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Jaouani R, Roman C, Decaix J, Lagarde F, Châtel A. Effect of aging of microplastics on gene expression levels of the marine mussel Mytilus edulis: Comparison in vitro/in vivo exposures. MARINE POLLUTION BULLETIN 2023; 189:114767. [PMID: 36870134 DOI: 10.1016/j.marpolbul.2023.114767] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/20/2022] [Revised: 02/16/2023] [Accepted: 02/19/2023] [Indexed: 06/18/2023]
Abstract
In the present study, effects of aging MPs of polyethylene (PE) were investigated in the marine mussel Mytilus edulis, commonly used as bioindicator of aquatic ecosystem, using both in vitro and in vivo exposures, using concentrations found in marine waters (0.008, 10 and 100 μg.L-1). Changes in gene expression levels implicated in detoxification, immune system, cytoskeletton and cell cycle control were evaluated by quantitative RT-qPCR. Results demonstrated differential expression levels depending upon the state of plastic degradation (aged vs non-aged) and way of exposure (vitro vs vivo). This study highlighted the interest of using molecular biomarkers based on analysis of gene expression pattern in an ecotoxicological context that gives indication of relative slight changes between tested conditions as compared to other biochemical approaches (e.g. enzymatic activities). In addition, in vitro analysis could be used to generate large amount of data as regards to the toxicological effects of MPs.
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Affiliation(s)
- Rihab Jaouani
- Biology of Organisms Stress Health Environment (BIOSSE), Université Catholique de l'Ouest, Angers, France; Institut des Molécules et des Matériaux du Mans, UMR CNRS 6283, Le Mans Université, Avenue Olivier Messiaen, 72085 Le Mans Cedex, France
| | - Coraline Roman
- Biology of Organisms Stress Health Environment (BIOSSE), Université Catholique de l'Ouest, Angers, France
| | - Justine Decaix
- Biology of Organisms Stress Health Environment (BIOSSE), Université Catholique de l'Ouest, Angers, France
| | - Fabienne Lagarde
- Institut des Molécules et des Matériaux du Mans, UMR CNRS 6283, Le Mans Université, Avenue Olivier Messiaen, 72085 Le Mans Cedex, France
| | - Amélie Châtel
- Biology of Organisms Stress Health Environment (BIOSSE), Université Catholique de l'Ouest, Angers, France.
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2
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Nowosad J, Sieszputowska J, Kucharczyk D, Łuczyńska J, Sikora M, Kujawa R. Dynamics of mercury content in adult sichel (Pelecus cultratus L.) tissues from the Baltic Sea before and during spawning. MARINE ENVIRONMENTAL RESEARCH 2019; 148:75-80. [PMID: 31103850 DOI: 10.1016/j.marenvres.2019.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 05/11/2019] [Accepted: 05/13/2019] [Indexed: 06/09/2023]
Abstract
This study compares the content of mercury in the muscles, liver, kidneys, gonads and gills of male and female individuals of sichel (Pelecus cultratus). Moreover, the trend of changes of mercury concentration before (March) and during (May) the spawning season was examined. Sichel brooders were caught in the Vistula Lagoon during commercial fishing. The mercury content in tissues was determined by atomic absorption using a Milestone DMA-80. The tests revealed a statistically higher mercury concentration in muscles, liver and gonads in male vs. female fish. Moreover, significantly higher mercury concentration was found in male and female fish caught during the spawning season (May) than in those caught before this season (March). Moreover, testes (0.011 ± 0.007 mg kg-1 w/w) were found to contain 12 times, and ovaries (0.004 ± 0.001 mg kg-1 w/w) - approx. 19 times less mercury than the muscular tissue of those same fish. This may suggest the existence of a protective barrier, defending future offspring against the transfer of toxic mercury from the parent body to gonads and gametes.
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Affiliation(s)
- Joanna Nowosad
- Department of Lake and River Fisheries, University of Warmia and Mazury, Olsztyn, Poland
| | - Justyna Sieszputowska
- Department of Lake and River Fisheries, University of Warmia and Mazury, Olsztyn, Poland
| | - Dariusz Kucharczyk
- Department of Lake and River Fisheries, University of Warmia and Mazury, Olsztyn, Poland.
