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Řehulka J, Bradík J. Study of the frequencies of erythrocyte abnormalities as in situ biomarkers of genotoxic risk of chemicals in special fish stock in water supply reservoirs. JOURNAL OF FISH DISEASES 2024; 47:e13909. [PMID: 38151724 DOI: 10.1111/jfd.13909] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 11/28/2023] [Accepted: 12/08/2023] [Indexed: 12/29/2023]
Abstract
In three water-supply reservoirs in the catchment area of the Odra River (Czech Republic), a special fish stock was monitored for control of health to estimate the mutagenic effect of chemicals. The results contribute to obtaining initial information about the morphology of erythrocyte abnormalities classified in 21 categories in 16 fish species in reservoirs with abundant salmonids (the Morávka Reservoir) or with the prevalence of cyprinids (the Kružberk and Šance Reservoirs), not directly exposed to the adverse environmental effects such as industrial, urban, agricultural and intensive farming activities. The different intensities and prevalence of nuclear abnormalities (NA) and cytoplasmic abnormalities (CA) in fish from the same reservoir habitat show that to be able to obtain an objective view of the genotoxic risk of chemicals, it is necessary to respect the different requirements of the fish for the exploitation of the food available in the biotope and to subject all representatives of piscivorous, omnivorous and benthophagous fishes in the reservoir to cytogenetic analysis. The occurrence of certain categories of erythrocyte abnormalities in diseased fish draws attention to the need to know the state of health of the fish and to employ this knowledge to exclude parasitological, viral and other infectious agents. These results are the first report of the frequencies of erythrocyte abnormalities in native fish. They should serve to check which of the categories examined could be of use in assessing the genotoxic risk in other stagnant and running aquatic ecosystems affected by anthropogenic activities.
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Affiliation(s)
- Jiří Řehulka
- Department of Zoology, Silesian Museum, Opava, Czech Republic
| | - Jaroslav Bradík
- Mathematical Institute, Silesian University in Opava, Opava, Czech Republic
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2
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Crowther C, Turner A, Moore MN, Jha AN. Assessing the effects of single and binary exposures of copper and lead on Mytilus galloprovincialis: Physiological and genotoxic approaches. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 265:106741. [PMID: 37944325 DOI: 10.1016/j.aquatox.2023.106741] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 10/02/2023] [Accepted: 10/28/2023] [Indexed: 11/12/2023]
Abstract
It is becoming increasingly recognised that contaminants are not isolated in their threats to the aquatic environment, with recent shifts towards studying the effects of chemical mixtures. In this study, adult marine mussels (Mytilus galloprovincialis) were exposed to two aqueous concentrations of the essential trace metal, Cu (5 and 32 μg L-1), and the non-essential metal, Pb (5 and 25 μg L-1), both individually and in binary mixtures. After a 14-day exposure, metal accumulation was determined in the digestive gland, gill and mantle tissues by inductively coupled plasma-mass spectrometry following acid digestion, and a number of biochemical, neurotoxic and physiological markers were assessed. These included measurements of DNA damage using comet assay, total glutathione concentration, acetylcholinesterase (AChE) activity and clearance rate. Metal accumulation was greater in the digestive gland and gill than in the mantle, and based on computed free ion concentrations, was greater for Pb than for Cu. Copper exhibited an inhibitory effect on Pb accumulation but Pb did not appear to affect Cu accumulation. Comet assay results revealed DNA damage (i.e., genotoxic effects) in all treatments but differences between the exposures were not significant (p > 0.05), and there were no significant differences in AChE activities between treatments. The most distinctive impacts were a reduction in clearance rate resulting from the higher concentration of Cu, with and without Pb, and an increase in glutathione in the gill resulting from the higher concentration of Cu without Pb. Multivariate analysis facilitated the development of a conceptual model based on the current findings and previously published data on the toxicity and intracellular behaviour of Cu and Pb that will assist in the advancement of regulations and guidelines regarding multiple metal contaminants in the environment.
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Affiliation(s)
- Charlotte Crowther
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Andrew Turner
- School of Geography, Earth and Environmental Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK.
| | - Michael N Moore
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK; Plymouth Marine Laboratory, Prospect Place, Plymouth PL1 3DH, UK; European Centre for Environment and Human Health (ECEHH), Knowledge Spa, Royal Cornwall Hospital, University of Exeter Medical School, Truro, Cornwall TR1 3HD, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
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Bony S, Labeille M, Lefrancois E, Noury P, Olivier JM, Santos R, Teichert N, Besnard A, Devaux A. The goby fish Sicydium spp. as valuable sentinel species towards the chemical stress in freshwater bodies of West Indies. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 261:106623. [PMID: 37429095 DOI: 10.1016/j.aquatox.2023.106623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/12/2023]
Abstract
Implementation of the European Water Framework Directive in tropical areas such as the French West Indies (FWI) requires to select relevant aquatic sentinel species for investigating the ecological status of surface waters. The present work aimed to study the biological response of the widespread fish Sicydium spp. towards river chemical quality in Guadeloupe island through a set of proper biomarkers. During a 2-year survey, the hepatic EROD activity, the micronucleus formation and the level of primary DNA strand breaks in erythrocytes were measured respectively as an enzymatic biomarker of exposure and genotoxicity endpoints in fish living upstream and downstream of two chemically-contrasted rivers. Hepatic EROD activity was shown to be variable along the time but always significantly higher in fish from the most contaminated river (Rivière aux Herbes) compared to the low contaminated one (Grande Rivière de Vieux-Habitants). Fish size did not influence EROD activity. Female fish exhibited a lower EROD activity compared to males depending on the catching period. We observed significant temporal variation in micronucleus frequency and primary DNA damage level measured in fish erythrocytes that did not depend on the fish size. Micronucleus frequency and to a lesser extent DNA damage were significantly higher in fish from the Rivière aux Herbes compared to the Grande Rivière de Vieux-Habitants. Our results argue for the interest of using Sicydium spp. as sentinel species to assess river quality and chemical pressures in FWI.
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Affiliation(s)
- S Bony
- Univ Lyon, Université Claude Bernard Lyon 1, ENTPE, CNRS, INRAE, USC 1369, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin, France
| | - M Labeille
- Sentinelle Lab, F-97125 Bouillante, France
| | | | - P Noury
- INRAE, UR RiverLy, Laboratoire d'écotoxicologie, F-69616 Villeurbanne, France
| | - J M Olivier
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69622 Villeurbanne, France
| | - R Santos
- INRAE, UR RiverLy, Laboratoire d'écotoxicologie, F-69616 Villeurbanne, France
| | - N Teichert
- UMR 7208 BOREA, MNHN, CNRS, IRD, SU, UCN, UA, Laboratoire de Biologie des Organismes et Ecosystèmes Aquatiques, Paris, France
| | - A Besnard
- CEFE, Université Montpellier, CNRS, EPHE-PSL University, IRD, Montpellier, France
| | - A Devaux
- Univ Lyon, Université Claude Bernard Lyon 1, ENTPE, CNRS, INRAE, USC 1369, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin, France.
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El Idrissi O, Ternengo S, Monnier B, Lepoint G, Aiello A, Bastien R, Lourkisti R, Bonnin M, Santini J, Pasqualini V, Gobert S. Assessment of trace element contamination and effects on Paracentrotus lividus using several approaches: Pollution indices, accumulation factors and biochemical tools. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 869:161686. [PMID: 36690107 DOI: 10.1016/j.scitotenv.2023.161686] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/05/2023] [Accepted: 01/14/2023] [Indexed: 06/17/2023]
Abstract
Among the most common contaminants in marine ecosystems, trace elements are recognized as serious pollutants. In Corsica (NW Mediterranean Sea), near the old asbestos mine at Canari, trace elements from the leaching of mine residues have been discharged into the sea for several decades. The aim of this study was to assess the levels of contamination in this area and the potential effects on Paracentrotus lividus (Lamarck, 1816) using pollution indices, accumulation factors and biochemical tools. For this purpose, the concentration of 24 trace elements was measured in sea urchins (gonads and gut content), macroalgae, seawater column and sediment collected at 12 stations nearby the old asbestos mine and at a reference site. The bioaccumulation of trace elements occurs as follows: macroalgae > gut > gonads. TEPI contribute to highlight contamination gradients which are mainly due to the dominant marine currents allowing the migration of mining waste along the coastline. This hypothesis was supported by TESVI, which identified characteristic trace elements in the southern area of the mine. High hydrogen peroxide content, associated with elevated catalase and glutathione-S-transferase enzyme activities, were also identified at these sites and at the reference site. Trace elements contamination as well as several abiotic factors could explain these results (e.g. microbiological contamination, hydrodynamic events, etc.). The results obtained in this study suggest that oxidative stress induced by contamination does not affect the health of Paracentrotus lividus. This work has provided a useful dataset allowing better use of sea urchins and various tools for assessing trace element contamination in coastal ecosystems.
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Affiliation(s)
- O El Idrissi
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France; Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart Tilman, B6c, 4000 Liège, Belgium.
| | - S Ternengo
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - B Monnier
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - G Lepoint
- Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart Tilman, B6c, 4000 Liège, Belgium
| | - A Aiello
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - R Bastien
- Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - R Lourkisti
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - M Bonnin
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - J Santini
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France
| | - V Pasqualini
- Université de Corse Pasquale Paoli, UMR CNRS 6134 Sciences pour l'Environnement, 20250 Corte, France; Université de Corse Pasquale Paoli, UAR CNRS 3514 Plateforme marine Stella Mare, 20620 Biguglia, France
| | - S Gobert
- Université de Liège, Centre MARE, Focus, Laboratoire d'Océanologie, Sart Tilman, B6c, 4000 Liège, Belgium; STAtion de REcherche Sous-marines et Océanographiques (STARESO), 20260 Calvi, France
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Stocker J, Morel AP, Wolfarth M, Dias JF, Niekraszewicz LAB, Cademartori CV, Silva FRD. Basal levels of inorganic elements, genetic damages, and hematological values in captive Falco peregrinus. Genet Mol Biol 2022; 45:e20220067. [PMID: 35638824 PMCID: PMC9152845 DOI: 10.1590/1678-4685-gmb-2022-0067] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 04/19/2022] [Indexed: 11/21/2022] Open
Abstract
It is essential to determine the basal pattern of different biomarkers for future evaluation of animal health and biomonitoring studies. Due to their great displacement capacity and to being at the top of their food chains, birds of prey are suitable for monitoring purposes. Furthermore, some birds of prey are adapted to using resources in urban places, providing information about this environment. Thus, this study determined the basal frequency of micronuclei and other nuclear alterations in peripheral blood erythrocytes of Falco peregrinus. Hematological and inorganic elements analysis were also performed. For this purpose, 13 individuals (7 females and 6 males) were sampled in private breeding grounds. Micronucleus, nuclear buds, nucleoplasmic bridges, notched nuclei, binucleated cells and nuclear tails were quantified. Inorganic elements detected included the macro-elements Ca, P, Mg, Na, Cl, S and K as well as the micro-elements Fe, Al and Zn. Our study found similar values compared to previous studies determining the reference ranges of hematologic parameters in falcons. The only different value was observed in the relative number of monocytes. Thus, this study is the first approach to obtaining reference values of cytogenetic damage in this species and could be useful for future comparisons in biomonitoring studies.
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Affiliation(s)
- Julian Stocker
- Universidade La Salle, Laboratório de Ecogenotoxicologia, Canoas, RS, Brazil
- Universidade La Salle, Programa de Pós-graduação em Avaliação de Impactos Ambientais, Canoas, RS, Brazil
| | - Ana Paula Morel
- Universidade Federal de Pelotas (UFPEL), Programa de Pós-Graduação em Clínica Médica Veterinária, Pelotas, RS, Brazil
| | - Micaele Wolfarth
- Universidade La Salle, Laboratório de Ecogenotoxicologia, Canoas, RS, Brazil
| | - Johnny Ferraz Dias
- Universidade Federal do Rio Grande do Sul (UFRGS), Laboratório de Implantação Iônica, Instituto de Física, Porto Alegre, RS, Brazil
| | | | - Cristina V Cademartori
- Universidade La Salle, Programa de Pós-graduação em Avaliação de Impactos Ambientais, Canoas, RS, Brazil
- Universidade La Salle, Programa de Pós-graduação em Memória Social e Bens Culturais, Canoas, RS, Brazil
| | - Fernanda R da Silva
- Universidade La Salle, Laboratório de Ecogenotoxicologia, Canoas, RS, Brazil
- Universidade La Salle, Programa de Pós-graduação em Avaliação de Impactos Ambientais, Canoas, RS, Brazil
- Universidade La Salle, Programa de Pós-graduação em Saúde e Desenvolvimento Humano, Canoas, RS, Brazil
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Santos RM, Petry AC, Sousa VL, Souza HO, Azevedo A, Soares AR, Weber LI. Acute and subchronic effects of petroleum on the freshwater fish Hoplias aff. malabaricus. BRAZ J BIOL 2022; 84:e253731. [DOI: 10.1590/1519-6984.253731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Accepted: 10/19/2021] [Indexed: 11/22/2022] Open
Abstract
Abstract Petroleum water soluble fraction (WSF) impairs organisms, but damages may vary among cell and tissue levels. The aim of the present study was to evaluate the acute (24 h, 48 h, 72 h) and subchronic effects (36 days) of WSF (0%, 25% and 100%) in juveniles of the Neotropical top predator fish Hoplias aff. malabaricus. The effects of WSF were evaluated at a molecular level using the comet assay and micronucleus test for genome damage; and at a morphological level through histological identification of liver pathologic lesions. In both acute and subchronic exposure we found low levels of DNA damage (< 10% of comet tail) and non-significant frequency of micronucleus in WSF exposed fish. The most significant liver lesions in WSF exposed fish were fatty vacuolization, hypertrophy and focal necrosis. Since these tissue injuries were progressive and persistent, their irreversibility may negatively affect fish recruitment, even in a such resistant top predator.
