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Lee JW, Shim I, Park K. Proposing Effective Ecotoxicity Test Species for Chemical Safety Assessment in East Asia: A Review. TOXICS 2023; 12:30. [PMID: 38250986 PMCID: PMC10819827 DOI: 10.3390/toxics12010030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 12/25/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024]
Abstract
East Asia leads the global chemical industry, but environmental chemical risk in these countries is an emerging concern. Despite this, only a few native species that are representative of East Asian environments are listed as test species in international guidelines compared with those native to Europe and America. This review suggests that Zacco platypus, Misgurnus anguillicaudatus, Hydrilla verticillata, Neocaridina denticulata spp., and Scenedesmus obliquus, all resident to East Asia, are promising test species for ecotoxicity tests. The utility of these five species in environmental risk assessment (ERA) varies depending on their individual traits and the state of ecotoxicity research, indicating a need for different applications of each species according to ERA objectives. Furthermore, the traits of these five species can complement each other when assessing chemical effects under diverse exposure scenarios, suggesting they can form a versatile battery for ERA. This review also analyzes recent trends in ecotoxicity studies and proposes emerging research issues, such as the application of alternative test methods, comparative studies using model species, the identification of specific markers for test species, and performance of toxicity tests under environmentally relevant conditions. The information provided on the utility of the five species and alternative issues in toxicity tests could assist in selecting test species suited to study objectives for more effective ERA.
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Affiliation(s)
- Jin Wuk Lee
- Research of Environmental Health, National Institute of Environmental Research, Incheon 404-708, Republic of Korea; (I.S.); (K.P.)
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Bony S, Labeille M, Lefrancois E, Noury P, Olivier JM, Santos R, Teichert N, Besnard A, Devaux A. The goby fish Sicydium spp. as valuable sentinel species towards the chemical stress in freshwater bodies of West Indies. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 261:106623. [PMID: 37429095 DOI: 10.1016/j.aquatox.2023.106623] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Revised: 06/23/2023] [Accepted: 06/25/2023] [Indexed: 07/12/2023]
Abstract
Implementation of the European Water Framework Directive in tropical areas such as the French West Indies (FWI) requires to select relevant aquatic sentinel species for investigating the ecological status of surface waters. The present work aimed to study the biological response of the widespread fish Sicydium spp. towards river chemical quality in Guadeloupe island through a set of proper biomarkers. During a 2-year survey, the hepatic EROD activity, the micronucleus formation and the level of primary DNA strand breaks in erythrocytes were measured respectively as an enzymatic biomarker of exposure and genotoxicity endpoints in fish living upstream and downstream of two chemically-contrasted rivers. Hepatic EROD activity was shown to be variable along the time but always significantly higher in fish from the most contaminated river (Rivière aux Herbes) compared to the low contaminated one (Grande Rivière de Vieux-Habitants). Fish size did not influence EROD activity. Female fish exhibited a lower EROD activity compared to males depending on the catching period. We observed significant temporal variation in micronucleus frequency and primary DNA damage level measured in fish erythrocytes that did not depend on the fish size. Micronucleus frequency and to a lesser extent DNA damage were significantly higher in fish from the Rivière aux Herbes compared to the Grande Rivière de Vieux-Habitants. Our results argue for the interest of using Sicydium spp. as sentinel species to assess river quality and chemical pressures in FWI.
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Affiliation(s)
- S Bony
- Univ Lyon, Université Claude Bernard Lyon 1, ENTPE, CNRS, INRAE, USC 1369, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin, France
| | - M Labeille
- Sentinelle Lab, F-97125 Bouillante, France
| | | | - P Noury
- INRAE, UR RiverLy, Laboratoire d'écotoxicologie, F-69616 Villeurbanne, France
| | - J M Olivier
- Univ Lyon, Université Claude Bernard Lyon 1, CNRS, ENTPE, UMR 5023 LEHNA, F-69622 Villeurbanne, France
| | - R Santos
- INRAE, UR RiverLy, Laboratoire d'écotoxicologie, F-69616 Villeurbanne, France
| | - N Teichert
- UMR 7208 BOREA, MNHN, CNRS, IRD, SU, UCN, UA, Laboratoire de Biologie des Organismes et Ecosystèmes Aquatiques, Paris, France
| | - A Besnard
- CEFE, Université Montpellier, CNRS, EPHE-PSL University, IRD, Montpellier, France
| | - A Devaux
- Univ Lyon, Université Claude Bernard Lyon 1, ENTPE, CNRS, INRAE, USC 1369, UMR 5023 LEHNA, F-69518 Vaulx-en-Velin, France.
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A.Hussein M, N E, Lateef A, Mustafa SR, Nihad Baqer N, Ali SA, Taen MM, Saheab N. Studying the toxicity of polluted water with polyaromatic hydrocarbon compound (Anthracene) by using micronucleus assay in fish. BIONATURA 2023. [DOI: 10.21931/rb/2023.08.01.51] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/13/2023] Open
Abstract
Polycyclic aromatic hydrocarbons mainly originate from the incomplete combustion of fossil fuels such as petroleum, natural gas and coal. Also, biomass burning has attracted much attention due to its mutagenic, allergenic and carcinogenic properties. Anthracene, a three-ringed polycyclic aromatic hydrocarbon, is widely known as a common hazardous ubiquitous environmental pollutant. Anthracene is used to make dyes, plastics and pesticides.
The present study aims to evaluate the risks of Anthracene to fish using a micronucleus (MN) assay; the test has been used successfully as a mutagenic assay. Ninety fishes were adapted and acclimated to the laboratory conditions for one week before starting the experiment, then were exposed to (7.5mg/L, 10mg/L, and 12.5mg/L) of Anthracene for 72 hours. Results demonstrated that the LD50 of Anthracene in fish was (10 mg/L). Based on the values of LC50, the fish were then exposed for 72 h to three concentrations of sub-lethal Anthracene (2.5 mg/L, 5 mg/L and 7.5 mg/L) and control (0.00 mg/L) after (72 hours, 10 days, 20 days). Peripheral blood samples smears were collected from each group, the sample was stained by Giemsa stain, and frequencies of MNs were counted. The study showed an increase in micronuclei with concentration and period. In conclusion, it can use of the micronucleus assay in erythrocytes of fish as a sensible index for the assessment and evaluation of aquatic environmental pollution
Keywords: PAH; Anthracene; Micro nucleus assay; Carp.
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Affiliation(s)
- Milad A.Hussein
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Estabraq N
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Abdul Lateef
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Sarab R. Mustafa
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Noor Nihad Baqer
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Suha A. Ali
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Maha M Taen
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
| | - Nora Saheab
- Ministry of Science and Technology / Environment And Water Director / Baghdad –Iraq
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Ali D, Ibrahim KE, Hussain SA, Abdel-Daim MM. Role of ROS generation in acute genotoxicity of azoxystrobin fungicide on freshwater snail Lymnaea luteola L. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:5566-5574. [PMID: 32974827 DOI: 10.1007/s11356-020-10895-w] [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: 03/31/2020] [Accepted: 09/16/2020] [Indexed: 06/11/2023]
Abstract
Azoxystrobin (AZ) is an aryloxy pyrimidine fungicide extensively applied in the agriculture field all over the world. There is a little information about the ecotoxicity of AZ fungicide on the freshwater snail Lymnaea luteola (L. luteola). The present study investigated the toxic effect of AZ fungicide on L. luteola by using various measures. We determined the mean LC50 value-96 h of AZ fungicide (0.79 mg/L) for L. luteola, in a static system. Based on this value, three sublethal concentrations, viz., I (0.079 mg/L), II (~ 0.40 mg/L), and III (~ 0.53 mg/L), were determined. The snails were exposed to these three concentrations of AZ fungicide for 96 h, and hemolymph and digestive glands were collected after 24 and 96 h for assessment of oxidative stress, apoptosis, and histological and genotoxic changes. The induction of intracellular reactive oxygen species (ROS) and apoptosis in hemocyte cells was increased in a dose- and time-dependent manner. It was observed that lipid peroxide (LPO) and glutathione S transferase (GST) were increased, and glutathione and superoxide dismutase decreased in digestive glands. A similar trend was observed for the DNA damage as measured in terms of the percentage of tail DNA and olive tail moment in digestive gland cells. This study showed the collective use of oxidative stress, histological, and genotoxicity parameters in in vivo laboratory studies using snails that are useful for screening the toxic potential of environmental contaminants such as AZ fungicide.Graphical abstract.
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Affiliation(s)
- Daoud Ali
- Department of Zoology, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia.
| | - Khalid E Ibrahim
- Department of Zoology, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Seik Altaf Hussain
- Department of Zoology, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mohamed M Abdel-Daim
- Department of Zoology, College of Science, King Saud University, P. O. Box 2455, Riyadh, 11451, Saudi Arabia
- Pharmacology Department, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt
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D'Agostini F, La Maestra S. Micronuclei in Fish Erythrocytes as Genotoxic Biomarkers of Water Pollution: An Overview. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 258:195-240. [PMID: 34611757 DOI: 10.1007/398_2021_76] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Freshwater and marine water bodies receive chemical contaminants from industrial, agricultural, urban, and domestic wastes. Eco-genotoxicity assays are useful tools to assess the cumulative genotoxicity of these pollutants. Fish are suitable indicators for biomonitoring of mutagenic and carcinogenic pollution.In this review, we present a complete overview of the studies performed so far using the micronucleus test in peripheral erythrocytes of fish exposed to polluted water. We have listed all the species of fish used and the geographical distribution of the investigations. We have analyzed and discussed all technical aspects of using this test in fish, as well as the advantages and disadvantages of the different experimental protocols. We have reported the results of all studies. This assay has become, for years, one of the simplest, fastest, and most cost-effective for assessing genotoxic risk in aquatic environments. However, there are still several factors influencing the variability of the results. Therefore, we have given indications and suggestions to achieve a standardization of experimental procedures and ensure uniformity of future investigations.
