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Canosa IS, Zanitti M, Medesani DA, López Greco LS, Rodríguez EM. Effects of glyphosate on sperm quality of the estuarine crab Neohelice granulata, under the "One Health" perspective. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 948:174879. [PMID: 39047833 DOI: 10.1016/j.scitotenv.2024.174879] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2024] [Revised: 07/11/2024] [Accepted: 07/17/2024] [Indexed: 07/27/2024]
Abstract
This study was aimed at evaluating the effects of the commercial formulation Roundup Ultramax® on sperm mortality and viability, in terms of the capacity of spermatozoids (spz) to trigger the acrosome reaction (AR), using the estuarine crab Neohelice granulata as a model. To this, an in vivo assay comprising 100 days duration was carried out, on a control group and two groups exposed to the formulation (0.01 mg/L and 0.2 mg/L of glyphosate) under controlled conditions of photoperiod, feeding, and temperature. At the end of the assay, the right vas deferens (VD, proximal and middle portion) was dissected, and after homogenizing it in calcium-free saline solution, the acrosome reaction was induced in the phase containing the spz. In each treatment, the percentage of spz with total and partial AR was calculated, as well as that of dead spz. Compared to the control, crabs exposed to the herbicide showed a significant decrease in spz with full AR, together with an increase in the percentage of spz with partial AR. Furthermore, spz mortality was significantly higher in both glyphosate concentrations compared to the control, in a concentration-dependent manner. On the other hand, abnormal spermatophores, showing expanded walls and coalescence, were observed in a significant percentage in the left VD of the groups treated with the herbicide. The results obtained are compared with those from other studies on several invertebrate and vertebrate species that found inhibition of the AR and abnormal sperm, together with inhibition of spermatogenesis, endocrine disruption, and reduced sperm motility by effect of pure glyphosate and/or different glyphosate formulations. In summary, the available evidence highlights the possible impact of glyphosate on sperm quality, in a wide variety of species.
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Affiliation(s)
- Ivana S Canosa
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Fisiología de Crustáceos, Ciudad Universitaria, C1428EGA Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Buenos Aires, Argentina
| | - Marina Zanitti
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Fisiología de Crustáceos, Ciudad Universitaria, C1428EGA Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Buenos Aires, Argentina
| | - Daniel A Medesani
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Fisiología de Crustáceos, Ciudad Universitaria, C1428EGA Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Buenos Aires, Argentina
| | - Laura S López Greco
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Biología de la Reproducción y el Crecimiento de Crustáceos Decápodos, Ciudad Universitaria, C1428EGA Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Buenos Aires, Argentina
| | - Enrique M Rodríguez
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Fisiología de Crustáceos, Ciudad Universitaria, C1428EGA Buenos Aires, Argentina; CONICET - Universidad de Buenos Aires, Instituto de Biodiversidad y Biología Experimental y Aplicada (IBBEA), Buenos Aires, Argentina
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2
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Carvalho APC, Silva HCM, Gomes ALS, Duncan WLP, Mota AJ, Artoni RF, Carvalho-Zilse G, Matoso DA. Effects of trichlorfon on ecotoxicological biomarkers in farmed Colossoma macropomum (tambaqui). BRAZ J BIOL 2024; 84:e281971. [PMID: 38985061 DOI: 10.1590/1519-6984.281971] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Accepted: 04/29/2024] [Indexed: 07/11/2024] Open
Abstract
Producers of fish have been looking for viable alternatives for the management of Colossoma macropomum (tambaqui) in confinement systems in order to avoid the harm and subsequent losses caused by parasitic diseases. One alternative used by farmers is pesticides, such as trichlorfon, which has a genotoxic effect. Thus, this study aimed to evaluate the changes in gene expression due to the side effects of trichlorfon in tambaqui. Two treatments were used based on LC50-96h of 0.870 mg/L using 30% and 50% trichlorfon with exposure periods of 48, 72 and 96 h. For differential expression of the genes in the liver, real-time PCR was performed for the AChE, GST, CYP2J6, CYP2C8, 18S and GAPDH genes. After 96 h of exposure to trichlorfon, an alteration in the gene expression profile of the antioxidant defense system (GST) of the tambaqui was observed. It was also observed that this organophosphate did not affect the expression of genes related to the isoenzymes that are responsible for the biotransformation of xenobiotics in phase I (2J6 and 2C8) and cholinesterase AChE. It was concluded that the reduction in gene expression of GST suggests a decrease in metabolization capacity in phase II.
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Affiliation(s)
- A P C Carvalho
- Instituto Nacional de Pesquisas da Amazônia - INPA, Programa de Pós-graduação em Genética, Conservação e Biologia Evolutiva - GCBEv, Manaus, AM, Brasil
| | - H C M Silva
- Universidade Estadual de Ponta Grossa - UEPG, Departamento de Biologia Estrutural, Molecular e Genética - DEBIOGEM, Laboratório de Genética e Evolução, Ponta Grossa, PR, Brasil
| | - A L S Gomes
- Universidade Federal do Amazonas - UFAM, Departamento de Parasitologia. Instituto de Ciências Biológica - ICB, Laboratório de Parasitologia de Animais Aquáticos - LAPPA, Manaus, AM, Brasil
| | - W L P Duncan
- Universidade Federal do Amazonas - UFAM, Instituto de Ciências Biológica - ICB, Departamento de Morfologia, Laboratório de Morfologia Funcional - LMF, Manaus, AM, Brasil
| | - A J Mota
- Universidade Federal do Amazonas - UFAM, Faculdade de Ciências Agrárias - FCA, Departamento de Ciências Fundamentais e Desenvolvimento Agrícola - DCFDA, Manaus, AM, Brasil
| | - R F Artoni
- Universidade Estadual de Ponta Grossa - UEPG, Departamento de Biologia Estrutural, Molecular e Genética - DEBIOGEM, Laboratório de Genética e Evolução, Ponta Grossa, PR, Brasil
| | - G Carvalho-Zilse
- Instituto Nacional de Pesquisas da Amazônia - INPA, Coordenação de Biodiversidade, Grupo de Pesquisas em Abelhas - GPA, Manaus, AM, Brasil
| | - D A Matoso
- Universidade Federal do Amazonas - UFAM, Instituto de Ciências Biológicas - ICB, Departamento de Genética, Laboratório de Biotecnologia e Citogenômica Animal - LACA, Manaus, AM, Brasil
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3
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Guillante T, Zebral YD, Costa Silva DGD, Junior ASV, Corcini CD, Acosta IB, Costa PG, Bianchini A, da Rosa CE. Chlorothalonil as a potential endocrine disruptor in male zebrafish (Danio rerio): Impact on the hypothalamus-pituitary-gonad axis and sperm quality. CHEMOSPHERE 2024; 352:141423. [PMID: 38340991 DOI: 10.1016/j.chemosphere.2024.141423] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/26/2024] [Accepted: 02/07/2024] [Indexed: 02/12/2024]
Abstract
Chlorothalonil is a broad-spectrum organochlorine fungicide widely employed in agriculture to control fungal foliar diseases. This fungicide enters aquatic environments through the leaching process, leading to toxicity in non-target organisms. Organic contaminants can impact organism reproduction as they have the potential to interact with the neuroendocrine system. Although there are reports of toxic effects of chlorothalonil, information regarding its impact on reproduction is limited. The aim of the present study was to evaluate the influence of chlorothalonil on male reproductive physiology using the zebrafish (Danio rerio) as ecotoxicological model. Zebrafish were exposed for 7 days to two concentrations of chlorothalonil (0.1 and 10 μg/L) along with a control group (with DMSO - 0.001%). Gene expression of hypothalamus-pituitary-gonad axis components (gnrh2, gnrh3, lhr, fshr, star, hsd17b1, hsd17b3, and cyp19a1), as well as hepatic vitellogenin concentration were assessed. In sperm cells, reactive oxygen species (ROS) content, lipid peroxidation (LPO), mitochondrial functionality, and membrane integrity and fluidity were evaluated. Results indicate that exposure to the higher concentration of chlorothalonil led to a reduction in brain gnr2 expression. In gonads, mRNA levels of lhr, star, and hsd17b1 were decreased at both chlorothalonil concentrations tested. Similarly, hepatic vitellogenin concentration was reduced. Regarding sperm cells, a decreased ROS level was observed, without significant difference in LPO level. Additionally, a higher mitochondrial potential and lower membrane fluidity were observed in zebrafish exposed to chlorothalonil. These findings demonstrate that chlorothalonil acts as an endocrine disruptor, influencing reproductive control mechanisms, as evidenced by changes in expression of genes HPG axis, as well as hepatic vitellogenin concentration. Furthermore, our findings reveal that exposure to this contaminant may compromise the reproductive success of the species, as it affected sperm quality parameters.
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Affiliation(s)
- Tainá Guillante
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Yuri Dornelles Zebral
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Dennis Guilherme da Costa Silva
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | | | - Carine Dahl Corcini
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Faculdade de Veterinária, Universidade Federal De Pelotas, Capão do Leão, Campus Universitário, Pelotas, RS, Brazil
| | - Izani Bonel Acosta
- Faculdade de Veterinária, Universidade Federal De Pelotas, Capão do Leão, Campus Universitário, Pelotas, RS, Brazil
| | - Patrícia Gomes Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil
| | - Carlos Eduardo da Rosa
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande, RS, Brazil.
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Noor MI, Rahman MS. Roundup® disrupts tissue architecture, attenuates Na +/K +-ATPase expression, and induces protein oxidation/nitration, cellular apoptosis, and antioxidant enzyme expressions in the gills of goldfish, Carassius auratus. Comp Biochem Physiol C Toxicol Pharmacol 2023; 272:109710. [PMID: 37532112 DOI: 10.1016/j.cbpc.2023.109710] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 07/14/2023] [Accepted: 07/30/2023] [Indexed: 08/04/2023]
Abstract
Extensive agricultural activities to feed the growing population are one major driving force behind aquatic pollution. Different types of pesticides are used in farmlands to increase crop production and wash up into water bodies. Glyphosate-based herbicide Roundup® is one of the most used pesticides in the United States; however, its effects on teleost species are still poorly understood. This study focused on the effects of environmentally relevant concentrations of Roundup exposure (low- and high-dose: 0.5 and 5 μg/L for 2-week) on Na+/K+-ATPase (NKA, a biomarker for sodium‑potassium ion pump efficacy), cytochrome P450-1A (CYP1A, a monooxygenase enzyme), 2,4-dinitrophenyl protein (DNP, a biomarker for protein oxidation), 3-nitrotyrosine protein (NTP, a biomarker for protein nitration), superoxidase dismutase (SOD, an antioxidant enzyme), catalase (CAT, an antioxidant enzyme) expressions, and cellular apoptosis in the gills of goldfish. Histopathological and in situ TUNEL analyses showed widespread tissue damage, including lamellar fusion, loss of gill architecture, club shape of primary lamellae, mucous formation, and distortion in the epithelium layer, as well as apoptotic nuclei in gills. Immunohistochemical and qRT-PCR analyses provided insights into the expressions of molecular indicators in gills. Fish exposed to Roundup exhibited a significant (P < 0.05) downregulation of NKA expression in gills. Additionally, we observed upregulation of CYP1A, DNP, NTP, SOD, and CAT expressions in the gills of goldfish. Overall, our results suggest that exposure to Roundup causes disruption of gill architecture, induces protein oxidation/nitration and cellular apoptosis, and alters prooxidant-antioxidant homeostasis in tissues, which may lead to reduced fitness and survivability of teleost species.
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Affiliation(s)
- Md Imran Noor
- Biochemistry and Molecular Biology Program, University of Texas Rio Grande Valley, Brownsville, TX, USA
| | - Md Saydur Rahman
- Biochemistry and Molecular Biology Program, University of Texas Rio Grande Valley, Brownsville, TX, USA; School of Integrative Biological and Chemical Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA; School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA.
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Chowdhury A, Rahman MS. Molecular and biochemical biomarkers in the American oyster Crassostrea virginica exposed to herbicide Roundup® at high temperature. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:94757-94778. [PMID: 37540412 DOI: 10.1007/s11356-023-28862-6] [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: 07/07/2022] [Accepted: 07/14/2023] [Indexed: 08/05/2023]
Abstract
Aquatic organisms are frequently exposed to various environmental stressors. Thus, the effects of high temperatures and herbicides on aquatic organisms are a major subject of interest. In this study, we studied the effects of short-term exposure (1 week) to Roundup®, a glyphosate-based herbicide (concentrations: 0.5 and 5 µg/L), on the morphology of gills, digestive glands, and connective tissues, and the expression of heat shock protein-70 (HSP70, a chaperone protein), cytochrome P450 (CYP450, a biomarker of environmental contaminants), dinitrophenyl protein (DNP, a biomarker of protein oxidation), nitrotyrosine protein (NTP, a biomarker of protein nitration), antioxidant enzymes such as superoxidase dismutase (SOD) and catalase (CAT) in tissues of American oyster, Crassostrea virginica (Gmelin, 1791) maintained at high temperature (30 °C). Histological analyses showed an increase in mucous production in the gills and digestive glands, and in hemocyte aggregation in the connective tissues as well as a structural change of lumen in the digestive glands of oysters exposed to Roundup. Immunohistochemical and quantitative RT-PCR analyses showed significant (P < 0.05) increases in HSP70, CYP450, DNP, NTP, CAT, and SOD mRNA and protein expressions in the tissues of oysters exposed to Roundup. Taken together, these results suggest that exposure to Roundup at high temperature induces overproduction of reactive oxygen species/reactive nitrogen species which in turn leads to altered prooxidant-antioxidant activity in oyster tissues. Moreover, our results provide new information on protein oxidation/nitration and antioxidant-dependent mechanisms for HSP70 and CYP450 regulations in oysters exposed to Roundup at high temperature.
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Affiliation(s)
- Afsana Chowdhury
- School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA
| | - Md Saydur Rahman
- School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley, Brownsville, TX, USA.
- School of Integrative Biological and Chemical Sciences, University of Texas Rio Grande Valley, 1 West University Blvd, TX, 78520, Brownsville, USA.
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Ribeiro YM, Moreira DP, Weber AA, Sales CF, Melo RMC, Bazzoli N, Rizzo E, Paschoalini AL. Adverse effects of herbicides in freshwater Neotropical fish: A review. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 252:106293. [PMID: 36148734 DOI: 10.1016/j.aquatox.2022.106293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 09/04/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
Although herbicides have been developed to act on the physiological processes of plants, they are responsible for causing deleterious effects on animals. These chemical compounds are widely used throughout the world, but especially in countries that export agricultural products such as Central and South America, their use has increased in recent years. Aquatic environments are natural reservoirs of herbicides, which after being applied on crops, run off through the soil reaching rivers, lakes, and oceans. Fish are among the many organisms affected by the contamination of aquatic environments caused by herbicides. These animals play an important ecological role and are a major source of food for humans. However, few studies address the effects of herbicides on fish in this region. Thus, in the present review we discuss the morphophysiological and molecular consequences of herbicide exposure in Neotropical fish systems as well as how the environmental and land use characteristics in this region can influence the toxicity of these pollutants. A toxicity pathway framework was developed summarizing the mechanisms by which herbicides act and endpoints that need to be further investigated.
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Affiliation(s)
- Yves Moreira Ribeiro
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Davidson Peruci Moreira
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | | | - Camila Ferreira Sales
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Rafael Magno Costa Melo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Nilo Bazzoli
- Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brasil
| | - Elizete Rizzo
- Departamento de Morfologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, UFMG, Belo Horizonte, Minas Gerais, Brasil
| | - Alessandro Loureiro Paschoalini
- Programa de Pós-graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, PUC Minas, Belo Horizonte, Minas Gerais, Brasil.
