and 0.26 for Ku, Kd, Zu, and Zd correspondingly) gives a quantitative basis for the evaluation of environmental impact of HPPs. Graphical abstract .
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Affiliation(s)
- Lesya Gnatyshyna
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Kryvonosa Str 2, Ternopil, 46027, Ukraine
- I.Ya. Horbachevsky Ternopil National Medical University, Ternopil, Ukraine
| | - Vira Khoma
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Kryvonosa Str 2, Ternopil, 46027, Ukraine
| | | | - Viktoria Martinyuk
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Kryvonosa Str 2, Ternopil, 46027, Ukraine
| | - Gunta Spriņģe
- University of Latvia, Institute of Biology, Salaspils, Latvia
| | - Oksana Stoliar
- Ternopil Volodymyr Hnatiuk National Pedagogical University, Kryvonosa Str 2, Ternopil, 46027, Ukraine.
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Pallarés S, Sanchez-Hernandez JC, Colado R, Balart-García P, Comas J, Sánchez-Fernández D. Beyond survival experiments: using biomarkers of oxidative stress and neurotoxicity to assess vulnerability of subterranean fauna to climate change. CONSERVATION PHYSIOLOGY 2020; 8:coaa067. [PMID: 34504711 PMCID: PMC7437362 DOI: 10.1093/conphys/coaa067] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 04/19/2020] [Accepted: 07/12/2020] [Indexed: 05/06/2023]
Abstract
Accurate assessments of species vulnerability to climate change need to consider the physiological capacity of organisms to deal with temperature changes and identify early signs of thermally induced stress. Oxidative stress biomarkers and acetylcholinesterase activity are useful proxies of stress at the cellular and nervous system level. Such responses are especially relevant for poor dispersal organisms with limited capacity for behavioural thermoregulation, like deep subterranean species. We combined experimental measurements of upper lethal thermal limits, acclimation capacity and biomarkers of oxidative stress and neurotoxicity to assess the impact of heat stress (20°C) at different exposure times (2 and 7 days) on the Iberian endemic subterranean beetle Parvospeonomus canyellesi. Survival response (7 days of exposure) was similar to that reported for other subterranean specialist beetles (high survival up to 20°C but no above 23°C). However, a low physiological plasticity (i.e. incapacity to increase heat tolerance via acclimation) and signs of impairment at the cellular and nervous system level were observed after 7 days of exposure at 20°C. Such sublethal effects were identified by significant differences in total antioxidant capacity, glutathione S-transferase activity, the ratio of reduced to oxidized forms of glutathione and acetylcholinesterase activity between the control (cave temperature) and 20°C treatment. At 2 days of exposure, most biomarker values indicated some degree of oxidative stress in both the control and high-temperature treatment, likely reflecting an initial altered physiological status associated to factors other than temperature. Considering these integrated responses and the predicted increase in temperature in its unique locality, P. canyellesi would have a narrower thermal safety margin to face climate change than that obtained considering only survival experiments. Our results highlight the importance of exploring thermally sensitive processes at different levels of biological organization to obtain more accurate estimates of the species capacity to face climate change.
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Affiliation(s)
- Susana Pallarés
- Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK
- Departamento de Ciencias Ambientales, Instituto de Ciencias Ambientales, Universidad de Castilla-La Mancha, Avenida Carlos III, Toledo, 45071, Spain
- Corresponding author: Marine Biology and Ecology Research Centre, School of Biological and Marine Sciences, University of Plymouth, Drake Circus, PL4 8AA, Plymouth, UK.
