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Kong L, Pan YJ, Hwang JS. Multigenerational effects of glyphosate-based herbicide and emamectin benzoate insecticide on the reproduction and gene expression of the copepod Pseudodiaptomus annandalei (Sewell, 1919). CHEMOSPHERE 2024; 361:142423. [PMID: 38830461 DOI: 10.1016/j.chemosphere.2024.142423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 04/23/2024] [Accepted: 05/22/2024] [Indexed: 06/05/2024]
Abstract
This study investigates the effects of glyphosate-based herbicide (GLY) and pure emamectin benzoate (EB) insecticide on the brackish copepod Pseudodiaptomus annandalei. The 96h median lethal concentration (96 h LC50) was higher in the GLY exposure (male: 3420.96 ± 394.67 μg/L; female: 3093.46 ± 240.67 μg/L) than in the EB (male: 79.10 ± 7.30 μg/L; female: 6.38 ± 0.72 μg/L). Based on the result of 96h LC50, we further examined the effects of GLY and EB exposures at sub-lethal concentrations on the naupliar production of P. annandalei. Subsequently, a multigenerational experiment was conducted to assess the long-term impact of GLY and EB at concentrations 375 μg/L, and 0.025 μg/L respectively determined by sub-lethal exposure testing. During four consecutive generations, population growth, clutch size, prosome length and width, and sex ratio were measured. The copepods exposed to GLY and EB showed lower population growth but higher clutch size than the control group in most generations. Gene expression analysis indicated that GLY and EB exposures resulted in the downregulation of reproduction-related (vitellogenin) and growth-related (myosin heavy chain) genes, whereas a stress-related gene (heat shock protein 70) was upregulated after multigenerational exposure. The results of the toxicity test after post-multigenerational exposure indicated that the long-term GLY-exposed P. annandalei displayed greater vulnerability towards GLY toxicity compared to newly-exposed individuals. Whereas, the tolerance of EB was significantly higher in the long-term exposed copepod than in newly-exposed individuals. This suggests that P. annandalei might have greater adaptability towards EB toxicity than towards GLY toxicity. This study reports for the first time the impacts of common pesticides on the copepod P. annandalei, which have implications for environmental risk assessment and contributes to a better understanding of copepod physiological responses towards pesticide contaminations.
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Affiliation(s)
- Lam Kong
- Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan
| | - Yen-Ju Pan
- Department of Aquaculture, National Taiwan Ocean University, Keelung, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
| | - Jiang-Shiou Hwang
- Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan.
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2
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Mayer PM, Moran KD, Miller EL, Brander SM, Harper S, Garcia-Jaramillo M, Carrasco-Navarro V, Ho KT, Burgess RM, Thornton Hampton LM, Granek EF, McCauley M, McIntyre JK, Kolodziej EP, Hu X, Williams AJ, Beckingham BA, Jackson ME, Sanders-Smith RD, Fender CL, King GA, Bollman M, Kaushal SS, Cunningham BE, Hutton SJ, Lang J, Goss HV, Siddiqui S, Sutton R, Lin D, Mendez M. Where the rubber meets the road: Emerging environmental impacts of tire wear particles and their chemical cocktails. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:171153. [PMID: 38460683 PMCID: PMC11214769 DOI: 10.1016/j.scitotenv.2024.171153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 02/18/2024] [Accepted: 02/19/2024] [Indexed: 03/11/2024]
Abstract
About 3 billion new tires are produced each year and about 800 million tires become waste annually. Global dependence upon tires produced from natural rubber and petroleum-based compounds represents a persistent and complex environmental problem with only partial and often-times, ineffective solutions. Tire emissions may be in the form of whole tires, tire particles, and chemical compounds, each of which is transported through various atmospheric, terrestrial, and aquatic routes in the natural and built environments. Production and use of tires generates multiple heavy metals, plastics, PAH's, and other compounds that can be toxic alone or as chemical cocktails. Used tires require storage space, are energy intensive to recycle, and generally have few post-wear uses that are not also potential sources of pollutants (e.g., crumb rubber, pavements, burning). Tire particles emitted during use are a major component of microplastics in urban runoff and a source of unique and highly potent toxic substances. Thus, tires represent a ubiquitous and complex pollutant that requires a comprehensive examination to develop effective management and remediation. We approach the issue of tire pollution holistically by examining the life cycle of tires across production, emissions, recycling, and disposal. In this paper, we synthesize recent research and data about the environmental and human health risks associated with the production, use, and disposal of tires and discuss gaps in our knowledge about fate and transport, as well as the toxicology of tire particles and chemical leachates. We examine potential management and remediation approaches for addressing exposure risks across the life cycle of tires. We consider tires as pollutants across three levels: tires in their whole state, as particulates, and as a mixture of chemical cocktails. Finally, we discuss information gaps in our understanding of tires as a pollutant and outline key questions to improve our knowledge and ability to manage and remediate tire pollution.
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Affiliation(s)
- Paul M Mayer
- US Environmental Protection Agency, Office of Research and Development, Center for Public Health and Environmental Assessment, Pacific Ecological Systems Division, Corvallis, OR 97333, United States of America.
| | - Kelly D Moran
- San Francisco Estuary Institute, 4911 Central Ave, Richmond, CA 94804, United States of America.
| | - Ezra L Miller
- San Francisco Estuary Institute, 4911 Central Ave, Richmond, CA 94804, United States of America.
| | - Susanne M Brander
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Corvallis, OR 97331, United States of America.
| | - Stacey Harper
- Department of Environmental and Molecular Toxicology, School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, OR 97333, United States of America.
| | - Manuel Garcia-Jaramillo
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, United States of America.
| | - Victor Carrasco-Navarro
- Department of Environmental and Biological Sciences, University of Eastern Finland, Kuopio Campus, Yliopistonranta 1 E, 70211 Kuopio, Finland.
| | - Kay T Ho
- US Environmental Protection Agency, ORD/CEMM Atlantic Coastal Environmental Sciences Division, Narragansett, RI 02882, United States of America.
| | - Robert M Burgess
- US Environmental Protection Agency, ORD/CEMM Atlantic Coastal Environmental Sciences Division, Narragansett, RI 02882, United States of America.
| | - Leah M Thornton Hampton
- Southern California Coastal Water Research Project, 3535 Harbor Blvd, Suite 110, Costa Mesa, CA 92626, United States of America.
| | - Elise F Granek
- Environmental Science & Management, Portland State University, Portland, OR 97201, United States of America.
| | - Margaret McCauley
- US Environmental Protection Agency, Region 10, Seattle, WA 98101, United States of America.
| | - Jenifer K McIntyre
- School of the Environment, Washington State University, Puyallup Research & Extension Center, Washington Stormwater Center, 2606 W Pioneer Ave, Puyallup, WA 98371, United States of America.
| | - Edward P Kolodziej
- Interdisciplinary Arts and Sciences (UW Tacoma), Civil and Environmental Engineering (UW Seattle), Center for Urban Waters, University of Washington, Tacoma, WA 98402, United States of America.
| | - Ximin Hu
- Civil and Environmental Engineering (UW Seattle), University of Washington, Seattle, WA 98195, United States of America.
| | - Antony J Williams
- US Environmental Protection Agency, Center for Computational Toxicology and Exposure, Chemical Characterization and Exposure Division, Computational Chemistry & Cheminformatics Branch, 109 T.W. Alexander Drive, Research Triangle Park, NC 27711, United States of America.
| | - Barbara A Beckingham
- Department of Geology & Environmental Geosciences, College of Charleston, Charleston, SC, 66 George Street Charleston, SC 29424, United States of America.
| | - Miranda E Jackson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, United States of America.
| | - Rhea D Sanders-Smith
- Washington State Department of Ecology, 300 Desmond Drive SE, Lacey, WA 98503, United States of America.
| | - Chloe L Fender
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97331, United States of America.
| | - George A King
- CSS, Inc., 200 SW 35th St, Corvallis, OR 97333, United States of America.
| | - Michael Bollman
- US Environmental Protection Agency, Office of Research and Development, Center for Public Health and Environmental Assessment, Pacific Ecological Systems Division, Corvallis, OR 97333, United States of America.