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Affiliation(s)
| | - A. C. Petry
- Universidade Federal do Rio de Janeiro, Brasil
| | | | - H. O. Souza
- Universidade Federal do Rio de Janeiro, Brasil
| | - A. Azevedo
- Universidade Federal do Rio de Janeiro, Brasil
| | | | - L. I. Weber
- Universidade Federal do Rio de Janeiro, Brasil
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Oliveira KMGD, Carvalho EHDS, Santos Filho RD, Sivek TW, Thá EL, Souza IRD, Coelho LDDS, Pimenta MEB, Oliveira GARD, Oliveira DPD, Cestari MM, Leme DM. Single and mixture toxicity evaluation of three phenolic compounds to the terrestrial ecosystem. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 296:113226. [PMID: 34252852 DOI: 10.1016/j.jenvman.2021.113226] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 06/26/2021] [Accepted: 07/03/2021] [Indexed: 06/13/2023]
Abstract
Endocrine-disrupting chemicals (EDCs) are primarily studied regarding endocrine-mediated effects in mammals and fish. However, EDCs can cause toxicity by mechanisms outside the endocrine system, and, as they are released continuously into soils, they may pose risks to terrestrial organisms. In this work, the plant Allium cepa and the earthworm Eisenia foetida were used as test systems to evaluate the toxicity and cyto-/geno-toxicity of three environmental phenols known as EDCs (Bisphenol A - BPA, Octylphenol - OP, Nonylphenol - NP). The tested phenols were evaluated in environmentally relevant concentrations (μg/L) and in single forms and mixture. BPA, OP, and NP did not inhibit the seed germination and root development in A. cepa in their single forms and mixture. However, all single forms of the tested phenols caused cellular and DNA damages in A. cepa, and although these effects persist in the mixtures, the effects were verified at lower levels. These phenols caused acute toxicity to E. foetida after 48 h of exposure and at both conditions evaluated (single forms and mixture); however, unlike A. cepa, in earthworms, mixtures and single forms presented the same level of effects, indicating that interspecies physiological different might influence the mixture toxicity. In summary, our results suggest that BPA, OP, and NP are toxicants to earthworm and cyto-/geno-toxicants to monocotyledonous plants at low concentrations. However, interaction among these phenols reduces the magnitude of their individual effects (antagonistic effect) in the plant test system. Therefore, this study draws attention to the need to raise knowledge about the ecotoxicity of phenolic compounds to help predict their ecological risks and protect non-target terrestrial species.
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Affiliation(s)
- Ketelen Michele Guilherme de Oliveira
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil
| | | | - Ronaldo Dos Santos Filho
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil
| | - Tainá Wilke Sivek
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil
| | - Emanoela Lundgren Thá
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil
| | - Irisdoris Rodrigues de Souza
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil
| | - Lauren Dalat de Sousa Coelho
- Faculty of Pharmacy, Federal University of Goiás (UFG), Environmental Toxicology Research Laboratory (EnvTox), Goiânia, GO, Brazil
| | - Maria Eunice Bertelli Pimenta
- Faculty of Pharmacy, Federal University of Goiás (UFG), Environmental Toxicology Research Laboratory (EnvTox), Goiânia, GO, Brazil
| | - Gisele Augusto Rodrigues de Oliveira
- Faculty of Pharmacy, Federal University of Goiás (UFG), Environmental Toxicology Research Laboratory (EnvTox), Goiânia, GO, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, Araraquara, SP, Brazil
| | - Danielle Palma de Oliveira
- Faculty of Pharmaceutical Sciences of Ribeirão Preto (FCFRP), University of São Paulo (USP), Ribeirão Preto, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, Araraquara, SP, Brazil
| | - Marta Margarete Cestari
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil
| | - Daniela Morais Leme
- Graduate Program in Genetics, Departament of Genetics, Federal University of Paraná (UFPR), Centro Politécnico, Jardim das Américas, 81531-990, Curitiba, PR, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, Araraquara, SP, Brazil.
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D'Agostini F, La Maestra S. Micronuclei in Fish Erythrocytes as Genotoxic Biomarkers of Water Pollution: An Overview. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 258:195-240. [PMID: 34611757 DOI: 10.1007/398_2021_76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Freshwater and marine water bodies receive chemical contaminants from industrial, agricultural, urban, and domestic wastes. Eco-genotoxicity assays are useful tools to assess the cumulative genotoxicity of these pollutants. Fish are suitable indicators for biomonitoring of mutagenic and carcinogenic pollution.In this review, we present a complete overview of the studies performed so far using the micronucleus test in peripheral erythrocytes of fish exposed to polluted water. We have listed all the species of fish used and the geographical distribution of the investigations. We have analyzed and discussed all technical aspects of using this test in fish, as well as the advantages and disadvantages of the different experimental protocols. We have reported the results of all studies. This assay has become, for years, one of the simplest, fastest, and most cost-effective for assessing genotoxic risk in aquatic environments. However, there are still several factors influencing the variability of the results. Therefore, we have given indications and suggestions to achieve a standardization of experimental procedures and ensure uniformity of future investigations.
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Mothersill CE, Oughton DH, Schofield PN, Abend M, Adam-Guillermin C, Ariyoshi K, Beresford NA, Bonisoli-Alquati A, Cohen J, Dubrova Y, Geras’kin SA, Hevrøy TH, Higley KA, Horemans N, Jha AN, Kapustka LA, Kiang JG, Madas BG, Powathil G, Sarapultseva EI, Seymour CB, Vo NTK, Wood MD. From tangled banks to toxic bunnies; a reflection on the issues involved in developing an ecosystem approach for environmental radiation protection. Int J Radiat Biol 2020; 98:1185-1200. [DOI: 10.1080/09553002.2020.1793022] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
| | | | - Paul N. Schofield
- Department of Physiology, Development and Neuroscience, University of Cambridge, Cambridge, UK
| | - Michael Abend
- Bundeswehr Institute of Radiobiology, Munich, Germany
| | | | - Kentaro Ariyoshi
- Integrated Center for Science and Humanities, Fukushima Medical University, Fukushima City, Japan
| | | | | | - Jason Cohen
- Department of Biology and Department of Physics and Astronomy, McMaster University, Hamilton, Canada
| | - Yuri Dubrova
- Department of Genetics, University of Leicester, Leicester, UK
| | | | | | - Kathryn A. Higley
- School of Nuclear Science and Engineering, Oregon State University, Corvallis, OR, USA
| | - Nele Horemans
- Belgian Nuclear Research Centre (SCK CEN), Mol, Belgium
| | - Awadhesh N. Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | | | - Juliann G. Kiang
- Armed Forces Radiobiology Research Institute, Uniformed services University of the Health Sciences, Bethesda, MD, USA
| | - Balázs G. Madas
- Environmental Physics Department, Centre for Energy Research, Budapest, Hungary
| | - Gibin Powathil
- Department of Mathematics, Computational Foundry, Swansea University, Swansea, UK
| | | | | | - Nguyen T. K. Vo
- Department of Biology and Department of Physics and Astronomy, McMaster University, Hamilton, Canada
| | - Michael D. Wood
- School of Science, Engineering & Environment, University of Salford, Salford, UK
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10
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Mitra T, Mahanty A, Ganguly S, Mohanty BP. Transcriptomic responses to pollution in natural riverine environment in Rita rita. ENVIRONMENTAL RESEARCH 2020; 186:109508. [PMID: 32325295 DOI: 10.1016/j.envres.2020.109508] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2020] [Revised: 04/05/2020] [Accepted: 04/08/2020] [Indexed: 06/11/2023]
Abstract
Aquatic pollution is one of the most common threats to the ecological health of aquatic ecosystems and its biota. Fish as lower vertebrates are excellent model to study the impact and responses of aquatic pollution. In fish, gill is the main organ indicator of whole animal health as it comes in contact with the surrounding water and absorbs many pollutants and contaminants; therefore, investigations on alterations in fish gill at transcriptome level could provide newer insights to the stress response mechanism(s) and pathways. For comprehensive evaluation of the impacts of pollutants (joint toxicity) prevalent in the riverine environment, comparative transcriptome analysis, by Next Generation Sequencing under Illumina HiSeq 2500 platform, was carried out in gill tissues of Rita rita collected from two stretches of river Ganga (Kanpur and Farakka) and results were validated by RT-qPCR. Out of 154,077 unigenes (Accession SRR548008), a total of 2024 differentially expressed genes (DEGs) including 942 up-regulated and 1082 down-regulated genes were identified by DESeq program. Further, Gene Ontology (GO) of DEGs showed that ribosomal large subunit biogenesis, mitochondrial ribosome and box H/ACA SnoRNA binding categories are highly affected by pollution. Kyoto Encyclopaedia of Genes and Genomes (KEGG) pathway analysis showed the involvement of the DEGs in energy metabolism, translational and transcriptional machinery, protein folding and degradation suggesting that these signalling pathways are highly affected by aquatic pollution. Among the DEGs, up-regulation of cytochrome c oxidase subunit (cox) 7a2 (69.47 fold), hsp70 subunit 14 (hsp70-14, 5.27 fold), muscle related coiled-coil protein (MURC, 21.55 fold), lysozyme G (40.14 fold), cox17 (29.36 fold) were the conspicuous ones which showed similar trends in expression when analysed by RT-qPCR. Based on fold change, perturbation values, correlation analysis by PCA and RT-qPCR validation, up-regulation of cox7a2, MURC and hsp70-14 appeared to be the most promising biomarker responses and could be useful in the evaluation of gill health and possibly be extended towards aquatic ecosystem health assessment.
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Affiliation(s)
- Tandrima Mitra
- ICAR- Central Inland Fisheries Research Institute, Fishery Resource and Environmental Management Division, Biochemistry Laboratory, Barrackpore, Kolkata, 700 120, India; School of Biotechnology, KIIT-Deemed to be University, Patia, Bhubaneswar, 751024, India
| | - Arabinda Mahanty
- ICAR- Central Inland Fisheries Research Institute, Fishery Resource and Environmental Management Division, Biochemistry Laboratory, Barrackpore, Kolkata, 700 120, India; ICAR-National Rice Research Institute, Crop Protection Division, Cuttack, 753006, India
| | - Satabdi Ganguly
- ICAR- Central Inland Fisheries Research Institute, Fishery Resource and Environmental Management Division, Biochemistry Laboratory, Barrackpore, Kolkata, 700 120, India
| | - Bimal Prasanna Mohanty
- ICAR- Central Inland Fisheries Research Institute, Fishery Resource and Environmental Management Division, Biochemistry Laboratory, Barrackpore, Kolkata, 700 120, India; ICAR-Fisheries Science Division, Krishi Anusandhan Bhawan II, Pusa, New Delhi, 110 012, India.
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11
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Frantzen M, Bytingsvik J, Tassara L, Reinardy HC, Refseth GH, Watts EJ, Evenset A. Effects of the sea lice bath treatment pharmaceuticals hydrogen peroxide, azamethiphos and deltamethrin on egg-carrying shrimp (Pandalus borealis). MARINE ENVIRONMENTAL RESEARCH 2020; 159:105007. [PMID: 32662438 DOI: 10.1016/j.marenvres.2020.105007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2019] [Revised: 04/26/2020] [Accepted: 04/28/2020] [Indexed: 06/11/2023]
Abstract
This study investigated effects of sea lice pharmaceuticals on egg-bearing deep-water shrimp (Pandalus borealis). Both mortality and sub-lethal effects (behavior, embryo development, and reproductive output) were studied for each of three pharmaceuticals alone and in different sequential combinations. The most severe effect was observed for deltamethrin where 2 h exposure to 330 times diluted treatment dose (alone and in sequential application with hydrogen peroxide and azamethiphos) induced almost 100% mortality within a few days after exposure. Similar effects were not observed for hydrogen peroxide or azamethiphos. However, sequential treatment of hydrogen peroxide and azamethiphos (2 h exposure to each pharmaceutical; 500 times dilution) resulted in >40% mortality during the first week following treatment. No sub-lethal effects or loss of eggs in female shrimp could be related to exposure to the bath treatments. Future studies should investigate potential sub-lethal effects at exposure concentrations close to the no-effect concentration.
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Affiliation(s)
| | | | - Luca Tassara
- Akvaplan-niva, Fram Centre, 9296, Tromsø, Norway.
| | - Helena C Reinardy
- The Scottish Association for Marine Science, Scottish Marine Institute, Oban, Argyll, PA37 1QA, UK; UNIS, The University Centre in Svalbard, Longyearbyen, 9171, Svalbard, Norway.
| | | | | | - Anita Evenset
- Akvaplan-niva, Fram Centre, 9296, Tromsø, Norway; UiT, The Arctic University of Norway. Faculty of Biosciences, Fisheries and Economics, 037, Tromsø, Norway.
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12
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Rybakovas A, Arbačiauskas K, Markovskienė V, Jokšas K. Contamination and genotoxicity biomarker responses in bivalve mussels from the major Lithuanian rivers. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2020; 61:338-354. [PMID: 31569264 DOI: 10.1002/em.22336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 09/04/2019] [Accepted: 09/11/2019] [Indexed: 06/10/2023]
Abstract
European inland waters are under continuous threat of anthropogenic pollution. Determination of background level of biomarker response and subsequent classification of the impact increases the applicability of results. In the current study, we evaluate the range of chemical contamination by measuring the concentrations of metals, polycyclic aromatic hydrocarbons and polychlorinated biphenyls, and the levels of environmental genotoxicity by using the micronuclei and nuclear bud tests in bivalve mussels of the major Lithuanian rivers. Second, we aimed to evaluate the association between chemical contamination and genotoxicity biomarker responses. Finally, we set to determine the background level of genotoxic effects. Such value (summed frequency of MN and NB) was assessed-6‰. On that basis, we develop a scale of potential genotoxic impact and perform ranging sites into five categories. The results clearly indicate the existence of significant differences in the levels of chemical pollution and genotoxicity in different sites. Increased levels of studied parameters were assessed at the areas affected by municipal and industrial effluents, road runoff, combustion products, and in the area contaminated by accidental spillage. On the other hand, downstream decrease of contamination level, presumably associated with biological degradation and photochemical oxidation, were also observed. Genotoxicity parameters were associated with PAH and metal concentrations measured in mussel tissues as well as in sediments. Results also indicate that in situ genotoxicity assessment performed in the areas affected by long-term contamination of municipal origin might be not sufficiently precise. Study highlights the necessity to combine genotoxicity assessment with chemical analysis. Environ. Mol. Mutagen. 61:338-354, 2020. © 2019 Wiley Periodicals, Inc.