| | - Juan C Sanchez-Hernandez
- Departamento de Ciencias Ambientales, Instituto de Ciencias Ambientales, Universidad de Castilla-La Mancha, Avenida Carlos III, Toledo, 45071, Spain
| | - Raquel Colado
- Departamento de Ciencias Ambientales, Instituto de Ciencias Ambientales, Universidad de Castilla-La Mancha, Avenida Carlos III, Toledo, 45071, Spain
- Departamento de Ecología e Hidrología, Universidad de Murcia, Campus de Espinardo, Murcia, 30100, Spain
| | - Pau Balart-García
- Water and cave beetle evolution Lab, Institut de Biologia Evolutiva (CSIC-Universitat Pompeu Fabra), Passeig Maritim de la Barceloneta 37 Barcelona, 08003, Spain
| | - Jordi Comas
- Departamento de Artrópodos, Museu de Ciències Naturals, Parc del Fòrum, Plaza Leonardo da Vinci 4-5 Barcelona, 08019, Spain
| | - David Sánchez-Fernández
- Departamento de Ciencias Ambientales, Instituto de Ciencias Ambientales, Universidad de Castilla-La Mancha, Avenida Carlos III, Toledo, 45071, Spain
- Departamento de Ecología e Hidrología, Universidad de Murcia, Campus de Espinardo, Murcia, 30100, Spain
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Almeida AR, Salimian M, Ferro M, Marques PA, Goncalves G, Titus E, Domingues I. Biochemical and behavioral responses of zebrafish embryos to magnetic graphene/nickel nanocomposites. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 186:109760. [PMID: 31606642 DOI: 10.1016/j.ecoenv.2019.109760] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 09/03/2019] [Accepted: 10/03/2019] [Indexed: 06/10/2023]
Abstract
Graphene nanocomposites are emerging carbon-based materials with interesting electrical, mechanical, optical and magnetic properties, relevant for applications in different fields. Despite this increased use, the impact of graphene nanocomposites residues in the environment has not been properly studied. Thus, the goal of this work was to assess the toxicity of two nickel/graphene nanocomposites (G/Ni1 and G/Ni2) differing in size and shape to Danio rerio embryos. Their toxicity was evaluated using apical (mortality, development and hatching), biochemical [cholinesterase (ChE), glutathione-S-transferase (GST), and catalase (CAT) activities] and behavioral (locomotor activity) endpoints. At the tested concentrations, neither of the nanocomposites presented lethal or developmental effects. Nevertheless, both nanocomposites induced behavioral effects, reducing swimming distances. This effect was, however detected at lower concentrations in the G/Ni1 nanocomposite. At biochemical level, only G/Ni1 nanocomposite showed to interfere with the measured parameters, increasing the activities of ChE, CAT and GST. Differences in the effects induced by the two nanocomposites seem to be related not only with their size, but also with the shape and the ability to continuously release nickel ions to aqueous medium. This work highlights the importance of studying graphene nanocomposites effects to aquatic organisms even when acute toxicity is not expected. The relevance of the effects found in this work need to be further analyzed in light of the consequences to the long-term fitness of the organisms and in light of the environmental concentrations expected for this type of compounds.
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Affiliation(s)
- Ana Rita Almeida
- Department of Biology & CESAM, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Maryam Salimian
- TEMA-NRD, Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Marta Ferro
- Department of Material and Ceramic Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Paula Aap Marques
- TEMA-NRD, Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Gil Goncalves
- TEMA-NRD, Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Elby Titus
- TEMA-NRD, Department of Mechanical Engineering, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Inês Domingues
- Department of Biology & CESAM, University of Aveiro, 3810-193, Aveiro, Portugal.
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Pala A. The effect of a glyphosate-based herbicide on acetylcholinesterase (AChE) activity, oxidative stress, and antioxidant status in freshwater amphipod: Gammarus pulex (Crustacean). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:36869-36877. [PMID: 31745777 DOI: 10.1007/s11356-019-06804-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Accepted: 10/16/2019] [Indexed: 06/10/2023]
Abstract
This study had determined the effect of glyphosate-based herbicide (GBH) on acetylcholinesterase (AChE) enzyme activity, oxidative stress, and antioxidant status in Gammarus pulex. Firstly, the 96-h LC50 value of glyphosate on G. pulex was determined and calculated as 403 μg/L. Subsequently, the organisms were exposed to sub-lethal concentrations (10, 20, and 40 μg/L) of the determined GHB for 24 and 96 h. The samples were taken from control and GBH-treated groups at 24 and 96 h of study and analysed to determine the malondialdehyde (MDA) and reduced glutathione (GSH) levels, the AChE, superoxide dismutase (SOD), catalase (CAT), and glutathione peroxidase (GPx) enzyme activities. In the G. pulex exposed to GBH for 24 and 96 h, the MDA level increased significantly (p < 0.05). The GSH level, the AChE, the CAT, and the GPx activities decreased compared with the control group (p < 0.05). G. pulex exposure to GBH for 24 h showed a temporary reduction in the SOD. GBH exposure led to oxidative stress in the G. pulex as well as affected the cholinergic system of the organism. These results indicated that the parameters measured may be important indicators of herbicide contamination in G. pulex.
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Affiliation(s)
- Ayşegül Pala
- Faculty of Fisheries, Munzur University, Tunceli, Turkey.
