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Rattikansukha C, Millward GE, Hawkins SJ, Langston WJ. Partitioning of metals in the tissues and cytosolic fraction of Cerastoderma edule. MARINE ENVIRONMENTAL RESEARCH 2024; 199:106566. [PMID: 38865871 DOI: 10.1016/j.marenvres.2024.106566] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 02/21/2024] [Accepted: 05/24/2024] [Indexed: 06/14/2024]
Abstract
The concentrations of Cd, Cu and Zn have been determined in the tissues and the cytosolic fraction of the common cockle, Cerastoderma edule, collected from sediments in the Tamar, Plym and Avon estuaries (South West, England). Metal concentrations in the tissues of C. edule from the Avon were lower than those from the Tamar and Plym, except for Cu in the digestive gland. Significant statistical relationships were only obtained between the total sedimentary metal concentrations and Cd in the body of C. edule and Cu in the digestive gland. The cytosolic fraction was extracted from each of the tissues and separated for protein analysis thereby allowing determination of the metal contents in high molecular weight (HMW) compounds, metallothionein-like proteins (MTLP) and very low molecular weight (VLMW) compounds. The digestive glands of C. edule from the Avon had relatively low concentrations of MTLP, whereas MTLP concentrations in the digestive gland of cockles from the Tamar and Plym were higher. The cytosolic fraction of C. edule had relatively low total Cd and Cu concentrations associated with MTLP, whereas Zn was preferentially associated with the HMW and the VLMW components. The results are relevant to metal distributions in C. edule and the role of cytosols in the management of metals by C. edule and other invertebrates.
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Affiliation(s)
- C Rattikansukha
- Center of Excellence on Sustainable Disaster Management, Walailak University, Tha Sala, Nakon Sri Thammarat, 80161, Thailand
| | - G E Millward
- Marine Institute, University of Plymouth, Drake Circus, Plymouth, PL4 8AA, UK.
| | - S J Hawkins
- School of Ocean and Earth Sciences, National Oceanography Centre, University of Southampton, Southampton, SO14 3RZ, UK; School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK
| | - W J Langston
- Marine Biological Association of the UK, Citadel Hill, Plymouth, PL1 2PB, UK
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Mesquita AF, Gonçalves FJM, Gonçalves AMM. Toxicity of two pesticides in binary mixture on survival and enzymatic response of Cerastoderma edule - The warming influence. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169676. [PMID: 38160819 DOI: 10.1016/j.scitotenv.2023.169676] [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: 10/11/2023] [Revised: 12/22/2023] [Accepted: 12/23/2023] [Indexed: 01/03/2024]
Abstract
Pesticide application increased by about 1 million tonnes in the last 3 decades. Pesticides' overuse, coupled with the need for several pesticides to control different pests in the same crop, and its application many times per year, results in dangerous chemical cocktails that enter in aquatic systems, with impacts to the ecosystems and its communities. Climatic changes are currently another great concern, is predicted by the end of the 21st century, the earth's surface temperature will increase by about 4 °C. Bivalve species are reported as essential to the ecosystems' balance. However, they are also indicated as the organisms that will suffer the most serious effects of the temperature increase. So, this work intends to: a) verify the harm of the sub-lethal concentrations of two worldwide used pesticides, oxyfluorfen and copper (Cu), when combined, to Cerastoderma edule at 15 °C and 20 °C; b) assess the changes in the antioxidant defence system, the activity of the neurological enzyme acetylcholinesterase and the nutritive value of C. edule, after exposure to sub-lethal concentrations of oxyfluorfen and Cu, single and in the mixture, at 15 °C and 20 °C; c) observe the interaction between Cu and oxyfluorfen, considering the different biomarkers. Bivalves were exposed to oxyfluorfen and Cu, single and combined, for 96 h, at 15 °C and 20 °C. Results showed lethal effects to the organisms exposed at 20 °C when exposed to the highest binary mixture concentrations. Biochemical effects were observed on the organisms exposed to 15 °C, despite not observing any lethal effects. Briefly, there was a reported increase in oxidative stress and a decrease in protein content, regardless of the increase in the activity of antioxidant enzymes. These results suggest the potentially dangerous effects of the chemicals' mixture combined with the temperature, on this species and its consumers, impacting the trophic chain, and consequently, the community structure and function.
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Affiliation(s)
- Andreia F Mesquita
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal.
| | - Fernando J M Gonçalves
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana M M Gonçalves
- Department of Biology, CESAM - Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal; University of Coimbra, MARE-Marine and Environmental Sciences Centre, ARNET - Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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Mesquita AF, Gonçalves FJM, Gonçalves AMM. Effects of Inorganic and Organic Pollutants on the Biomarkers' Response of Cerastoderma edule under Temperature Scenarios. Antioxidants (Basel) 2023; 12:1756. [PMID: 37760058 PMCID: PMC10525251 DOI: 10.3390/antiox12091756] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 08/31/2023] [Accepted: 09/02/2023] [Indexed: 09/29/2023] Open
Abstract
Currently, there is increased chemical pollution, and climate change is a major concern to scientific, political and social communities globally. Marine systems are very susceptible to changes, and considering the ecological and economic roles of bivalve species, like Cerastoderma edule, studies evaluating the effects of both stressors are of great importance. This study intends to (a) determine the toxicity of copper (Cu) and oxyfluorfen at the lethal level, considering the temperature; (b) assess the changes in the antioxidant defence enzymes as a consequence of the simultaneous exposure to chemical and warming pressures; and (c) determine if lipid peroxidation (LPO) and neurotoxic effects occur after the exposure to chemical and temperature stressors. C. edule was exposed to Cu and oxyfluorfen at different temperatures (15 °C, 20 °C and 25 °C) for 96 h. The ecotoxicological results reveal a higher tolerance of C. edule to oxyfluorfen than to Cu, regardless of the temperature. The antioxidant defence system revealed efficiency in fighting the chemicals' action, with no significant changes in the thiobarbituric reactive species (TBARS) levels to 15 °C and 20 °C. However, a significant inhibition of acetylcholinesterase (AChE) was observed on the organisms exposed to oxyfluorfen at 20 °C, as well as a decreasing trend on the ones exposed to Cu at this temperature. Moreover, the catalase (CAT) showed a significant increase in the organisms exposed to the two highest concentrations of Cu at 15 °C and in the ones exposed to the highest concentration of oxyfluorfen at 20 °C. Looking at the temperature as a single stressor, the organisms exposed to 25 °C revealed a significant increase in the TBARS level, suggesting potential LPO and explaining the great mortality at this condition.
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Affiliation(s)
- Andreia F. Mesquita
- Department of Biology and CESAM—Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal; (A.F.M.); (F.J.M.G.)
| | - Fernando J. M. Gonçalves
- Department of Biology and CESAM—Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal; (A.F.M.); (F.J.M.G.)
| | - Ana M. M. Gonçalves
- Department of Biology and CESAM—Centre for Environmental and Marine Studies, University of Aveiro, 3810-193 Aveiro, Portugal; (A.F.M.); (F.J.M.G.)
