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Botêlho de Araújo CB, Alves de Mendonça S, de Lima Viana D, da Fontoura Martins M, Costa PG, Bianchini A, Vasconcelos de Oliveira PG, Torres RA, Vieira Hazin FH, Adam ML. Effects of blood metal(loid) concentrations on genomic damages in sharks. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 359:124569. [PMID: 39025294 DOI: 10.1016/j.envpol.2024.124569] [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: 05/06/2024] [Revised: 07/05/2024] [Accepted: 07/16/2024] [Indexed: 07/20/2024]
Abstract
The use of effect biomarkers has contributed to the understanding of the sublethal effects of contaminants on different organisms. However, the analysis of genotoxic markers as an indicator of organism and environmental health in sharks is underexplored. Thus, the present study investigated the relationship between the genomic damage frequency in erythrocytes and metal(loid) concentrations in whole blood of three shark species (Galeocerdo cuvier, Negaprion brevirostris and Ginglymostoma cirratum), taking into account climatic seasonality. The results showed that G. cuvier, an apex predator, presented the highest total erythrocyte genomic damage frequencies together with the highest mean whole blood concentrations of Al, Cd, Cr, Fe, Mn, Ni, Pb and Zn. The shark N. brevirostris also presented high levels of metal(loid), indicating a greater susceptibility to these contaminants in species that preferentially feed on fish. In contrast, G. cirratum, a mesopredator, presented the lowest erythrocyte damage frequencies and whole blood metal(loid) concentrations. The presence of micronuclei was the most responsive biomarker, and Al, As and Zn had an important effect on the genomic damage frequencies for all species evaluated. Zn concentration influenced the binucleated cells frequencies and Al concentration had an effect on the total damage and micronuclei frequencies in G. cuvier and N. brevirostris. Binucleated cells and blebbed nuclei frequencies were affected by As concentration, especially in G. cirratum, while showing a strong and positive correlation with most of the metals analyzed. Nonetheless, baseline levels of metal(loid) blood concentrations and erythrocyte genomic damage frequencies in sharks have not yet been established. Therefore, minimum risk levels of blood contaminants concentrations on the health of these animals have also not been determined. However, the high genomic instability observed in sharks is of concern considering the current health status of these animals, as well as the quality of the environment studied.
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Affiliation(s)
- Camila Brasilino Botêlho de Araújo
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil; Evolutionary and Environmental Genomics Laboratory, Federal Technological University of Paraná, Av. dos Pioneiros, 3131, Jardim Morumbi, 86036-370, Londrina, Paraná, Brazil.
| | - Sibele Alves de Mendonça
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Danielle de Lima Viana
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Mariana da Fontoura Martins
- Institute of Biological Sciences, Federal University of Rio Grande, Avenida Itália, km 8, 96203-900, Rio Grande, Rio Grande do Sul, Brazil.
| | - Patrícia Gomes Costa
- Institute of Biological Sciences, Federal University of Rio Grande, Avenida Itália, km 8, 96203-900, Rio Grande, Rio Grande do Sul, Brazil.
| | - Adalto Bianchini
- Institute of Biological Sciences, Federal University of Rio Grande, Avenida Itália, km 8, 96203-900, Rio Grande, Rio Grande do Sul, Brazil.
| | - Paulo Guilherme Vasconcelos de Oliveira
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Rodrigo Augusto Torres
- Evolutionary and Environmental Genomics Laboratory, Federal Technological University of Paraná, Av. dos Pioneiros, 3131, Jardim Morumbi, 86036-370, Londrina, Paraná, Brazil.
| | - Fábio Hissa Vieira Hazin
- Laboratory of Fisheries Oceanography, Department of Fisheries and Aquaculture, Federal Rural University of Pernambuco, Rua Dom Manuel de Medeiros, Dois Irmãos, 52.171-030, Recife, Pernambuco, Brazil.
| | - Mônica Lúcia Adam
- Evolutionary and Environmental Genomics Laboratory, Federal Technological University of Paraná, Av. dos Pioneiros, 3131, Jardim Morumbi, 86036-370, Londrina, Paraná, Brazil.
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Kwong RWM. Trace metals in the teleost fish gill: biological roles, uptake regulation, and detoxification mechanisms. J Comp Physiol B 2024:10.1007/s00360-024-01565-1. [PMID: 38916671 DOI: 10.1007/s00360-024-01565-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Revised: 05/10/2024] [Accepted: 05/21/2024] [Indexed: 06/26/2024]
Abstract
In fish, the gill plays a vital role in regulating the absorption of trace metals and is also highly susceptible to metal toxicity. Trace metals such as iron (Fe), copper (Cu), zinc (Zn), and manganese (Mn) are involved in various catalytic activities and molecular binding within the gill, thereby supporting a range of physiological processes in this organ. While beneficial at normal levels, these metals can become toxic when present in excess. Conversely, nonessential metals like cadmium (Cd) and lead (Pb) can gain entry into gill cells through similar metal transport pathways, potentially interfering with various cellular processes. The transepithelial transport of these metals across the gill epithelium is governed by a variety of metal transport and metal binding proteins. These include the Cu transporter 1 (CTR1), divalent metal transporter 1 (DMT1), and members of the Zrt-/Irt-like protein (ZIP) and zinc transport (ZnT) families. Additionally, some of these metals can compete with major ions (e.g., calcium, sodium) for absorption sites in the gill. This complex crosstalk suggests an interdependent mechanism that balances metal uptake to meet physiological needs while preventing excessive accumulation. In this article, I review the roles of trace metals in proteins/enzymes that support the different functions in the gill of teleost fish. I also discuss current understanding of the pathways involved in regulating the branchial uptake of metals and their influence on ionic regulation, and the potential detoxification mechanisms in the gill. Finally, I summarize knowledge gaps and potential areas for further investigation.
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Affiliation(s)
- Raymond W M Kwong
- Department of Biology, York University, 4700 Keele Street, Toronto, ON, M3J 1P3, Canada.
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3
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Muñoz-Peñuela M, Lo Nostro FL, Gomes ADO, Tolussi CE, Lozano I, Moreira RG. A biomarker approach to study the effects of polluted Brazilian urban reservoirs in a native fish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 923:171500. [PMID: 38447713 DOI: 10.1016/j.scitotenv.2024.171500] [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: 04/27/2023] [Revised: 02/29/2024] [Accepted: 03/03/2024] [Indexed: 03/08/2024]
Abstract
Two of the largest water reservoirs in the Metropolitan Region of São Paulo, Brazil (MRSP), named Billings and Guarapiranga, are facing high levels of anthropic impact. This is evidenced by the presence of contaminants and pollutants, which are deteriorating their water quality. Therefore, this study evaluated antioxidant defense enzymes, lipoperoxidation and genotoxicity, in adult females of a native species, Astyanax altiparanae from the Guarapiranga and Billings reservoirs. The study also aimed to evaluate these biomarkers during two different periods of the year, the rainy (summer) and dry (winter) seasons. The oxidative stress was evaluated by the activity of enzymes such as glutathione peroxidase, glutathione S-transferases, superoxide dismutase, and catalase in the gills and liver, and the occurrence of lipoperoxidation was also evaluated in both organs. The genotoxicity was assessed by performing comet assay, micronucleus, and nuclear abnormality tests on blood samples. The results showed that fish from both reservoirs are subjected to oxidative stress and genotoxic damage, mainly during winter, but fish living in Billings showed greater alterations than fish from Guarapiranga. Likewise, the results of the principal component analysis suggested that caffeine, nitrogenous compounds, and some metals might be triggering these toxic effects in fish.
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Affiliation(s)
- Marcela Muñoz-Peñuela
- Universidade de São Paulo, Instituto de Biociências, Departamento de Fisiologia, São Paulo, Brazil.