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Lopes AR, Moraes JS, Martins CDMG. Effects of the herbicide glyphosate on fish from embryos to adults: a review addressing behavior patterns and mechanisms behind them. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2022; 251:106281. [PMID: 36103761 DOI: 10.1016/j.aquatox.2022.106281] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 07/29/2022] [Accepted: 08/24/2022] [Indexed: 06/15/2023]
Abstract
The use of agrochemicals has grown in recent years following the increase in agricultural productivity, to eliminate weeds that can compromise crop yields. The intensive use of these products combined with the lack of treatment of agricultural wastewater is causing contamination of the natural environments, especially the aquatics. Glyphosate [N-(phosphonomethyl) glycine] is the most commonly used herbicide in agriculture worldwide. Studies have shown that this compound is toxic to a variety of fish species at the concentrations of environmental relevance. Glyphosate-based herbicides can affect fish biochemical, physiological, endocrine, and behavioral pathways. Changes in behaviors such as foraging, escaping from predators, and courtship can compromise the survival of species and even communities. The behavior patterns of fish has been shown to be a sensitive tool for risk assessment. In this sense, this review summarizes and discusses the toxic effects of glyphosate and its formulations on the behavior of fish in different life stages. Additionally, behavioral impairments were associated with other negative effects of glyphosate such as energy imbalance, stress responses, AChE inhibition, and physiological and endocrine disturbances, which are evidenced and described in the literature. Graphical abstract.
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Affiliation(s)
- Andressa Rubim Lopes
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande RS, Brazil.
| | - Jenifer Silveira Moraes
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande RS, Brazil
| | - Camila de Martinez Gaspar Martins
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Rio Grande RS, Brazil
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Le Du-Carrée J, Boukhari R, Cachot J, Cabon J, Louboutin L, Morin T, Danion M. Generational effects of a chronic exposure to a low environmentally relevant concentration of glyphosate on rainbow trout, Oncorhynchus mykiss. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 801:149462. [PMID: 34411792 DOI: 10.1016/j.scitotenv.2021.149462] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/23/2021] [Accepted: 07/31/2021] [Indexed: 06/13/2023]
Abstract
In the past few decades, glyphosate became the most used herbicide substance worldwide. As a result, the substance is ubiquitous in surface waters. Concerns have been raised about its ecotoxicological impact, but little is known about its generational toxicity. In this study, we investigate the impact of an environmentally relevant concentration of glyphosate and its co-formulants on an F2 generation issued from exposed generations F0 and F1. Trans, inter and multigenerational toxicity of 1 μgL-1 of the active substance was evaluated on early stages of development and juvenile rainbow trout (Oncorhynchus mykiss) using different molecular, biochemical, immuno-hematologic, and biometric parameters, behavior analysis, and a viral challenge. Reproductive parameters of generation F1 were not affected. However, developmental toxicity in generation F2 due to glyphosate alone or co-formulated was observed with head size changes (e.g. head surface up to +10%), and metabolic disruptions (e.g. 35% reduction in cytochrome-c-oxidase). Moreover, larvae exposed transgenerationally to Viaglif and intergenerationally to glyphosate and Roundup presented a reduced response to light, potentially indicating altered escape behavior. Overall methylation was, however, not altered and further experiments using gene-specific DNA metylation analyses are required. After several months, biochemical parameters measured in juvenile fish were no longer impacted, only intergenerational exposure to glyphosate drastically increased the susceptibility of rainbow trout to hematopoietic necrosis virus. This result might be due to a lower antibody response in exposed fish. In conclusion, our results show that generational exposure to glyphosate induces developmental toxicity and increases viral susceptibility. Co-formulants present in glyphosate-based herbicides can modulate the toxicity of the active substance. Further investigations are required to study the specific mechanisms of transmission but our results suggest that both non-genetic mechanisms and exposure during germinal stage could be involved.
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Affiliation(s)
- Jessy Le Du-Carrée
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France; UBO University of Western Brittany, Brest, France.
| | - Rania Boukhari
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Jérôme Cachot
- University of Bordeaux, UMR CNRS 5805 EPOC, Allée Geoffroy Saint Hilaire, 33 600 Pessac, France
| | - Joëlle Cabon
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Lénaïg Louboutin
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Thierry Morin
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
| | - Morgane Danion
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Fish Virology, Immunology and Ecotoxicology Unit, 29280 Plouzané, France
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9
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Souza AM, Maciel JC, Barroso GM, Silva RS, Garraffoni ARS, Neves CA, Soares MA, Santos JB. Ecotoxicological effects of commercial herbicides on the reproductive system of aquatic arthropod Limnocoris submontandoni (Hemiptera: Naucoridae). BRAZ J BIOL 2021; 84:e247487. [PMID: 34730696 DOI: 10.1590/1519-6984.247487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 08/19/2021] [Indexed: 11/21/2022] Open
Abstract
Worldwide, conventional agriculture makes extensive use of pesticides. Although the effects of herbicides are relatively well known in terms of environmental impacts on non-target organisms, there is very little scientific evidence regarding the impacts of herbicide residues on aquatic arthropods from tropical conservation areas. This study evaluates for the first time the toxicity of the herbicides ametryn, atrazine, and clomazone on the aquatic insect Limnocoris submontandoni (Hemiptera: Naucoridae). The lethal concentration (LC50) of herbicides was evaluated for these insects, as well as the effect of the herbicides on the insects' tissues and testicles. The estimated LC50 was 1012.41, 192.42, and 46.09 mg/L for clomazone, atrazine, and ametryn, respectively. Spermatocyte and spermatid changes were observed under the effect of atrazine, and effects on spermatogenesis were observed for some concentrations of clomazone, with apparent recovery after a short time. Our results provide useful information on the effects of herbicide residues in aquatic systems. This information can help minimize the risk of long-term reproductive effects in non-target species that have been previously overlooked in ecotoxicology studies.
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Affiliation(s)
- A M Souza
- Universidade Federal de São João Del-Rei - UFSJ, Departamento de Ciências Exatas e Biológicas, Sete Lagoas, MG, Brasil
| | - J C Maciel
- Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Departamento de Agronomia, Diamantina, MG, Brasil
| | - G M Barroso
- Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Departamento de Engenharia Florestal, Diamantina, MG, Brasil
| | - R S Silva
- Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Departamento de Agronomia, Diamantina, MG, Brasil
| | - A R S Garraffoni
- Universidade Estadual de Campinas - UNICAMP, Departamento de Biologia Animal, Campinas, SP, Brasil
| | - C A Neves
- Universidade Federal de Viçosa - UFV, Departamento de Biologia Geral, Viçosa, MG, Brasil
| | - M A Soares
- Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Departamento de Agronomia, Diamantina, MG, Brasil
| | - J B Santos
- Universidade Federal dos Vales do Jequitinhonha e Mucuri - UFVJM, Departamento de Agronomia, Diamantina, MG, Brasil
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10
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Yang C, Lim W, Song G. Reproductive toxicity due to herbicide exposure in freshwater organisms. Comp Biochem Physiol C Toxicol Pharmacol 2021; 248:109103. [PMID: 34129918 DOI: 10.1016/j.cbpc.2021.109103] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 06/02/2021] [Accepted: 06/06/2021] [Indexed: 12/27/2022]
Abstract
Excessively used pesticides in agricultural areas are spilled into aquatic environments, wherein they are suspended or sedimented. Owing to climate change, herbicides are the fastest growing sector of the pesticide industry and are detected in surface water, groundwater, and sediments near agricultural areas. In freshwater, organisms, including mussels, snails, frogs, and fish, are exposed to various types and concentrations of herbicides. Invertebrates are sensitive to herbicide exposure because their defense systems are incomplete. At the top of the food chain in freshwater ecosystems, fish show high bioaccumulation of herbicides. Herbicide exposure causes reproductive toxicity and population declines in freshwater organisms and further contamination of fish used for consumption poses a risk to human health. In addition, it is important to understand how environmental factors are physiologically processed and assess their impacts on reproductive parameters, such as gonadosomatic index and steroid hormone levels. Zebrafish is a good model for examining the effects of herbicides such as atrazine and glyphosate on embryonic development in freshwater fish. This review describes the occurrence and role of herbicides in freshwater environments and their potential implications for the reproduction and embryonic development of freshwater organisms.
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Affiliation(s)
- Changwon Yang
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea
| | - Whasun Lim
- Department of Food and Nutrition, Kookmin University, Seoul 02707, Republic of Korea.
| | - Gwonhwa Song
- Institute of Animal Molecular Biotechnology and Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University, Seoul 02841, Republic of Korea.
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11
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Akça A, Kocabaş M, Kutluyer F. Glyphosate disrupts sperm quality and induced DNA damage of rainbow trout ( Oncorhynchus mykiss) sperm. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART C, TOXICOLOGY AND CARCINOGENESIS 2021; 39:413-422. [PMID: 35895946 DOI: 10.1080/26896583.2021.1969180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
As a widespread pollutant, glyphosate (GLY) adversely affects the aquatic environment and can impair the reproductive ability and functions of fish. The purpose of the current study was to assess in vitro effect of GLY on rainbow trout (Oncorhynchus mykiss) sperm cells. The sperm cells were exposed to different GLY concentrations (2.5, 5, 10 mg/L). Sperm motility parameters were analyzed with computer assisted sperm analysis. DNA fragmentation (%) was measured by the comet assay using fluorescence microscopy. With increased GLY concentration, sperm motility and duration decreased after exposure. DNA fragmentation (% DNA in tail) in sperm cells was higher in treatments containing GLY than control (p < 0.05). Consequently, sperm cells are sensitive to low doses of GLY, and this can negatively affect natural populations.
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Affiliation(s)
- Ayşe Akça
- Department of Wildlife Ecology and Management, Karadeniz Technical University Faculty of Forestry, Trabzon, Turkey
| | - Mehmet Kocabaş
- Department of Wildlife Ecology and Management, Karadeniz Technical University Faculty of Forestry, Trabzon, Turkey
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12
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Yaripour S, Kekäläinen J, Huuskonen H, Janhunen M, Kortet R. Ultra-acute exposure to cadmium does not impair whitefish sperm motility. JOURNAL OF FISH BIOLOGY 2021; 99:1130-1134. [PMID: 33934348 DOI: 10.1111/jfb.14769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2020] [Revised: 04/27/2021] [Accepted: 04/30/2021] [Indexed: 06/12/2023]
Abstract
Cadmium (Cd) exposure can impair the traits of aquatic animals associated with reproduction. In natural lakes Cd is typically detected at concentrations below 0.001 mg l-1 . The authors investigated the impact of ultra-acute Cd exposure on sperm motility in European whitefish (Coregonus lavaretus). They activated sperm with water containing various nominal concentrations of Cd and recorded sperm motility parameters. Only the highest Cd concentration (500 mg l-1 ) was associated with decreased sperm swimming velocity and increases in both the percentage of static cells and curvature of the sperm swimming trajectory. The results indicate that environmentally realistic concentrations of Cd during the sperm motility activation are not critically harmful to male C. lavaretus fertilization potential.
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Affiliation(s)
- Sareh Yaripour
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Jukka Kekäläinen
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Hannu Huuskonen
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
| | - Matti Janhunen
- Natural Resources Institute Finland (Luke), Aquatic Population Dynamics, Joensuu, Finland
| | - Raine Kortet
- Department of Environmental and Biological Sciences, University of Eastern Finland, Joensuu, Finland
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13
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Le Du-Carrée J, Cabon J, Morin T, Danion M. Immunological and metabolic effects of acute sublethal exposure to glyphosate or glyphosate-based herbicides on juvenile rainbow trout, Oncorhynchus mykiss. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 784:147162. [PMID: 34088035 DOI: 10.1016/j.scitotenv.2021.147162] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 04/08/2021] [Accepted: 04/11/2021] [Indexed: 06/12/2023]
Abstract
Glyphosate is a commonly used agrochemical active substance co-formulated in glyphosate-based herbicides (GBHs) whose environmental safety is still a subject of debate in the European Union. We evaluated the effects of acute sublethal exposure to glyphosate on rainbow trout by measuring changes in their metabolic and hemato-immunologic functions and their ability to survive a viral challenge. Juvenile fish were exposed for 96 h to 500 μg L-1 of glyphosate through the active substance alone or two GHBs, Roundup Innovert® and Viaglif Jardin®, and fish were then infected with the infectious hematopoietic necrosis virus. Red and white blood cell counts (RBCC and WBCC), as well as several enzymatic activities (citrate synthase, CS; cytochrome-c oxidase, CCO; lactate dehydrogenase, LDH; glucose-6-phosphate dehydrogenase, G6PDH; acetylcholinesterase, AChE), were measured 96 h after chemical contamination (S1), and 96 h post-viral infection (S2). Mortality rates were monitored, and virus titers at the mortality peaks and seropositivity of the survivors were analyzed at 60 days post-viral infection (S3). Cumulative mortalities, viral titers, and seropositivity induced by virus infection were similar among conditions. Hematological analysis revealed significant increases of 30% for RBCC for Roundup at S1, and of 22% for WBCC at S2. No changes were observed in metabolic enzyme activities at S1. At S2, CCO and G6PDH activities were significantly higher than controls in all the chemically contaminated groups (+61 to 62% and +65 to 138%, respectively). LDH and AChE activities were increased for the Viaglif (p = 0.07; +55%) and for glyphosate and Roundup conditions (p < 0.05, +62 to 79%), respectively. Rainbow trout acutely exposed to glyphosate or GBHs presented no major physiological changes. Viral infection revealed disruptions, potentially modulated by co-formulants, of hematological and metabolic parameters, showing that it is essential to consider the stressful natural environment of fish in the chemical assessment.
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Affiliation(s)
- Jessy Le Du-Carrée
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France; UBO University of Western Brittany, Brest, France.
| | - Joëlle Cabon
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France
| | - Thierry Morin
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France
| | - Morgane Danion
- French Agency for Food, Environmental and Occupational Health and Safety, Ploufragan-Plouzané-Niort Laboratory, Viral Fish Diseases Unit, 29280 Plouzané, France
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14
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Sánchez JAA, Barros DM, de Los Angeles Bistoni M, Ballesteros ML, Roggio MA, Martins CDGM. Glyphosate-based herbicides affect behavioural patterns of the livebearer Jenynsia multidentata. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:29958-29970. [PMID: 33576960 DOI: 10.1007/s11356-020-11958-8] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
Roundup® is one of the most widely marketed glyphosate-based herbicides in the world. There are many different formulations of this brand that differ from each other in glyphosate concentration, salts and adjuvants, including surfactants, which are labelled as "inert" compounds. Several studies have shown that these formulations are highly toxic to fish, even compared with pure glyphosate. However, mechanisms underlying this toxicity are not fully understood. In this context, this study evaluated the effects of exposure to Roundup Original® (RO), Roundup Transorb® (RT), and Roundup WG® (RWG) on the behavioural patterns of the livebearer Jenynsia multidentata. This fish naturally inhabits agricultural areas in southern Brazil and Argentina where glyphosate is used extensively. In the experiment, animals were exposed to the herbicides for 96 h, at the environmentally relevant concentration of 0.5 mg/L of glyphosate. Swimming performance, anxiety, aggressiveness, long-term memory and male sexual activity were recorded. The formulation RWG negatively affected swimming performance, thigmotaxia and long-term memory consolidation. Conversely, RT reduced the sexual performance of males. These results confirm that Roundup® formulations are extremely harmful and also that they have different targets of toxicity, affecting behaviours that are essential for fish survival.
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Affiliation(s)
- Jessica Andrea Albañil Sánchez
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Daniela Marti Barros
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Maria de Los Angeles Bistoni
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Córdoba - UNC, Av. Vélez Sársfield 299, CP 5000, Córdoba, Argentina
- Instituto de Diversidad y Ecología Animal (IDEA), Consejo Nacional de investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sársfield 299, CP 5000, Córdoba, Argentina
| | - Maria Laura Ballesteros
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Córdoba - UNC, Av. Vélez Sársfield 299, CP 5000, Córdoba, Argentina
- Instituto de Diversidad y Ecología Animal (IDEA), Consejo Nacional de investigaciones Científicas y Técnicas (CONICET), Av. Vélez Sársfield 299, CP 5000, Córdoba, Argentina
| | - María Angelina Roggio
- Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Córdoba - UNC, Av. Vélez Sársfield 299, CP 5000, Córdoba, Argentina
| | - Camila De Gaspar Martinez Martins
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil.
