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Cheng Z, Xu M, Cao Q, Chi W, Cao S, Zhou Z, Wang Y. Antioxidant Systematic Alteration Was Responsible for Injuries Inflicted on the Marine Blue Mussel Mytilus edulis Following Strontium Exposure. Antioxidants (Basel) 2024; 13:464. [PMID: 38671912 PMCID: PMC11047646 DOI: 10.3390/antiox13040464] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 04/11/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
The ionic properties of strontium (Sr), a significant artificial radionuclide in the marine environment, were estimated using a stable nuclide-substituting experimental system under controlled laboratory conditions. The bio-accumulation of Sr and its impacts, as well as any possible hidden mechanisms, were evaluated based on the physiological alterations of the sentinel blue mussel Mytilus edulis. The mussels were exposed to a series of stress-inducing concentrations, with the highest solubility being 0.2 g/L. No acute lethality was observed during the experiment, but sublethal damage was evident. Sr accumulated in a tissue-specific way, and hemolymph was the target, with the highest accumulating concentration being 64.46 µg/g wet weight (ww). At the molecular level, increases in the levels of reactive oxygen species (ROS) and malondialdehyde (MDA) and changes in ROS components (H2O2, O2-, and -OH) and antioxidant system activity indicated that the redox equilibrium state in hemocytes was disturbed. Furthermore, the rise in the hemocyte micronucleus (MN) rate (4‱ in the high-concentration group) implied DNA damage. At the cellular level, the structures of hemocytes were damaged, especially with respect to lysosomes, which play a crucial role in phagocytosis. Lysosomal membrane stability (LMS) was also affected, and both acid phosphatase (ACP) and alkaline phosphatase (AKP) activities were reduced, resulting in a significant decline in phagocytosis. The hemolymph population structure at the organ level was disturbed, with large changes in hemocyte number and mortality rate, along with changes in component ratios. These toxic effects were evaluated by employing the adverse outcome pathway (AOP) framework. The results suggested that the disruption of intracellular redox homeostasis is a possible explanation for Sr-induced toxicity in M. edulis.
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Affiliation(s)
- Zihua Cheng
- College of Marien Life Sciences, Ocean University of China, Qingdao 266000, China; (Z.C.); (Q.C.); (S.C.); (Z.Z.)
- Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Laoshan Laboratory, Qingdao 266200, China
| | - Mengxue Xu
- Marine Science Research Institute of Shandong Province, Qingdao 266100, China; (M.X.); (W.C.)
- Qingdao Key Laboratory of Coastal Ecological Restoration and Security, Qingdao 266100, China
| | - Qiyue Cao
- College of Marien Life Sciences, Ocean University of China, Qingdao 266000, China; (Z.C.); (Q.C.); (S.C.); (Z.Z.)
| | - Wendan Chi
- Marine Science Research Institute of Shandong Province, Qingdao 266100, China; (M.X.); (W.C.)
- Qingdao Key Laboratory of Coastal Ecological Restoration and Security, Qingdao 266100, China
| | - Sai Cao
- College of Marien Life Sciences, Ocean University of China, Qingdao 266000, China; (Z.C.); (Q.C.); (S.C.); (Z.Z.)
| | - Zhongyuan Zhou
- College of Marien Life Sciences, Ocean University of China, Qingdao 266000, China; (Z.C.); (Q.C.); (S.C.); (Z.Z.)
- Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Laoshan Laboratory, Qingdao 266200, China
| | - You Wang
- College of Marien Life Sciences, Ocean University of China, Qingdao 266000, China; (Z.C.); (Q.C.); (S.C.); (Z.Z.)
- Laboratory for Marine Ecology and Environmental Science, Qingdao Marine Science and Technology Center, Laoshan Laboratory, Qingdao 266200, China
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Added A, Khalloufi N, Khazri A, Harrath AH, Mansour L, Nahdi S, Boufahja F, Aldahmash W, Alrefaei AF, Dellali M. Effects of an Endocrine Disruptor Triclosan on Ruditapes decussatus: Multimarker and Histological Approaches. Animals (Basel) 2023; 13:ani13030402. [PMID: 36766291 PMCID: PMC9913085 DOI: 10.3390/ani13030402] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/26/2023] Open
Abstract
The aim of this work was to study the ecotoxicological effects of an endocrine disruptor triclosan on the clam Ruditapes decussatus. The bivalves were exposed to three concentrations of this biocide (C1 = 100 ng/L, C2 = 200 ng/L and C3 = 500 ng/L) for three and seven days. The impact was assessed at the gills and digestive glands, through activities of an antioxidant defense biomarker (Gluthatione S-Transferase, GST), a damage biomarker (Malondialdehyde, MDA), and a neurotoxicity biomarker (Acetylcholinesterase, AChE). Furthermore, histological traits were approached in different organs to evaluate any possible alteration induced by triclosan. It appears from this study that both gills and digestive glands responded discernibly to triclosan and effects were concentration-dependent. The stressed clams showed a significant increase in their GST and MDA activities in gills and digestive glands compared to controls for both time slots considered. In turn, the AChE activity was clearly inhibited in both organs in a time dependent way. The histological study made it possible to observe several structural pathologies caused by triclosan in the gills and the digestive gland. These alterations consisted mainly of inflammatory reactions, malformations of the lamellae and fusion of the gill filaments, degeneration of the connective tissue, and the erosion of the gill cilia with the appearance of certain severe alterations (cell necrosis and apoptosis), which can thus cause a malfunction of the gills and eventually lead to a reduction in oxygen consumption and a disruption of the osmoregulation for bivalves. Alterations in the digestive gland have also been detected, mainly by epithelial alterations, thinning of the tubules, and alteration of the basal cell membrane which can impair the ability of clams to absorb food. At germinal cells, several damages were observed in the oocytes which probably disturbed the reproductive function and the fertility of the clams. The damages observed in female gonads were caused by the cytolysis of a large number of oocytes through autophagy and necrosis at 200 ng triclosan/L. Moreover, at 500 ng triclosan/L, hemocytic infiltration was observed in acini and apoptotic bodies reflected in the fragmentation of more than 90% of oocytes.
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Affiliation(s)
- Amira Added
- LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Faculty of Sciences of Bizerte, University of Carthage, Zarzouna 7021, Tunisia
| | - Noureddine Khalloufi
- LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Faculty of Sciences of Bizerte, University of Carthage, Zarzouna 7021, Tunisia
| | - Abdelhafidh Khazri
- LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Faculty of Sciences of Bizerte, University of Carthage, Zarzouna 7021, Tunisia
| | - Abdel Halim Harrath
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
- Correspondence:
| | - Lamjed Mansour
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Saber Nahdi
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Fehmi Boufahja
- Biology Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
| | - Waleed Aldahmash
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Abdulwahed Fahad Alrefaei
- Zoology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Mohamed Dellali
- LR01ES14 Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, Faculty of Sciences of Bizerte, University of Carthage, Zarzouna 7021, Tunisia
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Bramatti I, Matos B, Figueiredo N, Pousão-Ferreira P, Branco V, Martins M. Interaction of Polycyclic Aromatic Hydrocarbon compounds in fish primary hepatocytes: From molecular mechanisms to genotoxic effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 855:158783. [PMID: 36116656 DOI: 10.1016/j.scitotenv.2022.158783] [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: 06/28/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 06/15/2023]
Abstract
Polycyclic Aromatic Hydrocarbons (PAHs) are persistent pollutants normally found in the environment as complex mixtures. Although several individual PAHs are classified as mutagenic and carcinogenic pollutants, the interaction effects between compounds in a mixture may trigger different toxicological mechanisms and, consequently, yield different effects to organisms which are not accounted for in risk assessment guidelines. Given the ubiquity of PAHs, understanding the mechanistic features of their mixtures is a pressing research need. Therefore, the present work aimed to disclose the interaction effects of three PAHs with different carcinogenic potential and chemical structure, in primary hepatocyte cells of gilt-headed seabreams (Sparus aurata). Hepatocytes were exposed to Phenanthrene (Phe), Benzo[a]pyrene (B[a]P) and Benzo[b]fluoranthene (B[b]F) and their mixtures at different proportions and several cellular responses were analyzed: cellular viability, CYP1A1 activity (EROD assay) and protein expression level (Western blot); transcript (mRNA) levels of CYP1A1, EPXH1 and GST-3 (qRT-PCR); genotoxic effects (DNA strand breakage) by the Comet assay. Results show that B[a]P induced CYP1A1 gene and protein expression increasing its activity and, therefore, increasing the production of metabolites that trigger genotoxic DNA damage (%). Most importantly, mixtures containing Phe and B[a]P increased even further CYP1A1 mRNA levels and DNA damage (up to 70 %) which suggests that, although Phe is considered a non-carcinogenic PAH, it potentiates CYP1A1 synthesis induced by B[a]P, increasing its genotoxicity. These findings indicate that the upregulation of CYP1A1 by carcinogenic PAHs will not weaken even when in mixtures with non-carcinogenic PAHs. On contrary, non-carcinogenic PAHs may potentiate the genotoxic effect of carcinogenic PAH and therefore mixture composition should be taken in account when assessing PAH toxicity. In fact, our results point to the need of redefining Environmental Risk Assessment protocols for mixtures of carcinogenic pollutants.
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Affiliation(s)
- Isabella Bramatti
- MARE-Marine and Environmental Sciences Centre, Department of Sciences and Environmental Engineering, NOVA School of Science and Technology (FCT NOVA), NOVA University of Lisbon, 2829-516 Caparica, Portugal; Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal
| | - Beatriz Matos
- MARE-Marine and Environmental Sciences Centre, Department of Sciences and Environmental Engineering, NOVA School of Science and Technology (FCT NOVA), NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Neusa Figueiredo
- MARE-Marine and Environmental Sciences Centre, Department of Sciences and Environmental Engineering, NOVA School of Science and Technology (FCT NOVA), NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Pedro Pousão-Ferreira
- IPMA, I.P. - Division of Aquaculture and Seafood Upgrading, Portuguese Institute for the Sea and Atmosphere, 1495-165 Algés, Portugal
| | - Vasco Branco
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, 1649-003 Lisboa, Portugal; Centro de Investigação Interdisciplinar Egas Moniz (CiiEM), Instituto Universitário Egas Moniz (IUEM), Quinta da Granja, Monte de Caparica, 2829-511 Caparica, Portugal.
| | - Marta Martins
- MARE-Marine and Environmental Sciences Centre, Department of Sciences and Environmental Engineering, NOVA School of Science and Technology (FCT NOVA), NOVA University of Lisbon, 2829-516 Caparica, Portugal.
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Physiological Responses of the Bivalves Mytilus galloprovincialis and Ruditapes decussatus Following Exposure to Phenanthrene: Toxicokinetics, Dynamics and Biomarkers Study. Animals (Basel) 2022; 13:ani13010151. [PMID: 36611758 PMCID: PMC9817832 DOI: 10.3390/ani13010151] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 12/22/2022] [Accepted: 12/27/2022] [Indexed: 01/04/2023] Open
Abstract
The aim of the current study was to assess the multifaceted effects of the polycylic aromatic hydrocarbon phenanthrene, mainly used in the colouring, explosive, and pharmaceutical industries, on the physiology of two bivalve species with economic value as seafood, namely, the Mediterranean mussel Mytilus galloprovincyalis and the European clam Ruditapes decussatus. The current study assessed how the phenanthrene affected several biomarkers and biometric endpoints in both bivalves, based on an in vivo experiment in silico approach. The bivalves were exposed during four time slots (i.e., 7, 15, 21, and 28 days) to two concentrations of phenanthrene in water (50 µg/L and 100 µg/L). For the clam R. decussatus, an additional contamination of sediment was applied due their typical benthic lifestyle (50 µg/kg and 100 µg/kg). The phenanthrene significantly reduced the ability of bivalves to tolerate desiccation and their Median Lethal Time, and also inhibited the activity of the enzyme acetylcholinesterase in a time-dependent manner. The activity of catalase indicated that bivalves also experienced oxidative stress during the first 21 days of the experiment. The significant decline in catalase activity observed during the last week of the experiment for the mussel M. galloprovincyalis supported a depletion of enzymes caused by the phenanthrene. The phenanthrene has also toxicokinetic and toxicodynamic properties, as assessed by the in silico approach. Overall, the results obtained suggest that the bivalves Ruditapes decussatus and M. galloprovincyalis can be used as a sentinel species in monitoring studies to assess the environmental impact of phenanthene in marine ecosystems. The significance of our findings is based on the fact that in ecotoxicology, little is known about the chronic effects, the simultaneous use of multiple species as bioindicators, and the interactions molecular modelling.