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Affiliation(s)
| | - Kęstutis Arbačiauskas
- Nature Research Centre, Vilnius, Lithuania
- Life Sciences Center of Vilnius University, Institute of Biosciences, Vilnius, Lithuania
| | - Vaida Markovskienė
- Life Sciences Center of Vilnius University, Institute of Biosciences, Vilnius, Lithuania
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13
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Nascimento FA, Silva DDME, Nunes HF, Parise MR. Evaluation of DNA damage and toxicological methodology development: A bibliometric study. Hum Exp Toxicol 2020; 39:870-880. [PMID: 32031416 DOI: 10.1177/0960327120903481] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Genomic instability is a risk to organism health detected by methods such as the comet assay (CA). It is a highly sensitive and versatile method to detect low levels of DNA damage in a wide range of cells from humans as well as from other species as compared to other methods with the same proposal. CA is a powerful DNA damage analysis tool and its applicability extends to the genotoxicity analysis of, that is, drugs and carcinogenic substances. This study analyzed papers employing CA in the Scopus database in order to assess its scientific importance, employability, and trends by evaluating: number of articles per year, total citations and per year, country of publication and their clusters, clusters of authors, most frequently abstracts terms, name of journal, affiliations, country of publication, subject area, relevant keywords compared to citation clusters, and impact factor (IF) CiteScore. It was retrieved 13,828 articles from 1990 to 2018, with a peak in 2014 and a decline from 2015 to 2018. Four author clusters from China, United States, India, and Brazil were identified, countries presenting the greatest number of publications. China presented the most recent scientific advances in the field. It was also detected nine clusters of themes, and a positive correlation between publications, citations, and the IF. There are full employability and versatility in the use of the method. Currently, there is an advance in Chinese scientific production on the subject, and there is greater use of the method on oxidative damage researches.
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Affiliation(s)
- F A Nascimento
- Laboratório de Mutagênese (LabMut), Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Brazil
| | - D de Melo E Silva
- Laboratório de Mutagênese (LabMut), Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Brazil
| | - H F Nunes
- Laboratório de Mutagênese (LabMut), Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Brazil
| | - M R Parise
- Laboratório de Mutagênese (LabMut), Instituto de Ciências Biológicas, Universidade Federal de Goiás, Goiânia, Brazil
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14
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Costa SR, Velasques RR, Hoff MLM, Souza MM, Sandrini JZ. Characterization of different DNA repair pathways in hepatic cells of Zebrafish (Danio rerio). DNA Repair (Amst) 2019; 83:102695. [DOI: 10.1016/j.dnarep.2019.102695] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 08/15/2019] [Accepted: 08/26/2019] [Indexed: 01/03/2023]
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15
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de Lima GG, Mendes C, de Marchi G, Vicari T, Cestari MM, Gomes MF, Ramsdorf WA, Magalhães WLE, Hansel FA, Leme DM. The evaluation of the potential ecotoxicity of pyroligneous acid obtained from fast pyrolysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 180:616-623. [PMID: 31132557 DOI: 10.1016/j.ecoenv.2019.05.058] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 05/16/2019] [Accepted: 05/17/2019] [Indexed: 06/09/2023]
Abstract
Pyroligneous acid (PA) is a by-product of bio-oil, which is obtained by pyrolysis of the wood. This product has been tested for use in several areas, such as agriculture, as a promising green herbicide; however, there are few scientific data regarding its environmental impacts. For this study, an ecotoxicity testing battery, composed of Daphnia magna acute toxicity test, Allium cepa test and in vitro Comet assay with the rainbow trout gonad-2 cell fish line (RTG-2) were used to evaluate the acute toxicity and genotoxicity of PA obtained from fast pyrolysis of eucalyptus wood fines. The PA presented acute toxicity to D. magna (microcrustacea) with EC50 of 26.12 mg/L, and inhibited the seed germination (EC50 5.556 g/L) and root development (EC50 3.436 g/L) of A. cepa (higher plant). No signs of genotoxicity (chromosomal aberrations and micronuclei in A. cepa and primary DNA lesions in RTG-2 cells) were detected to this product. The acute toxicity and absence of genotoxicity may relate to the molecules found in the PA, being the phenolic fraction the key chemical candidate responsible for the toxicity observed. In addition, daphnids seem to be more sensitivity to the toxicity of PA than higher plants based on their EC50 values. This first ecotoxicological evaluation of PA from fast pyrolysis pointed out the need of determining environmental exposure limits to promote the safer agriculture use of this product, avoiding impacts to living organisms.
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Affiliation(s)
- Gabriel Goetten de Lima
- Graduate Program in Engineering and Science of Materials - PIPE, Federal University of Paraná - UFPR, 81.531-990 Curitiba PR, Brazil; Materials Research Institute, Athlone Institute of Technology, Athlone, Ireland
| | - Camila Mendes
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | - Gustavo de Marchi
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | - Taynah Vicari
- Department of Genetics, Federal University of Paraná, Curitiba, PR, Brazil
| | | | - Monike F Gomes
- Laboratory of Ecotoxicology, Federal University of Technology - Paraná, Curitiba, PR, Brazil
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16
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Jha DK, Sayrav K, Mishra GP, Mishra BB, Kumari A, Kumar A, Khan PK. Risk assessment of low arsenic exposure using biomarkers of oxidative and genotoxic stress in a piscine model. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:669-679. [PMID: 31256308 DOI: 10.1007/s10646-019-02060-y] [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: 05/30/2019] [Indexed: 06/09/2023]
Abstract
The high level exposure to arsenic induces marked oxidative and genotoxic stress. However, information on the potential of low level arsenic exposure in this context is still scanty. In the present study, the extent of oxidative stress and genetic toxicity induced by low arsenic exposure was explored in freshwater fish Channa punctatus. Fish were exposed to low levels of arsenic (10 and 50 µg L-1) as well as to its high level (500 µg L-1) using sodium arsenite in aquaria water for 14 consecutive days. The TBARS assay for lipid peroxidation exhibited the increased occurrence of oxidative damage in the erythrocytes of fish at both the lower and higher levels of arsenic exposure. The level of reduced glutathione was also elevated in all the three arsenic exposed groups of fish compared to control. In contrast, significant decline was observed in the levels of three major antioxidant enzymes namely, superoxide dismutase, catalase and glutathione peroxidase, upon exposure to higher as well as lower levels of arsenic. Significant increases in micronucleus induction were found in the erythrocytes of fish even at the low levels of arsenic exposure. The study further revealed the occurrence of DNA fragmentation in the erythrocytes of fish at low arsenic exposures as well. The low level exposure to arsenic (using sodium arsenite), therefore, appeared to be capable of inducing noticeable oxidative stress as well as potential genotoxic effect in Channa punctatus. Moreover, the ability of arsenic to induce oxidative stress invariably appeared correlated with its genotoxic potential.
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Affiliation(s)
- Deepak K Jha
- Department of Zoology, Patna University, Patna, 800 005, India
| | - Kumar Sayrav
- Department of Zoology, Patna University, Patna, 800 005, India
| | - Gaurav P Mishra
- Department of Zoology, Patna University, Patna, 800 005, India
| | - Bipin B Mishra
- Department of Biochemistry, Patna University, Patna, 800 005, India
| | - Anupma Kumari
- Department of Zoology, Patna University, Patna, 800 005, India
| | - Amod Kumar
- Kirori Mal College, University of Delhi, New Delhi, 110 007, India
| | - Parimal K Khan
- Department of Zoology, Patna University, Patna, 800 005, India.
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17
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Reinardy HC, Pedersen KB, Nahrgang J, Frantzen M. Effects of mine tailings exposure on early life stages of atlantic cod. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:1446-1454. [PMID: 30901098 PMCID: PMC6851963 DOI: 10.1002/etc.4415] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 11/27/2018] [Accepted: 03/12/2019] [Indexed: 05/16/2023]
Abstract
In Norway, mine tailings waste can be deposited by coastal submarine dispersal. Mine tailings slurry includes fine particles <10 µm with elevated levels of metals (e.g., copper, iron) from residual mineral ore. Prolonged suspension of small particles in the water column may bring them into contact with locally spawned pelagic fish eggs, including Atlantic cod, Gadus morhua. Newly fertilized cod embryos were exposed to suspended mine tailings particles up to 3.2 mg/L in flow-through aquaria for a total of 21 d. Significantly more particles adhered to the surface of the chorion from the high treatment after 11-d exposure, and dissolved Cu concentrations increased in the water (up to 0.36 ± 0.06 µg/L). There was no adverse effect on embryo mortality but an 8% elevation in larval mortality. There were no differences with treatment on timing of hatching, embryo and larva morphometrics, abnormalities, or cardiac activity. There was a treatment-dependent up-regulation of stress marker genes (hspa8, cyp1c1) but no indication of metal-induced activation of metallothionien (mt gene transcription). Transcription markers for DNA and histone methyltransferases did show treatment-related up-regulation, indicative of altered methylation in larvae when developmental methylation patterns are determined, indicating some level of chronic toxicity that may have longer-term effects. Environ Toxicol Chem 2019;38:1446-1454. © 2019 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals, Inc. on behalf of SETAC.
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Affiliation(s)
- Helena C. Reinardy
- Department of Arctic TechnologyUniversity Centre in SvalbardLongyearbyenSvalbardNorway
| | | | - Jasmine Nahrgang
- Department of Arctic and Marine BiologyUiT The Arctic University of NorwayTromsøNorway
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18
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Vernon EL, Jha AN. Assessing relative sensitivity of marine and freshwater bivalves following exposure to copper: Application of classical and novel genotoxicological biomarkers. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 842:60-71. [DOI: 10.1016/j.mrgentox.2019.01.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2018] [Revised: 01/15/2019] [Accepted: 01/17/2019] [Indexed: 12/20/2022]
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19
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Boukadida K, Cachot J, Morin B, Clerandeau C, Banni M. Moderate temperature elevation increase susceptibility of early-life stage of the Mediterranean mussel, Mytilus galloprovincialis to metal-induced genotoxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 663:351-360. [PMID: 30716625 DOI: 10.1016/j.scitotenv.2019.01.215] [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: 10/18/2018] [Revised: 01/17/2019] [Accepted: 01/18/2019] [Indexed: 06/09/2023]
Abstract
The present study aims to evaluate the effects of copper and silver alone or along with a moderate temperature increase on embryonic development, DNA integrity and target gene expression levels in early life stages of Mytilus galloprovincialis. For this purpose, upon fertilized embryos were exposed to a sub-lethal concentration of Cu (9.54 μg/L), Ag (2.55 μg/L) and to the mixture of the two metals (Cu (6.67 μg/L) + Ag (1.47 μg/L)) along with a temperature gradient (18, 20 and 22 °C). In all experiments, larvae were exposed to stressors for 48 h except for those designed to DNA damage analysis exposed only for 24 h (before shell formation).Our results showed a significant increase in the percentage of malformed D-larvae (p < 0.05) with increasing temperature and exposure to silver and copper alone or in a mixture. Moreover, metal toxicity increased significantly (p < 0.05) with the temperature rise. Genotoxicity was evaluated using classic and modified with Formamidopyrimidine DNA glycosylase (Fpg) Comet assay. Results suggest that co-exposure to metals and temperature significantly increased DNA damage on mussel larvae with a more accentuated oxidative damage. A significant transcription modulation was observed for genes involved in DNA repair and DNA replication (p53, DNA ligase II and topoisomerase II) when larvae are exposed to a single stressor. However, in the case of multiple stresses, caspase involved in the cell apoptosis pathway was overexpressed. Our study suggests that mussel larvae exposed to a moderate increase in temperature may have a compromised ability to defend against genotoxicity. This is particularly relevant in the context of global warming and thermal pollution.
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Affiliation(s)
- Khouloud Boukadida
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France; Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, 4042 Sousse, Tunisia
| | - Jérôme Cachot
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France
| | - Bénédicte Morin
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France
| | - Christelle Clerandeau
- Laboratory of Oceanic and Continental Environments and Paleoenvironments, University of Bordeaux, EPOC, UMR 5805, F-33600 Pessac, France
| | - Mohamed Banni
- Laboratory of Biochemistry and Environmental Toxicology, ISA, Chott-Mariem, 4042 Sousse, Tunisia.
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20
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Ouanes-Ben Othmen Z, Barka S, Adeljelil ZB, Mouelhi S, Krifa M, Kilani S, Chekir-Ghedira L, Forget-Leray J, Hamza-Chaffai A. In situ genotoxicity assessment in freshwater zooplankton and sediments from different dams, ponds, and temporary rivers in Tunisia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:1435-1444. [PMID: 30426375 DOI: 10.1007/s11356-018-3703-6] [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: 05/18/2018] [Accepted: 11/06/2018] [Indexed: 06/09/2023]
Abstract
Tunisia water resources are limited. The country currently has 29 large dams, more than 1000 hill lakes, and 220 small dams which are essential for economic and social development given their contribution to irrigation, drinking water consumption, flooding protection, production of electrical energy, groundwater recharge, and industrial uses. Given the scarcity of these resources, it is crucial to be able to ensure the quality of freshwater environments, particularly those intended for human consumption. In this study, we meant to assess the health status of various freshwater ecosystems in different regions of Tunisia (north and center west) in order to detect genotoxic components in sediments and their potential effect on zooplankton (cladocerans). Sediment and cladoceran species were collected from dams, ponds, and temporary rivers in Tunisia. For each collection site, micronucleus (MN) assay was performed, in triplicates, using a pool of ten specimens of the same cladoceran species. MN occurrence in cladocerans varied from one site to another and MN frequencies varied between 0.67 and 22‰, suggesting the presence of genotoxic substances in certain sites. Sediment genotoxicity and mutagenicity were assessed using the SOS Chromotest and the Ames test. Sediment results showed that genotoxicity varies from one site to another displaying a quantitative and a qualitative variation of pollutant among the sites. These results suggest an urgent need for continuous monitoring of freshwater environments in Tunisia, particularly those intended for drinking water.
