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Lovrić M, Wang T, Staffe MR, Šunić I, Časni K, Lasky-Su J, Chawes B, Rasmussen MA. A Chemical Structure and Machine Learning Approach to Assess the Potential Bioactivity of Endogenous Metabolites and Their Association with Early Childhood Systemic Inflammation. Metabolites 2024; 14:278. [PMID: 38786755 PMCID: PMC11122766 DOI: 10.3390/metabo14050278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2024] [Revised: 04/29/2024] [Accepted: 05/08/2024] [Indexed: 05/25/2024] Open
Abstract
Metabolomics has gained much attention due to its potential to reveal molecular disease mechanisms and present viable biomarkers. This work uses a panel of untargeted serum metabolomes from 602 children from the COPSAC2010 mother-child cohort. The annotated part of the metabolome consists of 517 chemical compounds curated using automated procedures. We created a filtering method for the quantified metabolites using predicted quantitative structure-bioactivity relationships for the Tox21 database on nuclear receptors and stress response in cell lines. The metabolites measured in the children's serums are predicted to affect specific targeted models, known for their significance in inflammation, immune function, and health outcomes. The targets from Tox21 have been used as targets with quantitative structure-activity relationships (QSARs). They were trained for ~7000 structures, saved as models, and then applied to the annotated metabolites to predict their potential bioactivities. The models were selected based on strict accuracy criteria surpassing random effects. After application, 52 metabolites showed potential bioactivity based on structural similarity with known active compounds from the Tox21 set. The filtered compounds were subsequently used and weighted by their bioactive potential to show an association with early childhood hs-CRP levels at six months in a linear model supporting a physiological adverse effect on systemic low-grade inflammation.
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Affiliation(s)
- Mario Lovrić
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, 2820 Gentofte, Denmark
- Centre for Applied Bioanthropology, Institute for Anthropological Research, 10000 Zagreb, Croatia;
- The Lisbon Council, 1040 Brussels, Belgium
| | - Tingting Wang
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, 2820 Gentofte, Denmark
| | - Mads Rønnow Staffe
- Department of Food Science, University of Copenhagen, 1958 Frederiksberg, Denmark
| | - Iva Šunić
- Centre for Applied Bioanthropology, Institute for Anthropological Research, 10000 Zagreb, Croatia;
| | | | - Jessica Lasky-Su
- Department of Medicine, Boston, MA 02115, USA
- Channing Division of Network Medicine, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, USA
| | - Bo Chawes
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, 2820 Gentofte, Denmark
- Department of Clinical Medicine, Faculty of Health and Medical Sciences, University of Copenhagen, 2300 Copenhagen, Denmark
| | - Morten Arendt Rasmussen
- COPSAC, Copenhagen Prospective Studies on Asthma in Childhood, Herlev and Gentofte Hospital, 2820 Gentofte, Denmark
- Department of Food Science, University of Copenhagen, 1958 Frederiksberg, Denmark
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Markert N, Schürings C, Feld CK. Water Framework Directive micropollutant monitoring mirrors catchment land use: Importance of agricultural and urban sources revealed. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170583. [PMID: 38309347 DOI: 10.1016/j.scitotenv.2024.170583] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/28/2024] [Accepted: 01/29/2024] [Indexed: 02/05/2024]
Abstract
River monitoring programs worldwide consistently unveil micropollutant concentrations (pesticide, pharmaceuticals, and industrial chemicals) exceeding regulatory quality targets with deteriorating effects on aquatic communities. However, both the composition and individual concentrations of micropollutants are likely to vary with the catchment land use, in particular regarding urban and agricultural area as the primary sources of micropollutants. In this study, we used a dataset of 109 governmental monitoring sites with micropollutants monitored across the Federal State of North Rhine-Westphalia, Germany, to investigate the relationship between high-resolution catchment land use (distinguishing urban, forested and grassland area as well as 22 different agricultural crop types) and 39 micropollutants using Linear Mixed Models (LMMs). Ecotoxicological risks were indicated for mixtures of pharmaceutical and industrial chemicals for 100 % and for pesticides for 55 % of the sites. The proportion of urban area in the catchment was positively related with concentrations of most pharmaceuticals and industrial chemicals (R2 up to 0.54), whereas the proportions of grassland and forested areas generally showed negative relations. Cropland overall showed weak positive relationships with micropollutant concentrations (R2 up to 0.29). Individual crop types, particularly vegetables and permanent crops, showed higher relations (R2 up to 0.46). The findings suggest that crop type-specific pesticide applications are mirrored in the detected micropollutant concentrations. This highlights the need for high-resolution spatial land use to investigate the magnitude and dynamics of micropollutant exposure and relevant pollution sources, which would remain undetected with highly aggregated land use classifications. Moreover, the findings imply the need for tailored management measures to reduce micropollutant concentrations from different sources and their related ecological effects. Urban point sources, could be managed by advanced wastewater treatment. The reduction of diffuse pollution from agricultural land uses requires additional measures, to prevent pesticides from entering the environment and exceeding regulatory quality targets.
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Affiliation(s)
- Nele Markert
- University Duisburg-Essen, Faculty of Biology, Aquatic Ecology, Universitätsstr. 5, 45141 Essen, Germany; North Rhine-Westphalia Office of Nature, Environment and Consumer Protection (LANUV NRW), 40208 Düsseldorf, Germany
| | - Christian Schürings
- University Duisburg-Essen, Faculty of Biology, Aquatic Ecology, Universitätsstr. 5, 45141 Essen, Germany.
| | - Christian K Feld
- University Duisburg-Essen, Faculty of Biology, Aquatic Ecology, Universitätsstr. 5, 45141 Essen, Germany; University Duisburg-Essen, Centre for Water and Environmental Research (ZWU), Universitätsstr. 5, 45141 Essen, Germany
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Silva JGD, Chagas CA, Souza TGDS, Araújo MCD, Araújo LCAD, Santos AMM, Sá RADQCD, Alves RBDO, Rodrigues RHA, Silva HPD, Malafaia G, Bezerra RDS, Oliveira MBMD. Using structural equation modeling to assess the genotoxic and mutagenic effects of heavy metal contamination in the freshwater ecosystems: A study involving Oreochromis niloticus in an urban river. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 913:169529. [PMID: 38160826 DOI: 10.1016/j.scitotenv.2023.169529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Revised: 12/06/2023] [Accepted: 12/18/2023] [Indexed: 01/03/2024]
Abstract
Chemical pollutants represent a leading problem for aquatic ecosystems, as they can induce genetic, biochemical, and physiological changes in the species of these ecosystems, thus compromising their adaptability and survival. The Capibaribe River runs through the state of Pernambuco, located in Northeastern Brazil, and passes through areas of agricultural cultivation, densely populated cities, and industrial centers, primarily textiles. Despite its importance, few ecotoxicological studies have been conducted on its environment, and knowledge about pollution patterns and their effects on its biota is still being determined. The objective of this study was to evaluate the water quality and the damage supposed to be caused by pollutants on the DNA specimens of Nile tilapia (Oreochromis niloticus) obtained from seven strategic points of Capibaribe. Tilapia specimens and water were collected during the rainy and dry seasons from 2015 to 2017. The following characteristics were analyzed: physicochemical (six), metal concentration (seven), local pluviosity, micronuclei, and comet assay. The physicochemical and heavy metal analyses were exploratory, whereas the ecotoxicological analyses were hypothetical. To verify this hypothesis, we compared the groups of fish collected to the results of the micronuclei test and comet assay. We created a Structural Equation Model (SEM) to determine how each metal's micronuclei variables, damage index, pluviosity, and concentration were related. Our results demonstrated that the highest values for markers of genetic damage were detected at points with the highest heavy metal concentrations, especially iron, zinc, manganese, chromium, and cadmium. The SEM demonstrated that metals could explain the findings of the genotoxicity markers. Moreover, other pollutants, such as pesticides, should be considered, mainly where the river passes through rural areas. The results presented here demonstrate that the Capibaribe River has different degrees of contamination and confirm our hypothesis.
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Affiliation(s)
- Jordany Gomes da Silva
- Laboratório de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de Pernambuco - UFPE, Recife, PE, Brazil.
| | - Cristiano Aparecido Chagas
- Laboratório de Ciências Morfológicas e Moleculares, Universidade Federal de Pernambuco (UFPE - CAV), Vitória de Santo Antão, Pernambuco, Brazil.
| | | | - Marlyete Chagas de Araújo
- Laboratório de Enzimologia, Departamento de Bioquímica, Universidade Federal de Pernambuco - UFPE, Recife, PE, Brazil
| | | | - André Maurício Melo Santos
- Laboratório de Biodiversidade, Universidade Federal de Pernambuco (UFPE - CAV), Vitória de Santo Antão, PE, Brazil.
| | | | | | - Rosner Henrique Alves Rodrigues
- Instituto para Redução de Riscos e Desastres de Pernambuco -IRRD, Universidade Federal Rural de Pernambuco - UFRPE, Núcleo de Geoprocessamento e Sensoriamento Remoto - GEOSERE, Recife, PE, Brazil
| | - Hernande Pereira da Silva
- Instituto para Redução de Riscos e Desastres - IRRD/UFRPE, Núcleo de Geoprocessamento e Sensoriamento Remoto - GEOSERE/UFRPE, Recife, PE, Brazil.
| | - Guilherme Malafaia
- Laboratory of Toxicology Applied to the Environment, Goiano Federal Institute, Urutaí Campus, Rodovia Geraldo Silva Nascimento, 2.5 km, Zona Rural, Urutaí, GO, Brazil.
| | - Ranilson de Souza Bezerra
- Universidade Federal de Pernambuco - UFPE, Centro de Biociências, Departamento de Bioquímica, Laboratório de Enzimologia, Cidade Universitária, Recife, PE, Brazil.
| | - Maria Betânia Melo de Oliveira
- Laboratório de Biologia Molecular, Departamento de Bioquímica, Universidade Federal de Pernambuco - UFPE, Recife, PE, Brazil.