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Chahouri A, Yacoubi B, Moukrim A, Banaoui A. Integration assay of bacteriological risks in marine environment using salmonella spp and multimarker response in the bivalve Donax trunculus: Novel biomonitoring approach. CHEMOSPHERE 2022; 297:134149. [PMID: 35271906 DOI: 10.1016/j.chemosphere.2022.134149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/25/2022] [Accepted: 02/25/2022] [Indexed: 06/14/2023]
Abstract
Microbiological contamination is one of the riskiest forms of human contamination in seawater, which threaten the stability of ecosystems and human health. In this study, we study the accumulation of a pathogenic bacteria Salmonella spp; isolated from the marine environment, in the soft tissue of Donax trunculus (Mollusca, Bivalvia), a commonly used as a bioindicators species for aquatic ecosystems monitoring, under laboratory conditions during both exposure and recovery periods. These bacteria were added in seawater at three concentrations previously determined against sentinel specie at three exposure periods (24, 48 and 96 h). In a second series of experiments, exposed specimens were afterward transplanted to clean water to assess the recovery pattern. The mortality rate of bivalves was determined as biomarker of general stress. Our findings suggest that microbiological contamination by Salmonella spp was gradually incorporated into the body of D. trunculus causing a significant induction of enzymatic activity of acetylcholinesterase (AChE), Catalase (CAT), glutathione-S-transferase (GST) and malondialdehyde (MDA) levels, as a function of time and concentration. Exposure to a bacterial concentration of 5.104 bacteria/liter resulted in the mortality of more than 80% of the specimens. This study is to test the pathogenicity of Salmonella strains at concentrations close to those of the marine environment, and their effects on biomarkers, thus deducing the existence of an exponential relationship between bacterial concentrations and enzymatic response. The principal component analysis shows that the four biomarkers had similar variation with bacterial concentrations, while two groups were obtained to change following the exposure time (CAT-GST and AChE-MDA). This study provides new findings on the potential accumulation of pathogenic bacteria associated with neurotoxicity and oxidative stress in the wedge clam Donax trunculus.
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Affiliation(s)
- Abir Chahouri
- Aquatic System Laboratory: Marine and Continental Environment, Faculty of Sciences Agadir, Department of Biology, Ibn Zohr University, Agadir, Morocco.
| | - Bouchra Yacoubi
- Aquatic System Laboratory: Marine and Continental Environment, Faculty of Sciences Agadir, Department of Biology, Ibn Zohr University, Agadir, Morocco
| | | | - Ali Banaoui
- Aquatic System Laboratory: Marine and Continental Environment, Faculty of Sciences Agadir, Department of Biology, Ibn Zohr University, Agadir, Morocco
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Coppola F, Russo T, Soares AMVM, Marques PAAP, Polese G, Pereira E, Freitas R. The influence of salinity on the toxicity of remediated seawater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:32967-32987. [PMID: 35022978 DOI: 10.1007/s11356-021-17745-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Accepted: 11/21/2021] [Indexed: 06/14/2023]
Abstract
Mercury (Hg) is one of the most hazardous pollutants, due to its toxicity, biological magnification and worldwide persistence in aquatic systems. Thus, new efficient nanotechnologies (e.g. graphene oxide functionalized with polyethyleneimine (GO-PEI)) have been developed to remove this metal from the water. Aquatic environments, in particular transitional systems, are also subjected to disturbances resulting from climate change, such as salinity shifts. Salinity is one of the most relevant factors that influences the distribution and survival of aquatic species such as mussels. To our knowledge, no studies assessed the ecotoxicological impairments induced in marine organisms exposed to remediate seawater (RSW) under different salinity levels. For this, the focus of the present study was to evaluate the effects of seawater previously contaminated with Hg and remediated with GO-PEI, using the species Mytilus galloprovincialis, maintained at three different salinities (30, 20 and 40). The results obtained demonstrated similar histopathological and metabolic alterations, oxidative stress and neurotoxicity in mussels under RSW treatment at stressful salinity conditions (20 and 40) in comparison to control salinity (30). On the other hand, the present findings revealed toxicological effects including cellular damage and histopathological impairments in mussels exposed to Hg contaminated seawater in comparison to non-contaminated ones, at each salinity level. Overall, these results confirm the high efficiency of GO-PEI to sorb Hg from water with no noticeable toxic effects even under different salinities, leading to consider it a promising eco-friendly approach to remediate contaminated water.
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Affiliation(s)
- Francesca Coppola
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Tania Russo
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Amadeu M V M Soares
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Paula A A P Marques
- Department of Mechanical Engineering & TEMA, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Gianluca Polese
- Department of Biology, University of Naples Federico II, 80126, Naples, Italy
| | - Eduarda Pereira
- Department of Chemistry & LAQV-REQUIMTE, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Rosa Freitas
- Department of Biology & CESAM, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
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Moncaleano-Niño AM, Gómez-Cubillos MC, Luna-Acosta A, Villamil L, Casseres-Ruiz S, Ahrens MJ. Monitoring metallothionein-like protein concentrations and cholinesterase activity in tropical cup oysters as biomarkers of exposure to metals and pesticides in the southern Caribbean, Colombia. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:25157-25183. [PMID: 34837617 DOI: 10.1007/s11356-021-17644-7] [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: 06/12/2021] [Accepted: 11/16/2021] [Indexed: 06/13/2023]
Abstract
Metallothionein-like protein concentrations (MT) and three functionally defined fractions of cholinesterase activity (ChE) were quantified in gill and digestive gland homogenates of tropical cup oysters from 5 nearshore locations in the Colombian Caribbean and correlated with sediment and tissue metal (9 metals) and pesticide (22 organophosphates, OPs, and 20 organochlorines-OCPs), as well as water physical-chemical parameters (salinity, pH, temperature, and dissolved oxygen). Tissue and sediment pesticide concentrations were below detection limits in all samples, whereas sediment and tissue metal concentrations exceeded environmental thresholds at several locations. Tissue MT and ChE biomarkers varied by a factor of 5-6 between locations. Inhibition of cholinesterase activity was negligible for all 5 sites, despite spatial-temporal variation in ChE activity, consistent with below-detection OP concentrations. Tissue MT and ChE biomarkers correlated with tissue and metal sediment concentrations, yet, statistically significant covariance between biomarkers and water chemistry parameters was also observed, indicating that both, metal concentrations and physical-chemical variables, are likely to be responsible for generating the observed spatial-temporal variations in biomarker patterns.
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Affiliation(s)
- Angela M Moncaleano-Niño
- Department of Biological Sciences, Universidad de Bogota Jorge Tadeo Lozano, Carrera 4 No. 22-61, Bogota, Colombia
| | - Maria Camila Gómez-Cubillos
- Department of Biological Sciences, Universidad de Bogota Jorge Tadeo Lozano, Carrera 4 No. 22-61, Bogota, Colombia
- Department of Biology, Ichthyology Laboratory, Ecology and Systematics Unit (UNESIS), Pontifical Javeriana University, Transversal 4 No. 42-00, Bogotá, Colombia
| | - Andrea Luna-Acosta
- Department of Biological Sciences, Universidad de Bogota Jorge Tadeo Lozano, Carrera 4 No. 22-61, Bogota, Colombia
- Department of Ecology and Territory, Faculty of Environmental and Rural Studies, Pontifical Javeriana University, Transversal 4 No. 42-00, Bogotá, Colombia
| | - Luisa Villamil
- Department of Biological Sciences, Universidad de Bogota Jorge Tadeo Lozano, Carrera 4 No. 22-61, Bogota, Colombia
- Faculty of Engineering, PhD in Biosciences, La Sabana University, Campus "Puente del Común," Km. 7, Autopista Norte de Bogotá, Chía, Colombia
| | - Samuel Casseres-Ruiz
- Department of Biological Sciences, Universidad de Bogota Jorge Tadeo Lozano, Carrera 4 No. 22-61, Bogota, Colombia
| | - Michael J Ahrens
- Department of Biological Sciences, Universidad de Bogota Jorge Tadeo Lozano, Carrera 4 No. 22-61, Bogota, Colombia.
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Dellali M, Hedfi A, Ali MB, Noureldeen A, Darwish H, Beyrem H, Gyedu-Ababio T, Dervishi A, Karachle PK, Boufahja F. Multi-biomarker approach in Mytilus galloprovincialis and Ruditapes decussatus as a predictor of pelago-benthic responses after exposure to Benzo[a]Pyrene. Comp Biochem Physiol C Toxicol Pharmacol 2021; 249:109141. [PMID: 34271163 DOI: 10.1016/j.cbpc.2021.109141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Revised: 06/21/2021] [Accepted: 07/08/2021] [Indexed: 12/17/2022]
Abstract
This study evaluated the biomarker responses indicative of exposure to Benzo[a] Pyrene (B[a]P) in Mytilus galloprovincialis and Ruditapes decussatus. A significant increase of the total oxyradical scavenging capacity (TOSC) was observed after seven days of exposure to two concentrations of B[a]P (100 and 300 μg.L-1), in the digestive gland with the lowest concentration tested. The TOSC in the gills increased notably only after the exposure to 300 μg.L-1 of B[a]P. Interestingly, the superoxide dismutase (SOD) and catalase (CAT) activities in gills and digestive gland on one hand and glutathione S-transferase (GST) in gills in the other, were positively correlated with the concentration of B[a]P with a significant induction noticed at the highest concentration. In contrast, a significant increase of the GST activity was observed in the digestive gland following the exposure of bivalves to 100 μg.L-1. In pelagic (M. galloprovincialis) or benthic (R. decussatus) bivalves, the AChE activity decreased discernibly in digestive glands and gills with the increase of B[a]P concentrations as evidence of neurotoxic effects. In clams, the exposure to B[a]P was followed by a significant increase of Malondialdehyde level (MDA) in gills and digestive gland, this does not occur in gills of Mytilus galloprovincialis at the concentration of 100 μg.L-1. Overall, the results found seems to indicate that the mussel was more suitable as a predictor tool of toxicity of B[a]P.
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Affiliation(s)
- Mohamed Dellali
- University of Carthage, Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | - Amor Hedfi
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Manel Ben Ali
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ahmed Noureldeen
- Department of Biology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hadeer Darwish
- Department of Biotechnology, College of Sciences, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Hamouda Beyrem
- University of Carthage, Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia
| | | | - Aida Dervishi
- Department of Biotechnology, Faculty of Natural Sciences, University of Tirana, Zog I, 25/1, 1001 Tirana, Albania
| | - Paraskevi K Karachle
- Hellenic Centre for Marine Research, Institute of Marine Biological Resources and Inland waters, 46.7 Athens-Sounio Ave., P.O. Box 712, 19013 Anavyssos Attika, Greece
| | - Fehmi Boufahja
- University of Carthage, Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, 7021 Zarzouna, Tunisia.
