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Legrand E, Bayless AL, Bearden DW, Casu F, Edwards M, Jacob A, Johnson WE, Schock TB. Untargeted Metabolomics Analyses and Contaminant Chemistry of Dreissenid Mussels at the Maumee River Area of Concern in the Great Lakes. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:19169-19179. [PMID: 38053340 DOI: 10.1021/acs.est.3c00812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/07/2023]
Abstract
Bivalves serve as an ideal ecological indicator; hence, their use by the NOAA Mussel Watch Program to monitor environmental health. This study aimed to expand the baseline knowledge of using metabolic end points in environmental monitoring by investigating the dreissenid mussel metabolome in the field. Dreissenids were caged at four locations along the Maumee River for 30 days. The mussel metabolome was measured using nuclear magnetic resonance spectroscopy, and mussel tissue chemical contaminants were analyzed using gas or liquid chromatography coupled with mass spectrometry. All Maumee River sites had a distinct mussel metabolome compared to the reference site and revealed changes in the energy metabolism and amino acids. Data also highlighted the importance of considering seasonality or handling effects on the metabolome at the time of sampling. The furthest upstream site presented a specific mussel tissue chemical signature of pesticides (atrazine and metolachlor), while a downstream site, located at Toledo's wastewater treatment plant, was characterized by polycyclic aromatic hydrocarbons and other organic contaminants. Further research into the dreissenid mussel's natural metabolic cycle and metabolic response to specific anthropogenic stressors is necessary before successful implementation of metabolomics in a biomonitoring program.
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Affiliation(s)
- Elena Legrand
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, South Carolina 29412, United States
| | - Amanda L Bayless
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, South Carolina 29412, United States
| | - Daniel W Bearden
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, South Carolina 29412, United States
| | - Fabio Casu
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, South Carolina 29412, United States
| | - Michael Edwards
- National Oceanic and Atmospheric Administration, National Centers for Coastal Ocean Science, 1305 East-West Highway, Silver Spring, Maryland 20910, United States
| | - Annie Jacob
- Consolidated Safety Services, 10301 Democracy Lane, Suite 300, Fairfax, Virginia 22030, United States
| | - W Edward Johnson
- National Oceanic and Atmospheric Administration, National Centers for Coastal Ocean Science, 1305 East-West Highway, Silver Spring, Maryland 20910, United States
| | - Tracey B Schock
- National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, South Carolina 29412, United States
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2
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Griffin RA, Glover CN, McCuaig JD, Blewett TA. Waterborne amino acids: uptake and functional roles in aquatic animals. J Exp Biol 2023; 226:jeb245375. [PMID: 37843468 DOI: 10.1242/jeb.245375] [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] [Indexed: 10/17/2023]
Abstract
Dissolved organic matter is a ubiquitous component of freshwater and marine environments, and includes small nutrient molecules, such as amino acids, which may be available for uptake by aquatic biota. Epithelial transporters, including cotransporters, uniporters and antiporters, facilitate the absorption of dissolved amino acids (often against concentration gradients). Although there is a lack of mechanistic and molecular characterization of such transporters, pathways for the direct uptake of amino acids from the water appear to exist in a wide range of marine phyla, including Porifera, Cnidaria, Platyhelminthes, Brachiopoda, Mollusca, Nemertea, Annelida, Echinodermata, Arthropoda and Chordata. In these animals, absorbed amino acids have several putative roles, including osmoregulation, hypoxia tolerance, shell formation and metabolism. Therefore, amino acids dissolved in the water may play an important, but overlooked, role in aquatic animal nutrition.