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Affiliation(s)
- Zouhour Ouanes-Ben Othmen
- Unité de Recherche de Toxicologie Environnementale et Marine, UR 09-03, IPEIS Sfax University, Sfax, Tunisia.
| | - Sabria Barka
- Unité de Recherche de Toxicologie Environnementale et Marine, UR 09-03, IPEIS Sfax University, Sfax, Tunisia
| | - Zied Ben Adeljelil
- Biochemistry Laboratory-Medicine Faculty of Monastir: LR12ES05, Monastir University, Monastir, Tunisia
| | - Samia Mouelhi
- Unité de Recherche de Biologie Animale et Systématique Evolutive 2092, Faculté des Sciences de Tunis, Campus Universitaire Manar II, Tunis, Tunisia
| | - Mounira Krifa
- Unité de Recherche de Pharmacognosie/Biologie Moléculaire 99/UR/07-03, Faculté de Pharmacie, Monastir University, Rue Avicenne, Monastir, Tunisia
| | - Soumaya Kilani
- Unité de Recherche de Pharmacognosie/Biologie Moléculaire 99/UR/07-03, Faculté de Pharmacie, Monastir University, Rue Avicenne, Monastir, Tunisia
| | - Leila Chekir-Ghedira
- Unité de Recherche de Pharmacognosie/Biologie Moléculaire 99/UR/07-03, Faculté de Pharmacie, Monastir University, Rue Avicenne, Monastir, Tunisia
| | - Joëlle Forget-Leray
- Laboratoire d'Ecotoxicologie des Milieux Aquatiques, EA 3222, FED 4116 SCALE, Université du Havre, rue Philippe Lebon, Le Havre, France
| | - Amel Hamza-Chaffai
- Unité de Recherche de Toxicologie Environnementale et Marine, UR 09-03, IPEIS Sfax University, Sfax, Tunisia
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Guidi P, Lyons BP, Frenzilli G. The Comet Assay in Marine Animals. Methods Mol Biol 2019; 2031:275-286. [PMID: 31473965 DOI: 10.1007/978-1-4939-9646-9_14] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/24/2023]
Abstract
Comet assay is a quick and versatile technique for assessing DNA damage in individual cells. It allows for the detection of DNA single- and double-strand breaks, as well as the presence of alkali labile sites and cross-links. Here we describe protocols for the single-cell gel electrophoresis (Comet assay) in its alkaline (pH > 13), mild alkaline (pH = 12.1) and neutral (pH = 8) versions when applied in marine animals.
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Affiliation(s)
- Patrizia Guidi
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | | | - Giada Frenzilli
- Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy.
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22
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Vernon EL, Smith JT, Jha AN. Relative comparison of tissue specific bioaccumulation and radiation dose estimation in marine and freshwater bivalve molluscs following exposure to phosphorus-32. JOURNAL OF ENVIRONMENTAL RADIOACTIVITY 2018; 192:312-320. [PMID: 30015316 DOI: 10.1016/j.jenvrad.2018.07.005] [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: 04/25/2018] [Revised: 07/02/2018] [Accepted: 07/06/2018] [Indexed: 06/08/2023]
Abstract
With respect to environmental protection, understanding radionuclide bioconcentration is necessary to relate exposure to radiation dose and hence to biological responses. Few studies are available on tissue specific accumulation of short-lived radionuclides in aquatic invertebrates. Short-lived radionuclides such as 32Phosphorus (32P), although occurring in small quantities in the environment, are capable of concentrating in the biota, especially if they are chronically exposed. In this study, we firstly compared tissue specific bioaccumulation and release (depuration) of 32P in adult marine (Mytilus galloprovincialis, MG) and freshwater bivalve molluscs (Dreissena polymorpha, DP). Secondly, using the Environmental Risk from Ionising Contaminants Assessment and Management (ERICA) tool, we calculated tissue specific doses following determination of radionuclide concentration. Marine and freshwater bivalves were exposed for 10 days to varying 32P concentrations to acquire desired whole body average dose rates of 0.10, 1.0 and 10 mGy d-1. Dose rates encompass a screening dose rate value of 10 μGy h-1 (0.24 mGy d-1), in accordance with the ERICA tool. This study is the first to relate tissue specific uptake and release (via excretion) of 32P from two anatomically similar bivalve species. Results showed highly tissue specific accumulation of this radionuclide and similarity of accumulation pattern between the two species. Our data, which highlights preferential 32P accumulation in specific tissues such as digestive gland, demonstrates that in some cases, tissue-specific dose rates may be required to fully evaluate the potential effects of radiation exposure on non-human biota. Differential sensitivity between biological tissues could result in detrimental biological responses at levels presumed to be acceptable when adopting a 'whole-body' approach.
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Affiliation(s)
- Emily L Vernon
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK
| | - Jim T Smith
- School of Earth and Environmental Sciences, University of Portsmouth, Portsmouth, PO1 3QL, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, Devon, PL4 8AA, UK.
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23
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Xu K, Tang Z, Liu S, Liao Z, Xia H, Liu L, Wang Z, Qi P. Effects of low concentrations copper on antioxidant responses, DNA damage and genotoxicity in thick shell mussel Mytilus coruscus. FISH & SHELLFISH IMMUNOLOGY 2018; 82:77-83. [PMID: 30098444 DOI: 10.1016/j.fsi.2018.08.016] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2018] [Revised: 08/04/2018] [Accepted: 08/07/2018] [Indexed: 06/08/2023]
Abstract
For the aim to study potential detrimental effects induced by Cu exposure at low, environmentally relevant concentrations, the in vivo activities at different levels of biological organisations of thick shell mussel Mytilus coruscus exposed to two levels of copper were assessed. Cu-induced stresses were evaluated through antioxidant responses, DNA damage and genotoxicity. The results revealed significant higher SOD and CAT activities, and MDA concentration in haemocytes of M. coruscus with Cu exposure at 8 μg/L, while only significant accumulation in CAT activity with Cu exposure at 2 μg/L and no significant changes with SOD activity and MDA concentration at this level of Cu exposure. Copper exposure induced DNA damage as induction of OTM value in a time- and concentration-dependent manner. In addition, copper exposure could significantly induced the expressions of MT-10, Hsp70, Hsp90 and C3. The present results deepen the mussels as a suitable model marine invertebrate species to study potential detrimental effects induced by possible toxicants, in combinations at different levels of biological organisations.
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Affiliation(s)
- Kaida Xu
- Key Laboratory of Sustainable Utilization of Technology Research, Scientific Observing and Experimental Station of Fishery Resources for Key Fishing Grounds, MOA, Marine Fisheries Research Institute of Zhejiang, Zhejiang, Zhoushan, 316021, China
| | - Zurong Tang
- National Engineering Research Center of Marine Facilities Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhejiang, Zhoushan, 316004, China
| | - Shuobo Liu
- National Engineering Research Center of Marine Facilities Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhejiang, Zhoushan, 316004, China
| | - Zhi Liao
- National Engineering Research Center of Marine Facilities Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhejiang, Zhoushan, 316004, China
| | - Hu Xia
- Collaborative Innovation Center for Efficient and Health Production of Fisheries in Hunan Province, Hunan University of Arts and Science, Hunan, Changde, 415000, China
| | - Lianwei Liu
- Key Laboratory of Sustainable Utilization of Technology Research, Scientific Observing and Experimental Station of Fishery Resources for Key Fishing Grounds, MOA, Marine Fisheries Research Institute of Zhejiang, Zhejiang, Zhoushan, 316021, China
| | - Zhongming Wang
- Key Laboratory of Sustainable Utilization of Technology Research, Scientific Observing and Experimental Station of Fishery Resources for Key Fishing Grounds, MOA, Marine Fisheries Research Institute of Zhejiang, Zhejiang, Zhoushan, 316021, China
| | - Pengzhi Qi
- National Engineering Research Center of Marine Facilities Aquaculture, Marine Science and Technology College, Zhejiang Ocean University, Zhejiang, Zhoushan, 316004, China.
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Cuevas N, Zorita I. Baseline levels of environmental genotoxicity and potential confounding factors using common sole (Solea solea) as sentinel organism. MARINE ENVIRONMENTAL RESEARCH 2018; 138:1-8. [PMID: 29605424 DOI: 10.1016/j.marenvres.2018.03.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2018] [Revised: 03/20/2018] [Accepted: 03/20/2018] [Indexed: 06/08/2023]
Abstract
Micronuclei (MN) and nuclear buds (NB) frequency was assessed monthly over a one-year period in erythrocytes of common soles (Solea solea) from the Basque continental shelf, a minor disturbed area, in order to determine baseline levels and potential biotic and abiotic confounding factors within biomonitoring purposes. Both genotoxic parameters presented seasonal variations, although only NB frequency was positively correlated with environmental variables (i.e. water temperature and salinity). On the contrary, MN and NB were not affected by age and gender. Therefore, samples of combined age and gender can be used for biomonitoring genotoxic effects, although sampling period together with water temperature and salinity should be thoroughly considered for NB. Overall, these findings are the first attempt to establish baseline MN (0.10-0.78‰) and NB (0.13-0.82‰) frequencies in common sole from Basque marine waters, which are useful for upcoming data comparisons and integration within genotoxicity evaluation procedures of similar marine environments under biomonitoring scopes.
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Affiliation(s)
- N Cuevas
- AZTI, Txatxarramendi Ugartea z/g, 48395, Sukarrieta, Spain.
| | - I Zorita
- AZTI, Herrera Kaia, Portualdea z/g, 20110, Pasaia, Spain.
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Expression patterns and mutation analysis of p53 in fish Rita rita from polluted riverine environment. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2018; 832-833:41-51. [PMID: 30057020 DOI: 10.1016/j.mrgentox.2018.05.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2017] [Revised: 04/12/2018] [Accepted: 05/29/2018] [Indexed: 12/14/2022]
Abstract
The present study was undertaken to investigate the alterations in gene expression patterns and for mutation analysis of p53 in the riverine catfish Rita rita collected from polluted riverine habitat. The partial p53 gene sequence of Rita rita generated showed a high degree of similarities with the DNA binding domains of fishes, mice and human. Transcriptomic analysis, carried out by quantitative real-time Polymerase Chain Reaction (RT-qPCR), showed significant down-regulation of p53 in fishes collected from most of the polluted stretches. Similar trend in protein abundance was observed by western blot analysis. Down-regulation of p53 was more pronounced in gill than liver. Expression patterns of p53 suggest that exposure to a multitude of contaminants in the natural riverine ecosystem could suppress the expression of p53. Genomic DNA showed a low stained smear pattern upon electrophoresis, with no evidence of DNA fragmentation. For mutation analysis PCR-SSCP followed by sequence analysis was carried out, which identified eight mutations; two at codon level and six missense mutations in the DNA binding domain IV and V. Secondary structure prediction showed that these mutations could lead to impairment of protein structure. Thus, the present study indicated that aquatic pollution has impacted these lower vertebrates which are reflected by the down-regulation of tumor suppressor protein (p53) in majority of the stretches studied.
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Dallas LJ, Turner A, Bean TP, Lyons BP, Jha AN. An integrated approach to assess the impacts of zinc pyrithione at different levels of biological organization in marine mussels. CHEMOSPHERE 2018; 196:531-539. [PMID: 29329085 DOI: 10.1016/j.chemosphere.2017.12.144] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2017] [Revised: 12/21/2017] [Accepted: 12/22/2017] [Indexed: 06/07/2023]
Abstract
The mechanisms of sublethal toxicity of the antifouling biocide, zinc pyrithione (ZnPT), have not been well-studied. This investigation demonstrates that 14-d sublethal exposure to ZnPT (0.2 or 2 μM, alongside inorganic Zn and sea water controls) is genotoxic to mussel haemocytes but suggests that this is not caused by oxidative DNA damage as no significant induction of oxidised purines was detected by Fpg-modified comet assay. More ecologically relevant endpoints, including decreased clearance rate (CR), cessation of attachment and decreased tolerance of stress on stress (SoS), also showed significant response to ZnPT exposure. Our integrated approach was underpinned by molecular analyses (qRT-PCR of stress-related genes, 2D gel electrophoresis of proteins) that indicated ZnPT causes a decrease in phosphoenolpyruvate carboxykinase (PEPCK) expression in mussel digestive glands, and that metallothionein genes are upregulated; PEPCK downregulation suggests that altered energy metabolism may also be related to the effects of ZnPT. Significant relationships were found between % tail DNA (comet assay) and all higher level responses (CR, attachment, SoS) in addition to PEPCK expression. Principal component analyses suggested that expression of selected genes described more variability within groups whereas % tail DNA reflected different ZnPT concentrations.