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Subba M, Keough MJ, Kellar C, Long S, Miranda A, Pettigrove VJ. Potamopyrgus antipodarum has the potential to detect effects from various land use activities on a freshwater ecosystem. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117563. [PMID: 34147782 DOI: 10.1016/j.envpol.2021.117563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/06/2021] [Revised: 05/17/2021] [Accepted: 06/06/2021] [Indexed: 06/12/2023]
Abstract
Identifying risks to ecosystems from contaminants needs a diversity of bioindicators, to understand the effects of these contaminants on a range of taxa. Molluscs are an ideal bioindicator because they are one of the largest phyla with extremely high ecological and economic importance. The aim of this study was to evaluate if laboratory bred Potamopyrgus antipodarum has the potential to show the impact of contaminants from various land use activities and degree of pollution on a freshwater ecosystem. We assessed the impact of contaminants arising from runoff and direct discharges in Merri Creek by measuring organism level responses (survival, growth, and reproduction), and sub-organism level responses (glutathione S-transferase (GST) activity, lipid peroxidation (LPO) activity and catalase (CAT) activity) in snails after 28-d of deployment at nine sites in Merri Creek and one site in Cardinia Creek. In Merri Creek, the top two sites were reference sites (with low impact from human activities), while the rest were impact sites (impacted by various anthropogenic land uses). Cardinia Creek (an additional reference site) had lower human activity. High concentrations of heavy metals, nutrients, and/or synthetic pyrethroids (bifenthrin) dominated these sites, which are likely to have contributed towards the negative responses observed in the snails. There was little influence from environmental conditions and site location on the endpoints because we found a similar response at an additional reference site compared to the reference sites in Merri Creek. At the organism level, reproduction increased and/or reduced, while CAT was affected at the sub-organism level. Potamopyrgus antipodarum has the potential to be a sensitive bioindicator for Australian conditions because the snails responded to varying concentrations of contaminants across different land use activities and showed similar sensitivity to P. antipodarum found in other regions of the globe and other bioindicators.
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Affiliation(s)
- Maita Subba
- Centre for Anthropogenic Pollution Impact and Management (CAPIM), School of Biosciences, University of Melbourne, Parkville, VIC, 3010, Australia.
| | - Michael J Keough
- Centre for Anthropogenic Pollution Impact and Management (CAPIM), School of Biosciences, University of Melbourne, Parkville, VIC, 3010, Australia
| | - Claudette Kellar
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
| | - Sara Long
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
| | - Ana Miranda
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
| | - Vincent J Pettigrove
- Aquatic Environmental Stress Research Group (AQUEST), School of Science, RMIT University, PO Box 71, Bundoora, VIC, 3083, Australia
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Dellali M, Douggui A, Harrath AH, Mansour L, Alwasel S, Beyrem H, Gyedu-Ababio T, Rohal-Lupher M, Boufahja F. Acute toxicity and biomarker responses in Gammarus locusta amphipods exposed to copper, cadmium, and the organochlorine insecticide dieldrin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:36523-36534. [PMID: 33694119 DOI: 10.1007/s11356-021-13158-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Accepted: 02/22/2021] [Indexed: 06/12/2023]
Abstract
The toxicity of copper, cadmium, and dieldrin in adult Gammarus locusta (a marine amphipod) is currently unclear. Thus, G. locusta from the North Lake of Tunis were subjected to acute toxicity tests to assess LC50s at 48-96 h and to biomarker response tests through the assessment of catalase and acetylcholinesterase activities and malondialdehyde levels. The present study demonstrated the abilities of a chlorinated hydrocarbon pesticide (dieldrin) induce to oxidative stress and neurotoxicity. The comparison of metal toxicity showed that G. locusta was more sensitive to cadmium than copper. The three stressors caused significant inductions of all three biomarkers in a concentration-dependent manner. Catalase induction was dependent on exposure duration for all pollutants, while only copper led to increased malondialdehyde with longer exposure times. Catalase induction and malondialdehyde increase appeared to be sex dependent for all three pollutants. The neurotoxic effects of the pollutants were concentration dependent according to inhibition of acetylcholinesterase activity. In conclusion, catalase, malondialdehyde, and acetylcholinesterase are efficient biomarkers of copper, cadmium, and dieldrin in G. locusta.
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Affiliation(s)
- Mohamed Dellali
- Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, University of Carthage, 7021, Zarzouna, Tunisia
| | - Amel Douggui
- Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, University of Carthage, 7021, Zarzouna, Tunisia
| | - Abdel Halim Harrath
- Zoology Department, College of Science, King Saud University, Box 2455, Riyadh, 11451, Saudi Arabia
| | - Lamjed Mansour
- Zoology Department, College of Science, King Saud University, Box 2455, Riyadh, 11451, Saudi Arabia
| | - Saleh Alwasel
- Zoology Department, College of Science, King Saud University, Box 2455, Riyadh, 11451, Saudi Arabia
| | - Hamouda Beyrem
- Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, University of Carthage, 7021, Zarzouna, Tunisia
| | | | - Melissa Rohal-Lupher
- Texas Water Development Board, 1700 North Congress Avenue, Austin, TX, 78701, USA
| | - Fehmi Boufahja
- Faculty of Sciences of Bizerte, Laboratory of Environment Biomonitoring, Coastal Ecology and Ecotoxicology Unit, University of Carthage, 7021, Zarzouna, Tunisia.
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11
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Nilin J, Santana LMBM, Silva A, Costa-Lotufo LV. Biological responses of mangrove oysters (Crassostrea rhizophorae) and mercury contamination in an urban tropical estuary. MARINE POLLUTION BULLETIN 2021; 166:112233. [PMID: 33740657 DOI: 10.1016/j.marpolbul.2021.112233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 02/17/2021] [Accepted: 02/25/2021] [Indexed: 06/12/2023]
Abstract
This study aimed to assess the biological responses of oysters from an urban estuary in Northeast Brazil, through the evaluation of biochemical and physiological biomarkers, and integrate these responses with the investigation of mercury seasonal contamination. Oysters and sediment were collected from three sites in the estuary of the Ceará River during dry and rainy seasons. Biomarkers (AchE, CaE, GST, CAT, and Condition Index) were analyzed in different tissues. Hg bioaccumulation was higher in animals sampled in the rainy season, with increases varying from 5% to 136%, compared to the dry season. The changes in biomarkers highlight already elevated stresses for the organisms at the inner portion of the estuary, near the confluence with the Maranguapinho River, mainly during the rainy season, corroborating other studies that showed ecotoxicological effects with water and sediment samples. Finally, no correlation between Hg in sediment/oyster and biomarker results was observed.
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Affiliation(s)
- Jeamylle Nilin
- Instituto de Biologia, Universidade Federal de Uberlândia, Av. Ceará, s/n Bloco D sala 28, 38405-302 Uberlândia, Minas Gerais, Brazil.
| | - Lígia M B M Santana
- Instituto de Ciências do Mar (Labomar) Universidade Federal do Ceará, Av. Abolição 3205, 60165-081 Fortaleza, Ceará, Brazil; Center for Environmental and Marine Studies (CESAM), Aveiro University (UA), 3810-193 Aveiro, Portugal
| | - Allyson Silva
- Instituto de Ciências do Mar (Labomar) Universidade Federal do Ceará, Av. Abolição 3205, 60165-081 Fortaleza, Ceará, Brazil
| | - Leticia Veras Costa-Lotufo
- Departamento de Farmacologia, Instituto de Ciências Biomédicas (ICB), Universidade de São Paulo (USP), Av. Lineu Prestes 1524, Prédio Biomédicas I, sala 213 Butantã, 05508900 São Paulo, SP, Brazil
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12
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Gomes AS, Castro BB, Nunes B. First characterization of the ecotoxicity of paraffin particles: assessment of biochemical effects in the marine polychaete Hediste diversicolor. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:45742-45754. [PMID: 32803587 DOI: 10.1007/s11356-020-10390-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Accepted: 08/03/2020] [Indexed: 06/11/2023]
Abstract
Plastics are a widespread environmental problem, particularly in the form of small particles or fragments (microplastics). With the purpose of gradually replacing the use of plastics in cosmetic products (primary microplastics), the use of paraffin in microspheres has recently been applied. Paraffin waxes are composed by organic molecules usually derived from petroleum, thus assumed to be chemically and biologically inert, having a lower (eco)toxicity and residence time compared with plastic particles. However, the low ecotoxicity of paraffin waxes may be somewhat questionable, because some paraffin constituents can be absorbed and catabolized, thus exerting biological effects. The main objective of this study was to understand the potential toxic effects of paraffin microparticles on key physiological processes of the polychaete Hediste diversicolor. To attain this objective, this work assessed the acute and chronic effects of three densities (5, 20, and 80 mg L-1) of four size ranges of paraffin particles (from 100 to 1200 μm) on this epibenthic organism. Although paraffin wax can be generically considered innocuous, the present study was able to demonstrate a significant inhibition in the activity of acetylcholinesterase in acutely exposed organisms and an increase in the activity of glutathione peroxidase, catalase, and glutathione S-transferase under some specific scenarios.
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Affiliation(s)
- Ana Sofia Gomes
- Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Bruno B Castro
- Centro de Biologia Molecular e Ambiental (CBMA), Departamento de Biologia, Universidade do Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Bruno Nunes
- Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
- Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus de Santiago, 3810-193, Aveiro, Portugal.
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13
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Mansour C, Guibbolini M, Rouane Hacene O, Saidane Mosbahi D, Risso-de Faverney C. Oxidative Stress and Damage Biomarkers in Clam Ruditapes decussatus Exposed to a Polluted Site: The Reliable Biomonitoring Tools in Hot and Cold Seasons. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2020; 78:478-494. [PMID: 32016484 DOI: 10.1007/s00244-020-00713-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 01/23/2020] [Indexed: 06/10/2023]
Abstract
In the present study, a multi-biomarker approach was used to assess the biological effects of metal pollution in the southern lagoon of Tunis, on clam Ruditapes decussatus both in "hot" (in summer) and "cold" (in winter) seasons. Clams were collected in August 2015 and February 2016 from three sites of the lagoon and from Louza considered a reference site. The concentrations of five trace metals (cadmium, copper, iron, lead, and zinc) in the soft tissues of R. decussatus were evaluated at the sampling sites. A core of biomarkers indicative of (a) neurotoxicity (acetylcholinesterase, AChE); (b) biotransformation (glutathione S-transferase, GST); (c) oxidative stress (catalase, CAT; total glutathione peroxidase, T-GPx; total glutathione peroxidase, T-GPx; selenium-dependent glutathione peroxidase, Se-GPx; glutathione reductase, GR; superoxide dismutase, SOD) (d) lipid peroxidation (malondialdhyde, MDA level), and (e) apoptotic process (caspase 3-like, CSP3) was selected for measurements of environmental effects on the populations of clams collected from the different sampling sites. The results of metal bioaccumulation in soft tissues of Ruditapes decussatus revealed a high pollution in the South Lagoon of Tunis with spatial variation and relatively high levels at the navigation channel. Anthropogenic pollutants in the lagoon led to the activation of antioxidant defense and biotransformation enzymes to oxidative damage of the membrane and activation of apoptosis, and revealed neurotoxicity. Among this core of biomarkers, the antioxidants enzymes (CAT, SOD, GR, and GPx) were very sensitive, allowing the discrimination among sites and pointing to the navigation channel as the most impacted site in the southern lagoon of Tunis. Moreover, a significant effect of season was recorded on biomarkers responses (e.g., CAT, GR, SOD, AChE, and CSP3 activities and MDA levels) with higher levels in winter than in summer, probably influenced by the reproductive stage and food availability. Finally, the measurement of the selected core of biomarkers in the whole soft tissues of clams was considered as an integrated indicator of environmental stress. Moreover, R. decussatus proved to be a remarkable sentinel species capable to establish a reliable diagnosis of the health status of the marine environment in different areas of the southern lagoon of Tunis, both in "hot" and "cold" seasons.