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Affiliation(s)
- Robert A Griffin
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada
| | - Chris N Glover
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada
- Faculty of Science and Technology and Athabasca River Basin Research Institute, Athabasca University, 1 University Drive, Athabasca, Alberta T9S 3A3, Canada
| | - Jenelle D McCuaig
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada
| | - Tamzin A Blewett
- Department of Biological Sciences, University of Alberta, 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada
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3
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Kılıç Ö, Belivermiş M, Sıkdokur E, Sezer N, Aksüt Y, Pekmez M, Kösesakal T, Gerçek YC. The combined effects of polyethylene microplastics and benzoanthracene on Manila clam Ruditapes philippinarum. CHEMOSPHERE 2023; 329:138664. [PMID: 37044146 DOI: 10.1016/j.chemosphere.2023.138664] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 03/19/2023] [Accepted: 04/09/2023] [Indexed: 05/03/2023]
Abstract
Microplastic (MP) toxicity has recently been explored in various marine species. Along with the toxicity of plastics polymer itself, additional substances or pollutants that are absorbed onto it may also be harmful. In the present study, we investigated the combined impacts of polyethylene microplastics (PE MPs) and an organic pollutant (Benzo(a)anthracene, BaA) on Manila clam Ruditapes philippinarum during a one-week exposure. Two PE MPs concentrations (26 μg L-1 and 260 μg L-1) and one BaA concentration (3 μg L-1) were tested. The clams were exposed to BaA and PE MPs either alone or in combination. BaA and PE MPs were incubated before the combined exposure. The biological effects of PE MPs and BaA on the clams were evaluated by considering several assays such as feeding rate, anti-oxidant enzyme activities, and the expression levels of stress-related genes. The feeding rate significantly decreased in individual PE MPs and individual BaA groups while it remained unchanged in combined groups. Superoxide dismutase (SOD) was the most affected among the biochemical parameters. Malondialdehyde (MDA), and glutathione peroxidase (GPx) activities were slightly affected, whereas no changes were observed in glutathione s-transferase (GST) activities. CYP1A1, CYP3A4, and HSP70 gene expressions displayed slightly significant changes. Considering all stressor groups, high PE MPs exposure (260 μg L-1 PE MPs) more effectively altered the biological parameters in the clams compared to individual low PE MPs and BaA exposure, and their combination. The results also indicated the negligible vector role of PE MPs to transport BaA into the clam tissues.
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Affiliation(s)
- Önder Kılıç
- Department of Biology, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Türkiye.
| | - Murat Belivermiş
- Department of Biology, Faculty of Science, Istanbul University, Vezneciler, 34134, Istanbul, Türkiye
| | - Ercan Sıkdokur
- Department of Molecular Biology and Genetics, Koç University, 34450, Istanbul, Türkiye
| | - Narin Sezer
- Head of Medical Services and Techniques Department, Medical Laboratory Techniques Program, Istanbul Arel University, 34295, Sefaköy, Istanbul, Türkiye
| | - Yunus Aksüt
- Institute of Graduate Studies in Sciences, Istanbul University, Suleymaniye, Istanbul, Türkiye
| | - Murat Pekmez
- Department of Molecular Biology and Genetics, Faculty of Science, Istanbul University, 34134, Vezneciler, Istanbul, Türkiye
| | - Taylan Kösesakal
- Botany Division, Department of Biology, Faculty of Science, Istanbul University, 34134, Istanbul, Türkiye
| | - Yusuf Can Gerçek
- Botany Division, Department of Biology, Faculty of Science, Istanbul University, 34134, Istanbul, Türkiye
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4
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Rodrigues JA, Silva M, Araújo R, Madureira L, Soares AMVM, Freitas R, Gil AM. The influence of temperature rise on the metabolic response of Ruditapes philippinarum clams to 17-α-ethinylestradiol. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 877:162898. [PMID: 36934939 DOI: 10.1016/j.scitotenv.2023.162898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2023] [Revised: 03/09/2023] [Accepted: 03/12/2023] [Indexed: 05/06/2023]
Abstract
Untargeted Nuclear Magnetic Resonance metabolomics was employed to study the effects of warming conditions (17-21 °C) and exposure to 17-α-ethinylestradiol (EE2) on the polar metabolome of Ruditapes philippinarum clams, to identify metabolic markers for monitoring/prediction of deviant environmental conditions. Warming alone triggered changes in alanine/aspartate/glutamate, aromatic amino acids, taurine/hypotaurine and homarine/trigonelline pathways, as well as in energy metabolism, suggesting osmoregulatory adaptations and glycolytic/tricarboxylic acid (TCA) cycle activation, possibly accompanied to some extent by gluconeogenesis to preserve glycogen reserves. At 17 °C, the lowest EE2 concentration (5 ng/L) specifically engaged branched-chain and aromatic amino acids to activate the glycolysis/TCA cycle. Notably, a partial metabolic recovery was observed at 25 ng/L, whereas higher EE2 concentrations (125 and 625 ng/L) again induced significant metabolic disturbances. These included enhanced glycogen biosynthesis and increased lipid reserves, sustained by low-level glutathione-based antioxidative mechanisms that seemed active. At 21 °C, response to EE2 was notably weak at low/intermediate concentrations, becoming particularly significant at the highest EE2 concentration (625 ng/L), suggesting higher protection capacity of Ruditapes philippinarum clams under warming conditions. At 625 ng/L, disturbances in alanine/aspartate/glutamate and taurine/hypotaurine metabolisms were observed, with no evidence of enhanced carbohydrate/protein catabolism. This low energy function profile was accompanied by marked antioxidative mechanisms and choline compounds modulation for cell membrane protection/repair. These results help monitor clams´ response to temperature rise and EE2 exposure, paving the way for future effective guidance and prediction of environmental damaging effects.