| | - Sujay S Kaushal
- Department of Geology and Earth System Science Interdisciplinary Center, University of Maryland, College Park, MD 20740, United States of America.
| | - Brittany E Cunningham
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR 97333, United States of America.
| | - Sara J Hutton
- GSI Environmental, Inc., Olympia, Washington 98502, USA.
| | - Jackelyn Lang
- Department of Anatomy, Physiology, and Cell Biology, Department of Medicine and Epidemiology and the Karen C. Drayer Wildlife Health Center, University of California, Davis School of Veterinary Medicine, Davis, CA 95616, United States of America.
| | - Heather V Goss
- US Environmental Protection Agency, Office of Water, Office of Wastewater Management, Washington, DC 20004, United States of America.
| | - Samreen Siddiqui
- Department of Fisheries, Wildlife, and Conservation Sciences, Coastal Oregon Marine Experiment Station, Oregon State University, Corvallis, OR 97331, United States of America.
| | - Rebecca Sutton
- San Francisco Estuary Institute, 4911 Central Ave, Richmond, CA 94804, United States of America.
| | - Diana Lin
- San Francisco Estuary Institute, 4911 Central Ave, Richmond, CA 94804, United States of America.
| | - Miguel Mendez
- San Francisco Estuary Institute, 4911 Central Ave, Richmond, CA 94804, United States of America.
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3
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Arcanjo C, Trémolet G, Duflot A, Giusti-Petrucciani N, Coulaud R, Xuereb B, Forget-Leray J, Boulangé-Lecomte C. The copepod Eurytemora affinis as a relevant species to assess estuarine sediment toxicity: Effects on gene expression and swimming behavior. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122482. [PMID: 37660773 DOI: 10.1016/j.envpol.2023.122482] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 08/17/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Compared to freshwater ecosystems, the health status of estuarine waters remains little studied despite their importance for many species. They represent a zone of interest for Human settlements that make them the final sink of pollution in both the water column and sediment. Once in sediments, pollutants could represent a threat to benthic as well as pelagic estuarine species through resuspension events. In the Seine estuary, the copepod Eurytemora affinis has been previously presented as a relevant species to assess resuspended sediment contamination through fitness-related effects at the individual level. The aim of the present study was to use E. affinis copepods to assess estuarine sediment-derived elutriates toxicity at environmental concentrations of particles using a molecular (i.e. transcriptomics) and a behavioral approach. Two sites along the Seine estuary were sampled. The analysis of sediments reveals that both sites have the same granulometric composition and close contamination profiles with the detection of PCBs, PAHs and pyrethroid insecticides. The transcriptomic analysis reveals that exposure to elutriates from both sites triggers the dysregulation of genes involved in biological function as defense response, immunity, ecdysone pathway or neurotoxicity with 66% and 36% of shared genes at the highest concentration for Tancarville and Fatouville. This analysis also reveals a higher count of dysregulated genes in the Fatouville site compared to the Tancarville (271 vs 148) despite their close contamination profile. These results emphasize the molecular approach sensitivity to assess environmental matrix toxicity with E. affinis. The analysis of the swimming behavior of E. affinis did not highlight significant effects after elutriate exposure. However, our strategy to assess E. affinis swimming behavior allows the discrimination of basal swimming behavior i.e. dark/light velocity changes and strong thigmotaxis behavior. Thus, it represents a promising standardized tool to assess copepods swimming behavior in ecotoxicological studies.
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Affiliation(s)
- Caroline Arcanjo
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Gauthier Trémolet
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Aurélie Duflot
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Nathalie Giusti-Petrucciani
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Romain Coulaud
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Benoit Xuereb
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Joëlle Forget-Leray
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France
| | - Céline Boulangé-Lecomte
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600, Le Havre, France.
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4
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Bournaka E, Almeda R, Koski M, Page TS, Mejlholm REA, Nielsen TG. Lethal effect of leachates from tyre wear particles on marine copepods. MARINE ENVIRONMENTAL RESEARCH 2023; 191:106163. [PMID: 37678098 DOI: 10.1016/j.marenvres.2023.106163] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2023] [Revised: 06/24/2023] [Accepted: 08/30/2023] [Indexed: 09/09/2023]
Abstract
With thousands of tons of Tyre Wear Particles (TWP) entering the aquatic environment every year, TWP are considered a major contributor to microplastic pollution. TWP leach organic compounds and metals in water, potentially affecting the marine food web. However, little is known about the toxicity of TWP leachates on marine copepods, a major food web constituent, and a key group to determine the environmental risk of pollution in marine ecosystems. In this study, we determined the lethal effect of TWP leachates on marine copepods after 24, 48, and 72-h of exposure to 0.05-100% leachate solutions prepared using a concentration of 5 g TWP L-1. The calanoids Acartia tonsa, Temora longicornis and Centropages hamatus, the cyclopoid Oithona davisae and the harpacticoid Amonardia normanni were used as experimental species. TWP leachates were toxic to all the studied species, with toxicity increasing as leachate solution and exposure time increased. Median lethal concentration (LC50, 72-h) ranged from 0.22 to 3.43 g L-1 and calanoid copepods were more sensitive to TWP leachates than the cyclopoid O. davisae and the harpacticoid A. normanni. Toxicity of TWP leachates was not related to the copepod body size, which suggests that other traits such as foraging behaviour or adaptation to contaminants could explain the higher tolerance of cyclopoid and harpacticoid to TWP leachates compared to calanoid copepods. Although field data on the concentration of TWP and their chemical additives are still limited, our results suggest that TWP leachates can negatively impact planktonic food webs in coastal areas after road runoff events.
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Affiliation(s)
- Evanthia Bournaka
- National Institute of Aquatic Resources-DTU Aqua, Kemitorvet, Building 202, DK-2800, Kgs. Lyngby, Denmark.
| | - Rodrigo Almeda
- EOMAR, IU-ECOAQUA, University of Las Palmas de Gran Canaria, Spain
| | - Marja Koski
- National Institute of Aquatic Resources-DTU Aqua, Kemitorvet, Building 202, DK-2800, Kgs. Lyngby, Denmark
| | - Thomas Suurlan Page
- National Institute of Aquatic Resources-DTU Aqua, Kemitorvet, Building 202, DK-2800, Kgs. Lyngby, Denmark
| | | | - Torkel Gissel Nielsen
- National Institute of Aquatic Resources-DTU Aqua, Kemitorvet, Building 202, DK-2800, Kgs. Lyngby, Denmark
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5
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Singaram P, Retnamma J, Cheruparambil R, Nagarathinam A, Loganathan J, Thangaraj JR, Radhakrishnan SS. Heavy metals concentration in zooplankton (copepods) in the western Bay of Bengal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:101565-101584. [PMID: 37653191 DOI: 10.1007/s11356-023-29112-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2023] [Accepted: 07/28/2023] [Indexed: 09/02/2023]
Abstract
Along the coastline, urbanisation and industrialization pose significant challenges to marine habitats and biodiversity. Most wastewater that reaches the marine environment contains toxic metals, which, as they are non-biodegradable, accumulate in the biota and enter the marine food chain. This study presents the concentration of nine heavy metals (Fe, Zn, Cu, Co, Cr, Mn, Ni, Pb, and Cd) in zooplankton (copepods) during the Spring Intermonsoon/Pre-Monsoon (April 2019) in the western Bay of Bengal (BoB). Higher Fe concentrations were found in copepods both nearshore (42,352 µg/g) and offshore (9835 µg/g). However, the relative amounts of heavy metals in copepods from 16 locations (eight nearshore and eight offshore) varied in the order of Fe > Zn > Cu > Co > Cr > Mn > Ni > Pb > Cd. The copepods in the nearshore locations had higher concentrations of heavy metals than those offshore. Compared to earlier data on heavy metals, particularly those that are physiologically non-essential and toxic, the current study demonstrates higher amounts of these metals in copepods in the inshore BoB [Ni (avg. 58.7 ± 5.5 µg/g), Pb (avg. 25.6 ± 4.7 µg/g), and Cd (avg. 16.4 ± 0.9 µg/g)]. Considering the strong East India Coastal Currents in the western BoB, trace metal-concentrated copepods could be transported too far along the Indian coastline from the current study area.