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Affiliation(s)
- Chalbia Mansour
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, Ibn Sina Street, 5000, Monastir, Tunisia.
| | - Marielle Guibbolini
- University Côte d'Azur, CNRS, ECOSEAS, UMR 7035, 28 Avenue Valrose BP 71, 06108, Nice Cedex 2, France
| | - Omar Rouane Hacene
- Laboratoire Réseau de Surveillance Environnementale (LRSE), Department of Biology, University of Oran, 1 Ahmed Ben Bella, BP 1524 El M'naouer, 31000, Oran, Algeria
| | - Dalila Saidane Mosbahi
- Laboratory of Analysis, Treatment and Valorization of Pollutants of the Environment and Products, Faculty of Pharmacy, University of Monastir, Ibn Sina Street, 5000, Monastir, Tunisia
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14
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Chalghmi H, Bourdineaud JP, Chbani I, Haouas Z, Bouzid S, Er-Raioui H, Saidane-Mosbahi D. Occurrence, sources and effects of polycyclic aromatic hydrocarbons in the Tunis lagoon, Tunisia: an integrated approach using multi-level biological responses in Ruditapes decussatus. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:3661-3674. [PMID: 30675713 DOI: 10.1007/s11356-019-04220-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 01/10/2019] [Indexed: 06/09/2023]
Abstract
Coastal lagoons are critical ecosystems presenting a strategic economic importance, but they are subjected to potential anthropogenic impact. As part of the Tunis lagoon (Tunisia) biomonitoring study, levels, composition pattern and sources of polycyclic aromatic hydrocarbons (PAHs) in surface sediments along with their bioavailability in clam Ruditapes decussatus were investigated in polluted (S2-S4) and reference (S1) sites. In order to investigate the contamination effects at different biological levels in clams, a wide set of biomarkers, including gene expression changes, enzymatic activities disruption and histopathological alterations, was analysed. Biomarkers were integrated in a biomarker index (IBR index) to allow a global assessment of the biological response. Principal component analysis (PCA) was used for chemical and biological data integration to rank the sampling sites according to their global environmental quality. Sediment PAHs levels ranged between 144.5 and 3887.0 ng g-1 dw in the Tunis lagoon sites versus 92.6 ng g-1 dw in the reference site. The high PAH concentrations are due to anthropogenic activities around the lagoon. PAH composition profiles and diagnostic isomer ratios analysis indicated that PAHs were of both pyrolitic and petrogenic origins. Clams sampled from S2 and S3 exhibited the highest PAH contents with 2192.6 ng g-1 dw and 2371.4 ng g-1 dw, respectively. Elevated levels of tissue PAHs were associated to an increase in biotransformation and antioxidant activities, and lipid peroxidation levels along with an overexpression of different genes encoding for general stress response, mitochondrial metabolism and antioxidant defence, in addition to the emergence of severe and diverse histopathological alterations in the clams' digestive glands. IBR index was suitable for sampling sites ranking (S1 = 0 < S4 = 0.4 < S3 = 1.15 < S2 = 1.27) based on the level of PAH-induced stress in clams. PCA approach produced two components (PC1, 83.8% and PC2, 12.2%) that describe 96% of the variance in the data and thus highlighted the importance of integrating contaminants in sediments, their bioaccumulation and a battery of biomarkers of different dimensions for the assessment of global health status of coastal and lagoon areas.
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Affiliation(s)
- Houssem Chalghmi
- UMR CNRS 5805 EPOC, University of Bordeaux, Arcachon Marine Station, Place du Dr Peyneau, 33120, Arcachon, France.
- Laboratory of Analysis Treatment and Valorization of Environmental Pollutants and Products, Faculty of Pharmacy, University of Monastir, 5000, Monastir, Tunisia.
| | - Jean-Paul Bourdineaud
- UMR CNRS 5805 EPOC, University of Bordeaux, Arcachon Marine Station, Place du Dr Peyneau, 33120, Arcachon, France
| | - Ikram Chbani
- Laboratory of Environment, Oceanology and Natural Resources, Faculty of Sciences and Technology, University of Abdelmalek Essaâdi, B.P. 416, Tangier, Morocco
| | - Zohra Haouas
- Laboratory of Histology Cytology and Genetics, Faculty of Medicine, University of Monastir, 5019, Monastir, Tunisia
| | - Saida Bouzid
- Laboratory of Environment, Oceanology and Natural Resources, Faculty of Sciences and Technology, University of Abdelmalek Essaâdi, B.P. 416, Tangier, Morocco
| | - Hassan Er-Raioui
- Laboratory of Environment, Oceanology and Natural Resources, Faculty of Sciences and Technology, University of Abdelmalek Essaâdi, B.P. 416, Tangier, Morocco
| | - Dalila Saidane-Mosbahi
- Laboratory of Analysis Treatment and Valorization of Environmental Pollutants and Products, Faculty of Pharmacy, University of Monastir, 5000, Monastir, Tunisia
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15
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Lima D, Mattos JJ, Piazza RS, Righetti BPH, Monteiro JS, Grott SC, Alves TC, Taniguchi S, Bícego MC, de Almeida EA, Bebianno MJ, Medeiros ID, Bainy ACD. Stress responses in Crassostrea gasar exposed to combined effects of acute pH changes and phenanthrene. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 678:585-593. [PMID: 31078849 DOI: 10.1016/j.scitotenv.2019.04.450] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2018] [Revised: 04/24/2019] [Accepted: 04/30/2019] [Indexed: 06/09/2023]
Abstract
Ocean acidification is a result of the decrease in the pH of marine water, caused mainly by the increase in CO2 released in the atmosphere and its consequent dissolution in seawater. These changes can be dramatic for marine organisms especially for oysters Crassostrea gasar if other stressors such as xenobiotics are present. The effect of pH changes (6.5, 7.0 and 8.2) was assessed on the transcript levels of biotransformation [cytochromes P450 (CYP2AU1, CYP2-like2) and glutathione S-transferase (GSTΩ-like)] and antioxidant [superoxide dismutase (SOD-like), catalase (CAT-like) and glutathione peroxidase (GPx-like)] genes, as well as enzyme activities [superoxide dismutase, (SOD), catalase (CAT), glutathione reductase (GR), glutathione-S-transferases transferase (GST) and glucose-6-phosphate dehydrogenase (G6PDH)] and lipid peroxidation (MDA) in the gills of Crassostrea gasar exposed to 100 μg·L-1 of phenanthrene (PHE) for 24 and 96 h. Likewise, the PHE burdens was evaluated in whole soft tissues of exposed oysters. The accumulation of PHE in oysters was independent of pH. However, acidification promoted a significant decrease in the transcript levels of some protective genes (24 h exposure: CYP2AU1 and GSTΩ-like; 96 h exposure: CAT-like and GPx-like), which was not observed in the presence of PHE. Activities of GST, CAT and SOD enzymes increased in the oysters exposed to PHE at the control pH (8.2), but at a lower pH values, this activation was suppressed, and no changes were observed in the G6PDH activity and MDA levels. Biotransformation genes showed better responses after 24 h, and antioxidant-coding genes after 96 h, along with the activities of antioxidant enzymes (SOD, CAT), probably because biotransformation of PHE increases the generation of reactive oxygen species. The lack of change in MDA levels suggests that antioxidant modulation efficiently prevented oxidative stress. The effect of pH on the responses to PHE exposure should be taken into account before using these and any other genes as potential molecular biomarkers for PHE exposure.
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Affiliation(s)
- Daína Lima
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Jacó J Mattos
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Rômi S Piazza
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Bárbara Pacheco Harrison Righetti
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Jhonatas S Monteiro
- Marine Biotechnology Laboratory, Marine Sciences Institute, Federal University of São Paulo (IMar-UNIFESP), Santos 11070-100, Brazil
| | - Suelen Cristina Grott
- Center of Aquatic Toxicology Studies, Department of Natural Sciences, University of Blumenau, Blumenau, SC, Brazil
| | - Thiago Caique Alves
- Environmental Engineering Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | - Satie Taniguchi
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Márcia Caruso Bícego
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Eduardo Alves de Almeida
- Center of Aquatic Toxicology Studies, Department of Natural Sciences, University of Blumenau, Blumenau, SC, Brazil
| | - Maria J Bebianno
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil; CIMA, University of Algarve, Campus de Gambelas, 8000-139 Faro, Portugal
| | - Igor D Medeiros
- Marine Biotechnology Laboratory, Marine Sciences Institute, Federal University of São Paulo (IMar-UNIFESP), Santos 11070-100, Brazil
| | - Afonso C D Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil.
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16
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Minick DJ, Paulik LB, Smith BW, Scott RP, Kile ML, Rohlman D, Anderson KA. A passive sampling model to predict PAHs in butter clams (Saxidomus giganteus), a traditional food source for Native American tribes of the Salish Sea Region. MARINE POLLUTION BULLETIN 2019; 145:28-35. [PMID: 31590789 PMCID: PMC7094077 DOI: 10.1016/j.marpolbul.2019.05.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/17/2019] [Revised: 05/10/2019] [Accepted: 05/10/2019] [Indexed: 05/12/2023]
Abstract
Native Americans face disproportionate exposures to environmental pollution through traditional subsistence practices including shellfish harvesting. In this study, the collection of butter clams (Saxidomus giganteus) was spatially and temporally paired with deployment of sediment pore water passive samplers at 20 locations in the Puget Sound region of the Salish Sea in the Pacific Northwest, USA, within adjudicated usual and accustomed tribal fishing grounds and stations. Clams and passive samplers were analyzed for 62 individual PAHs. A linear regression model was constructed to predict PAH concentrations in the edible fraction of butter clams from the freely dissolved fraction (Cfree) in porewater. PAH concentrations can be predicted within a factor of 1.9 ± 0.2 on average from the freely dissolved PAH concentration in porewater using the following equation: PAHClam=4.1±0.1×PAHporewater This model offers a simplified, cost effective, and low impact approach to assess contaminant levels in butter clams which are an important traditional food.
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Affiliation(s)
- D James Minick
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - L Blair Paulik
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - Brian W Smith
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - Richard P Scott
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA
| | - Molly L Kile
- College of Public Health and Human Services, Oregon State University, Corvallis, OR, 97331, USA
| | - Diana Rohlman
- College of Public Health and Human Services, Oregon State University, Corvallis, OR, 97331, USA
| | - Kim A Anderson
- Department of Environmental and Molecular Toxicology, Oregon State University, Corvallis, OR, 97331, USA.
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Blanco-Rayón E, Guilhermino L, Irazola M, Ivanina AV, Sokolova IM, Izagirre U, Marigómez I. The influence of short-term experimental fasting on biomarker responsiveness in oil WAF exposed mussels. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 206:164-175. [PMID: 30496950 DOI: 10.1016/j.aquatox.2018.11.016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 11/18/2018] [Accepted: 11/19/2018] [Indexed: 06/09/2023]
Abstract
Mussels are widely used in toxicological experimentation; however, experimental setups are not standardized yet. Although there is evidence of changes in biomarker values during food digestion and depending on the mussel nutritive status, the mode of feeding differs among toxicological experiments. Typically, mussels are fed with different diets in different long-term experiments, while fasting is the most common approach for short-term studies. Consequently, comparisons among experiments and reliable interpretations of biomarker results are often unfeasible. The present investigation aimed at determining the influence of fasting (against feeding with Isochrysis galbana) on biomarkers and their responsiveness in mussels exposed for 96 h to the water accommodated fraction (WAF) of a heavy fuel oil (0%, 6.25%, 12.5% and 25% WAF in sea water). PAH tissue levels in digestive gland and a battery of biomarkers were compared. WAF exposure led to decrease of cytochrome-C-oxidase activity, modulated glutathione-S-transferase activity, augmented lipid peroxidation, inhibited acetyl cholinesterase (AChE) activity, and led to lysosomal enlargement (VvLYS and S/VLYS) and membrane destabilisation, lipofuscin accumulation, and histopathological alterations (VvBAS, MLR/MET and CTD ratio) in the digestive gland epithelium; and were integrated as IBR/n (biological response index). Overall, no significant changes were recorded in AChE activity, S/VLYS and CTD ratio in any experimental treatment, while all the other biomarkers showed significant changes depending on the fasting/feeding condition, the exposure to WAF and/or their interaction. As a result, the integrated biomarker index IBR/n was higher at increasing WAF exposure levels both in fasted and fed mussels albeit the response was more marked in the latter. The response profiles were qualitatively similar between fasted and fed mussels but quantitatively more pronounced in fed mussels, especially upon exposure to the highest concentration (25% WAF). Therefore, it is highly recommended that mussels are also supplied with food during short-term, like during long-term toxicological experiments. This practice would avoid the interference of fasting with biological responses elicited by the tested chemicals and allow for reliable comparison with data obtained in long-term experiments and monitoring programmes.