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15
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Davico CE, Pereira AG, Nezzi L, Jaramillo ML, de Melo MS, Müller YMR, Nazari EM. Reproductive toxicity of Roundup WG® herbicide: impairments in ovarian follicles of model organism Danio rerio. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:15147-15159. [PMID: 33226558 DOI: 10.1007/s11356-020-11527-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 11/03/2020] [Indexed: 06/11/2023]
Abstract
Glyphosate-based herbicides are widely used in global agriculture, and their effects on different non-target animal organisms have been the focus of many toxicological studies. Regarding the potential role of glyphosate-based herbicides as an endocrine disruptor, the present study aims to investigate the effects of the herbicide Roundup WG® (RWG) on female reproduction, specifically on the ovarian maturation of Danio rerio. Adult females were exposed to low concentrations of RWG (0.065, 0.65, and 6.5 mg L-1) for 15 days, and then the ovaries were submitted to structural and morphometric procedures, accompanied by analysis of the vitellin protein content. Our results showed an increase of initial ovarian follicle numbers, decrease of late ovarian follicles, and smaller diameter of ovarian follicles in fish exposed to 0.065 and 6.5 mg L-1. The thickness of vitelline envelope was reduced, and the vitellin protein content was increased in the ovarian follicle in the two highest concentrations. Ultrastructural changes in the ovarian follicular component were evident and expressed by the cell index; vacuolization in follicular cells, increase of perivitelline space, and impaired mitochondria in oocytes were observed. Therefore, RWG adversely affects the ovarian maturation in D. rerio, and these changes can lead to reproductive toxicity, compromising population dynamics.
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Affiliation(s)
- Carla Eliana Davico
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil
| | - Aline Guimarães Pereira
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil
| | - Luciane Nezzi
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil
| | - Michael Lorenz Jaramillo
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil
| | - Madson Silveira de Melo
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil
| | - Yara Maria Rauh Müller
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil
| | - Evelise Maria Nazari
- Departamento de Biologia Celular, Embriologia e Genética, Centro de Ciências Biológicas, Universidade Federal de Santa Catarina, Florianopolis, 88040-900, Brazil.
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16
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Bonifacio AF, Zambrano MJ, Hued AC. Integrated ecotoxicological assessment of the complex interactions between chlorpyrifos and glyphosate on a non-target species Cnesterodon decemmaculatus (Jenyns, 1842). CHEMOSPHERE 2020; 261:127782. [PMID: 32750624 DOI: 10.1016/j.chemosphere.2020.127782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/16/2020] [Accepted: 07/17/2020] [Indexed: 06/11/2023]
Abstract
Pesticide mixtures are frequent in freshwaters systems around the world, threatening the biota exposed to these conditions. The aim of this study was to determine the single and joint effect of two widely used pesticides in southern South America on a widely distributed fish species. In a 96-h assay, individuals of Cnesterodon decemmaculatus were exposed to 0.84 nL/L and 8.4 nL/L of Clorfox and 0.2 mg/L and 2 mg/L of Roundup Max, commercial formulations of chlorpyrifos and glyphosate, respectively. Also, there were four mixture treatments with all the possible combinations of both pesticides. A multi-level approach was carried out to assess their effects covering the following relevant biomarkers: behavior (immobile time, line crossings and average speed), somatic conditions (Fulton condition factor and hepatosomatic index), serum parameters (cortisol levels, lactate dehydrogenase (LDH), and creatine phosphokinase activity (CPK)), brain and muscle acetylcholinesterase and cytological characteristics (micronuclei frequency and nuclear abnormalities in erythrocytes). Our results showed that Clorfox exposures affect behavioral parameters, serum cortisol, and nuclear characteristics of erythrocytes. Roundup Max affects only the cortisol levels whereas mixture treatments have an effect on behavioral parameters, cortisol levels, LDH and CPK activities, and nuclear characteristics of erythrocytes. Potentiation was the main interaction at the lowest concentrations of both pesticides whereas antagonism occurred at the highest concentrations of both pesticides. These results are highly significant since they arise from an integrated ecotoxicological assessment at several levels of biological organization but even more important is that the potentiated effects of the mixtures we registered are environmentally relevant concentrations.
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Affiliation(s)
- Alejo Fabian Bonifacio
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales. Cátedra de Diversidad Animal II, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina
| | - Micaela Jimena Zambrano
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales. Cátedra de Diversidad Animal II, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina
| | - Andrea Cecilia Hued
- Universidad Nacional de Córdoba, Facultad de Ciencias Exactas, Físicas y Naturales. Cátedra de Diversidad Animal II, Córdoba, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Instituto de Diversidad y Ecología Animal (IDEA), Córdoba, Argentina.
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17
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Zebral YD, da Silva Fonseca J, Roza M, Costa PG, Robaldo RB, Bianchini A. Combining elevated temperature with waterborne copper: Impacts on the energy metabolism of the killifish Poecilia vivipara. CHEMOSPHERE 2020; 253:126631. [PMID: 32302917 DOI: 10.1016/j.chemosphere.2020.126631] [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: 11/18/2019] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
We have previously demonstrated in a companion work that acclimation to 28 °C potentiated waterborne copper (Cu) toxic effects in Poecilia vivipara through oxidative stress-related processes. In the present study, we hypothesized that these results were related to kinetic metabolic adjustments in enzymes from aerobic and anaerobic pathways. To test this, P. vivipara was acclimated to two temperatures (22 °C or 28 °C) for three weeks and then exposed to Cu (control, 9 or 20 μg/L) for 96 h. The activity of enzymes from glycolysis (pyruvate kinase [PK] and lactate dehydrogenase [LDH]), Krebs cycle (citrate synthase [CS]) and the electron transport chain system (ETS) were assessed in gills, liver and muscle. Interactive effects were only seen for hepatic LDH activity, as both metal exposure and heat stress, combined or not, inhibited this enzyme, showing a suppression in anaerobic pathways. Conversely, a Cu main effect was present in the liver, expressed as an elevation in ETS activity, showing an enhancement in hepatic aerobic metabolism likely related with the very energy-demanding process of metal detoxification. Moreover, this study shows that P. vivipara has a remarkable ability to compensate heat stress in terms of energy metabolism, as we could not observe acclimation temperature effects for most of the cases. Nonetheless, a tissue-dependent effect of elevated temperature was observed, as we could observe an inhibition in muscular CS activity. Finally, it is concluded that kinetic adjustments in terms of the energy metabolism are not related with the temperature-dependent elevation of Cu toxicity in P. vivipara as we previously hypothesized.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil.
| | - Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Mauricio Roza
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Patrícia Gomes Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Ricardo Berteaux Robaldo
- Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
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18
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Lopes FC, Junior ASV, Corcini CD, Sánchez JAA, Pires DM, Pereira JR, Primel EG, Fillmann G, Martins CDMG. Impacts of the biocide chlorothalonil on biomarkers of oxidative stress, genotoxicity, and sperm quality in guppy Poecilia vivipara. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 188:109847. [PMID: 31732268 DOI: 10.1016/j.ecoenv.2019.109847] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2019] [Revised: 10/16/2019] [Accepted: 10/19/2019] [Indexed: 06/10/2023]
Abstract
Chlorothalonil is a fungicide present in antifouling paints and other formulations used in agriculture, although studies have shown this chemical to be toxic to fish species. To clarify the deleterious effects of chlorothalonil for these non-target organisms, the present study evaluated the toxic effects of this biocide for the estuarine guppy Poecilia vivipara in terms of an acute mortality test (96 h) and the analysis of biomarkers of oxidative stress, genotoxicity, and sperm quality. The LC50 calculated for P. vivipara was 40.8 μg/L of chlorothalonil. For the analysis of biomarkers, fish were exposed (96 h) to 1 and 10 μg/L of chlorothalonil. It was observed that chlorothalonil alters the levels of pro- and antioxidants towards oxidative stress. In the gills, a negative effect on total antioxidant capacity (ACAP) was detected, while there was a reduction in the activity of glutathione S-transferase (GST) in the liver. However, levels of glutathione (GSH) and the activity and glutamate-cysteine-ligase (GCL) increased in both tissues, as a possible detoxification response. Following chlorothalonil exposure, oxidative damage measured by lipoperoxidation (LPO) significantly increased at the cellular level only (red blood cells (RBCs) and sperm cells). An increase in fluidity of membranes, reactive oxygen species concentration and micronuclei (MNs) incidence were also seen in RBCs. In sperm cells, LPO increased, while membrane and mitochondrial functionality as well as sperm motility decreased. Based on these results, chlorothalonil can be considered as a toxic compound for fish, causing genotoxicity and affecting the RBCs physiology and the fertility of males of P. vivipara.
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Affiliation(s)
- Fernanda Chaves Lopes
- Programa de Pós-Graduação Em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil
| | - Antonio Sergio Varela Junior
- Programa de Pós-Graduação Em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil; Programa de Pós-Graduação Em Veterinária. Faculdade de Veterinária. Universidade Federal de Pelotas. Caixa Postal 354, CEP. 96001-970, Pelotas, RS, Brazil
| | - Carine Dahl Corcini
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil; Programa de Pós-Graduação Em Veterinária. Faculdade de Veterinária. Universidade Federal de Pelotas. Caixa Postal 354, CEP. 96001-970, Pelotas, RS, Brazil
| | - Jessica Andrea Albañil Sánchez
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil
| | - Diego Martins Pires
- Programa de Pós-Graduação Em Veterinária. Faculdade de Veterinária. Universidade Federal de Pelotas. Caixa Postal 354, CEP. 96001-970, Pelotas, RS, Brazil
| | - Jéssica Ribeiro Pereira
- Programa de Pós-Graduação Em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil
| | - Ednei Gilberto Primel
- Escola de Química e Alimentos, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil
| | - Gilberto Fillmann
- Programa de Pós-Graduação Em Oceanologia, Instituto de Oceanografia, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil
| | - Camila De Martinez Gaspar Martins
- Programa de Pós-Graduação Em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil; Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Av. Itália Km 8, CEP. 96203-900, Rio Grande, RS, Brazil.
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19
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Zebral YD, Anni ISA, Junior ASV, Corcini CD, da Silva JC, Caldas JS, Acosta IB, Afonso SB, Bianchini A. Life-time exposure to waterborne copper IV: Sperm quality parameters are negatively affected in the killifish Poecilia vivipara. CHEMOSPHERE 2019; 236:124332. [PMID: 31323547 DOI: 10.1016/j.chemosphere.2019.07.063] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 07/06/2019] [Accepted: 07/08/2019] [Indexed: 05/15/2023]
Abstract
In previous studies, we have shown that copper (Cu) is significantly accumulated in various tissues of killifish Poecilia vivipara following chronic exposure. Also, we showed that chronic metal exposure disrupted energy production and growth in this species. In the present study, we aimed to evaluate if chronic exposure to this metal could also affect reproductive parameters of P. vivipara males (sperm quality). In order to test that, newborn (<24 h-old) fish were exposed to two concentrations of waterborne Cu (5 and 9 μg/L) for 345 days. After exposure, fish were euthanized and the testes were collected for sperm analysis. We could observe that exposed animals had reduced sperm motility and period of motility. Also, the sperm of exposed fish had reduced plasma membrane integrity, mitochondrial functionality and DNA integrity when compared to sperm of control animals. It is suggested that the well-known association of Cu with elevated oxidative damage, endocrine disruption and energetic disturbance are involved with the observed outcomes. The results obtained in the present study show that chronic exposure to environmentally relevant concentrations of waterborne Cu caused reductions in all parameters used to evaluate sperm quality. Therefore, it is concluded that life-time exposure to this metal may disrupt fish reproduction and negatively affect the maintenance of its populations.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-graduação Em Ciências Fisiológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Iuri Salim Abou Anni
- Programa de Pós-graduação Em Ciências Fisiológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Antonio Sergio Varela Junior
- Programa de Pós-graduação Em Biologia de Ambientes Aquáticos Continentais, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Carine Dahl Corcini
- Programa de Pós-graduação Em Ciências Fisiológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil; Faculdade de Veterinária, Universidade Federal Do Rio Grande, Capão Do Leão, Campus Universitário, 96160-000, Pelotas, RS, Brazil
| | - Janaina Camacho da Silva
- Programa de Pós-graduação Em Ciências Fisiológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Jôsie Shwartz Caldas
- Programa de Pós-graduação Em Biologia de Ambientes Aquáticos Continentais, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Izani Bonel Acosta
- Programa de Pós-graduação Em Ciências Fisiológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sidnei Braz Afonso
- Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-graduação Em Ciências Fisiológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal Do Rio Grande, Avenida Itália Km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil.
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20
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Weeks Santos S, Gonzalez P, Cormier B, Mazzella N, Bonnaud B, Morin S, Clérandeau C, Morin B, Cachot J. A glyphosate-based herbicide induces sub-lethal effects in early life stages and liver cell line of rainbow trout, Oncorhynchus mykiss. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 216:105291. [PMID: 31525644 DOI: 10.1016/j.aquatox.2019.105291] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/20/2019] [Revised: 08/28/2019] [Accepted: 09/01/2019] [Indexed: 06/10/2023]
Abstract
Most pesticides used in agriculture end up in the aquatic environment through runoff and leaching of treated crops. One of the most commonly used herbicides is glyphosate. This compound or its metabolites are frequently detected in surface water in Europe. In the present study, in vivo and in vitro studies were carried out using the early life stages of rainbow trout (Oncorhynchus mykiss) and the cell line RTL-W1 (a liver cell line from rainbow trout) to characterize the toxic effects of glyphosate at environmentally-realistic concentrations. Both studies were performed using the commercial formulation Roundup® GT Max, and technical-grade glyphosate for the in vitro study. Eyed-stage embryos were exposed for 3 weeks to sub-lethal concentrations (0.1 and 1 mg/L) of glyphosate using Roundup. Numerous toxicity endpoints were recorded such as survival, hatching success, larval biometry, developmental abnormalities, swimming activity, genotoxicity (formamidopyrimidine DNA-glycosylase Fpg-modified comet assay), lipid peroxidation (TBARS), protein carbonyls and target gene transcription. Concentrations neither affected embryonic or larval survival nor increased developmental abnormalities. However, a significant decrease was observed in the head size of larvae exposed to 1 mg/L of glyphosate. In addition, a significant increase in mobility was observed for larvae exposed to glyphosate at 0.1 mg/L. TBARS levels were significantly decreased on larvae exposed to 1 mg/L (a.i.), and cat and cox1 genes were differently transcribed from controls. DNA damage was detected by the Fpg-modified comet assay in RTL-W1 cell line exposed to the technical-grade glyphosate and Roundup formulation. The results suggest that chronic exposure to glyphosate, at environmental concentrations, could represent a potential risk for early life stages of fish.
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Affiliation(s)
- Shannon Weeks Santos
- UMR CNRS 5805 EPOC, University of Bordeaux, Allée Geoffoy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Patrice Gonzalez
- UMR CNRS 5805 EPOC, University of Bordeaux, Allée Geoffoy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Bettie Cormier
- UMR CNRS 5805 EPOC, University of Bordeaux, Allée Geoffoy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Nicolas Mazzella
- IRSTEA, UR EABX, 50 avenue de Verdun, 33612, Cestas cedex, France
| | - Bertille Bonnaud
- IRSTEA, UR EABX, 50 avenue de Verdun, 33612, Cestas cedex, France
| | - Soizic Morin
- IRSTEA, UR EABX, 50 avenue de Verdun, 33612, Cestas cedex, France
| | - Christelle Clérandeau
- UMR CNRS 5805 EPOC, University of Bordeaux, Allée Geoffoy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Bénédicte Morin
- UMR CNRS 5805 EPOC, University of Bordeaux, Allée Geoffoy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France
| | - Jérôme Cachot
- UMR CNRS 5805 EPOC, University of Bordeaux, Allée Geoffoy Saint-Hilaire, CS 50023, 33615, Pessac Cedex, France.
