1
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Sanpradit P, Byeon E, Lee JS, Peerakietkhajorn S. Ecotoxicological, ecophysiological, and mechanistic studies on zinc oxide (ZnO) toxicity in freshwater environment. Comp Biochem Physiol C Toxicol Pharmacol 2023; 273:109720. [PMID: 37586582 DOI: 10.1016/j.cbpc.2023.109720] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/09/2023] [Accepted: 08/13/2023] [Indexed: 08/18/2023]
Abstract
The world has faced climate change that affects hydrology and thermal systems in the aquatic environment resulting in temperature changes, which directly affect the aquatic ecosystem. Elevated water temperature influences the physico-chemical properties of chemicals in freshwater ecosystems leading to disturbing living organisms. Owing to the industrial revolution, the mass production of zinc oxide (ZnO) has been led to contaminated environments, and therefore, the toxicological effects of ZnO become more concerning under climate change scenarios. A comprehensive understanding of its toxicity influenced by main factors driven by climate change is indispensable. This review summarized the detrimental effects of ZnO with a single ZnO exposure and combined it with key climate change-associated factors in many aspects (i.e., oxidative stress, energy reserves, behavior and life history traits). Moreover, this review tried to point out ZnO kinetic behavior and corresponding mechanisms which pose a problem of observed detrimental effects correlated with the alteration of elevated temperature.
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Affiliation(s)
- Paweena Sanpradit
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand
| | - Eunjin Byeon
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
| | - Saranya Peerakietkhajorn
- Division of Biological Science, Faculty of Science, Prince of Songkla University, Hat Yai, Songkhla 90110, Thailand.
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2
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André C, Bibeault JF, Gagné F. Identifying physiological traits of species resilience against environmental stress in freshwater mussels. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:1862-1871. [PMID: 34379242 DOI: 10.1007/s10646-021-02457-8] [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] [Accepted: 07/02/2021] [Indexed: 06/13/2023]
Abstract
The advent of global warming events on already stressed organisms by pollution and loss of habitats raised concerns on the sustainability of local mussel populations. The purpose of this study was to study the physiology 6 commonly found species of freshwater mussels in the attempt to identify species at risk from global warming and pollution. The following species were examined for mass/length, energy metabolism, air survival and lipid peroxidation (LPO): Elliptio complanata (EC), Eurynia dilatata (ED), Pyganodon cataracta (PC), Pyganodon species (Psp), Lasmigona costata (LC) and Dreissena bugenis (DB). The data revealed that the estimated longevity of each species was associated with mussel mass, mitochondria electron transport (MET), temperature-dependent MET but negatively related with mitochondria levels in LPO and the colonization potential. The colonization potential was derived from the scaling of MET activity and mass, which confirmed that DB mussels are more invasive than the other species followed by Psp. Resistance to air emersion was significantly associated with longevity, mass and length and mitochondria LPO. Hence, organisms with low lifetimes, mass or length with high LPO are less able to survive for longer periods in air. In conclusion, longevity and air survival was positively associated with mass and energy metabolism but negatively with oxidative damage. This study proposes key markers in identifying species more at risk to contaminant stress, decreased water levels and global warming.
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Affiliation(s)
- C André
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, 105 McGill, Montréal, QC, Canada
| | - J F Bibeault
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, 105 McGill, Montréal, QC, Canada
| | - F Gagné
- Aquatic Contaminants Research Division, Environment and Climate Change Canada, 105 McGill, Montréal, QC, Canada.
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3
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Della Torre C, Maggioni D, Nigro L, Farè F, Hamza H, Protano G, Magni S, Fontana M, Riccardi N, Chiara M, Caruso D, Binelli A. Alginate coating modifies the biological effects of cerium oxide nanoparticles to the freshwater bivalve Dreissena polymorpha. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 773:145612. [PMID: 33582348 DOI: 10.1016/j.scitotenv.2021.145612] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 01/29/2021] [Accepted: 01/29/2021] [Indexed: 06/12/2023]
Abstract
The adsorption of biomacromolecules is a fundamental process that can alter the behaviour and adverse effects of nanoparticles (NPs) in natural systems. While the interaction of NPs with natural molecules present in the environment has been described, their biological impacts are largely unknown. Therefore, this study aims to provide a first evidence of the influence of biomolecules sorption on the toxicity of cerium oxide nanoparticles (CeO2NPs) towards the freshwater bivalve Dreissena polymorpha. To this aim, we compared naked CeO2NPs and coated with alginate and chitosan, two polysaccharides abundant in aquatic environments. Mussels were exposed to the three CeO2NPs (naked, chitosan- and alginate-coated) up to 14 days at 100 μg L-1, which is a concentration higher than the environmental one predicted for this type of NP. A suite of biomarkers related to oxidative stress and energy metabolism was applied, and metabolomics was also carried out to identify metabolic pathways potentially targeted by CeO2NPs. Results showed that the coating with chitosan reduced NP aggregation and increased the stability in water. Nonetheless, the Ce accumulation in mussels was similar in all treatments. As for biological effects, all three types of CeO2NPs reduced significantly the level of reactive oxygen species and the activity of superoxide dismutase, glutathione peroxidase and glutathione-S-transferase. The effect was more pronounced in individuals exposed to CeO2NPs coated with alginate, which also significantly induced the activity of the electron transport system. Metabolomics analysis of amino acid metabolism showed modulation only in mussels treated with CeO2NPs coated with alginate. In this group, 25 metabolites belonging to nucleotides, lipids/sterols and organic osmolytes were also modulated, suggesting that the nanoparticles affect energetic metabolism and osmoregulation of mussels. This study highlights the key role of the interaction between nanoparticles and natural molecules as a driver of nanoparticle ecotoxicity.