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Affiliation(s)
- E Blanco-Rayón
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology (ZTF/FCT) & Research Centre of Experimental Marine Biology and Biotechnology (Plentzia Marine Station, PiE-UPV/EHU), University of the Basque Country, Bilbo 48080, Basque Country, Spain
| | - L Guilhermino
- ICBAS - Institute of Biomedical Sciences of Abel Salazar, University of Porto, Department of Populations Study, Laboratory of Ecotoxicology (ECOTOX), Rua de Jorge Viterbo Ferreira, 228, 4050-313 Porto, Portugal & CIIMAR - Interdisciplinary Centre of Marine and Environmental Research, University of Porto, Research Team of Ecotoxicology, Stress Ecology and Environmental Health (ECOTOX), Portugal
| | - M Irazola
- IBeA Research Group, Department of Analytical Chemistry, Faculty of Science and Technology (ZTF/FCT) & Research Centre of Experimental Marine Biology and Biotechnology (Plentzia Marine Station, PiE-UPV/EHU), University of the Basque Country, Bilbo 48080, Basque Country, Spain
| | - A V Ivanina
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC 28223, United States
| | - I M Sokolova
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC 28223, United States; Department of Marine Biology, Institute for Biosciences & Department of Maritime Systems, Interdisciplinary Faculty, University of Rostock, Rostock 18055, Germany
| | - U Izagirre
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology (ZTF/FCT) & Research Centre of Experimental Marine Biology and Biotechnology (Plentzia Marine Station, PiE-UPV/EHU), University of the Basque Country, Bilbo 48080, Basque Country, Spain
| | - I Marigómez
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology (ZTF/FCT) & Research Centre of Experimental Marine Biology and Biotechnology (Plentzia Marine Station, PiE-UPV/EHU), University of the Basque Country, Bilbo 48080, Basque Country, Spain.
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18
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Lima D, Zacchi FL, Mattos JJ, Flores-Nunes F, Gomes CHADM, de Mello ÁCP, Siebert MN, Piazza CE, Taniguchi S, Sasaki ST, Bícego MC, Bebianno MJ, de Almeida EA, Bainy ACD. Molecular and cellular effects of temperature in oysters Crassostrea brasiliana exposed to phenanthrene. CHEMOSPHERE 2018; 209:307-318. [PMID: 29933167 DOI: 10.1016/j.chemosphere.2018.06.094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2017] [Revised: 06/11/2018] [Accepted: 06/12/2018] [Indexed: 06/08/2023]
Abstract
Exposure of aquatic organisms to polycyclic aromatic hydrocarbons (PAH), such as phenanthrene (PHE), may increase the production of reactive oxygen species (ROS) and cause changes in the biotransformation systems. In addition, changes in water temperature can cause adverse effects in the organisms. Estuarine species, like the oyster Crassostrea brasiliana, can adapt and tolerate temperature variation. To evaluate the influence of temperature on biological responses of C. brasiliana exposed to PHE, oysters were maintained at three temperatures (18, 24 and 32 °C) for 15 days and co-exposed afterwards to 100 μg.L-1 of PHE for 24 and 96 h. Levels of PHE in the water and oyster tissues were determined, respectively after 24 and 96 h. In addition, thermal stress, biotransformation and oxidative stress-related genes were analyzed in oyster gills, together with the activity of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione-S-transferases (GST) and levels of lipid peroxidation. Oyster accumulated significant levels of PHE. HSP70-like transcripts were affected by PHE exposure only at 32 °C. Transcript levels of cytochrome P450 isoforms (CYP2-like2 and CYP2AU1) were down-regulated in oysters exposed to PHE for 24 h at 32 °C. GSTΩ-like transcript levels were also down-regulated in the PHE-exposed group at 32 °C. After 96 h, CYP2-like2 transcripts were higher in the PHE exposed groups at 32 °C. Oysters kept at 18 °C showed higher levels of SOD-like transcripts, together with higher GST, GPx and G6PDH activities, associated to lower levels of lipoperoxidation. In general the biological responses evaluated were more affected by temperature, than by co-exposure to PHE.
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Affiliation(s)
- Daína Lima
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Flávia Lucena Zacchi
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Jacó Joaquim Mattos
- Aquaculture Pathology Research, NEPAQ, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Fabrício Flores-Nunes
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Carlos Henrique Araújo de Miranda Gomes
- Laboratory of Marine Mollusks (LMM), Department of Aquaculture, Center of Agricultural Science, Federal University of Santa Catarina, Florianópolis, SC, Brazil
| | - Álvaro Cavaler Pessoa de Mello
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Marília Nardelli Siebert
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Clei Endrigo Piazza
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil
| | - Satie Taniguchi
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Silvio Tarou Sasaki
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Márcia Caruso Bícego
- Laboratory of Marine Organic Chemistry, Oceanographic Institute, University of São Paulo, São Paulo, Brazil
| | - Maria João Bebianno
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil; CIMA, University of Algarve, Campus de Gambelas, 8000-139 Faro, Portugal
| | - Eduardo Alves de Almeida
- Department of Natural Sciences, Fundação Universidade Regional de Blumenau, Blumenau, SC, Brazil
| | - Afonso Celso Dias Bainy
- Laboratory of Biomarkers of Aquatic Contamination and Immunochemistry, Department of Biochemistry, Federal University of Santa Catarina, UFSC, Florianópolis, SC, Brazil.
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19
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Nunes B, Resende ST. Cholinesterase characterization of two autochthonous species of Ria de Aveiro (Diopatra neapolitana and Solen marginatus) and comparison of sensitivities towards a series of common contaminants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2017; 24:12155-12167. [PMID: 28353098 DOI: 10.1007/s11356-017-8761-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 03/07/2017] [Indexed: 06/06/2023]
Abstract
Biomonitoring of chemical contamination requires the use of well-established and validated tools, including biochemical markers that can be potentially affected by exposure to important environmental toxicants. Cholinesterases (ChEs) are present in a large number of species and have been successfully used for decades to discriminate the environmental presence of specific groups of pollutants. The success of cholinesterase inhibition has been due to their usefulness as a biomarker to address the presence of organophosphate (OP) and carbamate (CB) pesticides. However, its use in ecotoxicology has not been limited to such chemicals, and several other putative classes of contaminants have been implicated in cholinesterasic impairment. Nevertheless, the use of cholinesterases as a monitoring tool requires its full characterization in species to be used as test organisms. This study analyzed and differentiated the various cholinesterase forms present in two autochthonous organisms from the Ria de Aveiro (Portugal) area, namely the polychaete Diopatra neapolitana and the bivalve Solen marginatus, to be used in subsequent monitoring studies. In addition, this study also validated the putative use of the now characterized cholinesterasic forms by analyzing the in vitro effects of common anthropogenic contaminants, such as detergents, pesticides, and metals. The predominant cholinesterasic form found in tissues of D. neapolitana was acetylcholinesterase, while homogenates of S. marginatus were shown to possess an atypical cholinesterasic form, with a marked preference for propionylthiocholine. Cholinesterases from D. neapolitana were generally non-responsive towards the majority of the selected chemicals. On the contrary, strong inhibitory effects were reported for ChEs of S. marginatus following exposure to the selected pesticides.
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Affiliation(s)
- Bruno Nunes
- Departamento de Biologia, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
- Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal.
| | - Sara Teixeira Resende
- Centro de Estudos do Ambiente e do Mar (CESAM), Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
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20
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Li L, Jiang M, Shen X. Variability in antioxidant/detoxification enzymes of Sinonovacula constricta exposed to benzo[a]pyrene and phenanthrene. MARINE POLLUTION BULLETIN 2016; 109:507-511. [PMID: 27216044 DOI: 10.1016/j.marpolbul.2016.05.013] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 05/03/2016] [Accepted: 05/04/2016] [Indexed: 06/05/2023]
Abstract
The purpose of this study was to investigate the toxic effects induced by benzo[a]pyrene and phenanthrene. For this purpose, a study was performed on the clam exposed to 0.0, 0.5, 4.5μgL(-1) B(a)P and PHE for 15days using parameters of antioxidant defenses and oxidative stress. Antioxidant biomarkers including ethoxyresorufin-O-deethylase, glutathione S-transferase, superoxide dismutase, and glutathione and rylhydrocarbon hydroxylasein gills of Sinonovacula constricta, were analyzed after a 1-, 3-, 9- and 15-day exposure to seawater containing B(a)P and PHE. Integrated biomarker response was calculated by combining multiple biomarkers into a single value. The results showed that the activity of all antioxidant biomarkers was induced throughout the exposure period, and different patterns of variations were detected with exposure time. In addition, the study showed that the two concentrations used caused the activation of different general detoxification mechanisms, and the same concentration at different two PAH compounds induced different toxicity responses.
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Affiliation(s)
- Lei Li
- East China Sea Fisheries R esearch Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Mei Jiang
- East China Sea Fisheries R esearch Institute, Chinese Academy of Fishery Sciences, Shanghai, China.
| | - Xinqiang Shen
- East China Sea Fisheries R esearch Institute, Chinese Academy of Fishery Sciences, Shanghai, China
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21
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Ertl NG, O'Connor WA, Brooks P, Keats M, Elizur A. Combined exposure to pyrene and fluoranthene and their molecular effects on the Sydney rock oyster, Saccostrea glomerata. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 177:136-145. [PMID: 27286571 DOI: 10.1016/j.aquatox.2016.05.012] [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: 02/16/2016] [Revised: 05/15/2016] [Accepted: 05/20/2016] [Indexed: 06/06/2023]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) are ubiquitously detected in the water column, associated with particulate matter or in the tissue of marine organisms such as molluscs. PAH exposure and their resultant bioaccumulation in molluscs can cause a range of serious physiological effects in the affected animals. To examine the molecular response of these xenobiotics in bivalves, Sydney rock oysters (Saccostrea glomerata) were exposed to pyrene and fluoranthene for seven days. Chemical analysis of the soft-tissue of PAH stressed S. glomerata confirmed that pyrene and fluoranthene could be bioaccumulated by these oysters. RNA-Seq analysis of PAH-exposed S. glomerata showed a total of 765 transcripts differentially expressed between control and PAH-stressed oysters. Closer examination of the transcripts revealed a range genes encoding enzymes involved in PAH detoxification (e.g. cytochrome P450), innate immune responses (e.g. pathogen recognition, phagocytosis) and protein synthesis. Overall, pyrene and fluoranthene exposure appears to have resulted in a suppression of pathogen recognition and some protein synthesis processes, whereas transcripts of genes encoding proteins involved in clearance of cell debris and some transcripts of genes involved in PAH detoxification were induced in response to the stressors. Pyrene and fluoranthene exposure thus invoked a complex molecular response in S. glomerata, with results suggesting that oysters focus on removing the stressors from their system and dealing with the downstream effects of PAH exposure, potentially at the exclusion of other, less immediate concerns (e.g. protection from infection).
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Affiliation(s)
- Nicole G Ertl
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia; Australian Seafood Cooperative Research Centre, South Australia, Australia.
| | - Wayne A O'Connor
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia; Department of Primary Industries, New South Wales, Australia. wayne.o'
| | - Peter Brooks
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
| | - Michael Keats
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
| | - Abigail Elizur
- University of the Sunshine Coast, Sippy Downs, Queensland, Australia.
