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Leusch FDL, Allen H, De Silva NAL, Hodson R, Johnson M, Neale PA, Stewart M, Tremblay LA, Wilde T, Northcott GL. Effect-based monitoring of two rivers under urban and agricultural influence reveals a range of biological activities in sediment and water extracts. J Environ Manage 2024; 351:119692. [PMID: 38039589 DOI: 10.1016/j.jenvman.2023.119692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 11/19/2023] [Accepted: 11/21/2023] [Indexed: 12/03/2023]
Abstract
Chemical contaminants, such as pesticides, pharmaceuticals and industrial compounds are ubiquitous in surface water and sediment in areas subject to human activity. While targeted chemical analysis is typically used for water and sediment quality monitoring, there is growing interest in applying effect-based methods with in vitro bioassays to capture the effects of all active contaminants in a sample. The current study evaluated the biological effects in surface water and sediment from two contrasting catchments in Aotearoa New Zealand, the highly urbanised Whau River catchment in Tāmaki Makaurau (Auckland) and the urban and mixed agricultural Koreti (New River) Estuary catchment. Two complementary passive sampling devices, Chemcatcher for polar chemicals and polyethylene (PED) for non-polar chemicals, were applied to capture a wide range of contaminants in water, while composite sediment samples were collected at each sampling site. Bioassays indicative of induction of xenobiotic metabolism, receptor-mediated effects, genotoxicity, cytotoxicity and apical effects were applied to the water and sediment extracts. Most sediment extracts induced moderate to strong estrogenic and aryl hydrocarbon (AhR) activity, along with moderate toxicity to bacteria. The water extracts showed similar patterns to the sediment extracts, but with lower activity. Generally, the polar Chemcatcher extracts showed greater estrogenic activity, photosynthesis inhibition and algal growth inhibition than the non-polar PED extracts, though the PED extracts showed greater AhR activity. The observed effects in the water extracts were compared to available ecological effect-based trigger values (EBT) to evaluate the potential risk. For the polar extracts, most sites in both catchments exceeded the EBT for estrogenicity, with many sites exceeding the EBTs for AhR activity and photosynthesis inhibition. Of the wide range of endpoints considered, estrogenic activity, AhR activity and herbicidal activity appear to be the primary risk drivers in both the Whau and Koreti Estuary catchments.
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Affiliation(s)
- Frederic D L Leusch
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Queensland, 4222, Australia.
| | - Hamish Allen
- Research and Evaluation Unit, Auckland Council, Auckland, 1010, New Zealand
| | | | - Roger Hodson
- Environment Southland Regional Council, Invercargill, 9810, New Zealand; Riverscape Enhancement Consulting, Invercargill, 9840, New Zealand
| | - Matthew Johnson
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Queensland, 4222, Australia
| | - Peta A Neale
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Queensland, 4222, Australia
| | | | - Louis A Tremblay
- Cawthron Institute, Nelson, 7010, New Zealand; School of Biological Sciences, University of Auckland, Auckland, 1142, New Zealand
| | - Taylor Wilde
- Australian Rivers Institute, School of Environment and Science, Griffith University, Gold Coast, Queensland, 4222, Australia
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Majumdar J, Biswas JK, Santra SC, Ramanathan AL, Tack FMG. Sedimentation of metals in Sundarban mangrove ecosystem: Dominant drivers and environmental risks. Environ Geochem Health 2023; 45:1555-1572. [PMID: 35532837 DOI: 10.1007/s10653-022-01277-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2021] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Metal contamination from upstream river water is a threat to coastal and estuarine ecosystem. The present study was undertaken to unveil sedimentation processes and patterns of heavy metal deposition along the salinity gradient of a tropical estuary and its mangrove ecosystem. Sediment columns from three representative sites of differential salinity, anthropogenic interference, and sediment deposition pattern were sampled and analyzed for grain size distribution and metal concentrations as a function of depth. Sediments were dominantly of silty-medium sand texture. A suite of fluvial and alluvial processes, and marine depositional forcing control the sediment deposition and associated heavy metal loading in this estuary. The depth profile revealed a gradual increase in heavy metal accumulation in recent top layer sediments and smaller fractions (silt + clay), irrespective of tidal regimes. Alluvial processes and long tidal retention favor accumulation of heavy metals. Enrichment factor (0.52-15), geo-accumulation index (1.4-5.8), and average pollution load index (PLI = 2.0) indicated moderate to higher heavy metal contamination status of this estuary. This study showed that alluvial processes acted as dominant drivers for the accumulation of metals in sediments, which prevailed over the influence of marine processes. Longer tidal retention of the water column favored more accumulation of heavy metals. Metal accumulation in the sediments entails a potential risk of bioaccumulation and biomagnification through the food web, and may increasingly impact estuarine ecology, economy, and ultimately human health.
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Affiliation(s)
- Jayjit Majumdar
- Department of Ecological Studies, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India.
| | - Jayanta Kumar Biswas
- Department of Ecological Studies, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India.
- International Centre for Ecological Engineering, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India.
| | - Subhas Chandra Santra
- Department of Environmental Science, University of Kalyani, Kalyani, Nadia, West Bengal, 741235, India
| | - A L Ramanathan
- School of Environmental Sciences, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Filip M G Tack
- Department of Green Chemistry and Technology, Ghent University, Ghent, Belgium
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Garcia-Velasco N, Carrero JA, Urionabarrenetxea E, Doni L, Zaldibar B, Izagirre U, Soto M. Innovative in vivo and in vitro bioassays for the establishment of toxicity thresholds of pollutants in sediment quality assessment using polychaetes and their immune cells. Chemosphere 2023; 311:136935. [PMID: 36309051 DOI: 10.1016/j.chemosphere.2022.136935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 10/07/2022] [Accepted: 10/16/2022] [Indexed: 06/16/2023]
Abstract
Sediment toxicity testing has become a crucial component for assessing the risks posed by contaminated sediments and for the development of sediment quality assessment strategies. Commonly used organisms for bioassays with estuarine sediments include amphipods, Arenicola marina polychaetes and echinoids. Among the latter, the Sea Urchin Embryo test (SET) is the most widely used. However, one relevant limitation of this bioassay is the unavailability of gametes all year-round, particularly outside the natural spawning seasons. Consequently, the establishment of an appropriate and complementary model organism for a continuous assessment of sediment quality is recommended. A reliable assessment of the hazards resulting from pollutants in sediments or pore water, can be achieved with ecologically relevant species of sediment such as the polychaete Hediste diversicolor, which is widespread in estuaries and has the capacity to accumulate pollutants. The aim of this work was to develop reliable in vivo and in vitro bioassays with H. diversicolor and its coelomocytes (immune cells) to determine the toxicity thresholds of different contaminants bounded to sediments or resuspended into water. Polychaetes were exposed to sublethal concentrations of CuCl2 (in vivo) and a non-invasive method for collection of polychaetes coelomocytes was applied for the in vitro bioassay, exposing cells to a series of CuCl2 and AgNPs concentrations. Same reference toxicants were used to expose Paracentrotus lividus following the SET (ICES Nº 51; Beiras et al., 2012) and obtained toxicity thresholds were compared between the two species. In vivo exposure of polychaetes to high concentrations of Cu produced weight loss and histopathological alterations. After in vitro approaches, a significant decrease in coelomocytes viability was recorded for both toxicants, in a monotonic dose-response curve, at very short-exposure times (2 h). The toxicity thresholds obtained with polychaetes were in line with the ones obtained with the SET, concluding that their sensitivity is similar. In conclusion, in vivo and in vitro bioassays developed with H. diversicolor are accurate toxicity screenings of pollutants that could be bounded to sediments or dissolved in the pore water, and may complement the SET outside the spawning period of the echinoderms. The bioassays herein developed could be applied not only to establish the toxicity thresholds of individual compounds or mixtures, but also to assess the toxicity of field collected sediments.