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Affiliation(s)
- João A Rodrigues
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Mónica Silva
- Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Rita Araújo
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Leonor Madureira
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Amadeu M V M Soares
- Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & Centre for Environmental and Marine Studies (CESAM), University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Ana M Gil
- CICECO - Aveiro Institute of Materials, Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal.
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James L, Gomez E, Ramirez G, Dumas T, Courant F. Liquid chromatography-mass spectrometry based metabolomics investigation of different tissues of Mytilus galloprovincialis. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY. PART D, GENOMICS & PROTEOMICS 2023; 45:101051. [PMID: 36527760 DOI: 10.1016/j.cbd.2022.101051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 11/24/2022] [Accepted: 12/04/2022] [Indexed: 12/13/2022]
Abstract
The Mediterranean mussel (Mytilus galloprovincialis) is widely used in monitoring programs and in ecotoxicological studies to examine the biological effects of physicochemical parameter changes and the impact of chemical pollutants. Metabolomics has recently demonstrated high potential to gain further insight into the molecular effects of chemical exposure and the success of its application is dependent on the extent of prior metabolomics knowledge available on the target organism. Therefore, the purpose of this study was the investigation of the metabolites of five different functional tissues of male and female Mediterranean mussels (digestive gland, foot, gill and gonad tissues and in the remaining soft tissues) accessible to the analysis using the most common sample preparation recommended for tissue analysis (i.e. Bligh & Dyer). Metabolic fingerprints were acquired via liquid chromatography high-resolution mass spectrometry and the identification was based on an internal database developed in the laboratory. It led to the identification of 110 metabolites, among which amino acids, carboxylic acids, purine and pyrimidine metabolites were often the most abundant. The metabolic contents of the five tissues quantitatively and qualitatively differed, with a clear distinction between male and female contents observed in the gonads and digestive glands. These results underline the importance of selecting the most suitable tissue and sex to study the impact of contamination on metabolism and the need for further research to deeper characterize the metabolome of this organism.
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Affiliation(s)
- Lea James
- HydroSciences Montpellier, University of Montpellier, IRD, CNRS, Montpellier, France
| | - Elena Gomez
- HydroSciences Montpellier, University of Montpellier, IRD, CNRS, Montpellier, France
| | - Gaelle Ramirez
- HydroSciences Montpellier, University of Montpellier, IRD, CNRS, Montpellier, France
| | - Thibaut Dumas
- HydroSciences Montpellier, University of Montpellier, IRD, CNRS, Montpellier, France
| | - Frédérique Courant
- HydroSciences Montpellier, University of Montpellier, IRD, CNRS, Montpellier, France.
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Belivermiş M, Kılıç Ö, Gezginci-Oktayoglu S, Sezer N, Demiralp S, Şahin B, Dupont S. Physiological and gene expression responses of the mussel Mytilus galloprovincialis to low pH and low dissolved oxygen. MARINE POLLUTION BULLETIN 2023; 187:114602. [PMID: 36652859 DOI: 10.1016/j.marpolbul.2023.114602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/06/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
The prevalence and frequency of hypoxia events have increased worldwide over the past decade as a consequence of global climate change and coastal biological oxygen depletions. On the other hand, anthropogenic emissions of CO2 and consequent accumulation in the sea surface result in a perturbation of the seawater carbonate system, including a decrease in pH, known as ocean acidification. While the effect of decreases in pH and dissolved oxygen (DO) concentration is better understood, their combined effects are still poorly resolved. Here, we exposed adult mussels (Mytilus galloprovincialis) to two pHs (8.27 and 7.63) and DO concentrations (7.65 and 2.75 mg L-1) over 17 days in a full-factorial design. These levels correspond to extremes of the present natural variability and are relevant in the context of ocean acidification and hypoxia. No mortality was observed during the experiment. However, sublethal effects were observed for clearance and oxygen consumption rates, as well as total haemocytes count and haemocytes viability and gene expression in mussels exposed to the combination of low pH and low DO. Respiration and excretion rates were not significantly impacted by low pH and DO, alone or in combination. Overall, low pH alone led to a decrease in all tested physiological parameters while low DO alone led to a decline in clearance rate, haemocyte parameters and an increase in carbohydrate content. Both parameters led to up- or down-regulation of most of the selected genes. Not surprisingly, the combined effect of low pH and low DO could not be predicted by a simple arithmetic additive response at the effect level, highlighting more complex and non-linear effects.