- University of Coimbra, MARE—Marine and Environmental Sciences Centre/ARNET—Aquatic Research Network, Department of Life Sciences, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
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Vieira JCS, Braga CP, Queiroz JVD, Cavecci-Mendonça B, Oliveira GD, Freitas NGD, Fernandes AAH, Fernandes MDS, Buzalaf MAR, Adamec J, Zara LF, Padilha PDM. The effects of mercury exposure on Amazonian fishes: An investigation of potential biomarkers. CHEMOSPHERE 2023; 316:137779. [PMID: 36632955 DOI: 10.1016/j.chemosphere.2023.137779] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 01/04/2023] [Accepted: 01/05/2023] [Indexed: 05/05/2023]
Abstract
Exposure to mercury can interfere with the expression of proteins and enzymes, compromise important pathways, such as apoptosis and glucose metabolism, and even induce the expression of metallothioneins. In this study, analytical techniques were used to determine the concentration of total mercury (THg) in muscle and liver tissue, protein pellets, and spots [using graphite furnace atomic absorption spectrometry (GFAAS)], and molecular techniques were used to identify metalloproteins present in mercury-associated protein spots. Thirty individuals from three different fish species, Cichla sp. (n = 10), Brachyplatystoma filamentosum (n = 10), and Semaprochilodus sp. (n = 10) from the Brazilian Amazon were used. Oxidative stress indicators [such as glutathione peroxidase (GSH-Px), catalase (CAT), superoxide dismutase (SOD), a marker of lipid peroxidation (LPO)] and the possible expression of metallothioneins in muscle and liver tissues were investigated. The two piscivorous species, Cichla sp. and B. filamentosum, presented the highest concentrations of mercury in their hepatic tissue, 1219 ± 15.00 and 1044 ± 13.6 μg kg-1, respectively, and in their muscle tissue, 101 ± 1.30 μg kg-1 and 87.4 ± 0.900 μg kg-1, respectively. The non-carnivorous species Semaprochilodus sp. had comparatively low concentrations of mercury in both its hepatic (852 ± 11.1 μg kg-1) and muscle (71.4 ± 0.930 μg kg-1) tissues. The presence of mercury was identified in 24 protein spots using GFAAS; concentrations ranged from 11.5 to 787 μg kg-1, and mass spectrometry identified 21 metal-binding proteins. The activities of GSH-Px, CAT, and SOD, related to oxidative stress, decreased proportionally as tissue Hg concentrations increased, while the levels of LPO markers increased, indicating the presence of stress. Our study results demonstrate possible mercury interference in oxidative stress markers (GSH-Px, CAT, SOD, and LPO), in addition to the identification of 21 metal-binding proteins as possible biomarkers of mercury exposure in fish.
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Affiliation(s)
| | | | - João Vitor de Queiroz
- São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, SP, Brazil
| | - Bruna Cavecci-Mendonça
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, São Paulo, Brazil
| | - Grasieli de Oliveira
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, São Paulo, Brazil
| | | | | | | | | | - Jiri Adamec
- University of Nebraska (UNL), Lincoln, United States
| | - Luiz Fabrício Zara
- University of Brasília (UNB), College of Planaltina, Distrito Federal, Brazil
| | - Pedro de Magalhães Padilha
- São Paulo State University (UNESP), Institute of Biosciences, Botucatu, São Paulo, Brazil; São Paulo State University (UNESP), School of Veterinary Medicine and Animal Science, Botucatu, SP, Brazil.
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Chouchene L, Kessabi K, Gueguen MM, Kah O, Pakdel F, Messaoudi I. Interference with zinc homeostasis and oxidative stress induction as probable mechanisms for cadmium-induced embryo-toxicity in zebrafish. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:39578-39592. [PMID: 35106724 DOI: 10.1007/s11356-022-18957-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 01/26/2022] [Indexed: 06/14/2023]
Abstract
The present study was conducted to provide new insights into the mechanisms that may be responsible for cadmium (Cd)-induced toxicity in zebrafish larvae as well as the role of the trace element zinc (Zn) in reversing Cd harmful effects. For this purpose, zebrafish eggs were exposed to Cd or/and Zn for 96 h. The effects on morphological aspect; mortality rate; Cd, Zn, and metallothionein (MT) levels; oxidative stress biomarkers; as well as molecular expression of some genes involved in Zn metabolism (Zn-MT, ZIP10, and ZnT1) and in antioxidant defense system (Cu/Zn-SOD, CAT and GPx) were examined. Our results showed that Cd toxicity was exerted, initially, by an interference with Zn metabolism. Thus, Cd was able to modify the expression of the corresponding genes so as to ensure its intracellular accumulation at the expense of Zn, causing its depletion. An oxidative stress was then generated, representing the second mode of Cd action which resulted in developmental anomalies and subsequently mortality. Interestingly, significant corrections have been noted following Zn supplementation based, essentially, on its ability to interact with the toxic metal. The increases of Zn bioavailability, the improvement of the oxidative status, as well as changes in Zn transporter expression profile are part of the protection mechanisms. The decrease of Cd-induced MTs after Zn supplement, both at the protein and the mRNA level, suggests that the protection provided by Zn is ensured through mechanisms not involving MT expression but which rather depend on the oxidative status.
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Affiliation(s)
- Lina Chouchene
- Génétique, Biodiversité Et Valorisation Des Bioressources, Institut Supérieur de Biotechnologie de Monastir, Université de Monastir, Rue Taher Haddad BP74, 5000, Monastir, Tunisia.
| | - Kaouthar Kessabi
- Génétique, Biodiversité Et Valorisation Des Bioressources, Institut Supérieur de Biotechnologie de Monastir, Université de Monastir, Rue Taher Haddad BP74, 5000, Monastir, Tunisia
| | - Marie-Madeleine Gueguen
- Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement Et Travail), Université de Rennes, UMR_S 1085, 35000, Rennes, France
| | - Olivier Kah
- Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement Et Travail), Université de Rennes, UMR_S 1085, 35000, Rennes, France
| | - Farzad Pakdel
- Inserm, EHESP, Irset (Institut de Recherche en Santé, Environnement Et Travail), Université de Rennes, UMR_S 1085, 35000, Rennes, France
| | - Imed Messaoudi
- Génétique, Biodiversité Et Valorisation Des Bioressources, Institut Supérieur de Biotechnologie de Monastir, Université de Monastir, Rue Taher Haddad BP74, 5000, Monastir, Tunisia
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Baudrimont M, Gonzalez P, Mesmer-Dudons N, Legeay A. Sensitivity to cadmium of the endangered freshwater pearl mussel Margaritifera margaritifera from the Dronne River (France): experimental exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:3715-3725. [PMID: 30949944 DOI: 10.1007/s11356-019-05025-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2018] [Accepted: 03/27/2019] [Indexed: 06/09/2023]
Abstract
Margaritifera margaritifera is a critically endangered species in Europe. Among the causes explaining its decline, metal pollution had never been deeply studied. Thus, an ecotoxicological investigation was developed on this species which comes from the Dronne River (South-West of France). Cadmium (Cd) exposure of mussels at 2 and 5 μg/L for 7 days was conducted to test their vulnerability to this metal, and also the potential endocrine disruption power of Cd. Morphometric analyses, gonad histological observations, metal bioaccumulation, metallothionein (MTs) production, measures of malondialdehyde (MDA), and finally quantitative relative expression analysis of genes involved in various metabolic functions were performed.The main results showed Cd accumulation increasing in a dose-dependent manner, especially in the gills. The same trend was observed for gene expression relative to oxidative stress. Histological analysis of the gonads highlighted a predominance of hermaphrodite individuals, but after 7 days of exposure to Cd, the percentage of female was largely increased compared with controls, from 17 to 33%. These results demonstrate the endocrine disruption effect of Cd on freshwater pearl mussels.The pearl mussel Margaritifera margaritifera is sensitive to cadmium since the metallothioneins are poorly induced, gene expression reveals oxidative stress, and gonads tend to be feminized.
