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Turja R, Benito D, Ahvo A, Izagirre U, Lekube X, Stankevičiūtė M, Butrimavičienė L, Soto M, Lehtonen KK. Biomarker responses in mussels (Mytilus trossulus) from the Baltic Sea exposed to water-accommodated fraction of crude oil and a dispersant at different salinities. MARINE POLLUTION BULLETIN 2023; 192:115100. [PMID: 37276711 DOI: 10.1016/j.marpolbul.2023.115100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 05/17/2023] [Accepted: 05/23/2023] [Indexed: 06/07/2023]
Abstract
Oil spills pose significant environmental risks, particularly in cold seas. In the Baltic Sea, the low salinity (from 0 to 2 up to 18) affects the behaviour of the spilled oil as well as the efficiency and ecological impacts of oil spill response methods such as mechanical collection and the use of dispersants. In the present study, mussels (Mytilus trossulus) were exposed under winter conditions (5 °C) to the water-accommodated fraction (WAF) of Naphthenic North Atlantic crude oil prepared by mechanical dispersion or to the chemically enhanced fraction (CEWAF) obtained using the dispersant Finasol OSR 51 at salinities of 5.6 and 15.0. Especially at the lower salinity, high bioaccumulation of polycyclic aromatic hydrocarbons was recorded in mussels in the CEWAF treatments, accompanied by increased biomarker responses. In the WAF treatments these impacts were less evident. Thus, the use of dispersants in the Baltic Sea still needs to be carefully considered.
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Affiliation(s)
- Raisa Turja
- Finnish Environment Institute, Marine and Freshwater Solutions, Latokartanonkaari 11, FI-00790 Helsinki, Finland.
| | - Denis Benito
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, Leioa, Basque Country, Spain
| | - Aino Ahvo
- Finnish Environment Institute, Marine and Freshwater Solutions, Latokartanonkaari 11, FI-00790 Helsinki, Finland
| | - Urtzi Izagirre
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, Leioa, Basque Country, Spain
| | - Xabier Lekube
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, Leioa, Basque Country, Spain
| | - Milda Stankevičiūtė
- Nature Research Centre, Institute of Ecology, Akademijos str. 2, LT-08412 Vilnius, Lithuania
| | - Laura Butrimavičienė
- Nature Research Centre, Institute of Ecology, Akademijos str. 2, LT-08412 Vilnius, Lithuania
| | - Manu Soto
- CBET Research Group, Department of Zoology and Animal Cell Biology, Faculty of Science and Technology, Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, Leioa, Basque Country, Spain
| | - Kari K Lehtonen
- Finnish Environment Institute, Marine and Freshwater Solutions, Latokartanonkaari 11, FI-00790 Helsinki, Finland
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Wang Z, Shao Y, Li C, Liu L, Zhu L, Wu D. Assessment of organic contamination along the coast of Laizhou Bay, China: chemical analysis and integrated biomarker responses in the clam Ruditapes philippinarum. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:20160-20175. [PMID: 34727311 DOI: 10.1007/s11356-021-17231-w] [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: 06/02/2021] [Accepted: 10/22/2021] [Indexed: 06/13/2023]
Abstract
An investigative biomonitoring study was conducted along the coastal area of Laizhou Bay (China) to evaluate the impact of organic pollution on the clam Ruditapes philippinarum using bioaccumulation and multi-biomarker measurements. In addition, the polychlorinated biphenyls (PCBs), total petroleum hydrocarbons (TPHs) and nonylphenol (NP) content in surface sediment at the study sites were also analyzed. Concentrations of PCBs, TPHs and NP in the sediments of the study area were 1.90 ± 0.10 μg kg-1, 39.55 ± 2.42 mg kg-1, 9.23 ± 0.41 μg kg-1 dry weight, respectively, while the organic contaminants in the soft tissues of R. philippinarum were 14.81 ± 0.96 μg kg-1 for PCBs, 165.87 ± 5.03 mg kg-1 for TPHs and 86.16 ± 5.29 μg kg-1 for NP. Linear regression analysis on the levels of organic pollutants accumulated in R. philippinarum and in sediments showed no significant correlation. Multi-biomarkers including superoxide dismutase, catalase, glutathione peroxidase, glutathione S-transferase, total glutathione and lipid peroxidation were assayed in gills and digestive glands of R. philippinarum. Finally, the biomarkers in gills were selected to calculate the Integrated Biomarker Response (IBR) index and to evaluate the impact of the three organic contaminants on R. philippinarum collected from different sites. According to IBR results, the western coast and eastern coast exhibited higher environmental stress than the sampling sites along the southern coast of Laizhou Bay. Significant correlation was found between the level of organic contaminants in the sediments and IBR whereas no dependence was found between pollutants' concentrations in sediments and separate biomarker responses. The results showed that PCBs and NP were the main organic pollutants among the three studied which have caused pollution pressure on R. philippinarum in Laizhou Bay coastal area.
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Affiliation(s)
- Zhifeng Wang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, China.
| | - Yuanyuan Shao
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, China
| | - Chaona Li
- Test and Research Center of Jiangxi Nuclear Industry Geological Bureau, No. 101 Hongduzhong Avenue, Nanchang, 330002, China
| | - Lei Liu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, China
| | - Li Zhu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, China
| | - Daoji Wu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University, No. 1000 Fengming Road, Jinan, 250101, China.
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3
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Keitel-Gröner F, Bamber S, Bechmann RK, Lyng E, Gomiero A, Tronci V, Gharbi N, Engen F, Taban IC, Baussant T. Effects of chronic exposure to the water-soluble fraction of crude oil and in situ burn residue of oil on egg-bearing Northern shrimp (Pandalus borealis). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 228:113013. [PMID: 34839140 DOI: 10.1016/j.ecoenv.2021.113013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 06/13/2023]
Abstract
Oil spill clean-up measures using in situ burning can potentially result in seafloor contamination affecting benthic organisms. To mimic realistic exposure and measure effects, ovigerous Northern shrimp were continuously exposed for two weeks to the water-soluble fraction of oil coated on gravel followed by two weeks in clean seawater. North Sea crude oil (NSC) and field generated in situ burn residue (ISBR) of NSC were used (Low: 3 g/kg gravel, Medium: 6 g/kg gravel and High: 12 g/kg gravel). The concentrations of polyaromatic hydrocarbons (PAHs) in the water resulting from NSC were higher compared to ISBR. No mortality was observed in any treatment and overall moderate sublethal effects were found, mostly after exposure to NSC. Feeding was temporarily reduced at higher concentrations of NSC. PAH levels in hepatopancreas tissue were significantly elevated following exposure and still significantly higher at the end of the experiment in NSCHigh and ISBRHigh compared to control. Mild inflammatory response reactions and tissue ultrastructural alterations in gill tissue were observed in both treatments. Signs of necrosis occurred in ISBRHigh. No change in shrimp locomotory activity was noted from NSC exposure. However, ISBR exposure increased activity temporarily. Larvae exposed as pleopod-attached embryos showed significant delay in development from stage I to stage II after exposure to NSCHigh. Based on this study, oil-contaminated seafloor resulting from in situ burning clean-up actions does not appear to cause serious effects on bottom-living shrimp.
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Affiliation(s)
| | - Shaw Bamber
- NORCE Norwegian Research Centre, Mekjarvik 12, 4072 Randaberg, Norway
| | - Renée K Bechmann
- NORCE Norwegian Research Centre, Mekjarvik 12, 4072 Randaberg, Norway
| | - Emily Lyng
- NORCE Norwegian Research Centre, Mekjarvik 12, 4072 Randaberg, Norway
| | - Alessio Gomiero
- NORCE Norwegian Research Centre, Mekjarvik 12, 4072 Randaberg, Norway
| | - Valentina Tronci
- NORCE Norwegian Research Centre, Nygårdsgaten 112, 5008 Bergen, Norway
| | - Naouel Gharbi
- NORCE Norwegian Research Centre, Nygårdsgaten 112, 5008 Bergen, Norway
| | - Frode Engen
- NOFO Norwegian Clean Seas Association for Operating Companies, Vassbotnen 1, 4313 Sandnes, Norway
| | - Ingrid C Taban
- NOFO Norwegian Clean Seas Association for Operating Companies, Vassbotnen 1, 4313 Sandnes, Norway
| | - Thierry Baussant
- NORCE Norwegian Research Centre, Mekjarvik 12, 4072 Randaberg, Norway.
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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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Schmutz A, Tremblay R, Audet C, Gagné JP, Pelletier É, St-Louis R. Under ice spills of conventional crude oil and diluted bitumen: Physiological resilience of the blue mussel and transgenerational effects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146316. [PMID: 34030258 DOI: 10.1016/j.scitotenv.2021.146316] [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: 11/21/2020] [Revised: 02/28/2021] [Accepted: 03/01/2021] [Indexed: 06/12/2023]
Abstract
Spillages at sea of diluted bitumen (dilbit) from oil sands have received little attention until now. To our best knowledge, there are no reports on the impact of a severe exposure to dilbit on the Blue mussel (Mytilus edulis). In this study, adult Blue mussels were exposed to one conventional crude oil (Heidrun) and two dilbits (Cold Lake Blend and Access Western Blend) for a period of 7 days in an ice-covered environment and then maintained for three months until the spawning season. The exposed mussels were monitored for aromatic hydrocarbon bioaccumulation, physiological energetic budget, cellular stress, byssus production and gametogenesis. In spring, spawning was induced to characterize breeding success. Bioaccumulation of polycyclic aromatic hydrocarbons (PAHs) was detected after three days of exposure, with higher concentrations of PAHs associated to the conventional oil (5.49 ± 0.12 μg·g-1 d.w.) compared to both dilbits (0.91 ± 0.02 μg·g-1; 0.51 ± 0.03 μg·g-1 d.w.). Despite a fast depuration rate and a good resilience of the exposed mussels, significant negative effects were observed at the cellular, physiological and fitness levels, especially in offspring. Our results suggest a higher toxicity of the diluted bitumen compared to the conventional crude despite the lower bioaccumulation of total PAHs. Dilbit treatments caused evident negative transgenerational effects on unexposed F1 generation.
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Affiliation(s)
- Anthony Schmutz
- Institut des Sciences de la Mer de Rimouski (ISMER), Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada; Département de biologie, chimie et géographie, Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada.
| | - Réjean Tremblay
- Institut des Sciences de la Mer de Rimouski (ISMER), Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada
| | - Céline Audet
- Institut des Sciences de la Mer de Rimouski (ISMER), Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada
| | - Jean-Pierre Gagné
- Institut des Sciences de la Mer de Rimouski (ISMER), Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada
| | - Émilien Pelletier
- Institut des Sciences de la Mer de Rimouski (ISMER), Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada
| | - Richard St-Louis
- Département de biologie, chimie et géographie, Université du Québec à Rimouski, 310 allée des Ursulines, Rimouski, Québec G5L 3A1, Canada
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6
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Beyer J, Goksøyr A, Hjermann DØ, Klungsøyr J. Environmental effects of offshore produced water discharges: A review focused on the Norwegian continental shelf. MARINE ENVIRONMENTAL RESEARCH 2020; 162:105155. [PMID: 32992224 DOI: 10.1016/j.marenvres.2020.105155] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 09/15/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
Produced water (PW), a large byproduct of offshore oil and gas extraction, is reinjected to formations or discharged to the sea after treatment. The discharges contain dispersed crude oil, polycyclic aromatic hydrocarbons (PAHs), alkylphenols (APs), metals, and many other constituents of environmental relevance. Risk-based regulation, greener offshore chemicals and improved cleaning systems have reduced environmental risks of PW discharges, but PW is still the largest operational source of oil pollution to the sea from the offshore petroleum industry. Monitoring surveys find detectable exposures in caged mussel and fish several km downstream from PW outfalls, but biomarkers indicate only mild acute effects in these sentinels. On the other hand, increased concentrations of DNA adducts are found repeatedly in benthic fish populations, especially in haddock. It is uncertain whether increased adducts could be a long-term effect of sediment contamination due to ongoing PW discharges, or earlier discharges of oil-containing drilling waste. Another concern is uncertainty regarding the possible effect of PW discharges in the sub-Arctic Southern Barents Sea. So far, research suggests that sub-arctic species are largely comparable to temperate species in their sensitivity to PW exposure. Larval deformities and cardiac toxicity in fish early life stages are among the biomarkers and adverse outcome pathways that currently receive much attention in PW effect research. Herein, we summarize the accumulated ecotoxicological knowledge of offshore PW discharges and highlight some key remaining knowledge needs.