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Huang X, Cui H, Duan W. Ecotoxicity of chlorpyrifos to aquatic organisms: A review. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 200:110731. [PMID: 32450436 DOI: 10.1016/j.ecoenv.2020.110731] [Citation(s) in RCA: 74] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2020] [Revised: 05/08/2020] [Accepted: 05/09/2020] [Indexed: 05/08/2023]
Abstract
Pesticides play an important role in promoting agricultural development, while their unreasonable use has led to environmental problems. Chlorpyrifos (CPF), a typical organophosphate pesticide, is used globally as an insecticide in agriculture. The extensive application of CPF has resulted in water contamination, and CPF has been detected in rivers, lakes, seawater, and even in rain. In the present review, CPF was selected due to its extensive use in agriculture and higher detection rate in surface waters. In this review we summarised the evidence related to CPF pollution and focused on discussing the ecotoxicity of CPF to aquatic systems and revealed the mechanism of action of CPF. The aim of this literature review was to summarise the knowledge of the toxicity to marine and freshwater organisms of CPF as well as try to select a series of sensitive biomarkers, which are suitable for ecotoxicological assessment and environmental monitoring in aquatic systems.
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Affiliation(s)
- Xiao Huang
- Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control, School of Environmental Science and Engineering, Nanjing University of Information Science & Technology, Nanjing, Jiangsu Province, PR China
| | - Hongwu Cui
- Yellow Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Qingdao, Shandong Province, PR China
| | - Weiyan Duan
- Ocean College of Hebei Agricultural University, Qinhuangdao, Hebei Province, PR China.
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Al-Abdan MA, Bin-Jumah MN, Alarifi S. Exploration of Cadmium Dioxide Nanoparticles on Bioaccumulation, Oxidative Stress, and Carcinogenic Potential in Oreochromis mossambicus L. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:5407159. [PMID: 32774679 PMCID: PMC7399788 DOI: 10.1155/2020/5407159] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 06/29/2020] [Indexed: 11/24/2022]
Abstract
The field of nanotechnology is rapidly expanding with the advancement of novel nanopesticide and nanofertilizers that have the potential for revolutionizing applications in the agricultural industry. Here, we have done chronic toxicity of cadmium dioxide nanoparticles (CdONPs) on fish Oreochromis mossambicus (O. mossambicus) using oxidative stress and genotoxic biomarkers. In this current study, the value of LC50-96 hr of CdONPs has observed 40 μg/ml for O. mossambicus. The three sublethal concentrations, e.g., 4, 10, and 20 μg/ml were selected based on the LC50 value. The fishes were treated to the above concentration of CdONPs for 21 days and were harvested at 1, 7, 14, and 21 days for evaluation of clastogenicity, mutagenicity, and genotoxicity of NPs. Generally, significant effects (p < 0.01) were observed as a dose and duration of exposure. It was observed that lipid peroxidation (LPO) was increased and glutathione was decreased in both tissues. Micronuclei (MNi) were produced significantly in peripheral blood on 21 days at maximum concentration. A similar trend was seen in the damage of DNA with the same manner in terms of the percentage of tail DNA in the lymphocyte, gills, and kidney cells. This study explored the application oxidative stress, comet assay, and micronucleus assay for in situ aquatic laboratory studies using fish O. mossambicus for screening the ecomutagenic and genotoxic potential of environmental pollutants.
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Affiliation(s)
- Monera A. Al-Abdan
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - May N. Bin-Jumah
- Department of Biology, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Saud Alarifi
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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8
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Sumi N, Chitra KC. Cytogenotoxic effects of fullerene C 60 in the freshwater teleostean fish, Anabas testudineus (Bloch, 1792). MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2019; 847:503104. [PMID: 31699344 DOI: 10.1016/j.mrgentox.2019.503104] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Revised: 09/17/2019] [Accepted: 09/25/2019] [Indexed: 01/26/2023]
Abstract
In recent years, carbon nanomaterials, including fullerene C60 is regarded as the building block in nanotechnology because of its widespread use in medicine, industry, cosmetics and commercial products. Despite the special properties, several reports have raised public health concerns due to the unknown and practically unexplored toxic effects of nanomaterials. However, there have been relatively few studies regarding the genotoxic responses of fullerene C60in vivo. Genotoxic effects of DMSO-solublized C60 nanomaterial suspension at sublethal concentrations (5 and 10 mg/L) were investigated on adult freshwater fish, Anabas testudineus using micronucleus and comet assays. An assessment of micronucleus induction showed severe cytoplasmic and nuclear abnormalities in erythrocytes, gill and liver cells. Abnormalities in cytoplasm were identified as formation of sticky cells, vacuolated cytoplasm, cytoplasmic degeneration, echinocyte, acanthocyte, anisochromatic cells and abnormal erythrocyte membrane. The nuclear abnormalities included micronucleus, binucleated cells, nuclear buds, irregular nucleus, vacuolated, notched and serrated nucleus in the erythrocytes compared to the control groups. Similarly, significant increase (P < 0.05) in micronucleus frequencies were observed in gill and liver cells. The high frequency of micronucleus was observed in the gill cells followed by liver and erythrocytes, respectively, at both sublethal concentrations, and the severity was duration and concentration-dependent. In comet assay, significant increase (P < 0.05) in DNA damage was observed using the comet parameter, percent tail DNA. The highest level of comet damage with grade 3 was observed in blood, gill and liver cells on increase in duration and concentration when compared to the respective control groups. Thus the results revealed that fullerene C60 nanomaterials may pose risk to aquatic organisms, especially fish, by the induction of genotoxicity. Further studies are warranted to provide new insights on the mechanisms and consequences of C60 nanomaterials interactions with biological membranes.
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Affiliation(s)
- Nechat Sumi
- Endocrinology and Toxicology Laboratory, Department of Zoology, University of Calicut, Malappuram District, Kerala, 673 635, India
| | - Kumari Chidambaran Chitra
- Endocrinology and Toxicology Laboratory, Department of Zoology, University of Calicut, Malappuram District, Kerala, 673 635, India.
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Hussain B, Fatima M, Al-Ghanim KA, Al-Misned F, Mahboob S. Assessment of DNA integrity through MN bioassay of erythrocytes and histopathological changes in Wallago attu and Cirrhinus mirigala in response to freshwater pollution. Saudi J Biol Sci 2019; 27:251-260. [PMID: 31889845 PMCID: PMC6933249 DOI: 10.1016/j.sjbs.2019.09.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 08/29/2019] [Accepted: 09/01/2019] [Indexed: 12/02/2022] Open
Abstract
The aim of this study was to determine the level of contamination and genotoxic impact through micronucleus assay and histopathology in Wallago attu and Cirrhinus mrigala procured from the polluted site of the River Chenab at industrial and sewage waste disposal. The water sample was found viciously contaminated with heavy metals i.e. Ni, Cr, Mn, Co, Pb, Hg, Zn, Sn, Cu while all other physio-chemical variables crossed the suggested limits of WHO. The heavy metals load induced histopathological alterations were correlated to environmental degradation and the productivity of this biological system. W. attu and C. mrigala harvested from contaminated sites of the river indicated higher intensity of DNA damage through micronucleus induction and nuclear abnormalities with 5.46 ± 0.17, 1.23 ± 0.08 and 4.2 ± 0.11, 0.4 ± 0.04‰ respectively. Muscle sections of W. attu and C. mrigala harvested from the polluted section of river demonstrated the necrosis, degeneration of muscle fibers, intra-fibular edema and release of the blood into the tissues due to the bursting of blocked of the blood vessels. Dermal layers showed degeneration of the collagen bundles those were found loose or collapsed in some regions. Photomicrography also revealed vacuolar degeneration in muscle tissues and atrophy of muscle bundles. Intra fibular edema and splitting of muscle fibers were also seen along with bioaccumulation of toxicants. W. attu showed maximum incidence of alterations with highest histopathological alteration index related to environmental degradation. Control fish samples showed normal muscle tissues with normal equally spaced muscle bundles and myotomes.
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Affiliation(s)
- Bilal Hussain
- Department of Zoology, Government College University, Faisalabad, Pakistan
| | - Maleeha Fatima
- Department of Zoology, Government College University, Faisalabad, Pakistan
| | - K A Al-Ghanim
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - F Al-Misned
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Shahid Mahboob
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
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Paravani EV, Simoniello MF, Poletta GL, Casco VH. Cypermethrin induction of DNA damage and oxidative stress in zebrafish gill cells. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 173:1-7. [PMID: 30743075 DOI: 10.1016/j.ecoenv.2019.02.004] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 01/29/2019] [Accepted: 02/01/2019] [Indexed: 06/09/2023]
Abstract
Cypermethrin (CYP) is a synthetic pyrethroid insecticide, used to control pests in domestic, industrial and agricultural environments. According to recent reports, it is one of the most common contaminants in freshwater aquatic systems. The aim of this study was to evaluate its potential genotoxic effect and the activation of the superoxide dismutase (SOD) and catalase (CAT) systems of adult zebrafish gill cells after in vivo exposure. The comet assay (CA) demonstrated that gill cells are sensitive to DNA damage after in vitro exposure to hydrogen peroxide (H2O2), showing a dose-dependent response. We also found an increase in DNA damage of gill cells following a dose- and time-dependent treatment with CYP. Moreover, it was verified that SOD and CAT activities significantly increased after exposure to 0.6 µg/L CYP, both during six and nine days. The same treatment caused a significant up-regulation of the mRNA levels of Mn-sod and cat genes. These data indicate that CYP causes gill cell's DNA damage and oxidative stress, modifying the activities of the enzymes responsible for maintaining ROS balance, as well as in their corresponding gene expression levels.
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Affiliation(s)
- E V Paravani
- Laboratorio de Microscopia Aplicada a Estudios Moleculares y Celulares, Facultad de Ingeniería, Universidad Nacional de Entre Ríos (UNER), Ruta 11 km 10, Oro Verde,3101, Entre Ríos, Argentina
| | - M F Simoniello
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, FBCB-UNL, Ciudad Universitaria, CC242 Paraje El Pozo S/N, (3000), Santa Fe, Argentina
| | - G L Poletta
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, FBCB-UNL, Ciudad Universitaria, CC242 Paraje El Pozo S/N, (3000), Santa Fe, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917 (C1033AAJ), CABA, Argentina
| | - V H Casco
- Laboratorio de Microscopia Aplicada a Estudios Moleculares y Celulares, Facultad de Ingeniería, Universidad Nacional de Entre Ríos (UNER), Ruta 11 km 10, Oro Verde,3101, Entre Ríos, Argentina; IBB-CONICET-UNER, Argentina.