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Affiliation(s)
- Murat Belivermiş
- Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Türkiye.
| | - Önder Kılıç
- Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Türkiye
| | - Selda Gezginci-Oktayoglu
- Department of Biology, Faculty of Science, Istanbul University, 34134 Vezneciler, Istanbul, Türkiye
| | - Narin Sezer
- Head of Medical Services and Techniques Department, Medical Laboratory Techniques Program, Istanbul Arel University, 34295 Sefaköy, Istanbul, Türkiye
| | - Selcan Demiralp
- Institute of Graduate Studies in Sciences, Istanbul University, Suleymaniye, Istanbul, Türkiye
| | - Berna Şahin
- Institute of Graduate Studies in Sciences, Istanbul University, Suleymaniye, Istanbul, Türkiye
| | - Sam Dupont
- Department of Biological & Environmental Sciences, University of Gothenburg, 45178 Fiskebäckskil, Sweden; International Atomic Energy Agency, Environment Laboratories, 98000, Principality of Monaco, Monaco
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7
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Liu C, Wang R, Gao H, Wu X, Yin D. Transport of trace metals and their bioaccumulation in zooplankton from Changjiang (Yangtze River) to the East China Sea. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 851:158156. [PMID: 35988603 DOI: 10.1016/j.scitotenv.2022.158156] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/28/2022] [Accepted: 08/16/2022] [Indexed: 06/15/2023]
Abstract
The present study conducted a comprehensive field investigation on the transport and bioaccumulation of six trace metals (Cr, Cd, Pb, Mn, Ni, Cu) along a transect from Changjiang (Yangtze River) to the East China Sea continental shelf, which exhibited large variations in physiochemical properties (salinity, turbidity, pH, chlorophyll a, total nitrogen, dissolved oxygen, dissolved and particulate organic matter). From riverine sites to marine sites, dissolved Cr and Cd significantly increased, dissolved Pb and Mn showed less variations, while dissolved Cu and Ni showed complex spatial distribution patterns. Particulate trace metals (for Cr, Mn, Ni and Cu) were significantly negatively correlated with salinity. As a result, partition coefficients of trace metals (except Pb) were all significantly negatively correlated with salinity, indicating high salinity facilitated desorption/dissolution of metals from particulate phase. Additionally, the Changjiang derived particulate Pb, Mn, Ni and Cu sharply decreased (particularly for Mn) at the downstream of turbidity maximum zone, suggesting the efficient trapping of metals within this region. We further investigated the site-specific bioaccumulation of trace metals in size-fractionated zooplankton. Metal contents in macro-zooplankton were lower than micro- and meso-zooplankton owing to size-dependent zooplankton communities, while site-specific metal bioaccumulation mainly driven by site-specific zooplankton communities and salinity. The bioaccumulation factors of metals (Cr, Cd, Ni and Cu) were significantly negatively correlated with salinity, indicating high salinity hampered metal uptake which might attribute to competition of cations and formation of less bioavailable inorganic complexes with anions. Overall, high salinity generated two-sided effects (elevated dissolved metal concentrations Vs. reduced metal bioaccumulation) on metal contents in zooplankton (especially for Cr, Cd, Ni, and Cu), resulting in metal- and site-specific metal contents. We noticed relatively higher metal contents in zooplankton at hypoxia sites which could further transfer to predators in the East China Sea, and the underlying mechanisms still require future investigation.