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Affiliation(s)
- Jonny Beyer
- Norwegian Institute for Water Research (NIVA), Oslo, Norway.
| | - Anders Goksøyr
- Department of Biological Sciences, University of Bergen, Norway; Institute of Marine Research (IMR), Bergen, Norway
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Ahvo A, Lehtonen KK, Lastumäki A, Straumer K, Kraugerud M, Feist SW, Lang T, Tørnes JA. The use of Atlantic hagfish (Myxine glutinosa) as a bioindicator species for studies on effects of dumped chemical warfare agents in the Skagerrak. 2. Biochemical biomarkers. MARINE ENVIRONMENTAL RESEARCH 2020; 162:105097. [PMID: 32992222 DOI: 10.1016/j.marenvres.2020.105097] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Revised: 06/30/2020] [Accepted: 07/30/2020] [Indexed: 06/11/2023]
Abstract
The sea bottom of the Skagerrak Strait (North Sea) contains munitions loaded with chemical warfare agents (CWA), mostly stored in shipwrecks scuttled intentionally after the end of the World War II. The munition shells inside the wrecks are in different states of deterioration and corrosion and their environmental risk potential is unknown. The Atlantic hagfish (Myxine glutinosa), a sediment-dwelling chordate, was used as a model organism to study the potential impact of dumped CWA on the local ecosystem by using biochemical biomarkers. The hagfish were collected in 2017 and 2018 at three sampling sites: in the immediate vicinity of a wreck with CWA in the Skagerrak, a few kilometres from the wreck, and a reference site 21 km from the wreck, considered to be free of CWA. Significant differences were observed between the wreck site and the reference sites in the activities of glutathione reductase, superoxide dismutase and glutathione S-transferase, while the activity levels of catalase and acetylcholinesterase were identical at all sites. The recorded differences demonstrated negative biological effects in the hagfish sampled close to the dumped chemical munitions. Due to the limited knowledge of hagfish biology and of the extent of CWA contamination in Skagerrak, the results presented here warrant more research to further elucidate the potential environmental risks of the scuttled wrecks. The usefulness of the species as a bioindicator organism is further discussed.
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Affiliation(s)
- A Ahvo
- Finnish Environment Institute, Marine Research Centre, Agnes Sjöbergin Katu 2, 00790, Helsinki, Finland.
| | - K K Lehtonen
- Finnish Environment Institute, Marine Research Centre, Agnes Sjöbergin Katu 2, 00790, Helsinki, Finland
| | - A Lastumäki
- Finnish Environment Institute, Marine Research Centre, Agnes Sjöbergin Katu 2, 00790, Helsinki, Finland
| | - K Straumer
- Thünen Institute of Fisheries Ecology, Herwigstrasse 31, 27527, Bremerhaven, Germany
| | - M Kraugerud
- FishVet Group, Benchmark Norway AS, P. O. Box 1012, 0218, Oslo, Norway
| | - S W Feist
- Centre for Environment, Fisheries and Aquaculture Science, Weymouth Laboratory, Barrack Road, The Nothe, Weymouth, Dorset, DT4 8UB, UK
| | - T Lang
- Thünen Institute of Fisheries Ecology, Herwigstrasse 31, 27527, Bremerhaven, Germany
| | - J A Tørnes
- Norwegian Defence Research Establishment, Instituttveien 20, 2007, Kjeller, Norway
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Liberti A, Bertocci I, Pollet A, Musco L, Locascio A, Ristoratore F, Spagnuolo A, Sordino P. An indoor study of the combined effect of industrial pollution and turbulence events on the gut environment in a marine invertebrate. MARINE ENVIRONMENTAL RESEARCH 2020; 158:104950. [PMID: 32217300 DOI: 10.1016/j.marenvres.2020.104950] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 02/25/2020] [Accepted: 03/07/2020] [Indexed: 06/10/2023]
Abstract
Natural storms are able to determine reworking of seabed up to considerable depths and favour suspension of sediment-associated chemicals. Yet, a direct link between exposure to resuspended contaminants and the biological effects on marine organisms have to be fully established. We exposed adults of a suspension feeder, the ascidian Ciona robusta, to polluted sediment (e.g., containing mixtures of polycyclic aromatic hydrocarbons and heavy metals) from the industrial area of Bagnoli-Coroglio under two temporal patterns ('aggregated' vs. 'spaced') of turbulence events. Then, we assessed the impact of resuspended pollutants on the ascidian gut environment via four broad categories: oxidative stress, innate immunity, host-microbiota interactions, and epithelium. An early oxidative stress response was seen after a week of exposure to static sediment. Instead, water turbulence had no effect on the antioxidant defence. The first episode of turbulent suspension induced a minimal pro-inflammatory response in the 'spaced' pattern. Mucus overproduction and a complete occlusion of the crypt lumen were found following sediment reworking. This study suggests a protective response of the gut environment in marine invertebrates exposed to environmental extremes, leading to increased susceptibility to disease and to concerns on the combined effects of chronic environmental contamination and acute disturbance events possibly associated with climate change.
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Affiliation(s)
- Assunta Liberti
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy.
| | - Iacopo Bertocci
- Department of Integrated Marine Ecology, Stazione Zoologica Anton Dohrn, Naples, Italy; Department of Biology, University of Pisa, CoNISMa, Pisa, Italy
| | | | - Luigi Musco
- Department of Integrated Marine Ecology, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Annamaria Locascio
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Filomena Ristoratore
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Antonietta Spagnuolo
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy
| | - Paolo Sordino
- Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, Naples, Italy.
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Miserazzi A, Perrigault M, Sow M, Gelber C, Ciret P, Lomenech AM, Dalens JM, Weber C, Le Floch S, Lacroix C, Blanc P, Massabuau JC. Proteome changes in muscles, ganglia, and gills in Corbicula fluminea clams exposed to crude oil: Relationship with behavioural disturbances. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 223:105482. [PMID: 32371337 DOI: 10.1016/j.aquatox.2020.105482] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 03/23/2020] [Accepted: 03/25/2020] [Indexed: 06/11/2023]
Abstract
The use of online remote control for 24/7 behavioural monitoring can play a key role in estimating the environmental status of aquatic ecosystems. Recording the valve activity of bivalve molluscs is a relevant approach in this context. However, a clear understanding of the underlying disturbances associated with behaviour is a key step. In this work, we studied freshwater Asian clams after exposure to crude oil (measured concentration, 167 ± 28 μg·L-1) for three days in a semi-natural environment using outdoor artificial streams. Three complementary approaches to assess and explore disturbances were used: behaviour by high frequency non-invasive (HFNI) valvometry, tissue contamination with polycyclic aromatic hydrocarbons (PAH), and proteomic analysis. Two tissues were targeted: the pool adductor muscles - retractor pedal muscle - cerebral and visceral ganglia, which is the effector of any valve movement and the gills, which are on the frontline during contamination. The behavioural response was marked by an increase in valve closure-duration, a decrease in valve opening-amplitude and an increase in valve agitation index during opening periods. There was no significant PAH accumulation in the muscle plus nervous ganglia pool, contrary to the situation in the gills, although the latter remained in the low range of data available in literature. Major proteomic changes included (i) a slowdown in metabolic and/or cellular processes in muscles plus ganglia pool associated with minor toxicological effect and (ii) an increase of metabolic and/or cellular processes in gills associated with a greater toxicological effect. The nature of the proteomic changes is discussed in terms of unequal PAH distribution and allows to propose a set of explanatory mechanisms to associate behaviour to underlying physiological changes following oil exposure. First, the first tissues facing contaminated water are the inhalant siphon, the mantle edge and the gills. The routine nervous activity in the visceral ganglia should be modified by nervous information originating from these tissues. Second, the nervous activity in the visceral ganglia could be modified by its own specific contamination. Third, a decrease in nervous activity of the cerebral ganglia close to the mouth, including some kind of narcosis, could contribute to a decrease in visceral ganglia activity via a decrease or blockage of the downward neuromodulation by the cerebro-visceral connective. This whole set of events can explain the decrease of metabolic activity in the adductor muscles, contribute to initiate the catch mechanism and then deeply modify the valve behaviour.
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Affiliation(s)
- A Miserazzi
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France; CNRS, EPOC, UMR 5805, Talence, France
| | - M Perrigault
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France; CNRS, EPOC, UMR 5805, Talence, France
| | - M Sow
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France; CNRS, EPOC, UMR 5805, Talence, France
| | - C Gelber
- Pôles d'études et de Recherche de Lacq, TOTAL, Lacq, France
| | - P Ciret
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France; CNRS, EPOC, UMR 5805, Talence, France
| | - A M Lomenech
- Center of Functional Genomics, Bordeaux University, Bordeaux, France
| | - J M Dalens
- Pôles d'études et de Recherche de Lacq, TOTAL, Lacq, France
| | - C Weber
- Pôles d'études et de Recherche de Lacq, TOTAL, Lacq, France
| | | | | | - P Blanc
- CSTJF, TOTAL SA, Pau, France
| | - J C Massabuau
- University of Bordeaux, EPOC, UMR 5805, Arcachon, France; CNRS, EPOC, UMR 5805, Talence, France.
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10
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Li Z, Pan L, Guo R, Cao Y, Sun J. A verification of correlation between chemical monitoring and multi-biomarker approach using clam Ruditapes philippinarum and scallop Chlamys farreri to assess the impact of pollution in Shandong coastal area of China. MARINE POLLUTION BULLETIN 2020; 155:111155. [PMID: 32469775 DOI: 10.1016/j.marpolbul.2020.111155] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 04/03/2020] [Accepted: 04/04/2020] [Indexed: 06/11/2023]
Abstract
Biogeochemical monitoring coupled with multi-biomarker approach were performed for the assessment of marine environment, using clam Ruditapes philippinarum and scallop Chlamys farreri to indicate contamination status in sediments and seawater respectively. The bivalves were collected from three stations, Jiaozhou Bay, Rushan Bay and Laizhou Bay, of Shandong coastal area. A series of contaminants (PAHs and TBBPA) and biomarkers (AhR, EROD, GST, SOD, GPx, CAT, DNA damage) were measured. Multi-biomarker pollution index (MPI) and integrated biomarker response (IBR) were carried out to evaluate contamination status and both indexes showed that Rushan Bay was most polluted, where the pollution level of sediments reached "highly polluted" in August, followed by Jiaozhou Bay and Rushan Bay which reached "lightly polluted". The correlation of IBR values with contaminants' concentrations was verified through the Pearson correlation coefficient (p < 0.05), consolidating this scientific assessment method for marine environment.
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Affiliation(s)
- Zeyuan Li
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 266003 Qingdao, China
| | - Luqing Pan
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 266003 Qingdao, China.
| | - Ruiming Guo
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 266003 Qingdao, China
| | - Yunhao Cao
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 266003 Qingdao, China
| | - Jiawei Sun
- Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, 266003 Qingdao, China
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11
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Turja R, Sanni S, Stankevičiūtė M, Butrimavičienė L, Devier MH, Budzinski H, Lehtonen KK. Biomarker responses and accumulation of polycyclic aromatic hydrocarbons in Mytilus trossulus and Gammarus oceanicus during exposure to crude oil. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:15498-15514. [PMID: 32077033 PMCID: PMC7190683 DOI: 10.1007/s11356-020-07946-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Accepted: 01/29/2020] [Indexed: 06/07/2023]
Abstract
In the brackish water Baltic Sea, oil pollution is an ever-present and significant environmental threat mainly due to the continuously increasing volume of oil transport in the area. In this study, effects of exposure to crude oil on two common Baltic Sea species, the mussel Mytilus trossulus and the amphipod Gammarus oceanicus, were investigated. The species were exposed for various time periods (M. trossulus 4, 7, and 14 days, G. oceanicus 4 and 11 days) to three oil concentrations (0.003, 0.04, and 0.30 mg L-1 based on water measurements, nominally aimed at 0.015, 0.120, and 0.750 mg L-1) obtained by mechanical dispersion (oil droplets). Biological effects of oil exposure were examined using a battery of biomarkers consisting of enzymes of the antioxidant defense system (ADS), lipid peroxidation, phase II detoxification (glutathione S-transferase), neurotoxicity (acetylcholinesterase inhibition), and geno- and cytotoxicity (micronuclei and other nuclear deformities). In mussels, the results on biomarker responses were examined in connection with data on the tissue accumulation of polycyclic aromatic hydrocarbons (PAH). In M. trossulus, during the first 4 days of exposure the accumulation of all PAHs in the two highest exposure concentrations was high and was thereafter reduced significantly. Significant increase in ADS responses was observed in M. trossulus at 4 and 7 days of exposure. At day 14, significantly elevated levels of geno- and cytotoxicity were detected in mussels. In G. oceanicus, the ADS responses followed a similar pattern to those recorded in M. trossulus at day 4; however, in G. oceanicus, the elevated ADS response was still maintained at day 11. Conclusively, the results obtained show marked biomarker responses in both study species under conceivable, environmentally realistic oil-in-seawater concentrations during an oil spill, and in mussels, they are related to the observed tissue accumulation of oil-derived compounds.
