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Souza VVD, Moreira DP, Braz-Mota S, Valente W, Cotta GC, Rodrigues MDS, Nóbrega RH, Corrêa RDS, Hoyos DCDM, Sanches EA, Val AL, Lacerda SMDSN. Simulated climate change and atrazine contamination can synergistically impair zebrafish testicular function. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174173. [PMID: 38925398 DOI: 10.1016/j.scitotenv.2024.174173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 05/25/2024] [Accepted: 06/19/2024] [Indexed: 06/28/2024]
Abstract
Elements that interfere with reproductive processes can have profound impacts on population and the equilibrium of ecosystems. Global warming represents the major environmental challenge of the 21st century, as it will affect all forms of life in the coming decades. Another coexisting concern is the persistent pollution by pesticides, particularly the herbicide Atrazine (ATZ), which is responsible for a significant number of contamination incidents in surface waters worldwide. While it is hypothesized that climate changes will significantly enhance the toxic effects of pesticides, the actual impact of these phenomena remain largely unexplored. Here, we conducted a climate-controlled room experiment to assess the interactive effects of the projected 2100 climate scenario and environmentally realistic ATZ exposures on the reproductive function of male zebrafish. The gonadosomatic index significantly decreased in fish kept in the extreme scenario. Cellular alterations across spermatogenesis phases led to synergic decreased sperm production and increased germ cell sloughing and death. ATZ exposure alone or combined with climate change effects, disrupted the transcription levels of key genes involved in steroidogenesis, hormone signaling and spermatogenesis regulation. An additive modulation with decreased 11-KT production and increased E2 levels was also evidenced, intensifying the effects of androgen/estrogen imbalance. Moreover, climate change and ATZ independently induced oxidative stress, upregulation of proapoptotic gene and DNA damage in post-meiotic germ cell, but the negative effects of ATZ were greater at extreme scenario. Ultimately, exposure to simulated climate changes severely impaired fertilization capacity, due to a drastic reduction in sperm motility and/or viability. These findings indicate that the future climate conditions have the potential to considerably enhance the toxicity of ATZ at low concentrations, leading to significant deleterious consequences for fish reproductive function and fertility. These may provide relevant information to supporting healthcare and environmental managers in decision-making related to climate changes and herbicide regulation.
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Affiliation(s)
- Victor Ventura de Souza
- Laboratory of Cellular Biology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Davidson Peruci Moreira
- Laboratory of Ichthiohistology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Susana Braz-Mota
- Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Research in the Amazon, Manaus, Amazonas, Brazil
| | - Wanderson Valente
- Laboratory of Cellular Biology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Gustavo Caldeira Cotta
- Laboratory of Cellular Biology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | - Maira da Silva Rodrigues
- Reproductive and Molecular Biology Group, Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Rafael Henrique Nóbrega
- Reproductive and Molecular Biology Group, Department of Structural and Functional Biology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Rebeca Dias Serafim Corrêa
- Laboratory of Cellular Biology, Department of Morphology, Federal University of Minas Gerais, Belo Horizonte, Brazil
| | | | - Eduardo Antônio Sanches
- Faculty of Agricultural Sciences of Vale do Ribeira, São Paulo State University (UNESP), Brazil
| | - Adalberto Luís Val
- Laboratory of Ecophysiology and Molecular Evolution, Brazilian National Institute for Research in the Amazon, Manaus, Amazonas, Brazil
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Zhao H, Qian H, Cui J, Ge Z, Shi J, Huo Y, Zhang Y, Ye L. Endocrine toxicity of atrazine and its underlying mechanisms. Toxicology 2024; 505:153846. [PMID: 38815618 DOI: 10.1016/j.tox.2024.153846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 05/20/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Atrazine (ATR) is one of the most widely utilized herbicides globally and is prevalent in the environment due to its extensive use and long half-life. It can infiltrate the human body through drinking water, ingestion, and dermal contact, and has been recognized as an environmental endocrine disruptor. This study aims to comprehensively outline the detrimental impacts of ATR on the endocrine system. Previous research indicates that ATR is harmful to various bodily systems, including the reproductive system, nervous system, adrenal glands, and thyroi d gland. The toxic effects of ATR on the endocrine system and its underlying molecular mechanisms are summarized as follows: influencing the expression of kisspeptin in the HPG axis, consequently affecting steroid synthesis; disrupting DNA synthesis and meiosis, as well as modifying DNA methylation levels, leading to reproductive and developmental toxicity; impacting dopamine by altering Nurr1, VMAT2, and DAT expression, consequently affecting dopamine synthesis and transporter expression, and influencing other neurotransmitters, resulting in neurotoxicity; and changing adipose tissue synthesis and metabolism by reducing basal metabolism, impairing cellular oxidative phosphorylation, and inducing insulin resistance. Additionally, a compilation of natural products used to mitigate the toxic effects of ATR has been provided, encompassing melatonin, curcumin, quercetin, lycopene, flavonoids, vitamin C, vitamin E, and other natural remedies. It is important to note that existing research predominantly relies on in vitro and ex vivo experiments, with limited population-based empirical evidence available.
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Affiliation(s)
- Haotang Zhao
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China
| | - Honghao Qian
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China
| | - Jianwei Cui
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China
| | - Zhili Ge
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China
| | - Jingjing Shi
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China
| | - Yingchao Huo
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China
| | - Yuezhu Zhang
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China.
| | - Lin Ye
- Department of Occupational and Environmental Health, School of Public Health, Jilin University, Changchun, China.
