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Nigro L, Magni S, Ortenzi MA, Gazzotti S, Della Torre C, Signorini SG, Sbarberi R, Binelli A. Unveiling the multilevel impact of four water-soluble polymers on Daphnia magna: From proteome to behaviour (a case study). JOURNAL OF HAZARDOUS MATERIALS 2024; 469:134000. [PMID: 38508107 DOI: 10.1016/j.jhazmat.2024.134000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 02/27/2024] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
The ubiquitous presence of water-soluble polymers (WSPs) in freshwater environments raises concerns regarding potential threats to aquatic organisms. This study investigated, for the first time, the effects of widely used WSPs -polyvinyl alcohol (PVA), polyvinylpyrrolidone (PVP), polyacrylic acid (PAA), and polyethylene glycol (PEG)- using a multi-level approach in the freshwater biological model Daphnia magna. This integrated assessment employed a suite of biomarkers, evaluation of swimming behaviour, and proteomic analysis to investigate the effects of three environmentally relevant concentrations (0.001, 0.5, and 1 mg/L) of the tested WSPs from molecular to organismal levels, assessing both acute and chronic effects. Our findings reveal that exposure to different WSPs induces specific responses at each biological level, with PEG being the only WSP inducing lethal effects at 0.5 mg/L. At the physiological level, although all WSPs impacted both swimming performance and heart rate of D. magna specimens, PAA exhibited the greatest effects on the measured behavioural parameters. Furthermore, proteomic analyses demonstrated altered protein profiles following exposure to all WSPs, with PVA emerging as the most effective.
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Affiliation(s)
- Lara Nigro
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | - Stefano Magni
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy.
| | - Marco Aldo Ortenzi
- Department of Chemistry, University of Milan, Via Golgi 19, Milan 20133, Italy
| | - Stefano Gazzotti
- Department of Chemistry, University of Milan, Via Golgi 19, Milan 20133, Italy
| | - Camilla Della Torre
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | | | - Riccardo Sbarberi
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | - Andrea Binelli
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
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2
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Bogusz A, Tomczyk B, Trzcińska M, Mirosław B, Gworek B. Effect of zeolites on the reduction of the ecotoxicity of carbamazepine in the environment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 277:116320. [PMID: 38653020 DOI: 10.1016/j.ecoenv.2024.116320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 02/08/2024] [Accepted: 04/10/2024] [Indexed: 04/25/2024]
Abstract
In this study, the impact of calcination of zeolites on the ecotoxicity of carbamazepine solutions in two matrices, water and synthetic sewage, was assessed. Two types of zeolites were tested: natural zeolite, in the form of a zeolite rock consisting mainly of clinoptilolite, and a synthetic zeolite type 5 A. Additionally, zeolites were calcined at a temperature of 200 °C. The kinetics of carbamazepine adsorption in aqueous solutions and in synthetic sewage matrix was determined. Higher adsorption capacity was obtained for carbamazepine aqueous solutions as well as zeolites after the calcination process. Considering type of zeolite, the highest and fastest uptake of carbamazepine was observed for natural zeolite after calcination. In the case of ecotoxicity, carbamazepine solutions before adsorption was the most toxic towards Raphidocelis subcapitata, next Aliivibrio fischeri and Daphnia magna, regardless to the matrix type. The differentiation in toxicity regarding the type of matrix was observed, in the case of algae and bacteria, higher toxicity was demonstrated by carbamazepine solutions in the water matrix, while in the case of crustaceans-the sewage matrix. After the adsorption process, the toxicity of carbamazepine solutions on zeolites decreased by 34.5-60.9 % for R. subcapitata, 33-39 % for A. fischeri and 55-60 % for D. magna, thus confirming the effectiveness of the proposed method of carbamazepine immobilization.
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Affiliation(s)
- Aleksandra Bogusz
- Department of Ecotoxicology, Institute of Environmental Protection - National Research Institute, Ks. Troszynskiego St. 9, Warsaw 01-693, Poland.
| | - Beata Tomczyk
- Department of Ecotoxicology, Institute of Environmental Protection - National Research Institute, Ks. Troszynskiego St. 9, Warsaw 01-693, Poland
| | - Magdalena Trzcińska
- Department of Ecotoxicology, Institute of Environmental Protection - National Research Institute, Ks. Troszynskiego St. 9, Warsaw 01-693, Poland
| | - Barbara Mirosław
- Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Skłodowska University in Lublin, Lublin 20-031, Poland
| | - Barbara Gworek
- Department of Environmental Chemistry and Risk Assessment, Institute of Environmental Protection - National Research Institute, Slowicza St. 32, Warsaw 02-170, Poland
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3
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Moro H, Raldúa D, Barata C. Developmental defects in cognition, metabolic and cardiac function following maternal exposures to low environmental levels of selective serotonin re-uptake inhibitors and tributyltin in Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170463. [PMID: 38290680 DOI: 10.1016/j.scitotenv.2024.170463] [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: 11/14/2023] [Revised: 01/03/2024] [Accepted: 01/24/2024] [Indexed: 02/01/2024]
Abstract
Aquatic organisms are exposed to low concentrations of neuro-active chemicals, many of them acting also as neuroendocrine disruptors that can be hazardous during earlier embryonic stages. The present study aims to assess how exposure early in live to environmental low concentrations of two selective serotonin reuptake inhibitors (SSRIs), fluoxetine and sertraline, and tributyltin (TBT) affected cognitive, metabolic and cardiac responses in the model aquatic crustacean Daphnia magna. To that end, newly brooded females were exposed for an entire reproductive cycle (3-4 days) and the response of collected juveniles in the first, second and third consecutive broods, which were exposed, respectively, as embryos, provisioned and un-provisioned egg stages, was monitored. Pre-exposure to the selected SSRIs during embryonic and egg developmental stages altered the swimming behaviour of D. magna juveniles to light in a similar way reported elsewhere by serotonergic compounds while TBT altered cognition disrupting multiple neurological signalling routes. The studied compounds also altered body size, the amount of storage lipids in lipid droplets, heart rate, oxygen consumption rates and the transcription of related serotonergic, dopaminergic and lipid metabolic genes in new-born individuals, mostly pre-exposed during their embryonic and provisioning egg stages. The obtained cognitive, cardiac and metabolic defects in juveniles developed from exposed sensitive pre-natal stages align with the "Developmental Origins of Health and Disease (DoHAD)" paradigm.
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Affiliation(s)
- Hugo Moro
- Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain
| | - Demetrio Raldúa
- Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain
| | - Carlos Barata
- Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain.
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4
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Qin Y, Huang Y, Lin W, Huang R, Li K, Han X, Ren Y. Neurotoxic effects induced by flunitrazepam and its metabolites in zebrafish: Oxidative stress, apoptosis, and histone hypoacetylation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170521. [PMID: 38290676 DOI: 10.1016/j.scitotenv.2024.170521] [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: 11/17/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/01/2024]
Abstract
Benzodiazepines (BZDs) have been widely detected in aquatic environments, but their neurotoxic effects and potential mechanisms are still unclear. This study focuses on flunitrazepam (FLZ) and its metabolite, 7-aminoflunitrazepam (7-FLZ), as representative psychotropic BZD. We investigated their neurotoxic effects on adult zebrafish following a 30-day exposure to environmentally relevant concentrations. The findings reveal that exposure to these drugs induces anxiety-like and aggressive behaviors in zebrafish. Additionally, notable morphological damage to brain tissue and mitochondrial structures was observed. Through TUNEL staining, an increase in apoptotic cells was detected in the brain tissue of the exposed group, accompanied by marked elevations in ROS and caspase-3/9 levels. The upregulation of apoptosis-related genes Bax, p53, and Bcl-2 confirmed the occurrence of apoptosis. Furthermore, exposure to the drugs resulted in decreased acetylation levels of brain histones H3 and H4. The upregulation of histone deacetylation enzyme genes (HDAC1, HDAC3, HDAC4, and HDAC6) supported this result. Molecular docking results suggest that compared to 7-FLZ, FLZ has a higher binding affinity with HDAC3 and HDAC4, explaining why it causes lower histone acetylation levels. This study in zebrafish elucidates the neurotoxicity and molecular mechanisms induced by FLZ and 7-FLZ, which is significant for further understanding the impact of BZDs on human health and assessing their ecological risks.
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Affiliation(s)
- Yingjun Qin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Yajing Huang
- Guangdong YueGang Water Supply Co. Ltd, Shenzhen 518021, PR China
| | - Wenting Lin
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China
| | - Rui Huang
- Guangdong YueGang Water Supply Co. Ltd, Shenzhen 518021, PR China
| | - Kan Li
- Anti-Drug Technology Center of Guangdong Province, Guangdong Provincial Key Laboratory of Psychoactive Substances Monitoring and Safety, Guangzhou 510230, PR China
| | - Xing Han
- Anti-Drug Technology Center of Guangdong Province, Guangdong Provincial Key Laboratory of Psychoactive Substances Monitoring and Safety, Guangzhou 510230, PR China
| | - Yuan Ren
- School of Environment and Energy, South China University of Technology, Guangzhou 510006, PR China; The Key Lab of Pollution Control and Ecosystem Restoration in Industry Clusters, Ministry of Education, Guangzhou 510006, PR China; The Key Laboratory of Environmental Protection and Eco-Remediation of Guangdong Regular Higher Education Institutions, Guangzhou 510006, PR China.
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Margiotta-Casaluci L, Owen SF, Winter MJ. Cross-Species Extrapolation of Biological Data to Guide the Environmental Safety Assessment of Pharmaceuticals-The State of the Art and Future Priorities. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:513-525. [PMID: 37067359 DOI: 10.1002/etc.5634] [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: 12/21/2022] [Revised: 03/23/2023] [Accepted: 04/13/2023] [Indexed: 05/27/2023]
Abstract
The extrapolation of biological data across species is a key aspect of biomedical research and drug development. In this context, comparative biology considerations are applied with the goal of understanding human disease and guiding the development of effective and safe medicines. However, the widespread occurrence of pharmaceuticals in the environment and the need to assess the risk posed to wildlife have prompted a renewed interest in the extrapolation of pharmacological and toxicological data across the entire tree of life. To address this challenge, a biological "read-across" approach, based on the use of mammalian data to inform toxicity predictions in wildlife species, has been proposed as an effective way to streamline the environmental safety assessment of pharmaceuticals. Yet, how effective has this approach been, and are we any closer to being able to accurately predict environmental risk based on known human risk? We discuss the main theoretical and experimental advancements achieved in the last 10 years of research in this field. We propose that a better understanding of the functional conservation of drug targets across species and of the quantitative relationship between target modulation and adverse effects should be considered as future research priorities. This pharmacodynamic focus should be complemented with the application of higher-throughput experimental and computational approaches to accelerate the prediction of internal exposure dynamics. The translation of comparative (eco)toxicology research into real-world applications, however, relies on the (limited) availability of experts with the skill set needed to navigate the complexity of the problem; hence, we also call for synergistic multistakeholder efforts to support and strengthen comparative toxicology research and education at a global level. Environ Toxicol Chem 2024;43:513-525. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Luigi Margiotta-Casaluci
- Institute of Pharmaceutical Science, Faculty of Life Sciences & Medicine, King's College London, London, United Kingdom
| | - Stewart F Owen
- Global Sustainability, AstraZeneca, Macclesfield, Cheshire, United Kingdom
| | - Matthew J Winter
- Biosciences, Faculty of Health and Life Sciences, University of Exeter, Exeter, Devon, United Kingdom
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Fogliano C, Carotenuto R, Cirino P, Panzuto R, Ciaravolo M, Simoniello P, Sgariglia I, Motta CM, Avallone B. Benzodiazepine Interference with Fertility and Embryo Development: A Preliminary Survey in the Sea Urchin Paracentrotus lividus. Int J Mol Sci 2024; 25:1969. [PMID: 38396658 PMCID: PMC10888474 DOI: 10.3390/ijms25041969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 02/02/2024] [Accepted: 02/02/2024] [Indexed: 02/25/2024] Open
Abstract
Psychotropic drugs and benzodiazepines are nowadays among the primary substances of abuse. This results in a large and constant release into aquatic environments where they have potentially harmful effects on non-target organisms and, eventually, human health. In the last decades, evidence has been collected on the possible interference of benzodiazepines with reproductive processes, but data are few and incomplete. In this study, the possible negative influence of delorazepam on fertilization and embryo development has been tested in Paracentrotus lividus, a key model organism in studies of reproduction and embryonic development. Sperm, eggs, or fertilized eggs have been exposed to delorazepam at three concentrations: 1 μg/L (environmentally realistic), 5 μg/L, and 10 μg/L. Results indicate that delorazepam reduces the fertilizing capacity of male and female gametes and interferes with fertilization and embryo development. Exposure causes anatomical anomalies in plutei, accelerates/delays development, and alters the presence and distribution of glycoconjugates such as N-Acetyl-glucosamine, α-linked fucose, and α-linked mannose in both morulae and plutei. These results should attract attention to the reproductive fitness of aquatic species exposed to benzodiazepines and pave the way for further investigation of the effects they may exert on human fertility. The presence of benzodiazepines in the aquatic environment raises concerns about the reproductive well-being of aquatic species. Additionally, it prompts worries regarding potential impacts on human fertility due to the excessive use of anxiolytics.