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Reyna PB, Ballesteros ML, Albá ML, Bertrand L, González M, Miglioranza KSB, Tatián M, Hued AC. A multilevel response approach reveals the Asian clam Corbicula largillierti as a mirror of aquatic pollution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 692:175-187. [PMID: 31344570 DOI: 10.1016/j.scitotenv.2019.07.194] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/22/2019] [Accepted: 07/12/2019] [Indexed: 06/10/2023]
Abstract
The endobenthic bivalves are widely used as a bioindicators since they inhabit the sediment-water interface and are able to accumulate a different kind of contaminants. In the present work, we evaluated wild Corbicula largillierti (Phillippi, 1844) as a bioindicator of water quality in the central region of Argentina. The responses at different levels of the biological organization were used. We measured organochlorine pesticides (OCPs) and polychlorinated biphenyls (PCBs) levels in water and clams tissues. The biomarkers selected were enzymatic activities (Glutathione S-Transferase, Catalase, Acetyl-, Butyryl-cholinesterase, and Carboxylesterase) morphometry of the digestive gland, condition index and morphology of valves. In order to integrate all the responses a multivariate analysis and integrated stress index were applied. Our results showed the presence of contaminants along the studied river and the ability of C. largillierti to bioaccumulate them. All the biomarkers selected varied according to the water quality gradient, although there was no specific correlation with OCPs and PCBs levels. At the most polluted sites, the detoxification and oxidative stress enzymes, the morphometric analysis of the digestive gland and the variation in the morphology of the valves indicated the water quality degradation. The multivariate analyses allowed to discriminate the sites according to the different biomarker responses. The IBR index also showed a variation pattern according to the environmental quality gradient along the basin. According to the responses shown by C. largillierti we suggest this species as an useful bioindicator of aquatic pollution.
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Affiliation(s)
- P B Reyna
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina
| | - M L Ballesteros
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina
| | - M L Albá
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina
| | - L Bertrand
- Facultad de Ciencias Químicas, Universidad Nacional de Córdoba, Córdoba, Argentina; Centro de Investigaciones en Bioquímica e Inmunología, CONICET, Córdoba, Argentina
| | - M González
- Instituto de Investigaciones Marinas y Costeras (IIMyC), FCEyN, UNMdP-CONICET, Mar del Plata, Argentina
| | - K S B Miglioranza
- Instituto de Investigaciones Marinas y Costeras (IIMyC), FCEyN, UNMdP-CONICET, Mar del Plata, Argentina
| | - M Tatián
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina
| | - A C Hued
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales Departamento de Diversidad Biológica y Ecología, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina.
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Verheyen J, Stoks R. Shrinking Body Size and Physiology Contribute to Geographic Variation and the Higher Toxicity of Pesticides in a Warming World. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:11515-11523. [PMID: 31498598 DOI: 10.1021/acs.est.9b03806] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
To improve current and future risk assessment of pesticides under global warming, mechanistic insights and consideration of daily temperature fluctuations (DTFs) are needed. One overlooked mechanism how both higher mean temperatures and DTFs may increase toxicity is by reducing body size (temperature-size-rule). We studied whether a higher mean temperature and DTF magnified chlorpyrifos toxicity in Ischnura elegans damselfly larvae, and whether this was mediated by temperature-induced reductions in body size and/or physiological changes. The lethal effects of chlorpyrifos were magnified at the high mean temperature (up to ∼15%) and under DTF (up to ∼33%), and especially at their combination (up to ∼46%) indicating synergisms. This highlights that not only considering DTFs, but also their interaction with higher mean temperatures is pivotal for realistic predictions of pesticide toxicity. Both higher temperatures and DTFs resulted in smaller larvae, which were more sensitive to chlorpyrifos. Notably, the DTF-induced smaller body sizes, as well as the higher oxidative damage to lipids, contributed to the higher chlorpyrifos toxicity under DTF. By integrating the temperature-size rule and size-pesticide sensitivity pattern we provide proof-of-principle for a novel, likely general mechanism contributing to geographic variation and the higher toxicity of pesticides in a warming world.
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Affiliation(s)
- Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology , University of Leuven , Charles Deberiotstraat 32 , B-3000 Leuven , Belgium
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology , University of Leuven , Charles Deberiotstraat 32 , B-3000 Leuven , Belgium
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Thiour-Mauprivez C, Martin-Laurent F, Calvayrac C, Barthelmebs L. Effects of herbicide on non-target microorganisms: Towards a new class of biomarkers? THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 684:314-325. [PMID: 31153078 DOI: 10.1016/j.scitotenv.2019.05.230] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2019] [Revised: 05/02/2019] [Accepted: 05/16/2019] [Indexed: 05/19/2023]
Abstract
Conventional agriculture still relies on the general use of agrochemicals (herbicides, fungicides and insecticides) to control various pests (weeds, fungal pathogens and insects), to ensure the yield of crop and to feed a constantly growing population. The generalized use of pesticides in agriculture leads to the contamination of soil and other connected environmental resources. The persistence of pesticide residues in soil is identified as a major threat for in-soil living organisms that are supporting an important number of ecosystem services. Although authorities released pesticides on the market only after their careful and thorough evaluation, the risk assessment for in-soil living organisms is unsatisfactory, particularly for microorganisms for which pesticide toxicity is solely considered by one global test measuring N mineralization. Recently, European Food Safety Authority (EFSA) underlined the lack of standardized methods to assess pesticide ecotoxicological effects on soil microorganisms. Within this context, there is an obvious need to develop innovative microbial markers sensitive to pesticide exposure. Biomarkers that reveal direct effects of pesticides on microorganisms are often viewed as the panacea. Such biomarkers can only be developed for pesticides having a mode of action inhibiting a specific enzyme not only found in the targeted organisms but also in microorganisms which are considered as "non-target organisms" by current regulations. This review explores possible ways of innovation to develop such biomarkers for herbicides. We scanned the herbicide classification by considering the mode of action, the targeted enzyme and the ecotoxicological effects of each class of active substance in order to identify those that can be tracked using sensitive microbial markers.