| | - Joanna Łuczyńska
- Department of Commodity Science and Food Analysis, University of Warmia and Mazury, Olsztyn, Poland
| | - Mateusz Sikora
- Department of Lake and River Fisheries, University of Warmia and Mazury, Olsztyn, Poland
| | - Roman Kujawa
- Department of Lake and River Fisheries, University of Warmia and Mazury, Olsztyn, Poland
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Patey G, Couillard CM, Pierron F, Baudrimont M, Couture P. Biotransformation, antioxidant and histopathological biomarker responses to contaminants in European and American yellow eels from the Gironde and St. Lawrence estuaries. CHEMOSPHERE 2017; 188:292-303. [PMID: 28888117 DOI: 10.1016/j.chemosphere.2017.08.139] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Revised: 08/06/2017] [Accepted: 08/27/2017] [Indexed: 06/07/2023]
Abstract
Since the early 1980s, populations of American (Anguilla rostrata) and European eels (Anguilla anguilla) have suffered a sharp decline. The causes of their decline are likely multifactorial and include chemical pollution. A field study was conducted in eight sites varying in organic and metal contamination along the St. Lawrence (Eastern Canada) and Gironde (France) systems to investigate the relationships among contaminants, biological characteristics and biotransformation, antioxidant and histopathological biomarkers in eels from both species. For A. rostrata, no major influences of persistent organic contaminants on biomarkers were identified. For A. anguilla, eels from the most contaminated site expressed higher surface of MelanoMacrophage Centers (MMCs) and eels from another contaminated site expressed higher amount of spleen lipofuscin pigment. These two histopathological biomarkers were also associated with aging. Compared to eels from the cleanest French site, higher hepatic catalase activity and density of MMC in eels from contaminated sites was related to higher concentration of organic (DDT and metabolites, sum of PCBs, sum of PBDEs) and inorganic (Hg and Cd) contaminants. In both species, a higher deposition of spleen hemosiderin pigment was measured in eels from the most brackish sites compared to eels living in freshwater environments. Our results suggest an association between higher hemosiderin pigment and metal contamination (As for A. anguilla and Pb for A. rostrata). Parasitism by A. crassus was observed in European eels from freshwater sites but not in eels from brackish habitats. Overall, contamination may pose a greater risk for the health of European compared to American eels.
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Affiliation(s)
- Géraldine Patey
- Institut National De La Recherche Scientifique (INRS), Centre Eau Terre Environnement, 490 De La Couronne, Québec, Québec, G1K 9A9, Canada; Fisheries and Oceans Canada, Maurice Lamontagne Institute, 850 Route de la Mer, Mont-Joli (Québec), G5H 3Z4, Québec, Canada.
| | - Catherine M Couillard
- Fisheries and Oceans Canada, Maurice Lamontagne Institute, 850 Route de la Mer, Mont-Joli (Québec), G5H 3Z4, Québec, Canada.
| | | | | | - Patrice Couture
- Institut National De La Recherche Scientifique (INRS), Centre Eau Terre Environnement, 490 De La Couronne, Québec, Québec, G1K 9A9, Canada.
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Baillon L, Pierron F, Pannetier P, Normandeau E, Couture P, Labadie P, Budzinski H, Lambert P, Bernatchez L, Baudrimont M. Gene transcription profiling in wild and laboratory-exposed eels: Effect of captivity and in situ chronic exposure to pollution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 571:92-102. [PMID: 27470668 DOI: 10.1016/j.scitotenv.2016.07.131] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 07/13/2016] [Accepted: 07/18/2016] [Indexed: 06/06/2023]
Abstract
Aquatic ecosystems are subjected to a variety of man-induced stressors but also vary spatially and temporally due to variation in natural factors. In such complex environments, it remains difficult to detect, dissociate and evaluate the effects of contaminants in wild organisms. In this context, the aim of this study was to test whether the hepatic transcriptome profile of fish may be used to detect in situ exposure to a particular contaminant. Transcriptomic profiles from laboratory-exposed and wild eels sampled along a contamination gradient were compared. During laboratory experiments, fish were exposed during 45days to different pollutants (Hg, PCBs, OCPs or Cd) or natural factors (temperature, salinity or low food supply) at levels close to those found in the sampling sites. A strong difference was observed between the transcriptomic profiles obtained from wild and laboratory-exposed animals (whatever the sites or experimental conditions), suggesting a general stress induced by captivity in the laboratory. Among the biological functions that were up-regulated in laboratory eels in comparison to wild eels, histone modification was the most represented. This finding suggests that laboratory conditions could affect the epigenome of fish and thus modulate the transcriptional responses developed by fish in response to pollutant exposure. Among experimental conditions, only the transcription profiles of laboratory animals exposed to cold temperature were correlated with those obtained from wild fish, and more significantly with fish from contaminated sites. Common regulated genes were mainly involved in cell differentiation and liver development, suggesting that stem/progenitor liver cells could be involved in the adaptive response developed by fish chronically exposed to pollutant mixtures.