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Pinheiro-Sousa DB, Torres Junior AR, Silva D, Santos RL, Fortes Carvalho Neta RN. A screening test based on hematological and histological biomarkers to evaluate the environmental impacts in tambaqui (Colossoma macropomum) from a protected area in Maranhão, Brazilian Amazon. CHEMOSPHERE 2019; 214:445-451. [PMID: 30273878 DOI: 10.1016/j.chemosphere.2018.09.146] [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: 06/03/2018] [Revised: 09/23/2018] [Accepted: 09/24/2018] [Indexed: 06/08/2023]
Abstract
Nowadays biomonitoring programs can benefit with mathematical models able to correlate biomarkers to monitor water pollution. The aim of this study was to develop a screening test based on hematological parameters and histological lesions in tambaqui (Colossoma macropomum), to allow the assessment of environmental impacts on fish inhabiting a protected area in Maranhão inside of Brazilian Amazon. Samples collected during three years (2012, 2013 and 2014) were grouped by season (dry and rainy) Water samples were also collected for physical chemistry analysis. Blood samples were stained with Acridine Orange to detect micronuclei and erythrocyte abnormalities. Gill tissues were stained with hematoxylin and counterstained with alcoholic eosin, and histopathological lesions were scored on a scale of 1-3, being 1 = minimal pathological importance, 2 = moderate pathological importance and 3 = marked pathological importance. A screening test for evaluating environmental impact was developed by fitting the measured data (necrosis, erythrocyte abnormalities, number of micronuclei) from tambaqui. A three-dimensional surface was fit to the empirical data. Our proposed model predicted the probability of necrosis (observed in euthanized animals) based on the numbers of micronuclei and abnormal erythrocytes (observed in blood samples from live animals) (correlation coefficient R = 0.89). The methodology could be applied for predicting contamination histories (chronic pollution that induces branchial lesions) in rivers using the micronucleus and erythrocyte abnormalities of the fishes (with a simple blood sample).
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Affiliation(s)
- Débora Batista Pinheiro-Sousa
- PhD Student in Biodiversity and Biotechnology of the Legal Amazon (Rede Bionorte, Brazil), Department of Environmental Engineering, Federal University of Maranhão (UFMA), Balsas, Maranhão, Brazil.
| | | | - Dilson Silva
- Applied Mathematics, State University of Rio de Janeiro (UERJ), Rio de Janeiro, Brazil
| | - Ricardo Luvizotto Santos
- Department of Oceanography and Limnology, Federal University of Maranhão (UFMA), São Luis, Maranhão, Brazil
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Davico CE, Loteste A, Parma MJ, Poletta G, Simoniello MF. Stress oxidative and genotoxicity in Prochilodus lineatus (Valenciennes, 1836) exposed to commercial formulation of insecticide cypermethrin. Drug Chem Toxicol 2018; 43:79-84. [PMID: 30192683 DOI: 10.1080/01480545.2018.1497643] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
The use of toxic pesticides has become a world problem because they can contaminate streams and rivers, producing an adverse impact on non-target aquatic biota, including fishes. Cypermethrin is one of the most important insecticides to control ectoparasites in wide-scale. The aim of this study was to evaluate the effect of commercial formulations of cypermethrin, SHERPA O (0.0, 0.075, 0.15, and 0.3 µg/L of cypermethrin) in fish Prochilodus lineatus for 96 h in semi-static condition, using biomarkers of genotoxicity: micronucleus frequency (MNF) in erythrocytes and biomarkers of oxidative damage: lipid peroxidation (TBARS) and antioxidant defenses, catalase (CAT) and glutathione (GSH) in liver tissue. Our results showed a significant decrease (p < 0.05) of CAT at pesticide concentrations of 0.150 and 0.300 μg/L, but no significant difference was observed in TBARS or GSH in any exposed group (p > 0.05) in comparison to the control. A significant increase was observed in the MNF in the group exposed to 0.3 μg/L of cypermethrin compared to negative control (p < 0.05). Finally, P. lineatus proved to be a sensitive species to the commercial formulations of cypermethrin and that CAT and MNF are effective indicators of these toxic effects.
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Affiliation(s)
- C E Davico
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe, Argentina
| | - A Loteste
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe, Argentina.,Instituto Nacional de Limnología, CONICET-UNL, Ciudad Universitaria, Santa Fe, Argentina
| | - M J Parma
- Instituto Nacional de Limnología, CONICET-UNL, Ciudad Universitaria, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CABA, Argentina
| | - G Poletta
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe, Argentina.,Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), CABA, Argentina
| | - M F Simoniello
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Ciudad Universitaria, Santa Fe, Argentina
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13
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Tasneem S, Yasmeen R. Induction of Micronuclei and Erythrocytic Nuclear Abnormalities in Peripheral Blood of Fish Cyprinus carpio on Exposure to Karanjin. IRANIAN JOURNAL OF TOXICOLOGY 2018. [DOI: 10.29252/arakmu.12.2.37] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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14
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Weldetinsae A, Dawit M, Getahun A, Patil HS, Alemayehu E, Gizaw M, Abate M, Abera D. Aneugenicity and clastogenicity in freshwater fish Oreochromis niloticus exposed to incipient safe concentration of tannery effluent. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 138:98-104. [PMID: 28024242 DOI: 10.1016/j.ecoenv.2016.10.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 10/17/2016] [Accepted: 10/22/2016] [Indexed: 06/06/2023]
Abstract
Conventional effluent bioassays mostly rely on overt responses or endpoints such as apical and Darwinian fitness. Beyond the empirical observation, laboratory toxicity testing needs to rely on effective detection of prognostic biomarkers such as genotoxicity. Indeed, characterization of tannery effluent requires slotting in of genotoxic responses in whole effluent toxicity testing procedures. Hence, the prime objective of the present experimental investigation is to apply the technique of biological assay as a tool of toxicity testing to evaluate the induction of micronuclei (MN) in peripheral erythrocytes, and exfoliated cells of gill and kidney of O.niloticus exposed to Maximum tolerable concentrations (MTCs) of composite Modjo tannery effluent (CMTE) and to compare the sensitivity of each cells origin to the induction of MN. After 72h of exposure, cellular aberrations were detected using MN and nuclear abnormality (NA) tests. The induction of MN was significantly higher in exposed groups (P<0.05) when compared to the control group; moreover the tissue specific MN response was in the order, gill cells>peripheral erythrocyte>kidney. Total NA was found to increase significantly (P<0.05), when compared to the non-exposed group. NA was also further ramified as blebbed (BL), bi-nucleated (BN), lobbed (LB) and notched (NT) abnormalities. The result of each endpoint measured has demonstrated that at a concentration of total chromium (0.1, 0.73 and 1.27mg/L), a perceptible amount cellular aberration was measured, further implicating somber treat of genotoxicity to fishes, if exposed to water contaminated with tannery effluent. This further highlight that conventional effluent monitoring alone cannot reveal the effects expressed at cellular and genetic levels further demanding the incorporation of effluent bioassays in risk assessment and risk management/abatement programs.
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Affiliation(s)
- Abel Weldetinsae
- Ethiopian Public Health Institute, Department of Environmental Public Health Research, Ethiopia.
| | - Mekibib Dawit
- Addis Ababa University, Center for Environmental Sciences, Ethiopia
| | - Abebe Getahun
- Addis Ababa University, Department of Zoological Sciences, Ethiopia
| | - H S Patil
- Addis Ababa University, Center for Environmental Sciences, Ethiopia
| | | | - Melaku Gizaw
- Ethiopian Public Health Institute, Department of Environmental Public Health Research, Ethiopia
| | - Moa Abate
- Ethiopian Public Health Institute, Department of Environmental Public Health Research, Ethiopia
| | - Daniel Abera
- Ethiopian Public Health Institute, Department of Environmental Public Health Research, Ethiopia
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15
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Ismail M, Ali R, Shahid M, Khan MA, Zubair M, Ali T, Mahmood Khan Q. Genotoxic and hematological effects of chlorpyrifos exposure on freshwater fish Labeo rohita. Drug Chem Toxicol 2017; 41:22-26. [DOI: 10.1080/01480545.2017.1280047] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Muhammad Ismail
- Environmental Toxicology Laboratory, Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan,
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan,
| | - Rahat Ali
- Environmental Toxicology Laboratory, Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan,
| | - Muhammad Shahid
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan,
| | - Muhammad Asaf Khan
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan,
| | - Muhammad Zubair
- Department of Bioinformatics and Biotechnology, Government College University, Faisalabad, Pakistan,
| | - Tayyaba Ali
- Department of Zoology, Government College University, Faisalabad, Pakistan
| | - Qaiser Mahmood Khan
- Environmental Toxicology Laboratory, Environmental Biotechnology Division, National Institute for Biotechnology and Genetic Engineering (NIBGE), Faisalabad, Pakistan,
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16
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Rocha CAMD, Pessoa CMF, Rodrigues CAC, Pinheiro RHDS, Costa ETD, Guimarães AC, Burbano RR. Investigation into the cytotoxicity and mutagenicity of the Marajó Archipelago waters using Plagioscion squamosissimus (Perciformes: Sciaenidae) as a bioindicator. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 132:111-115. [PMID: 27290641 DOI: 10.1016/j.ecoenv.2016.05.020] [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: 11/23/2015] [Revised: 05/23/2016] [Accepted: 05/24/2016] [Indexed: 06/06/2023]
Abstract
Maintaining water quality within tolerable limits is a basic need of the riverside communities in the Amazon. Using endemic aquatic organisms as biological models is useful for monitoring the environment. In this study, potential cytotoxic and genotoxic damages in Plagioscion squamosissimus (commonly known as silver croaker) from the Marajó Archipelago were evaluated using a flow cytometry assay and a survey of micronuclei (MN) frequency as well as other nuclear abnormalities (NA). P. squamosissimus specimens were collected at four locations in the Marajó Archipelago. Blood samples from these fish were used in the flow cytometry assay and piscine micronucleus test, and the resulting data were analyzed using analysis of variance (ANOVA). We did not observe a difference in the erythrocyte cell cycle distribution among the samples (P=0.9992), which suggests the absence of cytotoxic agent-induced apoptosis. The piscine micronucleus test exhibited differences in the samples from São Sebastião da Boa Vista (SSBV), and those from Anajás produced the highest mutagenicity indices. The MN frequencies were low for all groups, but the groups exhibited significantly different frequencies (P=0.0033). Reniform nuclei, nuclei with extensions, and lobed nuclei were combined and considered NA. The frequency differences for these NA were significant among sampling sites (P <0.0001). This report is the first to use flow cytometry in fish to evaluate cytotoxic agent-induced apoptosis. The micronucleus test results indicate the presence of pollutants that can change the genetic material of the fish studied. We also demonstrate that the Amazonian fish P. squamosissimus is important not only as a comestible species but also as an adequate model for biomonitoring in aquatic environments.