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Affiliation(s)
- N Garcia-Velasco
- Cell Biology in Environmental Toxicology (CBET) Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Sarriena Auzoa Z/g, 48940, Leioa, Basque Country, Spain; Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain.
| | - J A Carrero
- Dept. of Applied Chemistry, Faculty of Chemistry, University of the Basque Country (UPV/EHU), Manuel de Lardizabal Pasealekua 3, 20018 Donostia, Basque Country, Spain
| | - E Urionabarrenetxea
- Cell Biology in Environmental Toxicology (CBET) Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Sarriena Auzoa Z/g, 48940, Leioa, Basque Country, Spain; Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - L Doni
- Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - B Zaldibar
- Cell Biology in Environmental Toxicology (CBET) Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Sarriena Auzoa Z/g, 48940, Leioa, Basque Country, Spain; Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - U Izagirre
- Cell Biology in Environmental Toxicology (CBET) Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Sarriena Auzoa Z/g, 48940, Leioa, Basque Country, Spain; Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
| | - M Soto
- Cell Biology in Environmental Toxicology (CBET) Research Group, Dept. Zoology and Animal Cell Biology, Faculty of Science and Technology, University of the Basque Country (UPV/EHU), Basque Country, Sarriena Auzoa Z/g, 48940, Leioa, Basque Country, Spain; Research Centre for Experimental Marine Biology and Biotechnology PIE-UPV/EHU, University of the Basque Country (UPV/EHU), Areatza Pasealekua, 48620, Plentzia, Basque Country, Spain
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Yaashikaa PR, Devi MK, Kumar PS. Engineering microbes for enhancing the degradation of environmental pollutants: A detailed review on synthetic biology. Environ Res 2022; 214:113868. [PMID: 35835162 DOI: 10.1016/j.envres.2022.113868] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 05/28/2022] [Accepted: 07/06/2022] [Indexed: 06/15/2023]
Abstract
Anthropogenic activities resulted in the deposition of huge quantities of contaminants such as heavy metals, dyes, hydrocarbons, etc into an ecosystem. The serious ill effects caused by these pollutants to all living organisms forced in advancement of technology for degrading or removing these pollutants. This degrading activity is mostly depending on microorganisms owing to their ability to survive in harsh adverse conditions. Though native strains possess the capability to degrade these pollutants the development of genetic engineering and molecular biology resulted in engineering approaches that enhanced the efficiency of microbes in degrading pollutants at faster rate. Many bioinformatics tools have been developed for altering/modifying genetic content in microbes to increase their degrading potency. This review provides a detailed note on engineered microbes - their significant importance in degrading environmental contaminants and the approaches utilized for modifying microbes. The genes responsible for degrading the pollutants have been identified and modified fir increasing the potential for quick degradation. The methods for increasing the tolerance in engineered microbes have also been discussed. Thus engineered microbes prove to be effective alternate compared to native strains for degrading pollutants.
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Affiliation(s)
- P R Yaashikaa
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - M Keerthana Devi
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
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5
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Mohanavelu A, Shrivastava S, Naganna SR. Streambed pollution: A comprehensive review of its sources, eco-hydro-geo-chemical impacts, assessment, and mitigation strategies. Chemosphere 2022; 300:134589. [PMID: 35421447 DOI: 10.1016/j.chemosphere.2022.134589] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2021] [Revised: 04/04/2022] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Streambeds are an integral part of the river ecosystem. They provide habitat to a vast array of aquatic and benthic organisms as well as facilitate the bio-degradation and transformation of organic matter and vital nutrients. Increasing anthropogenic influence introduces multiple stressors to the stream networks resulting in pollution of streambeds, which in turn, have detrimental effects on the overall stream ecosystem health. There is a huge gap in the current understanding of streambed pollution and its impacts, and the widely practiced streambed pollution mitigation strategies lack a holistic approach. In this comprehensive review, we first synthesize the state-of-the-art knowledge of conventional and emerging forms of contaminants, their overall impacts on stream ecosystem functions, and present future directions to comprehend the problem of streambed pollution. We highlight that fine sediments and plastics (found especially in urban streambeds) are among the major physical pollutants causing streambed pollution and the chemical pollutants generally comprise hydrophobic compounds including various legacy contaminants such as polychlorinated biphenyl (PCB), dichlorodiphenyltrichloroethane (DDT), a wide range of pesticides and a variety of heavy metals. Moreover, in recent years, highly polar and hydrophilic emerging contaminants such as micro-plastics, pharmaceutical waste and personal care products have been identified in riverbeds and streambeds across the world. We stress that the impacts of streambed pollution have been largely studied with discipline-driven perspectives amongst which the ecological impacts have received a lot of attention in the past. To present a comprehensive outlook, this review also synthesizes and discusses most of the understudied hydrological, geomorphological and biochemical impacts of different forms of streambed pollution. Subsequently, we also present a global inventory by compiling information from the published literature to highlight the status of streambed pollution around the globe. In the end, we endorse the positive and negative aspects of the current impact assessment methodologies and also highlight various physical, chemical and biological remediation measures that could be undertaken to alleviate streambed pollution.
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Affiliation(s)
- Aadhityaa Mohanavelu
- Department of Water Science and Engineering, UNESCO-IHE, Westvest 7, 2611, AX, Delft, the Netherlands.
| | - Shivansh Shrivastava
- Environmental Hydrology and Water Resources Group, Department of Infrastructure Engineering, The University of Melbourne, Parkville, VIC, 3010, Australia
| | - Sujay Raghavendra Naganna
- Department of Civil Engineering, Siddaganga Institute of Technology, Tumakuru, 572 103, Karnataka, India
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Saiki P, Mello-Andrade F, Gomes T, Rocha TL. Sediment toxicity assessment using zebrafish (Danio rerio) as a model system: Historical review, research gaps and trends. Sci Total Environ 2021; 793:148633. [PMID: 34182436 DOI: 10.1016/j.scitotenv.2021.148633] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/19/2021] [Accepted: 06/19/2021] [Indexed: 06/13/2023]
Abstract
Sediment is an important compartment in aquatic environments and acts as a sink for environmental pollutants. Sediment toxicity tests have been suggested as critical components in environmental risk assessment. Since the zebrafish (Danio rerio) has been indicated as an emerging model system in ecotoxicological tests, a scientometric and systematic review was performed to evaluate the use of zebrafish as an experimental model system in sediment toxicity assessment. A total of 97 papers were systematically analyzed and summarized. The historical and geographical distributions were evaluated and the data concerning the experimental design, type of sediment toxicity tests and approach (predictive or retrospective), pollutants and stressors, zebrafish developmental stages and biomarkers responses were summarized and discussed. The use of zebrafish to assess the sediment toxicity started in 1996, using mainly a retrospective approach. After this, research showed an increasing trend, especially after 2014-2015. Zebrafish exposed to pollutant-bound sediments showed bioaccumulation and several toxic effects, such as molecular, biochemical, morphological, physiological and behavioral changes. Zebrafish is a suitable model system to assess the toxicity of freshwater, estuarine and marine sediments, and sediment spiked in the laboratory. The pollutant-bound sediment toxicity in zebrafish seems to be overall dependent on physical and chemical properties of pollutants, experimental design, environmental factor, developmental stages and presence of organic natural matter. Overall, results showed that the zebrafish embryos and larvae are suitable model systems to assess the sediment-associated pollutant toxicity.
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Affiliation(s)
- Patrícia Saiki
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil; Federal Institute of Education, Science and Technology of Goiás (IFG), Câmpus Goiânia, Goiás, Brazil
| | - Francyelli Mello-Andrade
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil; Federal Institute of Education, Science and Technology of Goiás (IFG), Câmpus Goiânia, Goiás, Brazil
| | - Tânia Gomes
- Norwegian Institute for Water Research (NIVA), Section of Ecotoxicology and Risk Assessment, Gaustadalléen 21, N-0349 Oslo, Norway
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiânia, Goiás, Brazil.
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Canedo A, Rocha TL. Zebrafish (Danio rerio) using as model for genotoxicity and DNA repair assessments: Historical review, current status and trends. Sci Total Environ 2021; 762:144084. [PMID: 33383303 DOI: 10.1016/j.scitotenv.2020.144084] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/18/2020] [Accepted: 11/21/2020] [Indexed: 06/12/2023]
Abstract
Genotoxic pollutants lead to both DNA damage and changes in cell repair mechanisms. Selecting suitable biomonitors is a fundamental step in genotoxicity studies. Thus, zebrafish have become a popular model used to assess the genotoxicity of different pollutants in recent years. They have orthologous genes with humans and hold almost all genes involved in different repair pathways. Therefore, the aim of the current study is to summarize the existing literature on zebrafish using as model system to assess the genotoxicity of different pollutants. Revised data have shown that comet assay is the main technique adopted in these studies. However, it is necessary standardizing the technique applied to zebrafish in order to enable better result interpretation and comparisons. Overall, pollutants lead to single-strand breaks (SSB), double-strand breaks (DSB), adduct formation, as well as to changes in the expression of genes involved in repair mechanisms. Although analyzing repair mechanisms is essential to better understand the genotoxic effects caused by pollutants, few studies have analyzed repair capacity. The current review reinforces the need of conducting further studies on the role played by repair pathways in zebrafish subjected to DNA damage. Revised data have shown that zebrafish are a suitable model to assess pollutant-induced genotoxicity.
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Affiliation(s)
- Aryelle Canedo
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiania, Goiás, Brazil
| | - Thiago Lopes Rocha
- Laboratory of Environmental Biotechnology and Ecotoxicology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Goiania, Goiás, Brazil..
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Abstract
Addressing the shift from classical animal testing to high-throughput in vitro and/or simplified in vivo proxy models has been defined as one of the upcoming challenges in aquatic toxicology. In this regard, the fish embryo toxicity test (FET) has gained significant popularity and wide standardization as one of the sensitive alternative approaches to acute fish toxicity tests in chemical risk assessment and water quality evaluation. Nevertheless, despite the growing regulatory acceptance, the actual manipulation, dispensing, and analysis of living fish embryos remains very labor intensive. Moreover, the FET is commonly performed in plastic multiwell plates under static or semistatic conditions, potentially inadequate for toxicity assessment of some organic, easily degradable or highly adsorptive toxicants. Recent technological advances in the field of mechatronics, fluidics and digital vision systems demonstrate promising future opportunities for automation of many analytical stages in embryo toxicity testing. In this review, we highlight emerging advances in fluidic and laboratory automation systems that can prospectively enable high-throughput FET testing (HT-FET) akin to pipelines commonly found in in vitro drug discovery pipelines. We also outline the existing challenges, barriers to future development and provide an outlook of ground-breaking fluidic technologies in embryo toxicity testing.