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Affiliation(s)
- Magalie Baudrimont
- University of Bordeaux, UMR CNRS EPOC 5805, Aquatic Ecotoxicology team, Place du Dr Peyneau, F-33120, Arcachon, France.
| | - Patrice Gonzalez
- University of Bordeaux, UMR CNRS EPOC 5805, Aquatic Ecotoxicology team, Place du Dr Peyneau, F-33120, Arcachon, France
| | - Nathalie Mesmer-Dudons
- University of Bordeaux, UMR CNRS EPOC 5805, Aquatic Ecotoxicology team, Place du Dr Peyneau, F-33120, Arcachon, France
| | - Alexia Legeay
- University of Bordeaux, UMR CNRS EPOC 5805, Aquatic Ecotoxicology team, Place du Dr Peyneau, F-33120, Arcachon, France
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Copper sulphate impact on the antioxidant defence system of the marine bivalves Cerastoderma edule and Scrobicularia plana. Sci Rep 2019; 9:16458. [PMID: 31712602 PMCID: PMC6848077 DOI: 10.1038/s41598-019-52925-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 09/23/2019] [Indexed: 11/08/2022] Open
Abstract
Anthropogenic activities, such as agriculture and industrial activities, are a main source of pollution contributing for the degradation of water quality and thus affecting the living organisms of aquatic systems. Copper is widely used at these practices being often released into the aquatic systems and may cause negative effects in its communities. This study proposes to determine the effects of copper in the antioxidant defence system of two size classes (big and small sizes) of Scrobicularia plana and Cerastoderma edule, two marine bivalve species with commercial interest. It was observed the behaviour activity of the organisms during the exposure to copper sulphate (CS) and was determined the enzymatic activities of glutathione-S-transferases (GST), glutathione reductase (GR) and glutathione peroxidase (GPx) (both selenium-dependent (SeGPx) and total (tGPx)) in the muscle tissue (foot). Lipid peroxidation (LPO) was evaluated through thiobarbituric acid reactive substances (TBARS) measurement in the foot. Changes in the behaviour and enzymatic activity were observed. Lipid peroxidation was observed at C. edule and S. plana big and small size classes, respectively, according to TBARS levels. The foot showed to be a good tissue to be used in biochemical analysis to detect the presence of toxicants.
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Bouzahouane H, Barour C, Sleimi N, Ouali K. Multi-biomarkers approach to the assessment of the southeastern Mediterranean Sea health status: Preliminary study on Stramonita haemastoma used as a bioindicator for metal contamination. CHEMOSPHERE 2018; 207:725-741. [PMID: 29859485 DOI: 10.1016/j.chemosphere.2018.05.118] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/18/2018] [Accepted: 05/20/2018] [Indexed: 06/08/2023]
Abstract
The present study aimed to evaluate the responses of different biochemicals parameters associated with environmental pollution in the digestive gland of the gastropod mollusc Stramonita haemastoma. Physiochemical parameters and trace metal elements (Copper (Cu), Zinc (Zn), Chromium (Cr), Cadmium (Cd) and Lead (Pb)) were measured in seawater. Spatiotemporal variations in reduced glutathione (GSH), malondialdehyde (MDA) and metallothionein (Mt) as well as the specific activities of glutathione S-transferase (GST) and catalase (CAT) were evaluated in digestive gland of this species during a one-year period in 2013-2014. Samples collection was conducted at three sites. The results obtained showed seasonal fluctuations in GST and CAT activities and in the rate of Mt content. In addition, intersite variations in GSH, MDA, Mt and CAT were recorded in individuals. Also, trace metal elements concentrations determined by season in the digestive gland revealed spatial and temporal variations for Cu and Zn but they are below the limit of detection for Cd and Pb. The highest values were generally recorded in spring for Cu and in winter for Zn. In this first regional study using in S. haemastoma as a model, the biomarkers measured were seen to be inducible parameters to evaluate the health state of the organism and the overall quality of the study sites.
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Affiliation(s)
- Hana Bouzahouane
- Department of Biology, Faculty of Natural and Life Sciences, Mohamed Cherif Messaâdia University, Souk-Ahras, 41000, Algeria; Laboratory of Environmental Biosurveillance, Department of Biology, Faculty of Sciences, Badji Mokhtar University, BP 12, El Hadjar, Annaba 23000, Algeria.
| | - Choukri Barour
- Department of Biology, Faculty of Natural and Life Sciences, Mohamed Cherif Messaâdia University, Souk-Ahras, 41000, Algeria
| | - Noomene Sleimi
- UR: Matériaux, Nanomatériaux et Ecosystèmes, Faculté des Sciences de Bizerte, Université de Carthage, Tunisia
| | - Kheireddine Ouali
- Laboratory of Environmental Biosurveillance, Department of Biology, Faculty of Sciences, Badji Mokhtar University, BP 12, El Hadjar, Annaba 23000, Algeria
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Qian G, Bao Y, Li C, Xie Q, Lu M, Lin Z. Nfu1 Mediated ROS Removal Caused by Cd Stress in Tegillarca granosa. Front Physiol 2017; 8:1061. [PMID: 29326599 PMCID: PMC5741617 DOI: 10.3389/fphys.2017.01061] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 12/04/2017] [Indexed: 11/18/2022] Open
Abstract
The blood clam Tegillarca granosa, a eukaryotic bottom-dwelling bivalve species has a strong ability to tolerate and accumulate cadmium. In our previous study, Nfu1 (iron-sulfur cluster scaffold protein), which is involved in Fe-S cluster biogenesis, was shown to be significantly up-regulated under Cd stress, as determined by proteomic analysis. To investigate the function of Nfu1 in cadmium (Cd) detoxification, the function of blood clam Nfu1 (designated as Tg-Nfu1) was investigated by integrated molecular and protein approaches. The full-length cDNA of Tg-Nfu1 is 1167 bp and encodes a protein of 272 amino acid residues. The deduced Tg-Nfu1 protein is 30 kDa contains a conserved Nfu-N domain and a Fe-S cluster binding motif (C-X-X-C). qRT-PCR analysis revealed that Tg-Nfu1 was ubiquitously expressed in all examined tissues; it was up-regulated in the hepatopancreas and gill, and kept a high level from 9 to 24 h after Cd exposure (250 μg/L). Western blot analysis further revealed that the Tg-Nfu1 protein was also highly expressed in the hepatopancreas and gill after 24 h of Cd stress. Further functional analysis showed that the production of ROS was increased and Cu/ZnSOD activity was inhibited in blood clam, treated with the specific Nfu1 siRNA and Cd stress, respectively. These results suggest that Tg-Nfu1 could protect blood clam from oxidative damage caused by Cd stress.