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Affiliation(s)
- Parthasarathi Singaram
- CSIR- National Institute of Oceanography, Regional Centre, Kochi, India
- Research Student, Bharathidasan University, Tiruchirappalli, India
| | | | - Rashid Cheruparambil
- CSIR- National Institute of Oceanography, Regional Centre, Kochi, India
- Research Student, Bharathidasan University, Tiruchirappalli, India
| | | | - Jagadeesan Loganathan
- CSIR- National Institute of Oceanography, Regional Centre, Kochi, India
- CSIR- National Institute of Oceanography, Regional Centre, Vishakhapatnam, India
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6
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Das S, Lizon F, Gevaert F, Bialais C, Duong G, Ouddane B, Souissi S. Assessing indicators of arsenic toxicity using variable fluorescence in a commercially valuable microalgae: Physiological and toxicological aspects. JOURNAL OF HAZARDOUS MATERIALS 2023; 452:131215. [PMID: 37001210 DOI: 10.1016/j.jhazmat.2023.131215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 02/17/2023] [Accepted: 03/13/2023] [Indexed: 05/03/2023]
Abstract
Indicators signaling Arsenic (As) stress through physiology of microalgae using non-destructive methods like variable fluorescence are rare but requisite. This study reports stress markers indicating arsenic (As) toxicity (in two concentrations 11.25 µg/L and 22.5 µg/L compared to a control) exposed to a microalga (Diacronema lutheri), using fast repetition rate fluorometry (FRRf). Growth and physiological parameters such as cell density, chl a and the maximum quantum yield Fv/Fm showed coherence and impeded after the exponential phase (day 9 - day 12) in As treatments compared to the control (p < 0.05). On contrary photo-physiological constants were elevated showing higher optical (aLHII) and functional [Sigma (σPSII)] absorption cross-section for the As treatments (p < 0.05) further implying the lack of biomass production yet an increase in light absorption. In addition, As exposure increased the energy dissipation by heat (NPQ-NSV) showing a strong relationship with the de-epoxidation ratio (DR) involving photoprotective pigments. Total As bioaccumulation by D. lutheri showed a strong affinity with Fe adsorption throughout the algal growth curve. This study suggests some prompt photo-physiological proxies signaling As contamination and endorsing its usefulness in risk assessments, given the high toxicity and ubiquitous presence of As in the ecosystem.
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Affiliation(s)
- Shagnika Das
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France; Amity Institute of Marine Science and Technology, Amity Institute of Biotechnology, Amity University, Noida, UP, India.
| | - Fabrice Lizon
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
| | - François Gevaert
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
| | - Capucine Bialais
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
| | - Gwendoline Duong
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
| | - Baghdad Ouddane
- Univ. Lille, CNRS, UMR 8516 - LASIRE - Equipe Physico-chimie de l'Environnement, Bâtiment C8, F-59000 Lille, France
| | - Sami Souissi
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
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Colin Y, Arcanjo C, Da Costa C, Vivant AL, Trémolet G, Giusti-Petrucciani N, Duflot A, Forget-Leray J, Berthe T, Boulangé-Lecomte C. Decoupled responses of the copepod Eurytemora affinis transcriptome and its microbiota to dissolved copper exposure. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 259:106546. [PMID: 37120957 DOI: 10.1016/j.aquatox.2023.106546] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/15/2023]
Abstract
Chemical contamination is a common threat to biota thriving in estuarine and coastal ecosystems. Of particular importance is that trace metals tend to accumulate and exert deleterious effects on small invertebrates such as zooplankton, which are essential trophic links between phytoplankton and higher-level consumers in aquatic food webs. Beyond the direct effects of the contamination, we hypothesized that metal exposure could also affect the zooplankton microbiota, which in turn might further impair host fitness. To assess this assumption, copepods (Eurytemora affinis) were sampled in the oligo-mesohaline zone of the Seine estuary and exposed to dissolved copper (25 µg.L-1) over a 72-hour time period. The copepod response to copper treatment was assessed by determining transcriptomic changes in E. affinis and the alteration of its microbiota. Unexpectedly, very few genes were differentially expressed in the copper-treated copepods compared to the controls for both male and female samples, while a clear dichotomy between sex was highlighted with 80% of the genes showing sex-biased expression. In contrast, copper increased the taxonomic diversity of the microbiota and resulted in substantial compositional changes at both the phyla and genus levels. Phylogenetic reconstruction of the microbiota further suggested that copper mitigated the phylogenetic relatedness of taxa at the basal tree structure of the phylogeny, whereas it strengthened it at the terminal branches. Increased terminal phylogenetic clustering in the copper-treated copepods coincided with higher proportions of bacterial genera previously identified as copper resistant (e.g., Pseudomonas, Acinetobacter, Alkanindiges, Colwellia) and a higher relative abundance of the copAox gene encoding a periplasmic inducible multi-copper oxidase. The enrichment in micro-organisms likely to perform copper sequestration and/or enzymatic transformation processes, underlines the need to consider the microbial component during evaluation of the vulnerability of zooplankton to metallic stress.
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Affiliation(s)
- Yannick Colin
- Univ Rouen Normandie, UNICAEN, CNRS, M2C UMR 6143, F-76000 Rouen, France; Sorbonne Université, CNRS, EPHE, UMR METIS, F-75005, Paris, France.
| | - Caroline Arcanjo
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600 Le Havre, France
| | - Claire Da Costa
- Univ Rouen Normandie, UNICAEN, CNRS, M2C UMR 6143, F-76000 Rouen, France
| | - Anne-Laure Vivant
- Univ Rouen Normandie, UNICAEN, CNRS, M2C UMR 6143, F-76000 Rouen, France
| | - Gauthier Trémolet
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600 Le Havre, France
| | - Nathalie Giusti-Petrucciani
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600 Le Havre, France
| | - Aurélie Duflot
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600 Le Havre, France
| | - Joëlle Forget-Leray
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600 Le Havre, France
| | - Thierry Berthe
- Univ Rouen Normandie, UNICAEN, CNRS, M2C UMR 6143, F-76000 Rouen, France; Sorbonne Université, CNRS, EPHE, UMR METIS, F-75005, Paris, France
| | - Céline Boulangé-Lecomte
- Université Le Havre Normandie, Normandie Univ, FR CNRS 3730 SCALE, UMR-I 02 SEBIO, Le Havre, F-76600 Le Havre, France
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8
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Li Y, Mu D, Wu HQ, Liu HJ, Wang YH, Ma GC, Duan XM, Zhou JJ, Zhang CM, Lu XH, Liu XH, Sun J, Ji ZY. Derivation of copper water quality criteria in Bohai Bay for the protection of local aquatic life and the ecological risk assessment. MARINE POLLUTION BULLETIN 2023; 190:114863. [PMID: 36989599 DOI: 10.1016/j.marpolbul.2023.114863] [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: 02/01/2023] [Revised: 03/14/2023] [Accepted: 03/20/2023] [Indexed: 06/19/2023]
Abstract
Developing effective marine water quality criteria (WQC) is crucial for controlling marine contamination and protecting marine life. The WQC for copper is urgently needed due to the toxicity and widespread of copper contamination. In this work, both short-term water quality criteria (SWQC) and long-term water quality criteria (LWQC) under 10 % effect endpoints were derived by using the model averaging of species sensitivity distribution (SSD10) method for Bohai Bay. The WQC values were obtained directly from the hazardous concentration for 5 % of species (HC5) values, which removes the influence of arbitrary assessment factor (AF). Modifications to the acute-chronic ratio (ACR) strategies and the inclusion of the test toxicity data of local species also improved the accuracy and applicability of the WQC values. The derived SWQC and LWQC were 2.21 and 0.45 μg/L, respectively. Furthermore, the overall risk level of copper in Bohai Bay was evaluated by using the risk quotient (RQ) method, and the results showed it was at a moderate-low level. This study provides a new approach for the derivation of the WQC for Cu and the risk assessment of Bohai Bay, which is essential for the protection of local aquatic life and provides guidance to the establishment of the national WQC.