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3
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da Silva JA, Martins MDF, Guedes TDA, Collares GL, Primel EG, Corrêa MG, Martins CDMG. The use of integrative tools and multiple models for aquatic environmental quality assessment: a case study of the Mirim Lagoon, Southern Brazil. ENVIRONMENTAL MONITORING AND ASSESSMENT 2024; 196:200. [PMID: 38270819 DOI: 10.1007/s10661-024-12336-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 01/08/2024] [Indexed: 01/26/2024]
Abstract
This study performed toxicity assays with microalgae, microcrustaceans, and fish as well as evaluated biochemical and behavioral biomarkers in fish and microcrustaceans to assess the quality of the surface water of Mirim Lagoon, which belongs to one of the largest hydrographic basins in the world, located in southern Brazil. Three distinct sampling periods were chosen (January, March, and June 2022) based on the rice plantation dynamics which is the main activity surrounding the lagoon. In January, the plantation is irrigated; in March, the water is drained into the Mirim Lagoon, and July is the off-season. Concerning toxicity tests, there was significant inhibition in microalgae growth when exposed to water collected in March, but no mortality was observed for Ceriodaphia dubia, Daphnia magna, and Danio rerio. Regarding biomarkers, behavioral variables contributed more to the higher values of the Integrated Biomarker Response (IBR) index for both D. magna and D. rerio, in March. The Redundancy Analysis (RDA) indicated a correlation between the biomarkers for both organisms and abiotic parameters, mainly nutrients (total phosphorus and total nitrogen), thermotolerant coliforms, total solids, and turbidity. Spatially, there was no difference during monitoring, but the most significant ecotoxicological effects were observed in March. Multivariate analysis and the IBR index proved to be useful tools for monitoring of water bodies such as Mirim Lagoon.
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Affiliation(s)
- Josiane Araujo da Silva
- Instituto de Ciências Biológicas, Programa de Pós Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Av, Itália Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Mariana da Fountoura Martins
- Instituto de Ciências Biológicas, Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Thays de Andrade Guedes
- Instituto de Ciências Biológicas, Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Gilberto Loguercio Collares
- Centro de Desenvolvimento Tecnológico, Núcleo de Ensino, Pesquisa e Extensão em Hidrometria e Sedimentologia para o Manejo de Bacias Hidrográficas (NEPE-HIDROSEDI), Universidade Federal de Pelotas, Rua Gomes Carneiro 01, Pelotas, RS, 96010-610, Brazil
| | - Ednei Gilberto Primel
- Escola de Química e Alimentos, Programa de Pós Graduação em Química Tecnológica e Ambiental, Universidade Federal do Rio Grande, Av Itália Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Marília Guidotti Corrêa
- Centro de Desenvolvimento Tecnológico, Núcleo de Ensino, Pesquisa e Extensão em Hidrometria e Sedimentologia para o Manejo de Bacias Hidrográficas (NEPE-HIDROSEDI), Universidade Federal de Pelotas, Rua Gomes Carneiro 01, Pelotas, RS, 96010-610, Brazil
- Escola de Química e Alimentos, Programa de Pós Graduação em Química Tecnológica e Ambiental, Universidade Federal do Rio Grande, Av Itália Km 8, Rio Grande, RS, 96203-900, Brazil
| | - Camila de Martinez Gaspar Martins
- Instituto de Ciências Biológicas, Programa de Pós Graduação em Biologia de Ambientes Aquáticos Continentais, Universidade Federal do Rio Grande, Av, Itália Km 8, Rio Grande, RS, 96203-900, Brazil.
- Instituto de Ciências Biológicas, Programa de Pós Graduação em Ciências Fisiológicas, Universidade Federal do Rio Grande, Av Itália Km 8, Rio Grande, RS, 96203-900, Brazil.
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Li Y, Guo R, Liang X, Yao B, Yan S, Guo Y, Han Y, Cui J. Pollution characteristics, ecological and health risks of herbicides in a drinking water source and its inflowing rivers in North China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122130. [PMID: 37394054 DOI: 10.1016/j.envpol.2023.122130] [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: 03/25/2023] [Revised: 06/27/2023] [Accepted: 06/29/2023] [Indexed: 07/04/2023]
Abstract
This study measured the pollution characteristics and ecological and health risks of 19 herbicides found in drinking water sources and their inflowing rivers. The targeted herbicides were prevalent in the study area, but most concentrations were well below 10 ng L-1. Acetochlor and atrazine were the dominant herbicides, although their levels were much lower than previously reported. Total herbicide residual levels were greater in April than in December and increased from upstream to downstream, resulting in the highest pollution levels found in the reservoirs, likely due to herbicides delivered from upstream and dense agricultural planting in the surrounding areas. Only atrazine and ametryn presented moderate ecological risks, while the summed risk quotients (ΣRQs) of each sample were >0.1, indicated that the total herbicide levels represented a moderate risk in all samples. For the human health risks, the risk quotients (RQ) of all target herbicides, the total RQs of each sample, and estimated life-stage RQs were far smaller than the 0.2 threshold, indicating the absence of human health risks when the water was consumed at any stage of life. However, early life stages exhibited 3-6 times higher RQ values than adulthood and should not be overlooked. And crucially, the synergistic or antagonistic effects of mixed herbicides are not well understood, and further research is needed to understand the impact of these herbicides on the ecosystem and human health, particularly possible affects in early life stages, such as infants and children.