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Affiliation(s)
- Guang Qian
- School of Marine Sciences, Ningbo University, Ningbo, China.,Zhejiang Key Laboratory of Aquatic Germplasm Resources, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Yongbo Bao
- Zhejiang Key Laboratory of Aquatic Germplasm Resources, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Chenghua Li
- School of Marine Sciences, Ningbo University, Ningbo, China
| | - Qingqing Xie
- School of Marine Sciences, Ningbo University, Ningbo, China.,Zhejiang Key Laboratory of Aquatic Germplasm Resources, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
| | - Meng Lu
- School of Marine Sciences, Ningbo University, Ningbo, China
| | - Zhihua Lin
- Zhejiang Key Laboratory of Aquatic Germplasm Resources, College of Biological and Environmental Sciences, Zhejiang Wanli University, Ningbo, China
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Rodrigues R, Lourenço J, Pereira P, Carvalho S, Mendo S. Effects of metal contamination on the gene expression profile of two benthic species: Cerastoderma edule and Ruditapes philippinarum. MARINE POLLUTION BULLETIN 2017; 125:157-165. [PMID: 28811037 DOI: 10.1016/j.marpolbul.2017.08.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2017] [Revised: 08/03/2017] [Accepted: 08/05/2017] [Indexed: 06/07/2023]
Abstract
This study aimed to identify new biomarkers for metal exposure in two bivalve species. Suppressive Subtractive Hybridization (SSH) was employed to evaluate the transcriptomic response of Cerastoderma edule and Ruditapes philippinarum to metal pollution. Protein synthesis and catalytic activity were the most affected metabolic processes in C. edule and R. philippinarum, respectively. Also, different genes responded to the effect of contamination in each species. The different response observed in both species reinforces the importance of including more than one bioindicator species in risk assessment studies. These results provide the basis for new studies, which are necessary for further validation of the use of the identified genes as molecular biomarkers for metal exposure.
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Affiliation(s)
- Raquel Rodrigues
- Centre for Environmental and Marine Studies and Department of Biology (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal.
| | - Joana Lourenço
- Centre for Environmental and Marine Studies and Department of Biology (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
| | - Patrícia Pereira
- Centre for Environmental and Marine Studies and Department of Biology (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal; IPMA - Portuguese Institute for the Sea and Atmosphere, Avenida Brasília, 1449-006 Lisbon, Portugal
| | - Susana Carvalho
- King Abdullah University of Science and Technology (KAUST), Red Sea Research Center (RSRC), Biological and Environmental Sciences and Engineering (BESE), Thuwal 23955-6900, Saudi Arabia
| | - Sonia Mendo
- Centre for Environmental and Marine Studies and Department of Biology (CESAM), University of Aveiro, Campus de Santiago, 3810-193 Aveiro, Portugal
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Pires A, Velez C, Figueira E, Soares AMVM, Freitas R. Effects of sediment contamination on physiological and biochemical responses of the polychaete Diopatra neapolitana, an exploited natural resource. MARINE POLLUTION BULLETIN 2017; 119:119-131. [PMID: 28351663 DOI: 10.1016/j.marpolbul.2017.03.014] [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: 12/07/2016] [Revised: 03/05/2017] [Accepted: 03/07/2017] [Indexed: 06/06/2023]
Abstract
The present study reports metal and arsenic contamination in sediments, as well as element accumulation and partitioning in the polychaete Diopatra neapolitana in the Ria de Aveiro lagoon (Portugal). The polychaetes biochemical performance and tissue regenerative capacity were also evaluated. The concentration of elements in sediments showed an increase of contamination among areas (areas A-G), but higher bioaccumulation was observed in organisms from a less contaminated area (area C, BAF>1). This study evidenced that individuals with higher elements bioaccumulation presented higher LPO and lower GSH/GSSG and also exhibited lower capacity for body regeneration. Polychaetes biotransformation capacity as well as antioxidant defense mechanisms were not sufficiently efficient to withstand the excess of ROS leading to increased LPO when organisms presented higher bioaccumulation levels. Additionally, an increase of methalotionines was also observed in individuals with higher bioaccumulation of metals and As, suggesting an induction of detoxification processes.
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Affiliation(s)
- Adília Pires
- Department of Biology & CESAM, University of Aveiro, Aveiro, Portugal.
| | - Cátia Velez
- Department of Biology & CESAM, University of Aveiro, Aveiro, Portugal
| | - Etelvina Figueira
- Department of Biology & CESAM, University of Aveiro, Aveiro, Portugal
| | | | - Rosa Freitas
- Department of Biology & CESAM, University of Aveiro, Aveiro, Portugal
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12
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Le TTY, Zimmermann S, Sures B. How does the metallothionein induction in bivalves meet the criteria for biomarkers of metal exposure? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 212:257-268. [PMID: 26854695 DOI: 10.1016/j.envpol.2016.01.070] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2015] [Revised: 01/21/2016] [Accepted: 01/24/2016] [Indexed: 06/05/2023]
Abstract
Metallothionein (MT) concentrations in the whole soft tissue or in a particular tissue of bivalves have widely been used in ecotoxicological studies and biomonitoring programmes. This approach is based on the reported results on the enhancement of MT induction in bivalves in response to metal exposure. The validity of using MT induction as a biomarker is briefly assessed in the present study. The sensitivity of MT induction in these organisms is questionable due to the high basal MT level as well as the high natural variability related to the effects of a number of biotic and abiotic factors, which are not well described yet. Moreover, the relationship between exposure to metals, the toxic effects of that exposure, and the appearance of MT in soft tissue, is not well characterized. A variety of factors may influence the appearance and distribution of MT: 1) the uneven distribution of metals in particular portions of the soft tissue and in particular subcellular compartments; 2) pre-exposure to metals, perhaps at non-toxic levels; 3) metal-metal competition and metal-protein interactions; and 4) tissue-specific induction, functions, and isoforms of MT. Therefore, attention is required when using MT induction in bivalves for assessment of metal exposure or consequent toxic effects. The MT concentration can be a reliable indicator only when it is considered in relation with metal uptake kinetics and subcellular partitioning while specifying the isoform of MT synthesised and considering various confounding factors. The kinetic turnover of MT may provide useful information on metal exposure and biological effects since it covers both the synthesis and breakdown of MT as well as the chemical species of metals accumulated and MT.