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Affiliation(s)
- Chiara Fogliano
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (C.F.); (R.C.); (M.C.); (I.S.); (B.A.)
| | - Rosa Carotenuto
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (C.F.); (R.C.); (M.C.); (I.S.); (B.A.)
| | - Paola Cirino
- Department of Conservation of Marine Animals and Public Engagement, Anton Dohrn Zoological Station, 80122 Naples, Italy; (P.C.); (R.P.)
| | - Raffaele Panzuto
- Department of Conservation of Marine Animals and Public Engagement, Anton Dohrn Zoological Station, 80122 Naples, Italy; (P.C.); (R.P.)
| | - Martina Ciaravolo
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (C.F.); (R.C.); (M.C.); (I.S.); (B.A.)
| | - Palma Simoniello
- Department of Science and Technology, University of Naples Parthenope, 80133 Naples, Italy;
| | - Ilaria Sgariglia
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (C.F.); (R.C.); (M.C.); (I.S.); (B.A.)
| | - Chiara Maria Motta
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (C.F.); (R.C.); (M.C.); (I.S.); (B.A.)
| | - Bice Avallone
- Department of Biology, University of Naples Federico II, 80126 Naples, Italy; (C.F.); (R.C.); (M.C.); (I.S.); (B.A.)
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7
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Raman NV, Dubey A, van Donk E, von Elert E, Lürling M, Fernandes TV, de Senerpont Domis LN. Understanding the differential impacts of two antidepressants on locomotion of freshwater snails (Lymnaea stagnalis). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:12406-12421. [PMID: 38233708 PMCID: PMC10869440 DOI: 10.1007/s11356-024-31914-0] [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: 09/13/2023] [Accepted: 01/03/2024] [Indexed: 01/19/2024]
Abstract
There is growing evidence of negative impacts of antidepressants on behavior of aquatic non-target organisms. Accurate environmental risk assessment requires an understanding of whether antidepressants with similar modes of action have consistent negative impacts. Here, we tested the effect of acute exposure to two antidepressants, fluoxetine and venlafaxine (0-50 µg/L), on the behavior of non-target organism, i.e., freshwater pond snail, Lymnaea stagnalis. As compounds interact with chemical cues in the aquatic ecosystems, we also tested whether the effects altered in the presence of bile extract containing 5α-cyprinol sulfate (5α-CPS), a characterized kairomone of a natural predator, common carp (Cyprinus carpio). Behavior was studied using automated tracking and analysis of various locomotion parameters of L. stagnalis. Our results suggest that there are differences in the effects on locomotion upon exposure to venlafaxine and fluoxetine. We found strong evidence for a non-monotonic dose response on venlafaxine exposure, whereas fluoxetine only showed weak evidence of altered locomotion for a specific concentration. Combined exposure to compounds and 5α-CPS reduced the intensity of effects observed in the absence of 5α-CPS, possibly due to reduced bioavailability of the compounds. The results highlight the need for acknowledging different mechanisms of action among antidepressants while investigating their environmental risks. In addition, our results underline the importance of reporting non-significant effects and acknowledging individual variation in behavior for environmental risk assessment.
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Affiliation(s)
- Nandini Vasantha Raman
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
| | - Asmita Dubey
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands.
- Department of Aquatic Ecology and Water Quality Management, Wageningen University & Research, P.O. Box 47, 6708 PB, Wageningen, The Netherlands.
| | - Ellen van Donk
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
- Department of Environmental Biology, University of Utrecht, Utrecht, The Netherlands
| | - Eric von Elert
- Aquatic Chemical Ecology, Biocenter, Institute of Zoology, University of Cologne, Cologne, Germany
| | - Miquel Lürling
- Department of Aquatic Ecology and Water Quality Management, Wageningen University & Research, P.O. Box 47, 6708 PB, Wageningen, The Netherlands
| | - Tânia V Fernandes
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
| | - Lisette N de Senerpont Domis
- Department of Aquatic Ecology, Netherlands Institute of Ecology (NIOO-KNAW), Droevendaalsesteeg 10, 6708 PB, Wageningen, The Netherlands
- Department of Aquatic Ecology and Water Quality Management, Wageningen University & Research, P.O. Box 47, 6708 PB, Wageningen, The Netherlands
- Department of Pervasive Systems, EEMCS, University of Twente & Department of Water Resources, ITC, University of Twente, Enschede, The Netherlands
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Sari Erkan H, Kaska D, Kara N, Onkal Engin G. Fluoxetine removal by anodic oxidation using different anode materials and graphite cathode. ENVIRONMENTAL TECHNOLOGY 2024:1-14. [PMID: 38234107 DOI: 10.1080/09593330.2024.2304660] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 12/20/2023] [Indexed: 01/19/2024]
Abstract
Fluoxetine (FLX) is a selective serotonin reuptake inhibitor (SSRI) medication commonly used to treat mental health disorders, but it can be harmful to the environment if not properly disposed of due to incomplete metabolism. In this study, electrochemical anodic oxidation with mixed metal oxide anodes was studied as a method to remove FLX from water and wastewater. Iridium dioxide-coated titanium (Ti/IrO2) and ruthenium dioxide-coated Ti (Ti/RuO2) electrodes were found to be more effective than platinum-coated Ti (Ti/Pt) electrodes, with removal efficiencies of 91.5% and 93.9%, respectively. Optimal conditions for FLX removal were determined to be an applied current of 150 mA, initial pH of 5, and oxidation time of 120 min. The rate of FLX degradation (kFLX) for the Ti/Pt, Ti/IrO2, and Ti/RuO2 electrodes were determined to be 0.0081 min-1 (R2:0,8161), 0.0163 min-1 (R2:0,9823), and 0.0168 (R2:0,9901) min-1 for 25 mg/L initial FLX concentration, respectively. The kFLX values varied based on the initial FLX concentration and decreased as the initial FLX concentration increased. The specific energy consumption (SEC) after 120 min of operation was 51.0 kWh/m3 for the Ti/Pt electrode, 39.6 kWh/m3 for the Ti/IrO2 electrode, and 48.6 kWh/m3 for the Ti/RuO2 electrode under optimised conditions. Overall, electrochemical anodic oxidation is an effective method for removing FLX from water and wastewater, with Ti/IrO2 and Ti/RuO2 electrodes providing superior performance compared to Ti/Pt electrodes.
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Affiliation(s)
- Hanife Sari Erkan
- Faculty of Civil Engineering, Department of Environmental Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Deniz Kaska
- Faculty of Civil Engineering, Department of Environmental Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Narin Kara
- Faculty of Civil Engineering, Department of Environmental Engineering, Yildiz Technical University, Istanbul, Turkey
| | - Guleda Onkal Engin
- Faculty of Civil Engineering, Department of Environmental Engineering, Yildiz Technical University, Istanbul, Turkey
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Grzesiuk M, Grabska M, Pawelec A. Fluoxetine may interfere with learning in fish. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2024; 105:104358. [PMID: 38154759 DOI: 10.1016/j.etap.2023.104358] [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: 07/29/2023] [Accepted: 12/25/2023] [Indexed: 12/30/2023]
Abstract
Our study aimed to test whether fluoxetine impairs learning in fish and whether this potential impairment is reversible. Learning efficiency, with no aversive stimuli, of the Carassius carassius was analysed under different pharmaceutical conditions: (i) fish cultured without antidepressant (control), (ii) fish exposed to fluoxetine for 21 days (fluoxetine), and (iii) fish exposed to fluoxetine for 21 days and then cultured without fluoxetine for another 21 days (recovery). We exposed animals to environmental concentrations (360 ng L-1) of antidepressant. The learning rate was measured by timing how long it took the individual fish to find food and start feeding, six days in a row. The control and recovery fish took significantly less time to start eating over the six days. Control fish start eating 14 times faster than the fluoxetine fish. Fluoxetine can significantly affect learning and 21-day recovery period is not enough to fully restore the original learning abilities.
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Affiliation(s)
- Malgorzata Grzesiuk
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences (SGGW), Warsaw, Poland.
| | - Marta Grabska
- Department of Biochemistry and Microbiology, Institute of Biology, Warsaw University of Life Sciences (SGGW), Warsaw, Poland
| | - Alicja Pawelec
- Department of Hydrobiology, Institute of Functional Biology and Ecology, Faculty of Biology, University of Warsaw, Żwirki i Wigury 101, 02-089 Warsaw, Poland
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Rajewicz W, Romano D, Schmickl T, Thenius R. Daphnia's phototaxis as an indicator in ecotoxicological studies: A review. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 265:106762. [PMID: 38000135 DOI: 10.1016/j.aquatox.2023.106762] [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: 07/17/2023] [Revised: 11/03/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023]
Abstract
Animal-based sensors have been increasingly applied to many water monitoring systems and ecological studies. One of the staple organisms used as living sensors for such systems is Daphnia. This organism has been extensively studied and, with time, used in many toxicological and pharmaceutical bioassays, often used for exploring the ecology of freshwater communities. One of its behaviours used for evaluating the state of the aquatic environment is phototaxis. A disruption in the predicted behaviour is interpreted as a sign of stress and forms the basis for further investigation. However, phototaxis is a result of complex processes counteracting and interacting with each other. Predator presence, food quality, body pigmentation and other factors can greatly affect the predicted phototactic response, hampering its reliability as a bioindicator. Therefore, a holistic approach and meticulous documentation of the methods are needed for the correct interpretation of this behavioural indicator. In this review, we present the current methods used for studying phototaxis, the factors affecting it and proposed ways to optimise the reliability of the results.
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Affiliation(s)
| | - Donato Romano
- BioRobotics Institute, Sant'Anna School of Advanced Studies, viale Rinaldo Piaggio 34, Pontedera, 56025, Italy; Department of Excellence in Robotics and AI, Sant'Anna School of Advanced Studies, Piazza Martiri della Libertá 33, Pisa, 56127, Italy
| | - Thomas Schmickl
- University of Graz, Universitätsplatz 2, Graz, 8010, Austria
| | - Ronald Thenius
- University of Graz, Universitätsplatz 2, Graz, 8010, Austria
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Chaabani S, Einum S, Jaspers VLB, Asimakopoulos AG, Zhang J, Muller E. Impact of the antidepressant Bupropion on the Dynamic Energy Budget of Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 895:164984. [PMID: 37356764 DOI: 10.1016/j.scitotenv.2023.164984] [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: 11/08/2022] [Revised: 05/22/2023] [Accepted: 06/16/2023] [Indexed: 06/27/2023]
Abstract
Psychiatric drugs are considered among the emerging contaminants of concern in ecological risk assessment, due to their potential to disrupt homeostasis in aquatic organisms. Bupropion is an antidepressant that acts by selective reuptake inhibition of norepinephrine and dopamine. Little is known about this compound's effects on aquatic organisms, despite being detected in significant concentrations in both water and biota close to waste-water treatment plants and densely populated areas. Dynamic Energy Budget (DEB) models are flexible mechanistic tools that can be applied to understand toxic effects and extrapolate individual responses to higher biological levels and under untested environmental conditions. In this work, we used the stdDEB-TKTD (an application of the DEB theory to ecotoxicology) approach to investigate the possible physiological mode of action of Bupropion on the model organism Daphnia magna. Next, Dynamic Energy Budget Individual-Based Models (DEB-IBM) were used to extrapolate the results to the population level and to predict the combined effects of Bupropion exposure and food availability on the daphnids. Our results revealed an increasing negative effect of this antidepressant on the reproduction and survival of the animals with increasing concentration (0.004, 0.058, 0.58 and 58 μM). At the population level, we found that even the lowest used doses of Bupropion could reduce the population density and its reproductive output. The impacts are predicted to be stronger under limited food conditions.
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Affiliation(s)
- Safa Chaabani
- Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway.
| | - Sigurd Einum
- Centre for Biodiversity Dynamics, Department of Biology, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Veerle L B Jaspers
- Department of Biology, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | | | - Junjie Zhang
- Department of Chemistry, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway
| | - Erik Muller
- Department of Biology, Norwegian University of Science and Technology (NTNU), 7491 Trondheim, Norway; Marine Science Institute, University of California, Santa Barbara, CA 93116, USA; ibacon GmbH, Arheilger Weg 17, D-6430 Rossdorf, Germany
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12
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Tan H, Martin JM, Alton LA, Lesku JA, Wong BBM. Widespread psychoactive pollutant augments daytime restfulness and disrupts diurnal activity rhythms in fish. CHEMOSPHERE 2023; 326:138446. [PMID: 36940830 DOI: 10.1016/j.chemosphere.2023.138446] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 03/13/2023] [Accepted: 03/17/2023] [Indexed: 06/18/2023]
Abstract
Pharmaceutical pollution is a major driver of global change, with the capacity to alter key behavioural and physiological traits in exposed animals. Antidepressants are among the most commonly detected pharmaceuticals in the environment. Despite well-documented pharmacological effects of antidepressants on sleep in humans and other vertebrates, very little is known about their ecologically relevant impacts as pollutants on non-target wildlife. Accordingly, we investigated the effects of acute 3-day exposure of eastern mosquitofish (Gambusia holbrooki) to field-realistic levels (nominal concentrations: 30 and 300 ng/L) of the widespread psychoactive pollutant, fluoxetine, on diurnal activity patterns and restfulness, as indicators of disruptions to sleep. We show that exposure to fluoxetine disrupted diel activity patterns, which was driven by augmentation of daytime inactivity. Specifically, unexposed control fish were markedly diurnal, swimming farther during the day and exhibiting longer periods and more bouts of inactivity at night. However, in fluoxetine-exposed fish, this natural diel rhythm was eroded, with no differences in activity or restfulness observed between the day and night. As a misalignment in the circadian rhythm has been shown to adversely affect fecundity and lifespan in animals, our findings reveal a potentially serious threat to the survival and reproductive success of pollutant-exposed wildlife.