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Affiliation(s)
- Raisa Turja
- Marine Research Centre, Finnish Environment Institute, Agnes Sjöbergin katu 2, FI-00790, Helsinki, Finland.
| | - Steinar Sanni
- NORCE - Norwegian Research Centre, Mekjarvik 12, N-4072, Randaberg, Norway
- Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, N-4036, Stavanger, Norway
| | - Milda Stankevičiūtė
- Nature Research Centre, Institute of Ecology, Akademijos str. 2, LT-08412, Vilnius, Lithuania
| | - Laura Butrimavičienė
- Nature Research Centre, Institute of Ecology, Akademijos str. 2, LT-08412, Vilnius, Lithuania
| | - Marie-Hélène Devier
- Laboratory of Physico- and Toxico-Chemistry of the Environment (LPTC), University Bordeaux 1, Oceanic and Continental Environments and Paleoenvironments (EPOC, UMR 5805 CNRS), 351 cours de la Libération, F-33405, Talence, France
| | - Hélène Budzinski
- Laboratory of Physico- and Toxico-Chemistry of the Environment (LPTC), University Bordeaux 1, Oceanic and Continental Environments and Paleoenvironments (EPOC, UMR 5805 CNRS), 351 cours de la Libération, F-33405, Talence, France
| | - Kari K Lehtonen
- Marine Research Centre, Finnish Environment Institute, Agnes Sjöbergin katu 2, FI-00790, Helsinki, Finland
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Szczybelski AS, van den Heuvel-Greve MJ, Koelmans AA, van den Brink NW. Biomarker responses and biotransformation capacity in Arctic and temperate benthic species exposed to polycyclic aromatic hydrocarbons. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 662:631-638. [PMID: 30703720 DOI: 10.1016/j.scitotenv.2019.01.034] [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: 08/22/2018] [Revised: 01/04/2019] [Accepted: 01/04/2019] [Indexed: 06/09/2023]
Abstract
Monitoring parameters for the assessment of oil and gas related contaminants and their biological effects need validation before application in the Arctic. For such monitoring purposes, we evaluated the potential use of three biomarkers (acetylcholinesterase, acyl-CoA oxidase and glutathione S-transferase) for application to an Arctic bivalve (Astarte borealis) and determined the body residue of pyrene and two pyrene metabolites (1-hydroxypyrene and pyrene-1-glucuronide) in Arctic benthic species (bivalve: Macoma calcarea; polychaete: Nephtys ciliata) and temperate benthic species (bivalve: Limecola balthica; polychaete: Alitta virens) in order to establish the potential of polycyclic aromatic hydrocarbons (PAHs) metabolite profiles as biomarkers of exposure in such species. Experimental PAH exposure levels were probably too low (0.2-1.7 mg/kg dry weight in sediment) to induce or inhibit biomarker responses in A. borealis. Concentrations of pyrene and pyrene metabolites varied between species, although no consistent patterns could be established among taxonomic groups and locations. Metabolites made up to 79% of the total pyrene concentrations, indicating that basal metabolic activity is affecting pyrene kinetics even at low concentrations in all species. This indicates that Arctic and temperate species could show similar metabolism patterns of PAHs, although more insight into the effects of confounding factors is needed.
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Affiliation(s)
- Ariadna S Szczybelski
- Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands; Department of Animal Ecology, Wageningen Environmental Research, P.O. Box 47, 6700 AA Wageningen, the Netherlands.
| | | | - Albert A Koelmans
- Aquatic Ecology and Water Quality Management Group, Department of Environmental Sciences, Wageningen University, P.O. Box 47, 6700 AA Wageningen, the Netherlands; Wageningen Marine Research, P.O. Box 77, 4400 AB Yerseke, the Netherlands
| | - Nico W van den Brink
- Sub-department of Toxicology, Department of Agrotechnology and Food Sciences, Wageningen University, P.O. Box 8000, 6700 EA Wageningen, the Netherlands
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13
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Kaur M, Chadha P, Kaur S, Kaur A, Kaur R, Yadav AK, Kaur R. Evaluation of genotoxic and cytotoxic effects of ethyl acetate extract of Aspergillus flavus on Spodoptera litura. J Appl Microbiol 2019; 126:881-893. [PMID: 30216609 DOI: 10.1111/jam.14105] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/28/2018] [Accepted: 09/03/2018] [Indexed: 01/31/2023]
Abstract
AIM Recent concerns about the possible adverse effects of agricultural chemicals on health and environment have generated a considerable interest in biological alternatives. This study aimed to test the insecticidal potential of fungus Aspergillus flavus and revealed its genotoxic and cytotoxic effects using Spodoptera litura (Fabricius) as a model. METHODS AND RESULTS The fungus was isolated from the surface of the dead insect and investigated for its insecticidal potential against S. litura by bioassay studies. Significant increase in mortality, prolonged development period and reduced adult emergence in S. litura were observed in larva fed on diet supplemented with fungal extract. In addition, fungus was also found to cause oxidative stress, DNA damage and cell death. Significantly higher percentages of necrotic cells and DNA damage were observed in larvae treated with fungal extract. Furthermore, DNA repair studies predicted the longevity of toxic effects induced by fungus. Phytochemical and ultra-high performance liquid chromatography studies revealed the presence of phenolic compounds in the extract and liquid chromatography-mass spectrometry indicated it to be a non-aflatoxin strain of A. flavus. Fungal extract was less toxic to mammalian cell lines as compared to cytotoxic drug doxorubicin (DOX) in the MTT assay. CONCLUSION The study highlights the insecticidal potential of A. flavus by revealing its genotoxicity and cytotoxicity causing potential. This is the first report showing the genotoxic and cytotoxic effects of the fungus A. flavus on S. litura. SIGNIFICANCE AND IMPACT OF THE STUDY The study provides a useful insight to explore microbial agents as biopesticides in order to reduce various environmental as well as human health problems due to synthetic pesticides.
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Affiliation(s)
- M Kaur
- Department of Zoology, Guru Nanak Dev University, Amritsar, India
| | - P Chadha
- Department of Zoology, Guru Nanak Dev University, Amritsar, India
| | - S Kaur
- Department of Zoology, Guru Nanak Dev University, Amritsar, India
| | - A Kaur
- Departments of Microbiology, Guru Nanak Dev University, Amritsar, India
| | - R Kaur
- Departments of Microbiology, Guru Nanak Dev University, Amritsar, India
| | - A K Yadav
- Department of Biotechnology, Guru Nanak Dev University, Amritsar, India
| | - R Kaur
- Department cum National Centre for Human Genome Studies and Research, Panjab University, Chandigarh, India
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Cook MC, May A, Kohl L, Van Biesen G, Parrish CC, Morrill PL. The Potential Impact of Hydrocarbons on Mussels in Port au Port Bay, Newfoundland. ADVANCES IN MARINE BIOLOGY 2018; 81:1-22. [PMID: 30471654 DOI: 10.1016/bs.amb.2018.09.003] [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] [Indexed: 06/09/2023]
Abstract
Since 2012, the scallop fishery in Port au Port Bay, Newfoundland, Canada has experienced a drastic decline, while no decline was observed in adjacent St. George's Bay. Local fishermen have raised concerns about an abandoned oil exploration well in the Port au Port Bay. This study investigated the potential impact of petroleum hydrocarbons on sediments and blue mussels [Mytilus edulis] (a proxy organism for scallops) in the area. Sediments from both bays were characterized for their hydrocarbons and compared to potential petroleum hydrocarbon sources. Mussels were analysed for health indices and their 14C content. The results showed that the concentration of hydrocarbons found in the sediments of the fishing ground was within the range of unpolluted marine sediments and that the hydrocarbons present were likely from a mixture of sources. The health indices of the mussels in Port au Port Bay were similar to the health indices of mussels in St. George's Bay and the 14C content of the mussels from both bays was modern. These data suggest that the Port au Port fishing ground was not solely contaminated from crude oil leaking from an oil exploration well, that the mussels were not contaminated with petroleum hydrocarbons, and that Port au Port mussels were just as healthy as the mussels of St. George's Bay. Therefore, whatever caused the scallop decline was most likely scallop- and bay-specific. During this study a fast and efficient method for extracting petroleum hydrocarbons from sediment using accelerated solvent extraction with integrated silica gel was developed.
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Affiliation(s)
- Melissa C Cook
- Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Adam May
- Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Lucas Kohl
- Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Geert Van Biesen
- Core Research Equipment and Instrument Training Network (CREAIT), Memorial University of Newfoundland, St. John's, NL, Canada
| | - Christopher C Parrish
- Department of Ocean Sciences, Memorial University of Newfoundland, St. John's, NL, Canada
| | - Penny L Morrill
- Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NL, Canada.
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15
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Breitwieser M, Thomas-Guyon H, Huet V, Sagerup K, Geraudie P. Spatial and temporal impacts of the Skjervøy harbour diesel spill on native population of blue mussels: A sub-Arctic case study. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 153:168-174. [PMID: 29427978 DOI: 10.1016/j.ecoenv.2018.01.033] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2017] [Revised: 01/10/2018] [Accepted: 01/13/2018] [Indexed: 06/08/2023]
Abstract
This work was designed to investigate biological impacts on blue mussels (Mytilus edulis spp) after being exposed to diesel spill. On December 2013, an 180,000-litre accidental acute diesel spill was reported in a small harbour of northern Norway (Skjervøy). In order to assess the biological effects on the wild population of blue mussels, bivalves were collected at three different locations: at the oil-spill spot, at the other side of the harbour (opposite the oil-spill area), and in an uncontaminated site. Body burden and seawater samples were collected from a few days up to five months after the diesel spill. Biomarkers of oxidative stress and immunological effects were assessed in the blue mussels digestive glands. Our findings reported significant modulation of GST (detoxification), SOD (antioxidant response) and MDA (lipid peroxidation) in bivalves exposed to diesel with a similar response at two and five months after the spill. Laccase-type enzyme also highlighted an important aspect in terms of biomarker response of the immune function. Overall, our study demonstrated that some biomarkers returned to basal levels a few months after the diesel spill. Consequently, it highlighted the usefulness of normalised tools and guidelines for biomonitoring strategies after a diesel spill.
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Affiliation(s)
- Marine Breitwieser
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
| | - Hélène Thomas-Guyon
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
| | - Valérie Huet
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042 La Rochelle Cedex 01, France.
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16
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Skogland Enerstvedt K, Sydnes MO, Pampanin DM. Study of the plasma proteome of Atlantic cod (Gadus morhua): Effect of exposure to two PAHs and their corresponding diols. CHEMOSPHERE 2017; 183:294-304. [PMID: 28551206 DOI: 10.1016/j.chemosphere.2017.05.111] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Revised: 05/16/2017] [Accepted: 05/18/2017] [Indexed: 06/07/2023]
Abstract
Occurrence of polycyclic aromatic hydrocarbon (PAH) contamination in the marine environment represents a risk to marine life and humans. In this study, plasma samples from Atlantic cod (Gadus morhua) were analysed by shotgun mass spectrometry to investigate the plasma proteome in response to exposure to single PAHs (naphthalene or chrysene) and their corresponding metabolites (dihydrodiols). In total, 369 proteins were identified and ranked according to their relative abundance. The levels of 12 proteins were found significantly altered in PAH exposed fish and are proposed as new biomarker candidates. Eleven proteins were upregulated, primarily immunoglobulin components, and one protein was downregulated (antifreeze protein type IV.) The uniformity of the upregulated proteins suggests a triggered immune response in the exposed fish. Overall, the results provide valuable knowledge for future studies of the Atlantic cod plasma proteome and generate grounds for establishing new plasma protein biomarkers for environmental monitoring of PAH related exposure.
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Affiliation(s)
- Karianne Skogland Enerstvedt
- International Research Institute of Stavanger (IRIS) - Environmental Department, Mekjarvik 12, NO-4070 Randaberg, Norway; Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, NO-4036 Stavanger, Norway
| | - Magne O Sydnes
- Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, NO-4036 Stavanger, Norway
| | - Daniela M Pampanin
- International Research Institute of Stavanger (IRIS) - Environmental Department, Mekjarvik 12, NO-4070 Randaberg, Norway; Faculty of Science and Technology, Department of Mathematics and Natural Science, University of Stavanger, NO-4036 Stavanger, Norway.