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Affiliation(s)
- Clémence Thiour-Mauprivez
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France; AgroSup Dijon, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21065 Dijon, France
| | - Fabrice Martin-Laurent
- AgroSup Dijon, INRA, Univ. Bourgogne, Univ. Bourgogne Franche-Comté, F-21065 Dijon, France
| | - Christophe Calvayrac
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France
| | - Lise Barthelmebs
- Univ. Perpignan Via Domitia, Biocapteurs-Analyses-Environnement, 66860 Perpignan, France; Laboratoire de Biodiversité et Biotechnologies Microbiennes, USR 3579 Sorbonne Universités (UPMC) Paris 6 et CNRS Observatoire Océanologique, 66650 Banyuls-sur-Mer, France.
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Sun L, Wang J, Li X, Cao C. Effects of phenol on glutathione S-transferase expression and enzyme activity in Chironomus kiiensis larvae. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:754-762. [PMID: 31254185 DOI: 10.1007/s10646-019-02071-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/15/2019] [Indexed: 06/09/2023]
Abstract
Detoxifying enzyme mRNAs are potentially useful stress biomarkers. Glutathione S-transferase (GST) metabolises lipophilic organic contaminants and mitigates oxidative damage caused by environmental pollutants. Herein, 12 Chironomus kiiensis GSTs (CkGSTs1-6, CkGSTt1-2, CkGSTd1-2, CkGSTm1-2) were cloned and grouped into sigma, theta, delta and microsomal subclasses. Open reading frames (450-699 bp) encode 170-232 amino acid proteins with predicted molecular masses of 17.31-26.84 kDa and isoelectric points from 4.94 to 9.58. All 12 GSTs were expressed during all tested developmental stages, and 11 displayed higher expression in fourth-instar larvae than eggs. GST activity after 24 h of phenol exposure was used to estimate environmental phenol contamination. After exposure to sublethal concentrations of phenol for 48 h, expression and activity of CkGSTs were inhibited in C. kiiensis larvae. Expression of CkGSTd1-2 and CkGSTs1-2 varied with phenol concentration, indicating potential use as biomarkers for monitoring environmental phenol contamination.
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Affiliation(s)
- Lili Sun
- Key Laboratory of Sustainable Forest Ecosystem Management, Ministry of Education, School of Forestry, Northeast Forestry University, 150040, Harbin, People's Republic of China
| | - Jiannan Wang
- Key Laboratory of Sustainable Forest Ecosystem Management, Ministry of Education, School of Forestry, Northeast Forestry University, 150040, Harbin, People's Republic of China
| | - Xiaopeng Li
- Key Laboratory of Sustainable Forest Ecosystem Management, Ministry of Education, School of Forestry, Northeast Forestry University, 150040, Harbin, People's Republic of China
| | - Chuanwang Cao
- Key Laboratory of Sustainable Forest Ecosystem Management, Ministry of Education, School of Forestry, Northeast Forestry University, 150040, Harbin, People's Republic of China.
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Application of PEG-Covered Non-Biodegradable Polyelectrolyte Microcapsules in the Crustacean Circulatory System on the Example of the Amphipod Eulimnogammarus verrucosus. Polymers (Basel) 2019; 11:polym11081246. [PMID: 31357585 PMCID: PMC6723028 DOI: 10.3390/polym11081246] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2019] [Revised: 07/22/2019] [Accepted: 07/24/2019] [Indexed: 02/02/2023] Open
Abstract
Layer-by-layer assembled microcapsules are promising carriers for the delivery of various pharmaceutical and sensing substances into specific organs of different animals, but their utility in vivo inside such an important group as crustaceans remains poorly explored. In the current study, we analyzed several significant aspects of the application of fluorescent microcapsules covered by polyethylene glycol (PEG) inside the crustacean circulatory system, using the example of the amphipod Eulimnogammarus verrucosus. In particular, we explored the distribution dynamics of visible microcapsules after injection into the main hemolymph vessel; analyzed the most significant features of E. verrucosus autofluorescence; monitored amphipod mortality and biochemical markers of stress response after microcapsule injection, as well as the healing of the injection wound; and finally, we studied the immune response to the microcapsules. The visibility of microcapsules decreased with time, however, the central hemolymph vessel was confirmed to be the most promising organ for detecting the spectral signal of implanted microencapsulated fluorescent probes. One million injected microcapsules (sufficient for detecting stable fluorescence during the first hours after injection) showed no toxicity for six weeks, but in vitro amphipod immune cells recognize the PEG-coated microcapsules as foreign bodies and try to isolate them by 12 h after contact.