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Affiliation(s)
- Carlos Alberto Machado da Rocha
- Fishery and Agribusiness Resource Coordination (Coordenação de Recursos Pesqueiros e Agronegócio), Federal Institute of Education, Science and Technology of Pará (Instituto Federal de Educação, Ciência e Tecnologia do Pará), Belém, Pará, Brazil.
| | - Carla Mariana Ferreira Pessoa
- Coordination of Biological Sciences (Coordenação de Ciências Biológicas), Federal Institute of Education, Science and Technology of Pará (Instituto Federal de Educação, Ciência e Tecnologia do Pará), Belém, Pará, Brazil.
| | - Claudia Antonia Campos Rodrigues
- Social, Environmental and Water Resources Institute (Instituto Sócio Ambiental e Recursos Hídricos), Federal Rural University of Amazonia (Universidade Federal Rural da Amazônia), Belém, Pará, Brazil.
| | - Raul Henrique da Silva Pinheiro
- Social, Environmental and Water Resources Institute (Instituto Sócio Ambiental e Recursos Hídricos), Federal Rural University of Amazonia (Universidade Federal Rural da Amazônia), Belém, Pará, Brazil.
| | - Edmar Tavares da Costa
- Experimental Neuropathology Laboratory (Laboratório de Neuropatologia Experimental - LaNEx), Hospital Universitário Barros Barreto, Belém, Pará, Brazil.
| | - Adriana Costa Guimarães
- Laboratory of Human Cytogenetics and Genetic Toxicology (Laboratório de Citogenética Humana e Genética Toxicológica), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil.
| | - Rommel Rodríguez Burbano
- Laboratory of Human Cytogenetics and Genetic Toxicology (Laboratório de Citogenética Humana e Genética Toxicológica), Federal University of Pará (Universidade Federal do Pará), Belém, Pará, Brazil.
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17
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Zhang Y, Dong S, Wang H, Tao S, Kiyama R. Biological impact of environmental polycyclic aromatic hydrocarbons (ePAHs) as endocrine disruptors. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2016; 213:809-824. [PMID: 27038213 DOI: 10.1016/j.envpol.2016.03.050] [Citation(s) in RCA: 193] [Impact Index Per Article: 24.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 03/03/2016] [Accepted: 03/20/2016] [Indexed: 05/20/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are often detected in the environment and are regarded as endocrine disruptors. We here designated mixtures of PAHs in the environment as environmental PAHs (ePAHs) to discuss their effects collectively, which could be different from the sum of the constituent PAHs. We first summarized the biological impact of environmental PAHs (ePAHs) found in the atmosphere, sediments, soils, and water as a result of human activities, accidents, or natural phenomena. ePAHs are characterized by their sources and forms, followed by their biological effects and social impact, and bioassays that are used to investigate their biological effects. The findings of the bioassays have demonstrated that ePAHs have the ability to affect the endocrine systems of humans and animals. The pathways that mediate cell signaling for the endocrine disruptions induced by ePAHs and PAHs have also been summarized in order to obtain a clearer understanding of the mechanisms responsible for these effects without animal tests; they include specific signaling pathways (MAPK and other signaling pathways), regulatory mechanisms (chromatin/epigenetic regulation, cell cycle/DNA damage control, and cytoskeletal/adhesion regulation), and cell functions (apoptosis, autophagy, immune responses/inflammation, neurological responses, and development/differentiation) induced by specific PAHs, such as benz[a]anthracene, benzo[a]pyrene, benz[l]aceanthrylene, cyclopenta[c,d]pyrene, 7,12-dimethylbenz[a]anthracene, fluoranthene, fluorene, 3-methylcholanthrene, perylene, phenanthrene, and pyrene as well as their derivatives. Estrogen signaling is one of the most studied pathways associated with the endocrine-disrupting activities of PAHs, and involves estrogen receptors and aryl hydrocarbon receptors. However, some of the actions of PAHs are contradictory, complex, and unexplainable. Although several possibilities have been suggested, such as direct interactions between PAHs and receptors and the suppression of their activities through other pathways, the mechanisms underlying the activities of PAHs remain unclear. Thus, standardized assay protocols for pathway-based assessments are considered to be important to overcome these issues.
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Affiliation(s)
- Yanyan Zhang
- College of Urban and Environmental Sciences, Peking University, Beijing 100871, PR China
| | - Sijun Dong
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China
| | - Hongou Wang
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, PR China
| | - Shu Tao
- College of Urban and Environmental Sciences, Peking University, Beijing 100871, PR China
| | - Ryoiti Kiyama
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Ibaraki 305-8566, Japan.
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18
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Rocha ACS, Reis-Henriques MA, Galhano V, Ferreira M, Guimarães L. Toxicity of seven priority hazardous and noxious substances (HNSs) to marine organisms: Current status, knowledge gaps and recommendations for future research. THE SCIENCE OF THE TOTAL ENVIRONMENT 2016; 542:728-749. [PMID: 26546768 DOI: 10.1016/j.scitotenv.2015.10.049] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2015] [Revised: 10/07/2015] [Accepted: 10/08/2015] [Indexed: 06/05/2023]
Abstract
Shipping industry and seaborne trade have rapidly increased over the last fifty years, mainly due to the continuous increasing demand for chemicals and fuels. Consequently, despite current regulations, the occurrence of accidental spills poses an important risk. Hazardous and noxious substances (HNSs) have been raising major concern among environmental managers and scientific community for their heterogeneity, hazardous potential towards aquatic organisms and associated social-economic impacts. A literature review on ecotoxicological hazards to aquatic organisms was conducted for seven HNSs: acrylonitrile, n-butyl acrylate, cyclohexylbenzene, hexane, isononanol, trichloroethylene and xylene. Information on the mechanisms of action of the selected HNS was also reviewed. The main purpose was to identify: i) knowledge gaps in need of being addressed in future research; and ii) a set of possible biomarkers suitable for ecotoxicological assessment and monitoring in both estuarine and marine systems. Main gaps found concern the scarcity of information available on ecotoxicological effects of HNS towards marine species and their poorly understood mode of action in wildlife. Differences were found between the sensitivity of freshwater and seawater organisms, so endpoints produced in the former may not be straightforwardly employed in evaluations for the marine environment. The relationship between sub-individual effects and higher level detrimental alterations (e.g. behavioural, morphological, reproductive effects and mortality) are not fully understood. In this context, a set of biomarkers associated to neurotoxicity, detoxification and anti-oxidant defences is suggested as potential indicators of toxic exposure/effects of HNS in marine organisms. Overall, to support the development of contingency plans and the establishment of environmental safety thresholds, it will be necessary to undertake targeted research on HNS ecotoxicity in the marine environment. Research should address these issues under more realistic exposure scenarios reflecting the prevailing spatial and temporal variability in ecological and environmental conditions.
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Affiliation(s)
- A Cristina S Rocha
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Rua dos Bragas, 289, 4050-123 Porto, Portugal.
| | - Maria Armanda Reis-Henriques
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Rua dos Bragas, 289, 4050-123 Porto, Portugal
| | - Victor Galhano
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Rua dos Bragas, 289, 4050-123 Porto, Portugal
| | - Marta Ferreira
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Rua dos Bragas, 289, 4050-123 Porto, Portugal.
| | - Laura Guimarães
- Centro Interdisciplinar de Investigação Marinha e Ambiental (CIIMAR/CIMAR), Universidade do Porto, Rua dos Bragas, 289, 4050-123 Porto, Portugal
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Kumar G, Dwivedi S. Induced Nuclear Pleomorphism in Pollen Mother Cells of Crotalaria juncea L. (Sunnhemp). CYTOLOGIA 2016. [DOI: 10.1508/cytologia.81.323] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Girjesh Kumar
- Naithani Plant Genetics Laboratory, Department of Botany, University of Allahabad
| | - Saumil Dwivedi
- Naithani Plant Genetics Laboratory, Department of Botany, University of Allahabad
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20
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Fatima M, Usmani N, Firdaus F, Zafeer MF, Ahmad S, Akhtar K, Dawar Husain SM, Ahmad MH, Anis E, Mobarak Hossain M. In vivo induction of antioxidant response and oxidative stress associated with genotoxicity and histopathological alteration in two commercial fish species due to heavy metals exposure in northern India (Kali) river. Comp Biochem Physiol C Toxicol Pharmacol 2015; 176-177:17-30. [PMID: 26191657 DOI: 10.1016/j.cbpc.2015.07.004] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2015] [Revised: 07/03/2015] [Accepted: 07/08/2015] [Indexed: 11/18/2022]
Abstract
Heavy metals can significantly bioaccumulate in fish tissues. The step wise mechanism of heavy metal toxicities on fish health is still limited. The present study assessed the tissue-specific antioxidant response and oxidative stress biomarkers of commercially important fish species namely, Channa striatus and Heteropneustes fossilis inhabiting Kali River of northern India where heavy-metal load is beyond the World Health Organisation - maximum permissible limits. Heavy metals chromium (Cr), nickel (Ni), lead (Pb) and cadmium (Cd) were elevated in both fish species compared to recommended values of the Federal Environmental Protection Agency (FEPA), 1999 for edible fishes. Reduced glutathione (GSH), superoxide dismutase (SOD) and catalase (CATA) activities in all tissues (brachial, neural, renal and hepatic) were altered. Cellular lipid and protein compromisation in both fishes induced by heavy metals was determined by lipid peroxidation (LPO) and protein carbonylation (PC) assays. Micronucleus (MN) test of erythrocytes and comet assay of liver cells confirmed genotoxicity. Histopathology of the liver, kidney and brain of affected fishes was distorted significantly with its reference fishes thereby affecting the quality and quantity of these fish stocks. This raises a serious concern as these fishes are consumed by the local population which would ultimately affect human health.