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Affiliation(s)
- Donald Wlodkowic
- School of Science, RMIT University, Melbourne, Victoria 3083, Australia
| | - Olivia Campana
- University of Cadiz, INMAR, Puerto Real, Cadiz 11512, Spain
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Harraka GT, Magnuson JT, Du B, Wong CS, Maruya K, Schlenk D. Evaluating the estrogenicity of an effluent-dominated river in California, USA: Comparisons of in vitro and in vivo bioassays. Sci Total Environ 2021; 758:143965. [PMID: 33321365 DOI: 10.1016/j.scitotenv.2020.143965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/13/2020] [Accepted: 11/14/2020] [Indexed: 06/12/2023]
Abstract
Estrogenically active compounds (EACs) in surface waters can disrupt the endocrine system of biota, raising concern for aquatic species. Concentrations of EACs are generally higher in effluent-dominated aquatic systems, such as California's Santa Ana River (SAR). Addressing estrogenicity of effluent-dominated waters is increasingly important due to both increasing urbanization and climate change. To this end, water samples were collected from multiple sites downstream of wastewater treatment plants (WWTPs) and intermittent points along the SAR during 2018-2019 and cell-based bioassays were used to determine estrogen receptor activity. During baseflow conditions, the highest estradiol equivalencies (EEQs) from all SAR water between summer (August and September) and fall (November) sampling events in 2018 were from Yorba Linda (EEQ = 1.36 ± 0.38 ng/L) and Prado (1.14 ± 0.13 ng/L), respectively. Water extracts in January 2019 following a major rainfall generally had higher EEQs with the highest EEQ of 10.0 ± 0.69 ng/L observed at Yorba Linda. During low flow conditions in November 2018, male Japanese medaka (Oryzias latipes) fish were exposed to SAR water to compare to cell bioassay responses and targeted analytical chemistry for 5 steroidal estrogens. Chemical-based EEQ correlations with in vitro EEQs were statistically significant. However, vitellogenin (vtg) mRNA expression in the livers of medaka exposed to SAR water was not significantly different compared to controls. These results indicate that seasonal variation and surface water runoff events influence estrogenic activity in the SAR and may induce estrogenic effects to native fish populations in wastewater-dominated streams in general.
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Affiliation(s)
- Gary T Harraka
- Department of Environmental Sciences, University of California Riverside, Riverside, CA, USA
| | - Jason T Magnuson
- Department of Environmental Sciences, University of California Riverside, Riverside, CA, USA.
| | - Bowen Du
- Southern California Coastal Water Research Project Authority, Costa Mesa, CA, USA
| | - Charles S Wong
- Southern California Coastal Water Research Project Authority, Costa Mesa, CA, USA
| | - Keith Maruya
- Southern California Coastal Water Research Project Authority, Costa Mesa, CA, USA
| | - Daniel Schlenk
- Department of Environmental Sciences, University of California Riverside, Riverside, CA, USA; Institute of Environmental Health, College of Environmental and Resource Sciences, Zhejiang University, Hangzhou 310058, China
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Angosto JM, Roca MJ, Fernández-lópez JA. Removal of Diclofenac in Wastewater Using Biosorption and Advanced Oxidation Techniques: Comparative Results. Water 2020; 12:3567. [DOI: 10.3390/w12123567] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Wastewater treatment is a topic of primary interest with regard to the environment. Diclofenac is a common analgesic drug often detected in wastewater and surface water. In this paper, three commonly available agrifood waste types (artichoke agrowaste, olive-mill residues, and citrus waste) were reused as sorbents of diclofenac present in aqueous effluents. Citrus-waste biomass for a dose of 2 g·L−1 allowed for removing 99.7% of diclofenac present in the initial sample, with a sorption capacity of 9 mg of adsorbed diclofenac for each gram of used biomass. The respective values obtained for olive-mill residues and artichoke agrowaste were around 4.15 mg·g−1. Advanced oxidation processes with UV/H2O2 and UV/HOCl were shown to be effective treatments for the elimination of diclofenac. A significant reduction in chemical oxygen demand (COD; 40–48%) was also achieved with these oxidation treatments. Despite the lesser effectiveness of the sorption process, it should be considered that the reuse and valorization of these lignocellulosic agrifood residues would facilitate the fostering of a circular economy.
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Muz M, Escher BI, Jahnke A. Bioavailable Environmental Pollutant Patterns in Sediments from Passive Equilibrium Sampling. Environ Sci Technol 2020; 54:15861-15871. [PMID: 33213151 DOI: 10.1021/acs.est.0c05537] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Sediment-associated risks depend on the bioavailable fraction of organic chemicals and cannot be comprehended by their total concentrations. The present study investigated contamination patterns of bioavailable chemicals in sediments from various sites around the globe by using passive equilibrium sampling. The extracts had been characterized previously for mixture effects by in vitro reporter gene assays and were in this study analyzed using gas chromatography-high resolution mass spectrometry for 121 chemicals including both legacy and emerging contaminants. The spatial distribution of the detected chemicals revealed distinct contamination patterns among sampling sites. We identified compounds in common at the different sites but most contaminant mixtures were site-specific. The mixture effects of the detected chemicals were predicted with a mixture toxicity model from effect concentrations of bioactive single chemicals and detected concentrations, applying a joint model for concentration addition and independent action. The predicted mixture effects were dominated by polycyclic aromatic hydrocarbons, and among the chemicals with available effect data, 17% elicited oxidative stress response and 18% activated the arylhydrocarbon receptor. Except for two sites in Sweden, where 11 and 38% of the observed oxidative stress response were explained by the detected chemicals, less than 10% of effects in both biological end points were explained. These results provide a comprehensive investigation of bioavailable contamination patterns of sediments and may serve as an example of employing passive equilibrium sampling as a monitoring technique to integrate the risk of bioavailable sediment-associated chemicals in aquatic environments.
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Affiliation(s)
- Melis Muz
- Department of Cell Toxicology, UFZ Helmholtz Centre for Environmental Research, Permoserstr. 15, 04318 Leipzig, Germany
- Department of Effect Directed Analysis, UFZ Helmholtz Centre for Environmental Research, Permoserstr. 15, 04318 Leipzig, Germany
| | - Beate I Escher
- Department of Cell Toxicology, UFZ Helmholtz Centre for Environmental Research, Permoserstr. 15, 04318 Leipzig, Germany
- Environmental Toxicology, Center for Applied Geoscience, Eberhard Karls University Tübingen, Schnarrenbergstr. 94-96, 72076 Tübingen, Germany
| | - Annika Jahnke
- Department of Cell Toxicology, UFZ Helmholtz Centre for Environmental Research, Permoserstr. 15, 04318 Leipzig, Germany
- Department of Ecological Chemistry, UFZ Helmholtz Centre for Environmental Research, Permoserstr. 15, 04318 Leipzig, Germany
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Niu L, Carmona E, König M, Krauss M, Muz M, Xu C, Zou D, Escher BI. Mixture Risk Drivers in Freshwater Sediments and Their Bioavailability Determined Using Passive Equilibrium Sampling. Environ Sci Technol 2020; 54:13197-13206. [PMID: 32960593 DOI: 10.1021/acs.est.0c05124] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
The identification of mixture risk drivers is a great challenge for sediment assessment, especially when taking bioavailability into consideration. The bioavailable portion, which comprises the organic contaminants in pore water and the ones bound to organic carbon, was accessed by equilibrium partitioning to polydimethylsiloxane (PDMS). The exhaustive solvent and PDMS extracts were toxicologically characterized with a battery of in vitro reporter gene assays and chemically analyzed with liquid and gas chromatography coupled to high-resolution mass spectrometry. The bioavailable fractions of mixture effects and individual chemicals were mostly lower than 0.1, indicating that more than 90% of the substances are strongly bound and would not pose an immediate risk but could potentially be remobilized in the long term. Despite 655 organic chemicals analyzed, only 0.1-28% of the observed biological effects was explained by the detected compounds in whole sediments, while 0.009-3.3% was explained by bioavailable chemicals. The mixture effects were not only dominated by legacy pollutants (e.g., polycyclic aromatic hydrocarbons (PAHs) in the bioassay for activation of the aryl-hydrocarbon receptor (AhR) and oxidative stress response (AREc32)) but also by present-use chemicals (e.g., plastic additives for binding to the peroxisome proliferator-activated receptor γ (PPARγ)), with different fingerprints between whole sediments and bioavailable extracts. Our results highlight the necessity to involve different bioassays with diverse effect profiles and broader selection of contaminants along with bioavailability for the risk assessment of chemical mixtures in sediments.