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Rodrigues C, Bio A, Guimarães L, Fernandes VC, Delerue-Matos C, Vieira N. Assessing the ecological status of fluvial ecosystems employing a macroinvertebrate multi-taxon and multi-biomarker approach. ENVIRONMENTAL MONITORING AND ASSESSMENT 2019; 191:503. [PMID: 31332534 DOI: 10.1007/s10661-019-7629-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Accepted: 07/02/2019] [Indexed: 06/10/2023]
Abstract
Biomarkers are recognised sensitive early-warning tools of biological effects in aquatic organisms. In this scope, the main aim of this study was to investigate the potential usefulness of a battery of biomarkers, evaluated in different benthic macroinvertebrate taxa, to discriminate aquatic ecosystems with different levels of ecological status and to provide further clues supporting environmental management. The study took place during the autumn of 2013 and the spring and summer of 2014, and the study cases were two Mediterranean rivers (Âncora and Ferreira rivers), differing in their ecological status. The biomarkers determined are widely employed and comprise a large set of biochemical responses: the activity of enzymes (cholinesterases, glutathione S-transferases, catalase and lactate dehydrogenase) and the levels of lipid peroxidation. They were assessed seasonally and in different macroinvertebrate taxa. Thirteen water physico-chemical parameters were also seasonally determined, and the concentration of seven organophosphorus pesticides and the percentage of 32 trace metals in sediments were determined in the spring. This is particularly useful for water management. Based on this, authorities can take actions to prevent further damage in the ecological status. Multivariate analyses showed distinct patterns of biological response for the Calopteryx spp., Chironomidae and Baetis spp. taxa. Calopteryx spp. and Chironomidae, in particular, showed distinct response patterns for the two rivers, which were fairly stable across seasons. This study sets the foundations for future cost-effective biomonitoring campaigns in Mediterranean rivers, allowing to establish historical data important to understand ecosystem evolution, as well as baseline levels of diagnostic biomarkers in informative macroinvertebrate taxa.
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Affiliation(s)
- Carolina Rodrigues
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal.
- Departamento de Biologia da Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal.
| | - Ana Bio
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
| | - Laura Guimarães
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
| | - Virgínia C Fernandes
- Instituto Superior de Engenharia, Instituto Politécnico do Porto, REQUIMTE/LAQV, Rua Dr. António Bernardino de Almeida, 431, 4200-072, Porto, Portugal
| | - Cristina Delerue-Matos
- Instituto Superior de Engenharia, Instituto Politécnico do Porto, REQUIMTE/LAQV, Rua Dr. António Bernardino de Almeida, 431, 4200-072, Porto, Portugal
| | - Natividade Vieira
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Terminal de Cruzeiros do Porto de Leixões, Av. General Norton de Matos, s/n, 4450-208, Matosinhos, Portugal
- Departamento de Biologia da Faculdade de Ciências, Universidade do Porto, Rua do Campo Alegre, s/n, 4169-007, Porto, Portugal
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Van Dievel M, Janssens L, Stoks R. Additive bioenergetic responses to a pesticide and predation risk in an aquatic insect. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 212:205-213. [PMID: 31132738 DOI: 10.1016/j.aquatox.2019.05.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2019] [Revised: 05/14/2019] [Accepted: 05/14/2019] [Indexed: 06/09/2023]
Abstract
Ignoring natural stressors such as predation risk may contribute to the failure of ecological risk assessment of pesticides to protect freshwater biodiversity. To better understand combined effects of multiple stressors, bioenergetic responses are important as these inform about the balance between energy input and consumption, and provide a unifying mechanism to integrate the impact of multiple stressors with different modes of action. We studied in Enallagma cyathigerum damselfly larvae the single and combined effects of exposure to the pesticide chlorpyrifos and predation risk on life history (survival and growth rate) and bioenergetic response variables at the organismal level (assimilation and conversion efficiency) and the cellular level (cellular energy allocation CEA, energy storage Ea, and energy consumption Ec). Chlorpyrifos exposure almost halved the survival of the damselfly larvae, while predation risk had no effect on survival. Both exposure to the pesticide and to predation risk reduced larval growth rates. This was caused by a reduced conversion efficiency under chlorpyrifos exposure, and by a reduced assimilation efficiency under predation risk. Both chlorpyrifos and predation risk reduced the CEA because of a decreased Ea, and for chlorpyrifos also an increased Ec. The lower Ea was driven by reductions in the fat and glycogen contents. Effects of the pesticide and predation risk were consistently additive and for most variables the strongest response was detected when both stressors were present. The absence of any synergisms may be explained by the high mortality and hypometabolism caused by the pesticide. Our results indicate that CEA can be a sensitive biomarker to evaluate effects of not only contaminants but also natural stressors, such as predation risk, and their combined impact on organisms.