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21
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Piazza CE, Mattos JJ, de Toledo-Silva G, Flores-Nunes F, Tadra-Sfeir MZ, Trevisan R, Bittencourt AC, Bícego MC, Taniguchi S, Marques MRF, Dafré AL, Bianchini A, Souza EMD, Bainy ACD. Transcriptional effects in the estuarine guppy Poecilia vivipara exposed to sanitary sewage in laboratory and in situ. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 182:109411. [PMID: 31299475 DOI: 10.1016/j.ecoenv.2019.109411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Revised: 06/28/2019] [Accepted: 07/02/2019] [Indexed: 06/10/2023]
Abstract
The urban growth has increased sanitary sewage discharges in coastal ecosystems, negatively affecting the aquatic biota. Mangroves, one of the most human-affected coastal biomes, are areas for reproduction and nursing of several species. In order to evaluate the effects of sanitary sewage effluents in mangrove species, this study assessed the hepatic transcriptional responses of guppy fish Poecilia vivipara exposed to sanitary sewage 33% (v:v), using suppressive subtraction hybridization (SSH), high throughput sequencing of RNA (Ion-proton) and quantification of transcript levels by qPCR of some identified genes in fish kept in a sewage-contaminated environment. Genes identified are related predominantly to xenobiotic biotransformation, immune system and sexual differentiation. The qPCR results confirmed the induction of cytochrome P450 1A (CYP1A), glutathione S transferase A-like (GST A-like) methyltransferase (MET) and UDP glycosyltransferase 1A (UDPGT1A), and repression of complement component C3 (C3), doublesex and mab-3 related transcription factor 1 (DMRT1), and transferrin (TF) in the laboratory experiment. In the field exposure, the transcript levels of CYP1A, DMRT1, MET, GST A-like and UDPGT1A were higher in fishes exposed at the contaminated sites compared to the reference site. Chemical analysis in fish from the laboratory and in situ experiments, and surface sediment from the sewage-contaminated sites revealed relevant levels of polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyl (PCBs) and linear alkylbenzenes (LABs). These data reinforce the use of P. vivipara as a sentinel for monitoring environmental contamination in coastal regions.
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Affiliation(s)
- Clei Endrigo Piazza
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Jacó Joaquim Mattos
- Aquaculture Pathology Research, NEPAQ, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Guilherme de Toledo-Silva
- Bioinformatics Laboratory, Cell Biology, Embriology and Genetics Department, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Fabrício Flores-Nunes
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | | | - Rafael Trevisan
- Nicholas School of the Environment, Duke University, Durham, NC, 27708, USA
| | - Arnaldo Cechinel Bittencourt
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Márcia Caruso Bícego
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Satie Taniguchi
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Maria Risoleta Freire Marques
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Alcir Luiz Dafré
- Laboratory of Cellular Defenses, Department of Biochemistry, Federal University of Santa Catarina, Florianópolis, Brazil
| | - Adalto Bianchini
- Department of Physiological Sciences, Federal University of Rio Grande Foundation, Rio Grande, Brazil
| | | | - Afonso Celso Dias Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil.
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22
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Silveira CR, Varela Junior AS, Corcini CD, Soares SL, Anciuti AN, Kütter MT, Martínez PE. Effects of Bisphenol A on redox balance in red blood and sperm cells and spermatic quality in zebrafish Danio rerio. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:913-922. [PMID: 31396792 DOI: 10.1007/s10646-019-02091-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 06/21/2019] [Indexed: 06/10/2023]
Abstract
Bisphenol-A (BPA) is a potential endocrine disruptor besides being associated with oxidative damage in several vertebrate classes. In the present study we investigated oxidative effects in erythrocytes and sperm cells as well as spermatic quality in Danio rerio exposed to 14 days at BPA concentrations of 2, 10 and 100 μg/L. Organelles structure, reactive species of oxygen (ROS) and lipoperoxidation (LPO) on erythrocytes and sperm cells were measured by flow cytometry and spermatic parameters were analyzed by the computer-assisted sperm analysis (CASA) system. For both cell types, when compared with control BPA treatment induced a significant increase in ROS and LPO production causing the membrane fluidity disorder, loss of membrane integrity and mitochondrial functionality. Furthermore, it was found a significant increase in DNA fragmentation in erythrocytes of zebrafish BPA exposed. Regarding the spermatic quality, results showed lower sperm motility in animals exposed to BPA, and alterations on velocity parameters of spermatozoa. Thus, the present study concludes that BPA affects the oxidative balance of both cell types, and that can directly affects the reproductive success of the adult Danio rerio. The sensitivity of erythrocytes to oxidative damage induced by BPA was similar to sperm cells, indicating a potential use of blood cells as indicators of oxidative damage present in fish sperm.
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Affiliation(s)
- C R Silveira
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - A S Varela Junior
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - C D Corcini
- Reprodução Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - S L Soares
- Reprodução Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - A N Anciuti
- Reprodução Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Pelotas, Rio Grande do Sul, Brazil
| | - M T Kütter
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil
| | - P E Martínez
- Reprodução Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul, Brazil.
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23
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Fernanda Moreira L, Juliana Zomer S, Marta Marques S. Modulation of the multixenobiotic resistance mechanism in Danio rerio hepatocyte culture (ZF-L) after exposure to glyphosate and Roundup ®. CHEMOSPHERE 2019; 228:159-165. [PMID: 31029961 DOI: 10.1016/j.chemosphere.2019.04.140] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2019] [Revised: 04/17/2019] [Accepted: 04/18/2019] [Indexed: 06/09/2023]
Abstract
The presence of the transmembrane proteins of the ATP-binding cassette (ABC) family, which perform the efflux of several substances, contributes to the survival of aquatic organisms in a contaminated environmental. Those proteins provide a phenotype named the multixenobiotic resistance mechanism (MXR) by performing the efflux of a wide range of endogenous and exogenous compounds (ABCB) and biotransformation products and anionic compounds (ABCC). The aim of the present study was to evaluate the cellular defense pathway of an established culture from zebrafish hepatocytes (ZF-L) after 24 and 48 h of exposure to glyphosate and Original Roundup®, an herbicide used globally. Through abcb4, abcc1, abcc2 and abcc4 gene expression, ABCB and ABCC2 protein expression and ABC pump activity in ZF-L cells exposed to glyphosate and Roundup®. The results showed an increase in ABCB gene and protein expression; however, although ABCC2 showed an increase in gene expression, its protein expression was lower than in the control group. Regarding ABC activity, only exposure to Roundup® at the lowest concentration showed an increase at 48 h, but in the presence of inhibitors, both glyphosate and Roundup® appeared to modulate ABC activity, reducing its inhibition and returning activity to levels without inhibitor.
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Affiliation(s)
- Lopes Fernanda Moreira
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900, Rio Grande, RS, Brazil.
| | - Sandrini Juliana Zomer
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900, Rio Grande, RS, Brazil.
| | - Souza Marta Marques
- Programa de Pós-Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900, Rio Grande, RS, Brazil.
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24
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de Brito Rodrigues L, Gonçalves Costa G, Lundgren Thá E, da Silva LR, de Oliveira R, Morais Leme D, Cestari MM, Koppe Grisolia C, Campos Valadares M, de Oliveira GAR. Impact of the glyphosate-based commercial herbicide, its components and its metabolite AMPA on non-target aquatic organisms. MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 842:94-101. [PMID: 31255230 DOI: 10.1016/j.mrgentox.2019.05.002] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2018] [Revised: 04/29/2019] [Accepted: 05/03/2019] [Indexed: 11/16/2022]
Abstract
Glyphosate (GLY) is the active ingredient of several herbicide formulations widely used to control weeds in agricultural and non-agricultural areas. Due to the intensive use of GLY-based herbicides and their direct application on soils, some of their components, including the active ingredient, may reach the aquatic environment through direct run-off and leaching. The present study assessed the acute toxicity and genotoxicity of the GLY-based formulation Atanor 48 (ATN) and its major constituents GLY, surfactant polyethoxylated tallow amine (POEA), as well as the main metabolite of GLY aminomethylphosphonic acid (AMPA) on non-target aquatic organisms. The toxic effects of these chemicals were evaluated in the fish embryo acute toxicity test with zebrafish (Danio rerio), while genotoxic effects were investigated in the comet assays with cells from zebrafish larvae and rainbow trout gonad-2 (RTG-2). GLY and AMPA caused no acute toxic effect, while ATN and POEA induced significant lethal effects in zebrafish (LC50-96 h 76.50 mg/L and 5.49 mg/L, respectively). All compounds were genotoxic in comet experiments with zebrafish larvae (LOEC 1.7 mg/L for GLY, ATN, AMPA and 0.4 mg/L for POEA). Unlike in vivo, only POEA induced DNA damage in RTG-2 cells (LOEC 1.6 mg/L), suggesting that it is a direct acting genotoxic agent. In summary, these data indicate that the lethal effects on zebrafish early-life stages can be ranked in the following order from most to least toxic: surfactant POEA > formulation ATN > active ingredient GLY ≈ metabolite AMPA. Genotoxic effects were observed in both RTG-2 cells (only POEA) and zebrafish (all test compounds) with the lowest tested concentrations. Therefore, it is important to evaluate different toxicological endpoints as well as use different non-target organisms to predict the hazards of GLY-based formulations and their components and breakdown product to aquatic biota.
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Affiliation(s)
| | | | | | | | - Rhaul de Oliveira
- Faculty of Pharmaceutical Sciences, University of São Paulo (USP), São Paulo, SP, Brazil; School of Technology, State University of Campinas, UNICAMP, Limeira, SP, Brazil
| | - Daniela Morais Leme
- Department of Genetics - Federal University of Paraná (UFPR), Curitiba, PR, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil
| | | | - Cesar Koppe Grisolia
- Biological Sciences Institute - University of Brasília (UnB), Brasília, Distrito Federal, Brazil
| | | | - Gisele Augusto Rodrigues de Oliveira
- Faculty of Pharmacy, Federal University of Goiás (UFG), Goiânia, Goiás, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), UNESP, Institute of Chemistry, P.O. Box 355, 14800-900 Araraquara, SP, Brazil.
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25
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Smith CM, Vera MKM, Bhandari RK. Developmental and epigenetic effects of Roundup and glyphosate exposure on Japanese medaka (Oryzias latipes). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 210:215-226. [PMID: 30875550 DOI: 10.1016/j.aquatox.2019.03.005] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 03/05/2019] [Accepted: 03/06/2019] [Indexed: 05/18/2023]
Abstract
Roundup and other glyphosate-based herbicides are the most commonly used herbicides in the world, yet their effects on developing fish embryos are not clearly understood. The present study, therefore, examined developmental teratogenic effects and adult-onset reproductive effects of exposure to environmentally relevant concentrations of glyphosate and Roundup in Japanese medaka fish (Oryzias latipes). Hd-rR strain medaka embryos were exposed to 0.5 mg/L glyphosate, 0.5 mg/L and 5 mg/L Roundup (glyphosate acid equivalent) for the first 15 days of their embryonic life and then allowed to sexually mature without further exposure. Whole body tissue samples were collected at 15 days post fertilization (dpf) and brain and gonad samples were collected in mature adults. Hatching success and phenotypic abnormalities were recorded up until 15 dpf. Roundup (0.5 mg/L) and glyphosate decreased cumulative hatching success, while glyphosate exposure increased developmental abnormalities in medaka fry. Expression of the maintenance DNA methyltransferase gene Dnmt1 decreased, whereas expression of methylcytosine dioxygenase genes (Tet1, Tet2 and Tet3) increased in fry at 15 dpf suggesting that epigenetic alterations increased global DNA demethylation in the developing fry. Fecundity and fertilization efficiency were not altered due to exposure. Among the reproduction-related genes in the brain, kisspeptin receptor (Gpr54-1) expression was significantly reduced in females exposed to 0.5 mg/L and 5 mg/L Roundup, and Gpr54-2 was reduced in the 0.5 mg/L Roundup treatment group. No change in expression of these genes was observed in the male brain. In the testes, expression of Fshr and Arα was significantly reduced in medaka exposed to 0.5 mg/L Roundup and glyphosate, while the expression of Dmrt1 and Dnmt1 was reduced in medaka exposed to 0.5 mg/L glyphosate. No change in expression of these genes was observed in the ovaries. The present study demonstrates that Roundup and its active ingredient glyphosate can induce developmental, reproductive, and epigenetic effects in fish; suggesting that ecological species, mainly fish, could be at risk for endocrine disruption in glyphosate and Roundup-contaminated water bodies.
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Affiliation(s)
- Chelsea M Smith
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC, 27412, United States
| | - Madeline K M Vera
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC, 27412, United States
| | - Ramji K Bhandari
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC, 27412, United States.
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26
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Anni ISA, Zebral YD, Afonso SB, Jorge MB, Moreno Abril SI, Bianchini A. Life-time exposure to waterborne copper II: Patterns of tissue accumulation and gene expression of the metal-transport proteins ctr1 and atp7b in the killifish Poecilia vivipara. CHEMOSPHERE 2019; 223:257-262. [PMID: 30784733 DOI: 10.1016/j.chemosphere.2019.02.083] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2019] [Revised: 02/12/2019] [Accepted: 02/13/2019] [Indexed: 06/09/2023]
Abstract
The involvement of transporting proteins on copper (Cu) bioaccumulation was evaluated in the killifish Poecilia vivipara chronically exposed to environmentally relevant concentrations of waterborne Cu. Fish (<24 h-old) were maintained under control condition or exposed to different waterborne Cu concentrations (5, 9 and 20 μg/L) for 28 and 345 days in saltwater. Following exposure periods, Cu accumulation and the expression of genes encoding for the high affinity Cu-transporter (ctr1) and the P-type Cu-ATPase (atp7b) were evaluated. Whole-body metal accumulation and gene expression were evaluated in fish exposed to 28 days. Similarly, in fish exposed to 345 days, liver, gills and gut were also evaluated. No fish survival was observed after exposure to 20 μg/L for 345 days. Whole-body Cu accumulation was significantly higher in fish exposed to 20 μg/L Cu for 28 days and in fish exposed to 9 μg/L for 345 days in comparison to control animals. Similarly, tissue Cu accumulation was significantly higher in fish exposed to 9 μg/L for 345 days in comparison to control animal. However, no significant accumulation was observed in fish muscle. Following exposure for 28 days, whole-body ctr1 expression was slightly induced in fish exposed to 9 μg/L. In turn, no significant change in ctr1 expression was observed following exposure to Cu for 345 days. Differently, whole-body atp7b expression was markedly up-regulated in the whole-body of fish exposed Cu for 28 days and in tissues of fish exposed to Cu for 345 days. These findings indicate the expression of atp7b is more responsive to Cu accumulation in P. vivipara than ctr1 expression and, therefore, more suitable to be used as a biomarker of exposure to this metal. Also, we argue that the expression of atp7b is sustained at elevated levels for as much time as fish are maintained in Cu contaminated water.
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Affiliation(s)
- Iuri Salim Abou Anni
- Programa de Pós-graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Yuri Dornelles Zebral
- Programa de Pós-graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sidnei Braz Afonso
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Marianna Basso Jorge
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sandra Isabel Moreno Abril
- Programa de Pós-graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil.