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22
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Bin P, Shen M, Li H, Sun X, Niu Y, Meng T, Yu T, Zhang X, Dai Y, Gao W, Gu G, Yu S, Zheng Y. Increased levels of urinary biomarkers of lipid peroxidation products among workers occupationally exposed to diesel engine exhaust. Free Radic Res 2016; 50:820-30. [PMID: 27087348 DOI: 10.1080/10715762.2016.1178738] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Diesel engine exhaust (DEE) was found to induce lipid peroxidation (LPO) in animal exposure studies. LPO is a class of oxidative stress and can be reflected by detecting the levels of its production, such as malondialdehyde (MDA) and 4-hydroxynonenal (4-HNE), and etheno-DNA adducts including 1,N(6)-etheno-2'-deoxyadenosine (ɛdA) and 3,N(4)-etheno-2'-deoxycytidine (ɛdC). However, the impact of DEE exposure on LPO has not been explored in humans. In this study, we evaluated urinary MDA, 4-HNE, ɛdA, and ɛdC levels as biomarkers of LPO among 108 workers with exclusive exposure to DEE and 109 non-DEE-exposed workers. Results showed that increased levels of urinary MDA and ɛdA were observed in subjects occupationally exposed to DEE before and after age, body mass index (BMI), smoking status, and alcohol use were adjusted (all p < 0.001). There was a statistically significant relationship between the internal exposure dose (urinary ΣOH-PAHs) and MDA, 4-HNE, and ɛdA (all p < 0.001). Furthermore, significant increased relations between urinary etheno-DNA adduct and MDA, 4-HNE were observed (all p < 0.05). The findings of this study suggested that the level of LPO products (MDA and ɛdA) was increased in DEE-exposed workers, and urinary MDA and ɛdA might be feasible biomarkers for DEE exposure. LPO induced DNA damage might be involved and further motivated the genomic instability could be one of the pathogeneses of cancer induced by DEE-exposure. However, additional investigations should be performed to understand these observations.
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Affiliation(s)
- Ping Bin
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Meili Shen
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Haibin Li
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Xin Sun
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Yong Niu
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Tao Meng
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Tao Yu
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Xiao Zhang
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Yufei Dai
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
| | - Weimin Gao
- b Department of Environmental Toxicology , The Institute of Environmental and Human Health, Texas Tech University , Lubbock , TX , USA
| | - Guizhen Gu
- c Henan Provincial Institute of Occupational Health , Zhengzhou , Henan , China
| | - Shanfa Yu
- c Henan Provincial Institute of Occupational Health , Zhengzhou , Henan , China
| | - Yuxin Zheng
- a Key Laboratory of Chemical Safety and Health , National Institute for Occupational Health and Poison Control, Chinese Center for Disease Control and Prevention , Beijing , China
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23
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Freitas R, Coelho D, Pires A, Soares AMVM, Figueira E, Nunes B. Preliminary evaluation of Diopatra neapolitana regenerative capacity as a biomarker for paracetamol exposure. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:13382-13392. [PMID: 25940485 DOI: 10.1007/s11356-015-4589-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/12/2014] [Accepted: 04/22/2015] [Indexed: 06/04/2023]
Abstract
An increasing number of studies established unequivocal relationships between exposure to pharmaceutical drugs and toxicity in wildlife. However, few studies investigated physiological alterations caused by such compounds in polychaetes. Thus, in this study, the effects of increasing concentrations of paracetamol were studied in the polychaete Diopatra neapolitana using tissue regenerative capacity as a biomarker. The obtained results revealed that individuals exposed to ecologically relevant concentrations (namely, 25 μg/L) of paracetamol exhibited significantly lower capacity to regenerate their body in comparison with control organisms. This study evidenced that paracetamol can induce significant physiological alterations in D. neapolitana resulting in an overall diminished regenerative capacity, which is of significance to a species with high ecological and economic relevance. Additionally, this study indicates the promise of D. neapolitana as a test organism in laboratory-based bioassays, but also as an adequate sentinel species to pharmaceutical drugs.
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Affiliation(s)
- Rosa Freitas
- Departamento de Biologia & CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal,
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24
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Sellami B, Khazri A, Louati H, Dellali M, Driss MR, Aïssa P, Mahmoudi E, Hamouda B, Coelho AV, Sheehan D. Effects of anthracene on filtration rates, antioxidant defense system, and redox proteomics in the Mediterranean clam Ruditapes decussatus (Mollusca: Bivalvia). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2015; 22:10956-10968. [PMID: 25779113 DOI: 10.1007/s11356-015-4328-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/28/2014] [Accepted: 03/05/2015] [Indexed: 06/04/2023]
Abstract
This study aimed at analyzing the impact of a toxic polyaromatic hydrocarbon (PAH), anthracene (ANT), on Ruditapes decussatus collected from a Tunisian coastal lagoon (Bizerte Lagoon). Filtration rates, several antioxidant enzymes--superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), and glutathione transferase (GST)--as well as indices of protein oxidation status were determined in various tissues of this bivalve. Specimens were exposed to 100 μg/L of ANT for 2 days. ANT levels were evaluated using HPLC and were detected in the gill and digestive gland at different amounts. ANT exposure altered the behavior of bivalves by changing the siphon movement and decreasing filtration rate significantly. The enzymatic results indicated that ANT exposure affected the oxidative stress status of the gills of R. decussatus. In addition, modification of proteins was detected in the gills using redox proteomics after ANT treatment. Three protein spots were successfully identified by matrix-assisted laser desorption/ionization tandem time-of-flight mass spectrometry (MALDI-TOF-MS). These proteins can be roughly related to muscle contraction function. In contrast, no significant modification of enzymatic and protein responses was detected in the digestive gland after ANT treatment. These data demonstrate that combined behavioral and biochemical analyses are a powerful tool to provide valuable insights into possible mechanisms of toxicity of anthracene in R. decussatus. Additionally, the results highlight the potential of the gill as a valuable candidate for investigating PAH toxicity.
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Affiliation(s)
- Badreddine Sellami
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021, Zarzouna, Tunisia,
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25
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Sellami B, Khazri A, Mezni A, Louati H, Dellali M, Aissa P, Mahmoudi E, Beyrem H, Sheehan D. Effect of permethrin, anthracene and mixture exposure on shell components, enzymatic activities and proteins status in the Mediterranean clam Venerupis decussata. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2015; 158:22-32. [PMID: 25461742 DOI: 10.1016/j.aquatox.2014.10.020] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2014] [Revised: 10/20/2014] [Accepted: 10/25/2014] [Indexed: 06/04/2023]
Abstract
Anthracene (ANT) and permethrin (PER) are two of the more toxic compounds reaching the marine environment. This study aimed to determine the impact of these molecules on Venerupis decussata, an economically important species cultured on the Tunisian coast. Shell structure and its possible transformation upon exposure to the two contaminants were studied by X-ray diffraction and gravimetric analyses. Results revealed a phase transition in shell composition from aragonite to calcite after PER exposure, to a mixture of PER and ANT (Mix) but not for ANT alone. Catalase (CAT), superoxide dismutase (SOD) and glutathione transferase (GST) activities were determined in digestive gland and gills after exposure to ANT, PER and Mix to assess the impact of the contamination on the oxidative status of V. decussata. Enzyme activities increased in the digestive gland after PER treatment and in the gills after ANT treatment. PER exposure significantly reduced the levels of free thiols and increased levels of carbonylated proteins in the digestive gland, as compared to controls. In contrast, ANT exposure significantly reduced free thiols and increased the number of carbonylated proteins in the gills. Mix induced additive effects as measured by both enzymatic and proteomic approaches. The present study suggests that PER has a strong effect on shell structure; that PER and ANT exposure generate compound-dependent oxidative stress in the tissues of V. decussata and that a mixture of the two compounds has synergistic effects on biochemical response.
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Affiliation(s)
- Badreddine Sellami
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia.
| | - Abdelhafidh Khazri
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Amine Mezni
- Unit of Research 99/UR12-30, Department of Chemistry, Faculty of Sciences of Bizerte, 7021 Jarzouna, Tunisia
| | - Héla Louati
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Mohamed Dellali
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Patricia Aissa
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Ezzeddine Mahmoudi
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - Hamouda Beyrem
- Laboratory of Environment Biomonitoring, Coastal Ecology Unit, Faculty of Sciences of Bizerta, University of Carthage, 7021 Zarzouna, Tunisia
| | - David Sheehan
- Environmental Research Institute and Department of Biochemistry, University College Cork, Western Gateway Building, Western Road, Cork, Ireland.
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26
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Physiological and biochemical responses of three Veneridae clams exposed to salinity changes. Comp Biochem Physiol B Biochem Mol Biol 2014; 177-178:1-9. [DOI: 10.1016/j.cbpb.2014.08.001] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2014] [Revised: 07/31/2014] [Accepted: 08/05/2014] [Indexed: 11/23/2022]
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27
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Almeida A, Calisto V, Esteves VI, Schneider RJ, Soares AMVM, Figueira E, Freitas R. Presence of the pharmaceutical drug carbamazepine in coastal systems: effects on bivalves. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 156:74-87. [PMID: 25164595 DOI: 10.1016/j.aquatox.2014.08.002] [Citation(s) in RCA: 111] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 07/01/2014] [Accepted: 08/01/2014] [Indexed: 06/03/2023]
Abstract
Carbamazepine (CBZ), an antiepileptic drug, is one of the most commonly detected pharmaceutical drugs in aquatic ecosystems, and is used as a marker of urban pollution. Since CBZ is designed to exert a biological effect, when it reaches aquatic environment high probability exist for toxic effects on non-target organisms. The present study evaluated the acute toxicity of environmentally relevant concentrations of CBZ (0.00, 0.03, 0.30, 3.00, 9.00μg/L) in the edible clams Venerupis decussata (a native species) and Venerupis philippinarum (an invasive species) collected from the Ria de Aveiro. The effects on both species were assessed through the use of a battery of biomarkers mainly related with health status and oxidative stress. Furthermore, in this work an alternative and promising tool, the direct competitive immunoassay ELISA, for the direct CBZ quantification in clam's tissues, was applied. The results of the present work showed that CBZ in clam's tissues increased with the exposure concentration and V. decussata gave slightly higher values than V. philippinarum. Although the clams accumulated lower levels of CBZ than the concentration of exposure, these concentrations were enough to impair the health status and induce oxidative stress. However, a different response to CBZ was observed in the two species. While in V. philippinarum the lipid peroxidation levels increased at the highest CBZ concentration (9.00μg/L), in V. decussata a significant decrease was seen. Moreover, glutathionse S-transferase activity was stimulated in V. decussata and decreased in V. philippinarum. Nevertheless, an induction of glutathione reductase, superoxide dismutase and cytochrome P450 3A4 activities was found in both species as a result of the exposure. The results indicate that, probably, V. philippinarum have a less efficient antioxidant system than V. decussata, and are therefore less capable to neutralize oxidative stress and consequently more sensitive to CBZ. The risk quotient determined for the Ria de Aveiro was higher than 1 indicating that a ecotoxicological risk is suspected. Furthermore, bioaccumulation of CBZ in clams should be taken into consideration since this chemical might be transferred along the food chain and affect non-target organisms.
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Affiliation(s)
- Angela Almeida
- Biology Department, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Vânia Calisto
- Chemistry Department & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Valdemar I Esteves
- Chemistry Department & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rudolf J Schneider
- BAM Federal Institute for Materials Research and Testing, Richard-Willstaetter -Str. 11, D-12489 Berlin, Germany
| | | | - Etelvina Figueira
- Biology Department & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Biology Department & CESAM, University of Aveiro, 3810-193 Aveiro, Portugal.
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Carregosa V, Velez C, Pires A, Soares AMVM, Figueira E, Freitas R. Physiological and biochemical responses of the Polychaete Diopatra neapolitana to organic matter enrichment. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 155:32-42. [PMID: 24973779 DOI: 10.1016/j.aquatox.2014.05.029] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/20/2014] [Revised: 05/26/2014] [Accepted: 05/29/2014] [Indexed: 06/03/2023]
Abstract
Several studies have demonstrated that organic matter enrichment may be associated to aquaculture, leading to impoverished benthic communities and species succession with loss of biodiversity, but very few studies have investigated biochemical and physiological alterations that species affected by aquaculture activities undergo. Thus, in the present study, the effects of the organic enrichment originating from an oyster culture were studied in the Polychaete Diopatra neapolitana, a species already shown to be sensitive to inorganic contamination. For this, physiological responses and biochemical alterations were evaluated. The results obtained revealed that individuals from highly organically enriched areas presented lower capacity to regenerate their body but higher glycogen and protein levels. Furthermore, with increasing organic matter D. neapolitana increased the lipid peroxidation (LPO), the oxidized glutathione content (GSSG) and Glutathione S-transferase activity (GSTs) content, and the activity of the antioxidant enzymes catalase (CAT) and superoxide dismutase (SOD). This study evidenced that organic matter enrichment induced biochemical and physiological alterations in D. neapolitana. Thus, this species was shown to be a good sentinel species to monitor organic contamination.