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Affiliation(s)
- Marie Van Dievel
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium.
| | - Lizanne Janssens
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
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Delnat V, Janssens L, Stoks R. Whether warming magnifies the toxicity of a pesticide is strongly dependent on the concentration and the null model. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 211:38-45. [PMID: 30921756 DOI: 10.1016/j.aquatox.2019.03.010] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 03/14/2019] [Accepted: 03/14/2019] [Indexed: 06/09/2023]
Abstract
How global warming changes the toxicity of contaminants is a research priority at the intersection of global change biology and ecotoxicology. While many pesticides are more toxic at higher temperatures this is not always detected. We studied whether deviations from this general pattern can be explained by concentration-dependent interaction effects and by testing the interaction against the inappropriate null model. We exposed larvae of the mosquito Culex pipiens to three concentrations of the pesticide chlorpyrifos (absence, low and high) in the absence and presence of 4 °C warming. Both the low and high chlorpyrifos concentration were lethal and generated negative sublethal effects: activity of acetylcholinesterase (AChE) and total fat content decreased, and oxidative damage to lipids increased, yet growth rate increased. Warming was slightly lethal, yet had positive sublethal effects: growth rate, total fat content and metabolic rate increased, and oxidative damage decreased. For four out of seven response variables the independent action model identified the expected synergistic interaction between chlorpyrifos and warming. Notably, for three variables (survival, AChE and fat content) this was strongly dependent on the chlorpyrifos concentration, and for two of these (AChE and fat content) not associated with a significant interaction in the general(ized) linear models. For survival and fat content, warming only potentiated chlorpyrifos (CPF) toxicity at the low CPF concentration, while the opposite was true for AChE. Our results highlight that taking into account concentration-dependence and appropriate null model testing is crucial to improve our understanding of the toxicity of contaminants in a warming world.
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Affiliation(s)
- Vienna Delnat
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium.
| | - Lizanne Janssens
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium
| | - Robby Stoks
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Belgium
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Verheyen J, Stoks R. Current and future daily temperature fluctuations make a pesticide more toxic: Contrasting effects on life history and physiology. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 248:209-218. [PMID: 30798022 DOI: 10.1016/j.envpol.2019.02.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 01/22/2019] [Accepted: 02/07/2019] [Indexed: 05/14/2023]
Abstract
There is increasing concern that climate change may make organisms more sensitive to chemical pollution. Many pesticides are indeed more toxic at higher mean temperatures. Yet, we know next to nothing about the effect of another key component of climate change, the increase of daily temperature fluctuations (DTFs), on pesticide toxicity. Therefore, we tested the effect of the pesticide chlorpyrifos under different levels of DTF (constant = 0 °C, low = 5 °C (current maximum level) and high = 10 °C (predicted maximum level under global warming)) around the same mean temperature on key life history and physiological traits of Ischnura elegans damselfly larvae in a common-garden experiment. At all levels of DTF, chlorpyrifos exposure was stressful: it reduced energy storage (fat content) and the activity of its target enzyme acetylcholinesterase, while it increased the activity of the detoxification enzyme cytochrome P450 monooxygenase. Notably, chlorpyrifos did not cause mortality or reduced growth rate at the constant temperature (0 °C DTF), yet increased mortality 6x and reduced growth rate with ca. 115% in the presence of DTF. This indicates that daily short-term exposures to higher temperatures can increase pesticide toxicity. Our data suggest that when 5 °C DTF will become more common in the studied high-latitude populations, this will increase the toxicity of CPF, and that a further increase from 5° DTF to 10 °C DTF may not result in a further increase of pesticide toxicity. Our results highlight the biological importance of including daily temperature fluctuations in ecological risk assessment of pesticides and as an extra dimension in the climate-induced toxicant sensitivity concept.
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Affiliation(s)
- Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium.