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Affiliation(s)
- Yang Li
- Engineering Research Center of Seawater Utilization Technology of Ministry of Education, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China
| | - Di Mu
- Engineering Research Center of Seawater Utilization Technology of Ministry of Education, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China.
| | - Hong-Qing Wu
- Engineering Research Center of Seawater Utilization Technology of Ministry of Education, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China.
| | - Hai-Jiao Liu
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tianjin Key Laboratory of Marine Resources and Chemistry, Tianjin University of Science and Technology, Tianjin 300457, China
| | - Yong-Hui Wang
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tangshan Ruihui Aquaculture Co. LTD, Tangshan 063604, China
| | - Guo-Chen Ma
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tangshan Fishery Comprehensive Administrative Law Enforcement Detachment, Tangshan 063210, China
| | - Xue-Min Duan
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tangshan Fishery Comprehensive Administrative Law Enforcement Detachment, Tangshan 063210, China
| | - Jian-Jun Zhou
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tangshan Fishery Comprehensive Administrative Law Enforcement Detachment, Tangshan 063210, China
| | - Chun-Ming Zhang
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tangshan Fishery Comprehensive Administrative Law Enforcement Detachment, Tangshan 063210, China
| | - Xing-Hua Lu
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; Tangshan Aquatic Technology Extension Station, Tangshan 063004, China
| | - Xian-Hua Liu
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; School of Environmental Science and Engineering, Tianjin University, Tianjin 300354, China
| | - Jun Sun
- Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China; State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences (Wuhan), Wuhan 430074, China
| | - Zhi-Yong Ji
- Engineering Research Center of Seawater Utilization Technology of Ministry of Education, School of Chemical Engineering and Technology, Hebei University of Technology, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, Tianjin 300130, China.
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9
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Das S, Souissi A, Ouddane B, Hwang JS, Souissi S. Trace metals exposure in three different coastal compartments show specific morphological and reproductive traits across generations in a sentinel copepod. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 859:160378. [PMID: 36414068 DOI: 10.1016/j.scitotenv.2022.160378] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 11/03/2022] [Accepted: 11/17/2022] [Indexed: 06/16/2023]
Abstract
The effect of exposure from several compartments of the environment at the level of individuals was rarely investigated. This study reports the effect of contaminants from varied compartments like sediment resuspension, elutriation from resuspended sediment (extract) and seawater spiked trace metal mixtures (TM) on morphological and reproductive traits of the pelagic bioindicator copepod Eurytemora affinis. At the population level of E. affinis, lowest survival was observed in dissolved exposures (TM and extract) in the first generation (G1), showing some adaptation in the second generation (G2). An opposite trend for resuspended sediment showed higher sensitivity in survival at G2. At the individual level, prosome length and volume proved to be sensitive parameters for resuspended sediments, whereas clutch size and egg diameter were more sensitive to TM and extract. Although the generation of decontamination (G3, no exposure), showed a significant recovery at the population level (survival % along with clutch size) of E. affinis exposed to resuspended sediment, morphological characteristics like prosome length and volume showed no such recovery (lower than control, p < 0.05). To the contrary, dissolved exposure showed no significant recovery from G1 to G3 on neither survival %, clutch size, egg diameter, prosome volume, but an increase of prosome length (p < 0.05). Such tradeoffs in combatting the stress from varied sources of toxicity were observed in all exposures, from G1 to G3. The number of lipid droplets inside the body cavity of E. affinis showed a significant positive correlation with trace metal bioaccumulation (p < 0.01) along with a negative correlation (p < 0.05) with survival and clutch size in each treatment. This confirms the inability of copepods to utilize lipids under stressful conditions. Our study tenders certain morphological and reproductive markers that show specificity to different compartments of exposure, promising an advantage in risk assessment and fish feed studies.
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Affiliation(s)
- Shagnika Das
- Laboratoire d'Océanologie et de Géosciences, Université de Lille, CNRS, Université Littoral Côte d'Opale, UMR 8187, F 59000 Lille, France.
| | - Anissa Souissi
- Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan
| | - Baghdad Ouddane
- Univ. Lille, CNRS, UMR 8516 - LASIRE, Equipe Physico-Chimie de l'Environnement, Bâtiment C8, 59655 Villeneuve d'Ascq Cedex, France
| | - Jiang-Shiou Hwang
- Institute of Marine Biology, National Taiwan Ocean University, Keelung, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, Taiwan; Center of Excellence for Ocean Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Sami Souissi
- Laboratoire d'Océanologie et de Géosciences, Université de Lille, CNRS, Université Littoral Côte d'Opale, UMR 8187, F 59000 Lille, France
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10
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Shi W, Guo H, Wang J, Han X, Cai W. Adverse Effects of Co-Exposure to Cd and Microplastic in Tigriopus japonicus. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:13215. [PMID: 36293796 PMCID: PMC9603085 DOI: 10.3390/ijerph192013215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/22/2022] [Accepted: 09/24/2022] [Indexed: 06/16/2023]
Abstract
There is increasing concern about the adverse impact of exposure to microplastic, as an emerging pollutant, on wild organisms, and particularly on organisms co-exposed to microplastic and other environmental contaminants. It has been widely reported that the combination of microplastics and heavy metals showed obvious toxicity to organisms in terms their growth and development. The present study was performed to determine the impact of binary metal mixtures of cadmium (Cd) and polystyrene microplastic (PS-microplastic) on Tigriopus japonicus, a typical marine model organism, using a titration design. Increasing concentrations of PS-microplastic (2 μg/L, 20 μg/L, and 200 μg/L) were titrated against a constant concentration of Cd (15.2 μg/L). The results showed no significant impact of exposure to this dose of Cd or co-exposure to Cd and the lowest dose of PS-microplastic examined (2 μg/L). However, the feeding rate, filtration rate, oxygen consumption rate, and hatching number declined significantly in T. japonicus co-exposed to Cd and higher concentrations of PS-microplastic (20 μg/L and 200 μg/L) (p < 0.05). Furthermore, the development of F1 larvae from nauplius stage (N) to adult stage (A) was markedly delayed when co-exposed to Cd and higher doses of PS-microplastic (20 and 200 μg/L), and the effects persisted to the F2 larval stage. Interestingly, the present titration design did not affect the sex ratio or number of oocysts in either the F1 or F2 generation. These results indicated that the current marine environmental concentrations of Cd and microplastic are safe for wild organisms. Further studies are required to address the knowledge gap regarding toxicological effects at the cellular and molecular levels.
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Affiliation(s)
- Wenzhuo Shi
- Technical Center for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China
- School of Envirment, Beijing Normal Univeristy, Beijing 100875, China
| | - Hao Guo
- Technical Center for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China
| | - Junqiang Wang
- Technical Center for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China
| | - Xuemeng Han
- Technical Center for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China
| | - Wenqian Cai
- Technical Center for Soil, Agriculture and Rural Ecology and Environment, Ministry of Ecology and Environment, Beijing 100012, China
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11
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Das S, Ouddane B, Souissi S. Responses of the copepod Eurytemora affinis to trace metal exposure: A candidate for sentinel to marine sediment resuspension effects. MARINE POLLUTION BULLETIN 2022; 181:113854. [PMID: 35772260 DOI: 10.1016/j.marpolbul.2022.113854] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 05/01/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
Our study reports the ability of Eurytemora affinis to indicate certain responses in 96 h when exposed to resuspended sediment from a polluted site (PS, Seine estuary, France), less polluted site (LPS, Canche estuary, France) and dissolved trace metals. Mortality from dissolved trace metal was highest (57.5 %) followed by PS (38.59 %) > LPS (24.04 %). The exposure to PS sediment resulted in significantly lower no. of early larval stage (nauplii < 2), sex-ratio (39.24 % of males) and higher ovigerous female (>10). Eurytemora affinis bioaccumulated high concentrations of copper (27.3 mg/kg), nickel (12.8 mg/kg), lead (21.8 mg/kg) and arsenic (13.7 mg/kg) from PS exposure with significantly lower bioaccumulation of metals from LPS. The bioconcentration factor (BCF) was highest from dissolved toxicity (>2000) followed by PS that showed significantly higher BCF for Nickel and Copper, compared to LPS. The responses of E. affinis to different matrices exemplify its role as a sentinel.