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Affiliation(s)
- Chengying Liu
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China
| | - Rui Wang
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China.
| | - Hang Gao
- State Key Laboratory of Marine Geology, School of Ocean and Earth Science, Tongji University, Shanghai 200092, PR China
| | - Xinghua Wu
- China Three Gorges Corporation, Wuhan 430014, PR China
| | - Daqiang Yin
- Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, PR China
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8
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Jacob H, Besson M, Oberhaensli F, Taylor A, Gillet B, Hughes S, Melvin SD, Bustamante P, Swarzenski PW, Lecchini D, Metian M. A multifaceted assessment of the effects of polyethylene microplastics on juvenile gilthead seabreams (Sparus aurata). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 241:106004. [PMID: 34739976 DOI: 10.1016/j.aquatox.2021.106004] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 09/21/2021] [Accepted: 10/13/2021] [Indexed: 06/13/2023]
Abstract
Plastic pollution has become a major environmental and societal concern in the last decade. From larger debris to microplastics (MP), this pollution is ubiquitous and particularly affects aquatic ecosystems. MP can be directly or inadvertently ingested by organisms, transferred along the trophic chain, and sometimes translocated into tissues. However, the impacts of such MP exposure on organisms' biological functions are yet to be fully understood. Here, we used a multi-diagnostic approach at multiple levels of biological organization (from atoms to organisms) to determine how MP affect the biology of a marine fish, the gilthead seabream, Sparus aurata. We exposed juvenile seabreams for 35 days to spherical 10-20 µm polyethylene primary MP through food (Artemia salina pre-exposed to MP) at a concentration of 5 ± 1 µg of MP per gram of fish per day. MP-exposed fish experienced higher mortality, increased abundance of several brain and liver primary metabolites, hepatic and intestinal histological defects, higher assimilation of an essential element (Zn), and lower assimilation of a non-essential element (Ag). In contrast, growth and muscle C/N isotopic profiles were similar between control and MP-exposed fish, while variable patterns were observed for the intestinal microbiome. This comprehensive analysis of biological responses to MP exposure reveals how MP ingestion can cause negligible to profound effects in a fish species and contributes towards a better understanding of the causal mechanisms of its toxicity.
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Affiliation(s)
- Hugo Jacob
- PSL Research University, EPHE-UPVD-CNRS, USR 3278 CRIOBE BP 1013, Moorea, Papetoai 98729, French Polynesia
| | - Marc Besson
- School of Biological Sciences, University of Bristol, United Kingdom
| | - François Oberhaensli
- International Atomic Energy Agency - Environment Laboratories, 4a Quai Antoine 1er, Monaco, Principality of Monaco 98000, Monaco
| | - Angus Taylor
- International Atomic Energy Agency - Environment Laboratories, 4a Quai Antoine 1er, Monaco, Principality of Monaco 98000, Monaco
| | - Benjamin Gillet
- Institut de Génomique Fonctionnelle de Lyon, Université de Lyon, Université Claude Bernard Lyon 1, UMR CNRS 5242, Ecole Normale Supérieure, Lyon 69342, France
| | - Sandrine Hughes
- Institut de Génomique Fonctionnelle de Lyon, Université de Lyon, Université Claude Bernard Lyon 1, UMR CNRS 5242, Ecole Normale Supérieure, Lyon 69342, France
| | - Steven D Melvin
- Australian Rivers Institute, Griffith University Gold Coast, Building G51, Edmund Rice Drive,Q, Southport 4215, Australia
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS-La Rochelle Université, 2 rue Olympe de Gouges, La Rochelle 17000, France; Institut Universitaire de France (IUF), 1 rue Descartes, Paris 75005, France
| | - Peter W Swarzenski
- International Atomic Energy Agency - Environment Laboratories, 4a Quai Antoine 1er, Monaco, Principality of Monaco 98000, Monaco
| | - David Lecchini
- PSL Research University, EPHE-UPVD-CNRS, USR 3278 CRIOBE BP 1013, Moorea, Papetoai 98729, French Polynesia; Laboratoire d'Excellence "CORAIL", Moorea, Papetoai 98729, French Polynesia
| | - Marc Metian
- International Atomic Energy Agency - Environment Laboratories, 4a Quai Antoine 1er, Monaco, Principality of Monaco 98000, Monaco.