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Latif F, Iqbal R, Ambreen F, Kousar S, Ahmed T, Aziz S. Studies on bioaccumulation patterns, biochemical and genotoxic effects of copper on freshwater fish, Catla catla: an in vivo analysis. BRAZ J BIOL 2024; 84:e256905. [DOI: 10.1590/1519-6984.256905] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 11/10/2021] [Indexed: 11/22/2022] Open
Abstract
Abstract During present study, the copper (Cu) mediated oxidative stress was measured that induced DNA damage by concentrating in the tissues of fish, Catla catla (14.45±1.24g; 84.68±1.45mm) (Hamilton,1822). Fish fingerlings were retained in 5 groups for 14, 28, 42, 56, 70 and 84 days of the exposure period. They were treated with 2/3, 1/3, 1/4 and 1/5 (T1-T4) of 96h lethal concentration of copper. Controls were run along with all the treatments for the same durations. A significant (p < 0.05) dose and time dependent concentration of Cu was observed in the gills, liver, kidney, muscles, and brain of C. catla. Among organs, the liver showed a significantly higher concentration of Cu followed by gills, kidney, brain, and muscles. Copper accumulation in these organs caused a significant variation in the activities of enzymes viz. superoxide dismutase (SOD), catalase (CAT) and peroxidase (POD). The SOD activity varied significantly in response to the exposure time of Cu as 56 > 70 > 42 > 84 > 28 > 14 days while CAT activity exhibited an inverse relationship with the increase in Cu concentration. POD activity showed a significant rise with an increase in Cu exposure duration. Comet assay exhibited significant DNA damage in the peripheral erythrocytes of Cu exposed C. catla. Among four exposure concentrations, 2/3rd of LC50 (T1) caused significantly higher damage to the nuclei compared to control. Increased POD and SOD activity, as well as a decrease in CAT activity in response to Cu, demonstrates the involvement of a protective mechanism against reactive oxygen species (ROS), whereas increased ROS resulted in higher DNA damage. These above-mentioned molecular markers can be efficiently used for the biomonitoring of aquatic environments and conservation of edible fish fauna.
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Affiliation(s)
- F. Latif
- Bahauddin Zakariya University, Pakistan
| | - R. Iqbal
- Bahauddin Zakariya University, Pakistan
| | - F. Ambreen
- Government College Women University, Pakistan
| | - S. Kousar
- Government College Women University, Pakistan
| | - T. Ahmed
- Khwaja Fareed University of Engineering and Information Technology, Pakistan
| | - S. Aziz
- University of Agriculture, Pakistan
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Mathur M, Rawat N, Saxena T, Khandelwal R, Jain N, Sharma MK, Mohan MK, Bhatnagar P, Flora SJS, Kaushik P. Effect of Arsenic on Fluoride Tolerance in Microbacterium paraoxydans Strain IR-1. TOXICS 2023; 11:945. [PMID: 37999597 PMCID: PMC10675054 DOI: 10.3390/toxics11110945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Revised: 10/30/2023] [Accepted: 11/09/2023] [Indexed: 11/25/2023]
Abstract
Fluoride (F) and arsenic (As) are two major contaminants of water and soil systems around the globe, causing potential toxicity to humans, plants, animals, and microbes. These contaminated soil systems can be restored by microorganisms that can tolerate toxic stress and provide rapid mineralization of soil, organic matter, and contaminants, using various tolerance mechanisms. Thus, the present study was undertaken with the arsenic hyper-tolerant bacterium Microbacterium paraoxydans strain IR-1 to determine its tolerance and toxicity to increasing doses of fluoride, either individually or in combination with arsenic, in terms of growth inhibition using a toxicity unit model. The minimum inhibitory concentration (MIC)and half maximal inhibitory concentration (IC50) values for fluoride increased, from 9 g/L to 11 g/L and from 5.91 ± 0.1 g/L to 6.32 ± 0.028 g/L, respectively, in the combination (F + As) group. The statistical comparison of observed and expected additive toxicities, with respect to toxicity unit (TU difference), using Student's t-test, was found to be highly significant (p < 0.001). This suggests the antagonistic effect of arsenic on fluoride toxicity to the strain IR-1. The unique stress tolerance of IR-1 ensures its survival as well as preponderance in fluoride and arsenic co-contaminated sites, thus paving the way for its possible application in the natural or artificial remediation of toxicant-exposed degraded soil systems.
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Affiliation(s)
- Megha Mathur
- Applied Microbiology Laboratory, Centre for Rural Development and Technology, Indian Institute of Technology, Delhi 110016, India;
| | - Neha Rawat
- Department of Life Sciences, IIS University, Mansarovar, Jaipur 302020, India (P.B.)
| | - Tanushree Saxena
- Department of Life Sciences, IIS University, Mansarovar, Jaipur 302020, India (P.B.)
| | - Renu Khandelwal
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur 302004, India
| | - Neha Jain
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur 302004, India
| | - Mukesh K. Sharma
- Department of Zoology, S.P.C., Government College, Ajmer 305001, India
| | - Medicherla K. Mohan
- Department of Biotechnology and Bioinformatics, Birla Institute of Scientific Research, C Scheme, Jaipur 302001, India;
| | - Pradeep Bhatnagar
- Department of Life Sciences, IIS University, Mansarovar, Jaipur 302020, India (P.B.)
| | - Swaran J. S. Flora
- National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow 226002, India
| | - Pallavi Kaushik
- Centre for Advanced Studies, Department of Zoology, University of Rajasthan, Jaipur 302004, India
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Raudonytė-Svirbutavičienė E, Jokšas K, Stakėnienė R, Rybakovas A, Nalivaikienė R, Višinskienė G, Arbačiauskas K. Pollution patterns and their effects on biota within lotic and lentic freshwater ecosystems: How well contamination and response indicators correspond? ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 335:122294. [PMID: 37544404 DOI: 10.1016/j.envpol.2023.122294] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 07/04/2023] [Accepted: 07/29/2023] [Indexed: 08/08/2023]
Abstract
Aquatic environments are often severely polluted with chemical substances of anthropogenic origin, which can pose a potential threat to aquatic organisms and human health. In this study, patterns and sources of heavy metals (HMs, 6 metals) and polycyclic aromatic hydrocarbons (PAHs, 16 hydrocarbons), contamination indicators, environmental genotoxicity measures and metrics of ecological status in lotic and lentic ecosystems were collated for the first time. Chemical analysis has confirmed previously reported long-term contamination at certain study sites. The sediments of Lake Talkša, located in a city and characterized by exclusive anthropogenic pressure, exhibited the highest levels of contamination by both HMs and PAHs. Through positive matrix factorization (PMF) analysis, vehicle and industrial emissions were identified as the primary sources of HMs and PAHs. Our results revealed that frequencies of genotoxic aberrations were higher in river sites compared to lakes, with the highest genotoxic risk observed in the Nemunas River below industrial cities Alytus and Kaunas. Surprisingly, even the severely contaminated Lake Talkša showed only a "moderate" grade of genotoxic risk, highlighting the potential for adaptation of biota to long-term contamination especially in lentic ecosystems. The ecological quality status assessed by macroinvertebrate metrics, which may be sensitive to observed high biological contamination, appeared to be unrelated to contamination patterns. Consequently, to obtain the robust information on anthropogenic contamination and its effects, a combination of various assessment methods and metrics should be employed.
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Affiliation(s)
| | - Kęstutis Jokšas
- Nature Research Centre, Akademijos St. 2, 08412, Vilnius, Lithuania; Vilnius University, Faculty of Chemistry and Geosciences, Naugarduko St. 24, LT-03225, Vilnius, Lithuania.
| | - Rimutė Stakėnienė
- Nature Research Centre, Akademijos St. 2, 08412, Vilnius, Lithuania.
| | | | - Reda Nalivaikienė
- Nature Research Centre, Akademijos St. 2, 08412, Vilnius, Lithuania.
| | | | - Kęstutis Arbačiauskas
- Nature Research Centre, Akademijos St. 2, 08412, Vilnius, Lithuania; Vilnius University, Life Sciences Center, 7 Saulėtekio Ave, LT- 10257 Vilnius, Lithuania.
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Sundhar S, Shakila RJ, Shalini R, Aanand S, Jayakumar N. Spatial distribution and seasonal variation of pesticide residues in the sediment, seawater, and edible seaweeds: Environmental and human health risk assessment. MARINE POLLUTION BULLETIN 2023; 194:115435. [PMID: 37633026 DOI: 10.1016/j.marpolbul.2023.115435] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 08/15/2023] [Accepted: 08/17/2023] [Indexed: 08/28/2023]
Abstract
This study evaluates the distribution of pesticide residues (PRs) and assesses the ecological and human health risks posed by them from seawater, sediment and edible seaweeds in the Gulf of Mannar. Results showed that hexachlorocyclohexane, heptachlor, aldrin, endrin and endosulfan were the predominant PRs. The maximum concentration of PRs was observed in the monsoon and post-monsoon seasons. Their concentrations in sediment exceeded interim sediment quality guidelines, indicating significant risks to benthic organisms. Except for endrin, the presence of other organochlorine pesticides (OCPs) was below the maximum residual limit. Human health risk assessment revealed that the estimated daily intake of PRs through seaweeds was below the acceptable daily intake. The hazard quotient and hazard ratio were <1, implying that the study seaweeds do not pose significant health risks. The presence of endrin in edible seaweeds, however, indicates safety concerns for consumers and the continued use of banned OCPs in agriculture.