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Affiliation(s)
- T T Yen Le
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Germany.
| | - Sonja Zimmermann
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Germany
| | - Bernd Sures
- Department of Aquatic Ecology and Centre for Water and Environmental Research (ZWU), University of Duisburg-Essen, Germany; Department of Zoology, University of Johannesburg, PO Box 524, Auckland Park 2006, Johannesburg, South Africa
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Pedrini-Martha V, Niederwanger M, Kopp R, Schnegg R, Dallinger R. Physiological, Diurnal and Stress-Related Variability of Cadmium-Metallothionein Gene Expression in Land Snails. PLoS One 2016; 11:e0150442. [PMID: 26935042 PMCID: PMC4774997 DOI: 10.1371/journal.pone.0150442] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Accepted: 02/15/2016] [Indexed: 12/04/2022] Open
Abstract
The terrestrial Roman snail Helix pomatia has successfully adapted to strongly fluctuating conditions in its natural soil habitat. Part of the snail’s stress defense strategy is its ability to express Metallothioneins (MTs). These are multifunctional, cysteine-rich proteins that bind and inactivate transition metal ions (Cd2+, Zn2+, Cu+) with high affinity. In Helix pomatia a Cadmium (Cd)-selective, inducible Metallothionein Isoform (CdMT) is mainly involved in detoxification of this harmful metal. In addition, the snail CdMT has been shown to also respond to certain physiological stressors. The aim of the present study was to investigate the physiological and diurnal variability of CdMT gene expression in snails exposed to Cd and non-metallic stressors such as desiccation and oxygen depletion. CdMT gene expression was upregulated by Cd exposure and desiccation, whereas no significant impact on the expression of CdMT was measured due to oxygen depletion. Overall, Cd was clearly more effective as an inducer of the CdMT gene expression compared to the applied non-metallic stressors. In unexposed snails, diurnal rhythmicity of CdMT gene expression was observed with higher mRNA concentrations at night compared to daytime. This rhythmicity was severely disrupted in Cd-exposed snails which exhibited highest CdMT gene transcription rates in the morning. Apart from diurnal rhythmicity, feeding activity also had a strong impact on CdMT gene expression. Although underlying mechanisms are not completely understood, it is clear that factors increasing MT expression variability have to be considered when using MT mRNA quantification as a biomarker for environmental stressors.
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Affiliation(s)
- Veronika Pedrini-Martha
- Department of Ecophysiology, Division of Zoology, University of Innsbruck, Innsbruck, Tirol, Austria
- * E-mail: (RD); (VPM)
| | - Michael Niederwanger
- Department of Ecophysiology, Division of Zoology, University of Innsbruck, Innsbruck, Tirol, Austria
| | - Renate Kopp
- Department of Ecophysiology, Division of Zoology, University of Innsbruck, Innsbruck, Tirol, Austria
| | - Raimund Schnegg
- Department of Ecophysiology, Division of Zoology, University of Innsbruck, Innsbruck, Tirol, Austria
| | - Reinhard Dallinger
- Department of Ecophysiology, Division of Zoology, University of Innsbruck, Innsbruck, Tirol, Austria
- * E-mail: (RD); (VPM)
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Mouchet F, Teaniniuraitemoana V, Baudrimont M, Daffe G, Gauthier L, Gonzalez P. Recovery capabilities of Xenopus laevis after exposure to Cadmium and Zinc. CHEMOSPHERE 2015; 139:117-125. [PMID: 26073702 DOI: 10.1016/j.chemosphere.2015.05.103] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2015] [Revised: 05/26/2015] [Accepted: 05/27/2015] [Indexed: 06/04/2023]
Abstract
The present investigation evaluates the recovery capabilities of Xenopus laevis following 12days of exposure to 30μg CdL(-1) and 1000μg ZnL(-1) alone or mixed, followed by a depuration phase in laboratory conditions. Focused endpoints, which were investigated at different times of depuration, are bioaccumulation of Cd and Zn, micronucleus induction, quantification of metallothioneins (MTs), and expression of genes involved in metal toxicity mechanisms. The results show that at the end of the contamination phase, there was higher metal bioaccumulation capability and MT synthesis in remaining tissues than in the liver. An increased expression of genes involved in detoxification and oxidative stress mechanisms was observed, suggesting an additive effect of both metals and a higher Zn regulation in the liver. During the depuration phase, the results show the recovery capability of Xenopus from 7days of depuration related to metamorphosis processes, which were observed at the end of the experiment. The results confirm the relevance of the amphibian model and the complementarities between a marker of genotoxicity, MT production, bioaccumulation and transcriptional analysis in the evaluation of the ecotoxicological impact. The results also highlight the reversible effects of Cd and Zn toxicity.
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Affiliation(s)
- F Mouchet
- Université de Toulouse, INP, UPS, EcoLab (Laboratoire Ecologie Fonctionnelle et Environnement), ENSAT, Avenue de l'Agrobiopole, 31326 Castanet Tolosan, France; CNRS, EcoLab, 31326 Castanet Tolosan, France.
| | - V Teaniniuraitemoana
- Université Bordeaux, UMR CNRS 5805 EPOC, équipe Ecotoxicologie Aquatique EA, Place du Dr. B. Peyneau, 33120 Arcachon, France
| | - M Baudrimont
- Université Bordeaux, UMR CNRS 5805 EPOC, équipe Ecotoxicologie Aquatique EA, Place du Dr. B. Peyneau, 33120 Arcachon, France
| | - G Daffe
- Université Bordeaux, UMR CNRS 5805 EPOC, équipe Ecotoxicologie Aquatique EA, Place du Dr. B. Peyneau, 33120 Arcachon, France
| | - L Gauthier
- Université de Toulouse, INP, UPS, EcoLab (Laboratoire Ecologie Fonctionnelle et Environnement), ENSAT, Avenue de l'Agrobiopole, 31326 Castanet Tolosan, France; CNRS, EcoLab, 31326 Castanet Tolosan, France
| | - P Gonzalez
- Université Bordeaux, UMR CNRS 5805 EPOC, équipe Ecotoxicologie Aquatique EA, Place du Dr. B. Peyneau, 33120 Arcachon, France
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Karray S, Tastard E, Moreau B, Delahaut L, Geffard A, Guillon E, Denis F, Hamza-Chaffai A, Chénais B, Marchand J. Transcriptional response of stress-regulated genes to industrial effluent exposure in the cockle Cerastoderma glaucum. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:17303-17316. [PMID: 25613800 DOI: 10.1007/s11356-015-4108-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 01/11/2015] [Indexed: 06/04/2023]
Abstract
This study assessed the responses of molecular biomarkers and heavy metal levels in Cerastoderma glaucum exposed for 1 week to two industrial effluents (1%) discharged into the Tunisian coastal area, F1 and F2, produced by different units of production of a phosphate treatment plant. A significant uptake of metals (Cd, Cu, Zn, and Ni) was observed in exposed cockles compared to controls, with an uptake higher for F1 than for F2. A decrease in LT50 (stress on stress test) was also observed after an exposure to the effluent F1. Treatments resulted in different patterns of messenger RNA (mRNA) expression of the different genes tested in this report. Gene transcription monitoring performed on seven genes potentially involved in the tolerance to metal exposure showed that for both exposures, mechanisms are rapidly and synchronically settled down to prevent damage to cellular components, by (1) handling and exporting out metal ions through the up-regulation of ATP-binding cassette xenobiotic transporter (ABCB1) and metallothionein (MT), (2) increasing the mRNA expression of antioxidant enzymes (catalase (CAT), superoxide dismutases, CuZnSOD and MnSOD), (3) protecting and/or repairing proteins through the expression of heat shock protein 70 (HSP70) mRNAs, and (4) increasing ATP production (through the up-regulation of cytochrome c oxidase 1 (CO1)) to provide energy for cells to tolerate stress exposure. The tools developed may be useful both for future control strategies and for the use of the cockle C. glaucum as a sentinel species.