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Affiliation(s)
- Lili Niu
- Department of Cell Toxicology, UFZ - Helmholtz Centre for Environmental Research, Leipzig 04318, Germany
| | - Eric Carmona
- Department of Effect Directed Analysis, UFZ - Helmholtz Centre for Environmental Research, Leipzig 04318, Germany
| | - Maria König
- Department of Cell Toxicology, UFZ - Helmholtz Centre for Environmental Research, Leipzig 04318, Germany
| | - Martin Krauss
- Department of Effect Directed Analysis, UFZ - Helmholtz Centre for Environmental Research, Leipzig 04318, Germany
| | - Melis Muz
- Department of Effect Directed Analysis, UFZ - Helmholtz Centre for Environmental Research, Leipzig 04318, Germany
| | - Chao Xu
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Deliang Zou
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Beate I Escher
- Department of Cell Toxicology, UFZ - Helmholtz Centre for Environmental Research, Leipzig 04318, Germany
- Center for Applied Geoscience, Eberhard Karls University of Tübingen, Schnarrenbergstr. 94-96, Tübingen 72076, Germany
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13
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Caballero-Gallardo K, Alcala-Orozco M, Barraza-Quiroz D, De la Rosa J, Olivero-Verbel J. Environmental risks associated with trace elements in sediments from Cartagena Bay, an industrialized site at the Caribbean. Chemosphere 2020; 242:125173. [PMID: 31698215 DOI: 10.1016/j.chemosphere.2019.125173] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 10/18/2019] [Accepted: 10/20/2019] [Indexed: 05/21/2023]
Abstract
Cartagena Bay (CB) is an industrialized site in the Caribbean. The aim of this study was to evaluate contamination patterns by trace elements in sediments from CB. Sediment samples from twelve sites in CB, and three at the Grand Marsh of Santa Marta (GMSM), a reference site, were collected during dry and rainy seasons. Forty-four trace elements were evaluated employing ICP-MS, and mercury (Hg) was measured using a Hg analyzer. Most contaminated sites corresponded to stations related to repair and maintenance of ships, with high concentrations of Cr, Cu, As and Cd; as well as in areas where cargo transshipment centers and cruise ship terminals operate, which showed elevated levels of Ba. Stations receiving inputs from petrochemical and fertilizer plants displayed high content of Pb. At the station where an extinct chlor-alkali plant was located, a high total Hg level was found, highlighting its persistence. At least 70% of the samples presented Cr, Cu, and As concentrations that were ≥ Threshold Effect Level, < Probable Effect Level, ≥ Effects Range Low and < Effects Range Medium, suggesting adverse biological effects could occur occasionally. Potential Ecological risk values revealed that only Hg and Cd may generate deleterious effects to the aquatic life. However, with few exceptions, sediment samples from CB can be considered as moderately to heavily contaminated, as shown by the Igeo. In short, the principles of ecosystem-based management should be implemented along Cartagena Bay to guarantee safe levels of trace elements in sediments and a better quality of this estuary.
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Affiliation(s)
- Karina Caballero-Gallardo
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia
| | - Maria Alcala-Orozco
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia
| | - Diana Barraza-Quiroz
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia
| | - Jesus De la Rosa
- Associate Unit CSIC - University of Huelva ''Atmospheric Pollution'', Center for Research in Sustainable Chemistry (CIQSO), University of Huelva, E21071, Huelva, Spain
| | - Jesus Olivero-Verbel
- Environmental and Computational Chemistry Group, School of Pharmaceutical Sciences, Zaragocilla Campus, University of Cartagena, Cartagena, 130015, Colombia.
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14
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Severo ES, Marins AT, Cerezer C, Costa D, Nunes M, Prestes OD, Zanella R, Loro VL. Ecological risk of pesticide contamination in a Brazilian river located near a rural area: A study of biomarkers using zebrafish embryos. Ecotoxicol Environ Saf 2020; 190:110071. [PMID: 31841896 DOI: 10.1016/j.ecoenv.2019.110071] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2019] [Revised: 12/06/2019] [Accepted: 12/07/2019] [Indexed: 05/22/2023]
Abstract
Aquatic environments are affected by the use of pesticides in agricultural areas near rivers. To assess the impact of pesticide residues on affected environments Danio rerio (zebrafish) embryos have become an alternative model for biomonitoring studies. In the present study, zebrafish embryos were used as bioindicator of water quality in the Vacacaí river, located in the city of Santa Maria, southern Brazil. We hypothesized that it would be possible to observe changes in the biomarkers tested in the embryos. Exposures were performed over a total of eight months during the year 2018 using water collected in a river located near agricultural areas. Twenty-four pesticides were found in river water samples. The most frequently found were atrazine, quinclorac and clomazone. During exposure (96 h) spontaneous movement, the heart rate and hatching rate were evaluated. After the exposure time the embryos were euthanized for biochemical assays. We analyzed biomarkers such as thiobarbituric acid reactive substance (TBARS), acetylcholinesterase (AChE), glutathione S-transferase (GST) and catalase (CAT). We observed increases in GST and TBARS, especially during periods of major water contamination such as January, February, October, and November. Pesticides can affect the development of native species that reproduce during periods of high agricultural production. These results demonstrate the potential use of biochemical parameters combined with developmental and behavioral analyses in zebrafish embryos for biomonitoring studies.
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Affiliation(s)
- Eduardo Stringini Severo
- Programa de Pós-Graduação em Biodiversidade Animal, Brazil; Laboratório de Toxicologia Aquática, LABTAQ, Brazil
| | - Aline Teixeira Marins
- Programa de Pós-Graduação em Biodiversidade Animal, Brazil; Laboratório de Toxicologia Aquática, LABTAQ, Brazil
| | - Cristina Cerezer
- Programa de Pós-Graduação em Biodiversidade Animal, Brazil; Laboratório de Toxicologia Aquática, LABTAQ, Brazil
| | - Dennis Costa
- Programa de Pós-graduação em Ciências Fisiológicas - (FURG), Rio Grande, RS, Brazil
| | - Mauro Nunes
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Brazil
| | - Osmar Damian Prestes
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, CEP: 97105-900, Brazil
| | - Renato Zanella
- Laboratório de Análises de Resíduos de Pesticidas (LARP), Universidade Federal de Santa Maria (UFSM), Santa Maria, RS, CEP: 97105-900, Brazil
| | - Vania Lucia Loro
- Programa de Pós-Graduação em Biodiversidade Animal, Brazil; Programa de Pós-Graduação em Ciências Biológicas: Bioquímica Toxicológica, Brazil; Laboratório de Toxicologia Aquática, LABTAQ, Brazil.
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15
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Charry MP, Keesing V, Gaw S, Costello MJ, Champeau O, Tremblay LA. Assessing the Efficacy of a Sediment Remediation Program Using Benthic and Pelagic Copepod Bioassays. Environ Toxicol Chem 2020; 39:492-499. [PMID: 31692086 DOI: 10.1002/etc.4632] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Revised: 04/16/2019] [Accepted: 10/29/2019] [Indexed: 06/10/2023]
Abstract
Tributyltin is an organotin chemical that has been commonly used in ship antifouling paints. Despite the global total prohibition of tributyltin-based paint in 2008, tributyltin continues to be found at toxic levels in areas of high maritime traffic such as ports and harbors. A remediation program was conducted at a New Zealand port to reduce tributyltin and copper concentrations to acceptable values. The present study assessed the efficacy of the program using a combination of chemical analyses and copepod bioassays. Sediment and water samples were collected at 3 locations along a spatial gradient within the port, and concentrations of various organotin compounds and trace metal levels were measured pre- and postremediation. The toxicity of sediment and elutriate samples was estimated by benthic and pelagic copepod bioassays. Although acute toxicity in sediment samples was reduced following remediation, reproductive success was still affected for the benthic copepod. This approach combining chemical analysis and bioassays is promising for assessing the efficacy of remediation processes at contaminated marine sites. Environ Toxicol Chem 2020;39:492-499. © 2019 SETAC.