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Affiliation(s)
- Hung Tan
- School of Biological Sciences, Monash University, Melbourne, Australia.
| | - Jake M Martin
- School of Biological Sciences, Monash University, Melbourne, Australia; Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden; Department of Zoology, Stockholm University, Stockholm, Sweden
| | - Lesley A Alton
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - John A Lesku
- School of Agriculture, Biomedicine and Environment, La Trobe University, Melbourne, Australia; Research Centre for Future Landscapes, La Trobe University, Melbourne, Australia
| | - Bob B M Wong
- School of Biological Sciences, Monash University, Melbourne, Australia
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13
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van den Berg SJP, Rodríguez-Sánchez P, Zhao J, Olusoiji OD, Peeters ETHM, Schuijt LM. Among-individual variation in the swimming behaviour of the amphipod Gammarus pulex under dark and light conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 872:162177. [PMID: 36775145 DOI: 10.1016/j.scitotenv.2023.162177] [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: 08/29/2022] [Revised: 01/18/2023] [Accepted: 02/07/2023] [Indexed: 06/18/2023]
Abstract
In recent years, considerable computational advancements have been made allowing automated analysis of behavioural endpoints using video cameras. However, the results of such analyses are often confounded by a large variation among individuals, making it problematic to derive endpoints that allow distinguishing treatment effects in behavioural studies. In this study, we quantitatively analysed the effects of light conditions on the swimming behaviour of the freshwater amphipod Gammarus pulex by high-throughput tracking, and attempted to unravel among individual variation using size and sex. For this, we developed the R-package Kinematics, allowing for the rapid and reproducible analysis of the swimming behaviour (speed, acceleration, thigmotaxis, curvature and startle response) of G. pulex, as well as any other organism. Our results show a considerable amount of variation among individuals (standard deviation ranging between 5 and 115 % of the average swimming behaviour). The factors size and sex and the interaction between the two only explained a minor part of this found variation. Additionally, our study is the first to quantify the startle response in G. pulex after the light is switched on, and study the variability of this response between individuals. To analyse this startle response, we established two metrics: 1) startle response magnitude (the drop in swimming velocity directly after the light switches on), and 2) startle response duration (the time it takes to recover from the drop in swimming velocity to average swimming speed). Almost 80 % of the individuals showed a clear startle response and, therefore, these metrics demonstrate a great potential for usage in behavioural studies. The findings of this study are important for the development of appropriate experimental set-ups for behavioural experiments with G. pulex.
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Affiliation(s)
- Sanne J P van den Berg
- Aquatic Ecology and Water Quality Management group, Wageningen University and Research, P.O. box 47, 6700 AA Wageningen, the Netherlands; Wageningen Environmental Research, Wageningen University and Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands
| | | | - Jiayu Zhao
- Aquatic Ecology and Water Quality Management group, Wageningen University and Research, P.O. box 47, 6700 AA Wageningen, the Netherlands
| | | | - Edwin T H M Peeters
- Aquatic Ecology and Water Quality Management group, Wageningen University and Research, P.O. box 47, 6700 AA Wageningen, the Netherlands
| | - Lara M Schuijt
- Aquatic Ecology and Water Quality Management group, Wageningen University and Research, P.O. box 47, 6700 AA Wageningen, the Netherlands.
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14
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Prato E, Biandolino F, Grattagliano A, Ruscito A, Lofrano G, Libralato G, Trifuoggi M, Albarano L, Parlapiano I. Individual and combined effects of amoxicillin and carbamazepine to the marine copepod Tigriopus fulvus. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:61672-61681. [PMID: 36933130 PMCID: PMC10167106 DOI: 10.1007/s11356-023-26498-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Accepted: 03/13/2023] [Indexed: 05/10/2023]
Abstract
Pharmaceuticals can be considered a global threat to aquatic ecosystems due to their pseudo-persistence and their potential toxicity towards non-target species. Amoxicillin (AMX) and carbamazepine (CBZ) and their mixture (1:1) were investigated on the marine copepod Tigriopus fulvus (Fischer, 1860) considering both acute and chronic endpoints. While acute and chronic exposure did not directly affect survival, reproductive endpoints were affected like the mean egg hatching time that was significantly longer than the negative control for treatments with AMX (0.789 ± 0.079 μg/L), CBZ (8.88 ± 0.89 μg/L), and AMX and CMZ as a mixture (1.03 ± 0.10 μg/L and 0.941 ± 0.094 μg/L), in that order.
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Affiliation(s)
- Ermelinda Prato
- National Research Council, Water Research Institute (IRSA-CNR), Via Roma, 3, 74123, Taranto, Italy
| | - Francesca Biandolino
- National Research Council, Water Research Institute (IRSA-CNR), Via Roma, 3, 74123, Taranto, Italy
| | - Asia Grattagliano
- Department of Chemical Sciences and Technologies, University of Rome "Tor Vergata", Via Della Ricerca Scientifica, 1 - 00133, Rome, Italy
| | - Andrea Ruscito
- Department of Chemical Sciences and Technologies, University of Rome "Tor Vergata", Via Della Ricerca Scientifica, 1 - 00133, Rome, Italy
| | - Giusy Lofrano
- Università degli Studi di Roma Foro Italico, Piazza Lauro De Bosis, 15, 00135, Rome, Italy
| | - Giovanni Libralato
- Department of Biology, University of Naples Federico II, Via Vicinale Cupa Cintia 26, 80126, Naples, Italy.
| | - Marco Trifuoggi
- Department of Chemical Sciences, University of Naples Federico II, Via Vicinale Cupa Cintia 26, 80126, Naples, Italy
| | - Luisa Albarano
- Department of Biology, University of Naples Federico II, Via Vicinale Cupa Cintia 26, 80126, Naples, Italy
| | - Isabella Parlapiano
- National Research Council, Water Research Institute (IRSA-CNR), Via Roma, 3, 74123, Taranto, Italy
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15
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Dyomin V, Morgalev Y, Morgalev S, Morgaleva T, Davydova A, Polovtsev I, Kirillov N, Olshukov A, Kondratova O. Features of phototropic response of zooplankton to paired photostimulation under adverse environmental conditions. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:503. [PMID: 36952065 DOI: 10.1007/s10661-023-11102-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2022] [Accepted: 03/09/2023] [Indexed: 06/18/2023]
Abstract
Our previous studies showed that the change in the plankton response to light could be an indicator of environmental pollution. This study experimentally reveals that the response of Daphnia magna Straus and Daphnia pulex plankton ensembles to photostimulation depends on the intensity of the attracting light. This makes it difficult to identify the occurrence and change of pollutant concentration. The large variability in the magnitude of the behavioral response is caused by the nonlinear response of plankton ensembles to the intensity of the attractor stimulus. As the intensity of the photostimulation increases, the variability of the phototropic response passes through increase, decrease, and relative stabilization phases. The paper proposes a modification of the photostimulation method-paired photostimulation involving successive exposure to two photostimuli of increasing intensity. The first stimulus stabilizes the behavioral response, while the increase in response to the second stimulus makes it possible to more accurately assess the responsiveness of the plankton ensemble. The paper studies the sensitivity of the method of paired stimulation of the behavioral response of different types of freshwater plankton ensembles: Daphnia magna Straus, Daphnia pulex to the effects of pollutants (potassium bichromate, microplastic). The study demonstrates good reliability and increased sensitivity of this method of detecting changes in environmental toxicity compared to single photostimulation or traditional bioindication through the survival rate of test organisms.
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Affiliation(s)
- Victor Dyomin
- Laboratory for Radiophysical and Optical Methods of Environmental Research, National Research Tomsk State University, Tomsk, Russia
| | - Yuri Morgalev
- Center for Biotesting of Nanotechnologies and Nanomaterials Safety, National Research Tomsk State University, Tomsk, Russia
| | - Sergey Morgalev
- Center for Biotesting of Nanotechnologies and Nanomaterials Safety, National Research Tomsk State University, Tomsk, Russia
| | - Tamara Morgaleva
- Center for Biotesting of Nanotechnologies and Nanomaterials Safety, National Research Tomsk State University, Tomsk, Russia
| | - Alexandra Davydova
- Laboratory for Radiophysical and Optical Methods of Environmental Research, National Research Tomsk State University, Tomsk, Russia.
| | - Igor Polovtsev
- Laboratory for Radiophysical and Optical Methods of Environmental Research, National Research Tomsk State University, Tomsk, Russia
| | - Nikolay Kirillov
- Laboratory for Radiophysical and Optical Methods of Environmental Research, National Research Tomsk State University, Tomsk, Russia
| | - Alexey Olshukov
- Laboratory for Radiophysical and Optical Methods of Environmental Research, National Research Tomsk State University, Tomsk, Russia
| | - Oksana Kondratova
- Center for Biotesting of Nanotechnologies and Nanomaterials Safety, National Research Tomsk State University, Tomsk, Russia
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16
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Egan N, Stinson SA, Deng X, Lawler SP, Connon RE. Swimming Behavior of Daphnia magna Is Altered by Pesticides of Concern, as Components of Agricultural Surface Water and in Acute Exposures. BIOLOGY 2023; 12:biology12030425. [PMID: 36979117 PMCID: PMC10045752 DOI: 10.3390/biology12030425] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2023] [Revised: 02/26/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023]
Abstract
Pesticides with novel modes of action including neonicotinoids and anthranilic diamides are increasingly detected in global surface waters. Little is known about how these pesticides of concern interact in mixtures at environmentally relevant concentrations, a common exposure scenario in waterways impacted by pesticide pollution. We examined effects of chlorantraniliprole (CHL) and imidacloprid (IMI) on the sensitive invertebrate, Daphnia magna. Exposures were first performed using surface waters known to be contaminated by agricultural runoff. To evaluate the seasonal variation in chemical concentration and composition of surface waters, we tested surface water samples taken at two time points: during an extended dry period and after a first flush storm event. In surface waters, the concentrations of CHL, IMI, and other pesticides of concern increased after first flush, resulting in hypoactivity and dose-dependent photomotor responses. We then examined mortality and behavior following single and binary chemical mixtures of CHL and IMI. We detected inverse photomotor responses and some evidence of synergistic effects in binary mixture exposures. Taken together, this research demonstrates that CHL, IMI, and contaminated surface waters all cause abnormal swimming behavior in D. magna. Invertebrate swimming behavior is a sensitive endpoint for measuring the biological effects of environmental pesticides of concern.
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Affiliation(s)
- Nicole Egan
- School of Veterinary Medicine, University of California at Davis, Davis, CA 95616, USA
| | - Sarah A. Stinson
- School of Veterinary Medicine, University of California at Davis, Davis, CA 95616, USA
- Correspondence:
| | - Xin Deng
- California Department of Pesticide Regulation, Sacramento, CA 95812, USA
| | - Sharon P. Lawler
- Department of Entomology and Nematology, University of California at Davis, Davis, CA 95616, USA
| | - Richard E. Connon
- School of Veterinary Medicine, University of California at Davis, Davis, CA 95616, USA
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17
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Grzesiuk M, Gryglewicz E, Bentkowski P, Pijanowska J. Impact of Fluoxetine on Herbivorous Zooplankton and Planktivorous Fish. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:385-392. [PMID: 36377689 PMCID: PMC10107138 DOI: 10.1002/etc.5525] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 08/05/2022] [Accepted: 11/12/2022] [Indexed: 06/16/2023]
Abstract
The contamination of freshwater environments by pharmaceuticals is a growing problem. Modern healthcare uses nearly 3000 substances, many of which are designed to work at low dosages and act on physiological systems that have been evolutionarily conserved across taxa. Because drugs affect the organisms from different trophic levels, pharmaceutical pollution is likely to disturb species interactions. However, such effects are still only poorly understood. We investigated the impacts of environmentally relevant concentrations of the common drug fluoxetine (Prozac), an increasingly common contaminant of European waters, on predation behavior of crucian carp (Carassius carassius), a common planktivorous European fish, and the somatic growth of its prey, the water flea (Daphnia magna), a widespread planktonic crustacean. We exposed these two organisms to environmentally relevant levels of fluoxetine (360 ng L-1 ): the fish for 4 weeks and the water fleas for two generations. We tested the growth of the daphnids and the hunting behavior (reaction distance at which fish attacked Daphnia and feeding rate) of the fish under drug contamination. We found that Daphnia exposed to fluoxetine grew larger than a nonexposed cohort. The hunting behavior of C. carassius was altered when they were exposed to the drug; the reaction distance was shorter, and the feeding rate was slower. These effects occurred regardless of Daphnia size and the treatment regime they were subjected to. Our results suggest that contamination of freshwater environments with fluoxetine can disrupt the top-down ecological control of herbivores by reducing the hunting efficiency of fish and, as a consequence, may lead to increases in cladoceran population numbers. Environ Toxicol Chem 2023;42:385-392. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Malgorzata Grzesiuk
- Department of Hydrobiology, Faculty of BiologyUniversity of WarsawWarsawPoland
- Department of Biochemistry and Microbiology, Institute of BiologyWarsaw University of Life SciencesWarsawPoland
| | - Eva Gryglewicz
- Department of Hydrobiology, Faculty of BiologyUniversity of WarsawWarsawPoland
- tier3 SolutionsLeverkusenGermany
| | - Piotr Bentkowski
- Department of Hydrobiology, Faculty of BiologyUniversity of WarsawWarsawPoland
- Faculty of “Artes Liberales”University of WarsawWarsawPoland
| | - Joanna Pijanowska
- Department of Hydrobiology, Faculty of BiologyUniversity of WarsawWarsawPoland
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18
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van der Most MA, Estruch IM, van den Brink NW. Contrasting dose response relationships of neuroactive antidepressants on the behavior of C. elegans. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 250:114493. [PMID: 36608562 DOI: 10.1016/j.ecoenv.2022.114493] [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] [Received: 10/25/2022] [Revised: 12/15/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
Antidepressant prescriptions are on a rise worldwide and this increases the concerns for the impacts of these pharmaceuticals on nontarget organisms. Antidepressants are neuroactive compounds that can affect organism's behavior. Behavior is a sensitive endpoint that may also propagate effects at a population level. Another interesting aspect of antidepressants is that they have shown to induce non-monotonic dose-response (NMDR) curves. While such NMDR relationships may have clear implications for the environmental risk, the resolution of current studies is often too coarse to be able to detect relevant NMDR. Therefore, the current study was performed into the behavioral effects (activity, feeding and chemotaxis) in Caenorhabditis elegans as the model organism of the selective serotonin reuptake inhibitors fluoxetine and sertraline and the acetylcholinesterase inhibiting pesticide chlorpyrifos, using a wide range of concentrations (ng/l to mg/l). In order to statistically examine the non-monotonicity, nonlinear regression models were applied to the results. The results showed a triphasic dose-response relationship for activity and chemotaxis after exposure to fluoxetine, but not to sertraline or chlorpyrifos. Effects of fluoxetine already occurred at low concentrations in the range of ng/l while sertraline only showed effects at concentrations in the μg/l range, similar to chlorpyrifos. The different responses between fluoxetine and sertraline, both SSRIs, indicate that response patterns may not always be extrapolated from chemicals with the same primary mode of action. The effects of fluoxetine at low concentrations, in a non-monotonic manner, confirm the relevance of examining such responses at low concentrations.