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17
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Vieweg I, Benedetti M, Lanzoni I, Regoli F, Nahrgang J. Antioxidant defenses in polar cod (Boreogadus saida) and responsiveness toward dietary crude oil exposure. MARINE ENVIRONMENTAL RESEARCH 2017; 130:48-59. [PMID: 28712830 DOI: 10.1016/j.marenvres.2017.06.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Revised: 06/04/2017] [Accepted: 06/12/2017] [Indexed: 06/07/2023]
Abstract
Increasing anthropogenic activities in the Arctic pose the risk for accidental oil spills but our knowledge of ecotoxicological effects is still limited for Arctic organisms. This study aimed to provide insights in baseline levels of antioxidants in polar cod (Boreogadus saida) from different Arctic locations and investigate the susceptibility of this species to oxidative stress during a 32 day dietary crude oil exposure. Baseline levels of individual antioxidants and total oxyradical scavenging capacity (TOSC) varied among different Arctic fjords. Upon crude oil exposure, dose- and time-dependent polycyclic aromatic hydrocarbons (PAHs) biotransformation was evident through hepatic ethoxyresorufine-O-deethylase activity, glutathione S-transferase mRNA expression and biliary PAH metabolites. Changes in the activity of individual antioxidants and TOSC was, however, slight and transient upon exposure. In conclusion, biotransformation was clearly induced by the sub-lethal levels of crude oil in polar cod, while the antioxidant defense responded with high variability.
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Affiliation(s)
- Ireen Vieweg
- UiT- The Arctic University of Norway, Faculty of Biosciences, Fisheries and Economics, Department of Arctic and Marine Biology, N-9037 Tromsø, Norway.
| | - Maura Benedetti
- Polytechnic University of Marche, Department of Life and Environmental Science, Via Brecce Bianche, 60100 Ancona, Italy; Consorzio Interuniversitario per le Scienze del Mare, CoNISMa, ULR Ancona, Italy
| | - Ilaria Lanzoni
- Polytechnic University of Marche, Department of Life and Environmental Science, Via Brecce Bianche, 60100 Ancona, Italy
| | - Francesco Regoli
- Polytechnic University of Marche, Department of Life and Environmental Science, Via Brecce Bianche, 60100 Ancona, Italy; Consorzio Interuniversitario per le Scienze del Mare, CoNISMa, ULR Ancona, Italy
| | - Jasmine Nahrgang
- UiT- The Arctic University of Norway, Faculty of Biosciences, Fisheries and Economics, Department of Arctic and Marine Biology, N-9037 Tromsø, Norway
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18
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Alves RN, Mariz CF, Paulo DVD, Carvalho PSM. Toxicity of effluents from gasoline stations oil-water separators to early life stages of zebrafish Danio rerio. CHEMOSPHERE 2017; 178:224-230. [PMID: 28329712 DOI: 10.1016/j.chemosphere.2017.03.023] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2016] [Revised: 03/03/2017] [Accepted: 03/06/2017] [Indexed: 06/06/2023]
Abstract
Used petroleum hydrocarbons and gasoline stations runoff are significant sources of polycyclic aromatic hydrocarbons (PAHs) to aquatic ecosystems. Samples of the final effluent of oil-water-separators were collected at gasoline stations in the metropolitan region of Recife, Brazil, before release to sewage or rainwater systems. Effluent soluble fractions (ESF) were prepared and bioassays were performed according to the Fish Embryo Toxicity Test. The test involved exposing zebrafish Danio rerio embryos to dilutions of the ESFs for 96 h, with daily examination of lethality and sublethal morphological effects integrated through the General Morphology Score (GMS), based on the achievement of developmental hallmarks. Frequencies of abnormalities were recorded after exposures. ESF LC50-96h (lethal concentration to 50% of exposed embryos) in the most toxic effluent achieved 8.9% (v/v), equivalent to 11 μg phenanthrene equivalents L-1. GMS scores indicated significantly delayed embryo-larval development at ESF dilutions of 10% and 20% from effluents of all gas stations. Major abnormalities detected after the 96 h exposure included the presence of a yolk sac not fully absorbed coupled with the lack of an inflated swim bladder, lack of both pectoral fins, and the failure to develop a protruding mouth. Effective equivalent PAH concentrations that induce a 50% frequency of larvae without an inflated swim bladder (EC50) were 4.9 μg phenanthrene L-1, 21.8 μg naphthalene L-1, and 34.1 μg chrysene L-1. This study shows that PAHs in ESFs from gas stations oil water separators are toxic to zebrafish, contributing to the toxicity of urban storm waters.
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Affiliation(s)
| | - Célio Freire Mariz
- Departamento de Zoologia, Universidade Federal de Pernambuco, Recife, Brazil
| | | | - Paulo S M Carvalho
- Departamento de Zoologia, Universidade Federal de Pernambuco, Recife, Brazil.
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19
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Sanni S, Lyng E, Pampanin DM, Smit MGD. II. Species sensitivity distributions based on biomarkers and whole organism responses for integrated impact and risk assessment criteria. MARINE ENVIRONMENTAL RESEARCH 2017; 127:11-23. [PMID: 28041674 DOI: 10.1016/j.marenvres.2016.12.003] [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: 08/04/2016] [Revised: 11/20/2016] [Accepted: 12/15/2016] [Indexed: 06/06/2023]
Abstract
The aim of this paper is to bridge gaps between biomarker and whole organism responses related to oil based offshore discharges. These biomarker bridges will facilitate acceptance criteria for biomarker data linked to environmental risk assessment and translate biomarker results to higher order effects. Biomarker based species sensitivity distributions (SSDbiomarkers) have been constructed for relevant groups of biomarkers based on laboratory data from oil exposures. SSD curves express the fraction of species responding to different types of biomarkers. They have been connected to SSDs for whole organism responses (WORs) constructed in order to relate the SSDbiomarkers to animal fitness parameters that are commonly used in environmental risk assessment. The resulting SSD curves show that biomarkers and WORs can be linked through their potentially affected fraction of species (PAF) distributions, enhancing the capability to monitor field parameters with better correlation to impact and risk assessment criteria and providing improved chemical/biological integration.
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Affiliation(s)
- Steinar Sanni
- IRIS - International Research Institute of Stavanger, P.O. Box 8046, N-4068, Stavanger, Norway; University of Stavanger, Faculty of Science and Technology, Department of Mathematics and Natural Science, N-4036 Stavanger, Norway.
| | - Emily Lyng
- IRIS - International Research Institute of Stavanger, P.O. Box 8046, N-4068, Stavanger, Norway
| | - Daniela M Pampanin
- IRIS - International Research Institute of Stavanger, P.O. Box 8046, N-4068, Stavanger, Norway; University of Stavanger, Faculty of Science and Technology, Department of Mathematics and Natural Science, N-4036 Stavanger, Norway
| | - Mathijs G D Smit
- Shell Global Solutions International BV, PO Box 60, 2280 AB, Rijswijk, The Netherlands
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Xie J, Zhao C, Han Q, Zhou H, Li Q, Diao X. Effects of pyrene exposure on immune response and oxidative stress in the pearl oyster, Pinctada martensii. FISH & SHELLFISH IMMUNOLOGY 2017; 63:237-244. [PMID: 28232194 DOI: 10.1016/j.fsi.2017.02.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 02/17/2017] [Accepted: 02/18/2017] [Indexed: 06/06/2023]
Abstract
Pyrene is a polycyclic aromatic hydrocarbon (PAH) commonly observed in aquatic ecosystems, which originates primarily from the incomplete combustion of fossil fuels and the use of petroleum compounds. Pyrene can cause the immune disturbance and oxidative stress, result in immunotoxicity, DNA damage, reduce reproduction significantly, and induce behavioral changes. Marine bivalves are commonly used as bioindicators for marine pollution, and hemolymph is a metabolite transfer medium for PAH pollutant. However, the vital immune indicator responses of pearl oyster Pinctada martensii hemolymph exposed to pyrene is still unclear. Thus, the immunotoxic responses of pyrene on the hemolymph of the Pinctada martensii were investigated in this study. After exposure to pyrene for 7 days, the total number of hemocytes (THC), cell membrane stability (CMS), phagocytic activity (PA) and total glutathione (GSHT) all decreased significantly. Pyrene also caused a significant increase in lipid peroxidation (LPO). Median effective concentrations (EC50) of pyrene on THC (4.5 μg L-1) and LPO (5.2 μg L-1) were lower than those for CMS (13.8 μg L-1), PA (12.1 μg L-1) and GSHT (7.2 μg L-1), which indicates that THC and LPO were more sensitive. Additionally, a clear dose-effect relationship indicated that pyrene stimulated a marked immune response, as well as oxidative stress in P. martensii, which demonstrates the subtle effects of pyrene exposure on marine invertebrates and the potential associated risk.
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Affiliation(s)
- Jia Xie
- State Key Laboratory of South China Sea Marine Resource Utilisation, Hainan University, Haikou 570228, China; Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China; Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, 17, Chunhui Rd, Laishan District, Yantai 264003, China
| | - Chunfeng Zhao
- State Key Laboratory of South China Sea Marine Resource Utilisation, Hainan University, Haikou 570228, China; Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Qian Han
- State Key Laboratory of South China Sea Marine Resource Utilisation, Hainan University, Haikou 570228, China; Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China
| | - Hailong Zhou
- State Key Laboratory of South China Sea Marine Resource Utilisation, Hainan University, Haikou 570228, China; Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China.
| | - Qingxiao Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, 1955 East-West Road, Honolulu, HI 96822, USA
| | - Xiaoping Diao
- State Key Laboratory of South China Sea Marine Resource Utilisation, Hainan University, Haikou 570228, China; Institute of Tropical Agriculture and Forestry, Hainan University, Haikou 570228, China.
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Agah H, Mehdinia A, Bastami KD, Rahmanpour S. Polycyclic aromatic hydrocarbon pollution in the surface water and sediments of Chabahar Bay, Oman Sea. MARINE POLLUTION BULLETIN 2017; 115:515-524. [PMID: 28007386 DOI: 10.1016/j.marpolbul.2016.12.032] [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: 08/03/2016] [Revised: 11/16/2016] [Accepted: 12/12/2016] [Indexed: 06/06/2023]
Abstract
In the present study, the concentrations and distribution of 16 polycyclic aromatic hydrocarbons (PAHs) in the water and surface sediments from the Chabahar Bay, Oman Sea, were investigated in May (premonsoon) and December (postmonsoon) 2012. The concentrations of PAHs in the surface water samples ranged from 1.7 to 2.8ngl-1 and from 0.04 to 59.6ngl-1 in pre- and postmonsoon, respectively. In general, the PAH levels of the water samples from Chabahar Bay were higher in postmonsoon than in premonsoon (p<0.05). The concentrations of PAHs in the sediment samples varied from undetectable levels to 92.8ngg-1 d.w. in both seasons. The seasonal comparison of the results in sediment samples showed that the overall concentration of PAH compounds was higher in the postmonsoon season (p<0.05).
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Affiliation(s)
- Homira Agah
- Iranian National Institute for Oceanography and Atmospheric Sciences (INIOAS), No. 3, Etemadzadeh St., Fatemi Ave., 1411813389 Tehran, Iran.
| | - Ali Mehdinia
- Iranian National Institute for Oceanography and Atmospheric Sciences (INIOAS), No. 3, Etemadzadeh St., Fatemi Ave., 1411813389 Tehran, Iran
| | - Kazem Darvish Bastami
- Iranian National Institute for Oceanography and Atmospheric Sciences (INIOAS), No. 3, Etemadzadeh St., Fatemi Ave., 1411813389 Tehran, Iran
| | - Shirin Rahmanpour
- Iranian National Institute for Oceanography and Atmospheric Sciences (INIOAS), No. 3, Etemadzadeh St., Fatemi Ave., 1411813389 Tehran, Iran
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22
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Benali I, Boutiba Z, Grandjean D, de Alencastro LF, Rouane-Hacene O, Chèvre N. Spatial distribution and biological effects of trace metals (Cu, Zn, Pb, Cd) and organic micropollutants (PCBs, PAHs) in mussels Mytilus galloprovincialis along the Algerian west coast. MARINE POLLUTION BULLETIN 2017; 115:539-550. [PMID: 28012736 DOI: 10.1016/j.marpolbul.2016.12.028] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2016] [Revised: 12/08/2016] [Accepted: 12/11/2016] [Indexed: 06/06/2023]
Abstract
Native mussels Mytilus galloprovincialis are used as bioindicator organisms to assess the concentration levels and toxic effects of persistent chemicals, polychlorobiphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), and heavy metals using biomarker responses, such as catalase (CAT), glutathione s-transferase (GST), and condition indices, for the Algerian coast. The results show that mussels of Oran Harbour are extremely polluted by PCBs and PAHs, i.e., 97.6 and 2892.1μg/kg d.w., respectively. Other sites present low levels of pollution. Furthermore, high concentrations of zinc, lead and cadmium are found in mussels from fishing, agricultural and estuarine sites, respectively, while low concentrations of copper are found in all of the sites studied. CAT activity is negatively correlated with Cd and Cu, and Zn is positively correlated with GST and CAT. Site classification tools reveal the potential toxicity of coastal areas exposed to anthropogenic pressure and a gradient of toxicity along the Algerian west coast.