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000, Leuven, Belgium
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Park JC, Lee MC, Yoon DS, Han J, Park HG, Hwang UK, Lee JS. Genome-wide identification and expression of the entire 52 glutathione S-transferase (GST) subfamily genes in the Cu 2+-exposed marine copepods Tigriopus japonicus and Paracyclopina nana. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 209:56-69. [PMID: 30735907 DOI: 10.1016/j.aquatox.2019.01.020] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Revised: 01/23/2019] [Accepted: 01/23/2019] [Indexed: 06/09/2023]
Abstract
In this study, the entire glutathione S-transferases (GSTs), the major phase II detoxification enzyme, were identified in two marine copepod species Tigriopus japonicus and Paracyclopina nana. The genome-wide identification of GSTs in T. japonicus and P. nana resulted in 32 and 20 GSTs in total, respectively. Among the identified GSTs, two specific classes of GSTs, specifically sigma and delta/epsilon GSTs were the dominant form of cytosolic GSTs in T. japonicus, while delta/epsilon and mu classes were dominant cytosolic GSTs in P. nana. In addition, Membrane-Associated Proteins in Eicosanoid and Glutathione metabolism (MAPEG) family were found in relatively higher proportion compared to other classes. Moreover, sigma, delta/epsilon, and microsomal GSTs have shown to expand through tandem duplication. To validate the detoxification function of the identified GSTs, both copepods were exposed to copper (Cu2+) and the reactive oxygen species (ROS) level and GST activity were measured. With integration of phylogenetic analysis and xenobiotic-mediated GST mRNA expression patterns along with previous enzymatic activities, the functional divergence among species-specific GST genes was clearly observed. This study covers full identification of GST classes in two marine copepod species and their important role in marine environmental ecotoxicology.
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Affiliation(s)
- Jun Chul Park
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Min-Chul Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Deok-Seo Yoon
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jeonghoon Han
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Heum Gi Park
- Department of Marine Resource Development, College of Life Sciences, Gangneung-Wonju National University, Gangneung 25457, South Korea
| | - Un-Ki Hwang
- Marine Ecological Risk Assessment Center, West Sea Fisheries Research Institute, National Institute of Fisheries Science, Incheon 46083, South Korea
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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Herbert LT, Castro JM, Bianchi VA, Cossi PF, Luquet CM, Kristoff G. Effects of azinphos-methyl on enzymatic activity and cellular immune response in the hemolymph of the freshwater snail Chilina gibbosa. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2018; 150:71-77. [PMID: 30195390 DOI: 10.1016/j.pestbp.2018.07.005] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/02/2018] [Accepted: 07/12/2018] [Indexed: 06/08/2023]
Abstract
The use of a battery of biomarkers, especially those more closely related to species integrity, is desired for more complete ecotoxicological assessments of the effects of pesticide contamination on aquatic organisms. The phosphorodithioate azinphos-methyl has been intensively used in agriculture worldwide and have been found in the habitat of Chilina gibbosa, a freshwater snail endemic to South America. This snail has been proposed as a good model organism for ecotoxicity bioassays on the basis of studies focused mainly on enzymatic responses in whole tissue homogenates. Our aim was to evaluate the effect of an acute 48 h exposure to an environmental concentration of azinphos-methyl on C. gibbosa hemolymph enzymatic activity and cellular immune response. Our results show that cholinesterase activity was strongly inhibited (94%) in hemolymph of exposed snails. Carboxylesterase activity measured with p-nitrophenyl butyrate and glutathione S-transferase activity were augmented 47% and 89% respectively after exposure. No differences were found for hemolymph carboxylesterase activity measured with p-nitrophenyl acetate. These results differ from those reported for whole tissue homogenates and reveal that tissue-specific responses of enzymatic biomarkers exist in this species. Regarding immune cell response, hemocytes were identified for the first time for C. gibbosa. Their viability and phagocytic activity decreased after azinphos-methyl exposure although total number of circulating cells did not differ between treatments. We conclude that concentrations of azinphos-methyl that can be found in the environment can compromise both hemolymph cholinesterase activity and the immune system of C. gibbosa. Furthermore, we propose that carboxylesterase and glutathione S-transferase activities measured in hemolymph and hemocyte viability and phagocytic activity could be incorporated as sensitive biomarkers to evaluate the effects of pesticide exposure on this and related species.
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Affiliation(s)
- Lucila Thomsett Herbert
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina.; CONICET-Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Juan Manuel Castro
- Laboratorio de Ecotoxicología Acuática, INIBIOMA, UNCo-CONICET-CEAN, Junín de los Andes, Neuquén, Argentina
| | - Virginia Angélica Bianchi
- Laboratorio de Ecotoxicología Acuática, INIBIOMA, UNCo-CONICET-CEAN, Junín de los Andes, Neuquén, Argentina
| | - Paula Fanny Cossi
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina.; CONICET-Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina
| | - Carlos Marcelo Luquet
- Laboratorio de Ecotoxicología Acuática, INIBIOMA, UNCo-CONICET-CEAN, Junín de los Andes, Neuquén, Argentina
| | - Gisela Kristoff
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Química Biológica, Laboratorio de Ecotoxicología Acuática: Invertebrados Nativos, Buenos Aires, Argentina.; CONICET-Universidad de Buenos Aires, Instituto de Química Biológica de la Facultad de Ciencias Exactas y Naturales (IQUIBICEN), Buenos Aires, Argentina..