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Affiliation(s)
- Lorna J Dallas
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
| | - Andrew Turner
- School of Geography, Earth & Environmental Sciences, University of Plymouth, Plymouth, UK.
| | - Tim P Bean
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, UK
| | - Brett P Lyons
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, UK
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27
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Krysanov EY, Ordzhonikidze KG, Simanovsky SA. Cytogenetic indicators in estimation of environmental state. Russ J Dev Biol 2018. [DOI: 10.1134/s1062360418010034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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D’costa AH, S.K. S, M.K. PK, Furtado S. The Backwater Clam ( Meretrix casta ) as a bioindicator species for monitoring the pollution of an estuarine environment by genotoxic agents. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2018; 825:8-14. [DOI: 10.1016/j.mrgentox.2017.11.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 11/01/2017] [Accepted: 11/02/2017] [Indexed: 12/13/2022]
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29
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Langan LM, Arossa S, Owen SF, Jha AN. Assessing the impact of benzo[a]pyrene with the in vitro fish gut model: An integrated approach for eco-genotoxicological studies. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2017; 826:53-64. [PMID: 29412870 DOI: 10.1016/j.mrgentox.2017.12.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 10/06/2017] [Accepted: 12/18/2017] [Indexed: 12/31/2022]
Abstract
In vitro models are emerging tools for reducing reliance on traditional toxicity tests, especially in areas where information is sparse. For studies of fish, this is especially important for extrahepatic organs, such as the intestine, which, until recently, have been largely overlooked in favour of the liver or gill. Considering the importance of dietary uptake of contaminants, the rainbow trout (Oncorhynchus mykiss) intestine-derived cell line RTgutGC was cultured, to test its suitability as a high-throughput in vitro model. Benzo[a]pyrene (B[a]P) is an important contaminant and a model polycyclic aromatic hydrocarbon (PAH). Over 48 h exposure, a range of endpoints and xenobiotic metabolism rates were examined at three different pH levels indicative of the in vitro (pH 7.5) and in vivo mid-gut (pH 7.7) and hind-gut (pH 7.4) regions as a function of time. These endpoints included (i) cell viability: acid phosphatase (APH) and lactate dehydrogenase (LDH) assays; (ii) glucose uptake; (iii) cytochrome P450 enzyme activity: 7-ethoxyresoorufin-O-deethylase (EROD) assay; (iv) glutathione transferase (GST) activity; (v) genotoxic damage determined using the comet assay. Absence of cell viability loss, in parallel with decrease in the parent compound (B[a]P) in the medium and its subsequent increase in the cells suggested active sequestration, biotransformation, and removal of this representative PAH. With respect to genotoxic response, significant differences were observed at both the sampling times and the two highest concentrations of B[a]P. No significant differences were observed for the different pH conditions. Overall, this in vitro xenobiotic metabolism system appears to be a robust model, providing a basis for further development to evaluate metabolic and toxicological potential of contaminants without use of animals.
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Affiliation(s)
- Laura M Langan
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Silvia Arossa
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Stewart F Owen
- AstraZeneca, Alderley Park, Macclesfield, Cheshire, SK10 4TF, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK.
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Viana LF, Súarez YR, Cardoso CAL, Crispim BDA, Grisolia AB, Lima-Junior SE. Mutagenic and genotoxic effects and metal contaminations in fish of the Amambai River, Upper Paraná River, Brazil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:27104-27112. [PMID: 28963607 DOI: 10.1007/s11356-017-0276-8] [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: 02/24/2017] [Accepted: 09/19/2017] [Indexed: 06/07/2023]
Abstract
The present study evaluated mutagenic and genotoxic effects and metal accumulation in the liver and musculature of Pterygoplichthys ambrosetti and Prochilodus lineatus in the Amambai River, a tributary of the Upper Paraná River in Brazil. We also evaluated the potential for these fish species as environmental bioindicators and performed risk assessment for conservation purposes. We found that P. ambrosetti had a higher frequency of micronuclei compared to P. lineatus (p < 0.0001). There were no significant differences between species in other erythrocyte nuclear abnormalities (ENA) (p > 0.05). For both species, the liver contained a higher concentration of metals (Cd, Pb, Cr, Cu, Fe, Zn, and Ni) than the musculature did (p < 0.0001). Of the two species, P. ambrosetti was more suitable to evaluate mutagenic and genotoxic effects and metal accumulation in the liver and musculature, likely due to its resident behavior; hence, we highlight the potential of this species for use as an environmental bioindicator. The concentrations of non-essential metals observed in the fish confirm conditions of environmental stress in the Amambai River, possibly related to the discharge of pollutants and exacerbated by lack of native vegetation cover along the watercourse.
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Affiliation(s)
- Lucilene Finoto Viana
- Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul (UEMS), Dourados, MS, Brazil.
| | - Yzel Rondon Súarez
- Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul (UEMS), Dourados, MS, Brazil
| | - Claudia Andrea Lima Cardoso
- Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul (UEMS), Dourados, MS, Brazil
| | - Bruno do Amaral Crispim
- Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados (UFGD), Dourados, MS, Brazil
| | - Alexeia Barufatti Grisolia
- Faculdade de Ciências Exatas e Tecnologia, Universidade Federal da Grande Dourados (UFGD), Dourados, MS, Brazil
| | - Sidnei Eduardo Lima-Junior
- Programa de Pós-Graduação em Recursos Naturais, Universidade Estadual de Mato Grosso do Sul (UEMS), Dourados, MS, Brazil
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Sarkar A, Bhagat J, Saha Sarker M, Gaitonde DCS, Sarker S. Evaluation of the impact of bioaccumulation of PAH from the marine environment on DNA integrity and oxidative stress in marine rock oyster (Saccostrea cucullata) along the Arabian sea coast. ECOTOXICOLOGY (LONDON, ENGLAND) 2017; 26:1105-1116. [PMID: 28755287 DOI: 10.1007/s10646-017-1837-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/08/2017] [Indexed: 06/07/2023]
Abstract
Marine pollution due to oil spills is of great concern globally for their impact on the health of marine ecosystems. We assessed the genotoxic effects and oxidative stress due to genotoxic pollutants accumulated from the ambient marine environment in the tissues of marine rock oyster, Saccostrea cucullata along the Arabian Sea coast around Goa, India. The extent of DNA damage in S. cucullata was determined by comet assay as variation of comet parameter: mean % tail DNA along the coast with respect to that at the reference site (Tiracol, Goa, India). In addition, the oxidative stress responses of rock oysters exposed to marine pollutants such as polycyclic aromatic hydrocarbons (PAHs) were assessed as a function of variation in antioxidant enzyme activities such as glutathione-s-transferase (GST), catalase (CAT) and superoxide dismutase (SOD) along the coast. Spearman correlation analysis showed significant correlation between different components of PAHs (viz., 2-3-PAH, 4-6-PAH and oxy-PAH) in the tissues of the rock oysters and the antioxidant enzyme activities. The antioxidant enzyme activities in S. cucullata increased with increasing concentrations of PAHs in tissues in the following order of sampling sites: Tiracol < Arambol < Betul < Velsao. Among the PAHs, oxy-PAH was found to be most predominant in causing DNA damage in S. cucullata. These results provide an insight into environmental genotoxicity and oxidative stress induced by PAHs along the Arabian Sea coast, India.
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Affiliation(s)
- A Sarkar
- Chemical Oceanographic Division, CSIR-National Institute of Oceanography, Dona Paula, Goa, 403004, India.
- Global Enviro-Care, Caranzalem, Kevnem, Goa, 403002, India.
| | - Jacky Bhagat
- Chemical Oceanographic Division, CSIR-National Institute of Oceanography, Dona Paula, Goa, 403004, India
| | - Munmun Saha Sarker
- Global Enviro-Care, Caranzalem, Kevnem, Goa, 403002, India
- Rabindra Bharati University, Emerald Bower Campus, Kolkata, West Bengal, 700 050, India
| | - Dipak C S Gaitonde
- Global Enviro-Care, Caranzalem, Kevnem, Goa, 403002, India
- Department of Environmental Science, Government Polytechnic College, Panaji, Goa, 403001, India
| | - Subhodeep Sarker
- Clinical Division of Fish Medicine, University of Veterinary Medicine, Veterinaerplatz 1, 1210, Vienna, Austria.
- Discipline of Pharmacology, School of Medical Sciences, Sydney Medical School, The University of Sydney, Sydney, New South Wales, 2006, Australia.
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32
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Langan LM, Harper GM, Owen SF, Purcell WM, Jackson SK, Jha AN. Application of the rainbow trout derived intestinal cell line (RTgutGC) for ecotoxicological studies: molecular and cellular responses following exposure to copper. ECOTOXICOLOGY (LONDON, ENGLAND) 2017; 26:1117-1133. [PMID: 28785844 PMCID: PMC5617881 DOI: 10.1007/s10646-017-1838-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 07/13/2017] [Indexed: 06/07/2023]
Abstract
There is an acknowledged need for in vitro fish intestinal model to help understand dietary exposure to chemicals in the aquatic environment. The presence and use of such models is however largely restrictive due to technical difficulties in the culturing of enterocytes in general and the availability of appropriate established cell lines in particular. In this study, the rainbow trout (Oncorhynchus mykiss) intestinal derived cell line (RTgutGC) was used as a surrogate for the "gut sac" method. To facilitate comparison, RTgutGC cells were grown as monolayers (double-seeded) on permeable Transwell supports leading to a two-compartment intestinal model consisting of polarised epithelium. This two-compartment model divides the system into an upper apical (lumen) and a lower basolateral (portal blood) compartment. In our studies, these cells stained weakly for mucosubstances, expressed the tight junction protein ZO-1 in addition to E-cadherin and revealed the presence of polarised epithelium in addition to microvilli protrusions. The cells also revealed a comparable transepithelial electrical resistance (TEER) to the in vivo situation. Importantly, the cell line tolerated apical saline (1:1 ratio) thus mimicking the intact organ to allow assessment of uptake of compounds across the intestine. Following an exposure over 72 h, our study demonstrated that the RTgutGC cell line under sub-lethal concentrations of copper sulphate (Cu) and modified saline solutions demonstrated uptake of the metal with saturation levels comparable to short term ex situ gut sac preparations. Gene expression analysis revealed no significant influence of pH or time on mRNA expression levels of key stress related genes (i.e. CYP3A, GST, mtA, Pgp and SOD) in the Transwell model. However, significant positive correlations were found between all genes investigated suggesting a co-operative relationship amongst the genes studied. When the outlined characteristics of the cell line are combined with the division of compartments, the RTgutGC double seeded model represents a potential animal replacement model for ecotoxicological studies. Overall, this model could be used to study the effects and predict aquatic gastrointestinal permeability of metals and other environmentally relevant contaminants in a cost effective and high throughput manner.
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Affiliation(s)
- Laura M Langan
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Glenn M Harper
- Electron Microscopy Unit, Faculty of Science and Engineering, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Stewart F Owen
- AstraZeneca, Alderly Park, Macclesfield, Cheshire, SK10 4TF, UK
| | - Wendy M Purcell
- School of Biomedical and Health Care Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Simon K Jackson
- School of Biomedical and Health Care Sciences, University of Plymouth, Plymouth, PL4 8AA, UK
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Plymouth, PL4 8AA, UK.
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Ossa-López PA, Castaño-Villa GJ, Rivera-Páez FA. Genotoxic effects and gene expression in Danio rerio (Hamilton 1822) (Cypriniformes: Cyprinidae) exposed to mining-impacted tributaries in Manizales, Colombia. ENVIRONMENTAL MONITORING AND ASSESSMENT 2017; 189:520. [PMID: 28948416 DOI: 10.1007/s10661-017-6231-9] [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: 04/02/2017] [Accepted: 09/12/2017] [Indexed: 06/07/2023]
Abstract
The zebrafish (Danio rerio) is one of the most studied aquatic organisms for water biomonitoring, due to its sensitivity to environmental degradation and resistance to toxic substances. This study determined the presence of micronuclei and nuclear abnormalities in peripheral blood erythrocytes, and assessed the gene expression of caspase-3 (CASP-3) and metallothionein 1 (MT-1) in the gills and liver of D. rerio. The study fish (n = 45) were exposed to water collected from two stations with mining impact (E2 and E3) and a reference station without evident mining contamination (E1), all located in La Elvira stream (Manizales-Colombia). In addition, a positive control (PC) with HgCl2 (50 μg/L) and negative control (NC) with tap water were included. The fish from the PC and E2 and E3 treatments displayed genotoxic effects and changes in gene expression, with significant differences in micronuclei formation and the presence of blebbed nuclei. The cytochrome oxidase subunit I (COI) gene was used as reference and proved to be stable compared to the β-actin and 28S ribosomal RNA (28S) genes. In gills, CASP-3 expression was higher in the PC, and MT-1 expression was higher in the PC and E3 treatment. In liver, CASP-3 was expressed in the E2 treatment, and MT-1 expression was low. These results show that the genotoxic effects and differential gene expression observed in fish exposed to water from La Elvira stream could also be affecting the organisms present in this habitat.
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Affiliation(s)
- Paula A Ossa-López
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275, Manizales, Caldas, Colombia
| | - Gabriel J Castaño-Villa
- Grupo de Investigación GEBIOME, Departamento de Desarrollo Rural y Recursos Naturales, Facultad de Ciencias Agropecuarias, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275, Manizales, Caldas, Colombia
| | - Fredy A Rivera-Páez
- Grupo de Investigación GEBIOME, Departamento de Ciencias Biológicas, Facultad de Ciencias Exactas y Naturales, Universidad de Caldas, Calle 65 No. 26-10 Apartado Aéreo 275, Manizales, Caldas, Colombia.