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27
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Dornelles Zebral Y, Roza M, da Silva Fonseca J, Gomes Costa P, Stürmer de Oliveira C, Gubert Zocke T, Lemos Dal Pizzol J, Berteaux Robaldo R, Bianchini A. Waterborne copper is more toxic to the killifish Poecilia vivipara in elevated temperatures: Linking oxidative stress in the liver with reduced organismal thermal performance. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 209:142-149. [PMID: 30776781 DOI: 10.1016/j.aquatox.2019.02.005] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 02/06/2019] [Accepted: 02/06/2019] [Indexed: 06/09/2023]
Abstract
In this study, we measured the interactive effect of temperature (22 °C and 28 °C) and waterborne copper (Cu) contamination (9 μg/L and 20 μg/L) on the killifish Poecilia vivipara. Endpoints analyzed included parameters involved in Cu-accumulation, antioxidant capacity (antioxidant capacity against peroxyl radicals [ACAP] and total antioxidant capacity [TAC]), oxidative damage (lipid peroxidation [LPO]) and upper thermal tolerance (critical thermal maximum [CTMax]). Results show that Cu hepatic accumulation was elevated in 28 °C in comparison to 22 °C in both exposure groups. For gills, this was true only in 20 μg/L. Moreover, hepatic and brachial accumulation were concentration-dependent in both acclimation temperatures. Additionally, Hepatic ACAP and TAC were elevated in animals acclimated to 28 °C and only the animals kept at this temperature had reduced ACAP and TAC levels facing metal exposure (9 and 20 μg/L). Similarly, the combination of elevated temperature and Cu exposure raised hepatic LPO levels. Finally, animals acclimated to 28 °C had higher CTMax levels in comparison to fish acclimated to 22 °C both in control and exposed animals, however, CTMax of contaminated fish were only reduced in comparison to control in animals kept at 28 °C. Concluding, we show that the physiological mechanism besides the potentiating effect of elevated temperature in Cu toxicity is related to higher hepatic and branchial metal accumulation and elevated oxidative stress in the liver, outlined by reduced antioxidant capacity and elevated oxidative damage. We also show that these outcomes lead to compromised organismal performance, characterized by reduced CTMax. Finally, it is concluded that Cu exposure in warmer periods of the year or within global warming predictions may be more hazardous to fish populations.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Mauricio Roza
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Juliana da Silva Fonseca
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Patrícia Gomes Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Caroline Stürmer de Oliveira
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Tayndy Gubert Zocke
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Juliana Lemos Dal Pizzol
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Ricardo Berteaux Robaldo
- Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil.
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Silveira T, Varela Junior AS, Corcini CD, Domingues WB, Remião M, Santos L, Barreto B, Lessa I, Martins D, Boyle RT, Costa PG, Bianchini A, Robaldo RB, Campos VF. Roundup® Herbicide Decreases Quality Parameters of Spermatozoa of Silversides Odontesthes Humensis. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2019; 102:1-6. [PMID: 30511085 DOI: 10.1007/s00128-018-2508-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2018] [Accepted: 11/29/2018] [Indexed: 06/09/2023]
Abstract
The silverside (Odontesthes humensis) is a very interesting model for toxicological studies due its high sensitivity and need for good water quality. The aim of this study was to evaluate the effects of Roundup on spermatozoa of O. humensis, after acute exposure. The fish were exposed to 0 and 7.8 mg L-1 (a.e.) of glyphosate, respectively. Through computer-assisted sperm analysis, a significant decrease in concentration, total and progressive motility, average path distance, straight line distance, path average velocity, curved line velocity, straight line velocity linearity, wobble, amplitude of lateral head displacement, cross beat frequency, and motility period of silverside spermatozoa exposed to Roundup was observed. Also, increase in membrane fluidity, ROS production and lipid peroxidation and a decrease in the mitochondrial functionality was observed in spermatozoa of Roundup exposed silversides. It was demonstrated that Roundup exposure in a concentration that can be achieve in natural water bodies soon after its application in fields is able to cause losses in several sperm quality parameters, consequently decreasing the fertilization potential of O. humensis spermatozoa.
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Affiliation(s)
- Tony Silveira
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Antonio Sergio Varela Junior
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
- Laboratório de Reprodução Animal Comparada, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Carine Dahl Corcini
- Laboratório de Reprodução Animal Comparada, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - William B Domingues
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Mariana Remião
- Laboratório de Biotecnologia do Câncer, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Lucas Santos
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Bruna Barreto
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Ingrid Lessa
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Diego Martins
- Laboratório de Reprodução Animal Comparada, Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Robert T Boyle
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Patrícia Gomes Costa
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Rio Grande, RS, Brazil
| | - Ricardo B Robaldo
- Laboratório de Fisiologia, Programa de Pós-Graduação em Biologia Animal, Universidade Federal de Pelotas, Pelotas, RS, Brazil
| | - Vinicius Farias Campos
- Laboratório de Genômica Estrutural, Programa de Pós-Graduação em Biotecnologia, Centro de Desenvolvimento Tecnológico, Universidade Federal de Pelotas, Pelotas, RS, Brazil.
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Lopes FM, Sandrini JZ, Souza MM. Toxicity induced by glyphosate and glyphosate-based herbicides in the zebrafish hepatocyte cell line (ZF-L). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 162:201-207. [PMID: 29990732 DOI: 10.1016/j.ecoenv.2018.07.005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Revised: 06/20/2018] [Accepted: 07/01/2018] [Indexed: 06/08/2023]
Abstract
Glyphosate is the active component of many commonly used herbicides; it can reach bodies of water through irrigated rice plantations. In the present study, we evaluated the effect of glyphosate and Roundup® (a glyphosate-based herbicide) in established culture of the zebrafish hepatocyte cell line ZF-L after 24 and 48 h of exposure to concentrations of 650 and 3250 µg/L. We observed a reduction in metabolic activity and lysosomal integrity, and an increase in cell number after 24 h of Roundup® exposure at the highest concentration. An increase in active mitochondria and apoptotic cells was observed following 24 h exposure to glyphosate and Roundup®, while only exposure to Roundup® induced an increase in necrotic cells. Rhodamine B accumulation decreased after 48 h exposure to 650 µg/L of Roundup®; this reduction is indicative of increased activity of ABC pumps. Overall, the present findings highlighted the hazard of glyphosate exposure not only in the commercial formulation but also glyphosate alone, since both can induce damage in the ZF-L cell line primarily through the induction of apoptosis.
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Affiliation(s)
- Fernanda Moreira Lopes
- Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900 Rio Grande, RS, Brazil.
| | - Juliana Zomer Sandrini
- Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900 Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900 Rio Grande, RS, Brazil.
| | - Marta Marques Souza
- Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900 Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av Itália km 8, 96203-900 Rio Grande, RS, Brazil.
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Avdatek F, Birdane YO, Türkmen R, Demirel HH. Ameliorative effect of resveratrol on testicular oxidative stress, spermatological parameters and DNA damage in glyphosate-based herbicide-exposed rats. Andrologia 2018; 50:e13036. [PMID: 29761542 DOI: 10.1111/and.13036] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/19/2018] [Indexed: 12/30/2022] Open
Abstract
In this study, the reproductive impacts of being exposed to glyphosate (GLF) and the protective impacts of resveratrol (RES) were assessed in 28 Wistar male rats, which were equally separated into four groups. Control group were fed normal diet without GLF or RES, group II received normal feed containing 20 mg kg-1 daily-1 RES, group III received normal feed containing 375 mg kg-1 daily-1 GLF, and group IV received normal feed containing 375 mg kg-1 daily-1 GLF+20 mg kg-1 daily-1 RES. GLF administration decreased sperm motility, sperm plasma membrane integrity, glutathione level and superoxide dismutase in the testicular tissue of rats. On the other hand, abnormal sperm rate, malondialdehyde level, and DNA damage were detected to be high in the group treated with GLF. The findings indicate that RES protects spermatological parameters and DNA damage, decreases GLF-induced lipid peroxidation, improves the antioxidant defence mechanism and regenerates tissue damage in the testis of rats.
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Affiliation(s)
- F Avdatek
- Department of Reproduction and Artificial Insemination, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - Y O Birdane
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - R Türkmen
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, Afyon Kocatepe University, Afyonkarahisar, Turkey
| | - H H Demirel
- Department of Laborant and Veterinary Health, Bayat Vocational School, Afyon Kocatepe University, Afyonkarahisar, Turkey
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Fu H, Xia Y, Chen Y, Xu T, Xu L, Guo Z, Xu H, Xie HQ, Zhao B. Acetylcholinesterase Is a Potential Biomarker for a Broad Spectrum of Organic Environmental Pollutants. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2018; 52:8065-8074. [PMID: 29995397 DOI: 10.1021/acs.est.7b04004] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Acetylcholinesterase (AChE, EC 3.1.1.7) is a classical biomarker for monitoring contamination and intoxication of organophosphate (OP) and carbamate pesticides. In addition to these classical environmental AChE inhibitors, other organic toxic substances have been found to alter AChE activity in various species. These emerging organic AChE disruptors include certain persistent organic pollutants (POPs), polycyclic aromatic hydrocarbons (PAHs), and wildly used chemicals, most of which have received considerable public health concern in recent years. It is necessary to re-evaluate the environmental significances of AChE in terms of these toxic substances. Therefore, the present review is aiming to summarize correlations of AChE activity of certain organisms with the level of the contaminants in particular habitats, disruptions of AChE activity upon treatment with the emerging disruptors in vivo and in vitro, and action mechanisms underlying the effects on AChE. Over 40 chemicals belonging to six main categories were reviewed, including 12 POPs listed in the Stockholm Convention. AChE activity in certain organisms has been found to be well correlated with the contamination level of certain persistent pesticides and PAHs in particular habitats. Moreover, it has been documented that most of the listed toxic chemicals could inhibit AChE activity in diverse species ranging from invertebrates to mammals. Besides directly inactivating AChE, the mechanisms in terms of interference with the biosynthesis have been recognized for some emerging AChE disruptors, particularly for dioxins. The collected evidence suggests that AChE could serve as a potential biomarker for a diverse spectrum of organic environmental pollutants.
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Affiliation(s)
- Hualing Fu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Yingjie Xia
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Yangsheng Chen
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Tuan Xu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Li Xu
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Zhiling Guo
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Haiming Xu
- School of Public Health and Management , Ningxia Medical University , Yinchuan , Ningxia Hui Autonomous Region 750004 , China
| | - Heidi Qunhui Xie
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
| | - Bin Zhao
- State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences , Chinese Academy of Sciences , Beijing 100085 , China
- University of Chinese Academy of Sciences, Beijing 100085 , China
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Zebral YD, Anni ISA, Afonso SB, Abril SIM, Klein RD, Bianchini A. Effects of life-time exposure to waterborne copper on the somatotropic axis of the viviparous fish Poecilia vivipara. CHEMOSPHERE 2018; 203:410-417. [PMID: 29631113 DOI: 10.1016/j.chemosphere.2018.03.202] [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: 02/08/2018] [Revised: 03/21/2018] [Accepted: 03/31/2018] [Indexed: 06/08/2023]
Abstract
Reduced fish growth following chronic exposure to dissolved copper (Cu) is well reported in the literature. Nevertheless, information on the mechanism(s) involved in this process is scarce. Therefore, we evaluated growth, gene expression and concentrations of proteins related to growth regulation in the viviparous guppy Poecilia vivipara chronically exposed to dissolved Cu. Newborn (<24 h after birth) fish were kept under control conditions or exposed to environmentally relevant concentrations of Cu (5 and 9 μg/L) in salt water (24 ppt) for 345 days. After exposure, fish growth was evaluated based on body weight and length. Also, growth hormone (gh) mRNA expression was evaluated in brain, while growth hormone receptor 1 (ghr1) and 2 (ghr2) mRNA expressions were analyzed in brain, skeletal muscle and liver. In turn, insulin-like growth factor 1 (igf1) and 2 (igf2) mRNA expressions were evaluated in skeletal muscle and liver. Additionally, Gh concentration was assessed in brain, while Ghr concentration was evaluated in skeletal muscle and liver. Exposure to 9 μg/L Cu reduced fish body weigh and length. Metal exposure affected mRNA expression only in skeletal muscle. Reduced ghr2 mRNA expression was observed in guppies exposed to 5 and 9 μg/L Cu. Additionally, reduced igf1 and igf2 mRNA expressions were observed in guppies exposed to 9 μg/L Cu. However, no significant change in Ghr concentration was observed. The reduced ghr2 mRNA expression suggests that chronic Cu exposure induced an insensitivity of the skeletal muscle to Gh, thus resulting in reduced igf1 and igf2 mRNA expression which lead to reduced fish growth. These findings indicate that chronic exposure to dissolved Cu disrupts the somatotropic axis regulation, thus helping to elucidate the mechanism underlying the Cu-dependent inhibition of growth observed in the viviparous fish P. vivipara.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Iuri Salim Abou Anni
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sidnei Braz Afonso
- Curso de Graduação Em Ciências Biológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Sandra Isabel Moreno Abril
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Roberta Daniele Klein
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação Em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Avenida Itália km 8, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil.
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Xu X, Cui Z, Wang X, Wang X, Zhang S. Toxicological responses on cytochrome P450 and metabolic transferases in liver of goldfish (Carassius auratus) exposed to lead and paraquat. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 151:161-169. [PMID: 29353166 DOI: 10.1016/j.ecoenv.2017.12.062] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 12/28/2017] [Accepted: 12/29/2017] [Indexed: 06/07/2023]
Abstract
As the producer of reactive oxygen species (ROS), both lead (Pb) and paraquat (PQ) can generate serious oxidative stress in target organs which result in irreversible toxic effects on organisms. They can disturb the normal catalytic activities of many enzymes by means of different toxicity mechanism. The changed responses of enzymes are frequently used as the biomarkers for indicating the relationship between toxicological effects and exposure levels. In this work, goldfish was exposed to a series of test groups containing lead and paraquat in the range of 0.05-10mg/L, respectively. Four hepatic enzyme activities, including 7-ethoxyresorufinO-deethylase (EROD), 7-benzyloxy-4-trifluoromethyl-coumarin-O-debenzyloxylase (BFCOD), glutathione S-transferase (GST) and UDP-glucuronosyltransferase (UGT) were determined after 1, 7, 14, 28 days exposure. The results showed that the activities of EROD and BFCOD in fish were significantly inhibited in response to paraquat at all exposure levels during the whole experiment. Similarly, the inhibitory effects of lead exposure on BFCOD activity were found in our study, while different responses of lead on EROD were observed. There were no significant differences on EROD activity under lower concentrations of lead (less than 0.1mg/L) before 14 days until an obvious increase was occurred for the 0.5mg/L lead treatment group at day 14. Furthermore, lead showed stronger inhibition on GST activity than paraquat when the concentrations of the two toxicants were more than 0.5mg/L. However, the similar dose and time-dependent manners of UGT activity were found under lead and paraquat exposure. Our results indicated that higher exposure levels and longer accumulations caused inhibitory effects on the four enzymes regardless of lead or paraquat stress. In addition, the responses of phase I enzymes were more sensitive than that of phase II enzymes and they may be served as the acceptable biomarkers for evaluating the toxicity effects of both lead and paraquat.