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49
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Ferrario C, Parolini M, De Felice B, Villa S, Finizio A. Linking sub-individual and supra-individual effects in Daphnia magna exposed to sub-lethal concentration of chlorpyrifos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 235:411-418. [PMID: 29310084 DOI: 10.1016/j.envpol.2017.12.113] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2017] [Revised: 12/15/2017] [Accepted: 12/28/2017] [Indexed: 06/07/2023]
Abstract
The main objective of the present study was to investigate possible links between sub-individual and supra-individual levels (i.e. population level) biomarkers in D. magna exposed to sublethal concentrations of the insecticide chlorpyrifos (CPF). To achieve the aim, 8-day old individuals were exposed for 96 h to two environmentally relevant concentrations of CPF (50 and 250 ng/L). Sub-individual level effects were investigated by measuring the activity of antioxidant (SOD, CAT, and GPx) and detoxifying (GST) enzymes, as well as by measuring the acetylcholinesterase (AChE) inhibition. In addition, the effects at supra-individual level were assessed by using a video-tracking system and analyzing changes in swimming capabilities (i.e. percentage of activity time, distance moved, and velocity). Our data have shown that daphnids exposed to both CPF concentrations were in a condition of stress which was highlighted by changes in both sub- and supra-individual biomarkers. Moreover, our results highlighted that the lowest tested CPF concentration did not modulate the antioxidant and detoxifying enzymes, whereas, an inhibition of AChE and a decrease of some parameters related to swimming behaviour (distance moved and velocity) were noted. On the contrary, significant changes in all the sub-individual biomarkers were measured at the highest tested concentration. In addition, organisms recovered the movement capability (distance moved) and also activate a mechanism of avoidance (increased swimming velocity). On the other hand, a reduction in the percent of active time was measured and this was attributed to the energy spent by organisms to activate antioxidant and detoxifying enzymes and the mechanism of avoidance. Based on these results, our study suggests the existence of a link between sub- and supra-individual levels, as the activation or non-activation in the antioxidant and detoxifying enzymes activities can led to different modifications of the swimming behaviour in D. magna.
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Affiliation(s)
- Claudia Ferrario
- Department of Earth and Environmental Sciences (DISAT), University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy
| | - Marco Parolini
- Department of Environmental Science and Policy, University of Milan, Via Celoria 2, I-20133 Milano, Italy
| | - Beatrice De Felice
- Department of Environmental Science and Policy, University of Milan, Via Celoria 2, I-20133 Milano, Italy
| | - Sara Villa
- Department of Earth and Environmental Sciences (DISAT), University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy
| | - Antonio Finizio
- Department of Earth and Environmental Sciences (DISAT), University of Milano-Bicocca, Piazza della Scienza 1, 20126 Milano, Italy.
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50
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de Beeck LO, Verheyen J, Stoks R. Strong differences between two congeneric species in sensitivity to pesticides in a warming world. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 618:60-69. [PMID: 29126027 DOI: 10.1016/j.scitotenv.2017.10.311] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Revised: 10/13/2017] [Accepted: 10/30/2017] [Indexed: 06/07/2023]
Abstract
To predict the impact of pesticides in a warming world we need to know how species differ in the interaction pathways between pesticides and warming. Trait-based approaches have been successful in identifying the 'pace of life' and body size as predictors of sensitivity to pesticides among distantly related species. However, it remains to be tested whether these traits allow predicting differences in sensitivity to pesticides between closely related species, and in the strength of the interaction pathways between pesticides and warming. We tested the effects of multiple pulses of chlorpyrifos (allowing accumulation) under warming on key life history traits, heat tolerance (CTmax) and physiology of two congeneric damselfly species: the fast-paced (fast growth and development, high metabolic rate), small Ischnura pumilio and the slow-paced, large I. elegans. Chlorpyrifos reduced survival and growth, but contrary to current trait-based predictions I. pumilio was 8× less sensitive than I. elegans. The lower sensitivity of I. pumilio could be explained by a higher fat content, and higher activities of acetylcholinesterase and of detoxifying and anti-oxidant enzymes. While for I. pumilio the effect of chlorpyrifos was small and did not depend on temperature, for I. elegans the impact was higher at 20°C compared to 24°C. This matches the higher pesticide accumulation in the water after multiple pulses at 20°C than at 24°C. The expected reduction in heat tolerance after pesticide exposure was present in I. elegans but not in I. pumilio. Our results demonstrate that closely related species can have very different sensitivities to a pesticide resulting in species-specific support for the "toxicant-induced climate change sensitivity" and the "climate-induced toxicant sensitivity" interaction pathways. Our results highlight that trait-based approaches can be strengthened by integrating physiological traits.
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Affiliation(s)
- Lin Op de Beeck
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
| | - Julie Verheyen
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium.
| | - Robby Stoks
- Evolutionary Stress Ecology and Ecotoxicology, University of Leuven, Charles Deberiotstraat 32, B-3000 Leuven, Belgium
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