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Affiliation(s)
- Imene Benali
- Laboratory Network for Environmental Monitoring (LRSE), Department of Biology, University of Oran 1 Ahmed Ben Bella, BP 1524 El M'naouer, 31000 Oran, Algeria; Department of Applied Molecular Genetics, Faculty of Natural and Life Sciences, University of Science and Technology Mohamed Boudiaf USTO/MB, BP 1505 El Menaouar, 31036 Oran, Algeria.
| | - Zitouni Boutiba
- Laboratory Network for Environmental Monitoring (LRSE), Department of Biology, University of Oran 1 Ahmed Ben Bella, BP 1524 El M'naouer, 31000 Oran, Algeria.
| | - Dominique Grandjean
- Central Environmental Laboratory (GR-CEL), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Luiz Felippe de Alencastro
- Central Environmental Laboratory (GR-CEL), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland.
| | - Omar Rouane-Hacene
- Laboratory Network for Environmental Monitoring (LRSE), Department of Biology, University of Oran 1 Ahmed Ben Bella, BP 1524 El M'naouer, 31000 Oran, Algeria.
| | - Nathalie Chèvre
- Faculty of Geosciences and Environment, University of Lausanne, 1015 Lausanne, Switzerland.
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23
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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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24
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Lister KN, Lamare MD, Burritt DJ. Dietary pollutants induce oxidative stress, altering maternal antioxidant provisioning and reproductive output in the temperate sea urchin Evechinus chloroticus. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 177:106-115. [PMID: 27267389 DOI: 10.1016/j.aquatox.2016.05.013] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2016] [Revised: 05/18/2016] [Accepted: 05/20/2016] [Indexed: 06/06/2023]
Abstract
Evidence is growing to suggest that the capacity to withstand oxidative stress may play an important role in shaping life-history trade-offs, although little is known on the relationship in broadcast spawning marine invertebrates. In this group, variation in gamete quantity and quality are important drivers of offspring survival and successful recruitment. Therefore the provisioning of eggs with antioxidants may be an important driver of life history strategies because they play a critical role in preventing damage from reactive oxygen species to macromolecules. In this study, a suite of oxidative stress biomarkers was measured in the gonads and eggs of the sea urchin Evechinus chloroticus exposed to polycyclic aromatic hydrocarbons (PAHs). Links between oxidative stress markers and core components of fitness including fecundity, gamete quality and maternal transfer of antioxidants were assessed. Experimental induction of oxidative stress was achieved via exposure to a mix of four PAHs over a 21-day period. In PAH exposed individuals, we observed a significant upregulation of the antioxidant defence and detoxification enzymes SOD, CAT, GR, GPx and GST, as well as a greater pool of the non-enzymatic antioxidant glutathione in gonad tissue and eggs. In contrast, glutathione redox status was not affected by PAH exposure, with the percentage of reduced glutathione remaining at approximately 80% in both gonad tissue and released eggs. PAH-exposed adults experienced greater than three- and five-fold increases in oxidative protein and lipid damage, respectively, in gonad tissue. In contrast, eggs maintained low levels of damage, not differing from baseline levels found in eggs released from PAH-naïve mothers. PAH exposure also resulted in a 2-fold reduction in fecundity of reproductively mature females but no significant alteration to egg diameter. Although PAH-exposed females released fewer eggs, successful fertilisation of those eggs was slightly enhanced with average rates ranging from 90-99% in comparison to 76-90% in control eggs. Early-stage offspring reflected maternal antioxidant status with populations derived from PAH-exposed mothers demonstrating significantly higher antioxidant levels than those derived from PAH-naïve mothers. This maternally inherited protection enhanced the capacity of embryos to minimise oxidative damage to lipids and proteins during early development but, despite this, did not reduce the proportion of morphological abnormalities in the population. Overall, these findings indicate that when faced with short-term contaminant stress E. chloroticus has the capacity to trade high reproductive output during a spawning event for a greater antioxidant investment in eggs. However, this production of potentially more resilient offspring did not translate to a fitness gain, at least for the early larval stages in the present experimental conditions.
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Affiliation(s)
- Kathryn N Lister
- Department of Botany, 464 Great King St, University of Otago, 9016 Dunedin, New Zealand.
| | - Miles D Lamare
- Department of Marine Science, 410 Castle St, University of Otago, 9016 Dunedin, New Zealand
| | - David J Burritt
- Department of Botany, 464 Great King St, University of Otago, 9016 Dunedin, New Zealand
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25
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Geraudie P, Bakkemo R, Milinkovitch T, Thomas-Guyon H. First evidence of marine diesel effects on biomarker responses in the Icelandic scallops, Chlamys islandica. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2016; 23:16504-16512. [PMID: 27169408 DOI: 10.1007/s11356-016-6572-x] [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: 10/14/2015] [Accepted: 03/27/2016] [Indexed: 06/05/2023]
Abstract
The decrease of ice cover in polar areas is expected to lead to an increase in ship traffic. In this context, the risk associated with exposure of the aquatic environment to oil-related chemicals from spills and/or accidental fuel discharges from ships will increase in the near future, potentially causing negative impacts on sensitive Arctic species. This study investigated for the first time the biomarker responses of the Icelandic scallops (Chlamys islandica) to marine diesel exposure. Antioxidant response, neurotoxic effect, gonad maturation, and lipid content were assessed in male and female scallops, Chlamys islandica after a 7-day exposure to marine diesel. At the end of exposure, results showed an inhibition of acetylcholinesterase activity in Icelandic scallops exposed to high concentration of diesel. At the end of exposure, results showed an increase in naphthalene residues in hemolymph, together with an inhibition of AChE activity in Icelandic scallops exposed to high concentration of diesel. In addition, alteration of the escape capacity was observed suggesting effects on behavior responses. Overall, this study contributes to the better knowledge of physiological effects of marine diesel in Arctic marine organisms.
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Affiliation(s)
- Perrine Geraudie
- Akvaplan-niva AS, High North Research Centre for Climate and the Environment, 9296, Tromsø, Norway.
| | - Renée Bakkemo
- University of Essex, Wivenhoe Park, Colchester, Essex, CO4 3SQ, UK
| | - Thomas Milinkovitch
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
| | - Helene Thomas-Guyon
- Littoral Environnement et Sociétés (LIENSs), UMR 7266, CNRS-Université de La Rochelle, 2 rue Olympe de Gouges, F-17042, La Rochelle Cedex 01, France
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26
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Dasgupta S, DiGiulio RT, Drollette BD, L Plata D, Brownawell BJ, McElroy AE. Hypoxia depresses CYP1A induction and enhances DNA damage, but has minimal effects on antioxidant responses in sheepshead minnow (Cyprinodon variegatus) larvae exposed to dispersed crude oil. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2016; 177:250-60. [PMID: 27315012 DOI: 10.1016/j.aquatox.2016.05.022] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 05/14/2016] [Accepted: 05/22/2016] [Indexed: 05/26/2023]
Abstract
The growing incidence of hypoxic regions in coastal areas receiving high volumes of anthropogenic discharges requires more focused risk assessment of multiple stressors. One area needing further study is the combined effect of hypoxia and oil exposure. This study examined the short-term sublethal effects of co-exposure to hypoxia and water accommodated fractions (WAF) and chemically enhanced WAFs (CEWAFs) of Southern Louisiana Crude oil on detoxification, antioxidant defenses and genotoxicity in early life stage sheepshead minnow (Cyprinodon variegatus). CYP1A induction (evaluated by measuring EROD activity), activity of a number of key antioxidant enzymes (GST, GR, GPx, SOD, CAT, and GCL), levels of antioxidants (tGSH, GSH, and GSSG), evidence of lipid peroxidation (evaluated using the TBARS assay), and DNA damage (evaluated using the comet assay) provided a broad assessment of responses. Contaminant detoxification pathways induced by oil exposure were inhibited by co-exposure to hypoxia, indicating a maladaptive response. The interactive effects of oil and hypoxia on antioxidant defenses were mixed, but generally indicated less pronounced alterations, with significant increases in lipid peroxidation not observed. Hypoxia significantly enhanced DNA damage induced by oil exposure indicating the potential for significant deleterious effects post exposure. This study demonstrates the importance of considering hypoxia as an enhanced risk factor in assessing the effects of contaminants in areas where seasonal hypoxia may be prevalent.
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Affiliation(s)
- Subham Dasgupta
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, 11790, New York, United States
| | - Richard T DiGiulio
- Nicholas School of Environment, Duke University, Durham, NC 27708, United States
| | - Brian D Drollette
- School of Engineering & Applied Science, Yale University, New Haven, CT 06520, United States
| | - Desire L Plata
- School of Engineering & Applied Science, Yale University, New Haven, CT 06520, United States
| | - Bruce J Brownawell
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, 11790, New York, United States
| | - Anne E McElroy
- School of Marine and Atmospheric Sciences, Stony Brook University, Stony Brook, 11790, New York, United States.
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27
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Larsen LH, Sagerup K, Ramsvatn S. The mussel path – Using the contaminant tracer, Ecotracer, in Ecopath to model the spread of pollutants in an Arctic marine food web. Ecol Modell 2016. [DOI: 10.1016/j.ecolmodel.2015.10.011] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Frantzen M, Regoli F, Ambrose WG, Nahrgang J, Geraudie P, Benedetti M, Locke WL, Camus L. Biological effects of mechanically and chemically dispersed oil on the Icelandic scallop (Chlamys islandica). ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2016; 127:95-107. [PMID: 26809079 DOI: 10.1016/j.ecoenv.2016.01.011] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2015] [Revised: 01/11/2016] [Accepted: 01/12/2016] [Indexed: 06/05/2023]
Abstract
This study aimed to simulate conditions in which dispersant (Dasic NS) might be used to combat an oil spill in coastal sub-Arctic water of limited depth and water exchange in order to produce input data for Net Environmental Benefit Analysis (NEBA) of Arctic and sub-Arctic coastal areas. Concentration dependent differences in acute responses and long-term effects of a 48h acute exposure to dispersed oil, with and without the application of a chemical dispersant, were assessed on the Arctic filter feeding bivalve Chlamys islandica. Icelandic scallops were exposed for 48h to a range of spiked concentrations of mechanically and chemically dispersed oil. Short-term effects were assessed in terms of lysosomal membrane stability, superoxide dismutase, catalase, gluthatione S-transferases, glutathione peroxidases, glutathione reductase, glutathione, total oxyradical scavenging capacity, lipid peroxidation and peroxisomal proliferation. Post-exposure survival, growth and reproductive investment were followed for 2 months to evaluate any long-term consequence. Generally, similar effects were observed in scallops exposed to mechanically and chemically dispersed oil. Limited short-term effects were observed after 48h, suggesting that a different timing would be required for measuring the possible onset of such effects. There was a concentration dependent increase in cumulative post-exposure mortality, but long-term effects on gonadosomatic index, somatic growth/condition factor did not differ among treatments.
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Affiliation(s)
- Marianne Frantzen
- Akvaplan-niva, Fram Centre, Post Box 6606 Langnes, N-9296 Tromsø, Norway.
| | - Francesco Regoli
- Dipartimento de Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, I-60131 Ancona, Italy.
| | - William G Ambrose
- Akvaplan-niva, Fram Centre, Post Box 6606 Langnes, N-9296 Tromsø, Norway; Bates College, Department of Biology, Lewiston, ME 04240, USA.
| | - Jasmine Nahrgang
- Akvaplan-niva, Fram Centre, Post Box 6606 Langnes, N-9296 Tromsø, Norway.
| | - Perrine Geraudie
- Akvaplan-niva, Fram Centre, Post Box 6606 Langnes, N-9296 Tromsø, Norway.
| | - Maura Benedetti
- Dipartimento de Scienze della Vita e dell'Ambiente, Università Politecnica delle Marche, I-60131 Ancona, Italy.
| | - William L Locke
- Bates College, Department of Biology, Lewiston, ME 04240, USA.
| | - Lionel Camus
- Akvaplan-niva, Fram Centre, Post Box 6606 Langnes, N-9296 Tromsø, Norway.