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Hanana H, Turcotte P, André C, Gagnon C, Gagné F. Comparative study of the effects of gadolinium chloride and gadolinium - based magnetic resonance imaging contrast agent on freshwater mussel, Dreissena polymorpha. CHEMOSPHERE 2017; 181:197-207. [PMID: 28437745 DOI: 10.1016/j.chemosphere.2017.04.073] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 04/10/2017] [Accepted: 04/16/2017] [Indexed: 06/07/2023]
Abstract
Gadolinium (Gd), a metal of the lanthanide series used in various industrial and medical purposes is released into the aquatic environment. However, there are few aquatic toxicological studies addressing environmental effects of Gd which remains unknown in aquatic animals. Therefore, this study aimed to compare the effects of GdCl3 and a gadolinium-based MRI contrast agent (Omniscan), in zebra mussels after 28 days through a multibiomarker approach. Data revealed that after GdCl3 exposure, the mRNA level of metallothionein (MT) was modulated, those of cytochrome c oxidase (CO1) and superoxide dismutase (SOD) were increased, while gene expressions of catalase (CAT) and glutathione-S-transferase (GST) were downregulated. Furthermore, neither lipoperoxidation (LPO) nor genotoxicity were detected but only a decrease in the cyclooxygenase (COX) activity was observed. In addition, a significant correlation was found between biomarkers and bioaccumulated Gd, suggesting that mitochondrial and anti-inflammatory pathways were triggered with GdCl3. By opposition, the contrasting agent formulation induced downregulation of SOD, CAT, GST and CO1, a decrease in the level of LPO and an increase in the GST and COX activities. This suggests that the chelated form of Gd did not promote reactive oxygen species (ROS) production and exhibits antioxidant and proinflammatory effects in mussels. Therefore, this study revealed that ionic and the chelated form of Gd influence different cellular pathways to initiate cellular changes.
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Affiliation(s)
- Houda Hanana
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada.
| | - Patrice Turcotte
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada
| | - Chantale André
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada
| | - Christian Gagnon
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada
| | - François Gagné
- Aquatic Contaminant Research Division, Environment and Climate Change Canada, 105 McGill, Montreal, Quebec H2Y 2E7, Canada.
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Diepens NJ, Koelmans AA, Baveco H, van den Brink PJ, van den Heuvel-Greve MJ, Brock TCM. Prospective Environmental Risk Assessment for Sediment-Bound Organic Chemicals: A Proposal for Tiered Effect Assessment. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2017; 239:1-77. [PMID: 26684744 DOI: 10.1007/398_2015_5004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
A broadly accepted framework for prospective environmental risk assessment (ERA) of sediment-bound organic chemicals is currently lacking. Such a framework requires clear protection goals, evidence-based concepts that link exposure to effects and a transparent tiered-effect assessment. In this paper, we provide a tiered prospective sediment ERA procedure for organic chemicals in sediment, with a focus on the applicable European regulations and the underlying data requirements. Using the ecosystem services concept, we derived specific protection goals for ecosystem service providing units: microorganisms, benthic algae, sediment-rooted macrophytes, benthic invertebrates and benthic vertebrates. Triggers for sediment toxicity testing are discussed.We recommend a tiered approach (Tier 0 through Tier 3). Tier-0 is a cost-effective screening based on chronic water-exposure toxicity data for pelagic species and equilibrium partitioning. Tier-1 is based on spiked sediment laboratory toxicity tests with standard benthic test species and standardised test methods. If comparable chronic toxicity data for both standard and additional benthic test species are available, the Species Sensitivity Distribution (SSD) approach is a more viable Tier-2 option than the geometric mean approach. This paper includes criteria for accepting results of sediment-spiked single species toxicity tests in prospective ERA, and for the application of the SSD approach. We propose micro/mesocosm experiments with spiked sediment, to study colonisation success by benthic organisms, as a Tier-3 option. Ecological effect models can be used to supplement the experimental tiers. A strategy for unifying information from various tiers by experimental work and exposure-and effect modelling is provided.
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Affiliation(s)
- Noël J Diepens
- Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, 47, 6700 AA, Wageningen, The Netherlands.
| | - Albert A Koelmans
- Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, 47, 6700 AA, Wageningen, The Netherlands
- IMARES, Institute for Marine Resources & Ecosystem Studies, Wageningen UR, 68, 1970 AB, IJmuiden, The Netherlands
| | - Hans Baveco
- Environmental Risk Assessment Team, Alterra, 47, 6700 AA, Wageningen, The Netherlands
| | - Paul J van den Brink
- Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, 47, 6700 AA, Wageningen, The Netherlands
- Environmental Risk Assessment Team, Alterra, 47, 6700 AA, Wageningen, The Netherlands
| | | | - Theo C M Brock
- Environmental Risk Assessment Team, Alterra, 47, 6700 AA, Wageningen, The Netherlands
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Gorrochategui E, Li J, Fullwood NJ, Ying GG, Tian M, Cui L, Shen H, Lacorte S, Tauler R, Martin FL. Diet-sourced carbon-based nanoparticles induce lipid alterations in tissues of zebrafish (Danio rerio) with genomic hypermethylation changes in brain. Mutagenesis 2016; 32:91-103. [PMID: 27798195 PMCID: PMC5180172 DOI: 10.1093/mutage/gew050] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
With rising environmental levels of carbon-based nanoparticles (CBNs), there is an urgent need to develop an understanding of their biological effects in order to generate appropriate risk assessment strategies. Herein, we exposed zebrafish via their diet to one of four different CBNs: C60 fullerene (C60), single-walled carbon nanotubes (SWCNT), short multi-walled carbon nanotubes (MWCNTs) or long MWCNTs. Lipid alterations in male and female zebrafish were explored post-exposure in three target tissues (brain, gonads and gastrointestinal tract) using ‘omic’ procedures based in liquid chromatography coupled with mass spectrometry (LC-MS) data files. These tissues were chosen as they are often target tissues following environmental exposure. Marked alterations in lipid species are noted in all three tissues. To further explore CBN-induced brain alterations, Raman microspectroscopy analysis of lipid extracts was conducted. Marked lipid alterations are observed with males responding differently to females; in addition, there also appears to be consistent elevations in global genomic methylation. This latter observation is most profound in female zebrafish brain tissues post-exposure to short MWCNTs or SWCNTs (P < 0.05). This study demonstrates that even at low levels, CBNs are capable of inducing significant cellular and genomic modifications in a range of tissues. Such alterations could result in modified susceptibility to other influences such as environmental exposures, pathology and, in the case of brain, developmental alterations.
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Affiliation(s)
- Eva Gorrochategui
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, 08034, Catalonia, Spain
| | | | - Nigel J Fullwood
- Biomedical and Life Sciences Division, Lancaster Environment Centre, Lancaster University, Lancaster LA1 4YQ, UK
| | - Guang-Guo Ying
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China
| | - Meiping Tian
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China and
| | - Li Cui
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China and
| | - Heqing Shen
- Key Lab of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China and
| | - Sílvia Lacorte
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, 08034, Catalonia, Spain
| | - Romà Tauler
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Consejo Superior de Investigaciones Científicas (CSIC), Barcelona, 08034, Catalonia, Spain
| | - Francis L Martin
- Centre for Biophotonics and .,Biosciences, School of Pharmacy and Biomedical Sciences, Maudland Building, University of Central Lancashire, Preston PR1 2HE, UK
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Di Y, Aminot Y, Schroeder DC, Readman JW, Jha AN. Integrated biological responses and tissue-specific expression of p53 and ras genes in marine mussels following exposure to benzo(α)pyrene and C60 fullerenes, either alone or in combination. Mutagenesis 2016; 32:77-90. [PMID: 28011749 DOI: 10.1093/mutage/gew049] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
We used the marine bivalve (Mytilus galloprovincialis) to assess a range of biological or biomarker responses following exposure to a model-engineered nanoparticle, C60 fullerene, either alone or in combination with a model polycyclic aromatic hydrocarbon, benzo(α)pyrene [B(α)P]. An integrated biomarker approach was used that included: (i) determination of 'clearance rates' (a physiological indicator at individual level), (ii) histopathological alterations (at tissue level), (iii) DNA strand breaks using the comet assay (at cellular level) and (iv) transcriptional alterations of p53 (anti-oncogene) and ras (oncogene) determined by real-time quantitative polymerase chain reaction (at the molecular/genetic level). In addition, total glutathione in the digestive gland was measured as a proxy for oxidative stress. Here, we report that mussels showed no significant changes in 'clearance rates' after 1 day exposure, however significant increases in 'clearance rates' were found following exposure for 3 days. Histopathology on selected organs (i.e. gills, digestive glands, adductor muscles and mantles) showed increased occurrence of abnormalities in all tissues types, although not all the exposed organisms showed these abnormalities. Significantly, increased levels of DNA strand breaks were found after exposure for 3-days in most individuals tested. In addition, a significant induction for p53 and ras expression was observed in a tissue and chemical-specific pattern, although large amounts of inter-individual variability, compared with other biomarkers, were clearly apparent. Overall, biological responses at different levels showed variable sensitivity, with DNA strand breaks and gene expression alterations exhibiting higher sensitivities. Furthermore, the observed genotoxic responses were reversible after a recovery period, suggesting the ability of mussels to cope with the toxicants C60 and/or B(α)P under our experimental conditions. Overall, in this comprehensive study, we have demonstrated mussels as a suitable model marine invertebrate species to study the potential detrimental effects induced by possible genotoxicants and toxicants, either alone or in combinations at different levels of biological organisation (i.e. molecular to individual levels).
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Affiliation(s)
- Yanan Di
- School of Biological Sciences and.,Present address: Institute of Marine Biology, Ocean College, Zhejiang University, People's Republic of China
| | - Yann Aminot
- School of Geography, Earth and Environmental Sciences, Plymouth University, Plymouth, PL4 8AA, UK
| | - Declan C Schroeder
- Marine Biological Association of the United Kingdom (MBA), Citadel Hill, Plymouth, PL1 2PB, UK and
| | - James W Readman
- School of Biological Sciences and.,School of Geography, Earth and Environmental Sciences, Plymouth University, Plymouth, PL4 8AA, UK.,Plymouth Marine Laboratory, Prospect Place, The Hoe, Plymouth, PL1 3DH, UK
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Parolini M, Magni S, Castiglioni S, Binelli A. Genotoxic effects induced by the exposure to an environmental mixture of illicit drugs to the zebra mussel. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 132:26-30. [PMID: 27261879 DOI: 10.1016/j.ecoenv.2016.05.022] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2016] [Revised: 05/24/2016] [Accepted: 05/25/2016] [Indexed: 06/05/2023]
Abstract
Despite the growing interest on the presence of illicit drugs in freshwater ecosystems, just recently the attention has been focused on their potential toxicity towards non-target aquatic species. However, these studies largely neglected the effects induced by exposure to complex mixtures of illicit drugs, which could be different compared to those caused by single psychoactive molecules. This study was aimed at investigating the genetic damage induced by a 14-day exposure to a realistic mixture of the most common illicit drugs found in surface waters worldwide (cocaine, benzoylecgonine, amphetamine, morphine and 3,4-methylenedioxymethamphetamine) on the zebra mussel (Dreissena polymorpha). The mixture caused a significant increase of DNA fragmentation and triggered the apoptotic process and micronuclei formation in zebra mussel hemocytes, pointing out its potential genotoxicity towards this bivalve species.
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Affiliation(s)
- Marco Parolini
- Department of Biosciences, University of Milan, via Celoria 26, I-20133 Milan, Italy.
| | - Stefano Magni
- Department of Biosciences, University of Milan, via Celoria 26, I-20133 Milan, Italy
| | - Sara Castiglioni
- IRCCS - Istituto di Ricerche Farmacologiche "Mario Negri", Department of Environmental Health Sciences, Via La Masa 19, I-20156 Milan, Italy
| | - Andrea Binelli
- Department of Biosciences, University of Milan, via Celoria 26, I-20133 Milan, Italy.
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Zapata LM, Bock BC, Orozco LY, Palacio JA. Application of the micronucleus test and comet assay in Trachemys callirostris erythrocytes as a model for in situ genotoxic monitoring. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 127:108-116. [PMID: 26809080 DOI: 10.1016/j.ecoenv.2016.01.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Revised: 01/06/2016] [Accepted: 01/14/2016] [Indexed: 06/05/2023]
Abstract
Trachemys callirostris is a turtle species endemic to northern South America. In northern Colombia it occurs in the middle and lower Magdalena River drainage and its principal tributaries (lower Cauca and San Jorge rivers) and in other minor drainages such as the lower Sinú River. In recent years, industrial, agricultural, and mining activities have altered natural habitats in Colombia where this species occurs, and many of the pollutants released there are known to induce genetic alterations in wildlife species. The micronucleus test and comet assay are two of the most widely used methods to characterize DNA damage induced by physical and chemical agents in wildlife species, but have not been employed previously for genotoxic evaluations in T. callirostris. The goal of this study was to optimize these genotoxic biomarkers for T. callirostris erythrocytes in order to establish levels of DNA damage in this species and thereby evaluate its potential as a sentinel species for monitoring genotoxic effects in freshwater environments in northern Colombia. Both genotoxic techniques were applied on peripheral blood erythrocytes from 20 captive-reared T. callirostris individuals as a negative control, as well as from samples obtained from 49 individuals collected in Magangué (Magdalena River drainage) and 24 individuals collected in Lorica (Sinú River drainage) in northern Colombia. Negative control individuals exhibited a baseline frequency of micronuclei of 0.78±0.58 and baseline values for comet tail length and tail moment of 3.34±0.24µm and 10.70±5.5, respectively. In contrast, samples from both field sites exhibited significantly greater evidence of genotoxic effects for both tests. The mean MN frequencies in the samples from Magangué and Lorica were 8.04±7.08 and 12.19±12.94, respectively. The mean tail length for samples from Magangué and Lorica were 5.78±3.18 and 15.46±7.39, respectively. Finally, the mean tail moment for samples from Magangué and Lorica were 23.59±18.22 and 297.94±242.18, respectively. The frequency of micronuclei in the samples was positively related to comet tail length and tail moment. Thus, this study showed that both genotoxicity biomarkers may be applied to T. callirostris erythrocytes as a sentinel organism for assessing the effects of environmental pollutants in freshwater ecosystems in northern South America.