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Affiliation(s)
- Maria P Charry
- Cawthron Institute, Nelson, New Zealand
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
| | | | - Sally Gaw
- School of Physical and Chemical Sciences, University of Canterbury, Christchurch, New Zealand
| | - Mark J Costello
- Institute of Marine Science, University of Auckland, Auckland, New Zealand
| | | | - Louis A Tremblay
- Cawthron Institute, Nelson, New Zealand
- School of Biological Sciences, University of Auckland, Auckland, New Zealand
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16
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Maurice L, López F, Becerra S, Jamhoury H, Le Menach K, Dévier MH, Budzinski H, Prunier J, Juteau-Martineau G, Ochoa-Herrera V, Quiroga D, Schreck E. Drinking water quality in areas impacted by oil activities in Ecuador: Associated health risks and social perception of human exposure. Sci Total Environ 2019; 690:1203-1217. [PMID: 31470483 DOI: 10.1016/j.scitotenv.2019.07.089] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/17/2019] [Revised: 06/21/2019] [Accepted: 07/06/2019] [Indexed: 06/10/2023]
Abstract
The unregulated oil exploitation in the Northern Ecuadorian Amazon Region (NEAR), mainly from 1964 to the 90's, led to toxic compounds largely released into the environment. A large majority of people living in the Amazon region have no access to drinking water distribution systems and collects water from rain, wells or small streams. The concentrations of major ions, trace elements, PAHs (polycyclic aromatic hydrocarbons) and BTEX (benzene, toluene, ethylbenzene, xylenes) were analyzed in different water sources to evaluate the impacts of oil extraction and refining. Samples were taken from the NEAR and around the main refinery of the country (Esmeraldas Oil Refinery/State Oil Company of Ecuador) and were compared with domestic waters from the Southern region, not affected by petroleum activities. In most of the samples, microbiological analysis revealed a high level of coliforms representing significant health risks. All measured chemical compounds in waters were in line with national and international guidelines, except for manganese, zinc and aluminum. In several deep-water wells, close to oil camps, toluene concentrations were higher than the natural background while PAHs concentrations never exceeded individually 2 ng·L-1. Water ingestion represented 99% of the total exposure pathways for carcinogenic and non-carcinogenic elements (mainly zinc) in adults and children, while 20% to 49% of the Total Cancer Risk was caused by arsenic concentrations. The health index (HI) indicates acceptable chronic effects for domestic use according the US-EPA thresholds. Nevertheless, these limits do not consider the cocktail effects of metallic and organic compounds. Furthermore, they do not include the social determinants of human exposure, such as socio-economic living conditions or vulnerability. Most (72%) of interviewed families knew sanitary risks but a discrepancy was observed between knowledge and action: religious beliefs, cultural patterns, information sources, experience and emotions play an important role front to exposure.
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Affiliation(s)
- Laurence Maurice
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Toulouse University, CNRS, IRD, 31400 Toulouse, France; Universidad Andina Simón Bolívar, Área de Salud, Toledo N22-80, P.O. Box 17-12-569, Quito, Ecuador.
| | - Fausto López
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Toulouse University, CNRS, IRD, 31400 Toulouse, France
| | - Sylvia Becerra
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Toulouse University, CNRS, IRD, 31400 Toulouse, France
| | - Hala Jamhoury
- Swiss Federal Institute of Technology in Zurich, Master Génie de l'Environnement, Switzerland
| | - Karyn Le Menach
- Bordeaux University - CNRS, EPOC UMR 5805, LPTC, F-33400 Talence, France
| | | | - Hélène Budzinski
- Bordeaux University - CNRS, EPOC UMR 5805, LPTC, F-33400 Talence, France
| | - Jonathan Prunier
- Laboratoire des Sciences du Bois, UMR EcoFoG, CNRS, Campus Agronomique de Kourou, 97387 Kourou, France; Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Toulouse University, CNRS, IRD, 31400 Toulouse, France
| | - Guilhem Juteau-Martineau
- Centre d'Études et de Recherches Travail Organisation Pouvoir (CERTOP), Maison de la Recherche, Université de Toulouse, 31058 Toulouse, France
| | - Valeria Ochoa-Herrera
- Universidad San Francisco de Quito, Diego de Robles y Vía Interoceánica, P.O. 17-0901, Quito, Ecuador; Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, NC 2759, USA
| | - Diego Quiroga
- Universidad San Francisco de Quito, Diego de Robles y Vía Interoceánica, P.O. 17-0901, Quito, Ecuador
| | - Eva Schreck
- Géosciences Environnement Toulouse (GET), Observatoire Midi Pyrénées, Toulouse University, CNRS, IRD, 31400 Toulouse, France
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17
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Ju YR, Chen CF, Chen CW, Tsai ML, Wu JC, Dong CD. An integrative assessment to determine the sediment toxicity of Kaohsiung Harbor in Taiwan: combining chemical analysis and cytotoxicity assay. Environ Sci Pollut Res Int 2019; 26:34321-34331. [PMID: 30919177 DOI: 10.1007/s11356-019-04840-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 03/11/2019] [Indexed: 06/09/2023]
Abstract
To evaluate the toxicity of sediments collected from the mouths of four rivers and entrances of Kaohsiung Harbor, Taiwan, a combination of in vitro cytotoxicity assays (Clone 9 cells) and chemical analysis that quantified 16 polycyclic aromatic hydrocarbons (PAHs), 10 phthalate esters (PAEs), and 2 alkylphenols (APs) was employed. Results showed that the total concentrations of PAHs, PAEs, and APs ranged between 77.9 and 24,363 ng/g dw, between 268 and 118,010 ng/g dw, and between 32.6 and 84,438 ng/g dw in sediments, respectively. The highest concentrations of PAHs, PAEs, and APs were found in the mouths of the Salt River (SR), Love River (LR), and Jen-Gen River (JR), respectively. Mean reference sediment quotient (m-RSQ) values were calculated using the chemical concentrations measured in the sediment of entrance I (EI) as the benchmark, and the order was SR > LR > JR > CR (Canon River mouth) > EII (entrance II) > EI. Results of the cytotoxicity assay showed that the 50% inhibitory concentration (IC50) of Clone 9 cells was in the order of LR < SR < JR < CR < EII < EI. Results on DNA content, apoptotic and autophagy protein biomarkers, and acridine orange staining indicated that the cause of death of Clone 9 cells after treatment with sediment extracts of the LR site was mainly through apoptosis. There was a significant correlation between m-RSQ values and IC50 of Clone 9 cells. The correlation analysis between cytotoxicity and chemical analytical data indicated that certain unknown chemicals may exist in LR sediment. Overall, this study demonstrated that the combination of chemical and biological analyses can provide a more comprehensive and realistic assessment of sediment toxicity to aquatic organisms compared to traditional chemistry-based-only analytical approaches.
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Affiliation(s)
- Yun-Ru Ju
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Chih-Feng Chen
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Chiu-Wen Chen
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan.
| | - Mei-Ling Tsai
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan
| | - Jia-Ching Wu
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan, 704, Taiwan
| | - Cheng-Di Dong
- Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung, 81157, Taiwan.
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18
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Gaw S, Harford A, Pettigrove V, Sevicke‐Jones G, Manning T, Ataria J, Cresswell T, Dafforn KA, Leusch FDL, Moggridge B, Cameron M, Chapman J, Coates G, Colville A, Death C, Hageman K, Hassell K, Hoak M, Gadd J, Jolley DF, Karami A, Kotzakoulakis K, Lim R, McRae N, Metzeling L, Mooney T, Myers J, Pearson A, Saaristo M, Sharley D, Stuthe J, Sutherland O, Thomas O, Tremblay L, Wood W, Boxall ABA, Rudd MA, Brooks BW. Towards Sustainable Environmental Quality: Priority Research Questions for the Australasian Region of Oceania. Integr Environ Assess Manag 2019; 15:917-935. [PMID: 31273905 PMCID: PMC6899907 DOI: 10.1002/ieam.4180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2019] [Revised: 04/26/2019] [Accepted: 06/24/2019] [Indexed: 05/06/2023]
Abstract
Environmental challenges persist across the world, including the Australasian region of Oceania, where biodiversity hotspots and unique ecosystems such as the Great Barrier Reef are common. These systems are routinely affected by multiple stressors from anthropogenic activities, and increasingly influenced by global megatrends (e.g., the food-energy-water nexus, demographic transitions to cities) and climate change. Here we report priority research questions from the Global Horizon Scanning Project, which aimed to identify, prioritize, and advance environmental quality research needs from an Australasian perspective, within a global context. We employed a transparent and inclusive process of soliciting key questions from Australasian members of the Society of Environmental Toxicology and Chemistry. Following submission of 78 questions, 20 priority research questions were identified during an expert workshop in Nelson, New Zealand. These research questions covered a range of issues of global relevance, including research needed to more closely integrate ecotoxicology and ecology for the protection of ecosystems, increase flexibility for prioritizing chemical substances currently in commerce, understand the impacts of complex mixtures and multiple stressors, and define environmental quality and ecosystem integrity of temporary waters. Some questions have specific relevance to Australasia, particularly the uncertainties associated with using toxicity data from exotic species to protect unique indigenous species. Several related priority questions deal with the theme of how widely international ecotoxicological data and databases can be applied to regional ecosystems. Other timely questions, which focus on improving predictive chemistry and toxicology tools and techniques, will be important to answer several of the priority questions identified here. Another important question raised was how to protect local cultural and social values and maintain indigenous engagement during problem formulation and identification of ecosystem protection goals. Addressing these questions will be challenging, but doing so promises to advance environmental sustainability in Oceania and globally.