| | - Fabiana Laura Lo Nostro
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Ecotoxicología Acuática and IBBEA, CONICET-UBA, Ciudad Universitaria, Buenos Aires, Argentina
| | - Aline Dal Olio Gomes
- Universidade Estadual Paulista, Instituto de Biociências, Departamento de Biodiversidade, Rio Claro, SP, Brazil
| | | | - Ismael Lozano
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Ecotoxicología Acuática and IBBEA, CONICET-UBA, Ciudad Universitaria, Buenos Aires, Argentina
| | - Renata Guimarães Moreira
- Universidade de São Paulo, Instituto de Biociências, Departamento de Fisiologia, São Paulo, Brazil
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Pourmoradkhani F, Sarvi Moghanlou K, Sohrabi T, Imani A, Gholizadeh V, Pourahad Anzabi M. Supplementation of Siberian sturgeon (Acipenser baerii) diet with different zinc sources: effects on growth performance, digestive enzymes activity, hemato-biochemical parameters, antioxidant response and liver histology. Vet Res Commun 2024; 48:797-810. [PMID: 37923869 DOI: 10.1007/s11259-023-10252-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2023] [Accepted: 10/30/2023] [Indexed: 11/06/2023]
Abstract
An 8-week feeding trial was carried out to examine the effect of different sources of dietary Zn on some physiological responses (performance, digestive enzymes activity, hemato-biochemical parameters, antioxidant status and liver histology) of Siberian sturgeon, Acipenser baerii. For this purpose, fish with an average weight of 100 g ± 5 were randomly allocated into four groups including control, inorganic zinc (Zn-sulfate), organic zinc (Zn-gluconate), and zinc-oxide nanoparticles (ZnO-NPs) at 50 mg Zn kg- 1 feed. Improved growth indices, namely weight gain (WG) and specific growth rate (SGR) and feed conversion ratio (FCR) were observed in fish fed Zn-gluconate supplemented diet (P < 0.0.5). The highest digestive enzymes activity was recorded in fish fed Zn-gluconate supplementation (P < 0.0.5). Hematological indices significantly increased in fish fed diet containing ZnO-NPs (P < 0.0.5). Serum aspartate aminotransferase (AST) and alanine aminotransferase (ALT) of fish fed ZnO-NPs contained diet were the highest (P < 0.0.5). The highest serum superoxide dismutase (SOD) and catalase (CAT) enzymes activity were observed in fish fed ZnO-NPs and inorganic/organic Zn contained diets, respectively. While liver tissue SOD and glutathione peroxidase (GPx) enzymes activity Zn were significantly increased in fish fed inorganic/organic Zn supplemented diet (P < 0.0.5). Based on liver histological results, a severe tissue changes such as necrosis and pyknosis were observed in fish fed with Zn-sulfate in comparison to other forms. In conclusion, the data of the present study confirmed that organic Zn (mainly) and nano-Zn (to some extent) could be more efficient Zn sources in Siberian sturgeon.
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Affiliation(s)
| | | | - Tooraj Sohrabi
- International Sturgeon Research Institute, Iranian Fisheries Sciences Research Institute, Agricultural Research Education and Organization (AREEO), Tehran, Iran , Rasht, Iran
| | - Ahmad Imani
- Department of Fisheries, Faculty of Natural Resources, Urmia University, Urmia, Iran
| | - Vahid Gholizadeh
- Department of Fisheries, Faculty of Natural Resources, Urmia University, Urmia, Iran
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Khalid A, Galobart C, Rubio-Gracia F, Atli G, Guasch H, Vila-Gispert A. A trait-based approach to determine the risks of Zn to the overall health status of native fish species Barbus meridionalis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 262:106661. [PMID: 37611456 DOI: 10.1016/j.aquatox.2023.106661] [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: 06/01/2023] [Revised: 08/03/2023] [Accepted: 08/11/2023] [Indexed: 08/25/2023]
Abstract
Fish adapt to changing environments by maintaining homeostasis or making energy trade-offs that impact fitness. We investigated the effect of Zn on the fitness and physiology of Barbus meridionalis, a native cyprinid fish species, under two exposure scenarios. The Osor stream's mine-effluent reach represented long-term (chronic) exposure, while the upstream reach served as a control/acute exposure. Acute exposure involved exposing B. meridionalis to 1mg/L Zn for 96 h in the laboratory. We examined physiological traits (Standard metabolic rate SMR, Maximum metabolic rate MMR, Absolute Aerobic scope AAS, Critical swimming capacity Ucrit) and antioxidant system, AS (Superoxide dismutase, SOD; Catalase, CAT; Glutathione peroxidase, GPX; Glutathione-S-transferase, GST; Glutathione, GSH; Thiobarbaturic acid reactive substances, TBARS) biomarkers. The results indicated that Zn had no significant effect on osmoregulatory cost (SMR) in either exposure scenario but impaired energetically costly exercise (low MMR). AAS reduction in both exposure groups suggested compromised energy allocation for life-history traits, evidenced by decreased locomotor performance (Ucrit) after acute exposure. Tissue-specific and time-dependent responses were observed for AS biomarkers. The fish exhibited ineffective control of oxidative damage, as evidenced by high TBARS levels in the liver and gills, despite increased CAT and GSH in the liver under acute conditions. Our findings demonstrate differential responses at the subcellular level between the two exposure scenarios, while trait-based endpoints followed a similar pattern. This highlights the utility of a trait-based approach as a supplementary endpoint in biomonitoring studies, which provides insights into impacts on individual fitness and population demography.
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Affiliation(s)
- Amina Khalid
- GRECO, Institute of Aquatic Ecology, University of Girona, Girona, Spain.
| | - Cristina Galobart
- Centro de Estudios Avanzados de Blanes (CEAB), Spanish National Research Council (CSIC), Spain
| | | | - Guluzar Atli
- Biotechnology Center, Cukurova University, Adana, Turkey; Vocational School of Imamoğlu, Cukurova University, Adana, Turkey.
| | - Helena Guasch
- Centro de Estudios Avanzados de Blanes (CEAB), Spanish National Research Council (CSIC), Spain
| | - Anna Vila-Gispert
- GRECO, Institute of Aquatic Ecology, University of Girona, Girona, Spain
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Levallois A, Costil K, Caplat C, Basuyaux O, Lebel JM, Guegan C, Serpentini A. Comparative effects of trace metal elements released from dissolution of aluminum-based galvanic anodes, aluminum chloride, zinc chloride, and their mixture on the development of the Pacific oyster D-larvae, Crassostrea gigas. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:101535-101545. [PMID: 37651018 DOI: 10.1007/s11356-023-29566-7] [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: 02/03/2023] [Accepted: 08/24/2023] [Indexed: 09/01/2023]
Abstract
As the most abundant metal in the earth's crust, aluminum (Al) is used in many sectors, and nowadays, there is an increase in anthropogenic releases to aquatic ecosystems. This is particularly true in the context of corrosion protection systems involving galvanic anodes, which are mostly made of Al. Corroded instead of the steel structures they protect, galvanic anodes are described as sacrificial anodes. In contact with seawater, they undergo oxidation and release various metals in the form of ions or oxy-hydroxides into the marine environment, mainly Al and zinc (Zn). Several studies agree that Al increases the incidence of abnormal development in bivalve larvae from 150 μg L-1 which is close to the highest Al concentrations recorded in coastal waters. Therefore, we studied the impact of the cocktail of metals released by aluminum-based galvanic anodes on the development of Crassostrea gigas larvae, which we compared to the effects of aluminum chloride hexahydrate and zinc chloride alone and their mixture. The anode solution was realized thanks to an experimental device simulating the dissolution of a galvanic anode in the marine environment in order to reproduce the cocktail of metal species. We calculated an EC50 of 193.55 μg L-1 and 100.05 μg L-1 for Al and Zn chloride alone, respectively, and we highlighted an EC50 of 190.22 μg L-1 for the galvanic anode based on Al concentration. The mixture of the two metals in their chloride form resulted in the observation of additive and synergistic effects, which underlines the importance of considering the cocktail effect in ecotoxicological studies.
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Affiliation(s)
- Alexandre Levallois
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie UNICAEN, Sorbonne Université, MNHN, UPMC Univ Paris 06, UA, CNRS 8067, IRD, Esplanade de la Paix, F-14032, Caen, France
| | - Katherine Costil
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie UNICAEN, Sorbonne Université, MNHN, UPMC Univ Paris 06, UA, CNRS 8067, IRD, Esplanade de la Paix, F-14032, Caen, France
| | - Christelle Caplat
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie UNICAEN, Sorbonne Université, MNHN, UPMC Univ Paris 06, UA, CNRS 8067, IRD, Esplanade de la Paix, F-14032, Caen, France
| | - Olivier Basuyaux
- Synergie Mer et littoral (SMEL), Zac de Blainville, F-50560, Blainville-sur-Mer, France
| | - Jean-Marc Lebel
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie UNICAEN, Sorbonne Université, MNHN, UPMC Univ Paris 06, UA, CNRS 8067, IRD, Esplanade de la Paix, F-14032, Caen, France
| | - Claire Guegan
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie UNICAEN, Sorbonne Université, MNHN, UPMC Univ Paris 06, UA, CNRS 8067, IRD, Esplanade de la Paix, F-14032, Caen, France
| | - Antoine Serpentini
- Biologie des Organismes et Ecosystèmes Aquatiques (BOREA), Université de Caen Normandie UNICAEN, Sorbonne Université, MNHN, UPMC Univ Paris 06, UA, CNRS 8067, IRD, Esplanade de la Paix, F-14032, Caen, France.