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Affiliation(s)
- Sahar Karray
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
| | - Emmanuelle Tastard
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
| | - Brigitte Moreau
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
| | - Laurence Delahaut
- UMR-I 02 Stress Environnementaux et Biosurveillance des Milieux aquatiques (SEBIO), Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687, Reims Cedex 2, France
| | - Alain Geffard
- UMR-I 02 Stress Environnementaux et Biosurveillance des Milieux aquatiques (SEBIO), Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687, Reims Cedex 2, France
| | - Emmanuel Guillon
- UMR 7312 CNRS-URCA Institut de Chimie Moléculaire de Reims (ICMR) Groupe Chimie de Coordination, Université de Reims Champagne-Ardenne, Moulin de la Housse, BP 1039, 51687, Reims Cedex 2, France
| | - Françoise Denis
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
- UMR 7208 CNRS-MNHN-IRD-UPMC, Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Concarneau, France
| | - Amel Hamza-Chaffai
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
| | - Benoît Chénais
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France
| | - Justine Marchand
- EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, Université du Maine - Le Mans, 72085, Le Mans Cedex, France.
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16
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Karray S, Marchand J, Moreau B, Tastard E, Thiriet-Rupert S, Geffard A, Delahaut L, Denis F, Hamza-Chaffai A, Chénais B. Transcriptional response of stress-regulated genes to cadmium exposure in the cockle Cerastoderma glaucum from the gulf of Gabès area (Tunisia). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:17290-17302. [PMID: 25523290 DOI: 10.1007/s11356-014-3971-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2014] [Accepted: 12/08/2014] [Indexed: 06/04/2023]
Abstract
This study investigates cadmium effects on key messenger RNA (mRNA) expression (MT, MnSOD, CuZnSOD, CAT, ABCB1, HSP70, and CO1) by qPCR in the cockle Cerastoderma glaucum after chronic exposure to two high but environmentally relevant concentrations of CdCl2 (50 μg/L and 5 mg/L) for 12 h to 18 days. Cd accumulation measured in cockles' tissues is significantly higher in both treatment conditions compared to controls and in a dose-dependent manner. Stress on stress tests performed at different times of the experiment clearly demonstrated that exposure to both concentrations of Cd significantly affects cockle survival time in air. Important changes in gene transcription were also highlighted. In particular, MT, HSP70, CAT, and CuZnSOD seem to be relevant biomarkers of Cd exposure because (1) their mRNA levels increase upon exposure and (2) they are highly correlated to Cd accumulation in tissues. Results may be useful for control strategies and for the use of cockles as sentinel organisms.
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Affiliation(s)
- Sahar Karray
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
| | - Justine Marchand
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France.
| | - Brigitte Moreau
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
| | - Emmanuelle Tastard
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
| | - Stanislas Thiriet-Rupert
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
| | - Alain Geffard
- EA 4689 Interactions Animal Environnement, Université de Reims-Champagne Ardenne, BP 1039, 51687, Reims Cedex 2, France
| | - Laurence Delahaut
- EA 4689 Interactions Animal Environnement, Université de Reims-Champagne Ardenne, BP 1039, 51687, Reims Cedex 2, France
| | - Françoise Denis
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
- UMR 7208 CNRS-MNHN-IRD-UPMC Biologie des Organismes et des Ecosystèmes Aquatiques (BOREA), Concarneau, France
| | - Amel Hamza-Chaffai
- Laboratoire d'Ecotoxicologie Marine et Environnementale, Université de Sfax, Sfax, Tunisia
| | - Benoît Chénais
- Université du Maine - Le Mans, EA 2460 Mer Molécules Santé, Institut Universitaire Mer et Littoral - FR3473 CNRS, 72085, Le Mans Cedex, France
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17
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Arini A, Gourves PY, Gonzalez P, Baudrimont M. Metal detoxification and gene expression regulation after a Cd and Zn contamination: an experimental study on Danio rerio. CHEMOSPHERE 2015; 128:125-133. [PMID: 25698290 DOI: 10.1016/j.chemosphere.2015.01.022] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/23/2014] [Revised: 01/09/2015] [Accepted: 01/14/2015] [Indexed: 06/04/2023]
Abstract
This study aimed to demonstrate the recovery potential of Danio rerio after Cd and Zn contaminations. Fish demonstrated high accumulation capacities of Cd with concentrations reaching 3716.4±578.6 μg Cd/kg FW in gills after 15 d of contamination. The 75-day decontamination failed to completely eliminate Cd (93.4% and 82.2% eliminated respectively in the gills of fish exposed to Cd and Cd/Zn) whereas Zn, poorly accumulated, was quickly depurated. The fast Cd depuration in the gills likely resulted from a metal transfer to the liver. MT response was clearly correlated to the Zn contamination, while genetic responses were more pronounced in case of Cd contamination. Cd induced over-expressions of genes involved against oxidative stress (sod, sodmt), and involved in detoxification mechanisms (mt1, mt2), mitochondrial mechanisms (cox1) and DNA repair (rad51 and gadd45). Zn binary contamination with Cd was demonstrated to provide protective effects on Cd-induced toxicity in D.rerio. Results highlighted that the genetic response was metal- and tissue-dependent. The brain and the muscles showed very few genetic responses, probably due to the low bioaccumulations measured in these tissues. Conversely, genes expressed in gills and liver of fish exposed to Cd were strongly affected (sod×3 and×12, mt1×11 and ×30 at T3 respectively in gills and liver). However, after 14-30 d of depuration, genes were no longer over expressed in response to Cd contamination in gills and liver of fish exposed to Cd and Cd/Zn conditions, suggesting an gene expression regulation of fish to the residual Cd contamination.
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Affiliation(s)
- A Arini
- University of Bordeaux 1, Laboratoire d'Ecotoxicologie Aquatique, UMR CNRS 5805, Place du Dr. Peyneau, Arcachon 33120, France
| | - P Y Gourves
- University of Bordeaux 1, Laboratoire d'Ecotoxicologie Aquatique, UMR CNRS 5805, Place du Dr. Peyneau, Arcachon 33120, France
| | - P Gonzalez
- University of Bordeaux 1, Laboratoire d'Ecotoxicologie Aquatique, UMR CNRS 5805, Place du Dr. Peyneau, Arcachon 33120, France
| | - M Baudrimont
- University of Bordeaux 1, Laboratoire d'Ecotoxicologie Aquatique, UMR CNRS 5805, Place du Dr. Peyneau, Arcachon 33120, France.
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Yang M, Pan C, Bo J, Wang K. Regulation of metallothionein gene expression in response to benzo[a]pyrene exposure and bacterial challenge in marine cultured black porgy (Acanthopagrus schlegelii). ACTA ACUST UNITED AC 2014. [DOI: 10.1007/s11631-014-0705-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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19
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Arini A, Daffe G, Gonzalez P, Feurtet-Mazel A, Baudrimont M. Detoxification and recovery capacities of Corbicula fluminea after an industrial metal contamination (Cd and Zn): a one-year depuration experiment. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2014; 192:74-82. [PMID: 24892228 DOI: 10.1016/j.envpol.2014.04.012] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Revised: 03/03/2014] [Accepted: 04/04/2014] [Indexed: 06/03/2023]
Abstract
This study aimed to assess the recovery capacity of the freshwater bivalve Corbicula fluminea subjected to industrial metal discharges (Cd, Zn). After a 24-day exposure in a metal-contaminated river, bivalves were transferred and maintained in the laboratory for one year under metal-free conditions. Metal accumulation, metallothionein production and genetic expressions of genes involved in metal stress were studied. Results demonstrated the high persistence of Cd in tissues (only 73% eliminated after 365 days) whereas Zn was rapidly depurated. The Cd half-life was estimated around 240 days. Metallothioneins were strongly induced within the 28 first days of decontamination, then decreased by 45% after 365 days. The metal exposure of bivalves led to a significant gene induction. After 28 days, most of the genes were no longer overexpressed, suggesting that the bivalves may withstand small amounts of non-essential metals in their tissues without showing signs of detrimental effects on the tested genes.