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Affiliation(s)
- Shanmugam Sundhar
- Department of Fish Quality Assurance and Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU), Tuticorin 628 008, Tamil Nadu, India.
| | - Robinson Jeya Shakila
- Department of Fish Quality Assurance and Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU), Tuticorin 628 008, Tamil Nadu, India.
| | - Rajendran Shalini
- Department of Fish Quality Assurance and Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU), Tuticorin 628 008, Tamil Nadu, India
| | - Samraj Aanand
- Erode Bhavanisagar Centre for Sustainable Aquaculture, Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU), Erode 638 451, Tamil Nadu, India
| | - Natarajan Jayakumar
- Department of Fisheries Biology and Resource Management, Fisheries College and Research Institute, Tamil Nadu Dr. J. Jayalalithaa Fisheries University (TNJFU), Tuticorin 628 008, Tamil Nadu, India
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Schäfer RB, Jackson M, Juvigny-Khenafou N, Osakpolor SE, Posthuma L, Schneeweiss A, Spaak J, Vinebrooke R. Chemical Mixtures and Multiple Stressors: Same but Different? ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:1915-1936. [PMID: 37036219 DOI: 10.1002/etc.5629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 04/01/2023] [Accepted: 04/04/2023] [Indexed: 05/19/2023]
Abstract
Ecosystems are strongly influenced by multiple anthropogenic stressors, including a wide range of chemicals and their mixtures. Studies on the effects of multiple stressors have largely focussed on nonchemical stressors, whereas studies on chemical mixtures have largely ignored other stressors. However, both research areas face similar challenges and require similar tools and methods to predict the joint effects of chemicals or nonchemical stressors, and frameworks to integrate multiple chemical and nonchemical stressors are missing. We provide an overview of the research paradigms, tools, and methods commonly used in multiple stressor and chemical mixture research and discuss potential domains of cross-fertilization and joint challenges. First, we compare the general paradigms of ecotoxicology and (applied) ecology to explain the historical divide. Subsequently, we compare methods and approaches for the identification of interactions, stressor characterization, and designing experiments. We suggest that both multiple stressor and chemical mixture research are too focused on interactions and would benefit from integration regarding null model selection. Stressor characterization is typically more costly for chemical mixtures. While for chemical mixtures comprehensive classification systems at suborganismal level have been developed, recent classification systems for multiple stressors account for environmental context. Both research areas suffer from rather simplified experimental designs that focus on only a limited number of stressors, chemicals, and treatments. We discuss concepts that can guide more realistic designs capturing spatiotemporal stressor dynamics. We suggest that process-based and data-driven models are particularly promising to tackle the challenge of prediction of effects of chemical mixtures and nonchemical stressors on (meta-)communities and (meta-)food webs. We propose a framework to integrate the assessment of effects for multiple stressors and chemical mixtures. Environ Toxicol Chem 2023;42:1915-1936. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Ralf B Schäfer
- Institute for Environmental Sciences, Rheinland-Pfälzische Technische Univerität Kaiserslautern-Landau, Landau, Germany
| | | | - Noel Juvigny-Khenafou
- Institute for Environmental Sciences, Rheinland-Pfälzische Technische Univerität Kaiserslautern-Landau, Landau, Germany
| | - Stephen E Osakpolor
- Institute for Environmental Sciences, Rheinland-Pfälzische Technische Univerität Kaiserslautern-Landau, Landau, Germany
| | - Leo Posthuma
- Centre for Sustainability, Environment and Health, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands
- Department of Environmental Science, Radboud University, Nijmegen, The Netherlands
| | - Anke Schneeweiss
- Institute for Environmental Sciences, Rheinland-Pfälzische Technische Univerität Kaiserslautern-Landau, Landau, Germany
| | - Jürg Spaak
- Institute for Environmental Sciences, Rheinland-Pfälzische Technische Univerität Kaiserslautern-Landau, Landau, Germany
| | - Rolf Vinebrooke
- Department of Biological Sciences, University of Alberta, Edmonton, Alberta, Canada
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Dutta S, Sengupta P, Bagchi S, Chhikara BS, Pavlík A, Sláma P, Roychoudhury S. Reproductive toxicity of combined effects of endocrine disruptors on human reproduction. Front Cell Dev Biol 2023; 11:1162015. [PMID: 37250900 PMCID: PMC10214012 DOI: 10.3389/fcell.2023.1162015] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/27/2023] [Indexed: 05/31/2023] Open
Abstract
Confluence of environmental, genetic, and lifestyle variables is responsible for deterioration of human fecundity. Endocrine disruptors or endocrine disrupting chemicals (EDCs) may be found in a variety of foods, water, air, beverages, and tobacco smoke. It has been demonstrated in experimental investigations that a wide range of endocrine disrupting chemicals have negative effects on human reproductive function. However, evidence on the reproductive consequences of human exposure to endocrine disrupting chemicals is sparse and/or conflicting in the scientific literature. The combined toxicological assessment is a practical method for assessing the hazards of cocktails of chemicals, co-existing in the environment. The current review provides a comprehensive overview of studies emphasizing the combined toxicity of endocrine disrupting chemicals on human reproduction. Endocrine disrupting chemicals interact with each other to disrupt the different endocrine axes, resulting in severe gonadal dysfunctions. Transgenerational epigenetic effects have also been induced in germ cells, mostly through DNA methylation and epimutations. Similarly, after acute or chronic exposure to endocrine disrupting chemicals combinations, increased oxidative stress (OS), elevated antioxidant enzymatic activity, disrupted reproductive cycle, and reduced steroidogenesis are often reported consequences. The article also discusses the concentration addition (CA) and independent action (IA) prediction models, which reveal the importance of various synergistic actions of endocrine disrupting chemicals mixtures. More crucially, this evidence-based study addresses the research limitations and information gaps, as well as particularly presents the future research views on combined endocrine disrupting chemicals toxicity on human reproduction.
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Affiliation(s)
- Sulagna Dutta
- School of Medical Sciences, Bharath Institute of Higher Education and Research (BIHER), Chennai, Tamil Nadu, India
| | - Pallav Sengupta
- Department of Biomedical Sciences, College of Medicine, Gulf Medical University, Ajman, United Arab Emirates
| | - Sovan Bagchi
- Department of Biomedical Sciences, College of Medicine, Gulf Medical University, Ajman, United Arab Emirates
| | - Bhupender S. Chhikara
- Molecular Medicinal and Material NanoChemistry Laboratory, Department of Chemistry, Aditi Mahavidyalaya, University of Delhi, Delhi, India
| | - Aleš Pavlík
- Laboratory of Animal Physiology, Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
| | - Petr Sláma
- Laboratory of Animal Immunology and Biotechnology, Department of Animal Morphology, Physiology and Genetics, Faculty of AgriSciences, Mendel University in Brno, Brno, Czechia
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Shah ZU, Parveen S. Distribution and risk assessment of pesticide residues in sediment samples from river Ganga, India. PLoS One 2023; 18:e0279993. [PMID: 36730256 PMCID: PMC9894440 DOI: 10.1371/journal.pone.0279993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 12/19/2022] [Indexed: 02/03/2023] Open
Abstract
Indiscriminate use of pesticides leads to their entry in to the bottom sediments, where they are absorbed in the sediment's particle and thus, may become the consistent source of aquatic pollution. The present work was carried out to evaluate pesticide residues in the sediment samples and associated human health risk of commonly used pesticides along the basin of river Ganga. Total of 16 pesticides were analyzed along three stretches of river Ganga. The concentration of pesticides in the upper stretch ranged from ND to 0.103 μg/kg, in the middle stretch ND to 0.112 μg/kg, and in the lower stretch ND to 0.105 μg/kg. Strong positive correlation was found between total organic carbon and total pesticide residues in sediment samples. Carcinogenic and non-carcinogenic values were estimated below the threshold limit suggesting no associated risk. Risks associated with the inhalation route of exposure were found to be higher than the dermal and ingestion routes. Children were found at higher risk at each site from multiple routes of exposure than adult population groups. Toxic unit values were found to be below the threshold value suggesting no risk associated with exposure of pesticides from sediments. However, long term effects on ecological quality due to consistent pesticide exposure must not be ignored. Therefore, the present study focuses on concrete efforts like lowering the irrational used of pesticides, tapping of agricultural and domestic drains, advice to farmers for appropriate use of pesticide doses, to reduce the threat of pesticide pollution in the river system and possible human health risk.
