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Ferreira RDO, Guimarães ATB, Luz TMD, Rodrigues ASDL, Islam ARMT, Rahman MM, Ragavendran C, Kamaraj C, Charlie-Silva I, Durigon EL, Braz HLB, Arias AH, Santiago OC, Barceló D, Malafaia G. First report on the toxicity of SARS-CoV-2, alone and in combination with polyethylene microplastics in neotropical fish. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163617. [PMID: 37088384 PMCID: PMC10122543 DOI: 10.1016/j.scitotenv.2023.163617] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 04/10/2023] [Accepted: 04/17/2023] [Indexed: 05/03/2023]
Abstract
The COVID-19 pandemic has caused unprecedented negative impacts in the modern era, including economic, social, and public health losses. On the other hand, the potential effects that the input of SARS-CoV-2 in the aquatic environment from sewage may represent on non-target organisms are not well known. In addition, it is not yet known whether the association of SARS-CoV-2 with other pollutants, such as microplastics (MPs), may further impact the aquatic biota. Thus, we aimed to evaluate the possible ecotoxicological effects of exposure of male adults Poecilia reticulata, for 15 days, to inactivated SARS-CoV-2 (0.742 pg/L; isolated SARS.CoV2/SP02.2020.HIAE.Br) and polyethylene MP (PE MPs) (7.1 × 104 particles/L), alone and in combination, from multiple biomarkers. Our data suggest that exposure to SARS-CoV-2 induced behavioral changes (in the open field test), nephrotoxic effect (inferred by the increase in creatinine), hepatotoxic effect (inferred by the increase in bilirubin production), imbalance in the homeostasis of Fe, Ca, and Mg, as well as an anticholinesterase effect in the animals [marked by the reduction of acetylcholinesterase (AChE) and butyrylcholinesterase (BChE) activity]. On the other hand, exposure to PE MPs induced a genotoxic effect (assessed by the comet assay), as well as an increase in enzyme activity alpha-amylase, alkaline phosphatase, and carboxylesterases. However, we did not show synergistic, antagonistic, or additive effects caused by the combined exposure of P. reticulata to SARS-CoV-2 and PE MPs. Principal component analysis (PCA) and values from the "Integrated Biomarker Response" index indicate that exposure to SARS-CoV-2 was determinant for a more prominent effect in the evaluated animals. Therefore, our study sheds light on the ecotoxicity of the new coronavirus in non-target organisms and ratifies the need for more attention to the impacts of COVID-19 on aquatic biota.
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Affiliation(s)
- Raíssa de Oliveira Ferreira
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), JordiGirona 1826, 08034 Barcelona, Spain
| | | | - Thiarlen Marinho da Luz
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | - Aline Sueli de Lima Rodrigues
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil
| | | | - Md Mostafizur Rahman
- Laboratory of Environmental Health and Ecotoxicology, Department of Environmental Sciences, Jahangirnagar University, Dhaka 1342, Bangladesh
| | - Chinnasamy Ragavendran
- Department of Conservative Dentistry and Endodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences (SIMATS), Chennai, India
| | - Chinnaperumal Kamaraj
- Interdisciplinary Institute of Indian System of Medicine (IIISM), Directorate of Research and Virtual Education, SRM Institute of Science and Technology (SRMIST), Kattankulathur 603203, Tamil Nadu, India
| | - Ives Charlie-Silva
- Chemistry Institute, São Paulo State University (UNESP) Campus Araraquara, Brazil
| | - Edison Luiz Durigon
- Laboratory of Clinical and Molecular Virology, Institute of Biomedical Sciences, University of São Paulo, Brazil
| | | | - Andrés Hugo Arias
- National University of the South Bahía Blanca, CONICET Instituto Argentino de Oceanografía (IADO), Argentina
| | - Omar Cruz Santiago
- Multidisciplinary Postgraduate Program for Environmental Sciences, Universidad Autónoma de San Luis Potosí, Mexico
| | - Damià Barceló
- Catalan Institute for Water Research (ICRA-CERCA), H2O Building, Scientific and Technological Park of the University of Girona, Emili Grahit 101, 17003 Girona, Spain
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Conservation of Cerrado Natural Resources, Goiano Federal Institute, Urutaí, GO, Brazil; Post-Graduation Program in Ecology, Conservation, and Biodiversity, Federal University of Uberlândia, Uberlândia, MG, Brazil; Post-Graduation Program in Biotechnology and Biodiversity, Federal University of Goiás, Goiânia, GO, Brazil; Brazilian Academy of Young Scientists (ABJC), Brazil.