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Affiliation(s)
- Mahino Fatima
- Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002 U.P., India; Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, India.
| | - Nazura Usmani
- Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002 U.P., India
| | - Fakiha Firdaus
- Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002 U.P., India; Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Mohammad Faraz Zafeer
- Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Shafeeque Ahmad
- Department of Biochemistry, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Kafil Akhtar
- Department of Pathology, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - S M Dawar Husain
- Department of Anatomy, Jawaharlal Nehru Medical College, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Mir Hilal Ahmad
- Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002 U.P., India; Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - Ehraz Anis
- Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
| | - M Mobarak Hossain
- Interdisciplinary Brain Research Centre, Faculty of Medicine, Aligarh Muslim University, Aligarh, India
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21
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Çakal Arslan Ö, Boyacioğlu M, Parlak H, Katalay S, Karaaslan MA. Assessment of micronuclei induction in peripheral blood and gill cells of some fish species from Aliağa Bay Turkey. MARINE POLLUTION BULLETIN 2015; 94:48-54. [PMID: 25805583 DOI: 10.1016/j.marpolbul.2015.03.018] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Revised: 03/06/2015] [Accepted: 03/09/2015] [Indexed: 06/04/2023]
Abstract
The aim of this paper was to assess the biological damages in fish caused by various mutagenic agents present in polluted waters of Aliağa Bay. For this purpose, micronuclei (MN) test was performed using peripheral erythrocytes and gill cells of different fish specimens caught from both polluted and relatively clean sites from Aliağa Bay (Turkey). Micronuclei tests is a system of mutagenicity testing used for determining changes in DNA fragments such as micronuclei in the cytoplasm of interphase cells caused by the pollution and chemicals in the environment. Thus, it was attempted to determine whether pollution affected the erythrocytes and gills of fish living in Aliağa Bay at the level of DNA by the means of micronuclei (MN) test. According to the results of present study, frequency of MN was found at high level in polluted site. In conclusion, this study indicates that the micronuclei test gives sensitive results in monitoring the pollution, especially the pollution of harbor, and thus it might be used as standard method in regularly monitoring pollution of coastal ecosystem.
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Affiliation(s)
| | | | - Hatice Parlak
- Faculty of Fisheries, Ege University, 35100 Bornova, Izmir, Turkey
| | - Selma Katalay
- Celal Bayar University, Faculty of Arts & Sciences, Biology Department, Manisa, Turkey
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22
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Le Bihanic F, Sommard V, Perrine DL, Pichon A, Grasset J, Berrada S, Budzinski H, Cousin X, Morin B, Cachot J. Environmental concentrations of benz[a]anthracene induce developmental defects and DNA damage and impair photomotor response in Japanese medaka larvae. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2015; 113:321-8. [PMID: 25528488 DOI: 10.1016/j.ecoenv.2014.12.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2014] [Revised: 12/03/2014] [Accepted: 12/07/2014] [Indexed: 05/12/2023]
Abstract
Benz[a]anthracene (BaA) is a ubiquitous polycyclic aromatic hydrocarbon found in numerous aquatic ecosystems. However, ecotoxicological data in aquatic organisms are scarce. To remedy this lack of data, Japanese medaka (Oryzias latipes) embryos were exposed to BaA and toxic effects were investigated at multiple toxicological endpoints. Japanese medaka embryos were incubated onto BaA-spiked artificial sediment for 9 days at low or moderate environmental concentrations ranging from 0.9 to 12 µgg(-1) dw. BaA-exposed embryos exhibited significant tachycardia. BaA exposure was also shown to increase CYP1A activity in the hepato-biliary tissue as well as craniofacial deformities and DNA damage in pro-larvae. The photomotor response of BaA-exposed larvae was reduced in comparison to the control group. According to this set of tests, the lowest tested and observed effect concentration (LOEC) for Japanese medaka early life stages was equivalent to 0.92 µgg(-1) dw of BaA. This concentration fall into the range of concentrations frequently encountered in sediments of polluted aquatic ecosystems. Taking into consideration these results, BaA represents a threat for fish early life stages in particular those developing onto or into contaminated sediments.
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Affiliation(s)
| | - Vivien Sommard
- University of Bordeaux, EPOC, UMR CNRS 5805, 33405 Talence, France
| | | | - Anaïk Pichon
- University of Bordeaux, EPOC, UMR CNRS 5805, 33405 Talence, France
| | - Julie Grasset
- University of Bordeaux, EPOC, UMR CNRS 5805, 33405 Talence, France
| | | | - Hélène Budzinski
- University of Bordeaux, EPOC, UMR CNRS 5805, 33405 Talence, France
| | - Xavier Cousin
- IFREMER, Ecotoxicology Laboratory, Place Gaby Coll, BP7, 17137 L'Houmeau, France; INRA LPGP, Campus de Beaulieu, 35042 Rennes, France
| | - Bénédicte Morin
- University of Bordeaux, EPOC, UMR CNRS 5805, 33405 Talence, France
| | - Jérôme Cachot
- University of Bordeaux, EPOC, UMR CNRS 5805, 33405 Talence, France.
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Gutiérrez JM, Villar S, Acuña Plavan A. Micronucleus test in fishes as indicators of environmental quality in subestuaries of the Río de la Plata (Uruguay). MARINE POLLUTION BULLETIN 2015; 91:518-523. [PMID: 25455785 DOI: 10.1016/j.marpolbul.2014.10.027] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2014] [Revised: 10/06/2014] [Accepted: 10/15/2014] [Indexed: 06/04/2023]
Abstract
Genotoxic agents may exert damage that may be active through following generations. Micronuclei are cytoplasmic chromatin masses outside the main cell nucleus, indicators of chromosomal damage. This study applied micronuclei test to evaluate genetic damage of fish in three breeding and nursery areas of commercially important fishes exposed to differing degrees of anthropogenic impact: Pando, Solís Chico and Solís Grande sub-estuaries. The micronuclei test revealed differences in the presence and concentrations of genotoxic components in these sub-estuaries. Fish in the urban and industrialized Pando sub-estuary presented the highest percentages of micronuclei. The absence of seasonal changes in micronuclei in Pando fish could be explained by physical characteristics of the sub-estuary and by regional weather conditions. Odontesthes argentinensis (Valenciennes, 1835) was the species most susceptible to genotoxic components. It is recommended the use of a battery of biomarkers to better explain the health of organisms in that important nursery area.
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Affiliation(s)
- Juan Manuel Gutiérrez
- Sección Oceanografía y Ecología Marina, Facultad de Ciencias, UdelaR, Montevideo, Uruguay; Servicio de MEB, Epifluorescencia y EDS, Facultad de Ciencias, UdelaR, Montevideo, Uruguay.
| | - Silvia Villar
- Servicio de MEB, Epifluorescencia y EDS, Facultad de Ciencias, UdelaR, Montevideo, Uruguay
| | - Alicia Acuña Plavan
- Sección Oceanografía y Ecología Marina, Facultad de Ciencias, UdelaR, Montevideo, Uruguay
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24
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Obiakor M, Okonkwo J, Ezeonyejiaku C. Genotoxicity of freshwater ecosystem shows DNA damage in preponderant fish as validated by in vivo micronucleus induction in gill and kidney erythrocytes. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2014; 775-776:20-30. [DOI: 10.1016/j.mrgentox.2014.09.010] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2014] [Revised: 09/25/2014] [Accepted: 09/27/2014] [Indexed: 11/29/2022]
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25
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Le Bihanic F, Clérandeau C, Le Menach K, Morin B, Budzinski H, Cousin X, Cachot J. Developmental toxicity of PAH mixtures in fish early life stages. Part II: adverse effects in Japanese medaka. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:13732-43. [PMID: 24595754 DOI: 10.1007/s11356-014-2676-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 02/19/2014] [Indexed: 05/26/2023]
Abstract
In aquatic environments, polycyclic aromatic hydrocarbons (PAHs) mostly occur as complex mixtures, for which risk assessment remains problematic. To better understand the effects of PAH mixture toxicity on fish early life stages, this study compared the developmental toxicity of three PAH complex mixtures. These mixtures were extracted from a PAH-contaminated sediment (Seine estuary, France) and two oils (Arabian Light and Erika). For each fraction, artificial sediment was spiked at three different environmental concentrations roughly equivalent to 0.5, 4, and 10 μg total PAH g(-1) dw. Japanese medaka embryos were incubated on these PAH-spiked sediments throughout their development, right up until hatching. Several endpoints were recorded at different developmental stages, including acute endpoints, morphological abnormalities, larvae locomotion, and genotoxicity (comet and micronucleus assays). The three PAH fractions delayed hatching, induced developmental abnormalities, disrupted larvae swimming activity, and damaged DNA at environmental concentrations. Differences in toxicity levels, likely related to differences in PAH proportions, were highlighted between fractions. The Arabian Light and Erika petrogenic fractions, containing a high proportion of alkylated PAHs and low molecular weight PAHs, were more toxic to Japanese medaka early life stages than the pyrolytic fraction. This was not supported by the toxic equivalency approach, which appeared unsuitable for assessing the toxicity of the three PAH fractions to fish early life stages. This study highlights the potential risks posed by environmental mixtures of alkylated and low molecular weight PAHs to early stages of fish development.
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Affiliation(s)
- Florane Le Bihanic
- UMR CNRS 5805 EPOC, University of Bordeaux, avenue des Facultés, 33405, Talence Cedex, France
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Larcher T, Perrichon P, Vignet C, Ledevin M, Le Menach K, Lyphout L, Landi L, Clerandeau C, Lebihanic F, Ménard D, Burgeot T, Budzinski H, Akcha F, Cachot J, Cousin X. Chronic dietary exposure of zebrafish to PAH mixtures results in carcinogenic but not genotoxic effects. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:13833-13849. [PMID: 24777325 DOI: 10.1007/s11356-014-2923-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 04/15/2014] [Indexed: 06/03/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants that can be present at high levels as mixtures in polluted aquatic environments. Many PAHs are potent mutagens and several are well-known carcinogens. Despite numerous studies on individual compounds, little is known about the toxicity of PAHs mixtures that are encountered in environmental situations. In the present work, zebrafish were continuously fed from 5 days post-fertilisation to 14 months post-fertilisation (mpf) with a diet spiked with fractions of either pyrolytic (PY), petrogenic light oil (LO), or petrogenic heavy oil (HO) origin at three concentrations. A decrease in survival was identified after 3 mpf in fish fed with the highest concentration of HO or LO, but not for PY. All PAH fractions caused preneoplastic and neoplastic disorders in long-term-exposed animals. Target tissues were almost exclusively of epithelial origin, with the bile duct epithelium being the most susceptible to chronic exposure to all PAH fractions, and with germ cells being the second most responsive cells. Significantly higher incidences of neoplasms were observed with increasing PAH concentration and exposure duration. The most severe carcinogenic effects were induced by dietary exposure to HO compared to exposure to LO or PY (45, 30 and 7 %, respectively, after 9 to 10 months of exposure to an intermediate concentration of PAHs). In contrast, earliest carcinogenic effects were detected as soon as 3 mpf after exposure to LO, including the lowest concentration, or to PY. PAH bioactivation and genotoxicity in blood was assessed by ethoxyresorufin-O-deethylase activity quantification and comet and micronuclei assays, respectively, but none of these were positive. Chronic dietary exposure of zebrafish to PAH mixtures results in carcinogenotoxic events that impair survival and physiology of exposed fish.