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Affiliation(s)
- Merel A van der Most
- Division of Toxicology, Wageningen University and Research, Wageningen 6708 WE, the Netherlands.
| | - Ignacio Miro Estruch
- Division of Toxicology, Wageningen University and Research, Wageningen 6708 WE, the Netherlands
| | - Nico W van den Brink
- Division of Toxicology, Wageningen University and Research, Wageningen 6708 WE, the Netherlands
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19
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Gómez-Canela C, Esquius F, Barata C. The role of serotonergic signaling on phototactic and locomotor behavior in Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 856:159042. [PMID: 36174704 DOI: 10.1016/j.scitotenv.2022.159042] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 08/29/2022] [Accepted: 09/22/2022] [Indexed: 06/16/2023]
Abstract
The role of serotonin in Daphnia magna phototactic and locomotor behavior was assessed using reverse genetics and pharmacological treatments with serotonin and fluoxetine. The study was conducted with four clones: the wild type clone and three CRISPR D. magna ones with mutations in the tryptophan hydrolase gene (TRH) that is involved in serotonin synthesis. These included clones TRHA- and TRHB- with mutations in both alleles that lack serotonin and the mono-allelic mutant TRH+, that has serotonin. Obtained results indicated that animals lacking serotonin showed an increased negative phototactism and locomotor activity upon light stimuli and a reduced response to fish kairomones relative to the wild type and TRH+ individuals. Exposure to exogenous serotonin re-established the phototactism and locomotor activity of TRH- individuals to those of the wild type but did not affect phototactic responses to fish kairomones. Unexpectedly, fluoxetine was able to modify locomotor activity and phototactic behavior against fish kairomones in TRH- individuals lacking serotonin, and also it increased the concentrations of acethylcholine and GABA in exposed animals, which support the argument that fluoxetine may also affect other neurological pathways.
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Affiliation(s)
- Cristian Gómez-Canela
- Department of Analytical and Applied Chemistry, School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Barcelona, Spain
| | - Ferran Esquius
- Department of Analytical and Applied Chemistry, School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Barcelona, Spain; Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA, CSIC), Jordi Girona 18, 08017 Barcelona, Spain
| | - Carlos Barata
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA, CSIC), Jordi Girona 18, 08017 Barcelona, Spain.
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20
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Jeremias G, Veloso T, Gonçalves FJM, Van Nieuwerburgh F, Pereira JL, Asselman J. Multigenerational DNA methylation responses to copper exposure in Daphnia: Potential targets for epigenetic biomarkers? CHEMOSPHERE 2022; 308:136231. [PMID: 36055596 DOI: 10.1016/j.chemosphere.2022.136231] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/23/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
Epigenetic mechanisms are moving to the forefront of environmental sciences, as environmentally induced epigenetic changes shape biological responses to chemical contamination. This work focused on Daphnia as a representative of potentially threatened freshwater biota, aiming to gain an insight into the involvement of epigenetic mechanisms in their response and eventual adaptation to metal contamination. Copper-induced DNA methylation changes, their potential transgenerational inheritance, and life-history traits were assessed. Organisms with different histories of past exposure to copper were exposed to toxic levels of the element for one generation (F0) and then monitored for three subsequent unexposed generations (F1, F2, and F3). Overall, methylation changes targeted important genes for counteracting the effects of metals and oxidative stress, including dynein light chain, ribosomal kinase and nuclear fragile X mental retardation-interacting protein. Also, contrasting overall and gene-specific methylation responses were observed in organisms differing in their history of exposure to copper, with different transgenerational methylation responses being also identified among the two groups, without apparent life-history costs. Taken together, these results demonstrate the capacity of copper to promote epigenetic transgenerational inheritance in a manner related explicitly to history of exposure, thereby supporting the development and incorporation of epigenetic biomarkers in risk assessment frameworks.
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Affiliation(s)
- Guilherme Jeremias
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal
| | - Telma Veloso
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal; CICECO - Aveiro Institute of Materials & Department of Chemistry, University of Aveiro, Portugal
| | - Fernando J M Gonçalves
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal
| | | | - Joana Luísa Pereira
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal.
| | - Jana Asselman
- Blue Growth Research Lab, Ghent University, Bluebridge Building, Ostend Science Park 1, 8400, Ostend, Belgium
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21
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Adekolurejo OA, Floyd M, Dunn AM, Kay P, Dean AP, Hassall C. Combined effects of increased water temperature and cyanobacterial compounds exert heterogeneous effects on survival and ecological processes in key freshwater species. Oecologia 2022; 200:515-528. [DOI: 10.1007/s00442-022-05277-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Accepted: 10/31/2022] [Indexed: 11/09/2022]
Abstract
AbstractClimate change is increasing water temperature and intensifying the incidence of cyanobacterial blooms worldwide. However, the combined effects of increased temperature and microcystin concentrations as co-stressors on survival and ecological processes in freshwater species are unclear. Here, using purified MC-LR and crude extract of toxigenic Microcystis aeruginosa, we tested the individual and combined effects of three water temperatures (15, 20, 25 °C) and a range of environmentally relevant concentrations of dissolved microcystin and crude extract (0.01–10 µg·L−1) on survival, growth inhibition, grazing and predation rates in three freshwater species: phytoplankton (Scenedesmus quadricauda), zooplankton (Daphnia pulex), and an invertebrate predator (Ischnura elegans). Purified MC-LR exerted a higher growth inhibitory effect on S. quadricauda compared to crude extract with the same concentration of MC-LR, while neither treatment affected its chlorophyll-a content or survival of D. pulex. Crude extract reduced grazing and survival of D. pulex and I. elegans, respectively. The combined effect of higher temperature and crude extract reduced I. elegans survival by 50%. Increased temperature reduced prey handing time in I. elegans by 49%, suggesting a higher predation rate. However, warming together with higher concentrations of crude extract jointly increased zooplankton grazing and reduced damselfly predation. Taken together, these results suggest crude extract, and not necessarily microcystin, can affect survival and productivity in freshwater species, although these effects may vary unevenly across trophic levels. Our findings highlight the importance of complex ecological mechanisms by which warming can exacerbate toxic effects of cyanobacterial bloom extracts on survival and functions among species in eutrophic freshwaters.
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22
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Xie Z, Wang X, Gan Y, Cheng H, Fan S, Li X, Tang J. Ecotoxicological effects of the antidepressant fluoxetine and its removal by the typical freshwater microalgae Chlorella pyrenoidosa. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 244:114045. [PMID: 36055042 DOI: 10.1016/j.ecoenv.2022.114045] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Revised: 08/27/2022] [Accepted: 08/29/2022] [Indexed: 06/15/2023]
Abstract
The antidepressant fluoxetine (FLX) has gained increasing attention due to its frequent detection in aquatic environments and negative effects on non-target organisms. However, knowledge on the ecotoxicological effects of FLX and its removal by microalgae is still limited. In this study, the ecotoxicological effects of FLX (10 -1000 μg/L) were assessed using batch cultures of the freshwater microalgae Chlorella pyrenoidosa for 10 days based on changes in growth, antioxidant response, and photosynthetic process. The removal efficiency, removal mechanism, and degradation pathway of FLX by C. pyrenoidosa were also investigated. The results showed that the growth of C. pyrenoidosa was inhibited by FLX with a 4 d EC50 of 0.464 mg/L. Additionally, FLX significantly inhibited photosynthesis and caused oxidative stress on day 4. However, C. pyrenoidosa can produce resistance and acclimatize to FLX, as reflected by the declining growth inhibition rate, recovered photosynthetic efficiency, and disappearance of oxidative stress on day 10. Despite the toxicity of FLX, C. pyrenoidosa showed 41.2%- 100% removal of FLX after 10 days of exposure. Biodegradation was the primary removal mechanism, accounting for 88.2%- 92.8% of the total removal of FLX. A total of five metabolites were found in the degradation processes of FLX, which showed less toxicity than FLX. The main degradation pathways were proposed as demethylation, O-dealkylation, hydroxylation, and N-acylation. Our results not only highlight the potential application of microalgae in FLX purification, but also provide insight into the fate and ecological risk of FLX in aquatic environments.
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Affiliation(s)
- Zhengxin Xie
- Key Laboratory of Agri-food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Xiaoyu Wang
- Key Laboratory of Agri-food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Ying Gan
- Key Laboratory of Agri-food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Haomiao Cheng
- School of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, Jiangsu, PR China
| | - Shisuo Fan
- Key Laboratory of Agri-food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China
| | - Xuede Li
- Key Laboratory of Agri-food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China; Hefei Scientific Observing and Experimental Station of Agro-Environment, Ministry of Agriculture and Rural Affairs, PR China
| | - Jun Tang
- Key Laboratory of Agri-food Safety of Anhui Province, School of Resources and Environment, Anhui Agricultural University, Hefei 230036, PR China.
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23
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Nkoom M, Lu G, Liu J. Chronic toxicity of diclofenac, carbamazepine and their mixture to Daphnia magna: a comparative two-generational study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:58963-58979. [PMID: 35378650 DOI: 10.1007/s11356-022-19463-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Accepted: 02/23/2022] [Indexed: 06/14/2023]
Abstract
The chronic toxicity of diclofenac (DCF) and carbamazepine (CBZ) as separate substances and in conjunction with their mixture on Daphnia magna was assessed in the parental (F0) and first filial (F1) generations. The second (F1-B2) and fifth (F1-B5) broods of F1 offspring were investigated and compared. Both drugs and their mixture were exposed to each generation of Daphnia magna for 21 days with life history, behavioural and gene expressions as measured endpoints. After the parental exposure, offspring from these two broods were transferred to a clean medium for a 21-day recovery. Exposure to diclofenac, carbamazepine and their mixture significantly inhibited growth, reproduction, swimming activities, heart rate, thoracic limb activities, reproductive and antioxidant-related genes in the parental as well as the first filial generations. These effects were relatively greater in the F1 generation. This indicates that Daphnia magna's sensitivity improved while its fitness declined over the two generations, which is an indicator of greater energy requirements for maintenance. Besides, the significant inhibition in the antioxidant-related genes implies that oxidative stress occurred in Daphnia magna under the exposure to these drugs. The significant reduction in the reproductive output, moulting frequency and cyp314 gene expression as a result of exposure to CBZ simultaneously obtained herein may indicate that this drug could act as an endocrine disruptor. Most of these significant effects were not recoverable after the 21-day recovery period. The findings reported herein highlight the necessity to include maternal effects in environmental risk assessment processes, considering that pollutant effects are underestimated during single-generational exposure.