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Affiliation(s)
- Lina M Zapata
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA - SIU, Cl. 62 No. 52-59, Universidad de Antioquia, Medellín, Colombia.
| | - Brian C Bock
- Grupo Herpetológico de Antioquia, Cl. 67 No. 52-59, Universidad de Antioquia, Medellín, Colombia
| | - Luz Yaneth Orozco
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA - SIU, Cl. 62 No. 52-59, Universidad de Antioquia, Medellín, Colombia
| | - Jaime A Palacio
- Grupo de Investigación en Gestión y Modelación Ambiental-GAIA - SIU, Cl. 62 No. 52-59, Universidad de Antioquia, Medellín, Colombia
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Gusso-Choueri PK, Choueri RB, Santos GS, de Araújo GS, Cruz ACF, Stremel T, de Campos SX, Cestari MM, Ribeiro CAO, Abessa DMDS. Assessing genotoxic effects in fish from a marine protected area influenced by former mining activities and other stressors. MARINE POLLUTION BULLETIN 2016; 104:229-239. [PMID: 26822909 DOI: 10.1016/j.marpolbul.2016.01.025] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2015] [Revised: 01/12/2016] [Accepted: 01/16/2016] [Indexed: 06/05/2023]
Abstract
The goal of the current study was to evaluate different genotoxicity tools in order to assess a marine protected area (MPA) affected by former mining activities and urban settlements. A catfish (Cathorops spixii) was analyzed for genotoxic effects at the (i) molecular and at the (ii) chromosomal levels. Through factor analysis, genotoxicity was found to be linked to levels of metals bioaccumulated and PAH metabolites in the bile. Micronucleus and nuclear alteration were less vulnerable to the effects of confounding factors in mildly contaminated areas since they were more frequently associated with bioaccumulated metals than the DNA analysis. The different genotoxicity responses allowed for the identification of sources of pollution in the MPA. This approach was important for detecting environmental risks related to genotoxic contaminants in a mildly contaminated MPA.
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Affiliation(s)
- Paloma Kachel Gusso-Choueri
- Graduate Program in Ecology and Conservation, Federal University of Paraná (UFPR), CP 19031, CEP 81531-990 Curitiba, PR, Brazil; Cellular Toxicology Laboratory, Department of Cellular Biology, Federal University of Paraná (UFPR), CP19031, 81531-990 Curitiba, PR, Brazil; Laboratory for the Study of Aquatic Pollution and Ecotoxicology (NEPEA), São Paulo State University, São Vicente Campus (UNESP Campus do Litoral Paulista), Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil.
| | - Rodrigo Brasil Choueri
- Department of Marine Sciences, Federal University of São Paulo, Santos Campus (UNIFESP - Santos), Av. Almirante Saldanha da Gama, 89, CP 11030-490 Santos, SP, Brazil
| | - Gustavo Souza Santos
- Graduate Program in Ecology and Conservation, Federal University of Paraná (UFPR), CP 19031, CEP 81531-990 Curitiba, PR, Brazil; Genetics Department, Federal University of Paraná (UFPR), 81531-990 Curitiba, PR, Brazil
| | - Giuliana Seraphim de Araújo
- Laboratory for the Study of Aquatic Pollution and Ecotoxicology (NEPEA), São Paulo State University, São Vicente Campus (UNESP Campus do Litoral Paulista), Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil; Institute of Oceanography, University of São Paulo (IOUSP), Praça do Oceanográfico, 191, CEP 05508-120 São Paulo, SP, Brazil
| | - Ana Carolina Feitosa Cruz
- Laboratory for the Study of Aquatic Pollution and Ecotoxicology (NEPEA), São Paulo State University, São Vicente Campus (UNESP Campus do Litoral Paulista), Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil; Institute of Oceanography, University of São Paulo (IOUSP), Praça do Oceanográfico, 191, CEP 05508-120 São Paulo, SP, Brazil
| | - Tatiana Stremel
- Research Group on Environmental and Sanitary Analytical Chemistry (QAAS), Ponta Grossa State University, Av. General Carlos Cavalcanti, 4748, CEP 84030-900 Ponta Grossa, Brazil
| | - Sandro Xavier de Campos
- Research Group on Environmental and Sanitary Analytical Chemistry (QAAS), Ponta Grossa State University, Av. General Carlos Cavalcanti, 4748, CEP 84030-900 Ponta Grossa, Brazil
| | - Marta Margarete Cestari
- Graduate Program in Ecology and Conservation, Federal University of Paraná (UFPR), CP 19031, CEP 81531-990 Curitiba, PR, Brazil; Genetics Department, Federal University of Paraná (UFPR), 81531-990 Curitiba, PR, Brazil
| | - Ciro Alberto Oliveira Ribeiro
- Graduate Program in Ecology and Conservation, Federal University of Paraná (UFPR), CP 19031, CEP 81531-990 Curitiba, PR, Brazil; Cellular Toxicology Laboratory, Department of Cellular Biology, Federal University of Paraná (UFPR), CP19031, 81531-990 Curitiba, PR, Brazil
| | - Denis Moledo de Sousa Abessa
- Laboratory for the Study of Aquatic Pollution and Ecotoxicology (NEPEA), São Paulo State University, São Vicente Campus (UNESP Campus do Litoral Paulista), Praça Infante Dom Henrique, s/n, CP 11330-900 São Vicente, SP, Brazil
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41
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Barón E, Dissanayake A, Vilà-Cano J, Crowther C, Readman JW, Jha AN, Eljarrat E, Barceló D. Evaluation of the Genotoxic and Physiological Effects of Decabromodiphenyl Ether (BDE-209) and Dechlorane Plus (DP) Flame Retardants in Marine Mussels (Mytilus galloprovincialis). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2016; 50:2700-2708. [PMID: 26829245 DOI: 10.1021/acs.est.5b05814] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Dechlorane Plus (DP) is a proposed alternative to the legacy flame retardant decabromodiphenyl ether (BDE-209), a major component of Deca-BDE formulations. In contrast to BDE-209, toxicity data for DP are scarce and often focused on mice. Validated dietary in vivo exposure of the marine bivalve (Mytilus galloprovincialis) to both flame retardants did not induce effects at the physiological level (algal clearance rate), but induced DNA damage, as determined by the comet assay, at all concentrations tested. Micronuclei formation was induced by both DP and BDE-209 at the highest exposure concentrations (100 and 200 μg/L, respectively, at 18% above controls). DP caused effects similar to those by BDE-209 but at lower exposure concentrations (5.6, 56, and 100 μg/L for DP and 56, 100, and 200 μg/L for BDE-209). Moreover, bioaccumulation of DP was shown to be concentration dependent, in contrast to BDE-209. The results described suggest that DP poses a greater genotoxic potential than BDE-209.
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Affiliation(s)
- Enrique Barón
- Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC) , Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Awantha Dissanayake
- School of Biological Sciences, Plymouth University , Drake Circus, Plymouth PL4 8AA, United Kingdom
| | - Judit Vilà-Cano
- Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC) , Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Charlotte Crowther
- School of Biological Sciences, Plymouth University , Drake Circus, Plymouth PL4 8AA, United Kingdom
| | - James W Readman
- School of Biological Sciences, Plymouth University , Drake Circus, Plymouth PL4 8AA, United Kingdom
- School of Geography, Earth & Environmental Sciences, Plymouth University , Drake Circus, Plymouth PL4 8AA, United Kingdom
- Plymouth Marine Laboratory , Prospect Place, The Hoe, Plymouth PL1 3DH, United Kingdom
| | - Awadhesh N Jha
- School of Biological Sciences, Plymouth University , Drake Circus, Plymouth PL4 8AA, United Kingdom
| | - Ethel Eljarrat
- Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC) , Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Damià Barceló
- Institute of Environmental Assessment and Water Research (IDAEA), Spanish Council for Scientific Research (CSIC) , Jordi Girona 18-26, 08034 Barcelona, Spain
- Catalan Institute for Water Research (ICRA), H2O Building, Scientific and Technological Park of the University of Girona , Emili Grahit 101, 17003 Girona, Spain
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Oberholster PJ, Hill L, Jappie S, Truter JC, Botha AM. Applying genotoxicology tools to identify environmental stressors in support of river management. CHEMOSPHERE 2016; 144:319-329. [PMID: 26372886 DOI: 10.1016/j.chemosphere.2015.08.024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 08/03/2015] [Accepted: 08/03/2015] [Indexed: 06/05/2023]
Abstract
Although bioassay approaches are useful for identifying chemicals of potential concern, they provide little understanding of the mechanisms of chemical toxicity. Without this understanding, it is difficult to address some of the key challenges that currently face aquatic ecotoxicology. To overcome this, the toxicity potential of the water samples was assessed and surviving organisms (Physa acuta) were used for protein activity measurements and gene expression profiling by making use of complementary DNA amplified fragment length polymorphism (cDNA-AFLP) analysis. From the data it was evident that the impacts of specific pollutants (e.g. sewage) on organisms at the cellular level could be identified, and that the expressed stressor genes can be used as bioindicators/markers/genetic signatures or fingerprints during identification of point source pollution. From an ecosystem management point of view these insights could assist with the forecasting and reduction of environmental risks on catchment level by implementing suitable management interventions.
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Affiliation(s)
- Paul J Oberholster
- Council for Scientific and Industrial Research, Stellenbosch, 7601, South Africa; Botany and Zoology Department, Stellenbosch University, Stellenbosch, 7601, South Africa
| | - Liesl Hill
- Genetics Department, Stellenbosch University, Stellenbosch, 7601, South Africa; Council for Scientific and Industrial Research, Pretoria, 2000, South Africa
| | - Shaamiela Jappie
- Genetics Department, Stellenbosch University, Stellenbosch, 7601, South Africa
| | - Johannes C Truter
- Botany and Zoology Department, Stellenbosch University, Stellenbosch, 7601, South Africa
| | - Anna-Maria Botha
- Genetics Department, Stellenbosch University, Stellenbosch, 7601, South Africa.
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Malakahmad A, Law MX, Ng KW, Manan TSA. The Fate and Toxicity Assessment of Polycyclic Aromatic Hydrocarbons (PAHs) in Water Streams of Malaysia. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.proeng.2016.06.572] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Baurand PE, Capelli N, de Vaufleury A. Genotoxicity assessment of pesticides on terrestrial snail embryos by analysis of random amplified polymorphic DNA profiles. JOURNAL OF HAZARDOUS MATERIALS 2015; 298:320-7. [PMID: 26160746 DOI: 10.1016/j.jhazmat.2015.05.051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/30/2015] [Accepted: 05/29/2015] [Indexed: 06/04/2023]
Abstract
The study explores the relevance of coupling Random Amplified Polymorphic DNA (RAPD) and a High-Resolution capillary electrophoresis System (HRS) method for assessing the genotoxic potential of the wide variety commercial formulations of pesticides. Using this technique, the genotoxic potential of a glyphosate-based herbicide (Roundup Flash(®) (RU)) and two fungicide formulations based on tebuconazole and copper (Corail(®) and Bordeaux mixture (BM), respectively) was evaluated on terrestrial snail embryos. Clutches of Cantareus aspersus were exposed during their entire embryonic development to a range of concentration around the EC50 values (based on hatching success) for each compound tested. Three primers were used for the RAPD amplifications of pesticides samples. RAPD-HRS revealed concentration-dependent modifications in profiles generated with the three primers in RU(®)-exposed embryos from 30 mg/L glyphosate. For Corail(®)-exposed embryos, only two of the three primers were able to show alterations in profiles from 0.05 mg/L tebuconazole. For BM-exposed embryos, no signs of genotoxicity were observed. All changes observed in amplification profiles have been detected at concentrations lower than the recommended doses for vineyard field applications. Our study demonstrates the efficiency of coupling RAPD and HRS to efficiently screen the effect of pesticide formulations on DNA.
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Affiliation(s)
- Pierre-Emmanuel Baurand
- Chrono-Environment, UMR 6249 University of Bourgogne Franche-Comté/CNRS, 16 Route de Gray, 25030 Besançon Cedex, France.
| | - Nicolas Capelli
- Chrono-Environment, UMR 6249 University of Bourgogne Franche-Comté/CNRS, 16 Route de Gray, 25030 Besançon Cedex, France
| | - Annette de Vaufleury
- Chrono-Environment, UMR 6249 University of Bourgogne Franche-Comté/CNRS, 16 Route de Gray, 25030 Besançon Cedex, France; Department of Health Safety Environment, Avenue Des Rives du Lac, BP179, 70003 Vesoul Cedex, France
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45
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Yeung CW, Lee K, Cobanli S, King T, Bugden J, Whyte LG, Greer CW. Characterization of the microbial community structure and the physicochemical properties of produced water and seawater from the Hibernia oil production platform. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:17697-17715. [PMID: 26154038 DOI: 10.1007/s11356-015-4947-z] [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: 03/09/2015] [Accepted: 06/23/2015] [Indexed: 06/04/2023]
Abstract
Hibernia is Canada's largest offshore oil platform. Produced water is the major waste byproduct discharged into the ocean. In order to evaluate different potential disposal methods, a comprehensive study was performed to determine the impact from the discharge. Microorganisms are typically the first organisms to respond to changes in their environment. The objectives were to characterize the microbial communities and the chemical composition in the produced water and to characterize changes in the seawater bacterial community around the platform. The results from chemical, physicochemical, and microbial analyses revealed that the discharge did not have a detectable effect on the surrounding seawater. The seawater bacterial community was relatively stable, spatially. Unique microorganisms like Thermoanaerobacter were found in the produced water. Thermoanaerobacter-specific q-PCR and nested-PCR primers were designed, and both methods demonstrated that Thermoanaerobacter was present in seawater up to 1000 m from the platform. These methods could be used to track the dispersion of produced water into the surrounding ocean.
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Affiliation(s)
- C William Yeung
- Energy, Mining and Environment, National Research Council Canada, 6100 Royalmount Ave., Montreal, QC, H4P 2R2, Canada.