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Affiliation(s)
| | - Daniela Maggioni
- Department of Chemistry, Università degli Studi di Milano, Italy
| | - Lara Nigro
- Department of Biosciences, Università degli Studi di Milano, Italy
| | - Fiorenza Farè
- Unitech OMICs, mass spectrometry platform, Università degli Studi di Milano, Italy
| | - Hady Hamza
- Department of Chemistry, Università degli Studi di Milano, Italy
| | - Giuseppe Protano
- Department of Physical, Earth and Environmental Sciences, Università degli Studi di Siena, Italy
| | - Stefano Magni
- Department of Biosciences, Università degli Studi di Milano, Italy
| | - Manuela Fontana
- Unitech OMICs, mass spectrometry platform, Università degli Studi di Milano, Italy
| | | | - Matteo Chiara
- Department of Biosciences, Università degli Studi di Milano, Italy
| | - Donatella Caruso
- Unitech OMICs, mass spectrometry platform, Università degli Studi di Milano, Italy; Department of Pharmacological and Molecular Sciences, Università degli Studi di Milano, Italy
| | - Andrea Binelli
- Department of Biosciences, Università degli Studi di Milano, Italy
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4
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Monteiro R, Costa S, Coppola F, Freitas R, Vale C, Pereira E. Evidences of metabolic alterations and cellular damage in mussels after short pulses of Ti contamination. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:987-995. [PMID: 30308873 DOI: 10.1016/j.scitotenv.2018.08.314] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 08/22/2018] [Accepted: 08/23/2018] [Indexed: 06/08/2023]
Abstract
Mytilus galloprovincialis mussels were exposed to seawater contaminated with Ti. Initial concentrations were 4.1, 32, and 66 μg L-1 that declined during the first 24 h of the experiments, and after 48 h values were <2 μg L-1. Experiments were run in triplicate, under constant salinity and temperature. Mussels were fed every two days, and water renewed every seven days and Ti concentrations re-stabilized. During the first 28 days of experimental period, mussels were exposed to four short pulses of contamination, followed by few days of low Ti concentration between weekly contamination renewals. Then mussels were exposed to additional 14-day exposure to Ti uncontaminated seawater. Only residual Ti concentrations were measured in mussels' whole soft tissue after the four pulses of Ti contamination, indicating low Ti accumulation by the organisms. Nevertheless, the biomarkers related to mussels' metabolic capacity (electron transport system activity, ETS), oxidative damage (lipid peroxidation, LPO and reduced glutathione content, GSH), and defense mechanisms (antioxidant and biotransformation enzymes) evidenced the impact of Ti during the 28 days of experimental period. The biomarkers that better indicated the recovery of mussels' biochemical performance were the ETS, LPO, GSH, and the antioxidant enzyme glutathione peroxidase (GPx). LPO was the prime indicator among the analyzed biochemical responses. Organisms appear to hold coping mechanisms to lower the damage induced by Ti, and to recover, albeit the 14 days period of exposure to uncontaminated seawater following the four Ti pulses were not enough for full recovery, as evidenced by results on LPO levels and GSH concentrations. Despite the low solubility of Ti in seawater, the toxicity of this element to a model marine organism was demonstrated.
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Affiliation(s)
- Rui Monteiro
- Departamento de Química & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal; CIIMAR, Universidade do Porto, 4050-123 Porto, Portugal
| | - Silvana Costa
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Francesca Coppola
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
| | - Carlos Vale
- CIIMAR, Universidade do Porto, 4050-123 Porto, Portugal
| | - Eduarda Pereira
- Departamento de Química & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
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5
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Andrade M, De Marchi L, Soares AMVM, Rocha RJM, Figueira E, Freitas R. Are the effects induced by increased temperature enhanced in Mytilus galloprovincialis submitted to air exposure? THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 647:431-440. [PMID: 30086495 DOI: 10.1016/j.scitotenv.2018.07.293] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 07/19/2018] [Accepted: 07/20/2018] [Indexed: 06/08/2023]
Abstract
Intertidal mussel species are frequently exposed to changes of environmental parameters related to tidal regimes that include a multitude of stressors that they must avoid or tolerate by developing adaptive strategies. In particular, besides air exposure during low tides, intertidal mussels are also subjected to warming and, consequently, to higher risk of desiccation. However, scarce information is available regarding the responses of mussels to tidal regimes, particularly in the presence of other stressors such as increased temperature. Investigating the impacts of such combination of conditions will allow to understand the possible impacts that both factors interaction may generate to these intertidal organisms. To this end, the present study evaluated the impacts of different temperatures (18 °C and 21 °C) on Mytilus galloprovincialis when continuously submersed or exposed to a tidal regime for 14 days. Results showed that in mussels exposed to increased temperature under submersion conditions, the stress induced was enough to activate mussels' antioxidant defenses (namely glutathione peroxidase, GPx), preventing oxidative damage (lipid peroxidation, LPO; protein carbonylation, PC). In mussels exposed to tides at control temperature, metabolic capacity increased (electron transport system activity, ETS), and GPx was induced, despite resulting in increased LPO levels. Moreover, the combination of tides and temperature increase led to a significant decrease of lipid (LIP) content, activation of antioxidant defenses (superoxide dismutase, SOD; GPx) and increase of oxidized glutathione (GSSG), despite these mechanisms were not sufficient to prevent increased cellular damage. Therefore, the combination of increased temperature and air exposure induced higher oxidative stress in mussels. These findings indicate that increasing global warming could be more impacting to intertidal organisms compared to organisms continuously submersed. Furthermore, our results indicate that air exposure can act as a confounding factor when assessing the impacts of different stressors in organisms living in coastal systems.
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Affiliation(s)
- Madalena Andrade
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Lucia De Marchi
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Amadeu M V M Soares
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rui J M Rocha
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Etelvina Figueira
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & Center for Environmental and Marine Studies (CESAM), University of Aveiro, 3810-193 Aveiro, Portugal.
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6
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Goodchild CG, Simpson AM, Minghetti M, DuRant SE. Bioenergetics-adverse outcome pathway: Linking organismal and suborganismal energetic endpoints to adverse outcomes. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:27-45. [PMID: 30259559 DOI: 10.1002/etc.4280] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/07/2018] [Accepted: 09/20/2018] [Indexed: 05/21/2023]
Abstract
Adverse outcome pathways (AOPs) link toxicity across levels of biological organization, and thereby facilitate the development of suborganismal responses predictive of whole-organism toxicity and provide the mechanistic information necessary for science-based extrapolation to population-level effects. Thus far AOPs have characterized various acute and chronic toxicity pathways; however, the potential for AOPs to explicitly characterize indirect, energy-mediated effects from toxicants has yet to be fully explored. Indeed, although exposure to contaminants can alter an organism's energy budget, energetic endpoints are rarely incorporated into ecological risk assessment because there is not an integrative framework for linking energetic effects to organismal endpoints relevant to risk assessment (e.g., survival, reproduction, growth). In the present analysis, we developed a generalized bioenergetics-AOP in an effort to make better use of energetic endpoints in risk assessment, specifically exposure scenarios that generate an energetic burden to organisms. To evaluate empirical support for a bioenergetics-AOP, we analyzed published data for links between energetic endpoints across levels of biological organization. We found correlations between 1) cellular energy allocation and whole-animal growth, and 2) metabolic rate and scope for growth. Moreover, we reviewed literature linking energy availability to nontraditional toxicological endpoints (e.g., locomotor performance), and found evidence that toxicants impair aerobic performance and activity. We conclude by highlighting current knowledge gaps that should be addressed to develop specific bioenergetics-AOPs. Environ Toxicol Chem 2019;38:27-45. © 2018 SETAC.