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Affiliation(s)
- Xiaoming Xu
- School of Environmental Science and Engineering, Shandong University, Jinan 250100, China; School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Zhaojie Cui
- School of Environmental Science and Engineering, Shandong University, Jinan 250100, China.
| | - Xinlei Wang
- School of Environmental Science and Engineering, Shandong University, Jinan 250100, China
| | - Xixin Wang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
| | - Su Zhang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, Jinan 250101, China
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Zebral YD, Lansini LR, Costa PG, Roza M, Bianchini A, Robaldo RB. A glyphosate-based herbicide reduces fertility, embryonic upper thermal tolerance and alters embryonic diapause of the threatened annual fish Austrolebias nigrofasciatus. CHEMOSPHERE 2018; 196:260-269. [PMID: 29306198 DOI: 10.1016/j.chemosphere.2017.12.196] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/06/2017] [Revised: 12/29/2017] [Accepted: 12/31/2017] [Indexed: 06/07/2023]
Abstract
Roundup is the most popular glyphosate-based herbicide (GBH) worldwide. These formulations kill a wide range of plants. Despite that, non-target species can be jeopardized by GBH, such as the annual fish Austrolebias nigrofasciatus. This species occurs in wetlands that dries annually. Key-adaptations permit them to live in such harsh habitats, e. i. Elevated fertility, drought-tolerant diapausing embryos and elevated thermal tolerance. We aimed to evaluate acute (96 h) effects of Roundup exposure (0.36 or 3.62 mg a. e./L) in reproduction, diapause pattern and embryonic upper thermal tolerance (EUTT) of A. nigrofasciatus. For such, we evaluated the number and diameter of embryos produced by exposed fish. Also, recently fertilized embryos were exposed and its diapause pattern was evaluated. Following 15 post exposure days (PED), we evaluated the number of somite pairs and following 30, 35 and 40 PED we evaluated the proportion of pigmented embryos (PPE). Finally, the critical thermal maximum (CTMax) of exposed embryos was assessed. Results demonstrated that couples exposed to 0.36 mg a. e./L Roundup produced less but larger embryos. Similarly, embryos exposed to 3.62 mg a. e./L Roundup had a reduced PPE following 30 PED. Finally, embryos exposed to 0.32 mg a. e./L Roundup had a CTMax reduction of 2.6 °C and were more sensitive to minor increases in heating rates. These results indicate that Roundup have negative outcomes in fish reproduction, embryonic development and EUTT. This information is of particular interest to the conservation of annual fish, considering that those are key-adaptations that permit these animals to survive the harsh impositions of ephemeral wetlands.
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Affiliation(s)
- Yuri Dornelles Zebral
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil.
| | - Luize Real Lansini
- Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
| | - Patrícia Gomes Costa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Mauricio Roza
- Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
| | - Adalto Bianchini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, 96203-900, Rio Grande, RS, Brazil
| | - Ricardo Berteaux Robaldo
- Programa de Pós-Graduação em Biologia Animal, Instituto de Biologia, Universidade Federal de Pelotas, 96010-970, Capão do Leão, RS, Brazil
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35
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Gonçalves BB, Nascimento NF, Santos MP, Bertolini RM, Yasui GS, Giaquinto PC. Low concentrations of glyphosate-based herbicide cause complete loss of sperm motility of yellowtail tetra fish Astyanax lacustris. JOURNAL OF FISH BIOLOGY 2018; 92:1218-1224. [PMID: 29488225 DOI: 10.1111/jfb.13571] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Accepted: 01/28/2018] [Indexed: 06/08/2023]
Abstract
Environmental relevant concentrations of glyphosate-based herbicide as 50 µg l-1 , 300 µg l-1 and 1800 µg l-1 can affect sperm quality of yellowtail tetra fish Astyanax lacustris. Viability of sperm cells was impaired at 300 µg l-1 , a concentration that is within legal limits in U.S.A. waterbodies, while motility was impaired at 50 µg l-1 , which is the more stringent limit set in Brazilian law. Therefore, environment protection agencies must review regulations of glyphosate-based herbicides on water bodies.
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Affiliation(s)
- B B Gonçalves
- Physiology Department, Institute of Biosciences, UNESP, Campus de Botucatu, Rua Professor Dr. Antonio Celso Wagner Zanin, S/N°. CEP 18618-689, Brazil
| | - N F Nascimento
- National Center of Research and Conservation of Continental Fishes - CEPTA/ICMBIO, Rodovia SP-201 (Pref. Euberto Nemésio Pereira de Godoy), km 65, Caixa Postal 64 CEP 13630970, Pirassununga, Brazil
| | - M P Santos
- National Center of Research and Conservation of Continental Fishes - CEPTA/ICMBIO, Rodovia SP-201 (Pref. Euberto Nemésio Pereira de Godoy), km 65, Caixa Postal 64 CEP 13630970, Pirassununga, Brazil
| | - R M Bertolini
- National Center of Research and Conservation of Continental Fishes - CEPTA/ICMBIO, Rodovia SP-201 (Pref. Euberto Nemésio Pereira de Godoy), km 65, Caixa Postal 64 CEP 13630970, Pirassununga, Brazil
| | - G S Yasui
- National Center of Research and Conservation of Continental Fishes - CEPTA/ICMBIO, Rodovia SP-201 (Pref. Euberto Nemésio Pereira de Godoy), km 65, Caixa Postal 64 CEP 13630970, Pirassununga, Brazil
| | - P C Giaquinto
- Physiology Department, Institute of Biosciences, UNESP, Campus de Botucatu, Rua Professor Dr. Antonio Celso Wagner Zanin, S/N°. CEP 18618-689, Brazil
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Silveira TLR, Domingues WB, Remião MH, Santos L, Barreto B, Lessa IM, Varela Junior AS, Martins Pires D, Corcini C, Collares T, Seixas FK, Robaldo RB, Campos VF. Evaluation of Reference Genes to Analyze Gene Expression in Silverside Odontesthes humensis Under Different Environmental Conditions. Front Genet 2018; 9:75. [PMID: 29593778 PMCID: PMC5861154 DOI: 10.3389/fgene.2018.00075] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 02/19/2018] [Indexed: 01/12/2023] Open
Abstract
Some mammalian reference genes, which are widely used to normalize the qRT-PCR, could not be used for this purpose due to its high expression variation. The normalization with false reference genes leads to misinterpretation of results. The silversides (Odontesthes spp.) has been used as models for evolutionary, osmoregulatory and environmental pollution studies but, up to now, there are no studies about reference genes in any Odontesthes species. Furthermore, many studies on silversides have used reference genes without previous validations. Thus, present study aimed to was to clone and sequence potential reference genes, thereby identifying the best ones in Odontesthes humensis considering different tissues, ages and conditions. For this purpose, animals belonging to three ages (adults, juveniles, and immature) were exposed to control, Roundup®, and seawater treatments for 24 h. Blood samples were subjected to flow-cytometry and other collected tissues to RNA extraction; cDNA synthesis; molecular cloning; DNA sequencing; and qRT-PCR. The candidate genes tested included 18s, actb, ef1a, eif3g, gapdh, h3a, atp1a, and tuba. Gene expression results were analyzed using five algorithms that ranked the candidate genes. The flow-cytometry data showed that the environmental challenges could trigger a systemic response in the treated fish. Even during this systemic physiological disorder, the consensus analysis of gene expression revealed h3a to be the most stable gene expression when only the treatments were considered. On the other hand, tuba was the least stable gene in the control and gapdh was the least stable in both Roundup® and seawater groups. In conclusion, the consensus analyses of different tissues, ages, and treatments groups revealed that h3a is the most stable gene whereas gapdh and tuba are the least stable genes, even being considered two constitutive genes.
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Affiliation(s)
- Tony L R Silveira
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - William B Domingues
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - Mariana H Remião
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - Lucas Santos
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - Bruna Barreto
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - Ingrid M Lessa
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | | | | | - Carine Corcini
- Veterinary Faculty, Federal University of Pelotas, Pelotas, Brazil
| | - Tiago Collares
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - Fabiana K Seixas
- Laboratory of Cancer Biotechnology, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
| | - Ricardo B Robaldo
- Laboratory of Physiology, Institute of Biology, Federal University of Pelotas, Pelotas, Brazil
| | - Vinicius F Campos
- Laboratory of Structural Genomics, Biotechnology Graduate Program, Federal University of Pelotas, Pelotas, Brazil
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de Brito Rodrigues L, de Oliveira R, Abe FR, Brito LB, Moura DS, Valadares MC, Grisolia CK, de Oliveira DP, de Oliveira GAR. Ecotoxicological assessment of glyphosate-based herbicides: Effects on different organisms. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2017; 36:1755-1763. [PMID: 27517480 DOI: 10.1002/etc.3580] [Citation(s) in RCA: 47] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 04/11/2016] [Accepted: 08/10/2016] [Indexed: 06/06/2023]
Abstract
Glyphosate-based herbicides are the most commonly used worldwide because they are effective and relatively nontoxic to nontarget species. Unlimited and uncontrolled use of such pesticides can have serious consequences for human health and ecological balance. The present study evaluated the acute toxicity and genotoxicity of 2 glyphosate-based formulations, Roundup Original (Roundup) and Glyphosate AKB 480 (AKB), on different organisms: cucumber (Cucumis sativus), lettuce (Lactuca sativa), and tomato (Lycopersicon esculentum) seeds, and microcrustacean Artemia salina and zebrafish (Danio rerio) early life stages. For the germination endpoint, only L. esculentum presented significant sensitivity to AKB and L. sativa to Roundup, whereas both formulations significantly inhibited the root growth of all species tested. Both AKB and Roundup induced significant toxicity to A. salina; both are classified as category 3, which indicates a hazard for the aquatic environment, according to criteria of the Globally Harmonized Classification System. However, Roundup was more toxic than AKB, with 48-h median lethal concentration (LC50) values of 14.19 mg/L and 37.53 mg/L, respectively. For the embryo-larval toxicity test, Roundup proved more toxic than AKB for the mortality endpoint (96-h LC50 values of 10.17 mg/L and 27.13 mg/L, respectively), whereas for the hatching parameter, AKB was more toxic than Roundup. No significant genotoxicity to zebrafish larvae was found. We concluded that AKB and Roundup glyphosate-based formulations are phytotoxic and induce toxic effects in nontarget organisms such as A. salina and zebrafish early life stages. Environ Toxicol Chem 2017;36:1755-1763. © 2016 SETAC.
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Affiliation(s)
| | - Rhaul de Oliveira
- Biological Sciences Institute, University of Brasília, Brasília, Distrito Federal, Brazil
| | - Flávia Renata Abe
- Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
| | - Lara Barroso Brito
- Faculty of Pharmacy, Federal University of Goiás, Goiânia, Goiás, Brazil
| | - Diego Sousa Moura
- Biological Sciences Institute, University of Brasília, Brasília, Distrito Federal, Brazil
| | | | - Cesar Koppe Grisolia
- Biological Sciences Institute, University of Brasília, Brasília, Distrito Federal, Brazil
| | - Danielle Palma de Oliveira
- Faculty of Pharmaceutical Sciences of Ribeirão Preto, University of São Paulo, Ribeirão Preto, São Paulo, Brazil
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38
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Sánchez JAA, Varela AS, Corcini CD, da Silva JC, Primel EG, Caldas S, Klein RD, Martins CDMG. Effects of Roundup formulations on biochemical biomarkers and male sperm quality of the livebearing Jenynsia multidentata. CHEMOSPHERE 2017; 177:200-210. [PMID: 28288428 DOI: 10.1016/j.chemosphere.2017.02.147] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2016] [Revised: 02/22/2017] [Accepted: 02/27/2017] [Indexed: 06/06/2023]
Abstract
Roundup® formulations are the most consumed glyphosate-based herbicides in the world. When applied, they may reach water bodies and exert toxicity toward non-target species. This study evaluated and compared the effects of different variations of Roundup on biochemical biomarkers as oxidative parameters and Acethylchorinesterase (AChE) activity, and sperm quality of the livebearing Jenynsia multidentata. Fish were acutely (96 h) exposed to Roundup Original® (RO), Roundup Transorb® (RT) and Roundup WG® (RWG) at 0.0, 0.5, 1 and 5 mg L-1 of nominal glyphosate. The highest mortality (60%) was observed for fish exposed to RT at the highest concentration tested and at 0.5 mg L-1 non-mortality was observed, so this concentration was chosen for the experiments. Fish exposed to RO and RT (24 and 96 h) presented a state of oxidative imbalance, which caused lipid peroxidation (LPO) in their livers. Oxidative stress was more severe in RO treatment, which may be resulted in the highest hepathosomatic index at 96 h. However, fish exposed to RT presented a marked inhibition of AChE activity from membrane cells of muscle and brain tissues. Sperm quality was investigated in livebearing exposed (24 and 96 h) to the three formulations. Spermatozoa motility and concentration were affected by all formulations. Overall, Roundup formulations are harmful to the fish J. multidentata at 0.5 mg L-1 of glyphosate; however, mechanisms and potential of toxicity are different between formulations. The J. multidentata also represents a sensitive species and a good regional bio-monitor.
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Affiliation(s)
- Jessica Andrea Albañil Sánchez
- Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Antonio Sergio Varela
- Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Carine Dahl Corcini
- Departamento de Patologia Animal, Faculdade de Veterinária, Universidade Federal de Pelotas, Caixa Postal 354, 96001-970, Pelotas, RS, Brazil
| | - Janaina Camacho da Silva
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Ednei Gilberto Primel
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Sergiane Caldas
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Roberta Daniele Klein
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil
| | - Camila De Martinez Gaspar Martins
- Programa de Pós-Graduação em Biologia de Ambientes Aquáticos Continentais, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil; Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av. Itália km 8, 96203-900, Rio Grande, RS, Brazil.
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39
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Vieira CED, Costa PG, Cabrera LC, Primel EG, Fillmann G, Bianchini A, Bueno Dos Reis Martinez C. A comparative approach using biomarkers in feral and caged Neotropical fish: Implications for biomonitoring freshwater ecosystems in agricultural areas. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017; 586:598-609. [PMID: 28215813 DOI: 10.1016/j.scitotenv.2017.02.026] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2016] [Revised: 01/13/2017] [Accepted: 02/03/2017] [Indexed: 06/06/2023]
Abstract
The aim of this study was to investigate the responses of biomarkers in feral and caged fish and the capacity of these biomarkers to discriminate contamination levels along a stream located in an agricultural area in Southern Brazil. Specimens of the Neotropical fish, Astyanax altiparanae, were confined for 168h in three lakes along the stream. Additionally, during the weeks of in situ exposure, wild specimens of this species were collected from the same sites. Biochemical biomarkers were analyzed, such as phase I biotransformation enzyme 7-ethoxyresorufin-O-deethylase (EROD) and phase II biotransformation enzyme glutathione S-transferase, and we also determined hepatic and branchial levels of non-protein thiols (NPSH), oxidative damage such as lipid peroxidation (LPO), and acetylcholinesterase (AChE) activity in muscle and brain. Genetic biomarkers such as DNA breaks (comet assay), frequency of micronuclei (MN) and erythrocytic nuclear abnormalities (ENA) were also examined. The results indicate that the most sensitive biomarkers for discriminating contamination levels are DNA breaks, LPO and AChE activity. Similar results were obtained for both caged and feral fish. The biomarkers that reflect the results of cumulative events, such as ENA, were more discriminative for chronically exposed specimens (feral fishes). Analyzing biomarkers using an integrated response index showed that both approaches (using feral and caged A. altiparanae) were effective for discriminating contamination levels along the stream, corroborating the results of chemical analyses for selected pesticides. Taken together, these results highlight the importance of biomarker selection and show that both approaches (caged and feral fish) are satisfactory for evaluating water quality in streams impacted by agricultural activities.
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Affiliation(s)
- Carlos Eduardo Delfino Vieira
- Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, km 380, Londrina, Paraná 86057-970, Brazil
| | - Patrícia Gomes Costa
- Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul 96203-900, Brazil
| | - Liziara Costa Cabrera
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Av Itália, km 8, s/n, Rio Grande, Rio Grande do Sul 96203-900, Brazil
| | - Ednei Gilberto Primel
- Escola de Química e Alimentos, Universidade Federal do Rio Grande, Av Itália, km 8, s/n, Rio Grande, Rio Grande do Sul 96203-900, Brazil
| | - Gilberto Fillmann
- Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande, Rio Grande do Sul 96203-900, Brazil
| | - Adalto Bianchini
- Instituto de Ciências Biológicas, Universidade Federal do Rio Grande, Av Itália, km8, s/n, Rio Grande, Rio Grande do Sul 96203-900, Brazil
| | - Claudia Bueno Dos Reis Martinez
- Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Rod. Celso Garcia Cid, km 380, Londrina, Paraná 86057-970, Brazil.