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Affiliation(s)
- Lucie Baillon
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France
| | - Fabien Pierron
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France.
| | - Pauline Pannetier
- Institut National de la Recherche Scientifique, Centre Eau Terre Environnement, 490 de la Couronne, Québec (Québec) G1K 9A9, Canada
| | - Eric Normandeau
- Département de biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, (Québec) G1V 0A6, Canada
| | - Patrice Couture
- Institut National de la Recherche Scientifique, Centre Eau Terre Environnement, 490 de la Couronne, Québec (Québec) G1K 9A9, Canada
| | - Pierre Labadie
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France
| | - Hélène Budzinski
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France
| | - Patrick Lambert
- Irtsea, UR EABX, 50 avenue de Verdun-Gazinet, 33612 Cestas, France
| | - Louis Bernatchez
- Département de biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, (Québec) G1V 0A6, Canada
| | - Magalie Baudrimont
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France
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Pavey SA, Laporte M, Normandeau E, Gaudin J, Letourneau L, Boisvert S, Corbeil J, Audet C, Bernatchez L. Draft genome of the American Eel (Anguilla rostrata). Mol Ecol Resour 2016; 17:806-811. [PMID: 27754597 DOI: 10.1111/1755-0998.12608] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2016] [Revised: 10/12/2016] [Accepted: 10/13/2016] [Indexed: 11/28/2022]
Abstract
Freshwater eels (Anguilla sp.) have large economic, cultural, ecological and aesthetic importance worldwide, but they suffered more than 90% decline in global stocks over the past few decades. Proper genetic resources, such as sequenced, assembled and annotated genomes, are essential to help plan sustainable recoveries by identifying physiological, biochemical and genetic mechanisms that caused the declines or that may lead to recoveries. Here, we present the first sequenced genome of the American eel. This genome contained 305 043 contigs (N50 = 7397) and 79 209 scaffolds (N50 = 86 641) for a total size of 1.41 Gb, which is in the middle of the range of previous estimations for this species. In addition, protein-coding regions, including introns and flanking regions, are very well represented in the genome, as 95.2% of the 458 core eukaryotic genes and 98.8% of the 248 ultra-conserved subset were represented in the assembly and a total of 26 564 genes were annotated for future functional genomics studies. We performed a candidate gene analysis to compare three genes among all three freshwater eel species and, congruent with the phylogenetic relationships, Japanese eel (A. japanica) exhibited the most divergence. Overall, the sequenced genome presented in this study is a crucial addition to the presently available genetic tools to help guide future conservation efforts of freshwater eels.
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Affiliation(s)
- Scott A Pavey
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Pavillon Charles-Eugène-Marchand, Québec, QC, G1V 0A6, Canada.,Department of Biological Sciences and Canadian Rivers Institute, University of New Brunswick, Saint-John, NB, E2L 4L5, Canada
| | - Martin Laporte
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Pavillon Charles-Eugène-Marchand, Québec, QC, G1V 0A6, Canada
| | - Eric Normandeau
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Pavillon Charles-Eugène-Marchand, Québec, QC, G1V 0A6, Canada
| | - Jérémy Gaudin
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Pavillon Charles-Eugène-Marchand, Québec, QC, G1V 0A6, Canada
| | - Louis Letourneau
- McGill University and Génome Québec Innovation Centre, Montréal, QC, H3A0G1, Canada
| | - Sébastien Boisvert
- Faculty of Medicine, CHUL Research Center, Université Laval, Québec, QC, G1V4G2, Canada
| | - Jacques Corbeil
- Faculty of Medicine, CHUL Research Center, Université Laval, Québec, QC, G1V4G2, Canada
| | - Céline Audet
- Institut des sciences de la mer de Rimouski, Université du Québec à Rimouski, Rimouski, Québec, G5L 3A1, Canada
| | - Louis Bernatchez
- Département de Biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Pavillon Charles-Eugène-Marchand, Québec, QC, G1V 0A6, Canada
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6
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Pannetier P, Caron A, Campbell PGC, Pierron F, Baudrimont M, Couture P. A comparison of metal concentrations in the tissues of yellow American eel (Anguilla rostrata) and European eel (Anguilla anguilla). THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 569-570:1435-1445. [PMID: 27395077 DOI: 10.1016/j.scitotenv.2016.06.232] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2016] [Revised: 06/22/2016] [Accepted: 06/29/2016] [Indexed: 06/06/2023]
Abstract
Historically abundant and widespread, populations of Atlantic eels have suffered a sharp decline in recent decades, in the ranges 40-80% and 90-99% for American and European eels, respectively. As a result, American eels are now classified as threatened, whereas European eels are considered to be in critical danger of extinction. Several causes have been identified as likely contributors of this decline, including overfishing, obstacles to migration (hydroelectric dams), climate change and habitat contamination. In the context of a larger project investigating the role of organic and inorganic contaminants in this decline, in this study, we measured the liver, kidney and muscle concentrations of essential (Cu, Se and Zn) and non-essential (Ag, As, Cd, Cr, Hg, Ni and Pb) metals in eels sampled at four sites in the South-West of France and four sites in Eastern Canada varying in contamination. Tissue concentrations of Cd, Hg and Se increased with fish size and age. Tissue metal concentrations generally reflected the contamination of their sampling sites. This was the case for Ag, As, Cd, Cu, Hg, Pb and Se. Comparison of tissue concentrations of these metals with the toxicological literature suggests that all of them except As could pose a risk to the health of eels from the most contaminated sites. In particular, European eels may be particularly at risk of Cd and Pb toxicity. Globally, our study suggests that a substantial accumulation of inorganic contaminants in the tissues of both eel species at sites contaminated by historical anthropogenic inputs may play a role in their decline.