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Affiliation(s)
| | - Adam M Simpson
- Oklahoma State University, Stillwater, Oklahoma, USA
- Penn State Erie, The Behrend College, Erie, Pennsylvania, USA
| | | | - Sarah E DuRant
- Oklahoma State University, Stillwater, Oklahoma, USA
- University of Arkansas, Fayetteville, Arkansas, USA
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7
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Péden R, Rocher B, Chan P, Vaudry D, Poret A, Olivier S, Le Foll F, Bultelle F. Highly polluted life history and acute heat stress, a hazardous mix for blue mussels. MARINE POLLUTION BULLETIN 2018; 135:594-606. [PMID: 30301078 DOI: 10.1016/j.marpolbul.2018.07.066] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 07/16/2018] [Accepted: 07/23/2018] [Indexed: 06/08/2023]
Abstract
Intertidal sessile organisms constitute through their life history unintended stress recorders. This study focuses on the impact of pollution on Mytilus edulis ability to cope with an additional stress. For this purpose, two acclimation stages to different temperatures were conducted before an acute stress exposure in mussels collected from a heavily polluted site. Gill proteomes were analyzed by 2DE and regulated proteins identified. Massive mortality was observed for organisms acclimated to colder temperatures. Despite this major difference, both groups shared a common response with a strong representation of proteoforms corresponding to "folding, sorting and degradation" processes. Nevertheless, surviving mussels exhibit a marked increase in protein degradation consistent with the observed decrease of cell defense proteins. Mussels acclimated to warmer temperature response is essentially characterized by an improved heat shock response. These results show the differential ability of mussels to face both pollution and acute heat stress, particularly for low-acclimated organisms.
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Affiliation(s)
- Romain Péden
- Laboratory of Ecotoxicology, UMR-I 02 SEBIO, Le Havre University, Normandy University, France; Université de Lorraine, CNRS, LIEC, F-57000 Metz, France.
| | - Béatrice Rocher
- Laboratory of Ecotoxicology, UMR-I 02 SEBIO, Le Havre University, Normandy University, France
| | - Philippe Chan
- Platform in proteomics PISSARO IRIB, Rouen University, Normandy University, France
| | - David Vaudry
- Platform in proteomics PISSARO IRIB, Rouen University, Normandy University, France; Laboratory of Neuronal and Neuroendocrine Differenciation and Communication, INSERM U982, Rouen University, Normandy University, France
| | - Agnès Poret
- Laboratory of Ecotoxicology, UMR-I 02 SEBIO, Le Havre University, Normandy University, France
| | - Stéphanie Olivier
- Laboratory of Ecotoxicology, UMR-I 02 SEBIO, Le Havre University, Normandy University, France
| | - Frank Le Foll
- Laboratory of Ecotoxicology, UMR-I 02 SEBIO, Le Havre University, Normandy University, France
| | - Florence Bultelle
- Laboratory of Ecotoxicology, UMR-I 02 SEBIO, Le Havre University, Normandy University, France
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8
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Aguirre-Martínez GV, André C, Gagné F, Martín-Díaz LM. The effects of human drugs in Corbicula fluminea. Assessment of neurotoxicity, inflammation, gametogenic activity, and energy status. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 148:652-663. [PMID: 29156432 DOI: 10.1016/j.ecoenv.2017.09.042] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 09/14/2017] [Accepted: 09/15/2017] [Indexed: 06/07/2023]
Abstract
The constant release of pharmaceuticals products to aquatic environment even at low concentrations (ng L-1 to µg L-1) could lead to unknown chronic effects to non-target organisms. The aim of this study was to evaluate neurotoxic responses, inflammation, gametogenic activity and energy status on the fresh water clam C. fluminea after exposure to different concentrations of caffeine (CAF), ibuprofen (IBU), carbamazepine (CBZ), novobiocin (NOV) and tamoxifen (TMX) for 21 days under laboratory conditions. During the assay, water was spiked every two days with CAF (0; 0.1; 5; 15; 50µgL-1), IBU (0; 0.1; 5; 10; 50µgL-1), CBZ, NOV, and TMX (0.1, 1, 10, 50µgL-1). After the exposure period, dopamine levels (DOP), monoamine oxidase activity (MAO), arachidonic acid cyclooxygenase activity (COX), vitellogenin-like proteins (VTG), mitochondrial electron transport (MET), total lipids (TLP), and energy expenditure (MET/TLP) were determined in gonad tissues, and acetyl cholinesterase activity (AChE) was determined in digestive gland tissues. Results showed a concentration-dependence response on biomarkers tested, except for MAO. Environmental concentrations of pharmaceuticals induced significant changes (p < 0.05) in the neurotoxic responses analyzed (CAF, CBZ and NOV increased DOP levels and CBZ inhibited AChE activity), inflammation (CAF induced COX), and energy status (MET and TLP increased after exposure to CBZ, NOV and TMX). Responses of clams were related to the mechanism of action (MoA) of pharmaceuticals. Biomarkers applied and the model organism C. fluminea constituted a suitable tool for environmental risk assessment of pharmaceutical in aquatic environment.
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Affiliation(s)
- G V Aguirre-Martínez
- Facultad Ciencias del Mar y Ambientales. Universidad de Cádiz, Campus Excelencia Internacional del Mar (CEI-Mar), Polígono Río San Pedro s/n, P. Real, Cádiz, Spain; Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121,1110939 Iquique, Chile; Andalusian Center of Marine Science and Technology (CACYTMAR), Campus Universitario de Puerto Real, 11510 Puerto Real, Cádiz, Spain.
| | - C André
- Emerging Methods, Aquatic Contaminants Research Division, Environment Canada, 105 McGill, Montreal, Quebec, Canada H2Y 2E7
| | - F Gagné
- Emerging Methods, Aquatic Contaminants Research Division, Environment Canada, 105 McGill, Montreal, Quebec, Canada H2Y 2E7
| | - L M Martín-Díaz
- Facultad Ciencias del Mar y Ambientales. Universidad de Cádiz, Campus Excelencia Internacional del Mar (CEI-Mar), Polígono Río San Pedro s/n, P. Real, Cádiz, Spain; Andalusian Center of Marine Science and Technology (CACYTMAR), Campus Universitario de Puerto Real, 11510 Puerto Real, Cádiz, Spain
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9
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Blaise C, Gagné F, Burgeot T. Three simple biomarkers useful in conducting water quality assessments with bivalve mollusks. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27662-27669. [PMID: 27230145 DOI: 10.1007/s11356-016-6908-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 05/16/2016] [Indexed: 06/05/2023]
Abstract
While biomarkers are undeniably key tools in aquatic ecotoxicology to measure adverse effects linked to contamination events, their application is often inhibited by monetary constraints negating the possibility of having access to dedicated equipment, special wares, and/or expensive reagents. To offset this bottleneck, we propose three simple physiological biomarkers, quantifiable in bivalves, that are free of cost considerations and that can provide basic knowledge on animal health and water quality. Indeed, condition index (CI), growth index (GI), and SOS response (air-time survival) comprise measurements straightforward enough to perform by any laboratory or science body on the planet. Long-term monitoring or screening studies can be carried out with these biomarkers and they are able to provide robust information notably after exposure of bivalves to either singular or multiple agents of contamination. By highlighting examples of data generated in aquatic studies conducted in Eastern Canada under both laboratory and field situations with different species of marine and freshwater mollusks, we establish the suitability of these biomarkers for assessing environmental contamination. Their relationships with other biomarkers are also shown which further corroborate their value as reliable indicators of ecosystem health.