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Affiliation(s)
- Sally Gaw
- School of Physical and Chemical SciencesUniversity of CanterburyChristchurchNew Zealand
| | - Andrew Harford
- Department of the Environment and EnergyAustralian Government, DarwinAustralia
| | - Vincent Pettigrove
- Aquatic Environmental Stress Research CentreRMIT University, BundooraVictoriaAustralia
| | | | | | | | - Tom Cresswell
- Australia's Nuclear Science and Technology OrganisationLucas HeightsAustralia
| | | | - Frederic DL Leusch
- Australian Rivers Institute and School of Environment and ScienceGriffith UniversityBrisbaneAustralia
| | - Bradley Moggridge
- Institute for Applied EcologyUniversity of CanberraCanberraAustralia
| | | | - John Chapman
- Office of Environment and HeritageNew South WalesAustralia
| | - Gary Coates
- Te Rūnanga o Ngāi TahuChristchurchNew Zealand
| | - Anne Colville
- School of Life SciencesUniversity of Technology SydneySydneyAustralia
| | - Claire Death
- Faculty of Veterinary ScienceUniversity of MelbourneVictoriaAustralia
| | - Kimberly Hageman
- Department of Chemistry and BiochemistryUtah State University, LoganUtahUSA
| | - Kathryn Hassell
- Aquatic Environmental Stress Research CentreRMIT University, BundooraVictoriaAustralia
| | - Molly Hoak
- School of BiosciencesThe University of Melbourne, ParkvilleVictoriaAustralia
| | - Jennifer Gadd
- National Institute of Atmospheric and Water ResearchAucklandNew Zealand
| | - Dianne F Jolley
- Faculty of Science, University of Technology SydneySydneyAustralia
| | - Ali Karami
- Environmental Futures Research InstituteGriffith UniversityBrisbaneAustralia
| | | | - Richard Lim
- Faculty of Science, University of Technology SydneySydneyAustralia
| | - Nicole McRae
- School of Physical and Chemical SciencesUniversity of CanterburyChristchurchNew Zealand
| | | | - Thomas Mooney
- Department of the Environment and EnergyAustralian Government, DarwinAustralia
| | - Jackie Myers
- Aquatic Environmental Stress Research CentreRMIT University, BundooraVictoriaAustralia
| | | | - Minna Saaristo
- School of Biological SciencesMonash UniversityMelbourneAustralia
| | - Dave Sharley
- Bio2Lab, Melbourne Innovation CentreGreensboroughAustralia
| | | | | | - Oliver Thomas
- School of Applied Chemistry and Environmental ScienceRMIT University, MelbourneVictoriaAustralia
| | - Louis Tremblay
- Cawthron InstituteNelsonNew Zealand
- School of Biological SciencesUniversity of AucklandAucklandNew Zealand
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19
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Charry MP, Northcott GL, Gaw S, Keesing V, Costello MJ, Tremblay LA. Development of acute and chronic toxicity bioassays using the pelagic copepod Gladioferens pectinatus. Ecotoxicol Environ Saf 2019; 174:611-617. [PMID: 30875554 DOI: 10.1016/j.ecoenv.2019.03.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 02/28/2019] [Accepted: 03/05/2019] [Indexed: 06/09/2023]
Abstract
Well validated and reliable biological assays using local and native species are required to characterise the impacts of pollution on ecosystem health. We identified a native estuarine pelagic copepod species suitable for assessing the ecotoxicological impact of anthropogenic contaminants. Gladioferens pectinatus fulfilled the necessary-selection criteria of: wide distribution and abundance across New Zealand estuaries, ease of maintenance in the laboratory, short life cycle, sensitivity to toxicants with different modes of action, and providing reproducibility of biological response to toxicants. Measured endpoints were survival and larval development rate for the nauplii, and survival, realized offspring and total potential offspring for adults. LC50 values for the survival of G. pectinatus exposed to copper, phenanthrene and chlorpyrifos were 170 (143-193), 181.3 (131.3-231.3) and 4.3 (3.8-4.9) µg/L, respectively. The most sensitive chronic endpoint identified for G. pectinatus was the larval development rate, with EC50 values of 49.8 (45-55.3), 31.3 (24.8-44.7) and 1.97 (1.6-2.31) µg/L for copper, phenanthrene and chlorpyrifos, respectively. The acute and chronic responses obtained for G. pectinatus against the three reference toxicants are comparable with those reported for other copepod species and confirm its sensitivity and suitability to assess the toxicity of New Zealand estuarine samples.
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Affiliation(s)
- Maria P Charry
- Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand; School of Biological Sciences, University of Auckland, Auckland 1142, New Zealand
| | - Grant L Northcott
- Northcott Research Consultants, 20 River Oaks Place, Hamilton 3200, New Zealand
| | - Sally Gaw
- Chemistry Department, University of Canterbury, Private Bag 4800, Christchurch 8140 New Zealand
| | - Vaughan Keesing
- Boffa Miskell Ltd, PO Box 13340, Wellington 6142, New Zealand
| | - Mark J Costello
- Institute of Marine Science, University of Auckland, Auckland 1142, New Zealand
| | - Louis A Tremblay
- Cawthron Institute, Private Bag 2, Nelson 7042, New Zealand; School of Biological Sciences, University of Auckland, Auckland 1142, New Zealand.
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20
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Liu H, Yin H, Tang S, Wei K, Peng H, Lu G, Dang Z. Effects of benzo [a] pyrene (BaP) on the composting and microbial community of sewage sludge. Chemosphere 2019; 222:517-526. [PMID: 30721810 DOI: 10.1016/j.chemosphere.2019.01.180] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 01/26/2019] [Accepted: 01/29/2019] [Indexed: 06/09/2023]
Abstract
Benzo [a] pyrene (BaP), the most ubiquitous polycyclic aromatic hydrocarbons (PAHs) found in sludge, can impact the composting processes of sewage sludge as well as the quality of compost produced. In the present study, we investigated the effects of BaP at various concentrations on physicochemical characteristics, heavy metal passivation, and microbial community during the composting processes. The removal efficiency of BaP at 5 and 20 mg kg-1 after composting was 51.1% and 74.2%, respectively. In comparison with the control, the content of residual Cu, Pb, Cr and Ni in 5 mg kg-1 BaP contained system declined dramatically on the second day of composting, while such content in 20 mg kg-1 BaP system significantly decreased on the 8th day. Regardless of the presence of BaP in the sludge, composting process had a positive passivation effect on Cu, Pb, Cr and Ni. A stronger inhibitory effect of BaP at higher concentration was observed on microorganism, which reduced microbial abundance and species in the composting, and influenced microbial diversity. Besides, microbial communities in BaP-containing composting would improve the transformation of silicates and minerals, increase the concentration of humus and extend the passivation time of heavy metals. As these results verified, composting process could remove BaP from the sludge effectively, and BaP had a significant impact on heavy metal passivation and abundance and composition of microbial community during the composting process.
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Affiliation(s)
- Hao Liu
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, PR China
| | - Hua Yin
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, PR China.
| | - Shaoyu Tang
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, PR China
| | - Kun Wei
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, PR China
| | - Hui Peng
- Department of Chemistry, Jinan University, Guangzhou, 510632, Guangdong, PR China
| | - Guining Lu
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, PR China
| | - Zhi Dang
- Key Laboratory of Ministry of Education on Pollution Control and Ecosystem Restoration in Industry Clusters, Guangdong Provincial Engineering and Technology Research Center for Environmental Risk Prevention and Emergency Disposal, School of Environment and Energy, South China University of Technology, Guangzhou, 510006, Guangdong, PR China
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21
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Bayen S, Segovia Estrada E, Zhang H, Lee WK, Juhel G, Smedes F, Kelly BC. Partitioning and Bioaccumulation of Legacy and Emerging Hydrophobic Organic Chemicals in Mangrove Ecosystems. Environ Sci Technol 2019; 53:2549-2558. [PMID: 30689941 DOI: 10.1021/acs.est.8b06122] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Knowledge regarding partitioning behavior and bioaccumulation potential of environmental contaminants is important for ecological and human health risk assessment. While a range of models are available to describe bioaccumulation potential of hydrophobic organic chemicals (HOCs) in temperate aquatic food webs, their applicability to tropical systems still needs to be validated. The present study involved field investigations to assess the occurrence, partitioning, and bioaccumulation behavior of several legacy and emerging HOCs in mangrove ecosystems in Singapore. Concentrations of synthetic musk fragrance compounds, methyl triclosan (MTCS), polychlorinated biphenyls, organochlorine pesticides, and polycyclic aromatic hydrocarbons were measured in mangrove sediments, clams, and caged mussels. Freely dissolved concentrations of the HOCs in water were determined using silicone rubber passive samplers. Results showed that polycyclic musks and MTCS are present in mangrove ecosystems and can accumulate in the tissues of mollusks. The generated HOC concentration data for mangrove water, sediments, and biota samples was further utilized to evaluate water-sediment partitioning (e.g., Koc values) and bioaccumulation behavior (e.g., BAF and BSAF values). Overall, the empirical models fit reasonably well with the data obtained for this ecosystem, supporting the concept that general models are applicable to predict the behavior of legacy and emerging HOCs in mangrove ecosystems.