- Department of Natural Resource Sciences, McGill University, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada.
| | - Kenneth Lee
- Oceans and Atmosphere National Research Flagship, Australian Resources Research Centre, CSIRO, 26 Dick Perry Avenue, Kensington, WA, 6151, Australia
| | - Susan Cobanli
- Fisheries and Oceans Canada, PO Box 1006, Dartmouth, NS, B2Y 4A2, Canada
| | - Tom King
- Fisheries and Oceans Canada, PO Box 1006, Dartmouth, NS, B2Y 4A2, Canada
| | - Jay Bugden
- Fisheries and Oceans Canada, PO Box 1006, Dartmouth, NS, B2Y 4A2, Canada
| | - Lyle G Whyte
- Department of Natural Resource Sciences, McGill University, Ste-Anne-de-Bellevue, QC, H9X 3V9, Canada
| | - Charles W Greer
- Energy, Mining and Environment, National Research Council Canada, 6100 Royalmount Ave., Montreal, QC, H4P 2R2, Canada
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Ameur WB, El Megdiche Y, de Lapuente J, Barhoumi B, Trabelsi S, Ennaceur S, Camps L, Serret J, Ramos-López D, Gonzalez-Linares J, Touil S, Driss MR, Borràs M. Oxidative stress, genotoxicity and histopathology biomarker responses in Mugil cephalus and Dicentrarchus labrax gill exposed to persistent pollutants. A field study in the Bizerte Lagoon: Tunisia. CHEMOSPHERE 2015; 135:67-74. [PMID: 25912422 DOI: 10.1016/j.chemosphere.2015.02.050] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 02/23/2015] [Accepted: 02/24/2015] [Indexed: 06/04/2023]
Abstract
The use of biomarkers has become an important tool for modern environmental assessment as they can help to predict pollutants involved in the monitoring program. Despite the importance of fish gill in several functions (gaseous exchange, osmotic and ionic regulation, acid-base balance and nitrogenous waste) its use in coastal water biomonitoring focusing on protection and damage is scarce. This field study investigates biochemical (catalase, superoxide dismutase, lipid peroxidation), molecular (DNA integrity) and morphological (histology) parameters in gill of mullet (Mugil cephalus) and sea bass (Dicentrarchus labrax) and originating from Bizerte lagoon (a coastal lagoon impacted by different anthropogenic activities) and from the Mediterranean Sea (a reference site). Remarkable alterations in the activities of oxidative stress enzymes and DNA integrity in the tissue of the two studied fish species were detected in Bizerte Lagoon. The study of histopathological alterations of gills in both two fish species from Bizerte Lagoon suggest thickening of primary lamellae, cellular hyperplasia, aneurism, curving, shortening and fusion of secondary lamellae. The adopted approach, considering simultaneously protection responses and damaging effects, revealed its usefulness on the pollution assessment.
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Affiliation(s)
- Walid Ben Ameur
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Yassine El Megdiche
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Joaquin de Lapuente
- UTOX-PCB, Unit of Experimental Toxicology and Ecotoxicology, Parc Científic Barcelona, Barcelona, Spain.
| | - Badreddine Barhoumi
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Souad Trabelsi
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Soukaina Ennaceur
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Lydia Camps
- UTOX-PCB, Unit of Experimental Toxicology and Ecotoxicology, Parc Científic Barcelona, Barcelona, Spain
| | - Joan Serret
- UTOX-PCB, Unit of Experimental Toxicology and Ecotoxicology, Parc Científic Barcelona, Barcelona, Spain
| | - David Ramos-López
- UTOX-PCB, Unit of Experimental Toxicology and Ecotoxicology, Parc Científic Barcelona, Barcelona, Spain
| | - Javier Gonzalez-Linares
- UTOX-PCB, Unit of Experimental Toxicology and Ecotoxicology, Parc Científic Barcelona, Barcelona, Spain
| | - Soufiane Touil
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Mohamed Ridha Driss
- Laboratory of Heteroatom Organic Chemistry, Department of Chemistry, Faculty of Sciences of Bizerte, University of Carthage, 7021 Zarzouna, Tunisia
| | - Miquel Borràs
- UTOX-PCB, Unit of Experimental Toxicology and Ecotoxicology, Parc Científic Barcelona, Barcelona, Spain
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Neri M, Milazzo D, Ugolini D, Milic M, Campolongo A, Pasqualetti P, Bonassi S. Worldwide interest in the comet assay: a bibliometric study. Mutagenesis 2015; 30:155-63. [PMID: 25527738 DOI: 10.1093/mutage/geu061] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
Abstract
The comet assay is a rapid, sensitive and relatively simple method for measuring DNA damage. A bibliometric study was performed to evaluate temporal and geographical trends, research quality and main areas of interest in scientific production in this field. A PubMed search strategy was developed and 7674 citations were retrieved in the period 1990-2013. Notably, the MeSH (Medical Subject Headings) term 'comet assay', officially introduced in 2000, is used by indexers only in two thirds of papers retrieved. Articles on the comet assay were published in 78 countries, spread over the 5 continents. The EU contributed the greatest output, producing >2900 articles with IF (42.0%) and totalling almost 10000 IF points, and was followed by USA. In the new millennium, research with this assay reached a plateau or slow decline in the most industrialised areas (USA, Germany, UK, Italy), while its use has boomed in emerging countries, with increases of 5- to 7-fold in the last 10 years in China, India and Brazil, for instance. This transition resulted in a slow decrease of scientific production quality, as the countries that increased their relative weight typically had lower mIFs. The most common MeSH terms used in papers using the comet assay referred to wide areas of interest, such as DNA damage and repair, cell survival and apoptosis, cancer and oxidative stress, occupational and environmental health. Keywords related to humans, rodents and cell culture were also frequently used. The top journal for the comet assay articles was found to be Mutation Research, followed by Mutagenesis. Most papers using the comet assay as a biomarker were published in genetic and toxicology journals, with a stress on environmental and occupational disciplines.
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Affiliation(s)
- Monica Neri
- Clinical and Molecular Epidemiology, Area of Systems Approaches and Non Communicable Diseases, IRCCS San Raffaele Pisana, Via di Val Cannuta, 247, 00166, Rome, Italy
| | - Daniele Milazzo
- Service of Medical Statistics and Information Technology - Fatebenefratelli Foundation for Health Research and Education, AFaR Division, Lungotevere de' Cenci, 5, 00186, Rome, Italy
| | - Donatella Ugolini
- Department of Internal Medicine, University of Genoa, Viale Benedetto XV, 6, 16132, Genoa, Italy, Unit of Clinical Epidemiology, IRCCS AOU San Martino-IST-National Cancer Research Institute, Largo Rosanna Benzi, 10, 16132, Genoa, Italy and
| | - Mirta Milic
- Clinical and Molecular Epidemiology, Area of Systems Approaches and Non Communicable Diseases, IRCCS San Raffaele Pisana, Via di Val Cannuta, 247, 00166, Rome, Italy, Mutagenesis Unit, Institute for Medical Research and Occupational Health, Ksaverska cesta, 2, 10000, Zagreb, Croatia
| | - Alessandra Campolongo
- Service of Medical Statistics and Information Technology - Fatebenefratelli Foundation for Health Research and Education, AFaR Division, Lungotevere de' Cenci, 5, 00186, Rome, Italy
| | - Patrizio Pasqualetti
- Clinical and Molecular Epidemiology, Area of Systems Approaches and Non Communicable Diseases, IRCCS San Raffaele Pisana, Via di Val Cannuta, 247, 00166, Rome, Italy, Service of Medical Statistics and Information Technology - Fatebenefratelli Foundation for Health Research and Education, AFaR Division, Lungotevere de' Cenci, 5, 00186, Rome, Italy
| | - Stefano Bonassi
- Clinical and Molecular Epidemiology, Area of Systems Approaches and Non Communicable Diseases, IRCCS San Raffaele Pisana, Via di Val Cannuta, 247, 00166, Rome, Italy,
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Reinardy HC, Bodnar AG. Profiling DNA damage and repair capacity in sea urchin larvae and coelomocytes exposed to genotoxicants. Mutagenesis 2015; 30:829-39. [PMID: 26175033 DOI: 10.1093/mutage/gev052] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The ability to protect the genome from harmful DNA damage is critical for maintaining genome stability and protecting against disease, including cancer. Many echinoderms, including sea urchins, are noted for the lack of neoplastic disease, but there are few studies investigating susceptibility to DNA damage and capacity for DNA repair in these animals. In this study, DNA damage was induced in adult sea urchin coelomocytes and larvae by exposure to a variety of genotoxicants [UV-C (0-3000 J/m(2)), hydrogen peroxide (0-10mM), bleomycin (0-300 µM) and methylmethanesulfonate (MMS, 0-30 mM)] and the capacity for repair was measured over a 24-h period of recovery. Larvae were more sensitive than coelomocytes, with higher levels of initial DNA damage (fast micromethod) for all genotoxicants except MMS and increased levels of mortality 24h following treatment for all genotoxicants. The larvae that survived were able to efficiently repair damage within 24-h recovery. The ability to repair DNA damage differed depending on treatments, but both larvae and coelomocytes were able to most efficiently repair H2O2-induced damage. Time profiles of expression of a panel of DNA repair genes (ddb1, ercc1, xpc, xrcc1, pcna, ogg1, parp1, parp2, ape, brca1, rad51, xrcc2, xrcc3, xrcc4, xrcc5, xrcc6 and gadd45), throughout the period of recovery, showed greater gene induction in coelomocytes compared with larvae, with particularly high expression of xrcc1, ercc1, parp2 and pcna. The heterogeneous response of larvae to DNA damage may reflect a strategy whereby a subset of the population is equipped to withstand acute genotoxic stress, while the ability of coelomocytes to resist and repair DNA damage confirm their significant role in protection against disease. Consideration of DNA repair capacity is critical for understanding effects of genotoxicants on organisms, in addition to shedding light on life strategies and disease susceptibility.
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Affiliation(s)
- Helena C Reinardy
- Molecular Discovery Laboratory, Bermuda Institute of Ocean Sciences, 17 Biological Station, St. George's, GE 01 Bermuda
| | - Andrea G Bodnar
- Molecular Discovery Laboratory, Bermuda Institute of Ocean Sciences, 17 Biological Station, St. George's, GE 01 Bermuda
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Dallas LJ, Jha AN. Applications of biological tools or biomarkers in aquatic biota: A case study of the Tamar estuary, South West England. MARINE POLLUTION BULLETIN 2015; 95:618-633. [PMID: 25817310 DOI: 10.1016/j.marpolbul.2015.03.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2014] [Revised: 02/15/2015] [Accepted: 03/09/2015] [Indexed: 06/04/2023]
Abstract
Biological systems are the ultimate recipients of pollutant-induced damage. Consequently, our traditional reliance on analytical tools is not enough to assess ecosystem health. Biological responses or biomarkers are therefore also considered to be important tools for environmental hazard and risk assessments. Due to historical mining, other anthropogenic activities, and its conservational importance (e.g. NATURA sites, SACs), the Tamar estuary in South West England is an ideal environment in which to examine applications of such biological tools. This review presents a thorough and critical evaluation of the different biological tools used in the Tamar estuary thus far, while also discussing future perspectives for biomarker studies from a global perspective. In particular, we focus on the challenges which hinder applications of biological tools from being more readily incorporated into regulatory frameworks, with the aim of enabling both policymakers and primary stakeholders to maximise the environmental relevance and regulatory usefulness of such tools.
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Affiliation(s)
- Lorna J Dallas
- School of Biological Sciences, Plymouth University, Drake Circus, Plymouth PL4 8AA, UK
| | - Awadhesh N Jha
- School of Biological Sciences, Plymouth University, Drake Circus, Plymouth PL4 8AA, UK.
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50
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Devos A, Dallas LJ, Voiseux C, Lecomte-Pradines C, Jha AN, Fiévet B. Assessment of growth, genotoxic responses and expression of stress related genes in the Pacific oyster Crassostrea gigas following chronic exposure to ionizing radiation. MARINE POLLUTION BULLETIN 2015; 95:688-698. [PMID: 25843441 DOI: 10.1016/j.marpolbul.2015.03.039] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 03/06/2015] [Accepted: 03/21/2015] [Indexed: 06/04/2023]
Abstract
Marine organisms are exposed to low doses of anthropogenic contaminants during their entire life. Authorized amounts of radionuclides are discharged in the Channel by nuclear facilities. The Pacific oyster was used to investigate the potential impact of chronic exposure to ionizing radiation. Though we exposed larvae and spat for two weeks to much higher concentrations than those encountered near nuclear facilities, oyster growth and expression of 9 selected stress genes were not significantly changed. To determine potential DNA damage, 2year old oysters were exposed for two weeks to tritiated water. The comet assay was used to evaluate the level of DNA strand breaks in haemocytes, whilst the 'clearance rate' was used as a measure of physiological effects. Whilst other parameters did not alter, DNA damage significantly increased. Our results highlight the significance of the observed DNA damage and their potential consequences at higher levels of biological organization.
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Affiliation(s)
- Alexandre Devos
- Institut de Radioprotection et de Sûreté Nucléaire, PRP-ENV/SERIS/Laboratoire de Radioécologie de Cherbourg-Octeville, Rue Max Pol Fouchet, BP 10, 50130 Cherbourg Octeville, France
| | - Lorna J Dallas
- University of Plymouth, School of Biological Sciences, Plymouth PL4 8AA, United Kingdom
| | - Claire Voiseux
- Institut de Radioprotection et de Sûreté Nucléaire, PRP-ENV/SERIS/Laboratoire de Radioécologie de Cherbourg-Octeville, Rue Max Pol Fouchet, BP 10, 50130 Cherbourg Octeville, France
| | - Catherine Lecomte-Pradines
- Institut de Radioprotection et de Sûreté Nucléaire, PRP-ENV/SERIS/Laboratoire d'ECOtoxicologie des radionucléides, BP 3, 13115 Saint-Paul-Lez-Durance Cedex, France
| | - Awadhesh N Jha
- University of Plymouth, School of Biological Sciences, Plymouth PL4 8AA, United Kingdom
| | - Bruno Fiévet
- Institut de Radioprotection et de Sûreté Nucléaire, PRP-ENV/SERIS/Laboratoire de Radioécologie de Cherbourg-Octeville, Rue Max Pol Fouchet, BP 10, 50130 Cherbourg Octeville, France.
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