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Affiliation(s)
- Shagnika Das
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187-LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
| | - Baghdad Ouddane
- Univ. Lille, CNRS, UMR 8516-LASIRE - Equipe Physico-chimie de l'Environnement, Bâtiment C8, F-59000 Lille, France
| | - Sami Souissi
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187-LOG - Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France.
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12
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Sensitivity of Ostracods to U, Cd and Cu: The Case of Cypridopsis vidua. TOXICS 2022; 10:toxics10070349. [PMID: 35878254 PMCID: PMC9320312 DOI: 10.3390/toxics10070349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/17/2022] [Accepted: 06/22/2022] [Indexed: 02/01/2023]
Abstract
The development of uranium mines has been necessary to obtain abundant and scarce uranium resources, but they also bring inevitable radioactive contamination to the surrounding soil, rivers and lakes. This paper explores the sensitivity of Cypridopsis vidua to the radioactive element uranium and the heavy elements cadmium and copper with single and combined acute toxicity experiments and combined toxicity model predictions. The results from the single toxicity experiments showed that the degree of toxic effects was cadmium > copper > uranium. The combined toxicity experiments showed that the compound toxicity of U-Cd and U-Cu was higher than the weakest component and lower than the strongest component, whereas the compound toxicity of Cd-Cu was higher than either of its components. When the overall proportion of a more toxic metal was increased, its mixed toxicity also increased, and vice versa. Combined toxicity predictions showed that the U-Cd combination was best described by the concentration additive (CA) model, the independent action (IA) model was more applicable to the Cd-Cu combination, and the most applicable model for the U-Cu combination changed depending on the concentration gradient. The acute toxicity data from this study provide a reference for the development of wastewater discharge standards for uranium mines, enriches the data related to the toxicity of uranium for ostracods and deepens the understanding of the threat of uranium pollution to aquatic ecosystems.
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13
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Das S, Gevaert F, Ouddane B, Duong G, Souissi S. Single toxicity of arsenic and combined trace metal exposure to a microalga of ecological and commercial interest: Diacronema lutheri. CHEMOSPHERE 2022; 291:132949. [PMID: 34798102 DOI: 10.1016/j.chemosphere.2021.132949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 11/14/2021] [Accepted: 11/15/2021] [Indexed: 06/13/2023]
Abstract
Eco-toxicological assays with species of economic interest such as Diacronema lutheri are essential for industries that produce aquaculture feed, natural food additives and also in drug developing industries. Our study involved the exposure of a single and combined toxicity of arsenic (As V) to D. lutheri for the entire algal growth phase and highlighted that a combined exposure of As V with other essential (Copper, Cu; Nickel, Ni) and non-essential (Cadmium, Cd; Lead, Pb) trace metals reduced significantly the cell number, chlorophyll a content, and also significantly increased the de-epoxidation ratio (DR) as a stress response when compared to the single toxicity of As V. Arsenic, as one of the ubiquitous trace metal and an active industrial effluent is reported to have an increased bio-concentration factor when in mixture with other trace metals in this study. In the combined exposure, the concentration of total As bio-accumulated by D. lutheri was higher than in the single exposure. Hence, polluted areas with the prevalence of multiple contaminants along with the highly toxic trace metals like As can impose a greater risk to the exposed organisms that may get further bio-magnified in the food chain. Our study highlights the consequences and the response of D. lutheri in terms of contamination from single and multiple trace metals in order to obtain a safer biomass production for the growing need of natural derivatives.
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Affiliation(s)
- Shagnika Das
- Univ. Lille, CNRS, Univ. Littoral Côte D'Opale, IRD, UMR 8187 - LOG - Laboratoire D'Océanologie et de Géosciences, Station Marine de Wimereux, F-59000, Lille, France; Univ. Lille, CNRS, UMR 8516 - LASIRE - Equipe Physico-chimie de L'Environnement, Bâtiment C8, F-59000, Lille, France
| | - François Gevaert
- Univ. Lille, CNRS, Univ. Littoral Côte D'Opale, IRD, UMR 8187 - LOG - Laboratoire D'Océanologie et de Géosciences, Station Marine de Wimereux, F-59000, Lille, France
| | - Baghdad Ouddane
- Univ. Lille, CNRS, UMR 8516 - LASIRE - Equipe Physico-chimie de L'Environnement, Bâtiment C8, F-59000, Lille, France
| | - Gwendoline Duong
- Univ. Lille, CNRS, Univ. Littoral Côte D'Opale, IRD, UMR 8187 - LOG - Laboratoire D'Océanologie et de Géosciences, Station Marine de Wimereux, F-59000, Lille, France
| | - Sami Souissi
- Univ. Lille, CNRS, Univ. Littoral Côte D'Opale, IRD, UMR 8187 - LOG - Laboratoire D'Océanologie et de Géosciences, Station Marine de Wimereux, F-59000, Lille, France.
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14
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Marques JA, Costa SR, Maraschi AC, Vieira CED, Costa PG, de Martinez Gaspar Martins C, Santos HF, Souza MM, Sandrini JZ, Bianchini A. Biochemical response and metals bioaccumulation in planktonic communities from marine areas impacted by the Fundão mine dam rupture (southeast Brazil). THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 806:150727. [PMID: 34610403 DOI: 10.1016/j.scitotenv.2021.150727] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 09/11/2021] [Accepted: 09/28/2021] [Indexed: 06/13/2023]
Abstract
The rupture of the Fundão dam (Mariana, MG, southeast Brazil) released a huge flood of mine tailings to Doce river basin and its adjacent coastal area, in November 2015. This catastrophic event exposed aquatic communities to metal contamination related to mine tailings, but its biological effects are still poorly understood. This study investigates how biochemical response related to metal exposure vary between locations and seasons during the years of 2018-2020, in planktonic communities (micro and mesoplankton). Marine microplankton collected in sectors in front and south of the Doce river mouth presented the highest lipid peroxidation (LPO) and induction of metallothioneins (MT). Mesoplankton collected in sectors in front and north of the Doce river mouth presented highest LPO, while MT in this size class did not respond to a clear spatial pattern. Our results showed that metals affected biomarkers in a non-linear pattern and highlighted the complex relationship between metals, biochemical parameters, and seasonality. The variation in biochemical biomarkers indicates physiological stress related to metals, once sectors contaminated by metals, especially Fe, Mn and Cd, presented stronger biochemical responses. Comparison of metal levels with bioaccumulation data collected before the impact indicates Fe, Cd, Cr and Cu more than 2-fold higher after disaster in sectors closer to the river. Literature showed that these sectors present zooplanktonic assemblages with lower biomass and biodiversity, suggesting that the opportunistic species that thrives in the area are also under biochemical stress, but possibly relies on repair or defense mechanisms. The physiological stress detected by this study is possibly related to the mine tailings, considering the metals that stood out and the proximity with the Doce river mouth. This suggests that the impacts related to the failure of Fundão dam are still affecting the marine planktonic community even three to four years after the environmental disaster.
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Affiliation(s)
- Joseane A Marques
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil.