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29
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Capó X, Tejada S, Box A, Deudero S, Sureda A. Oxidative status assessment of the endemic bivalve Pinna nobilis affected by the oil spill from the sinking of the Don Pedro. MARINE ENVIRONMENTAL RESEARCH 2015; 110:19-24. [PMID: 26254583 DOI: 10.1016/j.marenvres.2015.07.013] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2015] [Revised: 07/19/2015] [Accepted: 07/23/2015] [Indexed: 06/04/2023]
Abstract
Several biomarkers were determined to evaluate the effects of the Don Pedro spillage on the digestive gland of the fan mussel Pinna nobilis (Linnaeus, 1758). Two areas in the southeast of Ibiza Island (Western Mediterranean) were selected; one affected by the oil spill (Talamanca) and one did not affected (Espardell). Mussels were sampled one, six and twelve months after the accident. PAH levels were elevated in P. nobilis from the affected area one month after the accident and, although they were decreasing gradually, they were always higher than in the control area. An increase in enzyme activities, reduced glutathione and lipid peroxidation were evidenced one month after the spillage, with no changes in acetylcholinesterase. All biomarkers progressively returned to basal levels one year after the oil spill. In conclusion, the Don Pedro oil spill induced an acute situation of oxidative stress on P. nobilis that were recovered twelve months later.
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Affiliation(s)
- Xavier Capó
- Research Group on Community Nutrition and Oxidative Stress, Department of Fundamental Biology and Health Sciences, University of Balearic Islands, E-07122, Palma de Mallorca, Spain
| | - Silvia Tejada
- Experimental Laboratory, Research Unit, Son Llàtzer Hospital, IUNICS, Ctra. Manacor km 4, E-07198, Palma de Mallorca, Balearic Islands, Spain
| | - Antonio Box
- Consell Insular d'Eivissa, Dep. Agricultura, Ramaderia, Pesca, Caça i Cooperació Municipal, Avda Espanya nº49, E-07800, Eivissa, Balearic Islands, Spain
| | - Salud Deudero
- Balearic Islands Oceanographic Centre, Spanish Institute of Oceanography (IEO), P.O. Box 291, E-07015, Palma de Mallorca, Balearic Islands, Spain
| | - Antoni Sureda
- CIBER: CB12/03/30038 Fisiopatología de la Obesidad y la Nutrición, CIBEROBN, Instituto de Salud Carlos III (ISCIII), Spain.
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30
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Lister KN, Lamare MD, Burritt DJ. Oxidative damage and antioxidant defence parameters in the Antarctic bivalve Laternula elliptica as biomarkers for pollution impacts. Polar Biol 2015. [DOI: 10.1007/s00300-015-1739-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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31
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Benali I, Boutiba Z, Merabet A, Chèvre N. Integrated use of biomarkers and condition indices in mussels (Mytilus galloprovincialis) for monitoring pollution and development of biomarker index to assess the potential toxic of coastal sites. MARINE POLLUTION BULLETIN 2015; 95:385-394. [PMID: 25865346 DOI: 10.1016/j.marpolbul.2015.03.041] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2015] [Revised: 03/24/2015] [Accepted: 03/25/2015] [Indexed: 06/04/2023]
Abstract
In this study, we are interested in spatial and temporal variations of the biological and physiological responses of mussels collected from contrasting marine sites regarding their levels of pollution. We measured both the conditions indices and the enzymatic biomarker expression: acetylcholinesterase (AChE), catalase (CAT) and glutathione S-transferase (GST) activity. The enzymatic biomarkers were chosen because they respond to environmental stress. Results show a significant interactions between biomarker variations and conditions indices in the industrial harbor site throughout the seasons. But no significant changes in the reference site. Furthermore, we classified the sites along the seasons according to their potential ecotoxicity, calculated based on the sum of the normalised values of the biomarkers. The results show a very high biomarker index in the impacted site with irregular changes between seasons. This biomarker index is therefore a valuable tool that could be used to classify the toxic potential of coastal sites.
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Affiliation(s)
- Imene Benali
- Laboratory Network for Environmental Monitoring (LRSE), Department of Biology, University of Oran, BP 1524 El M'naouer, 31000 Oran, Algeria; Department of Applied Molecular Genetics, Faculty of Natural and Life Sciences, University of Science and Technology Houari Boumediene, BP 1505 El Menaouar, 31036 USTO Oran, Algeria.
| | - Zitouni Boutiba
- Laboratory Network for Environmental Monitoring (LRSE), Department of Biology, University of Oran, BP 1524 El M'naouer, 31000 Oran, Algeria.
| | - Amina Merabet
- Laboratory Network for Environmental Monitoring (LRSE), Department of Biology, University of Oran, BP 1524 El M'naouer, 31000 Oran, Algeria.
| | - Nathalie Chèvre
- Faculty of Geosciences and Environment, University of Lausanne, 1015 Lausanne, Switzerland.
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32
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Martins M, Costa PM. The comet assay in Environmental Risk Assessment of marine pollutants: applications, assets and handicaps of surveying genotoxicity in non-model organisms. Mutagenesis 2014; 30:89-106. [DOI: 10.1093/mutage/geu037] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
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33
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Fokina NN, Bakhmet IN, Shklyarevich GA, Nemova NN. Effect of seawater desalination and oil pollution on the lipid composition of blue mussels Mytilus edulis L. from the White Sea. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2014; 110:103-109. [PMID: 25212488 DOI: 10.1016/j.ecoenv.2014.08.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2014] [Revised: 08/08/2014] [Accepted: 08/09/2014] [Indexed: 06/03/2023]
Abstract
A study on the effect oil pollution under normal and reduced salinity had on blue mussels Mytilus edulis L. from the White Sea in an aquarium-based experiment and in the natural habitat revealed a change in gill total lipids as a compensatory response. The cholesterol concentration and the cholesterol/phospholipids ratio in gills were found to reflect the impact of the environmental factors (oil pollution and desalination), and evidence adaptive changes in the cell membrane structure. An elevated content of storage lipids (chiefly triacylglycerols) in the mussels in the aquarium experiment indicates, first of all, the uptake and accumulation of oil products in gill cells under both normal and reduced seawater salinity, while high triacylglycerols level in gill littoral mussels from 'control' biotope in the Gulf of Kandalaksha is primarily associated with the mussel׳s pre-spawning period.
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Affiliation(s)
- N N Fokina
- Institute of Biology, Karelian Research Centre, Russian Academy of Sciences, Puskinskaja St. 11, Petrozavodsk 185910, Russia.
| | - I N Bakhmet
- Institute of Biology, Karelian Research Centre, Russian Academy of Sciences, Puskinskaja St. 11, Petrozavodsk 185910, Russia
| | - G A Shklyarevich
- Petrozavodsk State University, Lenin Pr. 33, Petrozavodsk 185910, Russia
| | - N N Nemova
- Institute of Biology, Karelian Research Centre, Russian Academy of Sciences, Puskinskaja St. 11, Petrozavodsk 185910, Russia
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34
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Deng X, Pan L, Miao J, Cai Y, Hu F. Digital gene expression analysis of reproductive toxicity of benzo[a]pyrene in male scallop chlamys farreri. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2014; 110:190-196. [PMID: 25244687 DOI: 10.1016/j.ecoenv.2014.09.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 08/28/2014] [Accepted: 09/02/2014] [Indexed: 06/03/2023]
Abstract
Benzo[a]pyrene (BaP) is a representative polycyclic aromatic hydrocarbon (PAH) and is studied widely for its strong toxicity and wide distribution. Although BaP pollution in marine environment is increasing, molecular mechanisms underlying reproductive toxicity of BaP in marine mollusks have been seldom systematically studied, especially in males. In this study, genes that regulated reproductive responses of Chlamys farreri under BaP stress were analyzed through digital gene expression (DGE) sequencing with testis tissues. A total of 12,485,055 and 14,454,127 clean reads were generated from control and BaP exposure DGE libraries, respectively. After comparing two libraries, 1051 differentially expressed genes were detected, with 223 up-regulated and 828 down-regulated genes. Gene ontology (GO) annotation and kyoto encyclopedia of genes and genomes (KEGG) pathway analyses were performed on all genes to understand their biological functions and processes. The results showed that numerous enriched, differentially expressed genes related to aromatic compound catabolic processes, spermatid development, microtubule-based movement, energy production and immune response. Quantitative real-time PCR was performed to verify the expressed genes of DGE. The study generated data to show the overall reproductive transcription responses of male C. farreri under BaP stress, and it also can serve as the reference for future study of organic pollutions in aquatic mollusks.
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Affiliation(s)
- Xuxu Deng
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Luqing Pan
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China.
| | - Jingjing Miao
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Yuefeng Cai
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
| | - Fengxiao Hu
- The Key Laboratory of Mariculture, Ministry of Education, Ocean University of China, Qingdao 266003, PR China
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35
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Cai Y, Pan L, Hu F, Jin Q, Liu T. Deep sequencing-based transcriptome profiling analysis of Chlamys farreri exposed to benzo[a]pyrene. Gene 2014; 551:261-70. [DOI: 10.1016/j.gene.2014.09.003] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Revised: 08/11/2014] [Accepted: 09/03/2014] [Indexed: 10/24/2022]
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36
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Okay OS, Karacık B, Güngördü A, Ozmen M, Yılmaz A, Koyunbaba NC, Yakan SD, Korkmaz V, Henkelmann B, Schramm KW. Micro-organic pollutants and biological response of mussels in marinas and ship building/breaking yards in Turkey. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 496:165-178. [PMID: 25079235 DOI: 10.1016/j.scitotenv.2014.07.035] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/18/2014] [Revised: 07/04/2014] [Accepted: 07/09/2014] [Indexed: 06/03/2023]
Abstract
Concentrations of PAHs, PCBs and OCPs in sediments and mussels (caged and/or native) were determined at 16 stations in six major sites of coastal Turkey. The biological effects of pollution were evaluated using sediment toxicity tests and enzyme activity assays. EROD, PROD, GST, AChE, CaE, and GR activities were evaluated using the digestive glands of mussels. The total PAH concentrations in the sediments varied between nd and 79,674 ng g(-1) dw, while the total OCP concentrations were in the range of nd to 53.7 ng g(-1) dw. The total PAH concentrations in mussels varied between 22.3 and 37.4 ng g(-1) ww. The average concentrations of total PCBs in mussels were 2795 pg g(-1) ww in the shipyard, 797 pg g(-1) ww in Marina 2 and 53 pg g(-1) ww in Marina 1 stations. The results of whole-sediment toxicity tests showed a strong correlation between toxicity test results and pollutant concentrations. Selected cytosolic enzyme activities in digestive glands differed significantly depending on localities. These differences in enzyme activities were mainly related to the different pollutant levels of the sampling sites. The micro-organic contaminant profile patterns, toxicity tests and biomarker studies showed that shipyards and shipbreaking yards are the major potential sources of organic pollution in coastal areas.
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Affiliation(s)
- O S Okay
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey.
| | - B Karacık
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - A Güngördü
- İnönü University, Arts and Sciences Faculty, Department of Biology, Laboratory of Environmental Toxicology, 44069, Malatya, Turkey
| | - M Ozmen
- İnönü University, Arts and Sciences Faculty, Department of Biology, Laboratory of Environmental Toxicology, 44069, Malatya, Turkey
| | - A Yılmaz
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - N C Koyunbaba
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - S D Yakan
- Istanbul Technical University, Faculty of Naval Architecture and Ocean Engineering, 34469, Maslak, İstanbul, Turkey
| | - V Korkmaz
- İnönü University, Arts and Sciences Faculty, Department of Biology, Laboratory of Environmental Toxicology, 44069, Malatya, Turkey
| | - B Henkelmann
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Ecological Chemistry, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany
| | - K-W Schramm
- Helmholtz Zentrum München, German Research Center for Environmental Health, Institute of Ecological Chemistry, Ingolstädter Landstrasse 1, 85764 Neuherberg, Germany; TUM, Wissenschaftszentrum Weihenstephan für Ernährung und Landnutzung, Department für Biowissenschaften, Weihenstephaner Steig 23, 85350 Freising, Germany
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37
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Xiu M, Pan L, Jin Q. Bioaccumulation and oxidative damage in juvenile scallop Chlamys farreri exposed to benzo[a]pyrene, benzo[b]fluoranthene and chrysene. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2014; 107:103-110. [PMID: 24967756 DOI: 10.1016/j.ecoenv.2014.05.016] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/03/2014] [Revised: 05/07/2014] [Accepted: 05/16/2014] [Indexed: 06/03/2023]
Abstract
The study is aimed at investigating the bioaccumulation and oxidative damage of juvenile scallops (Chlamys farreri) exposed to three selected PAHs: benzo[a]pyrene (BaP), benzo[b]fluoranthene (BbF) and chrysene (CHR). For this purpose, a study was performed on juvenile scallops exposed to BaP (0.01, 0.2 and 4μg/L), BbF (0.02, 0.2 and 2μg/L) and CHR (0.2, 0.8 and 3.2μg/L) for 21 days. Accumulations of these three PAHs in soft parts of scallops, except the 0.01μg/L BaP group and the 0.02μg/L BbF group, showed obvious time and dose dependence, and CHR accumulation was higher when compared to BaP and BbF. Oxidative damage indicators, including lipid peroxidation (LPO), protein carbonyl (PC) and DNA strand breaks, were also measured in soft parts to assess effects of the selected PAHs. The results showed that the LPO levels, PC contents and DNA damage were induced significantly (P<0.05 or P<0.01), except in the low level groups of BaP and BbF, and different trends were detected with time of exposure. According to the correlation analysis results, PC content in soft parts showed a good correlation with the target contaminant and seemed to be proposed as a potential early indicator of BaP, BbF and CHR. In addition the sequence of toxicity is BaP>BbF>CHR, judging by the level of induction of oxidative damage at 0.2μg/L levels. The results of this research are expected to contribute to the establishment of a good biochemical index of exposure to PAHs in laboratory experiments, which can be further useful in field studies.