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Affiliation(s)
- Christian Blaise
- Aquatic Contaminant Division, Environment and Climate Change Canada, Montréal, Québec, Canada.
| | - François Gagné
- Aquatic Contaminant Division, Environment and Climate Change Canada, Montréal, Québec, Canada
| | - Thierry Burgeot
- Unité de Biogéochimie et écotoxicologie, Ifremer, Nantes, France
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10
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Séguin A, Mottier A, Perron C, Lebel JM, Serpentini A, Costil K. Sub-lethal effects of a glyphosate-based commercial formulation and adjuvants on juvenile oysters (Crassostrea gigas) exposed for 35days. MARINE POLLUTION BULLETIN 2017; 117:348-358. [PMID: 28202277 DOI: 10.1016/j.marpolbul.2017.02.028] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Revised: 01/18/2017] [Accepted: 02/09/2017] [Indexed: 06/06/2023]
Abstract
Glyphosate-based herbicides include active matter and adjuvants (e.g. polyethoxylated tallow amines, POEAs). In addition to a previous investigation on the effect of glyphosate on oysters, the aim of the present study was to investigate the effects of sub-chronic exposures (35days) to three concentrations (0.1, 1 and 100μgL-1) of Roundup Express® (REX) and POEAs on oysters belonging to the same age group. Low mortality rates were calculated, and only few significant differences (i.e. shell length) between exposure conditions were observed at a given date. However, when comparing the biomarker's temporal variations, some different patterns (e.g. condition index, reproduction, parameters of oxidative stress) were observed depending on the molecules and concentrations. These results suggest that a longer exposure to an environmental concentration (0.1μgL-1) of REX and POEAs could induce harmful effects on oysters.
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Affiliation(s)
- Alexis Séguin
- Normandie Université, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques); MNHN, UPMC, UCN, CNRS-7208, IRD-207; IBFA; Université de Caen Normandie, Esplanade de la Paix, CS 14032;14032 Caen Cedex 5, France
| | - Antoine Mottier
- Normandie Université, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques); MNHN, UPMC, UCN, CNRS-7208, IRD-207; IBFA; Université de Caen Normandie, Esplanade de la Paix, CS 14032;14032 Caen Cedex 5, France
| | - Carole Perron
- Normandie Université, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques); MNHN, UPMC, UCN, CNRS-7208, IRD-207; IBFA; Université de Caen Normandie, Esplanade de la Paix, CS 14032;14032 Caen Cedex 5, France
| | - Jean Marc Lebel
- Normandie Université, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques); MNHN, UPMC, UCN, CNRS-7208, IRD-207; IBFA; Université de Caen Normandie, Esplanade de la Paix, CS 14032;14032 Caen Cedex 5, France
| | - Antoine Serpentini
- Normandie Université, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques); MNHN, UPMC, UCN, CNRS-7208, IRD-207; IBFA; Université de Caen Normandie, Esplanade de la Paix, CS 14032;14032 Caen Cedex 5, France
| | - Katherine Costil
- Normandie Université, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et Ecosystèmes Aquatiques); MNHN, UPMC, UCN, CNRS-7208, IRD-207; IBFA; Université de Caen Normandie, Esplanade de la Paix, CS 14032;14032 Caen Cedex 5, France.
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11
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Bielen A, Bošnjak I, Sepčić K, Jaklič M, Cvitanić M, Lušić J, Lajtner J, Simčič T, Hudina S. Differences in tolerance to anthropogenic stress between invasive and native bivalves. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 543:449-459. [PMID: 26599145 DOI: 10.1016/j.scitotenv.2015.11.049] [Citation(s) in RCA: 66] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2015] [Revised: 10/31/2015] [Accepted: 11/09/2015] [Indexed: 06/05/2023]
Abstract
Tolerance towards environmental stress has been frequently considered as one of the key determinants of invasion success. However, empirical evidence supporting the assumption that invasive species can better endure unfavorable conditions compared with native species is limited and has yielded opposing results. In this study, we examined the tolerance to different stress conditions (thermal stress and trace metal zinc pollution stress) in two phylogenetically related and functionally similar freshwater bivalve species, the native Anodonta anatina and the invasive Sinanodonta woodiana. We assessed potential differences in response to stress conditions using several cellular response assays: efficiency of the multixenobiotic resistance mechanism, respiration estimate (INT reduction capacity), and enzymatic biomarkers. Our results demonstrated that the invasive species overall coped much better with unfavorable conditions. The higher tolerance of S. woodiana was evident from (i) significantly decreased Rhodamine B accumulation indicating more efficient multixenobiotic resistance mechanism; (ii) significantly higher INT reduction capacity and (iii) less pronounced alterations in the activity of stress-related enzymes (glutathione-S-transferase, catalase) and of a neurotoxicity biomarker (cholinesterase) in the majority of treatment conditions in both stress trials. Higher tolerance to thermal extremes may provide physiological benefit for further invasion success of S. woodiana in European freshwaters, especially in the context of climate change.
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Affiliation(s)
- Ana Bielen
- University of Zagreb, Faculty of Food Technology and Biotechnology, Department of Biochemical Engineering, Pierottijeva 6, 10000 Zagreb, Croatia.
| | - Ivana Bošnjak
- University of Zagreb, Faculty of Food Technology and Biotechnology, Department of Biochemical Engineering, Pierottijeva 6, 10000 Zagreb, Croatia; University of Zagreb, Faculty of Science, Department of Botany, Rooseveltov trg 6, 10000 Zagreb,Croatia
| | - Kristina Sepčić
- University of Ljubljana, Biotechnical Faculty, Department of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Martina Jaklič
- National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Marija Cvitanić
- University of Zagreb, Faculty of Science, Department of Biology, Rooseveltov trg 6, 10000 Zagreb, Croatia
| | - Jelena Lušić
- Institute of Oceanography and Fisheries, Laboratory of Chemical Oceanography and Sedimentology of the Sea, Šetalište I. Meštrovića 63, 21000 Split, Croatia
| | - Jasna Lajtner
- University of Zagreb, Faculty of Science, Department of Biology, Rooseveltov trg 6, 10000 Zagreb, Croatia
| | - Tatjana Simčič
- National Institute of Biology, Večna pot 111, 1000 Ljubljana, Slovenia
| | - Sandra Hudina
- University of Zagreb, Faculty of Science, Department of Biology, Rooseveltov trg 6, 10000 Zagreb, Croatia.
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12
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Mottier A, Séguin A, Devos A, Pabic CL, Voiseux C, Lebel JM, Serpentini A, Fievet B, Costil K. Effects of subchronic exposure to glyphosate in juvenile oysters (Crassostrea gigas): From molecular to individual levels. MARINE POLLUTION BULLETIN 2015; 95:665-77. [PMID: 25455786 DOI: 10.1016/j.marpolbul.2014.10.026] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 09/25/2014] [Accepted: 10/15/2014] [Indexed: 06/04/2023]
Abstract
Glyphosate-based herbicides are extensively used and can be measured in aquatic ecosystems, including coastal waters. The effect of glyphosate on non-target organisms is an issue of worldwide concern. The aim of this study was to investigate the effects of subchronic exposure to glyphosate in juvenile oysters, Crassostrea gigas. Yearling oysters were exposed to three concentrations of glyphosate (0.1, 1 and 100μgL(-1)) for 56days. Various endpoints were studied, from the individual level (e.g., gametogenesis and tissue alterations) to the molecular level (mRNA quantification), including biochemical endpoints such as glutathione-S-transferase (GST) and catalase activities and malondialdehyde content. No mortality and growth occurred during the experiment, and individual biomarkers revealed only slight effects. The levels of gene expression significantly increased in oysters exposed to the highest glyphosate concentration (GST and metallothioneins) or to all concentrations (multi-xenobiotic resistance). These results suggested an activation of defence mechanisms at the molecular level.