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7
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Tiznado-Salazar VM, Bojórquez-Sánchez C, Zamora-García OG, Márquez-Farías JF, Páez-Osuna F, Bergés-Tiznado ME. Bioaccumulation of Essential and Potentially Toxic Elements in the Muscle and Liver of the Spotted Ratfish (Hydrolagus colliei) From Deep-Sea Waters off the Northern Gulf of California. Biol Trace Elem Res 2023; 201:2536-2545. [PMID: 35749046 DOI: 10.1007/s12011-022-03330-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 06/13/2022] [Indexed: 11/26/2022]
Abstract
This study aimed to establish the distribution of As, Cd, Cu, Pb, and Zn, in the muscle and liver of the spotted ratfish Hydrolagus colliei from the northern Gulf of California to establish the bioaccumulation background data in this species. The individuals (n = 110) were obtained by bycatch from the Gulf of California hake fisheries, and the metals and metalloid were measured by atomic absorption spectrometry. The element with the highest concentration in the muscle (15.19 ± 5.40 mg kg-1) and the liver (20.98 ± 10.30 mg kg-1) was As, followed by essential elements (Zn > Cu), and the lowest were the non-essential Pb (0.029 ± 0.014 and 0.048 ± 0.038 mg kg-1, muscle and liver, respectively) and Cd (0.022 ± 0.014 and 0.796 ± 0.495 mg kg-1, muscle and liver, respectively). The liver showed higher bioaccumulation than the muscle in all the studied elements. The sex was not a factor that influenced the bioaccumulation. The concentrations of As in the muscle did not exceed the maximum permissible limits of Mexican legislation, and < 50% of the samples exceed Cd and Pb limits of the Mexican, European Union, and WHO/FAO regulations. The differences found between the elements and tissues could be related to the different diets of the species, their migratory patterns, and their life conditions. Studies in the deep-sea water H. colliei are limited, and further investigations are needed regarding the feeding habits of H. colliei as well as the interactions of potentially toxic elements within the deep-sea water habitat.
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Affiliation(s)
- Víctor Manuel Tiznado-Salazar
- Posgrado en Ciencias del Mar y Limnología, Universidad Nacional Autónoma de México, Unidad Académica Mazatlán, P.O. Box 811, 82000, Mazatlán, Sinaloa, México
| | - Carolina Bojórquez-Sánchez
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km. 3, Genaro Estrada, 82199, Mazatlán, Sinaloa, México
| | - Oscar Guillermo Zamora-García
- Servicios Integrales de Recursos Biológicos, Acuáticos y Ambientales, Genaro Estrada 406 Centro, 82000, Mazatlán, Sinaloa, México
| | - Juan Fernando Márquez-Farías
- Facultad de Ciencias del Mar, Universidad Autónoma de Sinaloa, Paseo Claussen S/N Col. Centro, 82000, Mazatlán, Sinaloa, México
| | - Federico Páez-Osuna
- Universidad Nacional Autónoma de México, Instituto de Ciencias del Mar y Limnología, Unidad Académica Mazatlán, P.O. Box 811, 82000, Mazatlán, Sinaloa, México
- El Colegio de Sinaloa, Antonio Rosales 435 Poniente, Culiacán, Sinaloa, México
| | - Magdalena Elizabeth Bergés-Tiznado
- Unidad Académica de Ingeniería en Tecnología Ambiental, Universidad Politécnica de Sinaloa, Carretera Municipal Libre Mazatlán-Higueras km. 3, Genaro Estrada, 82199, Mazatlán, Sinaloa, México.
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Yu F, Luo HR, Cui XF, Wu YJ, Li JL, Feng WR, Tang YK, Su SY, Xiao J, Hou ZS, Xu P. Changes in aggression and locomotor behaviors in response to zinc is accompanied by brain cell heterogeneity and metabolic and circadian dysregulation of the brain-liver axis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 248:114303. [PMID: 36403304 DOI: 10.1016/j.ecoenv.2022.114303] [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: 07/09/2022] [Revised: 10/24/2022] [Accepted: 11/14/2022] [Indexed: 06/16/2023]
Abstract
Zinc is an essential nutrient for life, but over-accumulation can result in toxicity. Anthropogenic activities can increase zinc concentrations in aquatic environments (e.g., to ∼0.46-1.00 mg/L), which are above the safe level of 0.1 mg/L. We investigated the behavior and physiology of zebrafish (Danio rerio) in response to environment-related exposure to zinc chloride at 0.0 (Ctrl), 1.0 (ZnCl2-low) and 1.5 (ZnCl2-high) mg/L for 6 weeks (the zinc conversion ratio of zinc chloride is ∼0.48 and the nominal (measured) values were: Ctrl, 0 (∼0.01); ZnCl2-low, 0.48 (∼0.51); ZnCl2-high, 0.72 (∼0.69) mg/L). Low-zinc exposure resulted in significantly increased locomotion and fast moving behaviors, while high-zinc exposure resulted in significantly increased aggression and freezing frequency. Single cell RNA-seq of neurons, astrocytes, and oligodendrocytes of the brain revealed expression of genes related to ion transport, neuron generation, and immunomodulation that were heterogeneously regulated by zinc exposure. Astrocyte-induced central nervous system inflammation potentially integrated neurotoxicity and behavior. Integrated analyses of brain and hepatic transcriptional signatures showed that genes (and pathways) dysregulated by zinc were associated with sensory functions, circadian rhythm, glucose and lipid metabolism, and amyloid β-protein clearance. Our results showed that environment-related zinc contamination can be heterogeneously toxic to brain cells and can disturb coordination of brain-liver physiology. This may disrupt neurobehavior and cause a neurodegeneration-like syndrome in adult zebrafish.
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Affiliation(s)
- Fan Yu
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Hong-Rui Luo
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Xue-Fan Cui
- State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
| | - Yi-Jie Wu
- Key Laboratory of Comprehensive Development and Utilization of Aquatic Germplasm Resources of China (Guangxi) and ASEAN (Co-construction by Ministry and Province), Nanning 530021, China
| | - Jian-Lin Li
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Wen-Rong Feng
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Yong-Kai Tang
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Sheng-Yan Su
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China
| | - Jun Xiao
- Key Laboratory of Comprehensive Development and Utilization of Aquatic Germplasm Resources of China (Guangxi) and ASEAN (Co-construction by Ministry and Province), Nanning 530021, China.
| | - Zhi-Shuai Hou
- Key Laboratory of Mariculture (Ocean University of China), Ministry of Education (KLMME), Ocean University of China, Qingdao 266003, China.
| | - Pao Xu
- Key Laboratory of Freshwater Fisheries and Germplasm Resources Utilization, Ministry of Agriculture and Rural Affairs, Freshwater Fisheries Research Center, Chinese Academy of Fishery Sciences, Wuxi 214081, China.
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Shen Y, Zhu G. First report on the burden and distribution of Cu, Zn, Pb, and Cd in the Ocellated icefish (Chionodraco rastrospinosus) of northern Antarctic Peninsula. MARINE POLLUTION BULLETIN 2022; 182:113963. [PMID: 35878477 DOI: 10.1016/j.marpolbul.2022.113963] [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: 04/19/2022] [Revised: 07/12/2022] [Accepted: 07/14/2022] [Indexed: 06/15/2023]
Abstract
Understanding the distribution of trace elements in Ocellated icefish (Chionodraco rastrospinosus), one of fish species with lacking hemoglobin from the family Channichthyidae and distributes in a very limited area at the south Scotia Sea, will help understand their physiological composition and conserve this vulnerable population; however, information on this topic is extremely limited. This study examines trace elements (two essential elements, copper [Cu] and zinc [Zn], and two non-essential elements, cadmium [Cd] and lead [Pb]) in C. rastrospinosus and provides for the first time baseline data on elemental distribution in four tissues of C. rastrospinosus in the northern Antarctic Peninsula (NAP). The element concentrations showed the following trends: Zn > Cu > Pb > Cd in muscle and stomach and Zn > Cu > Cd > Pb in intestine and liver. Among all tissues, muscle had the lowest element concentrations. The average Zn level is 70.81 ± 28.91 μg g-1 dry weight (DW) in C. rastrospinosus muscle, which is higher significantly than average levels of Cu (0.56 ± 0.41 μg g-1 DW), Pb (0.29 ± 0.33 μg g-1 DW) and Cd (0.12 ± 0.05 μg g-1 DW). Zn and Cd concentrations in the stomach and intestines were significantly positively correlated. C. rastrospinosus could be a useful bioindicator for monitoring variability in trace elements dynamics in NAP and the environmental variability in this region.
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Affiliation(s)
- Yi Shen
- College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China.
| | - Guoping Zhu
- College of Marine Sciences, Shanghai Ocean University, Shanghai 201306, China; Center for Polar Research, Shanghai Ocean University, Shanghai 201306, China; Polar Marine Ecosystem Group, The Key Laboratory of Sustainable Exploitation of Oceanic Fisheries Resources, Ministry of Education, Shanghai 201306, China; National Engineering Research Center for Oceanic Fisheries, Shanghai 201306, China.