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Affiliation(s)
- Meng Xiu
- The Key Laboratory of Mariculture, Fisheries College, Ministry of Education, Ocean University of China, Yushan Road 5, Qingdao 266003, PR China
| | - Luqing Pan
- The Key Laboratory of Mariculture, Fisheries College, Ministry of Education, Ocean University of China, Yushan Road 5, Qingdao 266003, PR China.
| | - Qian Jin
- The Key Laboratory of Mariculture, Fisheries College, Ministry of Education, Ocean University of China, Yushan Road 5, Qingdao 266003, PR China
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38
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Ruiz P, Ortiz-Zarragoitia M, Orbea A, Vingen S, Hjelle A, Baussant T, Cajaraville MP. Short- and long-term responses and recovery of mussels Mytilus edulis exposed to heavy fuel oil no. 6 and styrene. ECOTOXICOLOGY (LONDON, ENGLAND) 2014; 23:861-879. [PMID: 24676935 DOI: 10.1007/s10646-014-1226-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/06/2014] [Indexed: 06/03/2023]
Abstract
Biomarkers have the potential to be used to assess the impact of anthropogenic discharges in marine waters. We have used a suite of biomarkers spanning from enzymatic to histopathological alterations and general stress responses to assess the short- and long-term impact on mussels Mytilus edulis of heavy fuel oil no. 6 and styrene. Mussels were exposed for 5 months, with a refilling of the exposure system, to a water soluble fraction of heavy fuel and, then, kept for a month in clean water for recovery. In a second experiment, mussels were exposed to styrene for 19 days and maintained in clean water for up to 4 months. Chemical body tissue levels reflected the weathering processes of these compounds. Acyl-CoA oxidase activity was induced in oil-exposed mussels after refilling, whereas styrene inhibited it after 19 days of exposure and after 2 weeks in clean water. Gamete development and alkali-labile phosphate levels suggest that neither oil nor styrene behaved as endocrine disruptors. Neutral red retention time was lower in treated groups than in controls. Lysosomal membrane stability was significantly reduced in exposed groups and recovered after withdrawal of oil but not after removal of styrene. Neither oil nor styrene exposure affected the condition index except for the reduction seen in mussels exposed to oil for 1 month. Biomarker response index discriminated exposed mussels, which showed higher values, and returned to control levels after recovery. Results obtained from these pilot experiments can help to identify relevant monitoring tools to assess the impact of oil and chemicals in marine spill scenarios.
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Affiliation(s)
- Pamela Ruiz
- CBET Research Group, Department Zoology and Animal Cell Biology, Science and Technology Faculty, Research Centre for Experimental Marine Biology and Biotechnology PIE, University of the Basque Country UPV/EHU, Sarriena z/g, 48940, Leioa, Basque Country, Spain
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39
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Dailianis S, Tsarpali V, Melas K, Karapanagioti HK, Manariotis ID. Aqueous phenanthrene toxicity after high-frequency ultrasound degradation. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2014; 147:32-40. [PMID: 24373890 DOI: 10.1016/j.aquatox.2013.12.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2013] [Revised: 11/22/2013] [Accepted: 12/08/2013] [Indexed: 06/03/2023]
Abstract
Given that polycyclic aromatic hydrocarbons (PAHs), such as phenanthrene (PH), possess a potent risk for aquatic biota, a great attempt to develop and apply advanced oxidation processes, such as ultrasound (US), is of great concern nowadays. However, because US PAH-derived toxic intermediates are difficult to detect, the present study investigates aqueous PH toxicity before and after high-frequency US degradation, in hemocytes of mussel Mytilus galloprovincialis. Specifically, cell viability (with the use of neutral red uptake/NRU method), and oxidative-stress indices in terms of superoxide anions, (O2(-)), nitric oxides (NO, in terms of nitrites), lipid peroxidation products (in terms of malondialdehyde/MDA content) and DNA damage (with the use of Comet assay method) were investigated in mussel hemocytes exposed to environmentally relevant concentrations of PH (0.01, 0.1, 1 and 10 μg L(-1)), before and after US treatment for 120 min (at a frequency of 582 kHz). According to the results, the NRU method showed a significant attenuation of PH-induced mortality in US PH-treated hemocytes in all cases. Moreover, the increased levels of O2(-) and NO generation, as well as MDA content measured in PH-treated hemocytes, were drastically decreased after US degradation in any case. Similarly, the disturbance of DNA integrity (in terms of % DNA in tail, OM and TM), was negligible in case of US PH-treated hemocytes. Although further in vitro and in vivo studies are needed, the present study showed for the first time that high frequency US could be applied as a highly efficient and "environmentally friendly" process for degrading low molecular weight PAH, such as PH.
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Affiliation(s)
- Stefanos Dailianis
- Section of Animal Biology, Department of Biology, Faculty of Sciences, University of Patras, 26500, Greece.
| | - Vasiliki Tsarpali
- Section of Animal Biology, Department of Biology, Faculty of Sciences, University of Patras, 26500, Greece
| | - Konstantinos Melas
- Section of Animal Biology, Department of Biology, Faculty of Sciences, University of Patras, 26500, Greece
| | | | - Ioannis D Manariotis
- Environmental Engineering Laboratory, Department of Civil Engineering, University of Patras, 26504, Greece
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40
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Sureda A, Tejada S, Box A, Deudero S. Polycyclic aromatic hydrocarbon levels and measures of oxidative stress in the Mediterranean endemic bivalve Pinna nobilis exposed to the Don Pedro oil spill. MARINE POLLUTION BULLETIN 2013; 71:69-73. [PMID: 23623655 DOI: 10.1016/j.marpolbul.2013.03.033] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2012] [Revised: 03/25/2013] [Accepted: 03/28/2013] [Indexed: 06/02/2023]
Abstract
The fan mussel (Pinna nobilis Linné, 1758) is the largest endemic Mediterranean bivalve subject to strict protection as an endangered species. Antioxidant biomarkers in P. nobilis gills for biomonitoring marine pollution were researched after the Don Pedro oil spill. Two sampling locations on the east and southeast of the island of Ibiza (Western Mediterranean, Spain) were selected, one extensively affected by the oil spill and the other unaffected (control area). Mussels were sampled 1 month, 6 months and 1 year after the accident. Polycyclic aromatic hydrocarbon levels and antioxidant enzymes significantly increased as result of the oil spill in all sampling periods (p<0.05). Oxidative damage in lipids significantly increased in the mussels collected in the affected area (p<0.05), though such damage was back to normal after 1 year. In conclusion, the Don Pedro oil spill induced a situation of oxidative stress on P. nobilis that continued a year later.
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Affiliation(s)
- Antoni Sureda
- Department of Fundamental Biology and Health Sciences, University of the Balearic Islands, IUNICS, Ctra. Valldemossa, km 7.5, CP 07122, Palma de Mallorca, Balearic Islands, Spain.
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41
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Dabrowska H, Kopko O, Turja R, Lehtonen KK, Góra A, Polak-Juszczak L, Warzocha J, Kholodkevich S. Sediment contaminants and contaminant levels and biomarkers in caged mussels (Mytilus trossulus) in the southern Baltic Sea. MARINE ENVIRONMENTAL RESEARCH 2013; 84:1-9. [PMID: 23195377 DOI: 10.1016/j.marenvres.2012.11.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2012] [Revised: 10/24/2012] [Accepted: 11/03/2012] [Indexed: 05/25/2023]
Abstract
Sediment from four southern Baltic Sea locations and caged mussels were analyzed for PCBs, organochlorine pesticides and metals (Cu, Zn, Cd, Pb, Hg). In mussels, which were additionally analyzed for 16 individual PAHs, a set of biomarker responses was measured to derive an integrated biomarker response (IBR) index as a part of integrative assessment of pollution in this area. Concentrations of PCBs, ΣDDT, and metals in sediment and mussels, greatest within the Gulf of Gdańsk area, showed decreasing gradients outwards from the Gulf. Sediment quality quotients (SQQs) and biological impact quotients (BIQs), reflecting on sediment- and mussel-accumulated contaminants' potential for biological effects, respectively, pointed out to the Gulf of Gdańsk to be of greatest concern among the examined sites. The IBRs corresponded poorly with the SQQs and BIQs, nevertheless, provided a line of evidence indicative of biological effects of contaminants to support more complex processes of environmental status assessment.
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Affiliation(s)
- Henryka Dabrowska
- National Marine Fisheries Research Institute, Kołłątaja 1, 81-332 Gdynia, Poland.
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42
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Nahrgang J, Brooks SJ, Evenset A, Camus L, Jonsson M, Smith TJ, Lukina J, Frantzen M, Giarratano E, Renaud PE. Seasonal variation in biomarkers in blue mussel (Mytilus edulis), Icelandic scallop (Chlamys islandica) and Atlantic cod (Gadus morhua): implications for environmental monitoring in the Barents Sea. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2013; 127:21-35. [PMID: 22310169 DOI: 10.1016/j.aquatox.2012.01.009] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2011] [Revised: 12/20/2011] [Accepted: 01/13/2012] [Indexed: 05/31/2023]
Abstract
In the Barents Sea, the limited data on biological relevant indicators and their responses to various anthropogenic stressors have hindered the development of a consistent scientific basis for selecting indicator species and developing practical procedures for environmental monitoring. Accordingly, the main aim of the present study was to develop a common set of baseline values for contaminants and biomarkers in three species, and to identify their strengths and limitations in monitoring of the Barents Sea. Blue mussel (Mytilus edulis), Icelandic scallop (Chlamys islandica) and Atlantic cod (Gadus morhua) were sampled from a north Norwegian fjord in March, June, September and December 2010. Digestive glands from the bivalve species and liver from Atlantic cod were analysed for biomarkers of oxidative stress (catalase [CAT], glutathione peroxidase [GPX], glutathione-S-transferase activities [GST], lipid peroxidation as thiobarbituric reactive substances [TBARS] and total oxyradical scavenging capacity [TOSC]), biotransformation (ethoxyresorufine-O-deethylase activity [EROD]) and general stress (lysosomal membrane stability [LMS]). Concentrations of polycyclic aromatic hydrocarbons (PAHs) and metals in the bivalves and PAH metabolites in fish bile were quantified. Finally, energy reserves (total lipids, proteins and carbohydrates) and electron transport system (ETS) activity in the digestive gland of the bivalves and liver of Atlantic cod provided background information for reproductive cycle and general physiological status of the organisms. Blue mussel and Icelandic scallop showed very similar trends in biological cycle, biomarker expression and seasonality. Biomarker baselines in Atlantic cod showed weaker seasonal variability. However, important biological events may have been undetected due to the large time intervals between sampling occasions. Physiological biomarkers such as energy reserves and ETS activity were recommended as complementary parameters to the commonly used stress biomarkers, as they provided valuable information on the physiological status of the studied organisms. Interpretation of the seasonality in oxidative stress biomarkers was in general difficult but TOSC and lipid peroxidation were preferred over the antioxidant enzyme activities. This study is the first reporting seasonal baseline in these three species in a sub-Arctic location. Overall, the Icelandic scallop was considered the most adequate organism for environmental monitoring in the Barents Sea due to the interpretability of the biomarker data as well as its abundance, ease to handle and wide distribution from the southern Barents Sea to Svalbard.
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Affiliation(s)
- J Nahrgang
- Akvaplan-niva, FRAM Centre, Tromsø, Norway.