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Affiliation(s)
- Stéphane Bayen
- Department of Food Science and Agricultural Chemistry , McGill University , 21111 Lakeshore , Ste-Anne-de-Bellevue , H9X 3 V9 Quebec , Canada
| | - Elvagris Segovia Estrada
- Department of Geography , National University of Singapore , 1 Arts Link, AS2 #03-01 , Singapore 117570
| | | | | | - Guillaume Juhel
- Tropical Marine Science Institute , National University of Singapore , 18 Kent Ridge Road , Singapore 119227
| | - Foppe Smedes
- Deltares , P.O. Box 85467, 3508 AL Utrecht , The Netherlands
- Research Centre for Toxic Compounds in the Environment (RECETOX) , Masaryk University , Kamenice 753/5 , 625 00 Brno , Czech Republic
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22
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He Y, Men B, Yang X, Li Y, Xu H, Wang D. Relationship between heavy metals and dissolved organic matter released from sediment by bioturbation/bioirrigation. J Environ Sci (China) 2019; 75:216-223. [PMID: 30473287 DOI: 10.1016/j.jes.2018.03.031] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 03/22/2018] [Accepted: 03/22/2018] [Indexed: 06/09/2023]
Abstract
Organic matter (OM) is an important component of sediment. Bioturbation/bioirrigation can remobilize OM and heavy metals that were previously buried in the sediment. The remobilization of buried organic matter, thallium (Tl), cadmium (Cd), copper (Cu) and zinc (Zn) from sediment was studied in a laboratory experiment with three organisms: tubificid, chironomid larvae and loach. Results showed that bioturbation/bioirrigation promoted the release of dissolved organic matter (DOM) and dissolved Tl, Cd, Cu and Zn, but only dissolved Zn concentrations decreased with exposure time in overlying water. The presence of organisms altered the compositions of DOM released from sediment, considerably increasing the percentage of fulvic acid-like materials (FA) and humic acid-like materials (HA). In addition, bioturbation/bioirrigation accelerated the growth and reproduction of bacteria to enhance the proportion of soluble microbial byproduct-like materials (SMP). The DOM was divided into five regions in the three-dimensional excitation emission matrix (3D-EEM), and each part had different correlation with the dissolved heavy metal concentrations. Dissolved Cu had the best correlation with each of the DOM compositions, indicating that Cu in the sediment was in the organic-bound form. Furthermore, the organism type and heavy metal characteristics both played a role in influencing the remobilization of heavy metal.
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Affiliation(s)
- Yi He
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China
| | - Bin Men
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China.
| | - Xiaofang Yang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China
| | - Yaxuan Li
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China
| | - Hui Xu
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China
| | - Dongsheng Wang
- State Key Laboratory of Environmental Aquatic Chemistry, Research Centre for Eco-Environmental Science, Chinese Academy of Sciences, Beijing 100085, China
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23
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Wiest L, Baudot R, Lafay F, Bonjour E, Becouze-Lareure C, Aubin JB, Jame P, Barraud S, Kouyi GL, Sébastian C, Vulliet E. Priority substances in accumulated sediments in a stormwater detention basin from an industrial area. Environ Pollut 2018; 243:1669-1678. [PMID: 30300872 DOI: 10.1016/j.envpol.2018.09.138] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2018] [Revised: 08/13/2018] [Accepted: 09/28/2018] [Indexed: 06/08/2023]
Abstract
One of the most adopted solutions in developed countries to manage stormwater is detention/retention basins which generate large quantities of sediments that have to be removed regularly. In order to manage them properly, accurate data are needed about their physical and chemical characteristics, particularly on micropollutant concentrations and their associated risk. This work consisted in a two-year sampling of dry sediments from a detention-settling basin. Priority substances, including pesticides, polybrominated diphenyl ethers (PBDE), alkylphenols and bisphenol A (BPA), were monitored. Different sites in the basin bottom were sampled in order to investigate spatial distribution of the contamination. Results show that the increase of the sediment thickness in the basin was heterogeneous with a maximum of 15 cm after two years. Pesticides and PBDE were, if detected, mainly found in low concentrations from 2 ng/g to 286 ng/g. Conversely, alkylphenols and bisphenol A were always quantified at concentrations varying from 6 ng/g to 3400 ng/g. These high levels suggest that these sediments should be managed with precautions. Spatial heterogeneity of alkylphenol ethoxylates and BPA concentrations was observed, with higher contamination of alkylphenol ethoxylates in anaerobic zones and BPA levels correlated with total organic carbon and in a lesser extent to fine particles.
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Affiliation(s)
- Laure Wiest
- Univ Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France.
| | - Robert Baudot
- Univ Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | - Florent Lafay
- Univ Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | - Erik Bonjour
- Univ Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | | | | | - Patrick Jame
- Univ Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
| | - Sylvie Barraud
- University of Lyon, INSA Lyon, DEEP, F-69621, Villeurbanne Cedex, France
| | | | - Christel Sébastian
- University of Lyon, INSA Lyon, DEEP, F-69621, Villeurbanne Cedex, France
| | - Emmanuelle Vulliet
- Univ Lyon, CNRS, Université Claude Bernard Lyon 1, ENS de Lyon, Institut des Sciences Analytiques, UMR 5280, 5 rue de la Doua, 69100, Villeurbanne, France
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24
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Šauer P, Bořík A, Golovko O, Grabic R, Staňová AV, Valentová O, Stará A, Šandová M, Kocour Kroupová H. Do progestins contribute to (anti-)androgenic activities in aquatic environments? Environ Pollut 2018; 242:417-425. [PMID: 29990947 DOI: 10.1016/j.envpol.2018.06.104] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2018] [Revised: 06/28/2018] [Accepted: 06/30/2018] [Indexed: 06/08/2023]
Abstract
Unknown compounds with (anti-)androgenic activities enter the aquatic environment via municipal wastewater treatment plants (WWTPs). Progestins are well-known environmental contaminants capable of interfering with androgen receptor (AR) signaling pathway. The aim of the present study was to determine if 15 selected progestins have potential to contribute to (anti-)androgenic activities in municipal wastewaters and the respective recipient surface waters. AR-specific Chemically Activated LUciferase gene eXpression bioassay in agonistic (AR-CALUX) and antagonistic (anti-AR-CALUX) modes and liquid chromatography tandem atmospheric pressure chemical ionization/atmospheric photoionization with hybrid quadrupole/orbital trap mass spectrometry operated in high resolution product scan mode (LC-APCI/APPI-HRPS) methods were used to assess (anti-)androgenic activity and to detect the target compounds, respectively. The contribution of progestins to (anti-)androgenic activities was evaluated by means of a biologically and chemically derived toxicity equivalent approach. Androgenic (0.08-59 ng/L dihydrotestosterone equivalents - DHT EQs) and anti-androgenic (2.4-26 μg/L flutamide equivalents - FLU EQs) activities and progestins (0.19-75 ng/L) were detected in selected aquatic environments. Progestins displayed androgenic potencies (0.01-0.22 fold of dihydrotestosterone) and strong anti-androgenic potencies (9-62 fold of flutamide). Although they accounted to some extent for androgenic (0.3-29%) and anti-androgenic (4.6-27%) activities in influents, the progestins' contribution to (anti-)androgenic activities was negligible (≤2.1%) in effluents and surface waters. We also tested joint effect of equimolar mixtures of target compounds and the results indicate that compounds interact in an additive manner. Even if progestins possess relatively strong (anti-)androgenic activities, when considering their low concentrations (sub-ng/L to ng/L) it seems unlikely that they would be the drivers of (anti-)androgenic effects in Czech aquatic environments.
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Affiliation(s)
- Pavel Šauer
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic.
| | - Adam Bořík
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Oksana Golovko
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Roman Grabic
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Andrea Vojs Staňová
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Olga Valentová
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Alžběta Stará
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Marie Šandová
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
| | - Hana Kocour Kroupová
- University of South Bohemia in České Budějovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Research Institute of Fish Culture and Hydrocenoses, Zátiší 728/II, 389 25 Vodňany, Czech Republic
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25
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Affiliation(s)
- Arun Kumar Dangi
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Babita Sharma
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
| | - Russell T. Hill
- Institute of Marine and Environmental Technology, University of Maryland Center for Environmental Science, Baltimore, MD, USA
| | - Pratyoosh Shukla
- Enzyme Technology and Protein Bioinformatics Laboratory, Department of Microbiology, Maharshi Dayanand University, Rohtak, India
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Charry MP, Keesing V, Costello M, Tremblay LA. Assessment of the ecotoxicity of urban estuarine sediment using benthic and pelagic copepod bioassays. PeerJ 2018; 6:e4936. [PMID: 29868297 PMCID: PMC5984583 DOI: 10.7717/peerj.4936] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 05/21/2018] [Indexed: 12/25/2022] Open
Abstract
Urban estuarine sediments are sinks to a range of contaminants of anthropogenic origin, and a key challenge is to characterize the risk of these compounds to receiving environments. In this study, the toxicity of urban estuarine sediments was tested using acute and chronic bioassays in the benthic harpacticoid Quinquelaophonte sp., and in the planktonic calanoid Gladioferens pectinatus, two New Zealand copepod species. The sediment samples from the estuary tributary sites significantly impacted reproduction in Quinquelaophonte sp. However, results from one of the estuary sites were not significantly different to those from the tributaries sites, suggesting that chemicals other than trace metals, polycyclic aromatic hydrocarbons and ammonia may be the causative stressors. Sediment elutriate samples had significant effects on reproductive endpoints in G. pectinatus, and on the induction of DNA damage in cells, as shown by the comet assay. The results indicate that sediment contamination at the Ahuriri Estuary has the potential to impact biological processes of benthic and pelagic organisms. The approach used provides a standardized methodology to assess the toxicity of estuarine sediments.