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10
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Yang J, Wang T, Lin G, Li M, Zhang Y, Mai K. The Assessment of Dietary Organic Zinc on Zinc Homeostasis, Antioxidant Capacity, Immune Response, Glycolysis and Intestinal Microbiota in White Shrimp ( Litopenaeus vannamei Boone, 1931). Antioxidants (Basel) 2022; 11:1492. [PMID: 36009211 PMCID: PMC9405169 DOI: 10.3390/antiox11081492] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/26/2022] [Accepted: 07/28/2022] [Indexed: 02/04/2023] Open
Abstract
This study aimed to assess dietary organic zinc on zinc homeostasis, antioxidant capacity, immune response, glycolysis and intestinal microbiota in white shrimp (Litopenaeus vannamei Boone, 1931). Six experimental diets were formulated: Control, zinc free; S120, 120 mg·kg-1 zinc from ZnSO4·7H2O added into control diet; O30, O60, O90 and O120, 30, 60, 90 and 120 mg·kg-1 zinc from Zn-proteinate added into control diet, respectively. The results showed that organic zinc significantly promoted zinc content and gene expression of ZnT1, ZIP11 and MT in the hepatopancreas and enhanced antioxidant capacity and immunity (in terms of increased activities of T-SOD, Cu/Zn SOD, PO, LZM, decreased content of MDA, upregulated expressions of GST, G6PDH, ProPO, LZM and Hemo, and increased resistance to Vibrio parahaemolyticus). Organic zinc significantly upregulated GluT1 expression in the intestine, increased glucose content of plasma and GCK, PFK and PDH activities of hepatopancreas, and decreased pyruvate content of hepatopancreas. Organic zinc improved intestinal microbiota communities, increased the abundance of potentially beneficial bacteria and decreased the abundance of potential pathogens. Inorganic zinc (S120) also had positive effects, but organic zinc (as low as O60) could achieve better effects. Overall, organic zinc had a higher bioavailability and was a more beneficial zinc resource than inorganic zinc in shrimp feeds.
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Affiliation(s)
- Jinzhu Yang
- The Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture), The Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266003, China; (J.Y.); (T.W.); (K.M.)
| | - Tiantian Wang
- The Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture), The Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266003, China; (J.Y.); (T.W.); (K.M.)
| | - Gang Lin
- Institute of Quality Standards and Testing Technology for Agricultural Products, Chinese Academy of Agricultural Sciences, Beijing 100081, China;
| | - Mingzhu Li
- College of Agriculture, Ludong University, Yantai 264025, China;
| | - Yanjiao Zhang
- The Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture), The Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266003, China; (J.Y.); (T.W.); (K.M.)
| | - Kangsen Mai
- The Key Laboratory of Aquaculture Nutrition and Feed (Ministry of Agriculture), The Key Laboratory of Mariculture (Ministry of Education), Ocean University of China, Qingdao 266003, China; (J.Y.); (T.W.); (K.M.)
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11
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Coffin JL, Kelley JL, Jeyasingh PD, Tobler M. Impacts of heavy metal pollution on the ionomes and transcriptomes of Western mosquitofish (Gambusia affinis). Mol Ecol 2022; 31:1527-1542. [PMID: 35000238 DOI: 10.1111/mec.16342] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Revised: 12/15/2021] [Accepted: 12/17/2021] [Indexed: 11/26/2022]
Abstract
Our understanding of the mechanisms mediating the resilience of organisms to environmental change remains lacking. Heavy metals negatively affect processes at all biological scales, yet organisms inhabiting contaminated environments must maintain homeostasis to survive. Tar Creek in Oklahoma, USA, contains high concentrations of heavy metals and an abundance of Western mosquitofish (Gambusia affinis), though several fish species persist at lower frequency. To test hypotheses about the mechanisms mediating the persistence and abundance of mosquitofish in Tar Creek, we integrated ionomic data from seven resident fish species and transcriptomic data from mosquitofish to test hypotheses about the mechanisms mediating the persistence of mosquitofish in Tar Creek. We predicted that mosquitofish minimize uptake of heavy metals more than other Tar Creek fish inhabitants and induce transcriptional responses to detoxify metals that enter the body, allowing them to persist in Tar Creek at higher density than species that may lack these responses. Tar Creek populations of all seven fish species accumulated heavy metals, suggesting mosquitofish cannot block uptake more efficiently than other species. We found population-level gene expression changes between mosquitofish in Tar Creek and nearby unpolluted sites. Gene expression differences primarily occurred in the gill, where we found upregulation of genes involved with lowering transfer of metal ions from the blood into cells and mitigating free radicals. However, many differentially expressed genes were not in known metal response pathways, suggesting multifarious selective regimes and/or previously undocumented pathways could impact tolerance in mosquitofish. Our systems-level study identified well characterized and putatively new mechanisms that enable mosquitofish to inhabit heavy metal-contaminated environments.
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Affiliation(s)
- John L Coffin
- Division of Biology, Kansas State University, Manhattan, KS, USA
| | - Joanna L Kelley
- School of Biological Sciences, Washington State University, Pullman, WA, USA
| | - Punidan D Jeyasingh
- Department of Integrative Biology, Oklahoma State University, Stillwater, OK, USA
| | - Michael Tobler
- Division of Biology, Kansas State University, Manhattan, KS, USA
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12
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Subotić S, Višnjić-Jeftić Ž, Bojović S, Đikanović V, Krpo-Ćetković J, Lenhardt M. Seasonal variations of macro-, micro-, and toxic elements in tissues of vimba bream (Vimba vimba) from the Danube River near Belgrade, Serbia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:63087-63101. [PMID: 34216343 DOI: 10.1007/s11356-021-15073-0] [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: 03/02/2021] [Accepted: 06/18/2021] [Indexed: 06/13/2023]
Abstract
Vimba bream (Vimba vimba) individuals were collected from the Danube River near Belgrade, from May 2016 to May 2017. Samples of muscle and liver tissue were analyzed for concentrations of 25 elements (macro-, micro-, and toxic elements) using inductively coupled plasma optical emission spectrometry (ICP-OES). For both tissues, the highest concentrations of most elements were observed in late spring/early summer (months of May and June). Majority of statistically significant correlations between elements were positive in both tissues. Contributions of Ca, K, and Mg to human diet were in a similar range. The lowest contribution of all macroelements was observed for Na, while the contribution of Se was well above the recommended dietary allowance for this element. Levels of detected elements were well below MAC values prescribed by national and international regulations. The highest value of Hg liver/muscle index (>1) was observed in August, which could indicate a higher contamination of the sampling location in that month. Se:Hg molar ratio never drops below 1, which could indicate that Hg toxicity is prevented. THQ values showed little variation thought the year and were well below the threshold of 1, with the exception of THQ for Al in May (0.92). This element also strongly affects the hazard index.
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Affiliation(s)
- Srđan Subotić
- Faculty of Biology, University of Belgrade, Studentski trg 16, Belgrade, 11000, Serbia.
| | - Željka Višnjić-Jeftić
- Institute for Multidisciplinary Research, University of Belgrade, Kneza Višeslava 1, Belgrade, 11000, Serbia
| | - Srđan Bojović
- Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Despota Stefana 142, Belgrade, 11000, Serbia
| | - Vesna Đikanović
- Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Despota Stefana 142, Belgrade, 11000, Serbia
| | - Jasmina Krpo-Ćetković
- Faculty of Biology, University of Belgrade, Studentski trg 16, Belgrade, 11000, Serbia
| | - Mirjana Lenhardt
- Institute for Biological Research "Siniša Stanković", National Institute of Republic of Serbia, University of Belgrade, Despota Stefana 142, Belgrade, 11000, Serbia
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13
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Mebane CA, Ivey CD, Wang N, Steevens JA, Cleveland D, Elias MC, Justice JR, Gallagher K, Brent RN. Direct and Delayed Mortality of Ceriodaphnia dubia and Rainbow Trout Following Time-Varying Acute Exposures to Zinc. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:2484-2498. [PMID: 34288068 PMCID: PMC8457064 DOI: 10.1002/etc.5131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 01/27/2021] [Accepted: 05/26/2021] [Indexed: 06/13/2023]
Abstract
The potential for delayed mortality following short-term episodic pollution events was evaluated by exposing cladocerans (Ceriodaphnia dubia) and rainbow trout (Oncorhynchus mykiss) to zinc (Zn) in various 1- to 48-h and 1- to 96-h exposures, respectively, followed by transferring the exposed organisms to clean water for up to 47 h for C. dubia and up to 95 h for trout for additional observation. For C. dubia, 1-h exposures of up to 3790 µg Zn/L never resulted in mortality during the actual Zn exposures, but by 48 h, a 1-h exposure to 114 µg/L, a concentration similar to the present US national water quality acute criterion for the test water conditions, ultimately killed 70% of C. dubia. With C. dubia, the speed of action of Zn toxicity was faster for intermediate concentrations than for the highest concentrations tested. For rainbow trout, pronounced delayed mortalities by 96 h only occurred following ≥8-h exposures. For both species, ultimate mortalities from Zn exposures ≤8 h mostly presented as delayed mortalities, whereas for exposures ≥24 h, almost all ultimate mortalities presented during the actual exposure periods. With Zn, risks of delayed mortality following exposures to all concentrations tested were much greater for the more sensitive, small-bodied invertebrate (C. dubia) than for the less sensitive, larger-bodied fish (rainbow trout). These results, along with previous studies, show that delayed mortality is an important consideration in evaluating risks to aquatic organisms from brief, episodic exposures to some substances. Environ Toxicol Chem 2021;40:2484-2498. © 2021 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC. This article has been contributed to by US Government employees and their work is in the public domain in the USA.