| | - Simone R Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Anieli C Maraschi
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Carlos E D Vieira
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Patricia G Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Camila de Martinez Gaspar Martins
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Henrique Fragoso Santos
- Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil; Departamento de Biologia Marinha, Universidade Federal Fluminense (UFF), Niterói, RJ, Brazil
| | - Marta M Souza
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Juliana Z Sandrini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália, s/n, Carreiros, Rio Grande, RS, Brazil; Fundação Espírito-santense de Tecnologia - FEST. Av. Fernando Ferrari, 845 - Goiabeiras, Vitória, ES, Brazil
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15
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Kadiene EU, Ouddane B, Gong HY, Hwang JS, Souissi S. Multigenerational study of life history traits, bioaccumulation, and molecular responses of Pseudodiaptomus annandalei to cadmium. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 230:113171. [PMID: 34999339 DOI: 10.1016/j.ecoenv.2022.113171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 12/28/2021] [Accepted: 01/03/2022] [Indexed: 06/14/2023]
Abstract
Metal pollution provide a substantial challenge for environmental health. This study investigated the multigeneration effects of cadmium on populations of the copepod species Pseudodiaptomus annandalei, exposed to a sublethal concentration, 40 µg/L of cadmium (Cd), over 10 generations. At the end of each generation, copepod individuals were collected to estimate fecundity, bioaccumulation, and real time qPCR quantification of selected differentially expressed genes to evaluate Cd effects and sex-specific responses of copepods across multiple generations. Our results revealed a sex-specific accumulation of Cd integrating 10 successive generations. The concentration of Cd was significantly higher (p < 0.05) in males than in females. We also observed a generational increase in Cd accumulation. Fecundity increased, with the exception of the first generation, possibly as a compensation for a decrease of copepod population size under Cd exposure. Protein expression of copepods exposed to Cd occurred in a sex-specific manner. Hemerythrin was mostly up-regulated in both copepod sexes exposed to Cd with males having the highest expression levels, while heat shock protein 70 was mostly up-regulated in males and down-regulated in female copepods, both exposed to Cd. Although copepods are known to develop adaptive mechanisms to tolerate toxic chemicals, continuous exposure to metals could lead to the bioaccumulation of metals in their offspring through maternal transfer and direct uptake from the medium over several generations. As a consequence, increased metal concentrations in copepods could result in physiological damage, reducing their fitness, and possibly compromise copepod population structures. This study showed that mortality, life history traits and molecular responses of a copepod species provided important toxicological endpoints and bio-markers for environmental risk assessments. Environmental pressure resulting from continuous exposure to persistent pollutants like Cd, could have evolutionary significance. The tendency for copepods to selectively adapt to a toxic environment through modifications, could increase their chance of survival over a long term.
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Affiliation(s)
- Esther U Kadiene
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station Marine de Wimereux, F-59000 Lille, France; Institute of Marine Biology, National Taiwan Ocean University, 20224 Keelung, Taiwan
| | - Baghdad Ouddane
- Université de Lille, Equipe Physico-Chimie de l'Environnement, Laboratoire LASIR UMR CNRS 8516, 59655 Villeneuve d'Ascq Cedex, France
| | - Hong-Yi Gong
- Department of Aquaculture, National Taiwan Ocean University, Keelung 20224, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan
| | - Jiang-Shiou Hwang
- Institute of Marine Biology, National Taiwan Ocean University, 20224 Keelung, Taiwan; Center of Excellence for Ocean Engineering, National Taiwan Ocean University, Keelung 20224, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung 20224, Taiwan.
| | - Sami Souissi
- Univ. Lille, CNRS, Univ. Littoral Côte d'Opale, IRD, UMR 8187 - LOG - Laboratoire d'Océanologie et de Géosciences, Station Marine de Wimereux, F-59000 Lille, France.
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16
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Arcanjo C, Trémolet G, Giusti-Petrucciani N, Duflot A, Forget-Leray J, Boulangé-Lecomte C. Susceptibility of the Non-Targeted Crustacean Eurytemora affinis to the Endocrine Disruptor Tebufenozide: A Transcriptomic Approach. Genes (Basel) 2021; 12:genes12101484. [PMID: 34680879 PMCID: PMC8536038 DOI: 10.3390/genes12101484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Revised: 09/19/2021] [Accepted: 09/20/2021] [Indexed: 12/13/2022] Open
Abstract
Copepods are zooplanktonic crustaceans ubiquitously widespread in aquatic systems. Although they are not the target, copepods are exposed to a wide variety of pollutants such as insect growth regulators (IGRs). The aim of this study was to investigate the molecular response of a non-targeted organism, the copepod Eurytemora affinis, to an IGR. Adult males and females were exposed to two sub-lethal concentrations of tebufenozide (TEB). Our results indicate a sex-specific response with a higher sensitivity in males, potentially due to a differential activation of stress response pathways. In both sexes, exposure to TEB triggered similar pathways to those found in targeted species by modulating the transcription of early and late ecdysone responsive genes. Among them were genes involved in cuticle metabolism, muscle contraction, neurotransmission, and gametogenesis, whose mis-regulation could lead to moult, locomotor, and reproductive impairments. Furthermore, genes involved in epigenetic processes were found in both sexes, which highlights the potential impact of exposure to TEB on future generations. This work allows identification of (i) potential biomarkers of ecdysone agonists and (ii) further assessment of putative physiological responses to characterize the effects of TEB at higher biological levels. The present study reinforces the suitability of using E. affinis as an ecotoxicological model.
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Stone S, McKnight K, Legendre L, Koppel DJ, Binet MT, Simpson SL, Jolley DF. The effects of pulse exposures of metal toxicants on different life stages of the tropical copepod Acartia sinjiensis. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 285:117212. [PMID: 33933874 DOI: 10.1016/j.envpol.2021.117212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 03/30/2021] [Accepted: 04/19/2021] [Indexed: 06/12/2023]
Abstract
Effluent discharges can potentially result in high concentrations of metals entering aquatic environments for short durations, ranging from a few hours to days. The environmental risks of such exposures are challenging to accurately assess. Risk assessment tools for effluent discharges include comparison of toxicant concentrations with guideline values and the use of direct toxicity assessments, both of which were designed to assess continuous, rather than pulse, contaminant exposures. In this study, a chronic pulse-exposure toxicity test was developed using the tropical euryhaline calanoid copepod Acartia sinjiensis. This copepod has a rapid life cycle and is highly sensitive to metal contaminants, with 50% effect concentrations (chronic EC50) for larval development of 1.7, 8.6 and 0.7 μg L-1 for copper, nickel and zinc, respectively. The toxicities of copper and nickel were assessed as a continuous exposure (78 h) and as pulses (3, 6 and 18 h) initiated at varying life stages, from egg to copepodite, and measured larval development over 78 h. Generally, 24-h old nauplii were more sensitive or of similar sensitivity to copper and nickel pulses than 48-h old nauplii. The 78-h test duration enabled observations of chronic effects following pulse exposures, which frequently occurred in the absence of acute effects. The EC50 values for pulse exposures were higher than those of continuous exposure by up to approximately 16-fold and 15-fold for copper and nickel, respectively. When metal-pulse exposure concentrations were expressed using the time-weighted averaged concentration (TAC), resultant concentration response curves were similar to those in continuous exposures to the same metal, suggesting that thresholds based on continuous exposures were also protective for pulse exposures to these metals. This research improves our understanding of the toxicity of pulse contaminant exposures and assists with developing improved approaches to for the risk assessment and regulation of short-term contaminant discharges.
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Affiliation(s)
- Sarah Stone
- Centre for Environmental Contaminants Research, CSIRO Land and Water, Lucas Heights, NSW, Australia; School of Earth, Atmosphere and Life Sciences, University of Wollongong, Wollongong, NSW, Australia; University of Technology Sydney, NSW, Australia.
| | - Kitty McKnight
- Centre for Environmental Contaminants Research, CSIRO Land and Water, Lucas Heights, NSW, Australia
| | | | | | - Monique T Binet
- Centre for Environmental Contaminants Research, CSIRO Land and Water, Lucas Heights, NSW, Australia
| | - Stuart L Simpson
- Centre for Environmental Contaminants Research, CSIRO Land and Water, Lucas Heights, NSW, Australia
| | - Dianne F Jolley
- Centre for Environmental Contaminants Research, CSIRO Land and Water, Lucas Heights, NSW, Australia
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Promotion of the Development of Sentinel Species in the Water Column: Example Using Body Size and Fecundity of the Egg-Bearing Calanoid Copepod Eurytemora affinis. WATER 2021. [DOI: 10.3390/w13111442] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The development of sentinel species in aquatic ecosystems is mostly based on benthic organisms; however, organisms living in water column such as zooplankton have received less attention, except for some cladocerans. In this paper, a new ecological indicator based on simple measurements of the size and fecundity of egg-bearing calanoid copepods is developed. The well-studied estuarine copepod Eurytemora affinis is used to illustrate this new framework. A large database obtained from laboratory experiments developed under different conditions is used to define a reference regression line between clutch size (CS) and prosome length (PL). The same database allowed one to confirm that the coefficient of variation (CV) of CS is an adequate estimator of the accumulated stress at population level. The CV of PL shows very little variability in all experimental and field conditions. The values of CS and PL obtained from the Seine, Loire, Gironde, Scheldt and Elbe estuaries in Europe are compared to the reference regression line. A quality index (QI) is calculated as a percentage of difference between the observed and the predicted CS. The QI classified 19 samples collected in the Seine estuary between 2004 and 2010 into four classes according to the physiological condition of the copepod female. A single sampling from June 2004 (5.26%) showed a very good condition, whereas 57.9% of the sampling dates confirmed good conditions. On the other hand, four sampling dates were associated to very bad conditions and three sampling dates indicated bad conditions. Seven additional samples obtained from other European estuaries between 2006 and 2009 were also used. Females showing poor conditions were observed in the early spring of 2005 and 2008 as well as during the month of November. These years were characterized by very strong climatic anomalies with a very cold late winter in 2005 and a warm winter in 2008. Therefore, it seems that the QI perfectly reflected the strong stress caused by the sudden change in hydro-climatic conditions that have certainly affected the physiology of copepod females and probably the availability of food. The new indicator is very simple to calculate and can be generalised to several aquatic ecosystems (fresh water and brackish water) by targeting the dominating egg-bearing calanoid copepods. As in the case of E. affinis, the development of sentinel species based on copepods or cladocerans can enrich ecological and ecotoxicological studies given their capacity to integrate the variability of their habitats’ quality at the individual and population levels.