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Affiliation(s)
- Matthew Nkoom
- Key Laboratory of Integrated Regulation and Resources, Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, People's Republic of China
- Department of Environment and Sustainability Sciences, Faculty of Natural Resources and Environment, University for Development Studies, Tamale, Ghana
| | - Guanghua Lu
- Key Laboratory of Integrated Regulation and Resources, Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, People's Republic of China.
| | - Jianchao Liu
- Key Laboratory of Integrated Regulation and Resources, Development of Shallow Lakes of Ministry of Education, College of Environment, Hohai University, Nanjing, 210098, People's Republic of China
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24
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Bellot M, Gómez-Canela C, Barata C. Phototactic behaviour and neurotransmitter profiles in two Daphnia magna clones: Vertical and horizontal responses to fish kairomones and psychotropic drugs. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 830:154684. [PMID: 35314222 DOI: 10.1016/j.scitotenv.2022.154684] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/13/2021] [Revised: 03/15/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Animal behavioural responses are increasingly being used in environmental risk assessment. Nevertheless, behavioural responses are still hampered by a lack of standardisation. Phototactic behaviour in zooplankton and in particular in Daphnia has often been associated to vertical migration but there is also 'shore-avoidance' horizontal behaviour: Daphnia uses shades along the shore to swim either to or away from the shore and predators. Previously, we develop a vertical oriented behavioural hardware able to reproduce phototactic fish induced depth selection in Daphnia magna, its modulation by fish kairomones and psychotropic drugs and the neurotransmitter profiles associated to those responses. This study aims to test if it is possible to use an horizontal 24 multi-well plate maze set up to assess phototactic fish induced responses in D. magna. The study was conducted using two clones with opposed phototaxis upon exposure to fish kairomones and using psychotropic drugs known to modulate phototaxis. Acrylic strips opaque to visible light but not to the infrared one were used to cover half of the arena of each of the wells of the multi-well plate. Clone P132,85 showed positive phototaxis in either the vertical and horizontal set up and negative phototaxis when exposed to fish kairomones or to the muscarinic acetylcholine receptor antagonist's scopolamine and atropine. The opposite behaviour was observed for clone F. Diazepam and pilocarpine ameliorate fish kairomone induced negative phototaxis and picrotoxin increased it only in clone P132,85 in the vertical set up. The determination of neurotransmitters showed much greater concentrations of dopamine and of glycine in clone F, which may be relate to its negative phototaxis and its observed lower responsiveness to fish kairomones. The results from this study suggest a simple, fast, and high throughput phototactic behaviour assay for D. magna that can be easily adapted to other species.
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Affiliation(s)
- Marina Bellot
- Department of Analytical and Applied Chemistry (Chromatography Section), School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain; Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain.
| | - Cristian Gómez-Canela
- Department of Analytical and Applied Chemistry (Chromatography Section), School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Via Augusta 390, 08017 Barcelona, Spain.
| | - Carlos Barata
- Institute for Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18, 08034 Barcelona, Spain.
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25
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Nigro L, Magni S, Ortenzi MA, Gazzotti S, Della Torre C, Binelli A. Are "liquid plastics" a new environmental threat? The case of polyvinyl alcohol. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 248:106200. [PMID: 35605492 DOI: 10.1016/j.aquatox.2022.106200] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 05/14/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Despite the pollution induced by plastics become a well-known and documented problem, bringing many countries to adopt restrictions about their production, commercialization and use, the impact of another emerging category of synthetic polymers, represented by the Water-Soluble Polymers (WSPs), also known as "liquid plastics", is overlooked by scientific community. WSPs are produced in large quantities and used in a wide plethora of applications such as food packaging, pharmaceuticals and personal care products, cosmetics and detergents, with a consequent continuous release in the environment. The aim of this study was the investigation of the possible toxicity induced by polyvinyl alcohol (PVA), one of the main produced and used WSPs, on two freshwater model organisms, the crustacean Daphnia magna and the teleost Danio rerio (zebrafish). We evaluated the effects of solubilized standard PVA powder and PVA-based commercial bags for carp-fishing, at 3 different concentrations (1 µg/L, 0.5 mg/L and 1 mg/L), through the exposures for 14 days of D. magna (daphnids; age < 24 h) and for 5 days of zebrafish embryos (up to 120 h post fertilization - hpf). As acute effects we evaluated the immobilization/mortality of specimens, while for chronic toxicity we selected several endpoints with a high ecological relevance, as the behavioural alteration on swimming performance, in real-time readout, and the activity of monoamine oxidase (MAO), a neuro-enzyme with a potential implication in the organism movement. The results showed the lack of significant effects induced by the selected substances, at all tested concentrations and in both model organisms. However, considering the wide plethora of available WSPs, other investigations are needed to provide the initial knowledge of risk assessment of these compounds contained in some consumer products.
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Affiliation(s)
- Lara Nigro
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | - Stefano Magni
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy.
| | - Marco Aldo Ortenzi
- Department of Chemistry, University of Milan, Via Golgi 19, Milan 20133, Italy
| | - Stefano Gazzotti
- Department of Chemistry, University of Milan, Via Golgi 19, Milan 20133, Italy
| | - Camilla Della Torre
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
| | - Andrea Binelli
- Department of Biosciences, University of Milan, Via Celoria 26, Milan 20133, Italy
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26
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Adeola AO, Ore OT, Fapohunda O, Adewole AH, Akerele DD, Akingboye AS, Oloye FF. Psychotropic Drugs of Emerging Concerns in Aquatic Systems: Ecotoxicology and Remediation Approaches. CHEMISTRY AFRICA 2022. [DOI: 10.1007/s42250-022-00334-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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27
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Ribbenstedt A, Posselt M, Benskin JP. Toxicometabolomics and Biotransformation Product Elucidation in Single Zebrafish Embryos Exposed to Carbamazepine from Environmentally-Relevant to Morphologically Altering Doses. Chem Res Toxicol 2022; 35:431-439. [PMID: 35166526 PMCID: PMC8941598 DOI: 10.1021/acs.chemrestox.1c00335] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
![]()
Toxicometabolomics
and biotransformation product (bioTP) elucidation
were carried out in single zebrafish (ZF) embryos exposed to carbamazepine
(CBZ). Exposures were conducted in 96-well plates containing six CBZ
concentrations ranging from 0.5 μg/L to 50 mg/L (n = 12 embryos per dose). In the 50 mg/L dose group, 33% of embryos
developed edema during the exposure (120 hpf), while hatching was
significantly delayed in three of the lower-dose groups (0.46, 3.85,
and 445 μg/L) compared to the control at 48 hpf. Toxicometabolomic
analysis together with random forest modeling revealed a total of
80 significantly affected metabolites (22 identified via targeted
lipidomics and 58 via nontarget analysis). The wide range of doses
enabled the observation of both monotonic and nonmonotonic dose responses
in the metabolome, which ultimately produced a unique and comprehensive
biochemical picture that aligns with existing knowledge on the mode
of action of CBZ. The combination of high dose exposures and apical
endpoint assessment in single embryos also enabled hypothesis generation
regarding the target organ for the morphologically altering insult.
In addition, two CBZ bioTPs were identified without additional exposure
experiments. Overall, this work showcases the potential of toxicometabolomics
and bioTP determination in single ZF embryos for rapid and comprehensive
chemical hazard assessment.
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Affiliation(s)
- Anton Ribbenstedt
- Department of Environmental Science, Stockholm University, 114 18 Stockholm, Sweden
| | - Malte Posselt
- Department of Environmental Science, Stockholm University, 114 18 Stockholm, Sweden
| | - Jonathan P Benskin
- Department of Environmental Science, Stockholm University, 114 18 Stockholm, Sweden
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28
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Yang H, Zhang Z, Liu J, Liu Z, Zhou Z, Feng Q. Bioavailability of citalopram to Daphnia magna in the presence of suspended sediments with various properties. MARINE POLLUTION BULLETIN 2022; 175:113352. [PMID: 35092930 DOI: 10.1016/j.marpolbul.2022.113352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2021] [Accepted: 01/12/2022] [Indexed: 06/14/2023]
Abstract
The influence of suspended sediment (SPS) properties on the biological effects of antidepressant citalopram (CIT) was investigated in our study. For CIT exposure alone, the feeding behavior, energy available, glutathione-S-transferase (GST) activity of D. magna were vitally induced at 10 μg/L. In the presence of SPS, significant dose-dependent reduction in the ingestion and filtration rates were observed with the increase of SPS concentration, while SPS organic content (foc) of 1% exhibited the most serious aggravation. The protein was the main contributor to detoxification and cellular protection under the stress of CIT and SPS. Obvious disturbance effects on the malonaldehyde content, catalase and GST activities were observed for SPS of 0.1 g/L, 60-90 μm and foc of 2%. Overall, the important role of SPS properties on the biological effects of CIT should be taken into consideration for the accurate risk assessment of pollutants.
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Affiliation(s)
- Haohan Yang
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China.
| | - Zhiyuan Zhang
- School of Urban and Environmental Sciences, Key Laboratory of the Ministry of Education for Earth Surface Processes, Peking University, Beijing 100871, China
| | - Jiaqiang Liu
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
| | - Zhigang Liu
- Ningbo Water Supply Co Ltd, Ningbo 315041, China
| | | | - Qiyan Feng
- School of Environment Science and Spatial Informatics, China University of Mining and Technology, Xuzhou, Jiangsu 221116, China
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29
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Dyomin V, Morgalev Y, Polovtsev I, Davydova A, Morgalev S, Kirillov N, Morgaleva T, Olshukov A. Phototropic response features for different systematic groups of mesoplankton under adverse environmental conditions. Ecol Evol 2021; 11:16487-16498. [PMID: 34938451 PMCID: PMC8668779 DOI: 10.1002/ece3.8072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2020] [Revised: 08/15/2021] [Accepted: 08/17/2021] [Indexed: 11/08/2022] Open
Abstract
Current trends in the application of bioindication methods are related to the use of submersible tools that perform real-time measurements directly in the studied aquatic environment. The methods based on the registration of changes in the behavioral responses of zooplankton, in particular Crustaceans, which make up the vast majority of the biomass in water areas, seem quite promising. However, the multispecies composition of natural planktonic biocenoses poses the need to consider the potential difference in the sensitivity of organisms to pollutants. This paper describes laboratory studies of the phototropic response of plankton to attracting light. The studies were carried out on a model natural community that in equal amounts includes Daphnia magna, Daphnia pulex, and Cyclops vicinus, as well as on the monoculture groups of these species. The phototropic response was initiated by the attracting light with a wavelength of 532 nm close to the local maximum of the reflection spectrum of chlorella microalgae. Standard potassium bichromate was used as the model pollutant. The largest phototropic response value is registered in the assemblage. The concentration growth rate of crustaceans in the illuminated volume was 4.5 ± 0.3 ind (L min)-1. Of the studied species, the phototropic response was mostly expressed in Daphnia magna (3.7 ± 0.4 ind (L min)-1), while in Daphnia pulex, it was reduced to 2.4 ± 0.2 ind (L min)-1, and in Cyclops vicinus, it was very small-0.16 ± 0.02 ind (L min)-1. This is caused by peculiar trophic behavior of phyto- and zoophages. The addition of a pollutant, namely potassium bichromate, caused a decrease in the concentration rate of crustaceans in the attracting light zone, while a dose-dependent change in phototropic responses was observed in a group of species and the Daphnia magna assemblage. The results of laboratory studies showed high potential of using the phototropic response of zooplankton to monitor the quality of its habitat thus ensuring the early diagnostics of water pollution. Besides, the paper shows the possibility of quantifying the phototropic response of zooplankton using submersible digital holographic cameras (DHC).
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Affiliation(s)
- Victor Dyomin
- Laboratory for Radiophysical and Optical Methods of Environmental ResearchNational Research Tomsk State UniversityTomskRussia
| | - Yuri Morgalev
- Biotest‐Nano CenterNational Research Tomsk State UniversityTomskRussia
| | - Igor Polovtsev
- Laboratory for Radiophysical and Optical Methods of Environmental ResearchNational Research Tomsk State UniversityTomskRussia
| | - Alexandra Davydova
- Laboratory for Radiophysical and Optical Methods of Environmental ResearchNational Research Tomsk State UniversityTomskRussia
- Laboratory of Environmental Remote SensingV.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of ScienceTomskRussia
| | - Sergey Morgalev
- Biotest‐Nano CenterNational Research Tomsk State UniversityTomskRussia
| | - Nikolay Kirillov
- Laboratory for Radiophysical and Optical Methods of Environmental ResearchNational Research Tomsk State UniversityTomskRussia
| | - Tamara Morgaleva
- Biotest‐Nano CenterNational Research Tomsk State UniversityTomskRussia
| | - Alexey Olshukov
- Laboratory for Radiophysical and Optical Methods of Environmental ResearchNational Research Tomsk State UniversityTomskRussia
- Laboratory of Environmental Remote SensingV.E. Zuev Institute of Atmospheric Optics of Siberian Branch of the Russian Academy of ScienceTomskRussia
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30
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Lebreton M, Malgouyres JM, Carayon JL, Bonnafé E, Géret F. Effects of the anxiolytic benzodiazepine oxazepam on freshwater gastropod reproduction: a prospective study. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:1880-1892. [PMID: 34379245 DOI: 10.1007/s10646-021-02453-y] [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] [Accepted: 07/02/2021] [Indexed: 06/13/2023]
Abstract
Psychoactive drugs have emerged as contaminants over the last few decades. These drugs are frequently prescribed and poorly eliminated by wastewater treatment plants, and many are present at non-negligible concentrations in surface waters. Several studies have investigated the non-target organism toxicity of one such drug, oxazepam, a benzodiazepine anxiolytic frequently detected in rivers. However, very little is known about the impact of this drug on reproduction. We investigated the effects of environmentally relevant concentrations of oxazepam on Radix balthica, a freshwater gastropod widespread in Europe. We identified the reproductive organs of Radix balthica. We then exposed this gastropod to oxazepam for two months and assessed several reproductive parameters, from reproductive organ status to behavioral parameters. We found that adults exposed to 10 µg/L oxazepam display an increase in the density of spermatozoa, and that adults exposed to 0.8 µg/L oxazepam displayed a decrease in the number of eggs per egg mass over time. By contrast, oxazepam had no effect on shell length, the size of male reproductive organs or social interactions. Finally, a locomotor activity analysis showed the distance covered over time decreased in all conditions of exposure to oxazepam, potentially reflecting a disturbance of exploratory activity. These results shed light on the effects of oxazepam on the reproduction of a non-target freshwater mollusk.