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Pereira BB, de Campos Júnior EO. Enzymatic Alterations and Genotoxic Effects Produced by Sublethal Concentrations of Organophosphorous Temephos in Poecilia reticulata. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2015; 78:1033-1037. [PMID: 26252754 DOI: 10.1080/15287394.2015.1050566] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 05/08/2015] [Indexed: 06/04/2023]
Abstract
The responses of biochemical and genetic parameters were evaluated in tissues of Poecilia reticulata exposed to sublethal and environmentally relevant concentrations of 0.005, 0.01, or 0.02 mg/L of the organophosphorous (OP) pesticide temephos (TE) for 168 h. Activities of enzymes brain acetylcholinesterase (AChE) and liver carboxylesterase (CbE) were determined. Nuclear abnormalities (NA) and micronucleus (MN) frequency in gill erythrocytes were also measured. No mortality was observed over the experimental period; however, brain AChE activities were decreased significantly in guppies in all TE treatment groups after 72 h of exposure. Hepatic CbE activities of fish were increased in all TE treatment groups at 96, 120, and 144 h of exposure. The frequencies of MN and NA in fish gill erythrocytes displayed a marked rise after 168 h of exposure to concentrations of 0.01 or 0.02 mg/L TE. Thus, determination of these parameters may be employed as potential indices of exposure to TE using this sentinel organism for monitorining.
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Affiliation(s)
- Boscolli Barbosa Pereira
- a Department of Environmental Health, Laboratory of Environmental Health , Federal University of Uberlândia, Santa Mônica Campus , Uberlândia , Minas Gerais , Brazil
| | - Edimar Olegário de Campos Júnior
- b Department of Genetics and Biochemistry, Laboratory of Cytogenetics and Mutagenesis , Federal University of Uberlândia, Umuarama Campus , Uberlândia , Minas Gerais , Brazil
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Araújo CVM, Cohin-de-Pinho SJ, Chastinet CBA, Machado SL, da Silva EM. The natural rehabilitation of an anthropogenically acidified tropical Lake: two decades of monitoring. CHEMOSPHERE 2013; 90:887-894. [PMID: 22819945 DOI: 10.1016/j.chemosphere.2012.06.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Revised: 05/21/2012] [Accepted: 06/23/2012] [Indexed: 06/01/2023]
Abstract
The rehabilitation of a pond after approximately 20 years of strong acidified conditions due to industrial and domestic waste deposition in its catchment basin is reviewed. We describe in this study the acidification process that occurred in a tropical pond in Northeast Brazil (Dunas Lake), the rehabilitation plan for the pond and the subsequent monitoring conducted over two decades. After the contamination assessment by the late 80s, a rehabilitation plan was carried out in the early 90s, in which the contaminated soil and water have been removed and reduced, respectively. No further attempt to neutralize the water or any remediation has been carried out. A toxicity monitoring plan based on toxicity assays with the fish Poecilia reticulata was employed to verify the natural rehabilitation of the pond. The data on toxicity, pH, conductivity, sulphate and dissolved iron recorded from 1994 to 2010 were also compiled and discussed. The collected data in 2003 and 2004 indicated changes in water quality and from them complementary management actions, namely improvement in the containment plant, were conducted in 2005. Results for toxicity assays and pH results indicated interannual changes in the water quality similar to rainy-dry periods. Moving average approach using pH data clearly showed the recovery process of Dunas Lake as well as the importance of the containment plan to reduce the contamination. Finally, a summary of the recent situation after two decades of rehabilitation is provided.
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Affiliation(s)
- Cristiano V M Araújo
- Instituto de Biologia, Federal University of Bahia, Campus de Ondina, 40170-115 Salvador, BA, Brazil.
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Araújo CVM, Blasco J, Moreno-Garrido I. Microphytobenthos in ecotoxicology: a review of the use of marine benthic diatoms in bioassays. ENVIRONMENT INTERNATIONAL 2010; 36:637-646. [PMID: 20493528 DOI: 10.1016/j.envint.2010.04.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2010] [Revised: 04/16/2010] [Accepted: 04/23/2010] [Indexed: 05/29/2023]
Abstract
Contamination in coastal zones is an increasing problem that adversely affects biological diversity and the functioning of coastal ecosystems. Sediment is an important compartment of these zones since large quantities of diverse contaminants can accumulate there. Whole-sediment toxicity assays are of increasing importance, and several assay methods using mainly invertebrates have been developed. However, an important part of the benthic community, the microphytobenthos (represented principally by benthic diatoms and cyanobacteria), has surprisingly been neglected. Recently, comprehensive studies have been conducted using benthic marine microalgae with the object of establishing a toxicity assay method for sediment samples. The main results published to date in the literature and obtained by our own team have been compiled and are discussed in this review. The value and feasibility of using certain organisms of the microphytobenthos group in ecotoxicology studies are also discussed, and a sediment quality guideline based on multivariate procedure has been derived from data obtained in previous studies. Finally, future perspectives for research in this field are discussed.
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Affiliation(s)
- Cristiano V M Araújo
- Instituto de Ciencias Marinas de Andalucía (CSIC), Campus Universitario Río San Pedro s/n, Puerto Real, Cádiz, Spain.