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Affiliation(s)
- Yilin Li
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Ruiyao Guo
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Xiaoge Liang
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Bo Yao
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China.
| | - Shuwen Yan
- Department of Environmental Science & Engineering, Fudan University, Shanghai, 200433, China
| | - Yanan Guo
- Department of Cardiology, Hebei Province Hospital of Traditional Chinese Medicine, Shijiazhuang, 050011, China
| | - Yonghui Han
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
| | - Jiansheng Cui
- School of Environmental Science and Engineering, Hebei University of Science and Technology, Shijiazhuang, 050018, China
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5
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Desai JK, Trangadia BJ, Patel UD, Patel HB, Kalaria VA, Kathiriya JB. Neurotoxicity of 4-nonylphenol in adult zebrafish: Evaluation of behaviour, oxidative stress parameters and histopathology of brain. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122206. [PMID: 37473849 DOI: 10.1016/j.envpol.2023.122206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/10/2023] [Revised: 07/10/2023] [Accepted: 07/13/2023] [Indexed: 07/22/2023]
Abstract
Nonylphenol and its derivatives use as plasticizer or additives in manufacturing industries. Effluents originated from industrial areas are being added to soil, ground water, river and marine water intentionally or unintentionally. Complex mixture of these contaminants enter the food chain and produce sub-lethal deleterious effects mainly on nervous and reproductive systems of aquatic animals and human beings. The information pertaining to oxidative stress-mediated alterations in brain of zebrafish would be helpful to understand the toxicity potential of such compounds in aquatic animals. The aim of the present study was to evaluate the behavioural changes, status of oxidative stress markers; sod, cat, and NF-E2-related factor 2 (nrf2) mRNA gene expression profile; and histopathological changes in the brain of adult zebrafish exposed to 4-nonylphenol (4NP) at concentration of 100 and 200 μg/L of water for 21 days. Zebrafish were divided into four groups viz; control (C1), vehicle (C2, ethanol 10 μg/L of water), treatment 1 (T1, 4-NP, 100 μg/L) and treatment 2 (T2, 4-NP, 200 μg/L). Both exposure levels of 4-NP adversely affected the exploratory behaviour of zebrafish and produced anxiety-like symptom. Concentration-dependent reduction in activity of superoxide dismutase and catalase; and glutathione level, with increased level of malondialdehyde recorded in the brain of exposed zebrafish. Gene expression analysis showed down regulation of sod, cat, nrf2 genes in brain of zebrafish from toxicity groups indicating 4-NP induced oxidative stress in brain. However, noticeable histological alterations were not observed in 4-NP exposed brain of zebrafish.
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Affiliation(s)
- Jay K Desai
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India.
| | - Bhavesh J Trangadia
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India.
| | - Urvesh D Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
| | - Harshad B Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
| | - Vinay A Kalaria
- Department of Veterinary Pathology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
| | - Jaysukh B Kathiriya
- Department of Veterinary Public Health & Epidemiology, College of Veterinary Science and Animal Husbandry, Kamdhenu University, Junagadh, 362001, Gujarat, India
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Barroso GM, Dos Santos EA, Pires FR, Galon L, Cabral CM, Dos Santos JB. Phytoremediation: A green and low-cost technology to remediate herbicides in the environment. CHEMOSPHERE 2023; 334:138943. [PMID: 37201603 DOI: 10.1016/j.chemosphere.2023.138943] [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: 03/29/2023] [Revised: 05/11/2023] [Accepted: 05/13/2023] [Indexed: 05/20/2023]
Abstract
Pesticide dependence is one of the main disadvantages of agriculture. Despite the advances in biological control and integrated management of plant pests and diseases in recent years, herbicides are still essential for weed control and constitute the main class of pesticides worldwide. Herbicide residues in water, soil, air, and non-target organisms are among the biggest agricultural and environmental sustainability obstacles. Therefore, we suggest an environmentally viable alternative to reduce the harmful effects of herbicide residues, a technology called phytoremediation. Remediating plants were grouped into herbaceous, arboreal, and aquatic macrophytes. Phytoremediation can reduce the loss of at least 50% of all herbicide residues to the environment. Among the herbaceous species reported as phytoremediators of herbicides, the Fabaceae family was mentioned in more than 50% of reports. This family is also among the main species of trees reported. Regarding the most reported groups of herbicides, it is observed that most of them, regardless of the group of plants, are triazines. Processes such as extraction or accumulation are the best known and reported for most herbicides. The phytoremediation may be effective against chronic or unknown herbicide toxicity. This tool can be included in proposals for management plans and specific legislation in countries, guaranteeing public policies to maintain environmental quality.
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Affiliation(s)
- Gabriela Madureira Barroso
- Departamento de Engenharia Florestal, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil.
| | | | - Fábio Ribeiro Pires
- Departamento de Agronomia, Universidade Federal do Espírito Santo, São Mateus, ES, Brazil.
| | - Leandro Galon
- Departamento de Agronomia, Universidade Federal da Fronteira Sul, Erechim, RS, Brazil.
| | - Cássia Michelle Cabral
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil.
| | - José Barbosa Dos Santos
- Departamento de Agronomia, Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, MG, Brazil.