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Affiliation(s)
- Morgane Lebreton
- Biochimie et Toxicologie des Substances Bioactives, EA 7417, INU Champollion, Albi, France.
| | - Jean-Michel Malgouyres
- Biochimie et Toxicologie des Substances Bioactives, EA 7417, INU Champollion, Albi, France
| | - Jean-Luc Carayon
- Biochimie et Toxicologie des Substances Bioactives, EA 7417, INU Champollion, Albi, France
| | - Elsa Bonnafé
- Biochimie et Toxicologie des Substances Bioactives, EA 7417, INU Champollion, Albi, France
| | - Florence Géret
- Biochimie et Toxicologie des Substances Bioactives, EA 7417, INU Champollion, Albi, France
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31
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Bedrossiantz J, Fuertes I, Raldua D, Barata C. Pharmacological modulation of fish-induced depth selection in D. magna: the role of cholinergic and GABAergic signalling. Sci Rep 2021; 11:19407. [PMID: 34593892 PMCID: PMC8484359 DOI: 10.1038/s41598-021-98886-w] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Accepted: 09/16/2021] [Indexed: 11/09/2022] Open
Abstract
Animal behaviour is closely related to individual fitness, which allows animals to choose suitable mates or avoid predation. The central nervous system regulates many aspects of animal behaviour responses. Therefore, behavioural responses can be especially sensitive to compounds with a neurodevelopmental or neurofunctional mode of action. Phototactic behavioural changes against fish in the freshwater crustacean Daphnia magna have been the subject of many ecological investigations. The aim of this study was to identify which neurotransmitter systems modulate phototactic behaviour to fish kairomones. We used a positive phototactic D. magna clone (P132,85) that shows marked negative phototactism after exposure to fish kairomones. Treatments included up to 16 known agonists and antagonists of the serotonergic, cholinergic, dopaminergic, histaminergic, glutamatergic and GABAergic systems. It was hypothesized that many neurological signalling pathways may modulate D. magna phototactic behaviour to fish kairomones. A new custom-designed device with vertically oriented chambers was used, and changes in the preferred areas (bottom, middle, and upper areas) were analysed using groups of animals after 24 h of exposure to the selected substance(s). The results indicated that agonists of the muscarinic acetylcholine and GABAA receptors and their equi-effective mixture ameliorated the negative phototactic response to fish kairomones, whereas antagonists and their mixtures increased the negative phototactism to fish kairomones. Interestingly, inhibition of the muscarinic acetylcholine receptor abolished positive phototaxis, thus inducing the phototactic response to fish kairomones. Analysis of the profile of neurotransmitters and their related metabolites showed that the D. magna behavioural responses induced by fish depend on changes in the levels of acetylcholine, dopamine and GABA.
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Affiliation(s)
- Juliette Bedrossiantz
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, CSIC, Jordi Girobna 18, 08034, Barcelona, Spain
| | - Inmaculada Fuertes
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, CSIC, Jordi Girobna 18, 08034, Barcelona, Spain
| | - Demetrio Raldua
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, CSIC, Jordi Girobna 18, 08034, Barcelona, Spain
| | - Carlos Barata
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research, CSIC, Jordi Girobna 18, 08034, Barcelona, Spain.
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32
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Wang H, Xi H, Xu L, Jin M, Zhao W, Liu H. Ecotoxicological effects, environmental fate and risks of pharmaceutical and personal care products in the water environment: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 788:147819. [PMID: 34029823 DOI: 10.1016/j.scitotenv.2021.147819] [Citation(s) in RCA: 109] [Impact Index Per Article: 36.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 05/12/2021] [Accepted: 05/12/2021] [Indexed: 05/07/2023]
Abstract
Due to the extensive use and incomplete removal, pharmaceutical and personal care products (PPCPs) are introduced into the water continuously. It has been proved that the unique properties of PPCPs are influential to organisms and the environment, and gradually affect human health. In this paper, the toxicological effects of typical PPCPs, and the environmental behavior of PPCPs in aquatic are reviewed. The risk assessments of PPCPs in the water are summarized. The research directions of environmental toxicology research of PPCPs in the future are proposed. Many PPCPs were found to be toxic or even highly toxic toward aquatic organisms, and have the potential for bioaccumulation. It is essential to study the acute and long-term toxicity of PPCPs and their metabolites, evaluate the environmental behaviors and make a reasonable assessment of ecotoxicology and human health risks of PPCPs.
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Affiliation(s)
- Huan Wang
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang Province, China
| | - Hao Xi
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang Province, China
| | - Linling Xu
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang Province, China
| | - Mingkang Jin
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang Province, China
| | - Wenlu Zhao
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang Province, China
| | - Huijun Liu
- School of Environmental Science and Engineering, Zhejiang Gongshang University, Hangzhou 310018, Zhejiang Province, China.
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33
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Thoré ESJ, Brendonck L, Pinceel T. Neurochemical exposure disrupts sex-specific trade-offs between body length and behaviour in a freshwater crustacean. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 237:105877. [PMID: 34090246 DOI: 10.1016/j.aquatox.2021.105877] [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: 03/02/2021] [Revised: 05/13/2021] [Accepted: 05/21/2021] [Indexed: 06/12/2023]
Abstract
Ongoing pollution of aquatic ecosystems with neurochemical compounds warrants an improved understanding of how this affects key organisms. Neurochemicals are shown to alter the behaviour of common study species but it remains difficult to translate these results to biologically meaningful predictions across taxa. This is partly because studies on species with non-generic life-history strategies such as many freshwater crustaceans are currently underrepresented. Here, we use a laboratory experiment to assess baseline behavioural variation (spontaneous activity level and geotaxic behaviour) in the freshwater fairy shrimp Branchipodopsis wolfi and how this is affected by chronic exposure to an environmentally-relevant concentration of the anxiolytic pharmaceutical fluoxetine. The more conspicuously coloured and larger females of the species were overall less active and more benthic than males. Moreover, amongst females, vertical activity was negatively associated with size, while an opposite relationship was found for males. These trade-offs are likely part of an antipredator strategy to reduce the probability of being detected by visual hunters, but disappeared after exposure to fluoxetine. This is of particular interest since it is an effective proof of principle that neurochemicals may impact ecologically-relevant trade-offs between conspicuous morphology and antipredator behaviour. In natural ecosystems, such disturbed antipredator behavioural responses could have far-reaching fitness consequences.
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Affiliation(s)
- Eli S J Thoré
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium.
| | - Luc Brendonck
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium; Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Tom Pinceel
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium; Centre for Environmental Management, University of the Free State, Bloemfontein, South Africa
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34
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Sousa AP, Nunes B. Dangerous connections: biochemical and behavioral traits in Daphnia magna and Daphnia longispina exposed to ecologically relevant amounts of paracetamol. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:38792-38808. [PMID: 33740191 DOI: 10.1007/s11356-021-13200-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Accepted: 02/24/2021] [Indexed: 06/12/2023]
Abstract
Exposure of nontarget organisms to therapeutic agents can cause distinct toxic effects, even at low concentrations. Paracetamol is a painkiller drug, widely used in human and veterinary therapies, being frequently found in the aquatic compartment in considerable amounts. Its toxicity has already been established for some species, but its full ecotoxicological potential is still not sufficiently described. To characterize the ecotoxicity of paracetamol, the present study evaluated several parameters, such as acute immobilization (EC50 calculation), biochemical alterations, and behavioral effects, in two species of freshwater microcrustaceans of the genus Daphnia (D. magna and D. longispina). To increase the relevance of the data obtained, animals were exposed to levels of paracetamol similar to those already reported to occur in the wild. Data showed antioxidant responses in both species, namely an increase of catalase and GSTs activities in D. magna. On the contrary, effects of paracetamol on D. longispina included only an impairment of GSTs activity. Despite the absence of anticholinesterasic effects, behavioral modifications were also observed. This set of data indicates that realistic levels of paracetamol may trigger the activation of the antioxidant defense system of freshwater crustaceans, causing changes in behavioral traits (increase in swimming time, but with a reduction in swimming distance) of unknown etiology that are likely to affect normal life traits of wild populations.
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Affiliation(s)
- Ana Paula Sousa
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Bruno Nunes
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
- Departamento de Biologia da Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
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Combined targeted/untargeted analytical and chemometric approaches in the characterization of Daphnia magna metabolomic changes under bisphenol A exposure. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106150] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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36
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Jeremias G, Jesus F, Ventura SPM, Gonçalves FJM, Asselman J, Pereira JL. New insights on the effects of ionic liquid structural changes at the gene expression level: Molecular mechanisms of toxicity in Daphnia magna. JOURNAL OF HAZARDOUS MATERIALS 2021; 409:124517. [PMID: 33199138 DOI: 10.1016/j.jhazmat.2020.124517] [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: 08/31/2020] [Revised: 10/18/2020] [Accepted: 11/05/2020] [Indexed: 06/11/2023]
Abstract
Knowledge on the molecular basis of ionic liquids' (ILs) ecotoxicity is critical for the development of these designer solvents as their structure can be engineered to simultaneously meet functionality performance and environmental safety. The molecular effects of ILs were investigated by using RNA-sequencing following Daphnia magna exposure to imidazolium- and cholinium-based ILs: 1-ethyl-3-methylimidazolium chloride ([C2mim]Cl), 1-dodecyl-3-methylimidazolium chloride ([C12mim]Cl) and cholinium chloride ([Chol]Cl)-; the selection allowing to compare different families and cation alkyl chains. ILs shared mechanisms of toxicity focusing e.g. cellular membrane and cytoskeleton, oxidative stress, energy production, protein biosynthesis, DNA damage, disease initiation. [C2mim]Cl and [C12mim]Cl were the least and the most toxic ILs at the transcriptional level, denoting the role of the alkyl chain as a driver of ILs toxicity. Also, it was reinforced that [Chol]Cl is not devoid of environmental hazardous potential regardless of its argued biological compatibility. Unique gene expression signatures could also be identified for each IL, enlightening specific mechanisms of toxicity.
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Affiliation(s)
- Guilherme Jeremias
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal
| | - Fátima Jesus
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal
| | - Sónia P M Ventura
- Department of Chemistry & CICECO - Aveiro Institute of Materials, University of Aveiro, Portugal
| | - Fernando J M Gonçalves
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal
| | - Jana Asselman
- Blue Growth Research Lab, Ghent University, Bluebridge Building, Ostend Science Park 1, 8400 Ostend, Belgium
| | - Joana L Pereira
- Department of Biology & CESAM - Centre for Environmental and Marine Studies, University of Aveiro, Portugal.
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Suryanto ME, Audira G, Uapipatanakul B, Hussain A, Saputra F, Siregar P, Chen KHC, Hsiao CD. Antidepressant Screening Demonstrated Non-Monotonic Responses to Amitriptyline, Amoxapine and Sertraline in Locomotor Activity Assay in Larval Zebrafish. Cells 2021; 10:cells10040738. [PMID: 33810553 PMCID: PMC8066259 DOI: 10.3390/cells10040738] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2021] [Revised: 03/19/2021] [Accepted: 03/23/2021] [Indexed: 12/15/2022] Open
Abstract
Antidepressants are well-known drugs to treat depression and major depressive disorder for humans. However, the misuse and abuse of antidepressants keep increasing with several side effects reported. The aim of this study was to assess the potential adverse effects of 18 antidepressants by monitoring zebrafish larval locomotor activity performance based on the total distance traveled, burst movement count, and total rotation count at four dark-light intercalated phases. In general, zebrafish larvae displayed sedative effects after antidepressant exposure by showing a significant reduction in all of the locomotor activity-related endpoints. However, three antidepressants i.e., amitriptyline, amoxapine, and sertraline were able to trigger a significantly high locomotor activity in zebrafish larvae during the light cycle. These differences might be due to the pharmacologic differences among the antidepressants. In addition, since each antidepressant possesses a different dosage range from the other, overdoses of these antidepressants might also be the causes of these differences. Furthermore, based on these results, a further study was conducted to observe the effect of these three antidepressants in lower concentrations. From the results, biphasic effects in terms of zebrafish larval locomotor activity were demonstrated by these drugs. Even though further studies are still required to validate the mechanism, these findings indicate that these antidepressants might share a common mechanism responsible for their effects on zebrafish larval locomotor activity although there were some differences in potency of these effects.
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Affiliation(s)
- Michael Edbert Suryanto
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (M.E.S.); (G.A.); (A.H.); (F.S.); (P.S.)
| | - Gilbert Audira
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (M.E.S.); (G.A.); (A.H.); (F.S.); (P.S.)
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 320314, Taiwan
| | - Boontida Uapipatanakul
- Department of Chemistry, Faculty of Science and Technology, Rajamangala University of Technology Thanyaburi, Thanyaburi 12110, Thailand;
| | - Akhlaq Hussain
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (M.E.S.); (G.A.); (A.H.); (F.S.); (P.S.)
| | - Ferry Saputra
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (M.E.S.); (G.A.); (A.H.); (F.S.); (P.S.)
| | - Petrus Siregar
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (M.E.S.); (G.A.); (A.H.); (F.S.); (P.S.)
| | - Kelvin H.-C. Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan
- Correspondence: (K.H.-C.C.); (C.-D.H.)
| | - Chung-Der Hsiao
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan; (M.E.S.); (G.A.); (A.H.); (F.S.); (P.S.)
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Center for Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Correspondence: (K.H.-C.C.); (C.-D.H.)