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Affiliation(s)
- Zeshan Umar Shah
- Department of Zoology, Limnology Research Laboratory, Aligarh Muslim University, Aligarh, India
- * E-mail:
| | - Saltanat Parveen
- Department of Zoology, Limnology Research Laboratory, Aligarh Muslim University, Aligarh, India
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11
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Wlodkowic D, Jansen M. High-throughput screening paradigms in ecotoxicity testing: Emerging prospects and ongoing challenges. CHEMOSPHERE 2022; 307:135929. [PMID: 35944679 DOI: 10.1016/j.chemosphere.2022.135929] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 06/09/2022] [Accepted: 07/31/2022] [Indexed: 06/15/2023]
Abstract
The rapidly increasing number of new production chemicals coupled with stringent implementation of global chemical management programs necessities a paradigm shift towards boarder uses of low-cost and high-throughput ecotoxicity testing strategies as well as deeper understanding of cellular and sub-cellular mechanisms of ecotoxicity that can be used in effective risk assessment. The latter will require automated acquisition of biological data, new capabilities for big data analysis as well as computational simulations capable of translating new data into in vivo relevance. However, very few efforts have been so far devoted into the development of automated bioanalytical systems in ecotoxicology. This is in stark contrast to standardized and high-throughput chemical screening and prioritization routines found in modern drug discovery pipelines. As a result, the high-throughput and high-content data acquisition in ecotoxicology is still in its infancy with limited examples focused on cell-free and cell-based assays. In this work we outline recent developments and emerging prospects of high-throughput bioanalytical approaches in ecotoxicology that reach beyond in vitro biotests. We discuss future importance of automated quantitative data acquisition for cell-free, cell-based as well as developments in phytotoxicity and in vivo biotests utilizing small aquatic model organisms. We also discuss recent innovations such as organs-on-a-chip technologies and existing challenges for emerging high-throughput ecotoxicity testing strategies. Lastly, we provide seminal examples of the small number of successful high-throughput implementations that have been employed in prioritization of chemicals and accelerated environmental risk assessment.
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Affiliation(s)
- Donald Wlodkowic
- The Neurotox Lab, School of Science, RMIT University, Melbourne, VIC, 3083, Australia.
| | - Marcus Jansen
- LemnaTec GmbH, Nerscheider Weg 170, 52076, Aachen, Germany
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12
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Inkaya EN, Barlas N. Investigation of combined effects of propyl paraben and methyl paraben on the hypothalamic-pituitary-adrenal axis in male rats. Toxicol Ind Health 2022; 38:687-701. [PMID: 36066884 DOI: 10.1177/07482337221117652] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The aim of this study was to investigate the endocrine-disrupting effects of methyl paraben (MeP) and propyl paraben (PrP) mixture on the hypothalamic-pituitary-adrenal axis (HPA). In this study, six experimental groups were designated. These groups included three control groups (control, corn oil control, and positive control (50 mg/kg/day BPA)) and three dose groups (10, 100, and 500 mg/kg/day MeP+PrP). MeP with PrP were mixed in a 1:1 ratio and administered to the 42-day-old male rats by oral gavage for 30 days. At the end of the experiment, adrenocorticotropic hormone (ACTH), corticosterone and aldosterone hormones were analyzed in serum. Effects of MeP+PrP on the adrenal glands were investigated by immunohistochemical staining of 11ß hydroxylase (CYP11B1) and aldosterone synthase (CYP11B2) enzymes involved in the synthesis steps of corticosterone and aldosterone. Also, pituitary and adrenal glands were examined histopathologically. In the histopathological findings, cortical nodule, congestion, and edema were found in the tissues. In the pituitary gland, cytokeratin rings were detected in all MeP+PrP dose groups, supporting the increase of corticosterone and ACTH. Serum corticosterone, aldosterone, and ACTH hormone levels were increased in the 100 mg/kg/day MeP+PrP and BPA groups. Results obtained from immunohistochemical staining showed that increased staining parallelled increased corticosterone and aldosterone hormone levels. In summary, the results showed that exposure to the MeP+PrP mixture caused a significant increase in ACTH and corticosterone. Also, the MeP+PrP mixture caused a significant increase of CYP11B1 and CYP11B2. MeP+PrP exposure disrupts the normal HPA axis.
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Affiliation(s)
- Eda Nur Inkaya
- Faculty of Science, Department of Biology, 198375Hacettepe University, Ankara, Turkey
| | - Nurhayat Barlas
- Faculty of Science, Department of Biology, 198375Hacettepe University, Ankara, Turkey
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13
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Machate O, Schmeller DS, Loyau A, Paschke A, Krauss M, Carmona E, Schulze T, Moyer A, Lutz K, Brack W. Complex chemical cocktail, containing insecticides diazinon and permethrin, drives acute toxicity to crustaceans in mountain lakes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 828:154456. [PMID: 35283126 DOI: 10.1016/j.scitotenv.2022.154456] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/04/2022] [Accepted: 03/06/2022] [Indexed: 06/14/2023]
Abstract
Mountain lakes have long been perceived as pristine environments. However, atmospheric deposition of persistent organic pollutants (POPs) have been shown to expose these sensitive ecosystems to chemical pollution. Little is known on how this pollution impacts aquatic ecosystems at high altitudes. We combined passive sampling with liquid and gas chromatography high resolution mass spectrometry (LC- and GC-HRMS) to screen the water of eight lakes in three different regions of the French Pyrenees. In total, we screened for 479 organic chemicals including POPs, polycyclic aromatic hydrocarbons (PAHs), legacy and current-use pesticides, biocides, and musk fragrances. We detected a complex cocktail of 151 individual chemicals and used their toxic unit summation (ΣTU) to assess toxicity for crustaceans and algae. While risks for algae never reached chronic risks, this was always the case for crustaceans. Acute toxic risk thresholds for crustaceans were even exceeded in several of our sites. At sites with acute toxic risk levels (> 0.1 ΣTU) crustaceans were completely absent or showed a low abundance. We conclude that crustaceans were at least partly impacted by the high toxic risks driven by the insecticides diazinon and permethrin. These drugs are widely used to protect livestock from blue tongue disease transmitted by sucking insects, suggesting free roaming livestock as local source. Our results provide important evidence on toxic chemical pollution in relatively remote mountain areas, with important consequences for aquatic mountain ecosystems.
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Affiliation(s)
- Oliver Machate
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany; University of Leipzig, Department of Biology, Johannisallee 21-23, 04103 Leipzig, Germany
| | - Dirk S Schmeller
- Laboratoire écologie fonctionnelle et environnement, Université de Toulouse, Toulouse INP, Université Toulouse 3 - Paul Sabatier (UPS), Toulouse, France.
| | - Adeline Loyau
- Laboratoire écologie fonctionnelle et environnement, Université de Toulouse, Toulouse INP, Université Toulouse 3 - Paul Sabatier (UPS), Toulouse, France; Department of Experimental Limnology, Leibniz-Institute of Freshwater Ecology and Inland Fisheries (IGB), Alte Fischerhütte 2, Stechlin D-16775, Germany.
| | - Albrecht Paschke
- Helmholtz Centre for Environmental Research - UFZ, Department of Ecological Chemistry, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Martin Krauss
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Eric Carmona
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Tobias Schulze
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany.
| | - Alessandra Moyer
- Department of Biology, San Francisco State University, San Francisco, CA 94132-1722, United States of America
| | - Kurt Lutz
- Department of Biology, San Francisco State University, San Francisco, CA 94132-1722, United States of America
| | - Werner Brack
- Helmholtz Centre for Environmental Research - UFZ, Department of Effect Directed Analysis, Permoserstrasse 15, 04318 Leipzig, Germany; Goethe University Frankfurt, Department of Evolutionary Ecology and Environmental Toxicology, Max-von-Laue-Strasse, 13, 60438 Frankfurt am Main, Germany.
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14
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Larras F, Charles S, Chaumot A, Pelosi C, Le Gall M, Mamy L, Beaudouin R. A critical review of effect modeling for ecological risk assessment of plant protection products. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:43448-43500. [PMID: 35391640 DOI: 10.1007/s11356-022-19111-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 02/03/2022] [Indexed: 06/14/2023]
Abstract
A wide diversity of plant protection products (PPP) is used for crop protection leading to the contamination of soil, water, and air, which can have ecotoxicological impacts on living organisms. It is inconceivable to study the effects of each compound on each species from each compartment, experimental studies being time consuming and cost prohibitive, and animal testing having to be avoided. Therefore, numerous models are developed to assess PPP ecotoxicological effects. Our objective was to provide an overview of the modeling approaches enabling the assessment of PPP effects (including biopesticides) on the biota. Six categories of models were inventoried: (Q)SAR, DR and TKTD, population, multi-species, landscape, and mixture models. They were developed for various species (terrestrial and aquatic vertebrates and invertebrates, primary producers, micro-organisms) belonging to diverse environmental compartments, to address different goals (e.g., species sensitivity or PPP bioaccumulation assessment, ecosystem services protection). Among them, mechanistic models are increasingly recognized by EFSA for PPP regulatory risk assessment but, to date, remain not considered in notified guidance documents. The strengths and limits of the reviewed models are discussed together with improvement avenues (multigenerational effects, multiple biotic and abiotic stressors). This review also underlines a lack of model testing by means of field data and of sensitivity and uncertainty analyses. Accurate and robust modeling of PPP effects and other stressors on living organisms, from their application in the field to their functional consequences on the ecosystems at different scales of time and space, would help going toward a more sustainable management of the environment. Graphical Abstract Combination of the keyword lists composing the first bibliographic query. Columns were joined together with the logical operator AND. All keyword lists are available in Supplementary Information at https://doi.org/10.5281/zenodo.5775038 (Larras et al. 2021).