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7
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Ikeji CN, Adedara IA, Farombi EO. Dietary myricetin assuages atrazine-mediated hypothalamic-pituitary-testicular axis dysfunction in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:15655-15670. [PMID: 36169847 DOI: 10.1007/s11356-022-23033-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 09/11/2022] [Indexed: 06/16/2023]
Abstract
Atrazine (ATZ) exposure is associated with reproductive dysfunction in both animals and humans. Myricetin, a flavonoid compound, is well documented for its numerous pharmacological activities. However, the impact of myricetin on the atrazine-mediated dysfunctional hypothalamic-pituitary-testicular axis is not known. This study investigated the role of myricetin on the atrazine-induced alterations in the male reproductive axis in rats orally gavaged with ATZ alone (50 mg/kg) or co-treated with ATZ + myricetin (MYR) at 5, 10, and 20 mg/kg for 30 consecutive days. Myricetin assuaged ATZ-induced reductions in intra-testicular testosterone, serum follicle-stimulating hormone, luteinizing hormone, and testosterone, coupled with decreases in alkaline phosphatase, acid phosphatase, lactate dehydrogenase, and glucose-6-phosphate dehydrogenase activities. Also, MYR treatment improved epididymal sperm count and motility and decreased sperm defects in ATZ-treated rats. Testicular sperm number, daily sperm production, and sperm viability remained unchanged in all treatment groups. Administration of MYR abated ATZ-mediated depletion in antioxidant status, an increase in myeloperoxidase activity, nitric oxide, hydrogen peroxide, malondialdehyde levels, and reactive oxygen and nitrogen species, as well as the histological lesions in the hypothalamus, epididymis, and testes of treated animals. All in all, MYR mitigated atrazine-mediated functional changes in the reproductive axis via anti-inflammatory and antioxidant mechanisms in atrazine-exposed rats. Dietary intake of MYR could be a worthy chemoprotective approach against reproductive dysfunction related to ATZ exposure.
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Affiliation(s)
- Cynthia N Ikeji
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Isaac A Adedara
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria.
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Hadeed MN, Castiglione CL, Saleem S, Chammout DH, Muskovac MD, Crile KG, Abdulelah SA, Maalhagh-Fard A, Rampuri EY, Grabowski GM, Belanger RM. Environmentally relevant atrazine exposure leads to increases in DNA damage and changes in morphology in the hepatopancreas of crayfish ( Faxonius virilis). ENVIRONMENTAL ADVANCES 2022; 10:100320. [PMID: 37122617 PMCID: PMC10135391 DOI: 10.1016/j.envadv.2022.100320] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
The herbicide atrazine is widely used for controlling broad leaf weeds and increasing crop yields in agricultural areas. Atrazine enters aquatic environments through runoff, ground water discharge and seepage where concentrations have been recorded above 300 ppb. Exposure to the herbicide atrazine at environmentally relevant concentrations has been shown to negatively impact aquatic organisms, including crayfish. Because xenobiotics are concentrated in the crayfish hepatopancreas (digestive gland), we examined changes in morphology and DNA damage in hepatopancreatic tissue structure and cells following a 10-day exposure to atrazine (0, 10, 40, 80, 100 and 300 ppb). We found that there were marked morphological changes, post-exposure, for all atrazine concentrations tested. Hepatopancreatic tissue exhibited degenerated tubule epithelium with necrosis of microvilli, tubule lumen dilation, changes in tubular epithelium height and vacuolization of the epithelium. Likewise, we also performed a terminal deoxynucleotidyl transferase (TdT) mediated dUTP nick-end labeling (TUNEL) assay which showed the percentage of cells with DNA damage increased following atrazine exposure. Crayfish hepatopancreatic tissue displayed significant increases in TUNEL-positive cells following exposure to atrazine at 100 ppb and above. Overall, exposure to atrazine at environmentally relevant concentrations damages hepatopancreatic tissue. This impairment could lead to changes in biotransformation, detoxification, digestion and molting, subsequently reducing crayfish populations and negatively impacting the aquatic ecosystem.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Rachelle M. Belanger
- Corresponding author at: Biology Department, University of Detroit Mercy, 4001 W. McNichols, Detroit, MI 48221, United States. (R.M. Belanger)
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Jiang W, Zhai W, Liu X, Wang F, Liu D, Yu X, Wang P. Co-exposure of Monensin Increased the Risks of Atrazine to Earthworms. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2022; 56:7883-7894. [PMID: 35593893 DOI: 10.1021/acs.est.2c00226] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Antibiotics could enter farmlands through sewage irrigation or manure application, causing combined pollution with pesticides. Antibiotics may affect the environmental fate of pesticides and even increase their bioavailability. In this study, the influence of monensin on the degradation, toxicity, and availability of atrazine in soil-earthworm microcosms was investigated. Monensin inhibited the degradation of atrazine, changed the metabolite patterns in soil, and increased the bioavailability of atrazine in earthworms. Atrazine and monensin had a significant synergistic effect on earthworms in the acute toxic test. In long-term toxicity tests, co-exposure of atrazine and monensin also led to worse effects on earthworms including oxidative stress, energy metabolism disruption, and cocoon production compared to single exposure. The expression of tight junction proteins was down-regulated significantly by monensin, indicating that the intestinal barrier of earthworms was weakened, possibly causing the increased bioavailability of atrazine. The expressions of heat shock protein 70 (Hsp70) and reproductive and ontogenetic factors (ANN, TCTP) were all downregulated in binary exposure, indicating that the resilience and cocoon production of earthworms were further weakened under combined pollution. Monensin disturbed the energy metabolism and weakened the intestinal barrier of earthworms. These results showed that monensin increased the risks of atrazine in agricultural areas.