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Affiliation(s)
- Antoine Mottier
- Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Basse-Normandie, Esplanade de la Paix, CS 14032, 14032 Caen Cedex 5, France
| | - Alexis Séguin
- Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Basse-Normandie, Esplanade de la Paix, CS 14032, 14032 Caen Cedex 5, France
| | - Alexandre Devos
- Radioecology Laboratory of Cherbourg-Octeville, Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS, BP n°10, rue Max Pol Fouchet, 50130 Octeville, France
| | - Charles Le Pabic
- Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Basse-Normandie, Esplanade de la Paix, CS 14032, 14032 Caen Cedex 5, France
| | - Claire Voiseux
- Radioecology Laboratory of Cherbourg-Octeville, Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS, BP n°10, rue Max Pol Fouchet, 50130 Octeville, France
| | - Jean Marc Lebel
- Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Basse-Normandie, Esplanade de la Paix, CS 14032, 14032 Caen Cedex 5, France
| | - Antoine Serpentini
- Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Basse-Normandie, Esplanade de la Paix, CS 14032, 14032 Caen Cedex 5, France
| | - Bruno Fievet
- Radioecology Laboratory of Cherbourg-Octeville, Institute of Radioprotection and Nuclear Safety/PRP-ENV/SERIS, BP n°10, rue Max Pol Fouchet, 50130 Octeville, France
| | - Katherine Costil
- Normandie Université, Université de Caen Basse-Normandie, F-14032 Caen, France; UMR BOREA (Biologie des Organismes et des Ecosystèmes Aquatiques), MNHN, UPMC, UCBN, CNRS-7208, IRD-207, IBFA, Université de Caen Basse-Normandie, Esplanade de la Paix, CS 14032, 14032 Caen Cedex 5, France.
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13
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Falfushynska H, Gnatyshyna L, Yurchak I, Sokolova I, Stoliar O. The effects of zinc nanooxide on cellular stress responses of the freshwater mussels Unio tumidus are modulated by elevated temperature and organic pollutants. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 162:82-93. [PMID: 25781395 DOI: 10.1016/j.aquatox.2015.03.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2015] [Revised: 02/27/2015] [Accepted: 03/06/2015] [Indexed: 06/04/2023]
Abstract
Nanoparticle toxicity is a growing concern in freshwater habitats. However, understanding of the nanoparticle effects on aquatic organisms is impeded by the lack of the studies of the nanoparticles effects in the environmentally relevant context of multiple stress exposures. Zinc oxide nanoparticles (n-ZnO) are widely used metal-based nanoparticles in electronics and personal care products that accumulate in aquatic environments from multiple non-point sources. In this study, we evaluated the effects of n-ZnO in a model organism, a mussel Unio tumidus, and the potential modulation of these effects by common co-occurring environmental stressors. Male U. tumidus were exposed for 14 days to n-ZnO (3.1 μM), Zn(2+) (3.1 μM), Ca-channel blocker nifedipine (Nfd 10 μM), combinations of n-ZnO and Nfd or n-ZnO and thiocarbamate fungicide Tattoo (Ta, 91 μg L(-1)) at 18 °C, and n-ZnO at 25 °C (n-ZnO+t°). Total and metallothionein-bound Zn levels as well as levels of metallothioneins (MT), cellular stress responses and cytotoxicity biomarkers were assessed in the mussels. The key biomarkers that showed differential responses to different single and combined stressors in this study were activities of caspase-3 and lysosomal cathepsin D, as well as protein carbonyl content. At 18 °C, exposures to n-ZnO, organic pollutants and their combinations led to a prominent up-regulation of MT levels (by ∼30%) and oxidative stress response including up-regulation of superoxide dismutase activity, an increase in oxyradical production, and a 2-3-fold decrease in the levels of protein carbonyls in all exposures except nZnO+Ta. Expos ure to n-ZnO in the absence of other stressors also led to a strong (∼7-fold) elevation of cathepsin D activity. Cellular responses to Zn(2+) and n-ZnO were different indicating that n-ZnO was not due exclusively to Zn release. Ca-channel blocker Nfd affected intracellular Zn distribution (reflected in the prominent elevation of Zn-MT levels) and caused reductive stress indicated by elevated levels of reduced glutathione levels and an increase in lactate/pyruvate ratio (reflecting higher NADH/NAD ratio). Elevated temperature (25 °C) abolished most of the typical responses to n-ZnO and induced oxidative injury, DNA fragmentation and caspase-3 mediated apoptosis in n-ZnO-exposed mussels. DNA fragmentation was also induced by exposure to organic toxins (alone and in combination with n-ZnO) but not by n-ZnO alone. These data indicate that n-ZnO toxicity to freshwater organisms is modulated by organic pollutants and enhanced by elevated temperatures.
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Affiliation(s)
- Halina Falfushynska
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 46027, Kryvonosa Str. 2, Ternopil, Ukraine
| | - Lesya Gnatyshyna
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 46027, Kryvonosa Str. 2, Ternopil, Ukraine
| | - Irina Yurchak
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 46027, Kryvonosa Str. 2, Ternopil, Ukraine
| | - Inna Sokolova
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, NC 28223, USA.
| | - Oksana Stoliar
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, 46027, Kryvonosa Str. 2, Ternopil, Ukraine
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14
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Falfushynska H, Gnatyshyna L, Yurchak I, Ivanina A, Stoliar O, Sokolova I. Habitat pollution and thermal regime modify molecular stress responses to elevated temperature in freshwater mussels (Anodonta anatina: Unionidae). THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 500-501:339-350. [PMID: 25240236 DOI: 10.1016/j.scitotenv.2014.08.112] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2014] [Revised: 08/30/2014] [Accepted: 08/30/2014] [Indexed: 06/03/2023]
Abstract
Elevated temperature and pollution are common stressors in freshwater ecosystems. We study cellular stress response to acute warming in Anodonta anatina (Unionidae) from sites with different thermal regimes and pollution levels: a pristine area and an agriculturally polluted site with normal temperature regimes (F and A, respectively) and a polluted site with elevated temperature (N) from the cooling pond of an electrical power plant. Animals were exposed to different temperatures for 14 days and stress response markers were measured in gills, digestive gland and hemocytes. Mussels from site N and A had elevated background levels of lactate dehydrogenase activity indicating higher reliance on anaerobic metabolism for ATP production and/or redox maintenance. Exposure to 25°C and 30°C induced oxidative stress (indicated by elevated levels of lipid peroxidation products) in digestive gland and gills of mussels from A and F sites, while in mussels from N sites elevated oxidative stress was only apparent at 30°C. Temperature-induced changes in levels of antioxidants (superoxide dismutase, metallothioneins and glutathione) were tissue- and population-specific. Acute warming led to destabilization of lysosomal membranes and increased frequencies of nuclear lesions in mussels from F and A sites but not in their counterparts from N site. Elevated temperature led to an increase in the frequency of micronuclei in hemocytes in mussels from F and A sites at 25°C and 30°C and in mussels from N site at 30°C. The mussels from N site also demonstrated better survival at elevated temperature (30°C) than their counterparts from the F and A sites. Taken together, these data indicate that long-term acclimation and/or adaptation of A. anatina to elevated temperatures result in increased thermotolerance and alleviate stress response to moderate temperature rise. In contrast, extreme warming (30°C) is harmful to mussels from all populations indicating limit to this induced thermotolerance.