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Affiliation(s)
- Floriane Larras
- INRAE, Directorate for Collective Scientific Assessment, Foresight and Advanced Studies, Paris, 75338, France
| | - Sandrine Charles
- University of Lyon, University Lyon 1, CNRS UMR 5558, Laboratory of Biometry and Evolutionary Biology, Villeurbanne Cedex, 69622, France
| | - Arnaud Chaumot
- INRAE, UR RiverLy, Ecotoxicology laboratory, Villeurbanne, F-69625, France
| | - Céline Pelosi
- Avignon University, INRAE, UMR EMMAH, Avignon, 84000, France
| | - Morgane Le Gall
- Ifremer, Information Scientifique et Technique, Bibliothèque La Pérouse, Plouzané, 29280, France
| | - Laure Mamy
- Université Paris-Saclay, INRAE, AgroParisTech, UMR ECOSYS, Thiverval-Grignon, 78850, France
| | - Rémy Beaudouin
- Ineris, Experimental Toxicology and Modelling Unit, UMR-I 02 SEBIO, Verneuil en Halatte, 65550, France.
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15
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Jabiol J, Chauvet E, Guérold F, Bouquerel J, Usseglio-Polatera P, Artigas J, Margoum C, Le Dréau M, Moreira A, Mazzella N, Gouy V. The combination of chemical, structural, and functional indicators to evaluate the anthropogenic impacts on agricultural stream ecosystems. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:29296-29313. [PMID: 34647214 DOI: 10.1007/s11356-021-16925-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Accepted: 10/03/2021] [Indexed: 06/13/2023]
Abstract
Freshwater contamination by pesticides in agricultural landscapes is of increasing concern worldwide, with strong pesticide impacts on biodiversity, ecosystem functions, and ultimately human health (drinking water, fishing). In addition, the excessively large number of substances, as well as their low - and temporally variable - concentrations in water, make the chemical monitoring by grab sampling very demanding and not fully representative of the actual contamination. Tools that integrate temporal variations and that are ecologically relevant are clearly needed to improve the monitoring of freshwater contamination and assess its biological effects. Here, we studied pesticide contamination and its biological impacts in 10 stream sections (sites) belonging to 3 agricultural catchments in France. In each site, we deployed a combination of pesticide integrative samplers, biocenotic indicators based on benthic macroinvertebrates, and functional indicators based on leaf litter decomposition and associated fungal communities. The 3 approaches largely proved complementary: structural and functional indicators did not respond equally to different agricultural impacts such as pesticide contamination (as revealed by integrative samplers), nutrients, or oxygen depletion. Combining chemical, structural, and functional indicators thus seems an excellent strategy to provide a comprehensive picture of agricultural impacts on stream ecosystems.
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Affiliation(s)
- Jérémy Jabiol
- HYFE (Hydrobiologie Et Fonctionnement Des Ecosystèmes), Elven, France.
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, Toulouse, France.
- LIEC (Laboratoire Interdisciplinaire Des Environnements Continentaux), Université de Lorraine, CNRS, Metz, France.
- Laboratoire Microorganismes : Génome Et Environnement (LMGE), Université Clermont Auvergne, CNRS, Clermont-Ferrand, France.
| | - Eric Chauvet
- Laboratoire Ecologie Fonctionnelle et Environnement, Université de Toulouse, CNRS, INPT, Toulouse, France
| | - François Guérold
- LIEC (Laboratoire Interdisciplinaire Des Environnements Continentaux), Université de Lorraine, CNRS, Metz, France
| | - Jonathan Bouquerel
- LIEC (Laboratoire Interdisciplinaire Des Environnements Continentaux), Université de Lorraine, CNRS, Metz, France
| | - Philippe Usseglio-Polatera
- LIEC (Laboratoire Interdisciplinaire Des Environnements Continentaux), Université de Lorraine, CNRS, Metz, France
| | - Joan Artigas
- Laboratoire Microorganismes : Génome Et Environnement (LMGE), Université Clermont Auvergne, CNRS, Clermont-Ferrand, France
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16
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Omotola EO, Oluwole AO, Oladoye PO, Olatunji OS. Occurrence, detection and ecotoxicity studies of selected pharmaceuticals in aqueous ecosystems- a systematic appraisal. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2022; 91:103831. [PMID: 35151848 DOI: 10.1016/j.etap.2022.103831] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 01/31/2022] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
Pharmaceutical compounds (PCs) have globally emerged as a significant group of environmental contaminants due to the constant detection of their residues in the environment. The main scope of this review is to fill the void of information on the knowledge on the African occurrence of selected PCs in environmental matrices in comparison with those outside Africa and their respective toxic actions on both aquatic and non-aquatic biota through ecotoxicity bioassays. To achieve this objective, the study focused on commonly used and detected pharmaceutical drugs (residues). Based on the conducted literature survey, Africa has the highest levels of ciprofloxacin, sulfamethoxazole, lamivudine, acetaminophen, and diclofenac while Europe has the lowest of all these PC residues in her physical environments. For ecotoxicity bioassays, the few data available are mostly on individual groups of pharmaceuticals whereas there is sparsely available data on their combined forms.
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Affiliation(s)
- Elizabeth Oyinkansola Omotola
- School of Chemistry and Physics, University of KwaZulu-Natal, Durban 4000, South Africa; Department of Chemical Sciences, Tai Solarin University of Education, Ijebu Ode PMB 2118, Ogun State, Nigeria.
| | | | - Peter Olusakin Oladoye
- Department of Chemistry and Biochemistry, Florida International University, 11200 SW 8th St, Miami, FL 33199, United States
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17
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Téllez AAC, Sánchez-Fortún S, Sánchez-Fortún A, García-Pérez ME, Chacon-Garcia L, Bartolomé MC. Prediction of the impact induced by Cd in binary interactions with other divalent metals on wild-type and Cd-resistant strains of Dictyosphaerium chlorelloides. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:22555-22565. [PMID: 34791630 DOI: 10.1007/s11356-021-17372-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 11/01/2021] [Indexed: 06/13/2023]
Abstract
The metals present in freshwater have a toxic profile with bioaccumulation and are biomagnified along the aquatic food chain. The metals induce high sensitivity in most aquatic organisms, while others, such as some microalgae species, evolve towards resistance. Therefore, this research predicted through the Combination Index method the binary interaction exposed to divalent metals by inhibiting population growth in a Cd-resistant strain (DcRCd100) compared to the wild-type strain (Dc1Mwt) of Dictyosphaerium chlorelloides and evaluate the specific resistance level obtained by DcRCd100 to Cd relative to other divalent metals.The results showed that DcRCd100 presents resistance compared to Dc1Mwt in individual exposure in the order of Fe2+ > Ni2+ > Cd2+ > Co2+ > Zn2+ > Cu2+ > Hg2+ with 50% inhibitory concentration at 72 h of exposure (IC50(72)) values 1253, 644.4, 423, 162.7, 141.3, 35.1, and 9.9 µM, respectively. It induces cross-resistance with high antagonistic rates (Combination Index (CI); CI > > 1) in the Cd/Zn and Cd/Cu. Cd/Ni, its initial response, is antagonistic, and it ends in an additive (CI = 1). DcRCd100 showed a lower resistance in Co, and Cd/Fe resistance was reduced individually. The interaction with Hg increased its resistance ten times more than individually.This research highlights the use of the CI as a highly efficient prediction method of the binary metal interactions in wild-type and Cd-resistant strains of D. chlorelloides. It may have the potential for metal accumulation, allowing the development of new methods of bioremediation of metals in effluents, and to monitor the concentration of metals in wastewater, its relative availability, transport, and mechanisms on resistant strains of microalgae.
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Affiliation(s)
- Alondra A Cortés Téllez
- Department of Pharmacology and Toxicology, Universidad Complutense de Madrid (UCM), Puerta de Hierro Ave., 28040, Madrid, Spain
| | - Sebastián Sánchez-Fortún
- Department of Pharmacology and Toxicology, Universidad Complutense de Madrid (UCM), Puerta de Hierro Ave., 28040, Madrid, Spain
| | - Ana Sánchez-Fortún
- Department of Pharmacology and Toxicology, Universidad Complutense de Madrid (UCM), Puerta de Hierro Ave., 28040, Madrid, Spain
| | - Martha-Estrella García-Pérez
- Chemical-Biological Sciences Institute, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), 403 Santiago Tapia St., 58000, Morelia (Michoacán), Mexico
| | - Luis Chacon-Garcia
- Chemical-Biological Sciences Institute, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), 403 Santiago Tapia St., 58000, Morelia (Michoacán), Mexico
| | - M Carmen Bartolomé
- Environmental Toxicology LaboratoryFaculty of Chemistry-Pharmacobiology, Universidad Michoacana de San Nicolás de Hidalgo (UMSNH), 403 Santiago Tapia St., 58000, Morelia (Michoacán), Mexico.
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18
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Road Runoff Characterization: Ecotoxicological Assessment Combined with (Non-)Target Screenings of Micropollutants for the Identification of Relevant Toxicants in the Dissolved Phase. WATER 2022. [DOI: 10.3390/w14040511] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Road runoff (RR) is an important vector of micropollutants towards groundwater and soils, threatening the environment and ecosystems. Through combined chemical and biological approaches, the purpose of this study was to get insights on specific toxicants present in RR from two sites differing by their traffic intensity and their toxicological risk assessment. Non-target screening was performed by HRMS on RR dissolved phase. Ecotoxicological risk was evaluated in a zebrafish embryos model and on rat liver mitochondrial respiratory chain. Specific HRMS fingerprints were obtained for each site, reflecting their respective traffic intensities. Several micropollutants, including 1,3-diphenylguanidine (DPG) and benzotriazole (BZT) were identified in greater concentrations at the high-traffic site. The origin of DPG was confirmed by analyzing HRMS fingerprints from shredded tires. RR samples from each site, DPG and BZT were of relatively low toxicity (no mortality) to zebrafish embryos, but all generated distinct and marked stress responses in the light–dark transition test, while DPG/BZT mixes abolished this effect. The moderate-traffic RR and DPG inhibited mitochondrial complex I. Our study highlights (i) the unpredictability of pollutants cocktail effect and (ii) the importance of a multi-approaches strategy to characterize environmental matrices, essential for their management at the source and optimization of depollution devices.