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Affiliation(s)
- Wenqi Jiang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing 100193, P.R. China
- Institute of Agricultural Resources & Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, P.R. China
| | - Wangjing Zhai
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing 100193, P.R. China
| | - Xueke Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing 100193, P.R. China
| | - Fang Wang
- School of Ecology and Environment, Beijing Technology and Business University, Beijing 100048, China
| | - Donghui Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing 100193, P.R. China
| | - Xiangyang Yu
- Institute of Agricultural Resources & Environment, Jiangsu Academy of Agricultural Sciences, Nanjing 210014, P.R. China
| | - Peng Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Department of Applied Chemistry, China Agricultural University, Beijing 100193, P.R. China
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10
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Patel UN, Patel UD, Khadayata AV, Vaja RK, Modi CM, Patel HB. Long-term exposure of the binary mixture of cadmium and mercury damages the developed ovary of adult zebrafish. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:44928-44938. [PMID: 35138535 DOI: 10.1007/s11356-022-18988-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
The toxicity of the binary mixture of cadmium (Cd) and mercury (Hg) on the ovary of adult zebrafish was evaluated in the present study. Adult female zebrafish were exposed to cadmium chloride (1 mg/L), mercury chloride (30 µg/L), and a binary mixture of both metals for 21 days. The toxic effects of both metals on the ovary were investigated by evaluating the oxidative stress markers and related gene expression in ovarian tissue along with the histopathological examination. The significantly decreased level of GSH and increased level of MDA in ovarian tissue of adult female zebrafish exposed to Cd + Hg indicated that the exposure of binary mixture of Cd and Hg caused more lipid peroxidation in the ovary. The significant changes in expression of mRNA of catalase (CAT) and nuclear factor erythroid 2 (NF-E2)-related factor 2 (Nrf2) were not observed in the ovary of zebrafish exposed to the binary mixture. Upon histological evaluation, a decreased number of full-growth (mature) oocytes along with degenerative changes due to Cd exposure were noticed, while ovary of zebrafish of the Hg-exposed group had shown a decreased number of pre-and early vitellogenic oocytes along with atretic previtellogenic oocytes compared to the control group. The ovary of zebrafish of the Cd + Hg-exposed group had shown a decreased number of previtellogenic oocytes with marked pathological changes in mature oocytes. Present findings elucidate that simultaneous long-term exposure of Cd and Hg compared to individual exposure significantly damaged the various stages of oocytes of an ovary of adult zebrafish.
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Affiliation(s)
- Utsav N Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Junagadh, India
- Kamdhenu University, Gandhinagar, Gujarat, India
| | - Urvesh D Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Junagadh, India.
- Kamdhenu University, Gandhinagar, Gujarat, India.
| | - Aniket V Khadayata
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Junagadh, India
- Kamdhenu University, Gandhinagar, Gujarat, India
| | - Rahul K Vaja
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Junagadh, India
- Kamdhenu University, Gandhinagar, Gujarat, India
| | - Chirag M Modi
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Junagadh, India
- Kamdhenu University, Gandhinagar, Gujarat, India
| | - Harshad B Patel
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Science and Animal Husbandry, Junagadh, India
- Kamdhenu University, Gandhinagar, Gujarat, India
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11
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Sharma S, Pandey LM. Prospective of fungal pathogen-based bioherbicides for the control of water hyacinth: A review. J Basic Microbiol 2021; 62:415-427. [PMID: 34750838 DOI: 10.1002/jobm.202100381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/06/2021] [Accepted: 10/23/2021] [Indexed: 11/06/2022]
Abstract
Over the decades the presence of aquatic weeds has caused immense biodiversity loss to the ecosystem. The use of herbicides has arisen emergence of herbicide-resistant weeds and loss of inherent flora and fauna due to the recalcitrant nature of the chemicals used. Hence, there is a need to use nontoxic, ecosustainable, low-cost, and efficient biological molecules that are analogous to chemical herbicides. Various plants, bacteria, fungi as well a few viruses are reported to secrete allelopathic biomolecules that inhibit the growth and development of weeds. However, majorly fungal pathogens and their metabolites are found to be effective biocontrol agents for the water hyacinth. The present review puts forward major findings and interventions in the biological control of the weed, water hyacinth. The biosynthesis, mechanism of action and factors regulating the activity of bioherbicides are discussed. In addition, the issues associated with the in situ application of these bioherbicides are also conferred focusing on the available mode of applications and formulation used. The major factors include the type and concentration of allelopathic biomolecules, age, type, and morphology of targeted weed, formulation type, mode of application and other physiological and environmental factors. Among various modes for the application of bioherbicides, emulsions are found to be most effective for the control of water hyacinth. Most of the toxicity studies indicated no toxicity of this fungal pathogen to other ecological plant species except water hyacinth. Yet, in-depth investigations are needed of these allelochemicals and toxins before field applications. Overall, lab-scale studies have shown promising results and highlighted a few potential fungi that need to be further explored for optimizing their bioherbicidal activity.