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Affiliation(s)
| | | | - Ning Wang
- Columbia Environmental Research CenterUS Geological SurveyColumbiaMissouri
| | | | - Danielle Cleveland
- Columbia Environmental Research CenterUS Geological SurveyColumbiaMissouri
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14
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Marques AFS, Alves LMF, Moutinho A, Lemos MFL, Novais SC. Scyliorhinus canicula (Linnaeus, 1758) metal accumulation: A public health concern for Atlantic fish consumers? MARINE POLLUTION BULLETIN 2021; 169:112477. [PMID: 34023586 DOI: 10.1016/j.marpolbul.2021.112477] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 04/27/2021] [Accepted: 05/08/2021] [Indexed: 06/12/2023]
Abstract
One of the most landed sharks in Portuguese fisheries is the lesser-spotted dogfish (Scyliorhinus canicula), which is ever-present in Portuguese fish markets and consumed as cheap fish protein source. The focus of this study was to evaluate element contamination in consumed tissues of Atlantic S. canicula, with the intent of safeguarding possible public health issues. A total of 74 specimens were analysed for metals and metalloids in the deeper white muscle and skin. Arsenic, zinc, iron and aluminium were the elements with higher mean values. There was a tendency for higher levels in the skin, with differences between life-stage and gender. Many individuals surpassed stipulated guideline limits for mercury and arsenic, posing a risk for human consumption (according to the health risk assessment performed for the average Portuguese fish consumption) or even for use in feed production. Besides the public health concern, this study also evidences troubling signs on marine contamination status.
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Affiliation(s)
- Alexandre F S Marques
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, Portugal
| | - Luís M F Alves
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, Portugal
| | - Ariana Moutinho
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, Portugal
| | - Marco F L Lemos
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, Portugal
| | - Sara C Novais
- MARE - Marine and Environmental Sciences Centre, ESTM, Polytechnic of Leiria, Portugal.
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15
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Castaldo G, Nguyễn T, Town RM, Bervoets L, Blust R, De Boeck G. Common carp exposed to binary mixtures of Cd(II) and Zn(II): A study on metal bioaccumulation and ion-homeostasis. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 237:105875. [PMID: 34098373 DOI: 10.1016/j.aquatox.2021.105875] [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: 12/19/2020] [Revised: 05/13/2021] [Accepted: 05/16/2021] [Indexed: 06/12/2023]
Abstract
The aquatic environment receives a wide variety of contaminants that interact with each other, influencing their mutual toxicity. Therefore, studies of mixtures are needed to fully understand their deleterious effects on aquatic organisms. In the present experiment, we aimed to assess the effects of Cd and Zn mixtures in common carp during a one-week exposure. The used nominal waterborne metal levels were 0.02, 0.05 and 0.10 µM for Cd and 3, 7.5 and 15 µM for Zn. Our results showed on the one hand a fast Cd increase and on the other hand a delayed Zn accumulation. In the mixture scenario an inhibition of Cd accumulation due to Zn was marked in the liver but temporary in the gills. For Zn, the delayed accumulation gives an indication of the efficient homeostasis of this essential metal. Between the different mixtures, a stimulation of Zn accumulation by Cd rather than an inhibition was seen in the highest metal mixtures. However, when compared to an earlier single Zn exposure, a reduced Zn accumulation was observed. Metallothionein gene expression was quickly activated in the analysed tissues suggesting that the organism promptly responded to the stressful situation. Finally, the metal mixture did not alter tissue electrolyte levels.
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Affiliation(s)
- G Castaldo
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium.
| | - T Nguyễn
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - R M Town
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - L Bervoets
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - R Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
| | - G De Boeck
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Groenenborgerlaan 171, 2020 Antwerp, Belgium
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16
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Butrimavičienė L, Nalivaikienė R, Kalcienė V, Rybakovas A. Impact of copper and zinc mixture on haematological parameters of rainbow trout (Oncorhynchus mykiss): acute exposure and recovery. ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:873-884. [PMID: 33851333 DOI: 10.1007/s10646-021-02404-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
Significant changes in composition of rainbow trout Oncorhynchus mykiss blood cells types were induced after 4-days exposure with mixture of Cu2+ and Zn2+ at 0.25, 0.125 and 0.06 parts of LC50 in comparison to control group. The highest concentration of metal mixture (0.25 of LC50) significantly induced elevation of the number of monocytes and poly-segmented neutrophils. Treatment with 0.125 parts of LC50 concentration increased the number of thrombocytes, monocytes and non-segmented neutrophils. The most diluted mixture resulted in significant induction of thrombocytes, monocytes, non- and poly segmented neutrophils. Analysis of leucocyte cell types in the O. mykiss blood samples after 4-days of exposure at all applied mixture parts showed signs of monocytosis and neutrophilia. Comparison of different types of leucocytes' percentages (leukogram) in fish after 4-days exposure to metal mixture and after 4, 8, and 12-days recovery periods showed that, values of neutrophils even after the 12-days recovery period at all tested parts of LC50, and monocytes after exposure with the highest (0.25) used part of LC50 were not restored to control group levels. Depuration and recovery processes in treated fish are concentration and recovery period dependent.
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Affiliation(s)
- Laura Butrimavičienė
- Nature Research Centre, Institute of Ecology, Akademijos Str. 2, LT-08412, Vilnius, Lithuania.
| | - Reda Nalivaikienė
- Nature Research Centre, Institute of Ecology, Akademijos Str. 2, LT-08412, Vilnius, Lithuania
| | - Virginija Kalcienė
- Vilnius University, Life Sciences Center, Institute of Biosciences, Saulėtekio av. 7, LT-10257, Vilnius, Lithuania
| | - Aleksandras Rybakovas
- Nature Research Centre, Institute of Ecology, Akademijos Str. 2, LT-08412, Vilnius, Lithuania
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17
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Lounas R, Kasmi H, Chernai S, Amarni N, Ghebriout L, Hamdi B. Heavy metal concentrations in wild and farmed gilthead sea bream from southern Mediterranean Sea-human health risk assessment. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:30732-30742. [PMID: 33594559 DOI: 10.1007/s11356-021-12864-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Accepted: 02/04/2021] [Indexed: 06/12/2023]
Abstract
Arsenic, cadmium, copper, lead, and zinc concentrations in the edible part of wild and farmed Sparus aurata from Algerian coastal were determined. The highest concentrations of cadmium (0.0078 mg kg-1 wet weight), copper (0.98 mg kg-1 w.w), and zinc (5.1 mg kg-1 w.w) were recorded in farmed sea bream, whereas the highest arsenic (5.02 mg kg-1 w.w) and lead (0.006 mg kg-1 w.w) levels were registered in wild one. The statistical analysis (Friedman test, p < 0.05) indicated that the origin of fish (wild, farmed in a cage, and farmed in raceway) has relevance to the distribution of metal. Estimated weekly intake of inorganic arsenic, cadmium, and lead for a 72.5-kg person consuming Sparus aurata from Algeria does not exceed 1% of the WHO/JECFA recommended rate for all metals, certainly due to the limited consumption of seafood products by the local population. The total target hazard index is far less than "one" 1, and the carcinogenic risk for arsenic exceeds the acceptable value of 10-5. Based on the result of this study, the potential risk to human health from the consumption of contaminate farmed sea bream (in the cage) should be considered.
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Affiliation(s)
- Ryhane Lounas
- Laboratory of Conservation and Valorization of Marine Resources, National Higher School of Marine Science and Coastal Management (ENSSMAL), University Campus of Dely Ibrahim, Bois des Cars, 16320, Algiers, Algeria.
| | - Hamza Kasmi
- SGS Centre, sécurité de convoyage de fonds et de produits sensibles et/ou dangereux, Bois des Cars III Villa n°96, Dely-Ibrahim, 16320, Algiers, Algeria
| | - Safia Chernai
- Laboratory of Conservation and Valorization of Marine Resources, National Higher School of Marine Science and Coastal Management (ENSSMAL), University Campus of Dely Ibrahim, Bois des Cars, 16320, Algiers, Algeria
| | - Nadia Amarni
- Laboratory of Conservation and Valorization of Marine Resources, National Higher School of Marine Science and Coastal Management (ENSSMAL), University Campus of Dely Ibrahim, Bois des Cars, 16320, Algiers, Algeria
| | - Louiza Ghebriout
- University of Science and Technology Houari Boumediene (USTHB), BP 32 El Alia, Bab Ezzouar, 16111, Algiers, Algeria
| | - Boualem Hamdi
- Laboratory of Conservation and Valorization of Marine Resources, National Higher School of Marine Science and Coastal Management (ENSSMAL), University Campus of Dely Ibrahim, Bois des Cars, 16320, Algiers, Algeria
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18
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Castaldo G, Pillet M, Ameryckx L, Bervoets L, Town RM, Blust R, De Boeck G. Temperature Effects During a Sublethal Chronic Metal Mixture Exposure on Common Carp ( Cyprinus carpio). Front Physiol 2021; 12:651584. [PMID: 33796029 PMCID: PMC8009323 DOI: 10.3389/fphys.2021.651584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 02/19/2021] [Indexed: 12/18/2022] Open
Abstract
The aquatic environment is the final sink of various pollutants including metals, which can pose a threat for aquatic organisms. Waterborne metal mixture toxicity might be influenced by environmental parameters such as the temperature. In the present study, common carp were exposed for 27 days to a ternary metal mixture of Cu, Zn, and Cd at two different temperatures, 10 and 20°C. The exposure concentrations represent 10% of the 96 h-LC50 (concentration lethal for the 50% of the population in 96 h) for each metal (nominal metal concentrations of Cu: 0.08 μM; Cd: 0.02 μM and Zn: 3 μM). Metal bioaccumulation and toxicity as well as changes in the gene expression of enzymes responsible for ionoregulation and induction of defensive responses were investigated. Furthermore the hepatosomatic index and condition factor were measured as crude indication of overall health and energy reserves. The obtained results showed a rapid Cu and Cd increase in the gills at both temperatures. Cadmium accumulation was higher at 20°C compared to 10°C, whereas Cu and Zn accumulation was not, suggesting that at 20°C, fish had more efficient depuration processes for Cu and Zn. Electrolyte (Ca, Mg, Na, and K) levels were analyzed in different tissues (gills, liver, brain, muscle) and in the remaining carcasses. However, no major electrolyte losses were observed. The toxic effect of the trace metal ion mixture on major ion uptake mechanisms may have been compensated by ion uptake from the food. Finally, the metal exposure triggered the upregulation of the metallothionein gene in the gills as defensive response for the organism. These results, show the ability of common carp to cope with these metal levels, at least under the condition used in this experiment.