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Galindo TP, Moreira LM. Evaluation of genotoxicity using the micronucleus assay and nuclear abnormalities in the tropical sea fish Bathygobius soporator (Valenciennes, 1837) (Teleostei, Gobiidae). Genet Mol Biol 2009; 32:394-8. [PMID: 21637697 PMCID: PMC3036936 DOI: 10.1590/s1415-47572009000200029] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2008] [Accepted: 01/20/2009] [Indexed: 11/22/2022] Open
Abstract
The micronucleus and nuclear abnormalities assays have been used increasingly to evaluate genotoxicity of many compounds in polluted aquatic ecossystems. The aim of this study is to verify the efficiency of the micronucleus assay and nuclear abnormality assay in field and laboratory work, when using erythrocytes of the tropical marine fish Bathygobius soporator as genotoxicity biomarkers. Gill peripheral blood samples were obtained from specimens of Bathygobius soporator. In order to investigate the frequencies of micronuclei and to assess the sensitivity of species, the results were compared with samples taken at the reference site and maintained in the laboratory, and fish treated with cyclophosphamide. The micronucleus assay was efficient in demonstrating field pollution and reproducing results in the labotatory. There were significant higher frequencies of micronuclei in two sites subject to discharge of urban and industrial effluents. The nuclear abnormality assay did not appear to be an efficient tool for genotoxicity evaluation when compared with field samples taken at a reference site in laboratory, with a positive control.
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Affiliation(s)
- Toni P Galindo
- Departamento de Biologia Geral, Instituto de Biologia Universidade Federal da Bahia
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Li MH. Effects of nonylphenol on cholinesterase and carboxylesterase activities in male guppies (Poecilia reticulata). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2008; 71:781-786. [PMID: 18395258 DOI: 10.1016/j.ecoenv.2008.02.014] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2007] [Revised: 01/23/2008] [Accepted: 02/23/2008] [Indexed: 05/26/2023]
Abstract
Compared to the estrogenic effects of 4-nonylphenol (NP), there is little data available on other potential toxic effects of NP in aquatic animals. The effects of NP on cholinesterase (ChE) and carboxylesterase (CbE) activities of male guppies exposed to 10, 60, 150, or 300 μg L(-1) NP were examined after 1, 2, 4, and 7 days of treatment. A significant muscle ChE inhibition, that used acetylthiocholine iodide as a substrate, was noted in male guppies in all NP treatment groups after a 4-day exposure, and 60 and 150 μg L(-1) of NP treatment groups after a 7-day exposure. All guppies exposed to 300 μg L(-1) NP died during the 7-day treatment. However, there was no significant inhibition of muscle ChE that used butyrylthiocholine iodide as a substrate in male guppies for any NP treatments in different exposure times. There were no CbE activity differences in livers of male guppies among NP treatment groups after different exposure times. This is the first report showing the ChE activity inhibition by NP in fish. Further mechanistic studies are needed to define how NP directly or indirectly alters ChE activities at molecular level. The implication of ChE inhibition of NP on potential impacts of aquatic animals also warrants further research.
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Affiliation(s)
- Mei-Hui Li
- Environmental Toxicology Laboratory, Department of Geography, National Taiwan University, 1, Section 4, Roosevelt Road, Taipei 106, Taiwan.
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Araújo CVM, Cohin-de-Pinho SJ, Chastinet CBA, Santos JS, da Silva EM. Discriminating the pH toxicity to Poecilia reticulata Peters, 1859 in the Dunas Lake (Camaçari, BA, Brazil). CHEMOSPHERE 2008; 73:365-370. [PMID: 18632133 DOI: 10.1016/j.chemosphere.2008.05.061] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2007] [Revised: 04/28/2008] [Accepted: 05/27/2008] [Indexed: 05/26/2023]
Abstract
Toxic potential of the pH reduction to fingerlings of Poecilia reticulata, through acute toxicity bioassays, as well as the influence of increased pH on the toxicity were assessed. Acid lake samples (Dunas Lake) were collected during 19 months, and assessed with following treatments: water at local pH (+/-3.0) and samples with modified pH to 3.5, 3.8, 4.0, 4.3, 4.6, 5.0, 5.5, 6.0, and 6.5. Culture water samples with pH reduced to 3.0 were also assessed. Newborn P. reticulata were exposed during 96h, and dead/immobile organisms were counted at various time intervals during exposure (short intervals in the beginning and long towards the end). Mean results of LT50 and confidence intervals from the Dunas Lake and control water with reduced pH were 1.36 (+/-0.48)h, and 1.03 (+/-0.50)h, respectively, with no statistical difference. Samples with increased pH showed a significant reduction in toxicity, with no toxicity detected at pH 6.0 and higher. Relationship between pH and lethal toxicity for fingerlings of P. reticulata demonstrated that pH exerted a strong effect on the survival of this species at the Dunas Lake, explaining about 80% of the toxicity observed.
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Affiliation(s)
- Cristiano V M Araújo
- Instituto de Biologia, Federal University of Bahia, Campus de Ondina, 40170-115 Salvador, BA, Brazil.
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