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40
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Lopes FM, Caldas SS, Primel EG, da Rosa CE. Glyphosate Adversely Affects Danio rerio Males: Acetylcholinesterase Modulation and Oxidative Stress. Zebrafish 2017; 14:97-105. [PMID: 27906609 DOI: 10.1089/zeb.2016.1341] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
It has been demonstrated that glyphosate-based herbicides are toxic to animals. In the present study, reactive oxygen species (ROS) generation, antioxidant capacity against peroxyl radicals (ACAP), and lipid peroxidation (LPO), as well as the activity and expression of the acetylcholinesterase (AChE) enzyme, were evaluated in Danio rerio males exposed to 5 or 10 mg/L of glyphosate for 24 and 96 h. An increase in ACAP in gills after 24 h was observed in the animals exposed to 5 mg/L of glyphosate. A decrease in LPO was observed in brain tissue of animals exposed to 10 mg/L after 24 h, while an increase was observed in muscle after 96 h. No significant alterations were observed in ROS generation. AChE activity was not altered in muscles or brains of animals exposed to either glyphosate concentration for 24 or 96 h. However, gene expression of this enzyme in the brain was reduced after 24 h and was enhanced in both brain and muscle tissues after 96 h. Thus, contrary to previous findings that had attributed the imbalance in the oxidative state of animals exposed to glyphosate-based herbicides to surfactants and other inert compounds, the present study demonstrated that glyphosate per se promotes this same effect in zebrafish males. Although glyphosate concentrations did not alter AChE activity, this study demonstrated for the first time that this molecule affects ache expression in male zebrafish D. rerio.
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Affiliation(s)
- Fernanda Moreira Lopes
- 1 Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande-FURG , Rio Grande, Brazil
| | - Sergiane Souza Caldas
- 2 Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG , Rio Grande, Brazil
| | - Ednei Gilberto Primel
- 2 Escola de Química e Alimentos, Universidade Federal do Rio Grande-FURG , Rio Grande, Brazil
| | - Carlos Eduardo da Rosa
- 1 Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande-FURG , Rio Grande, Brazil
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41
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Borges JN, Costa VS, Mantovani C, Barros E, Santos EGN, Mafra CL, Santos CP. Molecular characterization and confocal laser scanning microscopic study of Pygidiopsis macrostomum (Trematoda: Heterophyidae) parasites of guppies Poecilia vivipara. JOURNAL OF FISH DISEASES 2017; 40:191-203. [PMID: 27260384 DOI: 10.1111/jfd.12504] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 04/13/2016] [Accepted: 04/15/2016] [Indexed: 06/05/2023]
Abstract
Pygidiopsis macrostomum and Ascocotyle (Phagicola) pindoramensis (Digenea: Heterophyidae) parasitize guppies as intermediate hosts and, respectively, fish-eating mammals or birds as definitive hosts. Heterophyids have zoonotic potential, and molecular studies associated with morphological and ecological aspects have helped to clarify their taxonomy and phylogeny. Poecilia vivipara naturally parasitized by metacercariae of both species (100% prevalence) exhibit no external signs of parasitism. In this work, four new sequences of P. macrostomum (18S rDNA, 28S rDNA and ITS2 rDNA) and one new sequence of A. (P.) pindoramensis (mtDNA cox-1) are presented. Phylogeny reconstructions linked P. macrostomum to other heterophyids, but the separation of the Heterophyidae and Opisthorchiidae remains unclear. Additionally, we used indirect immunocytochemistry and the phalloidin-fluorescence techniques allied with confocal laser scanning microscopy to describe muscular and neuronal structures of P. macrostomum. A complex arrangement of muscular fibres is associated with the tegument, suckers, gut and reproductive system. Radial fibres around the ventral sucker are thick, branched and extend to the body wall. High-resolution confocal imaging revealed a typical digenean muscular arrangement and important heterophyid morphological traits. These data will support future control measures to reduce the parasitism in guppies reared in fish farming systems, especially for aquarium and experimental purposes.
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Affiliation(s)
- J N Borges
- Laboratório de Avaliação e Promoção da Saúde Ambiental (LAPSA), Fiocruz, Rio de Janeiro, Brazil
| | - V S Costa
- Laboratório de Avaliação e Promoção da Saúde Ambiental (LAPSA), Fiocruz, Rio de Janeiro, Brazil
| | - C Mantovani
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | - E Barros
- Núcleo de Análises de Biomoléculas do Centro de Ciências Biológicas e da Saúde, Universidade Federal de Viçosa, Viçosa, Brazil
| | - E G N Santos
- Laboratório de Avaliação e Promoção da Saúde Ambiental (LAPSA), Fiocruz, Rio de Janeiro, Brazil
| | - C L Mafra
- Departamento de Bioquímica e Biologia Molecular, Universidade Federal de Viçosa, Viçosa, Brazil
| | - C P Santos
- Laboratório de Avaliação e Promoção da Saúde Ambiental (LAPSA), Fiocruz, Rio de Janeiro, Brazil
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42
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Velasques RR, Sandrini JZ, da Rosa CE. Roundup(®) in Zebrafish: Effects on Oxidative Status and Gene Expression. Zebrafish 2016; 13:432-41. [PMID: 27315435 DOI: 10.1089/zeb.2016.1259] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023] Open
Abstract
The objective of the present study was to determine the effects of Roundup on oxidative status in adult Danio rerio liver and gills. Reactive oxygen species (ROS) and antioxidant capacity (ACAP) were measured in fish after exposure to Roundup (5 and 10 mg/L) for 24, 48, 72, and 96 h. Furthermore, gene expression related to antioxidant response was evaluated after 24 and 96 h. In gills, an increase in ACAP was observed after 96 h in the highest concentration. In the liver, a reduction in ROS and ACAP was observed after 24 h, whereas an increase in ACAP was observed after 48 h in the highest concentration. Exposure to the lowest concentration caused a reduction in ROS after 72 and 96 h. Regarding gene expression, a reduction in superoxide dismutase 2 (sod2) and glutathione S-transferase (gstπ) was observed. An increase in uncoupling protein 1 (ucp1) expression was observed in gills of animals exposed to the highest concentration after 24 h. Glutathione peroxidase (gpx) gene expression was reduced in the gills of animals exposed to the lowest concentration; however, it was induced in liver tissue after 96 h of exposure to the highest concentration. These results indicate that zebrafish exposure to Roundup alters oxidative status and causes a response in terms of antioxidant defense system gene expression.
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Affiliation(s)
- Robson Rabelo Velasques
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG , Rio Grande, Brazil
| | - Juliana Zomer Sandrini
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG , Rio Grande, Brazil
| | - Carlos Eduardo da Rosa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG , Rio Grande, Brazil
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43
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Acosta IB, Junior ASV, E Silva EF, Cardoso TF, Caldas JS, Jardim RD, Corcini CD. Effects of exposure to cadmium in sperm cells of zebrafish, Danio rerio. Toxicol Rep 2016; 3:696-700. [PMID: 28959594 PMCID: PMC5616012 DOI: 10.1016/j.toxrep.2016.08.002] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 08/05/2016] [Accepted: 08/09/2016] [Indexed: 12/12/2022] Open
Abstract
Cadmium is a natural element found in the earth’s crust; it is usually associated with other metals, but due to the impacts caused by human activity, its concentration has increased in the aquatic environment. This metal may damage aquatic animal reproduction, decreasing the rate of fertilization of organisms such as fish. Thus, this study aimed to evaluate the in vitro toxicity of different concentrations of cadmium (0 (control), 0.5, 5, and 10 μg/L) using sperm cells of model organism zebrafish, Danio rerio. Structural parameters, including integrity and fluidity of the plasma membrane, concentration of oxygen species, mitochondrial function and DNA fragmentation were measured by flow cytometry. The following sperm movement parameters were also measured using the computer assisted sperm analysis (CASA) system: motility, time of motility, curvilinear velocity, average path velocity and straight line velocity in μm/s. Significant effects were observed on path speed, straight speed, curvilinear velocity, motility time, progressive and total motility, and plasma and DNA integrity. The results showed that cadmium can negatively affect some reproductive parameters in D. rerio, which may reduce the fertility rate of these animals.
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Affiliation(s)
- Izani Bonel Acosta
- Institute of Biological Sciences, Federal University of Rio Grande, Av. Italy 8 km, 96203-900 Rio Grande, RS, Brazil.,Post-Graduate Program in Physiological Sciences-Comparative Animal Physiology, Av 8 km Italy, 96203-900 Rio Grande, RS, Brazil
| | - Antonio Sergio Varela Junior
- Institute of Biological Sciences, Federal University of Rio Grande, Av. Italy 8 km, 96203-900 Rio Grande, RS, Brazil.,Post-Graduate Program in Aquatic Environments Continental Biology, Federal University of Rio Grande, Av. Italy 8.96203 to 900 km Rio Grande, RS, Brazil
| | - Estela Fernandes E Silva
- Institute of Biological Sciences, Federal University of Rio Grande, Av. Italy 8 km, 96203-900 Rio Grande, RS, Brazil.,Post-Graduate Program in Physiological Sciences-Comparative Animal Physiology, Av 8 km Italy, 96203-900 Rio Grande, RS, Brazil
| | - Tainã Figueiredo Cardoso
- Institute of Biological Sciences, Federal University of Rio Grande, Av. Italy 8 km, 96203-900 Rio Grande, RS, Brazil.,Post-Graduate Program in Physiological Sciences-Comparative Animal Physiology, Av 8 km Italy, 96203-900 Rio Grande, RS, Brazil
| | - Jôsie Schwartz Caldas
- Post-Graduate Program in Aquatic Environments Continental Biology, Federal University of Rio Grande, Av. Italy 8.96203 to 900 km Rio Grande, RS, Brazil
| | - Rodrigo Desessards Jardim
- Institute of Biological Sciences, Federal University of Rio Grande, Av. Italy 8 km, 96203-900 Rio Grande, RS, Brazil.,Post-Graduate Program in Physiological Sciences-Comparative Animal Physiology, Av 8 km Italy, 96203-900 Rio Grande, RS, Brazil
| | - Carine Dahl Corcini
- Post-Graduate Program in Physiological Sciences-Comparative Animal Physiology, Av 8 km Italy, 96203-900 Rio Grande, RS, Brazil.,Faculty of Veterinary Medicine, Federal University of Pelotas, University Campus, PO Box 354, 96001-970 Pelotas, Brazil
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44
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Escarrone ALV, Caldas SS, Primel EG, Martins SE, Nery LEM. Uptake, tissue distribution and depuration of triclosan in the guppy Poecilia vivipara acclimated to freshwater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 560-561:218-24. [PMID: 27101458 DOI: 10.1016/j.scitotenv.2016.04.039] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2016] [Revised: 04/06/2016] [Accepted: 04/07/2016] [Indexed: 05/23/2023]
Abstract
The agent triclosan has been extensively used in different personal care products as a broad-spectrum antimicrobial and preservative agent. Due to its continuous release into the environment, including discharge via wastewater treatment plants, triclosan has been widely detected in aquatic environments. There is growing interest in improving the knowledge about the environmental fate of triclosan due to its possible bioaccumulation and the toxicity it may pose to organisms, such as fish and other non-target species. To investigate the distribution and bioconcentration of triclosan in fish, Poecilia vivipara was exposed to 0.2mgL(-1). Contents of triclosan in whole fish, brain, gonads, liver, muscle and gills were quantified by LC-MS/MS. When lipid normalised concentration was used, the liver exhibited the highest concentration followed by the gills, gonads, brain and muscle tissues. Bioconcentration was increased with time reaching a steady-state around 7-14days for most all tissues. After 24h depuration, triclosan concentrations declined >80% in all tissues except liver, in which triclosan takes longer to be depurated. These results not only clearly indicate that triclosan accumulated in P. vivipara, with tissue-specific bioconcentration factors (BCF) that ranged from 40.2 to 1025.4, but also show that the elimination of triclosan after transferring the fish to triclosan-free freshwater is rapid in all tissues.
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Affiliation(s)
- Ana Laura Venquiaruti Escarrone
- Instituto de Ciências Biológicas, Programa de Pós-graduação em Fisiologia Animal Comparada, Universidade Federal do Rio Grande, Av Itália, km8, s/n, Rio Grande, Rio Grande do Sul State 96203-900, Brazil
| | - Sergiane Souza Caldas
- Laboratório de Análises de Compostos Orgânicos e Metais, Escola de Química e Alimentos, Programa de Pós-graduação em Química Tecnológica e Ambiental, Universidade Federal do Rio Grande, Av Itália, km8, s/n, Rio Grande, Rio Grande do Sul State 96203-900, Brazil
| | - Ednei Gilberto Primel
- Laboratório de Análises de Compostos Orgânicos e Metais, Escola de Química e Alimentos, Programa de Pós-graduação em Química Tecnológica e Ambiental, Universidade Federal do Rio Grande, Av Itália, km8, s/n, Rio Grande, Rio Grande do Sul State 96203-900, Brazil
| | - Samantha Eslava Martins
- Instituto de Ciências Biológicas, Programa de Pós-graduação em Fisiologia Animal Comparada, Universidade Federal do Rio Grande, Av Itália, km8, s/n, Rio Grande, Rio Grande do Sul State 96203-900, Brazil
| | - Luiz Eduardo Maia Nery
- Instituto de Ciências Biológicas, Programa de Pós-graduação em Fisiologia Animal Comparada, Universidade Federal do Rio Grande, Av Itália, km8, s/n, Rio Grande, Rio Grande do Sul State 96203-900, Brazil.
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de Aguiar LM, Figueira FH, Gottschalk MS, da Rosa CE. Glyphosate-based herbicide exposure causes antioxidant defence responses in the fruit fly Drosophila melanogaster. Comp Biochem Physiol C Toxicol Pharmacol 2016; 185-186:94-101. [PMID: 26980113 DOI: 10.1016/j.cbpc.2016.03.006] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2016] [Revised: 03/10/2016] [Accepted: 03/10/2016] [Indexed: 11/29/2022]
Abstract
Glyphosate is a non-selective and post-emergent herbicide that affects plant growth. Animal exposure to this herbicide can lead to adverse effects, such as endocrine disruption, oxidative stress and behavioural disorders. Drosophilids have been utilized previously as an effective tool in toxicological tests. In the present study, the effects of a glyphosate-based herbicide (Roundup [Original]) were investigated regarding oxidative stress, the antioxidant defence system and acetylcholinesterase (AChE) activity in Drosophila melanogaster. Flies (of both genders) that were 1 to 3days old were exposed to different glyphosate concentrations (0.0g/L=control, 1.0g/L, 2.0g/L, 5.0g/L and 10.0g/L) [corrected] in the diet for 24h and 96h. After the exposure periods, reactive oxygen species (ROS) levels, antioxidant capacity against peroxyl radicals (ACAP) and lipid peroxidation (LPO) levels were quantified. In addition, the mRNA expression of antioxidant genes (i.e., keap1, sod, sod2, cat, irc, gclc, gclm, gss, trxt, trxr-1 and trxr-2) was evaluated via RT-PCR. Additionally, AChE activity was evaluated only after the 96h exposure period. The results indicated that Roundup exposure leads to a reduction in ROS levels in flies exposed for 96h. ACAP levels and gene expression of the antioxidant defence system exhibited an increase from 24h, while LPO did not show any significant alterations in both exposure periods. AChE activity was not affected following Roundup exposure. Our data suggest that Roundup exposure causes an early activation of the antioxidant defence system in D. melanogaster, and this can prevent subsequent damage caused by ROS.