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Affiliation(s)
- Giovanni Castaldo
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Marion Pillet
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Leen Ameryckx
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Lieven Bervoets
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Raewyn M Town
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Ronny Blust
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
| | - Gudrun De Boeck
- Systemic Physiological and Ecotoxicological Research (SPHERE), Department of Biology, University of Antwerp, Antwerp, Belgium
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19
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Donadt C, Cooke CA, Graydon JA, Poesch MS. Biological Factors Moderate Trace Element Accumulation in Fish along an Environmental Concentration Gradient. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2021; 40:422-434. [PMID: 33201525 DOI: 10.1002/etc.4926] [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: 04/22/2020] [Revised: 06/20/2020] [Accepted: 11/05/2020] [Indexed: 06/11/2023]
Abstract
Trace elements can accumulate in aquatic food webs, becoming potentially hazardous to wildlife and human health. Whereas many studies have examined mercury dynamics in freshwater environments, evidence for the bioaccumulative potential of other trace elements (e.g., arsenic) is conflicting. Trace element concentrations found in surface water of the Red Deer River, Alberta, Canada, have raised concern for potential accumulation in aquatic biota. We investigated fish from this river to better understand the influence of biological and environmental factors in trace element bioaccumulation. We analyzed 20 trace elements, and stable nitrogen (δ15 N) and carbon (δ13 C) isotopes, in the muscle tissue of 8 species. Zinc, selenium, arsenic, chromium, and nickel were detected in the majority of fish at low concentrations. However, mercury was detected in all fish and often exceeded criteria for the protection of consumers. Body size was often positively correlated with trace element concentrations. In addition, δ15 N and δ13 C were correlated to mercury and arsenic concentrations, indicating that mercury biomagnifies whereas arsenic biodiminishes. Spatial patterns of fish trace element concentrations did not reflect differences in surface water concentrations. These findings indicate that fish trace element concentrations are primarily moderated by biological factors, such as trophic position and body size, and are not locally restricted to areas of relatively high environmental concentrations in the Red Deer River. Environ Toxicol Chem 2021;40:422-434. © 2020 SETAC.
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Affiliation(s)
- Caitlyn Donadt
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta, Canada
| | - Colin A Cooke
- Alberta Environment and Parks, Edmonton, Alberta, Canada
- Department of Earth and Atmospheric Sciences, University of Alberta, Alberta, Canada
| | | | - Mark S Poesch
- Department of Renewable Resources, University of Alberta, Edmonton, Alberta, Canada
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Somerville R, Fisher M, Persson L, Ehnert-Russo S, Gelsleichter J, Bielmyer-Fraser G. Analysis of Trace Element Concentrations and Antioxidant Enzyme Activity in Muscle Tissue of the Atlantic Sharpnose Shark, Rhizoprionodon terraenovae. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 79:371-390. [PMID: 32865634 DOI: 10.1007/s00244-020-00753-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Accepted: 08/10/2020] [Indexed: 06/11/2023]
Abstract
Metals occur naturally in the environment; however, anthropogenic practices have greatly increased metal concentrations in waterways, sediments, and biota. Metals pose health risks to marine organisms and have been associated with oxidative stress, which can lead to protein denaturation, DNA mutations, and cellular apoptosis. Sharks are important species ecologically, recreationally, and commercially. Because they occupy a high trophic level, assessing muscle tissue metal concentrations in sharks may reflect metal transfer in marine food webs. In this study, concentrations of cadmium, copper, lead, nickel, selenium, silver, and zinc were measured in the muscle of Rhizoprionodon terraenovae (Atlantic sharpnose shark) from 12 sites along the coast of the southeastern United States. Activities of antioxidant enzymes (superoxide dismutase, catalase, glutathione peroxidase, and glutathione reductase) also were examined in the muscle tissue of R. terraenovae. A total of 165 samples were analyzed, and differences in trace element bioaccumulation and enzyme activity were observed across sites. R. terraenovae samples collected from South Florida and South Carolina had the highest cumulative trace element concentrations whereas those collected from North Carolina and Alabama had the lowest cumulative concentrations. Trace element concentrations in shark muscle tissue were significantly correlated to antioxidant enzyme activity, particularly with glutathione peroxidase, suggesting that this enzyme may serve as a non-lethal, biomarker of metal exposure in R. terraenovae. This is one of the most extensive studies providing reference levels of trace elements and oxidative stress enzymes in a single elasmobranch species within the U.S.
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Affiliation(s)
- Rachel Somerville
- Jacksonville University, 2800 University Blvd N, Jacksonville, FL, 32211, USA.
| | - Maya Fisher
- Jacksonville University, 2800 University Blvd N, Jacksonville, FL, 32211, USA
| | - Louise Persson
- Jacksonville University, 2800 University Blvd N, Jacksonville, FL, 32211, USA
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Pouil S, Oberhänsli F, Bustamante P, Metian M. Trophic transfer of trace elements in a euryhaline fish, the turbot Scophthalmus maximus: Contrasting effects of salinity on two essential elements. MARINE POLLUTION BULLETIN 2020; 154:111065. [PMID: 32319899 DOI: 10.1016/j.marpolbul.2020.111065] [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: 07/08/2019] [Revised: 03/05/2020] [Accepted: 03/10/2020] [Indexed: 06/11/2023]
Abstract
Trace elements can be accumulated from coastal environment by aquatic organisms from their food and be transferred throughout the food webs. Studying the effects of salinity on the trophic transfer of trace elements in a euryhaline fish, able to deal with large variations in salinity, is therefore key to understand their dynamics in aquatic environments. In this context, we investigated the potential influence of salinity on the trophic transfer of two essential elements (Mn and Zn) in the euryhaline fish, the turbot Scophthalmus maximus using radiotracer techniques. After acclimation to three salinities (10, 25 and 38), turbots were fed with radiolabelled pellets (54Mn and 65Zn). Kinetic parameters of depuration were determined after a 21-d period and trophic transfer factors were calculated. Trophic transfer of Mn at the highest salinity was significantly lower than for the other conditions whereas salinity did not significantly influenced Zn trophic transfer. Differences in the processes involved in the regulation (homeostasis) of the two tested trace elements may explain the contrasting influence of seawater salinity for Mn and Zn.
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Affiliation(s)
- Simon Pouil
- International Atomic Energy Agency, Environment Laboratories, 4a, Quai Antoine Ier, MC-98000, Monaco; Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-La Rochelle University, 2 rue Olympe de Gouges, F-17000 La Rochelle, France
| | - François Oberhänsli
- International Atomic Energy Agency, Environment Laboratories, 4a, Quai Antoine Ier, MC-98000, Monaco
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-La Rochelle University, 2 rue Olympe de Gouges, F-17000 La Rochelle, France; Institut Universitaire de France (IUF), 1 rue Descartes 75005 Paris, France
| | - Marc Metian
- International Atomic Energy Agency, Environment Laboratories, 4a, Quai Antoine Ier, MC-98000, Monaco.
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Dang M, Pittman K, Bach L, Sonne C, Hansson SV, Søndergaard J, Stride M, Nowak B. Mucous cell responses to contaminants and parasites in shorthorn sculpins (Myoxocephalus scorpius) from a former lead‑zinc mine in West Greenland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 678:207-216. [PMID: 31075587 DOI: 10.1016/j.scitotenv.2019.04.412] [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: 02/18/2019] [Revised: 04/21/2019] [Accepted: 04/27/2019] [Indexed: 06/09/2023]
Abstract
Previous studies of sculpins from the former lead (Pb) - zinc (Zn) mine near Maarmorilik, West Greenland, have shown that these fish are affected by heavy metal exposure from the mine. In this study, we applied mucosal mapping (a stereological method for mucosal quantification in fish) to uncover interactions between the host, parasites and heavy metal exposure (Pb and Zn) in shorthorn sculpins from the Maarmorilik mining site at a gradient of 3 stations. Skin and gill mucosal epithelia of shorthorn sculpins were significantly affected and reflected the exposure to environmental heavy metals and parasites. Size of skin mucous cells was significantly smallest in the sculpin from the station 3 where heavy metal contamination was lowest and the skin parasite load was highest. Gill filament mucous cells were largest and densest in fish from station 1 which was the most contaminated site. In gill lamellae the density of mucous cell followed a toxicity gradient and was significantly highest at the most contaminated station and significantly lowest at the least contaminated station. The persistent presence of toxic Pb and Zn levels in the sediment at the most contaminated station may have induced a small but measurable reduction in the surface area available for respiration and may have affected diffusion distance. The strong correlation between size of filamentous mucous cells and Pb concentrations in liver suggests that these cells can play an active role in reducing the somatic load of Pb in sculpin. We suggest that mucosal mapping can be used to assess effects of contaminant and parasite exposure in future environmental field studies.