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Affiliation(s)
- Vanessa Carregosa
- Departamento de Biologia, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Cátia Velez
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Adília Pires
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Amadeu M V M Soares
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Etelvina Figueira
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal
| | - Rosa Freitas
- Departamento de Biologia & CESAM, Universidade de Aveiro, 3810-193 Aveiro, Portugal.
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Lin T, Yu S, Chen Y, Chen W. Integrated biomarker responses in zebrafish exposed to sulfonamides. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 38:444-452. [PMID: 25136777 DOI: 10.1016/j.etap.2014.07.020] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2014] [Revised: 07/21/2014] [Accepted: 07/25/2014] [Indexed: 06/03/2023]
Abstract
Dispersed pharmaceuticals such as sulfonamides pose a threat to aquatic ecosystems. We evaluated potential biomarkers of sulfonamide exposure using an extended zebrafish (Danio rerio) toxicity test. The tested sulfonamides induced obvious effects on spontaneous swimming activity and heartbeat rate in zebrafish. Glutathione S-transferase (GST) and malondialdehyde (MDA) were examined to reflect the biomarker response of zebrafish exposed to three sulfonamides (sulfamethoxazole, sulfadiazine (SDZ) and sulfadimidine). Both GST and MDA showed time-dependent responses to sulfonamide exposure. GST activity was significantly increased after exposure to sulfonamides for 3 days, while MDA concentration reached a maximum during the first day and then declined. These results suggest that MDA may be a more sensitive biomarker of sulfonamide toxicity than GST. These investigations demonstrated that SDZ was a typical inducer of metabolic enzymes, suggesting that it poses a potential ecotoxicological risk to aquatic ecosystems.
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Affiliation(s)
- Tao Lin
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Hohai University, Nanjing 210098, PR China; College of Environment, Hohai University, Nanjing 210098, PR China.
| | - Shilin Yu
- College of Environment, Hohai University, Nanjing 210098, PR China
| | - Yanqiu Chen
- College of Environment, Hohai University, Nanjing 210098, PR China
| | - Wei Chen
- Ministry of Education Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Hohai University, Nanjing 210098, PR China; College of Environment, Hohai University, Nanjing 210098, PR China
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Marques JA, de Assis HCS, Guiloski IC, Sandrini-Neto L, Carreira RS, Lana PC. Antioxidant defense responses in Mytella guyanensis (Lamarck, 1819) exposed to an experimental diesel oil spill in Paranaguá Bay (Paraná, Brazil). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2014; 107:269-275. [PMID: 25011124 DOI: 10.1016/j.ecoenv.2014.06.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2013] [Revised: 05/23/2014] [Accepted: 06/03/2014] [Indexed: 06/03/2023]
Abstract
We evaluated the effects of diesel oil on the bivalve Mytella guyanensis using biomarkers of oxidative stress (glutathione S-transferase, glutathione peroxidase, and reduced glutathione) after an experimental in situ spill in a mangrove area in southern Brazil. A linear model was developed for the Multiple Before-After Control-Impact (MBACI) experimental design to assess the significance of biological responses. Control and impacted sites were sampled seven and two days before as well as two and seven days after the spill. With the exception of a late response of reduced glutathione (GSH) levels on day seven, none of the biomarkers were significantly altered by the impact. This result was attributed to the high environmental variability of the experimental sites combined with a low sensitivity of Mytella guyanensis to diesel oil at short time-scales. The high resistance of M. guyanensis suggests that its antioxidant response is triggered only after a medium- to long-term exposure to contaminants.
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Affiliation(s)
- Joseane A Marques
- Laboratório de Bentos, Centro de Estudos do Mar, Universidade Federal do Paraná, Av. Beira Mar, s/n, CEP 83255-000 Pontal do Paraná, PR, Brazil.
| | - Helena C Silva de Assis
- Departamento de Farmacologia, Universidade Federal do Paraná, Caixa Postal 19031, CEP 81531-970 Curitiba, PR, Brazil
| | - Izonete C Guiloski
- Departamento de Farmacologia, Universidade Federal do Paraná, Caixa Postal 19031, CEP 81531-970 Curitiba, PR, Brazil
| | - Leonardo Sandrini-Neto
- Laboratório de Bentos, Centro de Estudos do Mar, Universidade Federal do Paraná, Av. Beira Mar, s/n, CEP 83255-000 Pontal do Paraná, PR, Brazil
| | - Renato S Carreira
- LABMAM/Departamento de Química, Pontifícia Universidade Católica do Rio de Janeiro, CEP 22453-900 Rio de Janeiro, Brazil
| | - Paulo C Lana
- Laboratório de Bentos, Centro de Estudos do Mar, Universidade Federal do Paraná, Av. Beira Mar, s/n, CEP 83255-000 Pontal do Paraná, PR, Brazil
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Lüchmann KH, Dafre AL, Trevisan R, Craft JA, Meng X, Mattos JJ, Zacchi FL, Dorrington TS, Schroeder DC, Bainy ACD. A light in the darkness: new biotransformation genes, antioxidant parameters and tissue-specific responses in oysters exposed to phenanthrene. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 152:324-334. [PMID: 24813265 DOI: 10.1016/j.aquatox.2014.04.021] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2014] [Revised: 04/15/2014] [Accepted: 04/16/2014] [Indexed: 06/03/2023]
Abstract
Phenanthrene (PHE), a major component of crude oil, is one of the most abundant polycyclic aromatic hydrocarbons (PAHs) in aquatic ecosystems, and is readily bioavailable to marine organisms. Understanding the toxicity of PAHs in animals requires knowledge of the systems for xenobiotic biotransformation and antioxidant defence and these are poorly understood in bivalves. We report, for the first time, new transcripts and tissue-specific transcription in gill and digestive gland from the oyster Crassostrea brasiliana following 24h exposure to 100 and 1000μgL(-1) PHE, a model PAH. Six new cytochrome P450 (CYP) and four new glutathione S-transferase (GST) genes were analysed by means of quantitative reverse transcription PCR (qRT-PCR). Different antioxidant endpoints, including both enzymatic and non-enzymatic parameters, were assessed as potential biomarkers of oxidative stress. GST activity was measured as an indicator of phase II biotransformation. Rapid clearance of PHE was associated with upregulation of both phase I and II genes, with more pronounced effects in the gill at 1000μgL(-1) PHE. After 24h of exposure, PHE also caused impairment of the antioxidant system, decreasing non-protein thiols and glutathione levels. On the other hand, no change in antioxidant enzymes was observed. PHE treatment (100μgL(-1)) significantly decreased GST activity in the gill of exposed oysters. Both CYP and GST were transcribed in a tissue-specific manner, reflecting the importance of the gill in the detoxification of PAHs. Likewise, the antioxidant parameters followed a similar pattern. The data provide strong evidence that these genes play key roles in C. brasiliana biotransformation of PHE and highlight the importance of gill in xenobiotic metabolism.
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Affiliation(s)
- Karim H Lüchmann
- Fishery Engineering Department, Santa Catarina State University, Laguna 88790-000, Brazil.
| | - Alcir L Dafre
- Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Rafael Trevisan
- Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - John A Craft
- Biological and Biomedical Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Xiang Meng
- Biological and Biomedical Sciences, Glasgow Caledonian University, Glasgow G4 0BA, United Kingdom
| | - Jacó J Mattos
- Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Flávia L Zacchi
- Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Tarquin S Dorrington
- Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
| | - Declan C Schroeder
- Marine Biological Association of the United Kingdom, Citadel Hill, Plymouth PL1 2PB, United Kingdom
| | - Afonso C D Bainy
- Biochemistry Department, Federal University of Santa Catarina, Florianópolis 88040-900, Brazil
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Rocha MJ, Cruzeiro C, Reis M, Rocha E, Pardal M. Determination of seventeen endocrine disruptor compounds and their spatial and seasonal distribution in Ria Formosa Lagoon (Portugal). ENVIRONMENTAL MONITORING AND ASSESSMENT 2013; 185:8215-8226. [PMID: 23595688 DOI: 10.1007/s10661-013-3168-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/26/2012] [Accepted: 03/06/2013] [Indexed: 06/02/2023]
Abstract
In spite of its outstanding ecological and touristic importance the Ria Formosa Lagoon shows signs of anthropogenic pollution. Nonetheless, until the present survey no studies had ever documented the measurement of natural and pharmaceutical estrogens (17β-estradiol, estrone, and 17α-ethynylestradiol), xenoestrogenic industrial pollutants (4-octylphenol, 4-nonylphenol, and their mono and diethoxylates and bisphenol A), phytoestrogens (formononetin, biochanin A, daidzein, genistein), and sitosterol in this area. The 17 compounds measured herein are known as endocrine disrupters (EDCs) and act over the endocrine system even in few amounts (ng L(-1)-μg L(-1)). Thus to conclude about the influx of EDCs in the lagoon, water samples were taken every 2 months, during 1 year (2010), in low tide at nine sites distributed along the coastline. Water samples (1 L) were preconcentrated in the Oasis HLB cartridges and cleaned in silica cartridges before their analysis by GC-MS. Data showed the ubiquitous presence of potentially hazardous amounts of estrogens (particularly of ethynylestradiol, up to 24.3 ng L(-1)), nonylphenol (up to 547 ng L(-1)), and sitosterol (up to 12,300 ng L(-1)), mainly in summer, suggesting that the increase of the local number of inhabitants (tourists), the rise of the water temperature (up to 26 °C), and the blooming of local flora may interfere with the water quality parameters. This makes the lagoon a potential model to study. Taking into account the data, it was concluded that there are conditions for the occurrence of endocrine disruption in aquatic animals, even in areas included in the natural park of the Formosa. Besides, both the high amounts of un-ionized ammonia (up to 0.3 mg L(-1)) and phosphates (up to 1.6 mg L(-1)) my pose risks for local fauna and humans.
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Affiliation(s)
- Maria João Rocha
- Laboratory of Cellular, Molecular and Analytical Studies, Interdisciplinary Centre for Marine and Environmental Research (CIIMAR), CIMAR Associate Laboratory (CIMAR LA), University of Porto (UPorto), Oporto, Portugal.
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Nilin J, Moreira LB, Aguiar JE, Marins R, de Souza Abessa DM, da Cruz Lotufo TM, Costa-Lotufo LV. Sediment quality assessment in a tropical estuary: the case of Ceará River, Northeastern Brazil. MARINE ENVIRONMENTAL RESEARCH 2013; 91:89-96. [PMID: 23522752 DOI: 10.1016/j.marenvres.2013.02.009] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Revised: 12/11/2012] [Accepted: 02/18/2013] [Indexed: 06/02/2023]
Abstract
The present study aimed to assess the sediment quality in a tropical estuary located in the northeast of Brazil under semi-arid conditions and multiple sources of contamination, using both toxicity bioassays and metal distribution. The metal distribution followed a concentration gradient decreasing one order of magnitude from the inner station toward the outer estuary, with amounts in the following order: Fe > Al > Zn > Cr > Pb > Cu. The index of geoaccumulation indicated a metal enrichment in the Ceará river sediment, mainly at inner sites, considered from moderately to strongly contaminated by Al, Cu, Cr and Zn. Sediment samples were considered toxic by means of whole sediment tests with copepods (reproduction) and amphipods (survival), and also elutriate fraction and sediment-water interface with sea urchin embryos (development). Acute and chronic toxicity did not exhibit a significant correlation with metals, emphasizing the influence of other contaminants mainly related to the pollution sources installed in the mid-estuary.