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Choi BS, Kim DH, Kim MS, Park JC, Lee YH, Kim HJ, Jeong CB, Hagiwara A, Souissi S, Lee JS. The genome of the European estuarine calanoid copepod Eurytemora affinis: Potential use in molecular ecotoxicology. MARINE POLLUTION BULLETIN 2021; 166:112190. [PMID: 33711609 DOI: 10.1016/j.marpolbul.2021.112190] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/02/2021] [Accepted: 02/15/2021] [Indexed: 06/12/2023]
Abstract
In this study, we sequenced and assembled the genome of a European estuarine calanoid copepod using Oxford Nanopore PromethION and Illumina HiSeq 2500 platforms. The length of the assembled genome was 776.1 Mb with N50 = 474.9 kb (BUSCO 85.9%), and the genome consisted of 2473 contigs. A total of 18,014 genes were annotated and orthologous gene clusters were analyzed in comparison to other copepods. In addition, genome-wide identification of cytochrome P450s, glutathione S-transferases, and ATP-binding cassette transporters in E. affinis was performed to determine gene repertoire of these detoxification-related gene families. Results revealed the presence of species-specific gene inventories, indicating that these gene families have evolved through species-specific gene loss/expansion processes, possibly due to adaptation to different environmental stressors. Our study provides a new inventory of the European estuarine calanoid copepod E. affinis genome with emphasis on phase I, II, and III detoxification systems.
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Affiliation(s)
| | - Duck-Hyun Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Min-Sub Kim
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Jun Chul Park
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Young Hwan Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea
| | - Hee-Jin Kim
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan
| | - Chang-Bum Jeong
- Department of Marine Science, College of Nature Science, Incheon National University, Incheon 22012, South Korea
| | - Atsushi Hagiwara
- Graduate School of Fisheries and Environmental Sciences, Nagasaki University, Nagasaki 852-8521, Japan; Organization for Marine Science and Technology, Nagasaki University, Nagasaki 852-8521, Japan
| | - Sami Souissi
- Université de Lille, CNRS, Université du Littoral Côte d'Opale, UMR 8187 LOG, Laboratoire d'Océanologie et de Géosciences, Station marine de Wimereux, F-59000 Lille, France
| | - Jae-Seong Lee
- Department of Biological Sciences, College of Science, Sungkyunkwan University, Suwon 16419, South Korea.
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Das S, Ouddane B, Hwang JS, Souissi S. Intergenerational effects of resuspended sediment and trace metal mixtures on life cycle traits of a pelagic copepod. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115460. [PMID: 32892010 DOI: 10.1016/j.envpol.2020.115460] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 08/15/2020] [Accepted: 08/17/2020] [Indexed: 06/11/2023]
Abstract
Multiple stressors like metal toxicity, organic compounds and sediment pollution from the Seine estuary are raising concern and novel toxicological approaches are needed to better assess and monitor the risk. In the present study, the copepod Eurytemora affinis from the Seine, was exposed to two different sources of contaminants, which were resuspended polluted sediments and a mixture of trace metals (dissolved phase). The exposure continued for four generations (F0, F1, F2, F3) where F0 is a generation for acclimation to the exposure condition and F3 is a generation for decontamination followed without any exposure, to detect possible maternal carryover effects of pollutants (F0 - F2) and the role of recovery (in F3). Higher accumulation of metals resulted in higher mortalities at both exposure conditions, with particularly F1 being the most sensitive generation showing highest bioaccumulation of metals, highest mortality, and smallest population size. Copper accumulation was highest of all metals in mixture from both the resuspended sediment and the combined trace metal treatment. A significantly lower naupliar production was seen in copepods exposed to resuspended sediment compared to trace metal exposed copepods. However, the decontamination phase (F3) indicated that E. affinis pre-exposed to resuspended sediment had a higher ability to recover the total population size, increase naupliar production, and depurate accumulated Cu. The population exposed to a trace metal mixture showed lower recovery and lower ability to discharge accumulated toxic metals indicating its greater effect on our experimental model when compared to resuspended sediment.
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Affiliation(s)
- Shagnika Das
- Univ. Lille, CNRS, Univ, Littoral Côte D'Opale, UMR 8187, LOG - Laboratoire D'Océanologie et de Géosciences, F- 59000, Lille, France; Université de Lille, LASIRE (UMR CNRS 8516), Equipe Physico-chimie de L'Environnement, Bâtiment C8, 59655, Villeneuve D'Ascq Cedex, France
| | - Baghdad Ouddane
- Université de Lille, LASIRE (UMR CNRS 8516), Equipe Physico-chimie de L'Environnement, Bâtiment C8, 59655, Villeneuve D'Ascq Cedex, France
| | - Jiang-Shiou Hwang
- Institute of Marine Biology, National Taiwan Ocean University, Keelung, 20224, Taiwan; Center of Excellence for Ocean Engineering, National Taiwan Ocean University, Keelung, 20224, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan
| | - Sami Souissi
- Univ. Lille, CNRS, Univ, Littoral Côte D'Opale, UMR 8187, LOG - Laboratoire D'Océanologie et de Géosciences, F- 59000, Lille, France.
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Dayras P, Bialais C, Ouddane B, Lee JS, Souissi S. Effects of different routes of exposure to metals on bioaccumulation and population growth of the cyclopoid copepod Paracyclopina nana. CHEMOSPHERE 2020; 248:125926. [PMID: 32006827 DOI: 10.1016/j.chemosphere.2020.125926] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 01/11/2020] [Accepted: 01/13/2020] [Indexed: 06/10/2023]
Abstract
We examined effects of the three metals cadmium (Cd), copper (Cu), and nickel (Ni) on two subpopulations of the cyclopoid copepod Paracyclopina nana. We sought to investigate the effects of metal exposure on population growth and structure of P. nana and to understand the parameters affecting the metal bioaccumulation in copepods. A first experiment tested the hypothesis of competition between these metals in a mixture using a P. nana mass culture in 10 L beakers with the sublethal concentrations (1/3 of LC50) as determined for E. affinis. A second experiment pursued the same with a P. nana population which was adapted to a higher Cu concentration for several generations (226.9 ± 15.9 μg g-1 dw Cu in copepods) and using the proper sublethal concentrations for P. nana. After 96 h of exposure, results from the first experiment showed a decreasing population growth and instead of an increasing metal accumulation in copepods. Cd also appeared to be more accumulated when it was alone, confirming the hypothesis of metal competition in mixture. Results from the second experiment revealed less marked effects. When metal concentrations increased in the treatment it decreased in copepods, indicating depuration activity in the population already adapted to metal exposure. This paper is the first one investigating the parameters affecting the bioaccumulation capacity of P. nana in response to metals. It offers a better understanding of copepod responses to metal contamination in a complex aquatic environment.