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Araújo DF, Ponzevera E, Briant N, Knoery J, Bruzac S, Sireau T, Pellouin-Grouhel A, Brach-Papa C. Differences in Copper Isotope Fractionation Between Mussels (Regulators) and Oysters (Hyperaccumulators): Insights from a Ten-Year Biomonitoring Study. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2021; 55:324-330. [PMID: 33306351 DOI: 10.1021/acs.est.0c04691] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Copper (Cu) isotope compositions in bivalve mollusks used in marine-monitoring networks is a promising tool to monitor anthropogenic Cu contamination in coastal and marine ecosystems. To test this new biomonitoring tool, we investigated Cu isotope variations of two bivalves-the oyster Crassostrea gigas and the mussel Mytilus edulis-over 10 years (2009-2018) in a French coastal site contaminated by diffuse Cu anthropogenic sources. Each species displayed temporal concentration profiles consistent with their bioaccumulation mechanisms, that is, the Cu-regulating mussels with almost constant Cu concentrations and the Cu-hyperaccumulating oysters with variable concentrations that track Cu bioavailability trends at the sampling site. The temporal isotope profiles were analogous for both bivalve species, and an overall shift toward positive δ65Cu values with the increase of Cu bioavailabilities was associated with anthropogenic Cu inputs. Interestingly, mussels showed wider amplitudes in the isotope variations than oysters, suggesting that each species incorporates Cu isotopes in their tissues at different rates, depending on their bioaccumulation mechanisms and physiological features. This study is the first to demonstrate the potential of Cu isotopes in bivalves to infer Cu bioavailability changes related to anthropogenic inputs of this metal into the marine environment.
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Affiliation(s)
- Daniel F Araújo
- Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Emmanuel Ponzevera
- Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Nicolas Briant
- Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Joël Knoery
- Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Sandrine Bruzac
- Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Teddy Sireau
- Laboratoire de Biogéochimie des Contaminants Métalliques, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Anne Pellouin-Grouhel
- Réseau d'Observation de la Contamination Chimique du littoral-ROCCH, Ifremer, Centre Atlantique, Nantes Cedex 3 F44311, France
| | - Christophe Brach-Papa
- Laboratoire Environnement Ressources Provence-Azur-Corse, Ifremer, Centre Méditerranée, Zone Portuaire de Brégaillon, La Seyne-sur-Mer Cedex CS20 330 83507, France
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10
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Ory P, Hamani V, Bodet PE, Murillo L, Graber M. The variegated scallop, Mimachlamys varia, undergoes alterations in several of its metabolic pathways under short-term zinc exposure. COMPARATIVE BIOCHEMISTRY AND PHYSIOLOGY D-GENOMICS & PROTEOMICS 2020; 37:100779. [PMID: 33360397 DOI: 10.1016/j.cbd.2020.100779] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2020] [Revised: 10/19/2020] [Accepted: 11/20/2020] [Indexed: 01/25/2023]
Abstract
The variegated scallop (Mimachlamys varia) is a filter feeder bivalve encountered in marine regions of the Atlantic coast. In particular, it is present in the La Rochelle marina (France), where it is used for the biomonitoring of marine pollution, due to its ability to strongly bioaccumulate pollutants. In this semi-closed environment, contamination generated by port activities leads to an accumulation of both organic and metal pollutants. Zinc is one of these pollutants, present at a dose of up to 150 μg.L-1. This study investigated the effects of 48 h zinc exposure upon the metabolic profiles of Mimachlamys varia using UHPLC/QToF (ultra-high performance liquid chromatography-quadrupole time-of-flight) tandem mass spectrometry metabolomics. After acclimation in mesocosms recreating in situ conditions, both controls and exposed with Zn2+ (150 μg.L-1) bivalves were dissected to recover the gills after 48 h and stored at -80 °C before metabolites extraction. UHPLC/QToF tandem mass spectrometry was performed to study metabolite composition of samples. Statistical analysis of results using multivariate techniques showed a good classification between control and exposed groups. Eleven identified metabolites were found to be down-modulated in exposed scallops. These variations could reflect potential zinc effects on several of the biological processes, such as energy metabolism, osmoregulation and defense against oxidative stress. Among the eleven metabolites highlighted, four were reported for the first time in an aquatic organism exposed to Zn. This study demonstrates once again the diversity of interactions between bivalves and metals and the complexity of the physiological response of marine bivalves to pollutants.
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Affiliation(s)
- P Ory
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France
| | - V Hamani
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France
| | - P-E Bodet
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France
| | - L Murillo
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France
| | - M Graber
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
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