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Affiliation(s)
- A Arini
- University of Bordeaux 1, UMR CNRS 5805 EPOC, Place du Docteur Peyneau, 33120 Arcachon, France
| | - G Daffe
- CNRS, EPOC, UMR 5805, 33405 Talence, Cedex, France
| | - P Gonzalez
- CNRS, EPOC, UMR 5805, 33405 Talence, Cedex, France
| | - A Feurtet-Mazel
- University of Bordeaux 1, UMR CNRS 5805 EPOC, Place du Docteur Peyneau, 33120 Arcachon, France
| | - M Baudrimont
- University of Bordeaux 1, UMR CNRS 5805 EPOC, Place du Docteur Peyneau, 33120 Arcachon, France.
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Sassi A, Darias MJ, Said K, Messaoudi I, Gisbert E. Cadmium exposure affects the expression of genes involved in skeletogenesis and stress response in gilthead sea bream larvae. FISH PHYSIOLOGY AND BIOCHEMISTRY 2013; 39:649-659. [PMID: 23053610 DOI: 10.1007/s10695-012-9727-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2012] [Accepted: 09/24/2012] [Indexed: 06/01/2023]
Abstract
Gilthead sea bream larvae (Sparus aurata) aged 47 days post hatching (dph) (11.6-12.8 mg in wet weight) were exposed to several sublethal concentrations of Cd(2+) (0.1, 5 and 10 mg/L) during 6 days in order to investigate the effects of this heavy metal on the expression of selected genes involved in detoxification (metallothionein-mt, glutathione peroxidase 1-gpx1), stress response (heat shock protein 70-hsp70, tumour necrosis factor α-tnfα) and ossification (osteocalcin-oc) processes. For this purpose, specimens of 47 dph were exposed first for 72 h from 0.1 to 20 mg/L of Cd(2+) in order to evaluate the median lethal concentration (LC(50)) for this metal, which was determined at 15.32 mg/L. Considering the results regarding the relative transcript levels of gpx1 and hsp70, Cd(2+) at any of the tested levels (0.1, 5 and 10 mg/L) did not induce oxidative stress in gilthead sea bream larvae, whereas relative transcript levels of mt were increased at 5 and 10 mg/L of Cd(2+) probably to detoxify this metal excess. Relative transcript levels of tnfα were not level dependent and were down-regulated in larvae exposed to 5 and 10 mg/L of Cd(2+). At those concentrations, transcript levels of oc were down-regulated suggesting a disruption in bone mineralization. Results from this study provided insights in some molecular mechanisms underlying Cd(2+)-induced toxicity in fish at early stages of development. This is the first study to show that cadmium contamination can depress oc expression in teleosts.
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Affiliation(s)
- Asma Sassi
- Laboratoire LR11ES41: Génétique, Biodiversité et Valorisation des Bioressources, Institut Supérieur de Biotechnologie, Université de Monastir, 5000 Monastir, Tunisia.
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21
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Cardoso PG, Grilo TF, Pereira E, Duarte AC, Pardal MA. Mercury bioaccumulation and decontamination kinetics in the edible cockle Cerastoderma edule. CHEMOSPHERE 2013; 90:1854-1859. [PMID: 23141557 DOI: 10.1016/j.chemosphere.2012.10.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2012] [Revised: 09/27/2012] [Accepted: 10/05/2012] [Indexed: 06/01/2023]
Abstract
Mercury bioaccumulation and decontamination kinetics in the edible cockle Cerastoderma edule were studied through a mesocosms experiment after a medium-term exposure to the metal. The results revealed that the bivalve presented distinct bioaccumulation kinetics according to the different tissues. While the gills showed a linear accumulation pattern, the digestive gland and the entire organism presented a saturation model, with higher accumulation during the first 7d of exposure and lower during the rest of the time. In addition, the bioaccumulation rate was not proportional to the Hg concentration, since the organisms under lower contamination presented higher bioconcentration factors than the ones under higher contamination. Gills were the tissues with higher mercury accumulation capability. Concerning the decontamination phase, C. edule lost approximately 80% of the mercury after 24h exposure in clean seawater. Nevertheless, never reached the original condition, showing in the final (20 d detox), Hg levels (>0.5 ppm) higher than those allowed by the legislation regulating human food consumption. This represents a matter of concern for Human health.
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Affiliation(s)
- P G Cardoso
- IMAR, CMA, Marine and Environmental Research Centre, Department of Life Sciences, University of Coimbra, PO Box 3046, 3001-401 Coimbra, Portugal.
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Nilin J, Pestana JLT, Ferreira NG, Loureiro S, Costa-Lotufo LV, Soares AMVM. Physiological responses of the European cockle Cerastoderma edule (Bivalvia: Cardidae) as indicators of coastal lagoon pollution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 435-436:44-52. [PMID: 22846762 DOI: 10.1016/j.scitotenv.2012.06.107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2012] [Revised: 06/19/2012] [Accepted: 06/28/2012] [Indexed: 06/01/2023]
Abstract
Physiological responses can be used as effective parameters to identify environmentally stressful conditions. In this study, physiology changes such as oxygen consumption, clearance rate, survival in air, condition index and energy reserves were measured on natural populations of cockles collected from different sites at Ria de Aveiro, Portugal. At those sites, sediment samples were collected for Hg concentration analysis. Cockles were used for the evaluation of both the Hg concentration and physiological response. Mercury was detected in the cockle tissue and in the sediment collected from the sampling points both nearby and distant from the main mercury contamination source. The energy content was negatively correlated with both Hg concentration in cockle tissues and survival in air. Nonetheless, the energy content was positively correlated with the condition index, and there was a positive correlation between the survival in air test and the tissue mercury concentration. A PCA-factor analysis explained 86.8% of the total variance. The principal factor (62.7%) consisted of the air survival, the Hg in soft tissues (positive) and the condition index (negative). The second factor (24.1%) consisted of a negative correlation between the oxygen consumption and the clearance rate. Due to their sensitivity to environmental conditions, the physiological responses of cockles can be used to assess the ecological status of aquatic environments. More effort should be invested in investigating the effects of environmental perturbations on cockle health once they are a good reporter organism.
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Affiliation(s)
- Jeamylle Nilin
- Laboratory of Marine Ecotoxicology, Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará, 60165-081 Fortaleza-Ceará-Brazil
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Nilin J, Monteiro M, Domingues I, Loureiro S, Costa-Lotufo LV, Soares AMVM. Bivalve esterases as biomarker: identification and characterization in European cockles (Cerastoderma edule). BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2012; 88:707-711. [PMID: 22241547 DOI: 10.1007/s00128-012-0521-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2011] [Accepted: 01/05/2012] [Indexed: 05/31/2023]
Abstract
This study characterized esterase activity in Cerastoderma edule tissues using different substrates and specific inhibitors and identified the tissue distribution of esterases in this species. Synthetic thiocholines and thioacetate esters and specific inhibitors (eserine, BW284C51 and iso-OMPA) were used to identify and quantify cholines and carboxyl esterases. The results demonstrated the presence of a non-specific propionyl thiocholine (PrSCh)-cleaving cholinesterase (ChE) and a large amount of carboxylesterases (CaE). For further studies using C. edule esterases as biomarkers, our results suggest that the adductor muscle, with PrSCh (5 mM) as substrate should be used to analyze ChE, and for CaE analyses, phenyl thioacetate should be used in digestive gland extracts (PSA, 5 mM).