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Affiliation(s)
- Lais Mattos de Aguiar
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG. Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil
| | - Fernanda Hernandes Figueira
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG. Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil
| | - Marco Silva Gottschalk
- Departamento de Ecologia, Zoologia e Genética (DEZG), Instituto de Biologia (IB), Universidade Federal de Pelotas (UFPel), Caixa Postal 354, CEP 96010-900, Pelotas, Rio Grande do Sul, Brazil
| | - Carlos Eduardo da Rosa
- Programa de Pós-Graduação em Ciências Fisiológicas - Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG. Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
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da Silva JC, Varela Junior AS, Caldas JS, Freitas CDS, Botelho JG, Colares EP, Corcini CD. The effects of osmolality on sperm quality in Jenynsia multidentata (Cyprinodontiformes: Anablepidae). FISH PHYSIOLOGY AND BIOCHEMISTRY 2016; 42:93-102. [PMID: 26342693 DOI: 10.1007/s10695-015-0120-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2015] [Accepted: 08/21/2015] [Indexed: 06/05/2023]
Abstract
Sperm quality tests on fish are classically used for evaluating cryopreservation procedures, and they are also promising to assess aquatic toxicity and biomarkers of xenobiotic effects on reproduction. Osmotic shock from the storage medium is one of the main factors affecting sperm quality during evaluation. Thus, the objective of this study was to evaluate the effects of different osmolalities (240-460 mOsm/kg) for at least 4 days on the sperm quality parameters of the viviparous fish Jenynsia multidentata. The level of significance was (P < 0.05). The plasma osmolality of J. multidentata is 326 ± 3.9 mOsm/kg. The motility of fresh semen was higher in osmolalities of 280 and 300 mOsm/kg but did not differ between osmolalities from 240 to 320 mOsm/kg. Above 380 mOsm/kg, the motility observed was 0%. Over the time period studied motility increased with increasing osmolality, and the most constant and long-lasting rates were between 300 and 320 mOsm/kg. On the 4th day of evaluation, higher membrane integrity rates were observed between 280 and 360 mOsm/kg, higher mitochondrial membrane potential was observed between 300 and 460 mOsm/kg, and higher DNA integrity rates were observed between 260 and 380 mOsm/kg. Moreover, osmolalities ≥460 and ≤240 resulted in the lowest motility and DNA integrity levels. Over 4 days, the plasma membrane integrity was significantly lower at ≤260 and ≥400 mOsm/kg, and the mitochondrial membrane potential was significantly lower only in osmolalities ≤240 mOsm/kg. Therefore, we conclude that for sperm quality preservation in J. multidentata, an osmolality of 300-320 mOsm/kg of the most suitable diluent is necessary. Furthermore, we conclude that the storage of sperm in a hyposmotic (<260 mOsm/kg) or hyperosmotic (>400 mOsm/kg) solution affects not only motility but also other sperm quality parameters.
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Affiliation(s)
- Janaína Camacho da Silva
- Post-graduate in Physiological Sciences: Comparative Animal Physiology, Institute of Biological Sciences, Federal University of Rio Grande, Av. 8 km Italy, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil
| | - Antonio Sergio Varela Junior
- Post-graduate in Physiological Sciences: Comparative Animal Physiology, Institute of Biological Sciences, Federal University of Rio Grande, Av. 8 km Italy, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil
| | - Jôsie Shwartz Caldas
- Post-graduate in Aquatic Environments Continental Biology, Federal University of Rio Grande, Av. Italy 8 km, Rio Grande, RS, 96203-900, Brazil
| | - Clarissa da Silva Freitas
- Post-graduate in Physiological Sciences: Comparative Animal Physiology, Institute of Biological Sciences, Federal University of Rio Grande, Av. 8 km Italy, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil
| | - Joziel Gonçalves Botelho
- Post-graduate in Physiological Sciences: Comparative Animal Physiology, Institute of Biological Sciences, Federal University of Rio Grande, Av. 8 km Italy, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil
| | - Elton Pinto Colares
- Post-graduate in Physiological Sciences: Comparative Animal Physiology, Institute of Biological Sciences, Federal University of Rio Grande, Av. 8 km Italy, Campus Carreiros, Rio Grande, RS, 96203-900, Brazil
| | - Carine Dahl Corcini
- Department of Animal Pathology, Faculty of Veterinary Medicine, Federal University of Pelotas, University Campus, PO Box 354, Pelotas, 96001-970, Brazil.
- Pós-Graduação em Ciências Fisiológicas: Fisiologia Animal Comparada, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande (FURG), Av. Itália km 8, Campus Carreiros, Rio Grande, RS, 96201-900, Brazil.
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Vieira CED, Costa PG, Lunardelli B, de Oliveira LF, Cabrera LDC, Risso WE, Primel EG, Meletti PC, Fillmann G, Martinez CBDR. Multiple biomarker responses in Prochilodus lineatus subjected to short-term in situ exposure to streams from agricultural areas in Southern Brazil. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 542:44-56. [PMID: 26519566 DOI: 10.1016/j.scitotenv.2015.10.071] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2015] [Revised: 10/01/2015] [Accepted: 10/14/2015] [Indexed: 06/05/2023]
Abstract
In order to assess the quality of streams susceptible to contamination by pesticides we apply biochemical and genotoxic biomarkers in the Neotropical fish Prochilodus lineatus submitted to in situ tests. Fish were caged, for 96 h, in two streams located in areas with intensive use of pesticides, the Apertados (AP) and the Jacutinga (JC), and in a small stream (Godoy stream — GD) found inside a forest fragment adjacent to a State Park. Biochemical parameters, such as biotransformation enzymes 7-ethoxyresorufin-O-deethylase (EROD) and glutathione-S-transferase (GST), non-protein thiols (NPSH), lipoperoxidation (LPO), protein carbonylation (PCO) and acetylcholinesterase (AChE) were evaluated in various fish organs, as well as genotoxic biomarkers (damage to DNA and occurrence of micronuclei and erythrocyte nuclear abnormalities). Samples of water and sediment were collected for analysis of metals (Cu, Cr, Pb, Ni, Mn, Cd and Zn), organochloride pesticides, and triazine and glyphosate herbicides. We observed an increase in liver GST activity in fish at AP and gill GST activity in fish at JC. An increase in liver LPO was also observed in fish exposed to AP and JC. The same animals also exhibited increased DNA damage and erythrocyte nuclear abnormalities (ENAs) compared to the fish kept in GD. A number of compounds showed concentrations higher than the permitted levels, in particular, dichlorodiphenyltrichloroethane (DDT), its metabolites dichlorodiphenyldichloroethylene (DDE) and dichlorodiphenyldichloroethane (DDD), hexachlorocyclohexanes (HCH), heptachloride, diclofluanid and aldrins. These pesticides were detected at higher concentrations in water and sediment samples from AP, followed by JC and GD. The Integrated Biomarker Response Index (IBR) indicated that AP and JC (AP: 21.7 > JC: 18.5 > GD: 12.6) have the worst environmental quality. Integrated biomarker analysis revealed that the alterations observed related well with the levels of environmental contaminants, demonstrating the effectiveness of this biomonitoring approach.
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Affiliation(s)
- Carlos Eduardo Delfino Vieira
- Laboratório de Ecofisiologia Animal - Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Paraná, Brazil
| | - Patrícia Gomes Costa
- Laboratório de Microcontaminantes Orgânicos e Ecotoxicologia - Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande do Sul, Brazil
| | - Bruna Lunardelli
- Laboratório de Ecofisiologia Animal - Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Paraná, Brazil
| | - Luciana Fernandes de Oliveira
- Laboratório de Ecofisiologia Animal - Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Paraná, Brazil
| | - Liziara da Costa Cabrera
- Laboratório de Análise de Compostos Orgânicos e Metais - Escola de Química e Alimentos, Universidade Federal do Rio Grande, Rio Grande do Sul, Brazil
| | - Wagner Ezequiel Risso
- Laboratório de Ecofisiologia Animal - Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Paraná, Brazil
| | - Ednei Gilberto Primel
- Laboratório de Análise de Compostos Orgânicos e Metais - Escola de Química e Alimentos, Universidade Federal do Rio Grande, Rio Grande do Sul, Brazil
| | - Paulo César Meletti
- Laboratório de Ecofisiologia Animal - Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Paraná, Brazil
| | - Gilberto Fillmann
- Laboratório de Microcontaminantes Orgânicos e Ecotoxicologia - Instituto de Oceanografia, Universidade Federal do Rio Grande, Rio Grande do Sul, Brazil
| | - Claudia Bueno dos Reis Martinez
- Laboratório de Ecofisiologia Animal - Departamento de Ciências Fisiológicas, Universidade Estadual de Londrina, Paraná, Brazil.
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Karami A, Courtenay SC. Glutathione S-transferase activities in African catfish injected with β-naphthoflavone: effects of ploidy, gender, dose, and sampling time. ENVIRONMENTAL MONITORING AND ASSESSMENT 2015; 187:681. [PMID: 26452505 DOI: 10.1007/s10661-015-4906-7] [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: 07/29/2015] [Accepted: 09/30/2015] [Indexed: 06/05/2023]
Abstract
Glutathione S-transferases (GST) are considered among the most controversial biomarkers of water pollutants in fish with little known about factors influencing their activities. The objective of this study was to investigate how gender, dose, ploidy, and sampling time alter hepatic GST activities in African catfish (Clarias gariepinus) following β-naphthoflavone (β-NF) injection. Newly matured male and female diploid and triploid fish were intraperitoneally (i.p.) injected with 0, 15, or 75 mg/kg of β-NF, and livers were excised 24, 48, and 72 h post-injection. Results showed that hepatic GST activities were significantly inhibited by both doses of β-NF. Inhibition was greater in females than males, but no significant differences were observed between diploid and triploid fish. Enzymatic activities differed over time with lowest levels 72 h post-injection. These results extend our understanding of GST activity in fish and highlight the necessity of considering confounding factors when comparing different studies.
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Affiliation(s)
- A Karami
- Laboratory of Aquatic Toxicology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia.
| | - S C Courtenay
- Department of Environment and Resource Studies, Canadian Water Network, Canadian Rivers Institute, University of Waterloo, Waterloo, ON, Canada
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49
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Braz-Mota S, Sadauskas-Henrique H, Duarte RM, Val AL, Almeida-Val VMF. Roundup® exposure promotes gills and liver impairments, DNA damage and inhibition of brain cholinergic activity in the Amazon teleost fish Colossoma macropomum. CHEMOSPHERE 2015; 135:53-60. [PMID: 25898390 DOI: 10.1016/j.chemosphere.2015.03.042] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2015] [Revised: 03/16/2015] [Accepted: 03/17/2015] [Indexed: 06/04/2023]
Abstract
Roundup Original® (RD) is a glyphosate-based herbicide used to control weeds in agriculture. Contamination of Amazon waters has increased as a consequence of anthropogenic pressure, including the use of herbicides as RD. The central goal of this study was to evaluate the toxic effects of RD on juveniles of tambaqui (Colossoma macropomum). Our findings show that biomarkers in tambaqui are organ specific and dependent on RD concentration. Alterations in gills structural and respiratory epithelium were followed by changes in hematological parameters such as concentration of hemoglobin, particularly in fish exposed to the higher concentration tested (75% of RD LC50 96 h). In addition, both RD concentrations affected the biotransformation process in gills of tambaqui negatively. Instead, liver responses suggest that a production of reactive oxygen species (ROS) occurred in fish exposed to RD, particularly in the animals exposed to 75% RD, as seen by imbalances in biotransformation and antioxidant systems. The increased DNA damage observed in red blood cells of tambaqui exposed to RD is in agreement with this hypothesis. Finally, both tested sub-lethal concentrations of RD markedly inhibited the cholinesterase activity in fish brain. Thus, we can suggest that RD is potentially toxic to tambaqui and possibly to other tropical fish species.
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Affiliation(s)
- Susana Braz-Mota
- Brazilian National Institute for Research in the Amazon, Laboratory of Ecophysiology and Molecular Evolution, Ave André Araújo, 2936 Aleixo, 69083-000 Manaus, AM, Brazil.
| | - Helen Sadauskas-Henrique
- Brazilian National Institute for Research in the Amazon, Laboratory of Ecophysiology and Molecular Evolution, Ave André Araújo, 2936 Aleixo, 69083-000 Manaus, AM, Brazil
| | - Rafael M Duarte
- Brazilian National Institute for Research in the Amazon, Laboratory of Ecophysiology and Molecular Evolution, Ave André Araújo, 2936 Aleixo, 69083-000 Manaus, AM, Brazil
| | - Adalberto L Val
- Brazilian National Institute for Research in the Amazon, Laboratory of Ecophysiology and Molecular Evolution, Ave André Araújo, 2936 Aleixo, 69083-000 Manaus, AM, Brazil
| | - Vera M F Almeida-Val
- Brazilian National Institute for Research in the Amazon, Laboratory of Ecophysiology and Molecular Evolution, Ave André Araújo, 2936 Aleixo, 69083-000 Manaus, AM, Brazil; Aquaculture Graduate Program, University of Nilton Lins/INPA, Av. Nilton Lins, Manaus, AM, Brazil
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50
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Guzmán-Guillén R, Manzano IL, Moreno IM, Ortega AIP, Moyano R, Blanco A, Cameán AM. Cylindrospermopsin induces neurotoxicity in tilapia fish (Oreochromis niloticus) exposed to Aphanizomenon ovalisporum. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 161:17-24. [PMID: 25661706 DOI: 10.1016/j.aquatox.2015.01.024] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2014] [Revised: 01/23/2015] [Accepted: 01/27/2015] [Indexed: 06/04/2023]
Abstract
Cylindrospermopsin (CYN) is a cytotoxic cyanotoxin produced by several species of freshwater cyanobacteria, such as Aphanizomenon ovalisporum. CYN is a tricyclic alkaloid known for its ability to inhibit both protein and glutathione synthesis, and the alteration of different oxidative stress biomarkers in mammals and vertebrates. Although the liver and kidney appear to be the main CYN targets for this toxin, it also affects other organs. In fish, there is no evidence about the neurotoxicity of CYN yet. In the present study, we aimed to study the potential neurotoxicity of CYN, based on the measure of Acetylcholinesterase (AChE) activity, lipid peroxidation (LPO) levels and histopathological studies in brain of tilapia (Oreochromis niloticus) subchronically exposed to repeated concentrations of 10μg CYN/L by immersion in an A.ovalisporum culture for 14 days. The results showed significant inhibition of AChE activity and increases in LPO levels, as well as relevant histopathological alterations in the brain of fish (O. niloticus) subchronically exposed to the toxin. Moreover, we also investigated the potential recovery of these parameters by subjecting the fish to two depuration periods (3 and 7 days) in clean uncontaminated water, showing a recovery of the biochemical parameters since 3 days of depuration, and being necessary 7 days to recover the histopathological changes. In order to support these results, CYN was detected and quantified by enzyme-linked immunosorbent assay (ELISA) in brain of all the exposed fish and the effects of the depuration periods were also observed. Based on these results, it was demonstrated for the first time the neurotoxicity of CYN and its presence in brain of tilapia fish subchronically exposed to CYN.
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Affiliation(s)
- Remedios Guzmán-Guillén
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/Profesor García González 2, 41012 Sevilla, Spain.
| | - Inmaculada Lomares Manzano
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/Profesor García González 2, 41012 Sevilla, Spain
| | - Isabel M Moreno
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/Profesor García González 2, 41012 Sevilla, Spain
| | - Ana I Prieto Ortega
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/Profesor García González 2, 41012 Sevilla, Spain
| | - Rosario Moyano
- Department of Pharmacology, Toxicology and Legal and Forensic Medicine, University of Córdoba, Campus de Rabanales Carretera Madrid-Cádiz s/n, 14071 Córdoba, Spain
| | - Alfonso Blanco
- Department of Anatomy and Comparative Pathology and Anatomy, University of Córdoba. Campus de Rabanales Carretera Madrid- Cádiz s/n, 14071 Córdoba, Spain
| | - Ana M Cameán
- Area of Toxicology, Faculty of Pharmacy, University of Sevilla, C/Profesor García González 2, 41012 Sevilla, Spain
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