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Affiliation(s)
- Swati Sharma
- Bio-interface & Environmental Engineering Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
| | - Lalit M Pandey
- Bio-interface & Environmental Engineering Lab, Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, Assam, India
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12
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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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13
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Sadeghnia H, Shahba S, Ebrahimzadeh-Bideskan A, Mohammadi S, Malvandi AM, Mohammadipour A. Atrazine neural and reproductive toxicity. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1966637] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Hamidreza Sadeghnia
- Department of Pharmacology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Neurocognitive Research Center, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sara Shahba
- Medical Biotechnology Research Center, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | | | - Shabnam Mohammadi
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | | | - Abbas Mohammadipour
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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14
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Macêdo AKS, de Melo Costa P, Salgado MAR, de Ribeiro RIMA, Dos Santos HB, Thomé RG. Can the exposure system adopted influence the results of the atrazine toxicity in hepatic tissue of fish? JOURNAL OF EXPERIMENTAL ZOOLOGY PART 2021; 335:512-521. [PMID: 33949805 DOI: 10.1002/jez.2471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 03/17/2021] [Accepted: 04/20/2021] [Indexed: 11/06/2022]
Abstract
The widespread use of atrazine, a herbicide used to control weeds, has contributed to the increased contamination of aquatic environments. To assess the toxicological effects of a xenobiotic on a nontarget organism in the laboratory, different models of toxicological exposure systems have been widely used. Therefore, the aim of this study was to evaluate and compare the action of sublethal concentrations of atrazine on the hepatic histology of Oreochromis niloticus, considering two models of exposure: static (where atrazine was only added once) and semi-static (where atrazine was periodically renewed). Fish were exposed to a concentration of 2 ppm atrazine for 15 days, which was verified by high-performance liquid chromatography. The livers were stained with hematoxylin and eosin and histopathological data were collected. In addition, they were submitted to immunohistochemistry for inducible nitric oxide synthase (iNOS). A maximum variation of 45% (static) and 12.5% (semi-static) was observed between the observed and nominal atrazine concentration. Nuclear and cytoplasmic changes were observed in both experimental models. Hepatocytes from the livers of the static system showed a degenerative appearance, while in the semi-static system, intense cytoplasmic vacuolization and necrosis were observed. iNOS positive cells were identified only in macrophages in the hepatocytes of fish in the semi-static system. These results directly showed how the choice of exposure system can influence the results of toxicological tests. However, future analysis investigating the by-products and nitrogen products should be carried out since the histopathological findings revealed the possibility of these compounds serving as secondary contamination routes.
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Affiliation(s)
- Anderson K S Macêdo
- Laboratório de Processamento de Tecidos - LAPROTEC, Universidade Federal de São João Del Rei, Divinópolis, Minas Gerais, Brazil
| | - Pauliane de Melo Costa
- Laboratório de Processamento de Tecidos - LAPROTEC, Universidade Federal de São João Del Rei, Divinópolis, Minas Gerais, Brazil
| | - Mariana A R Salgado
- Laboratório de Processamento de Tecidos - LAPROTEC, Universidade Federal de São João Del Rei, Divinópolis, Minas Gerais, Brazil
| | - Rosy I M A de Ribeiro
- Laboratório de Patologia Experimental - LAPATEX, Universidade Federal de São João Del Rei, Divinópolis, Minas Gerais, Brazil
| | - Hélio B Dos Santos
- Laboratório de Processamento de Tecidos - LAPROTEC, Universidade Federal de São João Del Rei, Divinópolis, Minas Gerais, Brazil
| | - Ralph G Thomé
- Laboratório de Processamento de Tecidos - LAPROTEC, Universidade Federal de São João Del Rei, Divinópolis, Minas Gerais, Brazil
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15
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Alla LNR, Monshi M, Siddiqua Z, Shields J, Alame K, Wahls A, Akemann C, Meyer D, Crofts EJ, Saad F, El-Nachef J, Antoon M, Nakhle R, Hijazi N, Hamid M, Gurdziel K, McElmurry SP, Kashian DR, Baker TR, Pitts DK. Detection of endocrine disrupting chemicals in Danio rerio and Daphnia pulex: Step-one, behavioral screen. CHEMOSPHERE 2021; 271:129442. [PMID: 33476875 DOI: 10.1016/j.chemosphere.2020.129442] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 12/15/2020] [Accepted: 12/23/2020] [Indexed: 05/27/2023]
Abstract
Anthropogenic surface and ground water contamination by chemicals is a global problem, and there is an urgent need to develop tools to identify and elucidate biological effects. Contaminants of emerging concern (CECs) are not typically monitored or regulated and those with known or suspected endocrine disrupting potential have been termed endocrine disrupting chemicals (EDCs). Many CECs are known to be neurotoxic (e.g., insecticides) and many are incompletely characterized. Behavioral responses can identify chemicals with neuroactive properties, which can be relevant to EDC mechanisms (e.g., neuroendocrine disturbances). Two freshwater species, Daphnia pulex and Danio rerio, were evaluated for swimming behavior alterations resulting from 24-hr exposure to 9 CECs: triclosan, triclocarban, chlorpyrifos, dieldrin, 4-nonylphenol, bisphenol-A, atrazine, metformin, and estrone. This is the first step in the development of a bioassay for detecting estrogenic and/or anti-androgenic activity with the goal to evaluate complex mixtures of uncharacterized contaminants in water samples. The second step, described in a subsequent report, examines transcriptome alterations following chemical exposure. Significant differences in the swimming behavior response and sensitivity were found across chemicals within a species and across species for a given chemical in this unique optical bioassay system. In the concentration ranges studied, significant behavioral alterations were detected for 6 of 9 CECs for D. pulex and 4 of 9 CECs for D. rerio. These results underscore the utility of this bioassay to identify behavioral effects of sublethal concentrations of CECs before exploration of transcriptomic alterations for EDC detection.