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Affiliation(s)
- Pauline Pannetier
- INRS-ETE, Québec, QC, Canada; Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France
| | | | | | - Fabien Pierron
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France
| | - Magalie Baudrimont
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400 Talence, France; CNRS, EPOC, UMR 5805, F-33400 Talence, France
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7
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Baillon L, Pierron F, Oses J, Pannetier P, Normandeau E, Couture P, Labadie P, Budzinski H, Lambert P, Bernatchez L, Baudrimont M. Detecting the exposure to Cd and PCBs by means of a non-invasive transcriptomic approach in laboratory and wild contaminated European eels (Anguilla anguilla). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:5431-5441. [PMID: 26566612 DOI: 10.1007/s11356-015-5754-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2015] [Accepted: 11/03/2015] [Indexed: 06/05/2023]
Abstract
Detecting and separating specific effects of contaminants in a multi-stress field context remain a major challenge in ecotoxicology. In this context, the aim of this study was to assess the usefulness of a non-invasive transcriptomic method, by means of a complementary DNA (cDNA) microarray comprising 1000 candidate genes, on caudal fin clips. Fin gene transcription patterns of European eels (Anguilla anguilla) exposed in the laboratory to cadmium (Cd) or a polychloro-biphenyl (PCBs) mixture but also of wild eels from three sampling sites with differing contamination levels were compared to test whether fin clips may be used to detect and discriminate the exposure to these contaminants. Also, transcriptomic profiles from the liver and caudal fin of eels experimentally exposed to Cd were compared to assess the detection sensitivity of the fin transcriptomic response. A similar number of genes were differentially transcribed in the fin and liver in response to Cd exposure, highlighting the detection sensitivity of fin clips. Moreover, distinct fin transcription profiles were observed in response to Cd or PCB exposure. Finally, the transcription profiles of eels from the most contaminated site clustered with those from laboratory-exposed fish. This study thus highlights the applicability and usefulness of performing gene transcription assays on non-invasive tissue sampling in order to detect the in situ exposure to Cd and PCBs in fish.
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Affiliation(s)
- Lucie Baillon
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400, Talence, France
- CNRS, EPOC, UMR 5805, F-33400, Talence, France
| | - Fabien Pierron
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400, Talence, France.
- CNRS, EPOC, UMR 5805, F-33400, Talence, France.
| | - Jennifer Oses
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400, Talence, France
- CNRS, EPOC, UMR 5805, F-33400, Talence, France
| | - Pauline Pannetier
- Institut National de la Recherche Scientifique, Centre Eau Terre Environnement, 490 de la Couronne, Québec, QC, G1K 9A9, Canada
| | - Eric Normandeau
- Département de biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, G1V 0A6, Canada
| | - Patrice Couture
- Institut National de la Recherche Scientifique, Centre Eau Terre Environnement, 490 de la Couronne, Québec, QC, G1K 9A9, Canada
| | - Pierre Labadie
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400, Talence, France
- CNRS, EPOC, UMR 5805, F-33400, Talence, France
| | - Hélène Budzinski
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400, Talence, France
- CNRS, EPOC, UMR 5805, F-33400, Talence, France
| | - Patrick Lambert
- Irtsea, UR EABX, 50 avenue de Verdun-Gazinet, 33612, Cestas, France
| | - Louis Bernatchez
- Département de biologie, Institut de Biologie Intégrative et des Systèmes (IBIS), Université Laval, Québec, QC, G1V 0A6, Canada
| | - Magalie Baudrimont
- Univ. Bordeaux, UMR EPOC CNRS 5805, F-33400, Talence, France
- CNRS, EPOC, UMR 5805, F-33400, Talence, France
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