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Affiliation(s)
- H Falfushynska
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, Kryvonosa Str 2, 46027 Ternopil, Ukraine
| | - L Gnatyshyna
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, Kryvonosa Str 2, 46027 Ternopil, Ukraine
| | - I Yurchak
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, Kryvonosa Str 2, 46027 Ternopil, Ukraine
| | - A Ivanina
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, NC 28223, USA
| | - O Stoliar
- Research Laboratory of Comparative Biochemistry and Molecular Biology, Ternopil National Pedagogical University, Kryvonosa Str 2, 46027 Ternopil, Ukraine
| | - I Sokolova
- Department of Biological Sciences, University of North Carolina at Charlotte, 9201 University City Blvd., Charlotte, NC 28223, USA.
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15
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Scherer C, Seeland A, Oehlmann J, Müller R. Interactive effects of xenobiotic, abiotic and biotic stressors on Daphnia pulex--results from a multiple stressor experiment with a fractional multifactorial design. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 138-139:105-115. [PMID: 23727598 DOI: 10.1016/j.aquatox.2013.04.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2012] [Revised: 04/24/2013] [Accepted: 04/30/2013] [Indexed: 06/02/2023]
Abstract
Pollutant effects on aquatic key species are confounded by multiple abiotic and biotic stressors. To better discriminate and understand the intrinsic and environmental correlates of changing aquatic ecosystems, we untangle in present study how the effects of a low-dosed fungicide on daphnids (via different exposure routes) becomes modified by increasing temperature and the presence of a predator. Using a fractional multifactorial test design, the individual growth, reproduction and population growth rate of Daphnia pulex were investigated under exposure to the fungicide pyrimethanil at an environmental relevant concentration--either directly (via the water phase), indirectly (via food), dually (via water and food) or for multiple generations (fungicide treated source population)--at three temperatures and in presence/absence of the predator kairomones of Chaoborus flavicans. Our results clearly illustrate that multiple stress factors can modify the response of an aquatic key species to pollutants. The environmentally relevant exposure of the contaminant via food or the medium is of same importance. Nevertheless, temperature and the presence of a predator are the dominant factors controlling the reproduction of D. pulex. We conclude that sublethal pyrimethanil pollution can disturb the zooplankton community at suboptimal temperature conditions, but the effects will become masked by low temperatures or if chaoborid larvae are present.
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Affiliation(s)
- Christian Scherer
- Goethe University Frankfurt am Main, Department Aquatic Ecotoxicology, Max-von-Laue-Strasse 13, D-60438 Frankfurt, Germany.
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16
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Seeland A, Albrand J, Oehlmann J, Müller R. Life stage-specific effects of the fungicide pyrimethanil and temperature on the snail Physella acuta (Draparnaud, 1805) disclose the pitfalls for the aquatic risk assessment under global climate change. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2013; 174:1-9. [PMID: 23246620 DOI: 10.1016/j.envpol.2012.10.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2012] [Revised: 10/08/2012] [Accepted: 10/10/2012] [Indexed: 06/01/2023]
Abstract
It can be suggested that the combined stress of pesticide pollution and suboptimal temperature influences the sensitivity of life stages of aquatic invertebrates differently. The embryo, juvenile, half- and full-life-cycle toxicity tests performed with the snail Physella acuta at different concentrations (0.06-0.5 or 1.0 mg L(-1)) of the model fungicide pyrimethanil at 15, 20 and 25 °C revealed, that pyrimethanil caused concentration-dependent effects at all test temperatures. Interestingly, the ecotoxicity of pyrimethanil was higher at lower (suboptimal) temperature for embryo hatching and F(1) reproduction, but its ecotoxicity for juvenile growth and F(0) reproduction increased with increasing temperature. The life-stage specific temperature-dependent ecotoxicity of pyrimethanil and the high fungicide susceptibility of the invasive snail clearly demonstrate the complexity of pesticide-temperature interactions and the challenge to draw conclusions for the risk of pesticides under the impact of global climate change.
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Affiliation(s)
- Anne Seeland
- Goethe University Frankfurt am Main, Department Aquatic Ecotoxicology, Max-von-Laue-Strasse 13, D-60438 Frankfurt, Germany.
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17
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Hellou J, Ross NW, Moon TW. Glutathione, glutathione S-transferase, and glutathione conjugates, complementary markers of oxidative stress in aquatic biota. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2012; 19:2007-23. [PMID: 22532120 DOI: 10.1007/s11356-012-0909-x] [Citation(s) in RCA: 107] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2011] [Accepted: 04/02/2012] [Indexed: 05/22/2023]
Abstract
Contaminants are ubiquitous in the environment and their impacts are of increasing concern due to human population expansion and the generation of deleterious effects in aquatic species. Oxidative stress can result from the presence of persistent organic pollutants, metals, pesticides, toxins, pharmaceuticals, and nanomaterials, as well as changes in temperature or oxygen in water, the examined species, with differences in age, sex, or reproductive cycle of an individual. The antioxidant role of glutathione (GSH), accompanied by the formation of its disulfide dimer, GSSG, and metabolites in response to chemical stress, are highlighted in this review along with, to some extent, that of glutathione S-transferase (GST). The available literature concerning the use and analysis of these markers will be discussed, focusing on studies of aquatic organisms. The inclusion of GST within the suite of biomarkers used to assess the effects of xenobiotics is recommended to complement that of lipid peroxidation and mixed function oxygenation. Combining the analysis of GSH, GSSG, and conjugates would be beneficial in pinpointing the role of contaminants within the plethora of causes that could lead to the toxic effects of reactive oxygen species.
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Affiliation(s)
- Jocelyne Hellou
- Bedford Institute of Oceanography, Department of Fisheries and Oceans, Dartmouth, Nova Scotia, Canada.