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Affiliation(s)
- Lakshmi Neha Reddy Alla
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Manahil Monshi
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Zoha Siddiqua
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Jeremiah Shields
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Karim Alame
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Andrea Wahls
- Department of Civil and Environmental Engineering, College of Engineering, Wayne State University, Detroit, MI, USA; Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Camille Akemann
- Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, USA
| | - Danielle Meyer
- Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, USA
| | - Emily J Crofts
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Fadie Saad
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Judy El-Nachef
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Merna Antoon
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Raquel Nakhle
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | - Nemer Hijazi
- Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - Maha Hamid
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA
| | | | - Shawn P McElmurry
- Department of Civil and Environmental Engineering, College of Engineering, Wayne State University, Detroit, MI, USA
| | - Donna R Kashian
- Department of Biological Sciences, College of Liberal Arts, Wayne State University, Detroit, MI, USA
| | - Tracie R Baker
- Department of Pharmacology, School of Medicine, Wayne State University, Detroit, MI, USA; Institute of Environmental Health Sciences, Wayne State University, Detroit, MI, USA
| | - David K Pitts
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, Wayne State University, Detroit, MI, USA.
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16
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Destro ALF, Silva SB, Gregório KP, de Oliveira JM, Lozi AA, Zuanon JAS, Salaro AL, da Matta SLP, Gonçalves RV, Freitas MB. Effects of subchronic exposure to environmentally relevant concentrations of the herbicide atrazine in the Neotropical fish Astyanax altiparanae. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111601. [PMID: 33396121 DOI: 10.1016/j.ecoenv.2020.111601] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2020] [Revised: 10/16/2020] [Accepted: 11/01/2020] [Indexed: 06/12/2023]
Abstract
Atrazine (ATZ) is among the most widely used herbicides in the world, and yet it has a potential to contaminate aquatic environments due to pesticide leaching from agricultural areas. In the Neotropical region, studies about the effects of this herbicide in native aquatic wildlife is scarce.Our study aimed at investigating the effects of a 30-day exposure to a commercial atrazine formulation on oxidative stress parameters, histopathology in testis and liver, and hormone levels in males and female of yellow-tailed tetra fish (Astyanax altiparanae). Adults were exposed to low but environmentally relevant concentrations of atrazine as follows: 0 (CTL-control), 0.5 (ATZ0.5), 1 (ATZ1), 2 (ATZ2) and 10 (ATZ10) μg/L. Our results showed decreased GST activity in gills in all groups of exposed animals and increased CAT activity in gills from the ATZ10 group. In the liver, there was an increase in lipid peroxidation in fish from ATZ1 and ATZ2 groups. Histological analysis of the liver showed increased percentage of sinusoid capillaries in ATZ2 fish, increased vascular congestion in ATZ1 and increased leukocyte infiltration in the ATZ10 group. Hepatocyte diameter analysis revealed a decrease in cell size in all groups exposed to ATZ, and a decrease in hepatocyte nucleus diameter in ATZ1, ATZ2 and ATZ10 groups. Endocrine parameters did not show significant changes following ATZ exposure, although an increase of triiodothyronine/thyroxine (T3/T4) ratio was observed in ATZ2 fish. Our results provide evidence that even low, environmentally relevant concentrations of ATZ produced oxidative damage and histological alterations in adult yellow-tailed tetra.
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Affiliation(s)
- Ana Luiza F Destro
- Department of Animal Biology, Federal University of Viçosa, Viçosa, MG, Brazil
| | - Stella B Silva
- Department of Animal Biology, Federal University of Viçosa, Viçosa, MG, Brazil
| | - Kemilli P Gregório
- Department of Animal Biology, Federal University of Viçosa, Viçosa, MG, Brazil
| | | | - Amanda A Lozi
- Department of Cellular and structural Biology, Federal University of Viçosa, Viçosa, MG, Brazil
| | | | - Ana Lúcia Salaro
- Department of Animal Biology, Federal University of Viçosa, Viçosa, MG, Brazil
| | | | | | - Mariella B Freitas
- Department of Animal Biology, Federal University of Viçosa, Viçosa, MG, Brazil.