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Affiliation(s)
- Mai Dang
- Institute for Marine and Antarctic Studies, University of Tasmania, Launceston, Tasmania 7250, Australia; Department of Bacteriology, Institute of Veterinary Research and Development of Central Vietnam, km 4, 2/4 Street, Vinh Hoa, Nha Trang, Khanh Hoa 57000, Vietnam.
| | - Karin Pittman
- Department of Biology, University of Bergen, Thormøhlensgate 53, 5006 Bergen, Norway
| | - Lis Bach
- Aarhus University, Faculty of Science and Technology, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Christian Sonne
- Aarhus University, Faculty of Science and Technology, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Sophia V Hansson
- Aarhus University, Faculty of Science and Technology, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Jens Søndergaard
- Aarhus University, Faculty of Science and Technology, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
| | - Megan Stride
- Institute for Marine and Antarctic Studies, University of Tasmania, Launceston, Tasmania 7250, Australia
| | - Barbara Nowak
- Institute for Marine and Antarctic Studies, University of Tasmania, Launceston, Tasmania 7250, Australia; Aarhus University, Faculty of Science and Technology, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000 Roskilde, Denmark
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23
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Speciation of zinc in fish feed by size exclusion chromatography coupled to inductively coupled plasma mass spectrometry - using fractional factorial design for method optimisation and mild extraction conditions. J Chromatogr B Analyt Technol Biomed Life Sci 2018; 1104:262-268. [PMID: 30576954 DOI: 10.1016/j.jchromb.2018.11.010] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2018] [Revised: 10/19/2018] [Accepted: 11/08/2018] [Indexed: 11/21/2022]
Abstract
Zinc (Zn) is an element essential to all living organisms and it has an important role as a cofactor of several enzymes. In fish, Zn deficiency has been associated with impaired growth, cataracts, skeletal abnormalities and reduced activity of various Zn metalloenzymes. Fish meal and fish oil traditionally used in salmon feed preparation are being replaced by plant-based ingredients. Zinc additives are supplemented to salmon feed to ensure adequate Zn levels, promoting good health and welfare in Atlantic salmon (Salmo salar). The main objective of the present study was to evaluate Zn species found in an Atlantic salmon feed. This work describes a Zn extraction method that was optimized using a fractional factorial design (FFD), whereby the effect of six factors could be studied by performing only eight experiments. The effects of the type of extraction solution and its molar concentration, pH, presence of sodium dodecyl sulphate, temperature and extraction time on Zn extraction were investigated. Mild extraction conditions were chosen in order to keep the Zn species intact. Total Zn (soluble fractions and non-soluble fractions) was determined by inductively coupled plasma mass spectrometry (ICP-MS). The highest Zn recovery was obtained using 100 mM Tris-HCl, pH 8.5 at a temperature of 4 °C for 24 h where the total Zn in soluble fraction and non-soluble fraction was 9.9 ± 0.2% and 98 ± 6%, respectively. Zinc speciation analysis (on the soluble fractions) was further conducted by size exclusion inductively coupled plasma mass spectroscopy (SEC-ICP-MS). The SEC-ICP-MS method provided qualitative and semi-quantitative information regarding Zn species present in the soluble fractions of the feed. Four Zn-containing peaks were found, each with different molecular weights: Peak 1 (high molecular weight - ≥600 kDa), peak 2 and peak 3 (medium molecular weight - 32 to 17 kDa) were the least abundant (1-6%), while peak 4 (low molecular weight - 17 to 1.36 kDa) was the most abundant (84-95%).
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Malov AI. Transformation of the chemical composition of surface waters in the area of the exploited Lomonosov diamond deposit (NW Russia). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:33620-33636. [PMID: 30276682 DOI: 10.1007/s11356-018-3308-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Accepted: 09/20/2018] [Indexed: 06/08/2023]
Abstract
The specific objective of this study was to investigate the changes in the chemical composition of river waters during the exploitation of the Lomonosov diamond deposit and the danger of these changes for the ichthyofauna. It was found that the Ca-HCO3 composition of river water both upstream and downstream from the quarry was almost identical before discharge of the drainage waters into the river. In subsequent years, the water downstream from the quarry acquired a Na-HCO3 composition, and then a Na-HCO3-Cl composition and TDS increased by 2.5 times. With respect to Fe, Mn, and Mo, concentrations that are above the maximum permissible concentrations (MPCs) for fishery rivers are apparent. At the same time, elevated Fe and Mn concentrations are associated with the natural composition of river water. The negative influence of drainage waters is manifested only with respect to the high concentrations of Mo. An important role in increasing Mo concentrations in drainage waters is played by the processes of hydrolysis of sodium aluminosilicates and mixing of fresh water with salt water. The concentrations of Sr, B, Ba, V, and Cr in drainage waters are higher than those in surface waters. However, they generally do not exceed the concentrations of the current MPCs. The source of Cr, Ba, Ni, and V in the drainage waters can be the products of the kimberlite magmatism. The possible impacts of metals effects on fish are presented.
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Affiliation(s)
- Alexander I Malov
- Federal Center for Integrated Arctic Research of Russian Academy of Sciences, 23 Severnoy Dviny Emb., Arkhangelsk, 163061, Russia.
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25
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Wang J, Wang A, Wang WX. Evaluation of nano-ZnOs as a novel Zn source for marine fish: importance of digestive physiology. Nanotoxicology 2017; 11:1026-1039. [PMID: 29050525 DOI: 10.1080/17435390.2017.1388865] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Waterborne nanotoxicology of zinc oxide nanoparticles (nano-ZnOs) has been extensively studied over the past decade, whereas their potential dietary toxicity and applications were seldom investigated. In the present study, we systematically investigated both short-term bioavailability and chronic effects of nano-ZnOs to two marine fish (marine medaka Oryzias melastigma and red drum Sciaenops ocellatus). At normal supplementary level (80 mg Zn/kg), red drum (with a stomach) had similar assimilation efficiencies of nano-ZnOs and ZnCl2. Correspondingly, in vitro digestion experiments showed the continuous dissolution of nano-ZnOs in acid environment. In contrast, nano-ZnOs were more bioavailable than ZnCl2 to medaka (stomach-less) at 80 mg Zn/kg supplementary level. There results were further validated by using bulk-ZnOs. Chronic dietary exposure to nano-ZnOs (80 mg/kg) significantly enhanced the antioxidative defenses in medaka, with no negative effect on fish growth. Beneficial effects disappeared in the high dietary nano-ZnOs (300 mg/kg) treatment. For the first time, we provided direct evidence that nano-ZnOs was more bioavailable than ZnCl2 and bulk-ZnOs to stomach-less fish at normal dietary Zn inclusion level (<80 mg/kg), with potential benefits on antioxidative defenses. It is also necessary to pay attention to the dietary nano-ZnOs toxicity on stomach-less fish due to the presence of real 'nano-effects.'
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Affiliation(s)
- Jian Wang
- a Division of Life Science , Hong Kong University of Science and Technology (HKUST) , Kowloon , Hong Kong
| | - Aili Wang
- a Division of Life Science , Hong Kong University of Science and Technology (HKUST) , Kowloon , Hong Kong.,b Marine Environmental Laboratory , HKUST Shenzhen Research Institute , Shenzhen , China
| | - Wen-Xiong Wang
- a Division of Life Science , Hong Kong University of Science and Technology (HKUST) , Kowloon , Hong Kong.,b Marine Environmental Laboratory , HKUST Shenzhen Research Institute , Shenzhen , China
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26
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Pouil S, Oberhänsli F, Bustamante P, Metian M. Dietary Zn and the subsequent organotropism in fish: No influence of food quality, frequency of feeding and environmental conditions (pH and temperature). CHEMOSPHERE 2017; 183:503-509. [PMID: 28570893 DOI: 10.1016/j.chemosphere.2017.05.126] [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: 03/07/2017] [Revised: 05/16/2017] [Accepted: 05/21/2017] [Indexed: 06/07/2023]
Abstract
Trophic transfer of Zn in fish is affected by the type of food and environmental variables such as temperature. However, there is still a lack of knowledge regarding the effects of such factors on Zn organotropism. For this reason, a series of experimental studies have investigated how the distribution and the concentration of Zn is affected by some environmentally-relevant factors (food quality, food availability, water pH, and temperature) in turbot Scophthalmus maximus using radiotracer techniques. In three different experiments, Zn distribution in seven body compartments of juvenile turbot and the calculation of Zn concentration index (IC) for each compartment were compared. Its distribution as well as its concentration in the body compartments of juvenile turbots were not affected by the experimental conditions tested. This apparent consistency in the Zn organotropism can be explained by the ability of the fish to maintain Zn homeostasis at non-toxic Zn concentrations in their diet. These results are important to better understand the trophic transfer of Zn in fish under realistic environmental conditions.