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Affiliation(s)
- T Larcher
- INRA, UMR 703 APEX, 44307, Nantes, France,
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Le Bihanic F, Morin B, Cousin X, Le Menach K, Budzinski H, Cachot J. Developmental toxicity of PAH mixtures in fish early life stages. Part I: adverse effects in rainbow trout. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2014; 21:13720-13731. [PMID: 24687795 DOI: 10.1007/s11356-014-2804-0] [Citation(s) in RCA: 37] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 03/12/2014] [Indexed: 06/03/2023]
Abstract
A new gravel-contact assay using rainbow trout, Oncorhynchus mykiss, embryos was developed to assess the toxicity of polycyclic aromatic hydrocarbons (PAHs) and other hydrophobic compounds. Environmentally realistic exposure conditions were mimicked with a direct exposure of eyed rainbow trout embryos incubated onto chemical-spiked gravels until hatching at 10 °C. Several endpoints were recorded including survival, hatching delay, hatching success, biometry, developmental abnormalities, and DNA damage (comet and micronucleus assays). This bioassay was firstly tested with two model PAHs, fluoranthene and benzo[a]pyrene. Then, the method was applied to compare the toxicity of three PAH complex mixtures characterized by different PAH compositions: a pyrolytic extract from a PAH-contaminated sediment (Seine estuary, France) and two petrogenic extracts from Arabian Light and Erika oils, at two environmental concentrations, 3 and 10 μg g(-1) sum of PAHs. The degree and spectrum of toxicity were different according to the extract considered. Acute effects including embryo mortality and decreased hatching success were observed only for Erika oil extract. Arabian Light and pyrolytic extracts induced mainly sublethal effects including reduced larvae size and hemorrhages. Arabian Light and Erika extracts both induced repairable DNA damage as revealed by the comet assay versus the micronucleus assay. The concentration and proportion of methylphenanthrenes and methylanthracenes appeared to drive the toxicity of the three PAH fractions tested, featuring a toxic gradient as follows: pyrolytic < Arabian Light < Erika. The minimal concentration causing developmental defects was as low as 0.7 μg g(-1) sum of PAHs, indicating the high sensitivity of the assay and validating its use for toxicity assessment of particle-bound pollutants.
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Affiliation(s)
- Florane Le Bihanic
- University of Bordeaux, EPOC, UMR CNRS 5805, 351 cours de la liberation, 33405, Talence Cedex, France
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Yazıcı Z, Sişman T. Genotoxic effects of water pollution on two fish species living in Karasu River, Erzurum, Turkey. ENVIRONMENTAL MONITORING AND ASSESSMENT 2014; 186:8007-8016. [PMID: 25117493 DOI: 10.1007/s10661-014-3983-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2014] [Accepted: 07/25/2014] [Indexed: 06/03/2023]
Abstract
Karasu River, which is the only river in the Erzurum plain, is the source of the Euphrates River (Eastern Anatolia of Turkey). The river is in a serious environmental situation as a result of pollution by agricultural and industrial sewage and domestic discharges. The present study aims to evaluate genotoxic effects of toxic metals in chub, Leuciscus cephalus, and transcaucasian barb, Capoeta capoeta, collected from contaminated site of the Karasu River, in comparison with fish from an unpolluted reference site. Heavy metal concentrations in surface water of the river were determined. The condition factor (CF) was taken as a general biomarker of the health of the fish, and genotoxicity assays such as micronucleus (MN) and other nuclear abnormalities (NA) were carried out on the fish species studied. MN and NA such as kidney-shaped nucleus, notched nucleus, binucleated, lobed nucleus, and blebbed nucleus were assessed in peripheral blood erythrocytes, gill epithelial cells, and liver cells of the fish. A significant decrease in CF values associated with a significant elevation in MN and NA frequencies was observed in fish collected from the polluted sites compared with those from the reference site. Results of the current study show the significance of integrating a set of biomarkers to identify the effects of anthropogenic pollution. High concentrations of heavy metals have a potential genotoxic effects, and the toxicity is possibly related to industrial, agricultural, and domestic activities.
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Affiliation(s)
- Zehra Yazıcı
- Science Faculty, Biology Department, Atatürk University, 25240, Erzurum, Turkey
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Fatima M, Usmani N, Mobarak Hossain M, Siddiqui MF, Zafeer MF, Firdaus F, Ahmad S. Assessment of genotoxic induction and deterioration of fish quality in commercial species due to heavy-metal exposure in an urban reservoir. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2014; 67:203-213. [PMID: 24756201 DOI: 10.1007/s00244-014-0024-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2013] [Accepted: 03/25/2014] [Indexed: 06/03/2023]
Abstract
The aim of the study was to evaluate the effect of heavy-metal contamination on two fish species (Channa striatus and Heteropneustes fossilis) inhabiting a small freshwater body of northern India. After being captured, each specimen was weighed, measured, and analyzed for heavy metals (chromium [Cr], nickel [Ni], and lead [Pb]). Accumulation of heavy metals was found to be significantly greater (p < 0.05) in different tissues (gill, liver, kidney, and muscle) of fishes captured from the reservoir than from the reference site. Levels of heavy-metal contamination in Shah jamal water was Cr (1.51 mg/l) > Ni (1.22 mg/l) > Pb (0.38 mg/l), which is significantly greater than World Health Organization standards. Bioaccumulation factor was calculated, and it was observed that Pb was most detrimental heavy metal. Condition factor was also influenced. Micronucleus test of fish erythrocytes and comet assay of liver cells confirmed genotoxicity induced by heavy-metal contamination in fishes. Heavy metals (Cr, Ni, and Pb) were increased in both fish species as determined using recommended values of Federal Environmental Protection Agency for edible fishes. This raises a serious concern because these fishes are consumed by the local populations and hence would ultimately affect human health.
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Affiliation(s)
- Mahino Fatima
- Aquatic Toxicology Research Laboratory, Department of Zoology, Faculty of Life Sciences, Aligarh Muslim University, Aligarh, 202002, U.P., India,
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Ordzhonikidze CG, Demidova TB, Krysanov EY. Evaluation of genetic homeostasis in animals at different stages of ontogenesis in the environment. Russ J Dev Biol 2014. [DOI: 10.1134/s1062360414030035] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Genotoxicity and Estrogenic Activity of 3,3′-Dinitrobisphenol A in Goldfish. Biosci Biotechnol Biochem 2014; 72:2118-23. [DOI: 10.1271/bbb.80193] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Ismail M, Khan QM, Ali R, Ali T, Mobeen A. Genotoxicity of chlorpyrifos in freshwater fishLabeo rohitausing Alkaline Single-Cell Gel Electrophoresis (Comet) assay. Drug Chem Toxicol 2014; 37:466-71. [DOI: 10.3109/01480545.2014.887093] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Poletta GL, Gigena F, Loteste A, Parma MJ, Kleinsorge EC, Simoniello MF. Comet assay in gill cells of Prochilodus lineatus exposed in vivo to cypermethrin. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2013; 107:385-390. [PMID: 24267701 DOI: 10.1016/j.pestbp.2013.10.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2013] [Revised: 10/07/2013] [Accepted: 10/09/2013] [Indexed: 06/02/2023]
Abstract
Agricultural chemicals can induce genetic alterations on aquatic organisms that have been associated with effects on growth, reproduction and population dynamics. The evaluation of DNA damage in fish using the comet assay (CA) frequently involves the utilization of erythrocytes. However, epithelial gill cells (EGC) can be more sensitive, as they are constantly dividing and in direct contact with potentially stressing compounds from the aquatic environment. The aim of the present study was to evaluate (1) the sensitivity and suitability of epithelial gill cells of Prochilodus lineatus in response to different genotoxic agents through the application of the CA, (2) the induction of DNA damage in this cell population after in vivo exposure to cypermethrin. Baseline value of the CA damage index (DI) for EGC of juvenile P. lineatus was 144.68±5.69. Damage increased in a dose-dependent manner after in vitro exposure of EGC to methyl methanesulfonate (MMS) and H2O2, two known genotoxic agents. In vivo exposure of fish to cypermethrin induced a significant increase in DNA DI of EGC at 0.150μg/l (DI: 239.62±6.21) and 0.300μg/l (270.63±2.09) compared to control (150.25±4.38) but no effect was observed at 0.075μg/l (168.50±10.77). This study shows that EGC of this species are sensitive for the application of the CA, demonstrating DNA damage in response to alkylation (MMS), oxidative damage (H2O2), and to the insecticide cypermethryn. These data, together with our previous study on DNA damage induction on erythrocytes of this species, provides useful information for future work involving biomonitoring in regions where P. lineatus is naturally exposed to pesticides and other genotoxic agents.
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Affiliation(s)
- G L Poletta
- Cátedra de Toxicología, Farmacología y Bioquímica Legal, Facultad de Bioquímica y Ciencias Biológicas, UNL, Ciudad Universitaria, Paraje El Pozo S/N (3000), Santa Fe, Argentina; Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Av. Rivadavia 1917, (C1033AAJ) CABA, Argentina.
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Pimenta VMSD, da Silva JM, Nepomuceno JC, Pavanin LA. In situ assessment of the paraguay river water, in Brazilian Pantanal, by means of micronucleus assay with fish and chemical analysis. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2013; 90:427-433. [PMID: 23283532 DOI: 10.1007/s00128-012-0935-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2012] [Accepted: 12/14/2012] [Indexed: 06/01/2023]
Abstract
The aim of this research was to assess water quality in a stretch of the Paraguay River within the Brazilian Pantanal by means of a micronucleus assay with fish, and by water and sediment physicochemical analysis. Significant increases (p >0.05) in the frequency of micronuclei (MN) and micronucleated cells (MNC) occurred in erythrocytes of Pimelodus maculatus and Leporinus friderici at two river sites in the town of Caceres relative to an upstream reference site. The results demonstrate that the Paraguay River water near Caceres has been receiving genotoxic effluents, which may be associated with the presence of chromium, sulfides, oil and grease, and/or other chemicals.