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Affiliation(s)
- Jeamylle Nilin
- Laboratório de Ecotoxicologia Marinha, Instituto de Ciências do Mar (Labomar), Universidade Federal do Ceará, Av. Abolição 3207, Fortaleza 60165-081, Ceará, Brazil
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Almeida C, Pereira CG, Gomes T, Cardoso C, Bebianno MJ, Cravo A. Genotoxicity in two bivalve species from a coastal lagoon in the south of Portugal. MARINE ENVIRONMENTAL RESEARCH 2013; 89:29-38. [PMID: 23702095 DOI: 10.1016/j.marenvres.2013.04.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Revised: 04/23/2013] [Accepted: 04/29/2013] [Indexed: 06/02/2023]
Abstract
DNA damage was evaluated by comet assay in the haemolymph of two bivalve species Ruditapes decussatus and Mytilus galloprovincialis from the Ria Formosa lagoon (south Coast of Portugal). Clams and mussels were sampled from sites close to each other to determine interspecific responses to similar environmental conditions, considering also seasonal and gender differences. Coupled with genotoxic effect, another damage biomarker (lipid peroxidation) was analysed to verify if the conditions that instigate DNA damage can be related with injury to cell membranes. For both species, DNA damage was low, reflecting the low levels of genotoxic contaminants in the lagoon, and no interspecific differences were found. However, seasonal differences were established for both bivalve species, reflecting higher environmental stress in summer. Regarding gender susceptibility, only clams showed differences in percentage of Tail DNA, with females more sensitive to DNA damage than males. Additionally, results for clams point out that factors responsible for LPO may not be the same as those causing genotoxicity. This study demonstrated that DNA damage is a sensitive biomarker to discriminate spatial, temporal and gender differences, being an appropriate biomarker for genotoxicity evaluation even in places of low contamination, such as the Ria Formosa lagoon.
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Affiliation(s)
- Catarina Almeida
- CIMA, Faculty of Sciences and Technology, University of Algarve, Campus de Gambelas, 8005-130 Faro, Portugal
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Cravo A, Lopes B, Serafim A, Company R, Barreira L, Gomes T, Bebianno MJ. Spatial and seasonal biomarker responses in the clamRuditapes decussatus. Biomarkers 2012; 18:30-43. [DOI: 10.3109/1354750x.2012.730549] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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36
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Cravo A, Pereira C, Gomes T, Cardoso C, Serafim A, Almeida C, Rocha T, Lopes B, Company R, Medeiros A, Norberto R, Pereira R, Araújo O, Bebianno MJ. A multibiomarker approach in the clam Ruditapes decussatus to assess the impact of pollution in the Ria Formosa lagoon, South Coast of Portugal. MARINE ENVIRONMENTAL RESEARCH 2012; 75:23-34. [PMID: 22001190 DOI: 10.1016/j.marenvres.2011.09.012] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2011] [Revised: 09/22/2011] [Accepted: 09/23/2011] [Indexed: 05/31/2023]
Abstract
The Ria Formosa lagoon is an ecosystem whose water quality reflects the anthropogenic influence upon the surrounding areas. In this lagoon, the clam Ruditapes decussatus has a great economical importance and has been widely used as a biomonitor. A multibiomarker approach (δ-aminolevulinic acid dehydratase, metallothionein, lipid peroxidation, acetylcholinesterase, alkali-labile phosphates, DNA damage) was applied to assess the environmental quality of this ecosystem and the accumulation of contaminants and their potential adverse effects on clams. Clams were sampled in different shellfish beds in the period between July 2007 and December 2008 and abiotic parameters (temperature, salinity, pH and dissolved oxygen of seawater and organic matter in the sediment), condition index, metals (Cd, Cu, Zn, Ni, Pb), TBTs and PAHs concentrations were measured in clam tissues. Data was integrated using Principal Component Analyses and biomarker indices: IBR (Integrated Biomarker Response) and HSI (Health Status Index). This multibiomarker approach enabled discrimination of a time and space trend between sites with different degrees of anthropogenic contamination, identifying one of them (site 2) as the most stressful and summer months as the most critical period for clams due to an increase of environmental stress (anthropogenic pressure along with extreme environmental conditions, e.g. temperature, dissolved oxygen, organic matter in the sediments, etc). The selected biomarkers provided an integrated response to assess the environmental quality of the system, proving to be a useful approach when complex mixtures of contaminants occur.
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Affiliation(s)
- A Cravo
- CIMA-Centre for Marine and Environmental Research, Faculty of Sciences and Technology (FCT), University of Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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Buratti S, Ramos-Gómez J, Fabbri E, DelValls TA, Martín-Díaz ML. Application of neutral red retention assay to caged clams (Ruditapes decussatus) and crabs (Carcinus maenas) in the assessment of dredged material. ECOTOXICOLOGY (LONDON, ENGLAND) 2012; 21:75-86. [PMID: 21870173 DOI: 10.1007/s10646-011-0767-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 08/10/2011] [Indexed: 05/31/2023]
Abstract
Dredged material management is a key issue for the protection of aquatic environments. The in situ approach using caged bioindicator species has been chosen lately as a new methodology for the assessment of dredged material. In a tier testing approach, neutral red retention (NRR) assay has been applied as a screening tool to detect adverse changes in health status associated with contamination. Nevertheless, to authors' knowledge, little is known about the application and validation of this technique in sediment bioindicator species and under field conditions. Caged Ruditapes decussatus and Carcinus maenas were exposed during 28 days to potentially contaminated sediments at three sites in Algeciras Bay (SW Spain) and one site in Cádiz Bay (SW Spain). Lysosomal membrane stability was measured over time in haemolymph samples of exposed clams and crabs using the NRR assay. Sediment characterization of the study sites was performed in parallel. NRR time did not vary significantly (p > 0.05) over time in organisms from Cádiz Bay. Conversely, significant differences (p < 0.05) in NRR time were found in clams and crabs exposed to sediments from Algeciras Bay, which exhibited a 30-70% decrease in haemocyte lysosome membrane stability compared to day 0. Statistical analysis showed a strong correlation between the drop of haemocyte lysosome membrane stability, in both crabs and clams, and the presence of metals (p < 0.05) and PAHs (p < 0.01) in the studied sediments. The results obtained confirmed the use of NRR assay as a suitable and sensitive method to be used in the assessment of sediment quality using as bioindicator species the clam R. philippinarum and the crab C. maenas.
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Affiliation(s)
- Sara Buratti
- Interdepartment Centre for Research in Environmental Sciences (CIRSA), University of Bologna, via S. Alberto 163, 48123 Ravenna, Italy.
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Lüchmann KH, Mattos JJ, Siebert MN, Granucci N, Dorrington TS, Bícego MC, Taniguchi S, Sasaki ST, Daura-Jorge FG, Bainy ACD. Biochemical biomarkers and hydrocarbons concentrations in the mangrove oyster Crassostrea brasiliana following exposure to diesel fuel water-accommodated fraction. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2011; 105:652-660. [PMID: 21963596 DOI: 10.1016/j.aquatox.2011.09.003] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/10/2011] [Revised: 09/05/2011] [Accepted: 09/08/2011] [Indexed: 05/31/2023]
Abstract
Understanding the toxic mechanisms by which organisms cope to environmental stressful conditions is a fundamental question for ecotoxicology. In this study, we evaluated biochemical responses and hydrocarbons bioaccumulation of the mangrove oyster Crassostrea brasiliana exposed for 96 h to four sublethal concentrations of diesel fuel water-accommodated fraction (WAF). For that purpose, enzymatic activities (SOD, CAT, GPx, GR, G6PDH, GST and GGT), HSP60 and HSP90 immunocontent and lipid peroxidation (LPO) levels were determined in the gill and digestive gland of oysters and related to the hydrocarbons accumulated in the whole soft tissues. The results of this study revealed clear biochemical responses to diesel fuel WAF exposure in both tissues of the oyster. The capacity of C. brasiliana to bioaccumulate aliphatic and aromatic hydrocarbons in a dose-dependent manner is a strong indication of its suitability as a model in biomonitoring programs along the Brazilian coast, which was also validated by the response of the antioxidant defenses, phase II biotransformation and chaperones. HSP60 levels and GGT activity were the most promising biomarkers in the gill, while GST and GR activities stood out as suitable biomarkers for the detection of diesel toxicity in the digestive gland. The decrease of SOD activity and HSP90 levels may also reflect a negative effect of diesel exposure regardless the tissue. The present results provide a sound preliminary report on the biochemical responses of C. brasiliana challenged with a petroleum by-product and should be carefully considered for use in the monitoring of oil and gas activities in Brazil.
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Affiliation(s)
- Karim H Lüchmann
- Laboratório de Biomarcadores de Contaminação Aquática e Imunoquímica, Departamento de Bioquímica, Universidade Federal de Santa Catarina, Florianópolis, Brazil.
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He X, Nie X, Wang Z, Cheng Z, Li K, Li G, Hung Wong M, Liang X, Tsui MTK. Assessment of typical pollutants in waterborne by combining active biomonitoring and integrated biomarkers response. CHEMOSPHERE 2011; 84:1422-1431. [PMID: 21570705 DOI: 10.1016/j.chemosphere.2011.04.054] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2010] [Revised: 04/07/2011] [Accepted: 04/17/2011] [Indexed: 05/30/2023]
Abstract
Organic pollutants, heavy metals and pharmaceuticals are continuously dispersed into the environment and have become a relevant environmental emerging concern. In this study, a situ assay to assess ecotoxicity of mixed pollutants was carried out in three typical sites with different priority contaminations in Guangzhou, China. Chemical analysis of organic pollutants, metals and quinolones in three exposure sites were determined by GC-ECD/MS, ICP-AES and HPLC, as well as, a combination of biomarkers including: ethoxyresorufin O-deethylase (EROD); aminopyrine N-demethylase (APND); erythromycin N-demethylase (ERND); glutathione S-transferase (GST); malondialdehyde (MDA); CYP1A; and P-glycoprotein (P-gp) mRNA expressions were evaluated in Mugilogobius abei. Results of chemical analysis in sediment samples revealed that the dominant chemicals were organic pollutants and heavy metals in Huadi River while quinolones in the pond. Bioassays indicated that differences among sites were in relation to some specific biomarkers. EROD and GST activities significantly increased after 72 h in situ exposure, but no difference was observed among the exposure sites. APND, ERND and MDA exhibited dissimilar change patterns for different priority pollutants. CYP1A and P-gp mRNA expressions were significantly induced at all exposure sites, whilst P-gp activity was typical for S2 with the highest levels of quinolones. The molecular biomarkers seemed to be more susceptible than enzyme activities. These assays confirmed the usefulness of applying a large array of various combined biomarkers at different levels, in assessing the toxic effects of mixed pollutants in a natural aquatic environment.
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Affiliation(s)
- Xiuting He
- Institute of Hydrobiology, Jinan University, Guangzhou 510632, China
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40
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Ferreira M, Caetano M, Antunes P, Costa J, Gil O, Bandarra N, Pousão-Ferreira P, Vale C, Reis-Henriques MA. Assessment of contaminants and biomarkers of exposure in wild and farmed seabass. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2010; 73:579-588. [PMID: 20167373 DOI: 10.1016/j.ecoenv.2010.01.019] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2009] [Revised: 01/29/2010] [Accepted: 01/31/2010] [Indexed: 05/28/2023]
Abstract
This study aimed to investigate the relationships between levels of organochlorine compounds (PCBs and DDTs), polycyclic aromatic hydrocarbons (PAHs), metals and biomarkers of exposure (EROD and GST) and oxidative stress biomarkers, in wild and cultured European seabass (Dicentrarchus labrax). Additionally, the fatty acid profile was determined in muscle to assess differences between cultivated and wild specimens of marketable size. Although results pointed to relatively low concentration of contaminants, wild specimens presented enhanced accumulation of metals and cultivated specimens higher levels of organic compounds. Biomarkers were correlated with contaminants in tissues, showing that higher levels can cause effects at the biochemical level. Wild specimens have presented higher content on omega-3 fatty acids in muscle. Besides the useful application of biomarkers in wild species, this study has shown that they can also be applied to monitor biological effects in the fish farming process.
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Affiliation(s)
- Marta Ferreira
- CIMAR/CIIMAR-Centro Interdisciplinar de Investigação Marinha e Ambiental-Laboratório Toxicologia Ambiental, Universidade do Porto, Rua dos Bragas, 289, 4050-123 Porto, Portugal.
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