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43
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Grintzalis K, Georgiou CD, Dailianis S. Total thiol redox status as a potent biomarker of PAH-mediated effects on mussels. MARINE ENVIRONMENTAL RESEARCH 2012; 81:26-34. [PMID: 22944588 DOI: 10.1016/j.marenvres.2012.08.004] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2012] [Revised: 07/27/2012] [Accepted: 08/03/2012] [Indexed: 06/01/2023]
Abstract
This laboratory study describes phenanthrene (Ph) and/or anthracene (An) ability to alter the total thiol redox status (TRS), via depletion of protein free thiols (PSH) and glutathione (GSH) levels, in gills of mussel Mytilus galloprovincialis, after a short-term (7 days) exposure period to each contaminant (at a final concentration of 0.1 mg L(-1)) or in a mixture (ration 1:1, at a final concentration of 0.2 mg L(-1)). A number of observable changes, like lysosomal membrane impairment (as detected via the neutral red retention time assay, primarily performed in haemocytes), enhancement of lipid peroxidation byproducts, increased nuclear abnormalities, inhibition of AChE and ALP activity, as well as a significant depletion of PSH and GSH were detected in gills of exposed mussels, in any case. Significant relationships occurred among TRS parameters with each change/stress indices measured in tissues of mussels, could reinforce the use of PSH as a potent biomarker.
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Affiliation(s)
- Konstantinos Grintzalis
- Department of Biology, Section of Genetics, Cell Biology and Development, University of Patras, Patras, Greece
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44
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Singh R, Hartl MGJ. Fluctuating estuarine conditions are not confounding factors for the Comet assay assessment of DNA damage in the mussel Mytilus edulis. ECOTOXICOLOGY (LONDON, ENGLAND) 2012; 21:1998-2003. [PMID: 22661316 DOI: 10.1007/s10646-012-0934-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 05/19/2012] [Indexed: 06/01/2023]
Abstract
The Comet assay is finding increasing application as a biomarker assay for the genotoxic potential of contaminants in field transplantation experiments involving mussels. Especially in estuaries, habitats that are of particular concern, environmental variables, such as salinity, can vary significantly. Although hinted at in the literature, there is a lack of clarification as to whether changes in salinity or emersion-induced hypoxia have the potential to alter background DNA damage in mussels, thus masking the extent of potential genotoxic effects following exposure to environmental contaminants. The present study exposed Mytilus edulis in the laboratory to static salinities (25, 50, 75, and 100 %) for 72 h. Mussels were also subjected to simulated tidal cycles, including periods of emersion, for 72 h. None of these treatments resulted in a significant change in the level of DNA damage expressed as % tail DNA. These experiments demonstrate that salinity, within the limits of the concentrations tested, and temporary emersion are not confounding factors for Comet assay data derived from M. edulis.
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Affiliation(s)
- Rupika Singh
- Centre for Marine Biodiversity and Biotechnology, School of Life Sciences, Heriot-Watt University, Edinburgh, EH14 4AS, Scotland, UK
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45
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Brooks S, Harman C, Soto M, Cancio I, Glette T, Marigómez I. Integrated coastal monitoring of a gas processing plant using native and caged mussels. THE SCIENCE OF THE TOTAL ENVIRONMENT 2012; 426:375-386. [PMID: 22521105 DOI: 10.1016/j.scitotenv.2012.03.059] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2011] [Revised: 03/15/2012] [Accepted: 03/20/2012] [Indexed: 05/31/2023]
Abstract
The biological effects of a coastal process water (PW) discharge on native and caged mussels (Mytilus edulis) were assessed. Chemical analyses of mussel tissues and semi permeable membrane devices, along with a suite of biomarkers of different levels of biological complexity were measured. These were lysosomal membrane stability in haemocytes and digestive cells; micronuclei formation in haemocytes; changes in cell-type composition in the digestive gland epithelium; integrity of digestive gland tissue; peroxisome proliferation; and oxidative stress. Additionally the Integrative Biological Response (IBR/n) index was calculated. This integrative biomarker approach distinguished mussels, both native and caged, exhibiting different stress conditions not identified from the contaminant exposure. Mussels exhibiting higher stress responses were found with increased proximity to the PW discharge outlet. However, the biological effects reported could not be entirely attributed to the PW discharge based on the chemicals measured, but were likely due to either other chemicals in the discharge that were not measured, the general impact of the processing plant and or other activities in the local vicinity.
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Affiliation(s)
- Steven Brooks
- Norwegian Institute for Water Research (NIVA), Gaustadalléen 21, NO-0349 Oslo, Norway.
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46
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Giannapas M, Karnis L, Dailianis S. Generation of free radicals in haemocytes of mussels after exposure to low molecular weight PAH components: immune activation, oxidative and genotoxic effects. Comp Biochem Physiol C Toxicol Pharmacol 2012; 155:182-9. [PMID: 21851862 DOI: 10.1016/j.cbpc.2011.08.001] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Revised: 07/29/2011] [Accepted: 08/01/2011] [Indexed: 11/19/2022]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) constituents, such as phenanthrene (PH) and anthracene (AN), are considered toxic for marine organisms, including bivalve mollusks. The present study showed that the perturbation of health status in mussels, as well as their inability to survive in air (stress on stress response), following exposure to either PH or AN (at a final concentration of 0.1 mg/L respectively), and a mixture of them (ration 1:1, at a final concentration of 0.2 mg/L) for 7 days, is probably related with alterations occurred in their haemocytes. According to the present study, PH and AN, either alone or in a mixture, could induce elevated levels of superoxide anions ((•)O(2)(-)) within haemocytes of mussels, thus leading to immune susceptibility as indicated by the increased levels of cell death and the elevated levels of lysosomal membrane acid phosphatase (AcP) activity, probably occurred via its overproduction or its release into the cytosol after lysosomal membrane destabilisation. PAH-mediated oxidative and genotoxic effects, indicated by the increased levels of both lipid peroxidation (MDA content) and nuclear abnormalities (MN test) could be related with haemocytes' inability to overcome free radical generation, thus leading to attenuation of general health status, before other disturbances, such as death, occur.
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Affiliation(s)
- Marios Giannapas
- Department of Biology, Section of Animal Biology, University of Patras, Patras 26500, Greece
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47
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Sundt RC, Pampanin DM, Grung M, Baršienė J, Ruus A. PAH body burden and biomarker responses in mussels (Mytilus edulis) exposed to produced water from a North Sea oil field: laboratory and field assessments. MARINE POLLUTION BULLETIN 2011; 62:1498-1505. [PMID: 21558042 DOI: 10.1016/j.marpolbul.2011.04.009] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Revised: 04/05/2011] [Accepted: 04/09/2011] [Indexed: 05/30/2023]
Abstract
In order to study the impact of produced water (PW) from a North Sea oil field on blue mussels (Mytilus edulis), chemical and biological markers were selected. A laboratory exposure (0.125%, 0.25% and 0.5% of PW) and a field study (6 stations 0.2-2 km from a PW discharge point) were conducted. In the laboratory study, PAH bioaccumulation increased in mussel soft tissue even at the lowest exposure dose. Micronuclei frequency demonstrated a dose-response pattern, whereas lysosomal membrane stability showed tendency towards a dose-response pattern. The same markers were assessed in the field study, biomarker analyses were consistent with the contamination level, as evaluated by mussel polycyclic aromatic hydrocarbons body burden. Overall, obtained results confirmed the value of an ecotoxicological approach for a scientifically sound characterisation of biological effects induced by offshore oilfield operational discharges.
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Affiliation(s)
- Rolf C Sundt
- IRIS - International Research Institute of Stavanger, P.O. Box 8046, N-4068 Stavanger, Norway.
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48
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Baussant T, Ortiz-Zarragoitia M, Cajaraville MP, Bechmann RK, Taban IC, Sanni S. Effects of chronic exposure to dispersed oil on selected reproductive processes in adult blue mussels (Mytilus edulis) and the consequences for the early life stages of their larvae. MARINE POLLUTION BULLETIN 2011; 62:1437-1445. [PMID: 21570098 DOI: 10.1016/j.marpolbul.2011.04.029] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/01/2010] [Revised: 04/11/2011] [Accepted: 04/15/2011] [Indexed: 05/30/2023]
Abstract
Mussels (Mytilus edulis) were continuously exposed to dispersed crude oil (0.015-0.25mg/l) for 7 months covering the whole gamete development cycle. After 1 month exposure to 0.25 mg oil/l, the level of alkali-labile phosphates (ALP) and the volume density of atretic oocytes in female gonads were higher than those in the gonads of control females, indicating that oil affected the level of vitellogenin-like proteins and gamete development. Spawning of mussels was induced after 7 months oil exposure. Parental oil exposure did not affect subsequent fertilization success in clean seawater but this was reduced in 0.25 mg oil/l. Parental exposure to 0.25 mg oil/l caused both slow development and a higher percentage of abnormalities in D-shell larvae 2 days post-fertilization; reduced growth 7 days post-fertilization. These effects were greatly enhanced when larval stages were maintained at 0.25 mg oil/l. Similar studies are warranted for risk assessment prognosis.
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Affiliation(s)
- Thierry Baussant
- International Research Institute of Stavanger/IRIS, Mekjarvik 12, 4070 Randaberg, Norway.
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Sureda A, Box A, Tejada S, Blanco A, Caixach J, Deudero S. Biochemical responses of Mytilus galloprovincialis as biomarkers of acute environmental pollution caused by the Don Pedro oil spill (Eivissa Island, Spain). AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2011; 101:540-549. [PMID: 21276480 DOI: 10.1016/j.aquatox.2010.12.011] [Citation(s) in RCA: 97] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2010] [Revised: 12/12/2010] [Accepted: 12/21/2010] [Indexed: 05/30/2023]
Abstract
In the present work, the potential use of several antioxidant and detoxification biomarkers in the digestive gland of wild mussels (Mytilus galloprovincialis) for biomonitoring the marine pollution induced by the Don Pedro oil spill has been investigated. Two locations from the East to South-East of Eivissa (Ibiza) and Formentera islands were selected, one extensively affected by the oil spill and the other one not affected and considered as the control area. Mussels were sampled one, two and six months after the Don Pedro accident. Polycyclic aromatic hydrocarbon (PAH) levels were significantly increased in the soft tissues of mussels in the affected area one month after the disaster, returning to normal values after six months. Markers of oxidative damage in lipids--malondialdehyde, and in proteins--carbonyl derivates, and antioxidant enzyme--catalase, superoxide dismutase and glutathione peroxidase, activities significantly increased as result of the spill oil after one month, returning to basal values at two month sampling time. Glutathione/glutathione disulfide ratio (GSH/GSSG), as a marker of the redox status, was reduced after one and two months indicating a more oxidized situation. Markers of detoxification--glutathione-S-transferase and cytochrome P4501A activities and metallothionein gene expression--were significantly increased by the oil spill one month after the accident, returning to the basal values at two month sampling time. In conclusion, the Don Pedro accident induced a transient situation of PAHs pollution resulting in enhanced antioxidant and detoxification defense systems in the wild mussel M. galloprovincialis returning to normal levels six months from the spill. The selected biomarkers are a useful tool for biomonitoring the response to acute exposure to pollutants in marine mussels.
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Affiliation(s)
- Antoni Sureda
- Departament de Biologia Fonamental i Ciències de la Salut, Universitat de les Illes Balears, Ctra. Valldemossa km 7.5, Palma de Mallorca, Balearic Islands, Spain
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Bechmann RK, Larsen BK, Taban IC, Hellgren LI, Møller P, Sanni S. Chronic exposure of adults and embryos of Pandalus borealis to oil causes PAH accumulation, initiation of biomarker responses and an increase in larval mortality. MARINE POLLUTION BULLETIN 2010; 60:2087-2098. [PMID: 20800854 DOI: 10.1016/j.marpolbul.2010.07.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2009] [Revised: 07/12/2010] [Accepted: 07/16/2010] [Indexed: 05/29/2023]
Abstract
Adult shrimps (Pandalus borealis) and their embryos were exposed to an oil-water dispersion (OWD) at concentrations of 0.015, 0.06 and 0.25 mg/L using a continuous flow system. Lysosomal membrane stability was analysed in haemocytes using the neutral red retention assay and an alkaline unwinding assay was used to measure DNA damage in hepatopancreas tissue. Exposure to oil induced concentration and time dependent biomarker responses in adult shrimps together with the accumulation of PAH in their tissues. Oil exposure of shrimp embryos caused increased mortality in the resultant larvae, even if the larvae were kept in clean water after hatching. There were minor differences observed in larval stage development times in the first part of the experiments. The fatty acid composition of embryos exposed to oil was different to that of non-exposed larvae. PAH tissue concentration and biomarker responses correlated to the reduced survival of the shrimp larvae.
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Affiliation(s)
- Renée Katrin Bechmann
- International Research Institute of Stavanger/IRIS-Biomiljø, Mekjarvik 12, 4070 Randaberg, Norway.
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