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Affiliation(s)
- Vânia Maria Sartini Dutra Pimenta
- Institute of Natural and Technological Sciences, University of the State of Mato Grosso (UNEMAT), Nova Xavantina Campus, Br 158 km 635, Nova Xavantina, MT, 78690-000, Brazil
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Kumar A, Kesari VP, Khan PK. Fish micronucleus assay to assess genotoxic potential of arsenic at its guideline exposure in aquatic environment. Biometals 2013; 26:337-46. [DOI: 10.1007/s10534-013-9620-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2012] [Accepted: 03/07/2013] [Indexed: 01/12/2023]
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Vicari T, Ferraro MVM, Ramsdorf WA, Mela M, de Oliveira Ribeiro CA, Cestari MM. Genotoxic evaluation of different doses of methylmercury (CH₃Hg⁺) in Hoplias malabaricus. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2012; 82:47-55. [PMID: 22682032 DOI: 10.1016/j.ecoenv.2012.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2011] [Revised: 04/28/2012] [Accepted: 05/14/2012] [Indexed: 05/27/2023]
Abstract
The survey of the effects of toxic metals and its organic compounds are of critical importance because these compounds tend to accumulate in aquatic environments. In the present work, the genotoxic potential of methylmercury, an organomercurial compound with high toxicity and present in large amounts in fish of the Amazon due to the mining process, was evaluated using the piscine micronucleus test and comet assay in fish. Specimens of Hoplias malabaricus (popularly known as traira), a neotropical specie, was exposed to methylmercury via food web, over 70 days, in two different concentrations: two groups of fifteen fish were tested with 0.075 μg CH(3)Hg(+)/g and 0.75 μg CH(3)Hg(+)/g of methylmercury per gram of fish, at 5-day intervals and over 14 successive intervals whereas control group, composed by nine fish, was fed by uncontaminated prey fish (Astyanax sp). One of the aims of this study was to reproduce the contamination found in nature in an attempt to increase our biological knowledge on the neotropical species. Hoplias malabaricus specimens were then anesthetized for removal of blood samples and dissected, for cephalic kidney removal. As a result, it was observed that the piscine micronucleus test showed no significant differences between exposed groups and control group. The comet assay performed on erythrocyte system cells, showed a significant difference between controls and contaminated, but there was no difference between doses. In contrast, the kidney cells comet assay showed no significant difference between groups, probably due to the type of damage caused by xenobiotics to be related to the tissues of most contact with it, as well as its mode of action and the chain of bioaccumulation within bodies.
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Affiliation(s)
- Taynah Vicari
- Departamento de Genética, Laboratório de Mutagênese Ambiental, Universidade Federal do Paraná (UFPR), Curitiba, PR, Brazil.
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Baršienė J, Dedonytė V, Rybakovas A, Broeg K, Forlin L, Gercken J, Kopecka J, Balk L. Environmental Mutagenesis in Different Zones of the Baltic Sea. ACTA ACUST UNITED AC 2012. [DOI: 10.1080/13921657.2005.10512380] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Janina Baršienė
- a Institute of Ecology of Vilnius University , Akademijos 2, LT-08412 , Vilnius-21 , Lithuania
| | - Veronika Dedonytė
- b Department of Botany and Genetics , Vilnius University , Čiurlionio 21, LT-03101 , Vilnius , Lithuania
| | - Aleksandras Rybakovas
- a Institute of Ecology of Vilnius University , Akademijos 2, LT-08412 , Vilnius-21 , Lithuania
| | - Katja Broeg
- c Alfred Wegener Institute for Polar and Marine Research , Am Handelsshafen 12, 27570 , Bremerhaven , Germany
| | - Lars Forlin
- d Göteborg University , Box 463, SE 405 30 , Göteborg , Sweden
| | - Jens Gercken
- e Institute of Applied Ecology , Alte Dorfstrasse 11, D-18184 , Broderstorf , Germany
| | | | - Lennart Balk
- g Institute of Applied Environmental Research , Stockholm University , SE-106 91 , Stockholm , Sweden
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Handy RD, van den Brink N, Chappell M, Mühling M, Behra R, Dušinská M, Simpson P, Ahtiainen J, Jha AN, Seiter J, Bednar A, Kennedy A, Fernandes TF, Riediker M. Practical considerations for conducting ecotoxicity test methods with manufactured nanomaterials: what have we learnt so far? ECOTOXICOLOGY (LONDON, ENGLAND) 2012; 21:933-72. [PMID: 22422174 PMCID: PMC3325413 DOI: 10.1007/s10646-012-0862-y] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/28/2012] [Indexed: 05/18/2023]
Abstract
This review paper reports the consensus of a technical workshop hosted by the European network, NanoImpactNet (NIN). The workshop aimed to review the collective experience of working at the bench with manufactured nanomaterials (MNMs), and to recommend modifications to existing experimental methods and OECD protocols. Current procedures for cleaning glassware are appropriate for most MNMs, although interference with electrodes may occur. Maintaining exposure is more difficult with MNMs compared to conventional chemicals. A metal salt control is recommended for experiments with metallic MNMs that may release free metal ions. Dispersing agents should be avoided, but if they must be used, then natural or synthetic dispersing agents are possible, and dispersion controls essential. Time constraints and technology gaps indicate that full characterisation of test media during ecotoxicity tests is currently not practical. Details of electron microscopy, dark-field microscopy, a range of spectroscopic methods (EDX, XRD, XANES, EXAFS), light scattering techniques (DLS, SLS) and chromatography are discussed. The development of user-friendly software to predict particle behaviour in test media according to DLVO theory is in progress, and simple optical methods are available to estimate the settling behaviour of suspensions during experiments. However, for soil matrices such simple approaches may not be applicable. Alternatively, a Critical Body Residue approach may be taken in which body concentrations in organisms are related to effects, and toxicity thresholds derived. For microbial assays, the cell wall is a formidable barrier to MNMs and end points that rely on the test substance penetrating the cell may be insensitive. Instead assays based on the cell envelope should be developed for MNMs. In algal growth tests, the abiotic factors that promote particle aggregation in the media (e.g. ionic strength) are also important in providing nutrients, and manipulation of the media to control the dispersion may also inhibit growth. Controls to quantify shading effects, and precise details of lighting regimes, shaking or mixing should be reported in algal tests. Photosynthesis may be more sensitive than traditional growth end points for algae and plants. Tests with invertebrates should consider non-chemical toxicity from particle adherence to the organisms. The use of semi-static exposure methods with fish can reduce the logistical issues of waste water disposal and facilitate aspects of animal husbandry relevant to MMNs. There are concerns that the existing bioaccumulation tests are conceptually flawed for MNMs and that new test(s) are required. In vitro testing strategies, as exemplified by genotoxicity assays, can be modified for MNMs, but the risk of false negatives in some assays is highlighted. In conclusion, most protocols will require some modifications and recommendations are made to aid the researcher at the bench.
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Affiliation(s)
- Richard D Handy
- Ecotoxicology Research and Innovation Centre, School of Biomedical & Biological Sciences, University of Plymouth, Plymouth, UK.
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Pandey AK, Nagpure NS, Trivedi SP, Kumar R, Kushwaha B. Profenofos induced DNA damage in freshwater fish, Channa punctatus (Bloch) using alkaline single cell gel electrophoresis. Mutat Res 2011; 726:209-14. [PMID: 21971292 DOI: 10.1016/j.mrgentox.2011.09.011] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2011] [Revised: 08/06/2011] [Accepted: 09/19/2011] [Indexed: 11/16/2022]
Abstract
The aim of the present study was to evaluate the induced genotoxicity (DNA damage) due to organophosphate pesticide profenofos (PFF) in gill cells of freshwater fish Channa punctatus using single cell gel electrophoresis (SCGE)/Comet assay. The 96h LC(50) value of PFF (50% EC) was estimated for the fish species in a semistatic system and then three sub-lethal of LC(50) concentrations viz the sub-lethal 1, sub-lethal 2 and sub-lethal 3 concentrations were determined as 0.58ppb, 1.16ppb and 1.74ppb, respectively. The fish specimens were exposed to these concentrations of the pesticide and the gill tissue samplings were done on 24h, 48h, 72h and 96h post exposure for assessment of DNA damage in terms of percentage of DNA in comet tails. In general, a concentration dependent response was observed in the gill cells with induction of maximum DNA damage at the highest concentration of PFF. The results of the present investigation indicated that PFF could potentially induce genotoxic effect in fish, even in sub-lethal concentrations and SCGE as a sensitive and reliable tool for in vivo assessment of DNA damage caused by the genotoxic agents.
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Affiliation(s)
- Atindra Kumar Pandey
- National Bureau of Fish Genetic Resources, Indian Council of Agricultural Research, Lucknow, India
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Palanikumar L, Panneerselvam N. Micronuclei assay: A potential biomonitoring protocol in occupational exposure studies. RUSS J GENET+ 2011. [DOI: 10.1134/s1022795411090146] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Vincent-Hubert F, Arini A, Gourlay-Francé C. Early genotoxic effects in gill cells and haemocytes of Dreissena polymorpha exposed to cadmium, B[a]P and a combination of B[a]P and Cd. MUTATION RESEARCH-GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2011; 723:26-35. [DOI: 10.1016/j.mrgentox.2011.03.008] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/22/2010] [Accepted: 03/21/2011] [Indexed: 11/29/2022]
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Mohanty G, Mohanty J, Nayak AK, Mohanty S, Dutta SK. Application of comet assay in the study of DNA damage and recovery in rohu (Labeo rohita) fingerlings after an exposure to phorate, an organophosphate pesticide. ECOTOXICOLOGY (LONDON, ENGLAND) 2011; 20:283-292. [PMID: 21153054 DOI: 10.1007/s10646-010-0580-2] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 11/23/2010] [Indexed: 05/30/2023]
Abstract
Labeo rohita (rohu) fingerlings were exposed to different concentrations (0.001, 0.002 and 0.01 ppm) of phorate, an organophosphate pesticide; samplings were done at 24, 48, 72 and 96 h. The study was carried out to evaluate tissue specific genotoxic effects produced by phorate, on three different tissue systems and to assess DNA repair response in fish. Results of tissue specific DNA damage experiments showed low baseline damage in blood cells followed by gill and liver cells in control individuals whereas more DNA breaks were found in liver followed by gill and blood cells of treated individuals. Concentrations-dependent DNA damage showed a strong, linear and positive relationship (r(2) = >0.7) in all three tissues. Clear time-related increase in DNA damage was observed for all tissues exposed to all concentrations except in liver cells at 0.01 ppm, where the DNA damage declined significantly after 72 h. For the assessment of DNA repair response, fingerlings were first exposed to 0.01 ppm of phorate for 72 h and then transferred to pesticide free water. Tissue chosen for the repair experiment was liver. Samplings were done at 0, 3, 6, 12 and 24 h after the release of 72 h pesticide treated fishes into pesticide free water. Fishes showed a reduction in DNA breaks from 3 h onwards in pesticide free water and at 24 h returned to control level damage. The results indicate that phorate is a potential genotoxicant, comet assay can be used in DNA damage and repair analysis, response to pollutants in multicellular animals is often tissue specific.