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19
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Schmitz M, Deutschmann B, Markert N, Backhaus T, Brack W, Brauns M, Brinkmann M, Seiler TB, Fink P, Tang S, Beitel S, Doering JA, Hecker M, Shao Y, Schulze T, Weitere M, Wild R, Velki M, Hollert H. Demonstration of an aggregated biomarker response approach to assess the impact of point and diffuse contaminant sources in feral fish in a small river case study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 804:150020. [PMID: 34508932 DOI: 10.1016/j.scitotenv.2021.150020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 08/25/2021] [Accepted: 08/25/2021] [Indexed: 06/13/2023]
Abstract
The assessment of the exposure of aquatic wildlife to complex environmental mixtures of chemicals originating from both point and diffuse sources and evaluating the potential impact thereof constitutes a significant step towards mitigating toxic pressure and the improvement of ecological status. In the current proof-of-concept study, we demonstrate the potential of a novel Aggregated Biomarker Response (ABR) approach involving a comprehensive set of biomarkers to identify complex exposure and impacts on wild brown trout (Salmo trutta fario). Our scenario used a small lowland river in Germany (Holtemme river in the Elbe river catchment) impacted by two wastewater treatment plants (WWTP) and diffuse agricultural runoff as a case study. The trout were collected along a pollution gradient (characterised in a parallel study) in the river. Compared to fish from the reference site upstream of the first WWTP, the trout collected downstream of the WWTPs showed a significant increase in micronucleus formation, phase I and II enzyme activities, and oxidative stress parameters in agreement with increasing exposure to various chemicals. By integrating single biomarker responses into an aggregated biomarker response, the two WWTPs' contribution to the observed toxicity could be clearly differentiated. The ABR results were supported by chemical analyses and whole transcriptome data, which revealed alterations of steroid biosynthesis and associated pathways, including an anti-androgenic effect, as some of the key drivers of the observed toxicity. Overall, this combined approach of in situ biomarker responses complemented with molecular pathway analysis allowed for a comprehensive ecotoxicological assessment of fish along the river. This study provides evidence for specific hazard potentials caused by mixtures of agricultural and WWTP derived chemicals at sublethal concentrations. Using aggregated biomarker responses combined with chemical analyses enabled an evidence-based ranking of sites with different degrees of pollution according to toxic stress and observed effects.
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Affiliation(s)
- Markus Schmitz
- Department for Evolutionary Ecology and Environmental Toxicology, Goethe University, Max-von-Laue Straße 13, 60438 Frankfurt am Main, Germany
| | - Björn Deutschmann
- Institute for Environmental Research, RWTH Aachen University, Worringer Weg 1, 52070 Aachen, Germany
| | - Nele Markert
- Institute for Environmental Research, RWTH Aachen University, Worringer Weg 1, 52070 Aachen, Germany
| | - Thomas Backhaus
- Department of Biological and Environmental Sciences, University of Gothenburg, Box 461, SE-405 30 Gothenburg, Sweden
| | - Werner Brack
- Department for Evolutionary Ecology and Environmental Toxicology, Goethe University, Max-von-Laue Straße 13, 60438 Frankfurt am Main, Germany; Helmholtz Centre for Environmental Research UFZ, Department of Effect-Directed Analysis, Permoserstr. 15, 04318 Leipzig, Germany
| | - Mario Brauns
- Helmholtz Centre for Environmental Research UFZ, Department River Ecology, Brückstraße 3a, 39114 Magdeburg, Germany
| | - Markus Brinkmann
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada; School of Environment and Sustainability and Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada
| | - Thomas-Benjamin Seiler
- Institute for Environmental Research, RWTH Aachen University, Worringer Weg 1, 52070 Aachen, Germany; Ruhr District Institute of Hygiene, Rotthauser Str. 21, 45879 Gelsenkirchen, Germany
| | - Patrick Fink
- Helmholtz Centre for Environmental Research UFZ, Department River Ecology, Brückstraße 3a, 39114 Magdeburg, Germany; Helmholtz-Centre for Environmental Research (UFZ), Department Aquatic Ecosystem Analysis and Management, Brückstraße 3a, 39114 D Magdeburg, Germany
| | - Song Tang
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada
| | - Shawn Beitel
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada
| | - Jon A Doering
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada; Department of Biological Sciences, University of Lethbridge, Lethbridge, Alberta T1K 3M4, Canada
| | - Markus Hecker
- Toxicology Centre, University of Saskatchewan, 44 Campus Dr, Saskatoon, SK S7N 5B3, Canada; School of Environment and Sustainability and Toxicology Centre, University of Saskatchewan, Saskatoon, SK, Canada
| | - Ying Shao
- Institute for Environmental Research, RWTH Aachen University, Worringer Weg 1, 52070 Aachen, Germany; Key Laboratory of the Three Gorges Reservoir Eco-environment, Ministry of Education, Chongqing University, 174 Shazheng Road Shapingba, 400045 Chongqing, PR China
| | - Tobias Schulze
- Helmholtz Centre for Environmental Research UFZ, Department of Effect-Directed Analysis, Permoserstr. 15, 04318 Leipzig, Germany
| | - Markus Weitere
- Helmholtz Centre for Environmental Research UFZ, Department River Ecology, Brückstraße 3a, 39114 Magdeburg, Germany
| | - Romy Wild
- Helmholtz Centre for Environmental Research UFZ, Department River Ecology, Brückstraße 3a, 39114 Magdeburg, Germany
| | - Mirna Velki
- Institute for Environmental Research, RWTH Aachen University, Worringer Weg 1, 52070 Aachen, Germany; Department of Biology, Josip Juraj Strossmayer University of Osijek, Ul. Cara Hadrijana 8/A, 31000 Osijek, Croatia
| | - Henner Hollert
- Department for Evolutionary Ecology and Environmental Toxicology, Goethe University, Max-von-Laue Straße 13, 60438 Frankfurt am Main, Germany; LOEWE Centre for Translational Biodiversity Genomics (LOEWE-TBG), 60325 Frankfurt am Main, Germany.
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20
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Lebrun JD, De Jesus K, Tournebize J. Individual performances and biochemical pathways as altered by field-realistic exposures of current-use fungicides and their mixtures in a non-target species, Gammarus fossarum. CHEMOSPHERE 2021; 277:130277. [PMID: 33774253 DOI: 10.1016/j.chemosphere.2021.130277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/05/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
Persistent fungicides, which are widely applied to agricultural soils to protect crops, are frequently detected in freshwaters because of hydraulic transfer, possibly resulting in unintentional adverse effects on wildlife. However, the ecotoxicity of fungicides in aquatic species remains scarcely assessed at environmentally relevant concentrations, and there is scant information available on their combined effects. This study aims at investigating multi-level changes elicited by two currently used fungicides, boscalid and tebuconazole, in the amphipod Gammarus fossarum. In microcosms, gammarids were exposed for 72 h to fungicides tested individually or in binary mixture at 0.01, 0.1 and 1.0 μg/L to monitor individual performances (locomotion, respiration and amplexus formation) and biochemical parameters (involved in energy metabolism, growth, moulting and cell stress). This range of exposure concentrations was field-realistic and largely lower than local environmental quality standards for the protection of aquatic wildlife. Overall, results showed that single and combined exposures altered the mobility and respiratory activity of individuals. At the cellular level, boscalid inhibited energy-based biomarkers whereas tebuconazole led to cytotoxicity associated with reduced antioxidant defences. In binary mixtures, the biochemical responses were mainly driven by the presence of boscalid. Multi-variable analyses, integrating individual alterations and cellular impairments alike, confirmed the relevance of the multi-level approach in forecasting the toxicity of fungicides and their mixtures towards other aquatic species. This study demonstrates dose-related sublethal effects of fungicides on multiple functional traits in an ecosystem engineer under realistic exposure scenarios, highlighting the harmful signs of these toxicants. Such sublethal alterations could thus constitute reliable tools for the early diagnosis of the organisms' health and the ecological status of agriculturally impacted hydrosystems.