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Affiliation(s)
- Simon Pouil
- International Atomic Energy Agency - Environment Laboratories (IAEA-EL), 4 Quai Antoine 1er, MC-98000, Monaco; Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de La Rochelle, 2 rue Olympe de Gouges, F-17000 La Rochelle, France
| | - François Oberhänsli
- International Atomic Energy Agency - Environment Laboratories (IAEA-EL), 4 Quai Antoine 1er, MC-98000, Monaco
| | - Paco Bustamante
- Littoral Environnement et Sociétés (LIENSs), UMR 7266 CNRS - Université de La Rochelle, 2 rue Olympe de Gouges, F-17000 La Rochelle, France
| | - Marc Metian
- International Atomic Energy Agency - Environment Laboratories (IAEA-EL), 4 Quai Antoine 1er, MC-98000, Monaco.
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27
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Damasceno ÉP, de Figuerêdo LP, Pimentel MF, Loureiro S, Costa-Lotufo LV. Prediction of toxicity of zinc and nickel mixtures to Artemia sp. at various salinities: From additivity to antagonism. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 142:322-329. [PMID: 28433597 DOI: 10.1016/j.ecoenv.2017.04.020] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Revised: 04/07/2017] [Accepted: 04/10/2017] [Indexed: 06/07/2023]
Abstract
Few studies have examined the toxicity of metal mixtures to marine organisms exposed to different salinities. The aim of the present study was to investigate the acute toxicity of zinc and nickel exposures singly and in combination to Artemia sp. under salinities of 10, 17, and 35 psu. The mixture concentrations were determined according to individual toxic units (TUs) to follow a fixed ratio design. Zinc was more toxic than nickel, and both their individual toxicities were higher at lower salinities. These changes in toxicity can be attributed to the Biotic Ligand Model (BLM) rather than to metal speciation. To analyze the mixture effect, the observed data were compared with the expected mixture effects predicted by the concentration addition (CA) model and by deviations for synergistic/antagonistic interactions and dose-level and dose-ratio dependencies. For a salinity of 35 psu, the mixture had no deviations; therefore, the effects were additive. After decreasing the salinity to 17 psu, the toxicity pattern changed to antagonism at low concentrations and synergism at higher equivalent LC50 levels. For the lowest salinity tested (10 psu), antagonism was observed. The speciations of both metals were similar when in a mixture and when isolated, and changes in toxicity patterns are more related to the organism's physiology than metal speciation. Therefore, besides considering chemical interactions in real-world scenarios, where several chemicals can be present, the influence of abiotic factors, such as salinity, should also be considered.
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Affiliation(s)
| | | | | | - Susana Loureiro
- Department of Biology and CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
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28
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Sfakianakis DG, Renieri E, Kentouri M, Tsatsakis AM. Effect of heavy metals on fish larvae deformities: A review. ENVIRONMENTAL RESEARCH 2015; 137:246-255. [PMID: 25594493 DOI: 10.1016/j.envres.2014.12.014] [Citation(s) in RCA: 181] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2014] [Revised: 12/05/2014] [Accepted: 12/15/2014] [Indexed: 06/04/2023]
Abstract
Heavy metals have been associated with many fish deformities in natural populations and in laboratory produced specimens as well. Deformities in general have devastating effects on fish populations since they affect the survival, the growth rates, the welfare and their external image. Although the embryonic stage in respect to heavy metal exposure has been extensively studied, there is not much information available as to what happens in fish larvae and adults. In the present article, we present the available information on the effect of heavy metals on fish larvae deformities. We also address the need for more research towards the effects of metals on the subsequent life stages in order to assess the long-term consequences of heavy metal poisoning on fish organisms and possibly correlate these consequences with the environmental contamination (use as biomarkers).
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Affiliation(s)
- D G Sfakianakis
- Biology Department, University of Crete, 71409 Heraklio, Crete, Greece.
| | - E Renieri
- Laboratory of Toxicology, University of Crete, Medical School, Crete 71409, Greece
| | - M Kentouri
- Biology Department, University of Crete, 71409 Heraklio, Crete, Greece
| | - A M Tsatsakis
- Laboratory of Toxicology, University of Crete, Medical School, Crete 71409, Greece
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29
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Marasinghe Wadige CPM, Taylor AM, Maher WA, Krikowa F. Bioavailability and toxicity of zinc from contaminated freshwater sediments: linking exposure-dose-response relationships of the freshwater bivalve Hyridella australis to zinc-spiked sediments. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 156:179-90. [PMID: 25238458 DOI: 10.1016/j.aquatox.2014.08.012] [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: 06/05/2014] [Revised: 08/23/2014] [Accepted: 08/27/2014] [Indexed: 05/27/2023]
Abstract
To evaluate the use of the freshwater bivalve Hyridella australis as a potential biomonitor for zinc contamination in freshwater sediments, the bioavailability and toxicity of zinc contaminated sediments (low 44 ± 5, medium 526 ± 41, high 961 ± 38 μg/g dry mass) were investigated in laboratory microcosms for 28 days by examining H. australis exposure-dose-response relationships. Zinc concentrations in sediments and surface waters were measured as zinc exposure. Zinc in whole organism soft body tissues and five individual tissues were measured as organism zinc dose. Sub-cellular localisation of zinc in hepatopancreas tissues was investigated to further understand the zinc handling strategies and tolerance of H. australis. Total antioxidant capacity, lipid peroxidation and lysosomal membrane stability were measured in hepatopancreas tissues as zinc induced biomarker responses. Accumulated zinc concentrations in whole body tissues of H. australis reflected the zinc exposure and exhibited exposure dependent zinc accumulation at day 28. Gills accumulated significantly higher zinc concentrations than other tissues, however, no significant differences in zinc accumulation between treatments were detected for any of the individual tissues analysed. Analysis of individual tissue zinc concentrations, therefore, may not offer any advantages for monitoring bioavailable zinc in freshwater environments with this organism. Relationships between tissue zinc and calcium concentration suggest accumulation of zinc by H. australis may have occurred as an analogue of calcium which is a major constituent in shell and granules of unionid bivalves. A high percentage of accumulated zinc in the hepatopancreas tissues was detoxified and stored in metallothionein like proteins and metal rich granules. Of the zinc accumulated in the biologically active metal pool, 59-70% was stored in the lysosome+microsome fraction. At the concentrations tested, increasing zinc exposure resulted in decreasing total antioxidant capacity and measurable increases in the sublethal effects, lipid peroxidation and lysosomal membrane destabilisation, were observed. Based on exposure-dose analysis, H. australis partially regulates zinc uptake and weakly exhibits bioavailability of zinc in freshwater environments, however, exposure-response analysis shows zinc induced toxicological effects, suggesting the potential of this organism as a biomonitor for zinc in heavily contaminated freshwater environments.
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Affiliation(s)
| | - Anne M Taylor
- Ecochemistry Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia
| | - William A Maher
- Ecochemistry Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia
| | - Frank Krikowa
- Ecochemistry Laboratory, Institute for Applied Ecology, University of Canberra, Canberra, ACT 2601, Australia
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30
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Giannakopoulou L, Neofitou C. Heavy metal concentrations in Mullus barbatus and Pagellus erythrinus in relation to body size, gender, and seasonality. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:7140-7153. [PMID: 24563368 DOI: 10.1007/s11356-014-2608-2] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2013] [Accepted: 01/27/2014] [Indexed: 06/03/2023]
Abstract
Marine environments have been subjected to an increase in heavy metal pollution. Investigations were conducted in the bioaccumulation of heavy metals for both a benthic (Mullus barbatus) and a benthopelagic fish species (Pagellus erythrinus). The aim of this study was to examine the concentration levels of four metals in the body tissue of two fish species, in Pagasitikos Gulf in Greece, and to determine if metal concentration levels were affected by season, size, and species. Fish samples were collected monthly from September 2009 to August 2010. Chromium (Cr), Copper (Cu), Zinc (Zn), and Cadmium (Cd) concentrations were measured in muscle, gills, vertebral column, and in the "remaining fish sample." Statistical analysis pinpointed substantial differences in metal concentration levels between some size classes. Significant differences were observed between two fish species' tissues concerning Cu, Zn, and Cd concentrations. Cu and Zn concentrations varied amongst red mullet tissues as did Zn and Cd concentrations in common pandora. Ample variations were found seasonally in metal concentration levels; however, nonsignificant statistical differences were found among sexes.
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Affiliation(s)
- Loukia Giannakopoulou
- Department of Ichthyology and Aquatic Environment, School of Agricultural Sciences, University of Thessaly, Fytoko Street, Nea Ionia Magnesia, 38446, Greece,
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