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18
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Lapointe D, Pierron F, Couture P. Individual and combined effects of heat stress and aqueous or dietary copper exposure in fathead minnows (Pimephales promelas). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2011; 104:80-85. [PMID: 21543052 DOI: 10.1016/j.aquatox.2011.02.022] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2010] [Revised: 02/28/2011] [Accepted: 02/28/2011] [Indexed: 05/30/2023]
Abstract
Despite its role as an essential micronutrient, copper (Cu) can be present in aquatic ecosystems at concentrations able to cause adverse health effects on aquatic organisms. Although Cu is acquired by fish by either water or diet, studies that have investigated Cu impacts in fish have mainly focused on the toxicity of waterborne Cu. Moreover, as the majority of experiments were carried out under simplified conditions, little is known about the effects of natural factors other than competitive ions on Cu toxicity in fish. As temperature is a primary factor that affects the physiological state of poikilotherm organisms, we investigated the individual and combined effects of temperature and waterborne or dietary Cu on fathead minnows (Pimephales promelas). Fish were exposed to environmentally realistic concentrations of waterborne or dietary Cu at 20 °C and 32 °C. Transcriptional and enzymatic responses of various indicators of metabolic capacities as well as indicators of heat, oxidative and metal stresses were measured in fish muscle. Under our experimental conditions, temperature was the most important factor affecting the general condition of fish. Although no significant Cu accumulation was observed in the muscle of Cu-exposed fish, at 20 °C, waterborne and dietary Cu triggered significant changes in the transcription level of genes encoding for proteins involved in energy metabolism, metal detoxification and protein protection. Moreover, the response was quantitatively more important for dietary Cu than for waterborne Cu. Combined exposure to heat and Cu triggered the most significant changes in gene transcription levels and enzyme activities. During combined exposure to heat and Cu, in addition to synergistic effects of the two factors, both waterborne and dietary Cu impaired the adaptive response developed by fish to curb heat stress. Reciprocally, temperature impaired the adaptive response developed by fish to combat Cu toxicity. These results suggest that wild fish populations subjected to elevated temperatures due to seasonal warming or global climate change may become more susceptible to Cu pollution, and vice versa.
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Affiliation(s)
- Dominique Lapointe
- Institut National de la Recherche Scientifique-Centre Eau Terre Environnement (INRS-ETE), Université du Québec, 490 de la Couronne, Québec, QC G1K9A9, Canada
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Greco L, Pellerin J, Capri E, Garnerot F, Louis S, Fournier M, Sacchi A, Fusi M, Lapointe D, Couture P. Physiological effects of temperature and a herbicide mixture on the soft-shell clam Mya arenaria (Mollusca, Bivalvia). ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2011; 30:132-141. [PMID: 20853449 DOI: 10.1002/etc.359] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The aim of the current study was to investigate effects of temperature and a mixture of herbicides on the physiological status of the bivalve Mya arenaria. Bivalves acclimated to two temperatures (7 and 18°C) were exposed for 28 d to 0.01 mg/L of a pesticide formulation containing dichlorophenoxyacetic acid (2,4-D), 2-(2-methyl-4-chlorophenoxy) propionic acid (mecoprop), and 3,6-dichloro-2-methoxybenzoic acid (dicamba). At days 7, 14, and 28, mortality, immune parameters (hemocyte number, phagocytic activity, and efficiency), biomarkers of oxidative stress (catalase [CAT] and superoxide dismutase [SOD] activities and malondialdehyde [MDA] content), the metabolic enzyme cytochrome C oxidase (CCO), a biomarker of pesticide exposure (acetylcholinesterase [AChE]), and the activity of an enzyme related to gametogenesis (aspartate transcarbamylase [ATCase]) were monitored in clam tissues. Gonadosomatic index (GSI), condition factor (CF), and sex were also assessed. In clams acclimated to 7°C, exposure to pesticide enhanced CCO activity and CF and decreased MDA content, hemocyte number, CAT, and SOD activities. In clams kept at 18°C, pesticide effects appeared minor compared with samples kept at 7°C. In bivalves acclimated to 18°C, CCO, SOD, and ATCase activity and MDA content were enhanced, and hemocyte number, CAT, and AchE activities and phagocytosis were suppressed. In samples exposed to pesticides, increased temperature enhanced MDA content and CCO and SOD activity and suppressed hemocyte number and CAT and AchE activity. A gradual sexual maturation was observed in both sexes through experimental time, but females had a higher sensitivity to temperature and pesticides compared to males. Increased temperature altered the ability of the sentinel species Mya arenaria to respond to pesticide exposures. Further work is needed to understand the impacts of increasing temperature on the whole St. Lawrence estuary ecosystem.
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Affiliation(s)
- Luna Greco
- Università Cattolica del Sacro Cuore, Agricultural and Environmental Chemistry Institute, Piacenza, Italy.
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20
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Pellerin J, Amiard JC. Comparison of bioaccumulation of metals and induction of metallothioneins in two marine bivalves (Mytilus edulis and Mya arenaria). Comp Biochem Physiol C Toxicol Pharmacol 2009; 150:186-95. [PMID: 19409510 DOI: 10.1016/j.cbpc.2009.04.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2009] [Revised: 04/21/2009] [Accepted: 04/21/2009] [Indexed: 11/28/2022]
Abstract
The St. Lawrence maritime estuary (Quebec, Canada) is subjected to mixed inputs of pollutants and the study of the induction of metallothionein in species of economic and ecologic importance such as Mytilus edulis and Mya arenaria was pertinent to assess the consequences of pollution in this northern estuary. Bivalves from an area devoid of anthropogenic influences but characterized by background metal contamination (Franquelin) were actively transplanted within this location and in a site contaminated by urban, industrial and endogenous pollutants, Baie-Comeau (Baie-des-Anglais). Spatial differences in metal concentrations were shown between sites. Cu and Zn concentrations were higher in mussels from Baie-des-Anglais at the beginning of the transfer and after 1 and 2 months. In clams, Zn concentrations were significantly higher in gills and digestive gland tissues for organisms transplanted in Baie-des-Anglais thus showing that spatio-temporal variations of metal concentrations were different between the two species studied. Mussels and clams partitioning of metals were shown to be different depending of the species, metal and/or tissue studied. In mussels, Cd and Cu concentrations decreased in both organs and both groups after the 3-month transfer in the polluted site. In mussels, total metal and metallothionein (MT) concentrations were positively correlated in digestive gland while in clams a positive correlation was only observed in gills.
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Affiliation(s)
- Jocelyne Pellerin
- Institut des sciences de mer de Rimouski (ISMER), Université du Québec à Rimouski, Rimouski, Qc, Canada G5L 3A1.
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21
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Brooks S, Lyons B, Goodsir F, Bignell J, Thain J. Biomarker responses in mussels, an integrated approach to biological effects measurements. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2009; 72:196-208. [PMID: 19184734 DOI: 10.1080/15287390802539038] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Biological effects techniques have been used with the aim to further integrate biological effects measurements with chemical analysis and apply these methods to provide an assessment of mussel health status. Live native mussels were collected from selected coastal and estuarine sites around the British Isles, including the rivers Test, Thames, Tees, and Clyde, and Lunderston Bay. A suite of biological effects techniques was undertaken on these mussels, including whole organism responses (scope for growth), tissue responses (histopathology), and subcellular responses (lysosomal stability, multi-xenobiotic resistance [MXR], and Comet assay). In addition, whole mussel homogenates were used to measure organic (polycyclic aromatic hydrocarbons [PAH], polychlorinated biphenyls [PCB]) and metal concentrations. Overall the mussels collected from the Thames were in relatively poor health, based on histopathological markers, significantly higher DNA damage, and elevated expression of MXR detoxifying proteins. In contrast, the mussels collected from the River Test were in the best health, based on histopathological markers, respiration rate (SFG), and low frequency of DNA damage. In conclusion, the biological effects techniques were able to distinguish between relatively contaminated and clean environments, with the Thames mussels in worst health. Mussel tissue chemistry data were not able to explain the variations in biological response. Evidence indicates that the difference in the health of the mussels between the different sites was due to either effects of contaminants that were not measured, or the combined effects of mixture toxicity resulting in a threshold effect.