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Affiliation(s)
- Jérémie D Lebrun
- University of Paris-Saclay, INRAE, UR HYCAR - Artemhys, 92761, Antony, France.
| | - Kelly De Jesus
- University of Paris-Saclay, INRAE, UR HYCAR - Artemhys, 92761, Antony, France
| | - Julien Tournebize
- University of Paris-Saclay, INRAE, UR HYCAR - Artemhys, 92761, Antony, France
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21
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Mahaye N, Leareng SK, Musee N. Cytotoxicity and genotoxicity of coated-gold nanoparticles on freshwater algae Pseudokirchneriella subcapitata. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 236:105865. [PMID: 34034204 DOI: 10.1016/j.aquatox.2021.105865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 04/30/2021] [Accepted: 05/06/2021] [Indexed: 06/12/2023]
Abstract
Gold engineered nanoparticles (nAu) are increasingly detected in ecosystems, and this raises the need to establish their potential effects on aquatic organisms. Herein, cytotoxic and genotoxic effects of branched polyethylenimine (BPEI)- and citrate (cit)-coated nAu (5, 20, and 40 nm) on algae Pseudokirchneriella subcapitata were evaluated. The apical biological endpoints: growth inhibition and chlorophyll a (Chl a) content were investigated at 62.5-1000 µg/L over 168 h. In addition, the apurinic/apyrimidinic (AP) sites, randomly amplified polymorphic deoxyribonucleic acid (RAPD) profiles, and genomic template stability (GTS) were assessed to determine the genotoxic effects of nAu. The results show algal growth inhibition at 5 nm BPEI-nAu up to 96 h, and thereafter cell recovery except at the highest concentration of 1000 µg/L. Insignificant growth reduction for cit-nAu (all sizes), as well as 20 and 40 nm BPEI-nAu, was observed over 96 h, but growth promotion was apparent at all exposures thereafter except for 40 nm BPEI-nAu at 250 µg/L. A decrease in Chl a content following exposure to 5 nm BPEI-nAu at 1000 µg/L corresponded to significant algal growth reduction. In genotoxicity studies, a significant increase in AP sites content was observed relative to the control - an indication of nAu ability to induce genotoxic effects irrespective of their size and coating type. For 5 nm- and 20 nm-sized nAu for both coating types and exposure concentrations no differences in AP sites content were observed after 72 and 168 h. However, a significant reduction in AP sites was observed following algae exposure to 40 nm-sized nAu (irrespective of coating type and exposure concentration) at 168 h compared to 72 h. Thus, AP sites results at 40 nm-size suggest likely DNA damage recovery over a longer exposure period. The findings on AP sites content showed a good correlation with an increase in genome template stability and growth promotion observed after 168 h. In addition, RAPD profiles demonstrated that nAu can induce DNA damage and/or DNA mutation to P. subcapitata as evidenced by the appearance and/or disappearance of normal bands compared to the controls. Therefore, genotoxicity results revealed significant toxicity of nAu to algae at the molecular level although no apparent effects were detectable at the morphological level. Overall, findings herein indicate that long-term exposure of P. subcapitata to low concentrations of nAu may cause undesirable sub-lethal ecological effects.
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Affiliation(s)
- Ntombikayise Mahaye
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa
| | - Samuel K Leareng
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa
| | - Ndeke Musee
- Emerging Contaminants Ecological and Risk Assessment (ECERA) Research Group, Department of Chemical Engineering, University of Pretoria, Private Bag X20, Hatfield 0028, Pretoria, South Africa.
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22
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Hamid N, Junaid M, Pei DS. Combined toxicity of endocrine-disrupting chemicals: A review. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 215:112136. [PMID: 33735605 DOI: 10.1016/j.ecoenv.2021.112136] [Citation(s) in RCA: 53] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Revised: 02/23/2021] [Accepted: 03/07/2021] [Indexed: 06/12/2023]
Abstract
The combined toxicological assessment provides a realistic approach for hazard evaluation of chemical cocktails that co-existed in the environment. This review provides a holistic insight into the studies highlighting the mixture toxicity of the endocrine-disrupting chemicals (EDCs), especially focusing on the screening of biochemical pathways and other toxicogenetic endpoints. Reviewed literature showed that numerous multiplexed toxicogenomic techniques were applied to determine reproductive effects in vertebrates, but limited studies were found in non-mammalian species after mixture chemical exposure. Further, we found that the experimental design and concentration selection are the two important parameters in mixture toxicity studies that should be time- and cost-effective, highly precise, and environmentally relevant. A summary of EDC mixtures affecting the thyroid axis, estrogen axis, androgen axis, growth stress, and immune system via in vivo bioassays was also presented. It is interesting to mention that majority of estrogenic effects of the mixtures were sex-dependent, particularly observed in male fish as compared to female fish. Further, the androgen axis was perturbed with serious malformations in male rat testis (epididymal or gubernacular lesions, and deciduous spermatids). Also, transgenerational epigenetic effects were promoted in the F3 and F4 generations in the form of DNA methylation epimutations in sperm, increasing polycystic ovaries and reducing the offspring. Similarly, increased oxidative stress, high antioxidant enzymatic activities, disturbed estrous cycle, and decreased steroidogenesis were the commonly found effects after acute or chronic exposure to EDC mixtures. Importantly, the concentration addition (CA) and independent action (IA) models became more prevalent and suitable predictive models to unveil the prominence of synergistic estrogenic and anti-androgenic effects of chemical mixtures. More importantly, this review encompasses the research challenges and gaps in the existing knowledge and specific future research perspectives on combined toxicity.
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Affiliation(s)
- Naima Hamid
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Muhammad Junaid
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China
| | - De-Sheng Pei
- Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, China; University of Chinese Academy of Sciences, Beijing 100049, China; College of Life Science, Henan Normal University, Xinxiang 453007, Henan, China.
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23
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Postigo C, Ginebreda A, Barbieri MV, Barceló D, Martín-Alonso J, de la Cal A, Boleda MR, Otero N, Carrey R, Solà V, Queralt E, Isla E, Casanovas A, Frances G, López de Alda M. Investigative monitoring of pesticide and nitrogen pollution sources in a complex multi-stressed catchment: The lower Llobregat River basin case study (Barcelona, Spain). THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 755:142377. [PMID: 33017759 DOI: 10.1016/j.scitotenv.2020.142377] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/10/2020] [Accepted: 09/11/2020] [Indexed: 06/11/2023]
Abstract
The management of the anthropogenic water cycle must ensure the preservation of the quality and quantity of water resources and their careful allocation to the different uses. Protection of water resources requires the control of pollution sources that may deteriorate them. This is a challenging task in multi-stressed catchments. This work presents an approach that combines pesticide occurrence patterns and stable isotope analyses of nitrogen (δ15N-NO3-, δ15N-NH4+), oxygen (δ18O-NO3-), and boron (δ11B) to discriminate the origin of pesticides and nitrogen-pollution to tackle this challenge. The approach has been applied to a Mediterranean sub-catchment subject to a variety of natural and anthropogenic pressures. Combining the results from both analytical approaches in selected locations of the basin, the urban/industrial activity was identified as the main pressure on the quality of the surface water resources, and to a large extent also on the groundwater resources, although agriculture may play also an important role, mainly in terms of nitrate and ammonium pollution. Total pesticide concentrations in surface waters were one order of magnitude higher than in groundwaters and believed to originate mainly from soil and/or sediments desorption processes and urban and industrial use, as they were mainly associated with treated wastewaters. These findings were supported by the stable isotope results that pointed to an organic origin of nitrate in surface waters and most groundwater samples. Ammonium pollution observed in some aquifer locations is probably generated by nitrate reduction. Overall, no significant attenuation processes could be inferred for nitrate pollution. The approach presented here exemplifies the investigative monitoring envisioned in the Water Framework Directive.
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Affiliation(s)
- Cristina Postigo
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Carrer de Jordi Girona 18-26, 08034 Barcelona, Spain.
| | - Antoni Ginebreda
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Carrer de Jordi Girona 18-26, 08034 Barcelona, Spain.
| | - Maria Vittoria Barbieri
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Carrer de Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Damià Barceló
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Carrer de Jordi Girona 18-26, 08034 Barcelona, Spain; Catalan Institute for Water Research (ICRA), Emili Grahit, 101, Edifici H2O, Parc Científic i Tecnològic de la Universitat de Girona, 17003 Girona, Spain
| | - Jordi Martín-Alonso
- Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. Carrer de General Batet 1-7, 08028 Barcelona, Spain
| | - Agustina de la Cal
- Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. Carrer de General Batet 1-7, 08028 Barcelona, Spain
| | - Maria Rosa Boleda
- Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. Carrer de General Batet 1-7, 08028 Barcelona, Spain
| | - Neus Otero
- Grup MAiMA, SGR Mineralogia Aplicada, Geoquímica i Geomicrobiologia, Departament de Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, i Institut de Recerca de l'Aigua (IdRA), Universitat de Barcelona (UB), Carrer de Martí i Franquès s/n, 08028 Barcelona, Spain; Serra Húnter Fellowship, Generalitat de Catalunya, Spain
| | - Raul Carrey
- Grup MAiMA, SGR Mineralogia Aplicada, Geoquímica i Geomicrobiologia, Departament de Mineralogia, Petrologia i Geologia Aplicada, Facultat de Ciències de la Terra, i Institut de Recerca de l'Aigua (IdRA), Universitat de Barcelona (UB), Carrer de Martí i Franquès s/n, 08028 Barcelona, Spain
| | - Vinyet Solà
- Comunitat d'Usuaris d'Aigües de la Vall Baixa i del Delta del Llobregat (CUADLL), Carrer de Pau Casals 14, 08820 El Prat de Llobregat, Spain
| | - Enric Queralt
- Comunitat d'Usuaris d'Aigües de la Vall Baixa i del Delta del Llobregat (CUADLL), Carrer de Pau Casals 14, 08820 El Prat de Llobregat, Spain
| | - Elena Isla
- Parc Agrari del Baix Llobregat, Can Comas, Camí de la Rivera, s/n, 08820 El Prat de Llobregat, Spain
| | - Anna Casanovas
- Parc Agrari del Baix Llobregat, Can Comas, Camí de la Rivera, s/n, 08820 El Prat de Llobregat, Spain
| | - Gemma Frances
- Parc Agrari del Baix Llobregat, Can Comas, Camí de la Rivera, s/n, 08820 El Prat de Llobregat, Spain
| | - Miren López de Alda
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Carrer de Jordi Girona 18-26, 08034 Barcelona, Spain
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24
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Köck-Schulmeyer M, Ginebreda A, Petrovic M, Giulivo M, Aznar-Alemany Ò, Eljarrat E, Valle-Sistac J, Molins-Delgado D, Diaz-Cruz MS, Monllor-Alcaraz LS, Guillem-Argiles N, Martínez E, Miren LDA, Llorca M, Farré M, Peña JM, Mandaric L, Pérez S, Majone B, Bellin A, Kalogianni E, Skoulikidis NT, Milačič R, Barceló D. Priority and emerging organic microcontaminants in three Mediterranean river basins: Occurrence, spatial distribution, and identification of river basin specific pollutants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 754:142344. [PMID: 33254885 DOI: 10.1016/j.scitotenv.2020.142344] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 09/08/2020] [Accepted: 09/09/2020] [Indexed: 05/20/2023]
Abstract
There is a worldwide growing use of chemicals by our developed, industrialized, and technological society. More than 100,000 chemical substances are thus commonly used both by industry and households. Depending on the amount produced, physical-chemical properties, and mode of use, many of them may reach the environment and, notably, the aquatic receiving systems. This may result in undesirable and harmful side-effects on both the human and the ecosystem's health. Mediterranean rivers are largely different from Northern and Central European rivers in terms of hydrological regime, climate conditions (e.g. air temperature, solar irradiation, precipitation), and socio-economics (e.g. land use, tourism, crop types, etc.), with all these factors leading to differences in the relative importance of the environmental stressors, in the classes and levels of the pollutants found and their environmental fate. Furthermore, water scarcity might be critical in affecting water pollution because of the lowered dilution capacity of chemicals. This work provides raw chemical data from different families of microcontaminants identified in three selected Mediterranean rivers (the Sava, Evrotas, and Adige) collected during two sampling campaigns conducted in 2014 and 2015 in three different matrices, namely, water, sediments, and biota (fish). More than 200 organic micropollutants were analyzed, including relevant groups like pharmaceuticals, personal care products, perfluorinated compounds, pesticides, pyrethroid insecticides, flame retardants, and persistent organic pollutants. Data obtained were summarized with some basic statistics for all compound families and matrices analyzed. Observed occurrence and spatial patterns were interpreted both in terms of compound physical-chemical properties and local environmental pressures. Finally, their spatial distribution was examined and their ecotoxicological risk in the water phase was assessed. This allowed locating, at each basin, the most polluted sites ("hot spots") and identifying the respective river basin specific pollutants (RBSPs), prioritizing them in terms of the potential ecotoxicological risk posed to the aquatic ecosystems.