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High-Throughput Screening of Psychotropic Compounds: Impacts on Swimming Behaviours in Artemia franciscana. TOXICS 2021; 9:toxics9030064. [PMID: 33803064 PMCID: PMC8003060 DOI: 10.3390/toxics9030064] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/05/2021] [Accepted: 03/10/2021] [Indexed: 11/16/2022]
Abstract
Animal behaviour is becoming increasingly popular as an endpoint in ecotoxicology due to its increased sensitivity and speed compared to traditional endpoints. However, the widespread use of animal behaviours in environmental risk assessment is currently hindered by a lack of optimisation and standardisation of behavioural assays for model species. In this study, assays to assess swimming speed were developed for a model crustacean species, the brine shrimp Artemia franciscana. Preliminary works were performed to determine optimal arena size for this species, and weather lux used in the experiments had an impact on the animals phototactic response. Swimming speed was significantly lower in the smallest arena, whilst no difference was observed between the two larger arenas, suggesting that the small arena was limiting swimming ability. No significant difference was observed in attraction to light between high and low light intensities. Arena size had a significant impact on phototaxis behaviours. Large arenas resulted in animals spending more time in the light side of the arena compared to medium and small, irrespective of light intensity. The swimming speed assay was then used to expose specimens to a range of psychotropic compounds with varying modes of action. Results indicate that swimming speed provides a valid measure of the impacts of behaviour modulating compounds on A. franciscana. The psychotropic compounds tested varied in their impacts on animal behaviour. Fluoxetine resulted in increased swimming speed as has been found in other crustacean species, whilst oxazepam, venlafaxine and amitriptyline had no significant impacts on the behaviours measured. The results from this study suggest a simple, fast, high throughput assay for A. franciscana and gains insight on the impacts of a range of psychotropic compounds on the swimming behaviours of a model crustacean species used in ecotoxicology studies.
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Nogueira AF, Nunes B. Acute and chronic effects of diazepam on the polychaete Hediste diversicolor: Antioxidant, metabolic, pharmacologic, neurotoxic and behavioural mechanistic traits. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2021; 82:103538. [PMID: 33217557 DOI: 10.1016/j.etap.2020.103538] [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: 07/20/2020] [Revised: 10/22/2020] [Accepted: 10/27/2020] [Indexed: 06/11/2023]
Abstract
Pharmaceutical drugs are widespread environmental contaminants, but data about their adverse effects are still limited to a few compounds. This study analyzed the acute (96 h) and chronic (28 days) impacts of environmentally realistic levels of diazepam (acute exposure: 0.001, 0.01, 0.1, 1, 10 μg/L; chronic exposure: 0.1, 1, 10, 100, 1000 ng/L), in the polychaete Hediste diversicolor, by measuring behavioral and biochemical (catalase [CAT], glutathione-S-transferases [GSTs], cholinesterases [ChEs], glutathione peroxidase [GPx], lipid peroxidation [TBARS]) parameters. Acute exposure to diazepam altered behavioral traits, decreasing burrowing times and causing hyperactivity, whilst burrowing time increased and hypoactivity resulted after chronic exposure. All biomarkers were affected after the chronic exposure, with the exception of lipid peroxidation. Our data demonstrate that realistic levels of diazepam may impair behavioral and biochemical traits in polychaetes, suggesting that diazepam exposure presents a significant challenge to the environment that supports these organisms.
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Affiliation(s)
- Ana Filipa Nogueira
- Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal; Departamento de Biologia da Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Bruno Nunes
- Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal; Departamento de Biologia da Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
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40
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López-Valcárcel ME, Parra G, Del Arco A. Environmental disturbance history undermines population responses to cope with anthropogenic and environmental stressors. CHEMOSPHERE 2021; 262:128373. [PMID: 33182143 DOI: 10.1016/j.chemosphere.2020.128373] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Revised: 09/14/2020] [Accepted: 09/15/2020] [Indexed: 06/11/2023]
Abstract
Since aquatic ecosystems receive runoff of most anthropogenic pollutants, risk assessment tools and protocols have been developed in order to protect them. However, most ecological risk assessments focus on the study of single species exposed to a single chemical, overlooking the environmental reality of multiple chemical exposures and stresses over generations. To advance in realistic predictions of population and community changes, the environmental disturbance history should be considered. The aim of this study was to evaluate how environmental disturbance history (continuous expected sublethal exposure to one chemical for several generations) determines populations' responses to another stressors. The experiments were performed with Daphnia magna as model organisms. To create a disturbance history, dimethoate was used as first stressor at two different concentrations: medium (0.089 mg·L-1) and high (0.89 mg·L-1). The population exposed to medium concentration ("vulnerable population") showed no differences from the control population in the selected parameters (body size and reproductive success). Our interest in the vulnerable population was to determine whether, after a first stressor, the detected non-effect hides a population impairment, which might undermine populations' responses to future stressors. After 4 generations under dimethoate exposure, the vulnerable D. magna population was exposed to a second chemical stressor (glyphosate) and an environmental stressor (food scarcity) as compared to control. The vulnerable population showed both less resistance to glyphosate and less resistance to starvation, corroborating the hypothesis that a disturbance history of continuous expected sublethal chemical exposures undermines populations' responses to further chemical and environmental stressors.
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Affiliation(s)
- María Eugenia López-Valcárcel
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Campus de Las Lagunillas S/n, E-23071, Jaén, Spain.
| | - Gema Parra
- Departamento de Biología Animal, Biología Vegetal y Ecología, Universidad de Jaén, Campus de Las Lagunillas S/n, E-23071, Jaén, Spain.
| | - Ana Del Arco
- Limnological Institute, University of Konstanz, Mainaustraße 252, 78464, Konstanz, Egg, Germany.
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41
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Fuertes I, Barata C. Characterization of neurotransmitters and related metabolites in Daphnia magna juveniles deficient in serotonin and exposed to neuroactive chemicals that affect its behavior: A targeted LC-MS/MS method. CHEMOSPHERE 2021; 263:127814. [PMID: 32822934 DOI: 10.1016/j.chemosphere.2020.127814] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/24/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
Neurotransmitters are endogenous metabolites that play a crucial role within an organism, at the chemical synapses. There is a growing interest in their analytical determination for understanding the neurotoxic effect of contaminants. Daphnia magna represents an excellent aquatic model for these environmental studies, due to its similarities with vertebrates in several neurotransmitters and related gene pathways and because of its wide application in ecotoxicological studies. Within this study, an accurate and sensible method of analysis of 17 neurotransmitters and related precursors and metabolites was developed. The method was validated in terms of sensitivity, reproducibility, precision, and accuracy, and also matrix effect was evaluated. As an independent probe of method validation and applicability, the method was applied to two different scenarios. First, it was used for the study of neurotransmitter levels in genetically mutated tryptophan hydrolase D. magna clones, confirming the absence of serotonin and its metabolite 5-HIAA. Additionally, the method was applied for determining the effects of chemical compounds known to affect different neurotransmitter systems and to alter Daphnia behavior. Significant changes were observed in 13 of the analyzed neurotransmitters across treatments, which were related to the neurotransmitter systems described as being affected by these neurochemicals. These two studies, which provide results on the ways in which the neurotransmitter systems in D. magna are affected, have corroborated the applicability of the presented method, of great importance due to the suitability of this organism for environmental neurotoxicity studies.
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Affiliation(s)
- Inmaculada Fuertes
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034, Barcelona, Spain.
| | - Carlos Barata
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034, Barcelona, Spain.
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Chen H, Gu X, Zeng Q, Mao Z, Martyniuk CJ. Characterization of the GABAergic system in Asian clam Corbicula fluminea: Phylogenetic analysis, tissue distribution, and response to the aquatic contaminant carbamazepine. Comp Biochem Physiol C Toxicol Pharmacol 2021; 239:108896. [PMID: 32949817 DOI: 10.1016/j.cbpc.2020.108896] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 09/07/2020] [Accepted: 09/09/2020] [Indexed: 02/06/2023]
Abstract
Gamma-aminobutyric acid (GABA) is the major inhibitory neurotransmitter involved in the neuro-endocrine-immune (NEI) system. In this study, we sequenced the partial length of cDNA fragments of three genes involved in GABA neurotransmitter system of the Asian clam (Corbicula fluminea) (GABAA receptor-associated protein (GABARAP), GABARAPL2 and GABA transporter (GAT-1)). These genes exhibited high amino acid sequence identity compared with other invertebrate orthologs. Expression patterns of the three genes were determined in mantle, gill, gonad, digestive gland and muscle, and the steady state levels of mRNA for each were determined to be highest in gonad and lowest in muscle. To determine their regulation by pharmaceuticals that are present as contaminants in waterways, clams were exposed to carbamazepine (CBZ) for 30 days. CBZ is an agonist for GABA receptors and is an anticonvulsant pharmaceutical that is often detected in aquatic ecosystems. GABARAP and GABARAPL2 mRNA levels were significantly downregulated by 5 and 50 μg/L CBZ in mantle and gill (p < 0.05), while in the gonad and digestive gland, steady state levels (p < 0.05) were decreased with exposure to all three doses. GAT-1 mRNA was upregulated by CBZ (p < 0.05) in the mantle and gill at all three doses tested and in the gonad and digestive system with 5 and 50 μg/L. These data suggest that CBZ disrupt the expression of the GABAergic neurotransmitter system in C. fluminea. Moreover, GABARAP, GABARAPL2 and GAT-1 may be useful biomarkers for the screening of substances that are hazardous to the NEI system of mollusks.
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Affiliation(s)
- Huihui Chen
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Xiaohong Gu
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China.
| | - Qingfei Zeng
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Zhigang Mao
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China
| | - Christopher J Martyniuk
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida Genetics Institute, Interdisciplinary Program in Biomedical Sciences Neuroscience, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA
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Zindler F, Stoll S, Baumann L, Knoll S, Huhn C, Braunbeck T. Do environmentally relevant concentrations of fluoxetine and citalopram impair stress-related behavior in zebrafish (Danio rerio) embryos? CHEMOSPHERE 2020; 261:127753. [PMID: 32745739 DOI: 10.1016/j.chemosphere.2020.127753] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2020] [Revised: 07/14/2020] [Accepted: 07/15/2020] [Indexed: 06/11/2023]
Abstract
Selective serotonin reuptake inhibitors (SSRIs) have been shown to interfere with various physiological functions of aquatic organisms, yet the neuroactive potential of low concentrations of SSRIs in the aquatic environment is unclear. The current study investigated the effects of fluoxetine and citalopram on the visual motor response (VMR) of 107 h old zebrafish (Danio rerio) embryos. Results document a reduction in stress-related swimming activity of zebrafish embryos at environmentally relevant concentration levels, with fluoxetine being more effective than citalopram. Further experiments were designed to elucidate (1) if the lower neuroactive potential of citalopram is due to differences in uptake kinetics, (2) if the metabolite of fluoxetine, norfluoxetine, contributes to the neuroactive potential of fluoxetine, (3) and how SSRIs and their metabolites interact in equimolar mixtures. At the stage of 120 h, zebrafish embryos accumulate citalopram at significantly lower rates (up to 127 times) than fluoxetine. Moreover, it was demonstrated that norfluoxetine reduces the embryonic VMR similarly to fluoxetine resulting in additive effects of these substances on stress-related behavior in zebrafish embryos. In contrast, the interaction of fluoxetine, norfluoxetine and citalopram varied with test concentrations of the equimolar mixtures. Findings provide evidence that environmentally relevant concentrations of fluoxetine reduce stress-related behavior of zebrafish embryos, while these effects may be enhanced by the interaction of multiple SSRIs and their metabolites in environmental exposure scenarios.
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Affiliation(s)
- Florian Zindler
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, Heidelberg, D-69120, Germany.
| | - Saskia Stoll
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, Heidelberg, D-69120, Germany
| | - Lisa Baumann
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, Heidelberg, D-69120, Germany
| | - Sarah Knoll
- Institute for Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, Tübingen, D-72076, Germany
| | - Carolin Huhn
- Institute for Physical and Theoretical Chemistry, University of Tübingen, Auf der Morgenstelle 18, Tübingen, D-72076, Germany
| | - Thomas Braunbeck
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Im Neuenheimer Feld 504, Heidelberg, D-69120, Germany
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Bedrossiantz J, Martínez-Jerónimo F, Bellot M, Raldua D, Gómez-Canela C, Barata C. A high-throughput assay for screening environmental pollutants and drugs impairing predator avoidance in Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 740:140045. [PMID: 32559538 DOI: 10.1016/j.scitotenv.2020.140045] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 06/02/2020] [Accepted: 06/05/2020] [Indexed: 06/11/2023]
Abstract
This study addresses short-term habituation of the escape response in the aquatic crustacean Daphnia magna evoked by sudden changes in light intensity, using a high-throughput system. Daphnia magna exhibits a marked phototactic behaviour and swim away from light to avoid predation by fish. Currently, there is no information available on the habituation of this phototactic response. The Daphnia photomotor response assay (DPRA) measures the distance moved after a sudden increase in light intensity. Using DPRA, it is possible to determine not only the magnitude of the phototactic response, but also its habituation after repetitive cycles of light and darkness. The progressive reduction observed in response to a series of light stimuli in the proposed assay meet the criteria for habituation. Most cholinergic and serotonergic modulators enhanced photomotor responses and reduced habituation. Dopaminergic and histaminergic modulators also reduced habituation, whereas diazepam was the only compound that increased habituation. Imidacloprid, apomorphine, diphenhydramine, diazepam, and memantine decreased photomotor responses. Thus, the DPRA was also predictive in assessing the effects of neuroactive and neurotoxic environmental contaminants such as selective serotonin reuptake inhibitors, diazepam, organophosphorous, and neonicotinoid pesticides. We conclude that the proposed DPRA may be an effective screening tool for compounds that can impair predation avoidance behaviour in aquatic organisms.