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Affiliation(s)
- G Mohanty
- Department of Biotechnology, North Orissa University, Baripada, 757003, Orissa, India.
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Polard T, Jean S, Merlina G, Laplanche C, Pinelli E, Gauthier L. Giemsa versus acridine orange staining in the fish micronucleus assay and validation for use in water quality monitoring. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2011; 74:144-149. [PMID: 20828819 DOI: 10.1016/j.ecoenv.2010.08.005] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2009] [Revised: 07/29/2010] [Accepted: 08/01/2010] [Indexed: 05/29/2023]
Abstract
This study concerns a comparative analysis of the acridine orange and Giemsa staining procedures for the fish erythrocyte micronucleus assay. The goal was to optimize the assay in the context of field water monitoring. Fish (Carassius carassius) were exposed to a reference genotoxic agent, cyclophosphamide monohydrate 5 mg l(-1) for 2, 4, and 6 days before testing. Slides from each individual were scored using the two procedures. The results show that the assay was more sensitive when acridine orange was used. When slides were Giemsa stained, the presence of ambiguous artefacts, leading to false positives and increasing random variance, reduced the contrast between exposed and control samples. Acridine Orange staining was then applied in the context of water quality monitoring. Fish were exposed for 4 days to water sampled in two hydrological contexts: basal flow and spring flood. The results show that exposure to spring flood water in an agricultural stream can induce mutagenicity.
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Affiliation(s)
- T Polard
- Université de Toulouse; INP-ENSAT, Avenue de l'Agrobiopôle, 31326 Castanet-Tolosan, France
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Ansari RA, Rahman S, Kaur M, Anjum S, Raisuddin S. In vivo cytogenetic and oxidative stress-inducing effects of cypermethrin in freshwater fish, Channa punctata Bloch. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2011; 74:150-156. [PMID: 20934752 DOI: 10.1016/j.ecoenv.2010.08.036] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2010] [Revised: 08/22/2010] [Accepted: 08/24/2010] [Indexed: 05/30/2023]
Abstract
Synthetic pyrethroids are considered to be safe over other insecticides. Many of the newest pyrethroids lack ecotoxicity data. However, animal data indicate that their use may pose risk to environmental biota. The cytogenetic effects of cypermethrin, an α-class type II pyrethroid were evaluated using robust genotoxicity assay of chromosomal aberration (CA) and micronucleus (MN) tests in highly mitotic kidney cells and in erythrocytes of a freshwater fish, Channa punctata Bloch. In order to understand biochemical mechanism of genotoxic effects, oxidative stress parameters were also studied in fish erythrocytes. Fish exposed to cypermethrin (0.4, 0.8 and 1.2 μg/l for 48 and 72 h) showed increased frequencies of CA and MN in a concentration-dependent manner. Fish exposed to positive genotoxin, ethyl methane sulfonate (EMS) also showed significant increase in frequencies of CA and MN. The genotoxic effects were invariably accompanied and correlated with increased oxidative stress and disturbance of antioxidant enzymes.
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Affiliation(s)
- Rizwan A Ansari
- Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), New Delhi 110062, India
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Egito LCM, dos Santos PE, do Amaral VS, de Medeiros SRB, Agnez-Lima LF. Use of native species Crenicichla menezesi (Ariidae) as a model for in situ evaluation of genotoxicity in surface water. THE SCIENCE OF THE TOTAL ENVIRONMENT 2010; 408:6042-6046. [PMID: 20822797 DOI: 10.1016/j.scitotenv.2010.08.023] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2010] [Revised: 08/10/2010] [Accepted: 08/11/2010] [Indexed: 05/29/2023]
Abstract
The aim of this work was to analyze the genotoxicity in surface water from the Pitimbú River (Natal, Brazil) using a neotropical species Crenicichla menezesi as bioindicator for in situ evaluation. The genotoxicity was analyzed using the micronucleus (MN) and comet assays in erythrocytes. The animals were collected from five sites of the river. A significant increase of MN frequency and comet class L1 to L4 were observed only in specimens collected from three sampling sites (SS3, SS4 and SS5) located into urban areas. These same sites also presented high metals concentration. Correlation of DNA damage and concentrations of Cu (Spearman r=0.8080), Cr (Spearman r=0.9772), and Ni (Spearman r=0.9909) were observed. These data indicate the presence of genotoxic agents. Moreover the C. menezesi species showed to be a good indicator for prompt analyses since this species presents sedentary and carnivore habits.
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Bourgeault A, Gourlay-Francé C, Vincent-Hubert F, Palais F, Geffard A, Biagianti-Risbourg S, Pain-Devin S, Tusseau-Vuillemin MH. Lessons from a transplantation of zebra mussels into a small urban river: An integrated ecotoxicological assessment. ENVIRONMENTAL TOXICOLOGY 2010; 25:468-478. [PMID: 20549621 DOI: 10.1002/tox.20591] [Citation(s) in RCA: 51] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
It is often difficult to evaluate the level of contamination in small urban rivers because pollution is mainly diffuse, with low levels of numerous substances. The use of a coupled approach using both chemical and biological measurements may provide an integrated evaluation of the impact of micro-pollution on the river. Zebra mussels were transplanted along a metal and organic pollution gradient in spring 2008. For two months, mussels and water samples were collected from two sites every two weeks and analyzed for metal and PAH content as well as water physicochemical parameters. Diffusive gradients in thin film (DGT) were also used to assess levels of labile metals. Exposure of mussels to contaminants and potential impact were evaluated using physiological indices and various biomarkers including condition index (CI), defense mechanisms (glutathione-S-transferase: GST), digestive enzymes (amylase and cellulase) and genotoxicity (micronucleus test: MN and comet assay: CA). For most contaminants, the water contamination was significantly higher downstream. Bioaccumulation in zebra mussels was related to water contamination in the framework of the biodynamic model, which allowed us to take into account the biological dilution that was caused by the growth of soft tissue downstream. Thus, metal influxes were on average two times higher downstream than upstream in particular for Zn, Cr, Cu and Cd. Significant differences in condition index were observed (final CI was 0.42 ± 0.03 downstream and 0.31 ± 0.03 upstream) reflecting a better food availability downstream. Moreover a significant decrease of GST activity and digestive enzymes activity in the cristalline style was observed downstream. Interpreting this decrease requires considering not only micro-pollution but also the trophic status related to the water's physicochemistry. The MN test and the CA on gill cells highlighted genotoxicity in mussels transplanted downstream compared to upstream.
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Affiliation(s)
- A Bourgeault
- Cemagref, UR HBAN, Parc de Tourvoie-BP 44, F-92163 Antony, France
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Tlili S, Jebali J, Banni M, Haouas Z, Mlayah A, Helal AN, Boussetta H. Multimarker approach analysis in common carp Cyprinus carpio sampled from three freshwater sites. ENVIRONMENTAL MONITORING AND ASSESSMENT 2010; 168:285-298. [PMID: 19728127 DOI: 10.1007/s10661-009-1112-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2009] [Accepted: 07/27/2009] [Indexed: 05/28/2023]
Abstract
The aim of this study is to assess the response of a multimarker approach in common carp Cyprinus carpio sampled from three Tunisian dam lakes selected according to different environmental and ecological characteristics. Glutathione-S-transferase (GST) activity was analyzed in carp liver and used as a phase II detoxification enzyme, hepatic metallothionein content (MTs) was used as a metallic stress indicator, and cholinesterase activities were analyzed in muscle and brain and used as neurotoxicity biomarker. Micronucleus frequency test (MN) as a genotoxicity marker. GST and MT levels showed an increase in fish from the Bir Mcherga site and a decrease in Sidi Saâd site with respect to fish from Nebhana site. Results showed a strong inhibition of cholinesterase activities in fish from Bir Mcherga and Sidi Saâd sites compared to Nebhana site. Relatively high level of MN is reported specially in fish blood from the Bir Mcherga site.
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Affiliation(s)
- Sofiene Tlili
- Laboratoire de Biochimie et de Toxicologie Environnementale, Institut Supérieur Agronomique de Chott-Mariem, Sousse, Tunisia
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Cakal Arslan O, Parlak H, Katalay S, Boyacioglu M, Karaaslan MA, Guner H. Detecting micronuclei frequency in some aquatic organisms for monitoring pollution of Izmir Bay (Western Turkey). ENVIRONMENTAL MONITORING AND ASSESSMENT 2010; 165:55-66. [PMID: 19444638 DOI: 10.1007/s10661-009-0926-5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2008] [Accepted: 04/18/2009] [Indexed: 05/27/2023]
Abstract
Micronuclei tests is a system of mutagenicity testing used for determining the pollution and chemicals causing changes in DNA fragments such as micronuclei in the cytoplasm of interphase cells. Damage caused on the DNA by genotoxic pollutants is the first consequence occurring in the aquatic organisms. Thus, it was attempted to determine whether pollution affected the erythrocytes and gills of fish Gobius niger and haemolymph and gills of mussels Mytilus galloprovincialis living in Izmir Bay at the level of DNA by the means of micronuclei (MN) test. Organisms used in the MN test were collected from seven locations (Alsancak, Alaybey Shipyard, Karsiyaka, Bostanli, Göztepe, Konak and Pasaport) which are known as the most polluted part of inner Bay of Izmir (Western Coast of Turkey). According to the results of the present study, frequency of MN was found at high level in Alaybey Shipyard and Pasaport where wastes from existing dockyard contributed to high level of pollution. In conclusion, this study indicates that the micronuclei test gives sensitive results in monitoring the pollution, especially the pollution of harbor, and thus it might be used as standard method in regular monitoring of pollution of coastal ecosystem.
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Affiliation(s)
- Ozlem Cakal Arslan
- Faculty of Fisheries, Department of Hydrobiology, Ege University, Bornova, Izmir, Turkey.
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Vergolyas MR, Veyalkina NN, Goncharuk VV. Effect of copper ions on hematological and cytogenetic parameters of freshwater fishes Carassius auratus gibelio. CYTOL GENET+ 2010. [DOI: 10.3103/s009545271002009x] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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