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Affiliation(s)
- Paul Dayras
- Université de Lille, CNRS, Université du Littoral Côte d'Opale, UMR 8187 LOG, Laboratoire d'Océanologie et de Géosciences, F-62930, Wimereux, France.
| | - Capucine Bialais
- Université de Lille, CNRS, Université du Littoral Côte d'Opale, UMR 8187 LOG, Laboratoire d'Océanologie et de Géosciences, F-62930, Wimereux, France.
| | - Baghdad Ouddane
- Université de Lille, UMR CNRS 8516, Laboratoire LASIR, Equipe Physico-Chimie de l'Environnement, F-59655, Villeneuve d'Ascq Cedex, France.
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon, 16419, South Korea.
| | - Sami Souissi
- Université de Lille, CNRS, Université du Littoral Côte d'Opale, UMR 8187 LOG, Laboratoire d'Océanologie et de Géosciences, F-62930, Wimereux, France.
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Kadiene EU, Meng PJ, Hwang JS, Souissi S. Acute and chronic toxicity of cadmium on the copepod Pseudodiaptomus annandalei: A life history traits approach. CHEMOSPHERE 2019; 233:396-404. [PMID: 31176903 DOI: 10.1016/j.chemosphere.2019.05.220] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/21/2019] [Revised: 05/23/2019] [Accepted: 05/24/2019] [Indexed: 06/09/2023]
Abstract
We determined the effect of acute and chronic toxicity of cadmium (Cd) on Pseudodiaptomus annandalei, according to their developmental and reproductive stages. Firstly, to estimate the 50% lethal concentration (LC50), acute exposure of nauplii and copepodids to 20, 40, 80, 150, and 300 μg/L of Cd was tested, and the effects of 5 μg/L and 40 μg/L of Cd on copepod developmental rate was done. Female lifespan and number of nauplii produced were compared. Secondly, one generation of copepod was exposed to dissolved (WCd) and dietary (DCd) Cd, and sex-specific Cd uptake and population density were estimated. 96 h LC50 was 40 μg/L Cd for nauplii and 120 μg/L Cd for copepodids. Duration of copepod development was 3.5 days and 5.5 days longer than the control when exposed to 5 μg/L and 40 μg/L of Cd, respectively. Female lifespan in both treatments were 9 and 8 days shorter than in the control, respectively. Total number of nauplii produced per female lifespan was 440 (control), 450 (5 μg/L Cd), and 365 (40 μg/L Cd). Cd uptake in copepods increased from nauplii to adults when exposed to dietary Cd and decreased when exposed to dissolved Cd. Dietary uptake of Cd was significantly higher in males than in females and Cd uptake from water was higher in males than in females, but not statistically significant. The total population of copepods were significantly affected by Cd. The toxic effects of Cd in copepods appear to depend on developmental stage, sex, duration and uptake route.
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Affiliation(s)
- Esther U Kadiene
- Université de Lille, CNRS, Univ. Littoral Côte d'Opale, UMR 8187, LOG, Laboratoire d'Océanologie et de Géosciences, 62930, Wimereux, France; Institute of Marine Biology, National Taiwan Ocean University, 20224, Keelung, Taiwan
| | - Pei-Jie Meng
- Institute of Marine Biology, National Dong Hwa University, Pingtung, Taiwan; National Museum of Marine Biology & Aquarium, Pingtung, Taiwan
| | - Jiang-Shiou Hwang
- Institute of Marine Biology, National Taiwan Ocean University, 20224, Keelung, Taiwan; Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan.
| | - Sami Souissi
- Université de Lille, CNRS, Univ. Littoral Côte d'Opale, UMR 8187, LOG, Laboratoire d'Océanologie et de Géosciences, 62930, Wimereux, France.
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23
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Choi BS, Han J, Hwang DS, Souissi S, Hagiwara A, Lee JS. Complete mitochondrial genome of the calanoid copepod Eurytemora affinis (Calanoida, Temoridae). MITOCHONDRIAL DNA PART B-RESOURCES 2019; 4:2731-2733. [PMID: 33365704 PMCID: PMC7706584 DOI: 10.1080/23802359.2019.1644558] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The complete mitochondrial genome was sequenced from the calanoid copepod Eurytemora affinis. The sequenced total genome size was 18,553 bp. The mitochondrial genome of E. affinis has 13 protein-coding genes (PCGs), two rRNAs, and 22 tRNAs. Of 13 PCGs, ND1, ND5, and ATP6 genes had incomplete stop codons TA–, T—, and TA–, respectively. Furthermore, the stop codons of the remaining eleven PCGs were TAG or TAA while the start codon of 13 PCGs was ATG (Cytb, ATP8, ATP6, and CO3 genes), ATT (CO1, ND2, ND3, ND4L, ND5, and ND6 genes), and ATA (ND1, ND4, and CO2 genes), respectively. The ratio of A + T and G + C nucleotides of 13 PCGs of E. affinis mitogenome showed 63.9% and 36.1%, respectively while those ratio of the entire sequences were 65.5% and 34.5%, respectively.
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Affiliation(s)
| | - Jeonghoon Han
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon, South Korea
| | - Dae-Sik Hwang
- Research Institute of Environmental Health and Safety, Bucheon, South Korea
| | - Sami Souissi
- CNRS, University of Lille, Lille, France.,Laboratoire d'Oceanologie et de Geosciences, Université du Littoral Côte d'Opale, Wimereux, France
| | - Atsushi Hagiwara
- Institute of Integrated Science and Technology, Nagasaki University, Nagasaki, Japan.,Organization for Marine Science and Technology, Nagasaki University, Nagasaki, Japan
| | - Jae-Seong Lee
- Department of Biological Science, College of Science, Sungkyunkwan University, Suwon, South Korea
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Kadiene EU, Ouddane B, Hwang JS, Souissi S. Bioaccumulation of metals in calanoid copepods by oral intake. Sci Rep 2019; 9:9492. [PMID: 31263169 PMCID: PMC6603195 DOI: 10.1038/s41598-019-45987-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 06/20/2019] [Indexed: 01/19/2023] Open
Abstract
We demonstrated that oral intake of water by two calanoid copepods, Pseudodiaptomus annandalei and Eurytemora affinis takes place and has implications for their ecotoxicology. In the first experiment, copepods were exposed to a dyed medium, which allowed us to visually examine the possibility of water uptake by the copepod. We observed that both copepod species were taking in water orally and evacuated dye at different speeds. This exposure left concentrated dye in the guts of the copepods indicating adsorption into the gut epithelium. This was further demonstrated by exposing both copepod species independently to dissolved metals (Cd,17 µg/L; Cu,13.8 µg/L; Ni, 29.3 µg/L) and to dietary metals (Cd,18.8 µg/g; Cu, 35.3 µg/g; Ni, 32.5 µg/g). The results showed that although the concentration of dissolved metals they were exposed to were lower than those of the dietary metals, nevertheless, uptake of metals by both copepod species from the dissolved phase alone was substantially higher than from dietary exposure. This provides clear evidence to support our hypothesis that higher metal body burden observed in copepods exposed to dissolved metals than in those exposed to dietary metals is an implication of oral intake of water. P. annandalei showed higher excretion rate of metals when exposed to dissolved metals than E. affinis. However, the excretion rate of metals from both copepod species exposed to dietary metal was similar. We conclude here that both copepod species take in water orally. Our study further showed that metal uptake depends on the exposure routes and the uptake and excretion rates are dependent on the type of metals, amounts and the species.
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Affiliation(s)
- Esther U Kadiene
- Université de Lille, CNRS, Univ. Littoral Côte d'Opale, UMR 8187, LOG, Laboratoire d'Océanologie et de Géosciences, 62930, Wimereux, France
- Institute of Marine Biology, National Taiwan Ocean University, 20224, Keelung, Taiwan
| | - Baghdad Ouddane
- Université de Lille, LASIR-UMR CNRS 8516, Equipe Physico-Chimie de l'Environnement, Bat. C8, 59655, Villeneuve d'Ascq, France
| | - Jiang-Shiou Hwang
- Institute of Marine Biology, National Taiwan Ocean University, 20224, Keelung, Taiwan.
- Center of Excellence for the Oceans, National Taiwan Ocean University, Keelung, 20224, Taiwan.
| | - Sami Souissi
- Université de Lille, CNRS, Univ. Littoral Côte d'Opale, UMR 8187, LOG, Laboratoire d'Océanologie et de Géosciences, 62930, Wimereux, France.
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