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Affiliation(s)
- Maria P Charry
- School of Biological Sciences, University of Auckland, Auckland, New Zealand.,Cawthron Institute, Nelson, New Zealand
| | | | - Mark Costello
- Institute of Marine Science, University of Auckland, Auckland, New Zealand
| | - Louis A Tremblay
- School of Biological Sciences, University of Auckland, Auckland, New Zealand.,Cawthron Institute, Nelson, New Zealand
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27
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Abbas M, Adil M, Ehtisham-Ul-Haque S, Munir B, Yameen M, Ghaffar A, Shar GA, Asif Tahir M, Iqbal M. Vibrio fischeri bioluminescence inhibition assay for ecotoxicity assessment: A review. Sci Total Environ 2018; 626:1295-1309. [PMID: 29898537 DOI: 10.1016/j.scitotenv.2018.01.066] [Citation(s) in RCA: 237] [Impact Index Per Article: 39.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2017] [Revised: 01/03/2018] [Accepted: 01/08/2018] [Indexed: 05/18/2023]
Abstract
Vibrio fischeri bioluminescence inhibition bioassay (VFBIA) has been widely applied for the monitoring of toxicity on account of multiple advantages encompassing shorter test duration, sensitive, cost-effective and ease of operation. Moreover, this bioassay found to be equally applicable to all types of matrices (organic & inorganic compounds, metals, wastewater, river water, sewage sludge, landfill leachate, herbicides, treated wastewater etc.) for toxicity monitoring. This review highlights the apparent significance of Vibrio fischeri bioluminescence inhibition assay for ecotoxicological screening and evaluation of diverse chemical substances toxicity profile. The biochemical and genetic basis of the bioluminescence assay and its regulatory mechanism have been concisely discussed. The basic test protocol with ongoing improvements, widespread applications, typical advantages and probable limitations of the assay have been overviewed. The sensitivity of VFBIA and toxicity bioassays has also been compared.
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Affiliation(s)
- Mazhar Abbas
- CVAS, Jhang Campus, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | - Muhammad Adil
- CVAS, Jhang Campus, University of Veterinary and Animal Sciences, Lahore, Pakistan
| | | | - Bushra Munir
- Department of Biochemistry, Government College University, Faisalabad, Pakistan
| | - Muhammad Yameen
- Department of Biochemistry, Government College University, Faisalabad, Pakistan
| | - Abdul Ghaffar
- Department of Biochemistry, Government College University, Faisalabad, Pakistan.
| | - Ghulam Abbas Shar
- Institute of Chemistry, Shah Abdul Latif University, Khairpur 66020, Sindh, Pakistan
| | - M Asif Tahir
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Munawar Iqbal
- Department of Chemistry, The University of Lahore, Lahore, Pakistan.
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28
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Schreiber B, Fischer J, Schiwy S, Hollert H, Schulz R. Towards more ecological relevance in sediment toxicity testing with fish: Evaluation of multiple bioassays with embryos of the benthic weatherfish (Misgurnus fossilis). Sci Total Environ 2018; 619-620:391-400. [PMID: 29156260 DOI: 10.1016/j.scitotenv.2017.11.122] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 10/27/2017] [Accepted: 11/10/2017] [Indexed: 06/07/2023]
Abstract
The effects of sediment contamination on fish are of high significance for the protection of ecosystems, human health and economy. However, standardized sediment bioassays with benthic fish species, that mimic bioavailability of potentially toxic compounds and comply with the requirements of alternative test methods, are still scarce. In order to address this issue, embryos of the benthic European weatherfish (Misgurnus fossilis) were exposed to freeze-dried sediment (via sediment contact assays (SCA)) and sediment extracts (via acute fish embryo toxicity tests) varying in contamination level. The extracts were gained by accelerated solvent extraction with (i) acetone and (ii) pressurized hot water (PHWE) and subsequently analyzed for polycyclic aromatic hydrocarbons, polychlorinated biphenyls and polychlorinated dibenzodioxins and dibenzofurans. Furthermore, embryos of the predominately used zebrafish (Danio rerio) were exposed to extracts from the two most contaminated sediments. Results indicated sufficient robustness of weatherfish embryos towards varying test conditions and sensitivity towards relevant sediment-bound compounds. Furthermore, a compliance of effect concentrations derived from weatherfish embryos exposed to sediment extracts (96h-LC50) with both measured gradient of sediment contamination and previously published results was observed. In comparison to zebrafish, weatherfish embryos showed higher sensitivity to the bioavailability-mimicking extracts from PHWE but lower sensitivity to extracts gained with acetone. SCAs conducted with weatherfish embryos revealed practical difficulties that prevented an implementation with three of four sediments tested. In summary, an application of weatherfish embryos, using bioassays with sediment extracts from PHWE might increase the ecological relevance of sediment toxicity testing: it allows investigations using benthic and temperate fish species considering both bioavailable contaminants and animal welfare concerns.
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Affiliation(s)
- Benjamin Schreiber
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau, Germany.
| | - Jonas Fischer
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau, Germany; Center for Environmental Research and Technology, General and Theoretical Ecology, University of Bremen, Leobener Strasse, Bremen, Germany
| | - Sabrina Schiwy
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Henner Hollert
- Department of Ecosystem Analysis, Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074 Aachen, Germany
| | - Ralf Schulz
- Institute for Environmental Sciences, University of Koblenz-Landau, Fortstrasse 7, 76829 Landau, Germany
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29
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Duarte RM, Sadauskas-Henrique H, de Almeida-Val VMF, Val AL, Nice HE, Gagnon MM. Biomarker responses and PAH ratios in fish inhabiting an estuarine urban waterway. Environ Toxicol 2017; 32:2305-2315. [PMID: 28707373 DOI: 10.1002/tox.22447] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 06/29/2017] [Accepted: 07/02/2017] [Indexed: 06/07/2023]
Abstract
Many cities worldwide are established adjacent to estuaries and their catchments resulting in estuarine contamination due to intense anthropogenic activities. The aim of this study was to evaluate if fish living in an estuarine urban waterway were affected by contamination, via the measurement of a suite of biomarkers of fish health. Black bream (Acanthopagrus butcheri) were sampled in a small urban embayment and a suite of biomarkers of fish health measured. These were condition factor (CF), liver somatic index (LSI), gonadosomatic index (GSI), hepatic EROD activity, polycyclic aromatic hydrocarbon (PAH) biliary metabolites, serum sorbitol dehydrogenase (s-SDH) and branchial enzymes cytochrome C oxidase (CCO), and lactate dehydrogenase (LDH) activities. The biomarkers of exposure EROD activity, and pyrene- and B(a)P-type biliary metabolites confirmed current or recent exposure of the fish and that fish were metabolizing contaminants. Relative to a reference site, LSI was higher in fish collected in the urban inlet as was the metabolic enzyme LDH activity. CF, GSI, s-SDH, CCO, and naphthalene-type metabolites were at similar levels in the urban inlet relative to the reference site. PAH biliary metabolite ratios of high-molecular-weight to low-molecular-weight suggest that fish from the urban inlet were exposed to pyrogenic PAHs, likely from legacy contamination and road runoff entering the embayment. Similarly, the sediment PAH ratios and the freshness indices suggested legacy contamination of a pyrogenic source, likely originating from the adjacent historic gasworks site and a degree of contamination of petrogenic nature entering the inlet via storm water discharge. Biomarkers of exposure and effect confirmed that black bream collected in the Claisebrook Cove inlet, Western Australia, are currently exposed to contamination and are experiencing metabolic perturbations not observed in fish collected at a nearby reference site.
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Affiliation(s)
- Rafael Mendonça Duarte
- São Paulo State University (UNESP), Institute of Bioscence, São Vicente, São Paulo, Brazil
- Brazilian National Institute for Research of the Amazon, Laboratory of Ecophysiology and Molecular Evolution, 69060-001, Manaus, Amazonas, Brazil
| | - Helen Sadauskas-Henrique
- Brazilian National Institute for Research of the Amazon, Laboratory of Ecophysiology and Molecular Evolution, 69060-001, Manaus, Amazonas, Brazil
- UNISANTA (Universidade Santa Cecília), Programa de Pós-Graduação em Sustentabilidade de Ecossistemas Costeiros e Marinhos, Rua Oswaldo Cruz, 277 (Boqueirão), 11045-907, Santos, São Paulo, Brazil
| | - Vera Maria Fonseca de Almeida-Val
- Brazilian National Institute for Research of the Amazon, Laboratory of Ecophysiology and Molecular Evolution, 69060-001, Manaus, Amazonas, Brazil
| | - Adalberto Luis Val
- Brazilian National Institute for Research of the Amazon, Laboratory of Ecophysiology and Molecular Evolution, 69060-001, Manaus, Amazonas, Brazil
| | - Helen Elizabeth Nice
- Department of Water, Water Science Branch, Perth, Western Australia, 6169, Australia
| | - Marthe Monique Gagnon
- Department of Environment and Agriculture, Curtin University, GPO Box U1987, Perth, Western Australia, 6845, Australia
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