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Affiliation(s)
- Juliette Bedrossiantz
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034 Barcelona, Spain
| | - Fernando Martínez-Jerónimo
- Instituto Politecnico Nacional, Laboratorio de Hidrobiología Experimental, Escuela Nacional de Ciencias Biológicas, Mexico City, Mexico
| | - Marina Bellot
- Department of Analytical Chemistry and Applied (Chromatography section), School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Via Agusta 390, Barcelona 08017, Spain
| | - Demetrio Raldua
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034 Barcelona, Spain
| | - Cristian Gómez-Canela
- Department of Analytical Chemistry and Applied (Chromatography section), School of Engineering, Institut Químic de Sarrià-Universitat Ramon Llull, Via Agusta 390, Barcelona 08017, Spain
| | - Carlos Barata
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034 Barcelona, Spain.
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45
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Thoré ESJ, Philippe C, Brendonck L, Pinceel T. Antidepressant exposure reduces body size, increases fecundity and alters social behavior in the short-lived killifish Nothobranchius furzeri. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 265:115068. [PMID: 32806394 DOI: 10.1016/j.envpol.2020.115068] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/28/2020] [Accepted: 06/17/2020] [Indexed: 06/11/2023]
Abstract
Social and mating behavior are fundamental fitness determinants in fish. Although fish are increasingly exposed to pharmaceutical compounds that may alter expression of such behavior, potential effects are understudied. Here, we examine the impact of lifelong exposure to two concentrations (0.7 and 5.3 μg/L) of the antidepressant fluoxetine on fecundity and social behavior (i.e. sociability and male-male aggression) in the turquoise killifish, Nothobranchius furzeri. When exposed to the highest concentration of fluoxetine (5.3 μg/L), fish were smaller at maturation but they more frequently engaged in mating. In addition, in both fluoxetine treatments females roughly doubled their overall fecundity while egg fertilization rates were the same for exposed and unexposed fish. Although aggression of male fish was not impacted by fluoxetine exposure, exposed male fish (5.3 μg/L) spent more time in the proximity of a group of conspecifics, which implies an increased sociability in these individuals. Overall, the results of this study indicate that exposure to fluoxetine may result in disrupted male sociability, increased mating frequency and an increased reproductive output in fish populations.
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Affiliation(s)
- Eli S J Thoré
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium.
| | - Charlotte Philippe
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium
| | - Luc Brendonck
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium; Water Research Group, Unit for Environmental Sciences and Management, North-West University, Potchefstroom, South Africa
| | - Tom Pinceel
- Animal Ecology, Global Change and Sustainable Development, KU Leuven, Leuven, Belgium; Centre for Environmental Management, University of the Free State, Bloemfontein, South Africa
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Fuertes I, Piña B, Barata C. Changes in lipid profiles in Daphnia magna individuals exposed to low environmental levels of neuroactive pharmaceuticals. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 733:139029. [PMID: 32446052 DOI: 10.1016/j.scitotenv.2020.139029] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 04/24/2020] [Accepted: 04/25/2020] [Indexed: 06/11/2023]
Abstract
Disruptive effects of chemicals on lipids in aquatic species are mostly limited to obesogens and vertebrates. Recent studies reported that antidepressants, anxiolytic, antiepileptic and β-adrenergic pharmaceuticals, with putative distinct mechanisms of action at low environmental relevant concentrations, up-regulated common neurological and lipid metabolic pathways and enhanced similarly reproduction in the crustacean Daphnia magna. Conversely CRISPR mutants for the tryptophan hydrolase enzyme gene (TRH) that lack serotonin had the opposed phenotype: the lipid metabolism down-regulated and impaired reproduction. Lipid metabolism is strongly linked to reproduction in D. magna. The aim of this study is to test if the above mentioned neuro-active chemicals disrupted common lipid groups and showed also the opposed lipidomic effects as those individuals lacking serotonin. This study used ultra-high performance liquid chromatography/time-of-flight mass spectrometry (UHPLC/TOFMS) to study how neuro-active chemicals (carbamazepine, diazepam, fluoxetine and propranolol) at low (0.1 μg/L) and higher concentrations (1 μg/L) and three CRISPR TRH mutant clones disrupt the dynamics of glycerophospholipids and glycerolipids in Daphnia adults. Lipidomic analysis identified 267 individual lipids corresponding to three classes of glycerolipids, eleven of glycerophospholipids, one of sterols and one of sphingolipids, of which 132 and 125 changed according to the chemical treatments or across clones, respectively. Most pharmaceutical treatments enhanced reproduction whereas mutated clones lacking serotonin reproduced to a lesser extent. Except for carbamazepine, most of the tested pharmaceuticals increased some triacylglycerol species and decreased monoacylglycerols, lysophospholipids, sphingomyelins and cholesterol esters in exposed females. Opposed lipidomic pattern was observed in mutated clones lacking serotonin. Lipidomic data, thus, indicate a close link between reported transcriptomic and lipidomic changes, which are likely related to serotonin and other neurological signalling pathways.
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Affiliation(s)
- Inmaculada Fuertes
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034 Barcelona, Spain.
| | - Benjamín Piña
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034 Barcelona, Spain
| | - Carlos Barata
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Spanish Research Council (IDAEA, CSIC), Jordi Girona 18, 08034 Barcelona, Spain.
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47
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Tan H, Polverino G, Martin JM, Bertram MG, Wiles SC, Palacios MM, Bywater CL, White CR, Wong BBM. Chronic exposure to a pervasive pharmaceutical pollutant erodes among-individual phenotypic variation in a fish. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 263:114450. [PMID: 32283454 DOI: 10.1016/j.envpol.2020.114450] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/27/2020] [Accepted: 03/22/2020] [Indexed: 06/11/2023]
Abstract
Pharmaceutical pollution is now recognised as a major emerging agent of global change. Increasingly, pharmaceutical pollutants are documented to disrupt ecologically important physiological and behavioural traits in exposed wildlife. However, little is known about potential impacts of pharmaceutical exposure on among-individual variation in these traits, despite phenotypic diversity being critical for population resilience to environmental change. Furthermore, although wildlife commonly experience multiple stressors contemporaneously, potential interactive effects between pharmaceuticals and biological stressors-such as predation threat-remain poorly understood. To redress this, we investigated the impacts of long-term exposure to the pervasive pharmaceutical pollutant fluoxetine (Prozac®) on among-individual variation in metabolic and behavioural traits, and the combined impacts of fluoxetine exposure and predation threat on mean metabolic and behavioural traits in a freshwater fish, the guppy (Poecilia reticulata). Using a mesocosm system, guppy populations were exposed for 15 months to one of two field-realistic levels of fluoxetine (nominal concentrations: 30 and 300 ng/L) or a solvent control. Fish from these populations were then tested for metabolic rate (oxygen uptake) and behaviour (activity), both before and after experiencing one of three levels of a predation treatment: an empty tank, a non-predatory fish (Melanotaenia splendida) or a predatory fish (Leiopotherapon unicolor). Guppies from both fluoxetine treatments had ∼70% lower among-individual variation in their activity levels, compared to unexposed fish. Similarly, fluoxetine exposure at the higher dosage was associated with a significant (26%) reduction in individual-level variation in oxygen uptake relative to unexposed fish. In addition, mean baseline metabolic rate was disrupted in low-fluoxetine exposed fish, although mean metabolic and behavioural responses to predation threat were not affected. Overall, our study demonstrates that long-term exposure to a pervasive pharmaceutical pollutant alters ecologically relevant traits in fish and erodes among-individual variability, which may be detrimental to the stability of contaminated populations globally.
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Affiliation(s)
- Hung Tan
- School of Biological Sciences, Monash University, Melbourne, Australia.
| | - Giovanni Polverino
- Centre for Evolutionary Biology, School of Biological Sciences, University of Western Australia, Perth, Australia
| | - Jake M Martin
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Michael G Bertram
- School of Biological Sciences, Monash University, Melbourne, Australia; Department of Wildlife, Fish, and Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - Sarah C Wiles
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Maria M Palacios
- School of Life and Environmental Sciences, Deakin University, Melbourne, Australia
| | - Candice L Bywater
- School of Biological Sciences, Monash University, Melbourne, Australia
| | - Craig R White
- School of Biological Sciences, Monash University, Melbourne, Australia; Centre for Geometric Biology, Monash University, Melbourne, Australia
| | - Bob B M Wong
- School of Biological Sciences, Monash University, Melbourne, Australia
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48
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de Alkimin GD, Paisio C, Agostini E, Nunes B. Phytoremediation processes of domestic and textile effluents: evaluation of the efficacy and toxicological effects in Lemna minor and Daphnia magna. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:4423-4441. [PMID: 31832946 DOI: 10.1007/s11356-019-07098-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 11/18/2019] [Indexed: 06/10/2023]
Abstract
Phytoremediation has been proposed as a potential biotechnological strategy to remediate effluents before their release into the environment. The use of common aquatic plant species, such as macrophytes (e.g., Lemna spp.) as a cleanup solution has been proposed decades ago. However, the effectiveness of such processes must be assessed by analyzing the toxicity of resulting effluents, for the monitoring of wastewater quality. To attain this purpose, this work intended to quantify the efficacy of a Lemna-based wastewater phytoremediation process, by analyzing toxicological effects of domestic and textile effluents. The toxic effects were measured in Lemna minor (same organisms used in the phytoremediation process, by quantifying toxicological endpoints such as root length, pigment content, and catalase activity) and by quantifying individual parameters of Daphnia magna (immobilization, reproduction, and behavior analysis). Phytoremediation process resulted in a decrease of chemical oxygen demand in both effluents and in an increase in root length of exposed plants. Moreover, textile effluent decreased pigments content and increased catalase activity, while domestic effluent increased the anthocyanin content of exposed plants. D. magna acute tests allowed calculating a EC50 and Toxic Units interval of 53.82-66.89%/1.85-1.49, respectively, to raw textile effluent; however, it was not possible to calculate these parameters for raw and treated domestic effluent (RDE and TDE). Therefore, in general, the acute toxicity of effluent toward D. magna was null for RDE, and mild for the treated textile effluent (TTE), probably due to the effect of phytoremediation. Exposure to textile effluents (raw and treated) increased the total number of neonates of D. magna and, in general, both textile effluents decreased D. magna distance swim. Moreover, although both effluents were capable of causing morphological and physiological/biochemical alterations in L. minor plants, organisms of this species were able to survive in the presence of both effluents and to remediate them.
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Affiliation(s)
- Gilberto Dias de Alkimin
- Departamento de Biologia, Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal
| | - Cintia Paisio
- Department of Molecular Biology, FCEFQyN, Universidad Nacional de Río Cuarto, Ruta 36 Km 601, X5804BYA, Río Cuarto, Córdoba, Argentina
| | - Elizabeth Agostini
- Department of Molecular Biology, FCEFQyN, Universidad Nacional de Río Cuarto, Ruta 36 Km 601, X5804BYA, Río Cuarto, Córdoba, Argentina
| | - Bruno Nunes
- Departamento de Biologia, Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
- Centro de Estudos do Ambiente e do Mar (CESAM), Campus de Santiago, Universidade de Aveiro, 3810-193, Aveiro, Portugal.
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49
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Rogowska J, Cieszynska-Semenowicz M, Ratajczyk W, Wolska L. Micropollutants in treated wastewater. AMBIO 2020; 49:487-503. [PMID: 31292910 PMCID: PMC6965340 DOI: 10.1007/s13280-019-01219-5] [Citation(s) in RCA: 84] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 05/16/2019] [Accepted: 06/25/2019] [Indexed: 05/19/2023]
Abstract
Compounds such as pharmaceuticals, or personal care products are only partially removed in wastewater treatment processes. Large number of these compounds and their degradation products is out of any control. A small number of compounds are covered by legal regulations. Among the compounds non-regulated by law, the target compounds, as well as non-target compounds can be distinguished. In the scientific literature, number of reports on various target compounds' determination is increasingly growing. This paper provides an up-to-date review on micropollutants present in treated wastewater and their concentrations found in literature in the years 2015-2019. Because the obtained results of chemical analyses do not adequately reflect the risks to ecosystems and consequently humans, the results of chemical analyses have been supplemented by a review of ecotoxicological studies. In addition, legal issues linked to contamination of treated wastewater and research related to identification of non-target compounds in treated effluents have been discussed.
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Affiliation(s)
- Justyna Rogowska
- Department of Environmental Toxicology, Faculty of Health Sciences, Medical University of Gdansk, Debowa Str. 23A, 80-204 Gdansk, Poland
| | - Monika Cieszynska-Semenowicz
- Department of Environmental Toxicology, Faculty of Health Sciences, Medical University of Gdansk, Debowa Str. 23A, 80-204 Gdansk, Poland
| | - Wojciech Ratajczyk
- Department of Environmental Toxicology, Faculty of Health Sciences, Medical University of Gdansk, Debowa Str. 23A, 80-204 Gdansk, Poland
| | - Lidia Wolska
- Department of Environmental Toxicology, Faculty of Health Sciences, Medical University of Gdansk, Debowa Str. 23A, 80-204 Gdansk, Poland
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50
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SILVA ALLYSONQDA, NILIN JEAMYLLE, LOUREIRO SUSANA, COSTA-LOTUFO LETICIAV. Acute and chronic toxicity of the benzodiazepine diazepam to the tropical crustacean Mysidopsis juniae. ACTA ACUST UNITED AC 2020; 92:e20180595. [DOI: 10.1590/0001-3765202020180595] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 11/06/2018] [Indexed: 11/22/2022]
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