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Affiliation(s)
- Jeamylle Nilin
- Laboratory of Marine Ecotoxicology, Instituto de Ciências do Mar (LABOMAR), Universidade Federal do Ceará, Fortaleza, Ceará, 60165-081, Brazil
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Ladhar-Chaabouni R, Machreki-Ajmi M, Hamza-Chaffai A. Use of metallothioneins as biomarkers for environmental quality assessment in the Gulf of Gabès (Tunisia). ENVIRONMENTAL MONITORING AND ASSESSMENT 2012; 184:2177-2192. [PMID: 21611846 DOI: 10.1007/s10661-011-2108-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/20/2010] [Accepted: 04/26/2011] [Indexed: 05/30/2023]
Abstract
Detection and assessment of the impact of pollution on biological resources imply increasing research on early-warning markers such as metallothioneins (MTs) in metal exposure. In this paper, we have collated published information on the use of metallothioneins and metallothionein-like proteins (MTLPs) as biomarkers for environmental quality assessment in the Gulf of Gabès. In this area, some species of fish and bivalve were used as bioindicators of pollution. In these species, an induction of MTs/MTLPs by the essential metals such as Cu and Zn and the non-essential metals such as Cd was observed by different authors who suggest the potential use of these proteins as biomarkers. However, MT concentrations can be influenced by many biotic (sex, maturity stages, and tissues) and abiotic factors (temperature, salinity, and pH). This is essentially the case in field studies where many parameters can randomly affect MT levels, so the endogeneous regulation of MTs must be considered before using MTs as an indicator of heavy metal exposure. Moreover, the use of biomarker cannot be examined independently of the evaluation of techniques that enable its quantification. Therefore, the approach to the use of MTs/MTLP as biomarkers of exposure for an assessment of the physiological status of aquatic organisms is discussed in this paper.
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Affiliation(s)
- Rim Ladhar-Chaabouni
- UR 09-03 Marine Environmental Toxicology, Sfax University, IPEIS BP 1172, 3018, Sfax, Tunisia.
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Freitas R, Costa E, Velez C, Santos J, Lima A, Oliveira C, Maria Rodrigues A, Quintino V, Figueira E. Looking for suitable biomarkers in benthic macroinvertebrates inhabiting coastal areas with low metal contamination: comparison between the bivalve Cerastoderma edule and the Polychaete Diopatra neapolitana. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 75:109-118. [PMID: 21890202 DOI: 10.1016/j.ecoenv.2011.08.019] [Citation(s) in RCA: 68] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2011] [Revised: 08/16/2011] [Accepted: 08/20/2011] [Indexed: 05/31/2023]
Abstract
Metals accumulated in marine sediments are often a threat to benthic communities. With the recognized importance and wide use of stress biochemical responses as indicators of metal contamination it becomes essential to compare these markers between different species and verify their ubiquity and accuracy. Using wild Diopatra neapolitana and Cerastoderma edule, collected at several areas differing in metal contamination, this study aimed to assess the use of these two macrobenthic species as sentinel organisms and to determine the applicability of currently used biomarkers in benthic species exposed to a range of low metal and As concentrations. Total metal accumulation and intracellular partitioning was analyzed and metal-induced alterations were assessed through the analysis of several biochemical parameters in both organisms, including stress-induced reactive oxygen species (ROS), lipid peroxidation and protein content, the activity of antioxidant enzymes catalase (CAT), superoxide dismutase (SOD) and of glutathione S-transferase (GST). Metal chelation by Metallothioneins (MTs) was also determined. Results revealed that D. neapolitana accumulated higher levels of metals when compared to C. edule, independently of the sediment concentration. Results also showed strong species-specific responses to metals and differences in the ability to sequester metals. Overall, C. edule showed to be more efficient metal chelator and precipitatior than D. neapolitana, which was less tolerant and presented oxidative stress. MTs proved to be a good predictor of metal accumulation in both species, even under low metal exposures. On the other hand, lipid peroxidation was a good indicator of oxidative damage, only observed in D. neapolitana, which was a result of higher metal retention in the soluble fraction.
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Affiliation(s)
- Rosa Freitas
- Departamento de Biologia, Universidade de Aveiro, Aveiro, Portugal
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Pytharopoulou S, Grintzalis K, Sazakli E, Leotsinidis M, Georgiou CD, Kalpaxis DL. Translational responses and oxidative stress of mussels experimentally exposed to Hg, Cu and Cd: one pattern does not fit at all. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2011; 105:157-165. [PMID: 21718659 DOI: 10.1016/j.aquatox.2011.06.007] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 05/31/2011] [Accepted: 06/03/2011] [Indexed: 05/31/2023]
Abstract
Certain metals, like Hg, Cu and Cd, are capable of down-regulating protein synthesis in several marine organisms, including Mytilus galloprovincialis. Nevertheless, due to the complexity of the environmental stress, it is difficult to evaluate the influence of individual metals on protein synthesis via field studies. To bypass this difficulty, experimental studies were carried out on M. galloprovincialis exposed in aquarium for 15 days to one of three selected metal salts, HgCl(2), CuCl(2) and CdCl(2). Polysome profile was determined in digestive gland extracts of the exposed mussels as a way of measuring the functional status of ribosomes, superoxide radical production and lipid peroxidation as indicators of oxidative stress, metallothionein content as a metal detoxification index, and superoxide dismutase activity as a free radicals-scavenging index. Exposure of mussels to Hg(2+) or Cu(2+) resulted in a concentration- and time-dependent decrease in the polysome content of digestive gland cells, which at 15th day of exposure and at the highest metal concentrations tested, was 32% and 19% of the control, respectively. Both metals, at the concentrations used (<40 μg/L), did not significantly influence the oxidative stress biomarkers. By contrast, Cd(2+) treatment significantly induced superoxide radical production and lipid peroxidation in digestive gland cells, hinting that mussels suffered from oxidative stress. Polysome levels in Cd(2+)-exposed mussels were initially decreased by day 5 in digestive gland cells and then elevated to reach nearly the control levels by 15 days of exposure. Elevated protein synthesis was associated with significantly increased production of metallothioneins, whereas such increase was not recorded in Hg(2+)- or Cu(2+)-exposed mussels. Interestingly, the ribosome efficiency at initiating protein synthesis followed a similar pattern of polysome alterations, a fact suggesting that regulation of protein synthesis mainly occurred at the initiation phase of translation. Overall, these results suggest that the effect of each metal on protein synthesis is idiosyncratic and depends on its ability to induce specific cellular defense mechanisms against oxidative stress.
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Affiliation(s)
- Sofia Pytharopoulou
- Laboratory of Biochemistry, School of Medicine, University of Patras, 26504 Patras, Greece
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