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17
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Trigueiro NSDS, Canedo A, Braga DLDS, Luchiari AC, Rocha TL. Zebrafish as an Emerging Model System in the Global South: Two Decades of Research in Brazil. Zebrafish 2020; 17:412-425. [PMID: 33090089 DOI: 10.1089/zeb.2020.1930] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The zebrafish (Danio rerio) is an emerging model system in several research areas worldwide, especially in the Global South. In this context, the present study revised the historical use and trends of zebrafish as experimental models in Brazil. The data concerning the bibliometric parameters, research areas, geographic distribution, experimental design, zebrafish strain, and reporter lines, as well as recent advances were revised. In addition, the comparative trends of Brazilian and global research were discussed. Revised data showed the rapid growth of Brazilian scientific production using zebrafish as a model, especially in three main research areas (Neuroscience &and Behavior, Pharmacology and Toxicology, and Environment/Ecology). Studies were conducted in 19 Brazilian states (70.37%), confirming the wide geographic distribution and importance of zebrafish research. Results indicated that research related to toxicological approaches are widespread in Global South countries such as Brazil. Studies were performed mainly using in vivo tests (89.58%) with adult fish (59.75%) and embryos (30.67%). Moreover, significant research gaps and recommendations for future research are presented. The present study shows that the zebrafish is a suitable vertebrate model system in the Global South.
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Affiliation(s)
- Nicholas Silvestre de Souza Trigueiro
- Laboratory of Environmental Biotechnology and Ecotoxicology, Department of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
| | - Aryelle Canedo
- Laboratory of Environmental Biotechnology and Ecotoxicology, Department of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
| | - Daniel Lôbo de Siqueira Braga
- Laboratory of Environmental Biotechnology and Ecotoxicology, Department of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
| | - Ana Carolina Luchiari
- Department of Physiology and Behavior, Federal University of Rio Grande do Norte, Natal, Brazil
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Department of Biosciences and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Brazil
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18
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Neamat‐Allah ANF, Abd El Hakim Y, Mahmoud EA. Alleviating effects of β‐glucan in Oreochromis niloticuson growth performance, immune reactions, antioxidant, transcriptomics disorders and resistance to Aeromonas sobriacaused by atrazine. AQUACULTURE RESEARCH 2020; 51:1801-1812. [DOI: 10.1111/are.14529] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 01/10/2020] [Indexed: 09/02/2023]
Affiliation(s)
- Ahmed N. F. Neamat‐Allah
- Department of Clinical Pathology Faculty of Veterinary Medicine Zagazig University Zagazig City Sharkia Province Egypt
| | - Yasser Abd El Hakim
- Department of Fish Diseases and Management Faculty of Veterinary Medicine Zagazig University Zagazig City Sharkia Province Egypt
| | - Essam A. Mahmoud
- Department of Clinical Pathology Faculty of Veterinary Medicine Zagazig University Zagazig City Sharkia Province Egypt
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19
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Cleary JA, Tillitt DE, Vom Saal FS, Nicks DK, Claunch RA, Bhandari RK. Atrazine induced transgenerational reproductive effects in medaka (Oryzias latipes). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 251:639-650. [PMID: 31108297 DOI: 10.1016/j.envpol.2019.05.013] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/23/2019] [Accepted: 05/04/2019] [Indexed: 06/09/2023]
Abstract
Atrazine is presently one of the most abundantly used herbicides in the United States, and a common contaminant of natural water bodies and drinking waters in high-use areas. Dysregulation of reproductive processes has been demonstrated in atrazine exposed fish, including alteration of key endocrine pathways on hypothalamic-pituitary-gonadal (HPG) axis. However, the potential for atrazine-induced transgenerational inheritance of reproductive effects in fish has not been investigated. The present study examined the effects of early developmental atrazine exposure on transgenerational reproductive dysregulation in Japanese medaka (Oryzias latipes). F0 medaka were exposed to atrazine (ATZ, 5 or 50 μg/L), 17α-ethinylestradiol (EE2, 0.002 or 0.05 μg/L), or solvent control during the first twelve days of development with no subsequent exposure over three generations. This exposure overlapped with the critical developmental window for embryonic germ cell development, gonadogenesis, and sex determination. Exposed males and females of the F0 generation were bred to produce an F1 generation, and this was continued until the F2 generation. Sperm count and motility were not affected in F0 males; however, both parameters were significantly reduced in the males from F2 Low EE2 (0.002 μg/L), Low ATZ (5 μg/L), and High ATZ (50 μg/L) lineages. Fecundity was unaffected by atrazine or EE2 in F0 through F2 generations; however, fertilization rate was decreased in low atrazine and EE2 exposure lineages in the F2 generation. There were significant transgenerational differences in expression of the genes involved in steroidogenesis and DNA methylation. These results suggest that although early life exposure to atrazine did not cause significant phenotypes in the directly exposed F0 generation, subsequent generations of fish were at greater risk of reproductive dysfunction.
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Affiliation(s)
- Jacob A Cleary
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA
| | - Donald E Tillitt
- U.S. Geological Survey, Columbia Environmental Research Center, Columbia, MO 65201, USA
| | - Frederick S Vom Saal
- Division of Biological Sciences, University of Missouri, Columbia, MO 65211, USA
| | - Diane K Nicks
- U.S. Geological Survey, Columbia Environmental Research Center, Columbia, MO 65201, USA
| | - Rachel A Claunch
- U.S. Geological Survey, Columbia Environmental Research Center, Columbia, MO 65201, USA
| | - Ramji K Bhandari
- Department of Biology, University of North Carolina Greensboro, Greensboro, NC 27412, USA.
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