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Affiliation(s)
- Steven Brooks
- Norwegian Institute for Water Research (NIVA), Oslo, Norway.
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Gagné F, Burgeot T, Hellou J, St-Jean S, Farcy E, Blaise C. Spatial variations in biomarkers of Mytilus edulis mussels at four polluted regions spanning the Northern Hemisphere. ENVIRONMENTAL RESEARCH 2008; 107:201-217. [PMID: 18021761 DOI: 10.1016/j.envres.2007.09.013] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2007] [Revised: 08/23/2007] [Accepted: 09/24/2007] [Indexed: 05/25/2023]
Abstract
Economic and social developments have taken place at the expense of the health of the environment, both locally and on a global scale. In an attempt to better understand the large-scale effects of pollution and other stressors like climate change on the health status of Mytilus edulis, mussels were collected during the first two weeks of June 2005 at three sites (one pristine and two affected by pollution) located in each of the regions of the Canadian West Coast, the St. Lawrence estuary, the Atlantic East Coast and the northwestern coast of France, covering a total distance of some 11000km. The mussels were analyzed for morphologic integrity (condition factor), gametogenic activity (gonado-somatic and gonad maturation index, vitellogenin(Vtg)-like proteins), energy status (temperature-dependent mitochondrial electron transport activity and gonad lipid stores), defense mechanisms (glutathione S-transferase, metallothioneins, cytochrome P4503A activity and xanthine oxidoreductase-XOR), and tissue damage (lipid peroxidation-LPO and DNA strand breaks). The results showed that data from the reference sites in each region were usually not normally distributed, with discriminant factors reaching the number of regions (i.e. four), except for the biomarkers gonadal lipids, XOR and LPO in digestive gland. The integrated responses of the biomarkers revealed that biomarkers of stress were significantly more pronounced in mussels from the Seine estuary, suggesting that the impacts of pollution are more generalized in this area. Mussels from the Seine estuary and the Atlantic East Coast (Halifax Harbor) responded more strongly for Vtg-like proteins, but was not related to gonad maturation and gonado-somatic indexes, suggesting the presence of environmental estrogens. Moreover, these mussels displayed reduced DNA repair activity and increased LPO. Factorial analyses revealed that energy status, cytochrome P4503A activity and Vtg-like proteins were the most important biomarkers. Adaptation to warmer temperatures was reflected at the energy status levels, mussels from both the polluted and warmer sites displaying increased ratios of mitochondrial activity to lipid stores. Regional observations of biomarkers of energy status, gametogenesis and pollutant-related effects were influenced by nutrition, oxygen availability (eutrophication), and thermal history.
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Affiliation(s)
- F Gagné
- Fluvial Ecosystem Research, Environment Canada, 105 McGill Street, Montréal, Qué., Canada.
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Gagné F, Blaise C, Pellerin J, Fournier M, Durand MJ, Talbot A. Relationships between intertidal clam population and health status of the soft-shell clam Mya arenaria in the St. Lawrence Estuary and Saguenay Fjord (Québec, Canada). ENVIRONMENT INTERNATIONAL 2008; 34:30-43. [PMID: 17825412 DOI: 10.1016/j.envint.2007.06.010] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2007] [Revised: 06/20/2007] [Accepted: 06/21/2007] [Indexed: 05/17/2023]
Abstract
The purpose of this study was to examine the impacts of anthropogenic activity on the health status of intertidal clam populations of the Saguenay Fjord and the St. Lawrence Estuary (Québec, Canada). Clams were collected during low tide at sites subject to direct contamination and at sites far from human activity. Clams were analyzed for tributyltin and dibutyltin total levels and toxic stress (glutathione S-transferase, gonadal lipid peroxidation and DNA strand breaks), immunocompetence (phagocytic activity, hemocyte count and viability), reproduction (gonado-somatic index, gamete maturation, and vitellogenin-like proteins), energy status (temperature-dependent mitochondrial electron transport, and gonad lipids), and individual status (age, condition factor, and growth index). These responses were compared against population characteristics such as live clam density, number of empty shells, and sex ratio. The results show that clam density decreased with distance from the estuary (high salinity level) to upstream of the fjord (low salinity). There was no clear relationship between the number of empty shells and distance or site quality. Clam density values corrected against distance were significantly correlated with hemocyte viability, phagocytic activity, mitochondrial electron transport (MET), DNA damage in gonad, and temperature-dependent mitochondrial electron transport activity. A canonical analysis of the various groups of biomarkers revealed that population metrics were more strongly related with immunocompetence, followed by energy status and temperature-dependent mitochondrial electron transport activity. However, toxic stress biomarkers were strongly associated with energy status and reproduction. This was further confirmed by non-linear modeling using adaptive artificial neural networks (genetic selection and back propagation learning paradigms), where the following parameters were able to predict population parameters with <20% error: gonad maturation and somatic index, MET (at 4 degrees C), gonad LPO, DNA damage, and phagocytic capacity. Intertidal clam populations were influenced by a distance gradient effect (salinity), where immunocompetence, in addition to energy status, was the strongest physiological parameter related to clam population metrics.
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Affiliation(s)
- F Gagné
- Fluvial Ecosystems Research, Aquatic Ecosystems Research Protection Branch, Environment Canada, 105 McGill Street, Montréal, Québec, Canada H2Y 2E7.
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Schiedek D, Sundelin B, Readman JW, Macdonald RW. Interactions between climate change and contaminants. MARINE POLLUTION BULLETIN 2007; 54:1845-56. [PMID: 17963794 DOI: 10.1016/j.marpolbul.2007.09.020] [Citation(s) in RCA: 181] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2007] [Accepted: 09/04/2007] [Indexed: 05/07/2023]
Abstract
There is now general consensus that climate change is a global threat and a challenge for the 21st century. More and more information is available demonstrating how increased temperature may affect aquatic ecosystems and living resources or how increased water levels may impact coastal zones and their management. Many ecosystems are also affected by human releases of contaminants, for example from land based sources or the atmosphere, which also may cause severe effects. So far these two important stresses on ecosystems have mainly been discussed independently. The present paper is intended to increase awareness among scientists, coastal zone managers and decision makers that climate change will affect contaminant exposure and toxic effects and that both forms of stress will impact aquatic ecosystems and biota. Based on examples from different ecosystems, we discuss risks anticipated from contaminants in a rapidly changing environment and the research required to understand and predict how on-going and future climate change may alter risks from chemical pollution.
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Affiliation(s)
- Doris Schiedek
- Baltic Sea Research Institute Warnemünde, Seestrasse 15, 18119 Rostock, Germany.
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