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Affiliation(s)
| | - Antoni Ginebreda
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain.
| | - Mira Petrovic
- Catalan Institute for Water Research (ICRA), Emili Grahit, 101, Edifici H(2)O, Parc Científic i Tecnològic de la Universitat de Girona, 17003 Girona, Spain; Catalan Institution for Research and advanced studies (ICREA), Barcelona, Spain
| | - Monica Giulivo
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Òscar Aznar-Alemany
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Ethel Eljarrat
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Jennifer Valle-Sistac
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Daniel Molins-Delgado
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - M Silvia Diaz-Cruz
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | | | - Nuria Guillem-Argiles
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Elena Martínez
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - López de Alda Miren
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Marta Llorca
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Marinella Farré
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Juan Manuel Peña
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Ladislav Mandaric
- Catalan Institute for Water Research (ICRA), Emili Grahit, 101, Edifici H(2)O, Parc Científic i Tecnològic de la Universitat de Girona, 17003 Girona, Spain
| | - Sandra Pérez
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain
| | - Bruno Majone
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, I-38123 Trento, Italy
| | - Alberto Bellin
- Department of Civil, Environmental and Mechanical Engineering, University of Trento, Via Mesiano 77, I-38123 Trento, Italy
| | - Eleni Kalogianni
- Institute of Marine Biological Resources and Inland Waters (IMBRIW), Hellenic Center for Marine Research (HCMR), 46.7 km Athens-Souniou Av., 190 13, P.O. Box 712, Anavissos, Greece
| | - Nikolaos Th Skoulikidis
- Institute of Marine Biological Resources and Inland Waters (IMBRIW), Hellenic Center for Marine Research (HCMR), 46.7 km Athens-Souniou Av., 190 13, P.O. Box 712, Anavissos, Greece
| | - Radmila Milačič
- Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, 1000 Ljubljana, Slovenia
| | - Damià Barceló
- Dept. of Environmental Chemistry, IDAEA-CSIC, c/Jordi Girona 18-26, 08034 Barcelona, Spain; Catalan Institute for Water Research (ICRA), Emili Grahit, 101, Edifici H(2)O, Parc Científic i Tecnològic de la Universitat de Girona, 17003 Girona, Spain
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25
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López-García E, Mastroianni N, Ponsà-Borau N, Barceló D, Postigo C, López de Alda M. Drugs of abuse and their metabolites in river sediments: Analysis, occurrence in four Spanish river basins and environmental risk assessment. JOURNAL OF HAZARDOUS MATERIALS 2021; 401:123312. [PMID: 32653784 DOI: 10.1016/j.jhazmat.2020.123312] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/16/2020] [Revised: 06/22/2020] [Accepted: 06/23/2020] [Indexed: 06/11/2023]
Abstract
The environmental impact produced by the presence of drugs of abuse in sediments has been scarcely studied to date, even though many of them may adsorb onto particulate matter due to their physical-chemical properties. This study presents an analytical method for the determination of 20 drugs of abuse and metabolites in sediments. The validated method was satisfactory in terms of linearity (r2 >0.99), recovery (90-135 %), repeatability (relative standard deviations <15 %), sensitivity (limits of quantification <2.1 ng/g d.w, except for cannabinoids), and matrix effects (ionization suppression <40 %). The method was applied to the analysis of 144 sediments collected in four Spanish river basins. Cocaine, methadone, and its metabolite 2-ethylidene-1,5-dimethyl-3,3-diphenylpyrrolidine (EDDP) were the most ubiquitous compounds (detection frequencies>36 %), whereas cannabinol, Δ9-tetrahydrocannabinol (THC), and methadone were the most abundant compounds (up to 44, 37, and 33 ng/g d.w, respectively). The presence of EDDP, THC, and methadone in the sediments of 28 locations may pose a risk to sediment-dwelling organisms. To the author`s knowledge, this is the most extensive study conducted so far on the occurrence of drugs of abuse in sediments, and the first time that sediment-water distribution coefficients for EDDP, methadone, MDMA, and diazepam are reported from field observations.
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Affiliation(s)
- Ester López-García
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | - Nicola Mastroianni
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain
| | | | - Damià Barceló
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain; Catalan Institute for Water Research, H2O Buiding, Scientific and Technological Park of the University of Grona, Emili Grahit 101, 17003, Girona, Spain
| | - Cristina Postigo
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain.
| | - Miren López de Alda
- Water, Environmental, and Food Chemistry Unit (ENFOCHEM), Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Barcelona, Spain.
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26
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Hoeks S, Huijbregts MA, Douziech M, Hendriks AJ, Oldenkamp R. Mean Species Abundance as a Measure of Ecotoxicological Risk. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:2304-2313. [PMID: 32786097 PMCID: PMC7693057 DOI: 10.1002/etc.4850] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 11/18/2019] [Accepted: 08/07/2020] [Indexed: 05/08/2023]
Abstract
Chemical pollution of surface waters is considered an important driver for recent declines in biodiversity. Species sensitivity distributions (SSDs) are commonly used to evaluate the ecological risks of chemical exposure, accounting for variation in interspecies sensitivity. However, SSDs do not reflect the effects of chemical exposure on species abundance, considered an important endpoint in biological conservation. Although complex population modeling approaches lack practical applicability when it comes to the routine practice of lower tier chemical risk assessment, in the present study we show how information from widely available laboratory toxicity tests can be used to derive the change in mean species abundance (MSA) as a function of chemical exposure. These exposure-response MSA relationships combine insights into intraspecies exposure-response relationships and population growth theory. We showcase the practical applicability of our method for cadmium, copper, and zinc, and include a quantification of the associated statistical uncertainty. For all 3 metals, we found that concentrations hazardous for 5% of the species (HC5 s) based on MSA relationships are systematically higher than SSD-based HC5 values. Our proposed framework can be useful to derive abundance-based ecological protective criteria for chemical exposure, and creates the opportunity to assess abundance impacts of chemical exposure in the context of various other anthropogenic stressors. Environ Toxicol Chem 2020;39:2304-2313. © 2020 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Selwyn Hoeks
- Department of Environmental Science, Institute for Water and Wetland ResearchRadboud University NijmegenNijmegenThe Netherlands
| | - Mark A.J. Huijbregts
- Department of Environmental Science, Institute for Water and Wetland ResearchRadboud University NijmegenNijmegenThe Netherlands
| | - Mélanie Douziech
- Centre of Observations, Impacts, Energie, MINES Paris Tech, PSL UniversitySophia AntipolisFrance
| | - A. Jan Hendriks
- Department of Environmental Science, Institute for Water and Wetland ResearchRadboud University NijmegenNijmegenThe Netherlands
| | - Rik Oldenkamp
- Department of Environmental Science, Institute for Water and Wetland ResearchRadboud University NijmegenNijmegenThe Netherlands
- Environment Department, University of York, HeslingtonYorkUnited Kingdom
- Amsterdam Institute for Global Health and DevelopmentAmsterdamThe Netherlands
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27
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Vryzas Z, Ramwell C, Sans C. Pesticide prioritization approaches and limitations in environmental monitoring studies: From Europe to Latin America and the Caribbean. ENVIRONMENT INTERNATIONAL 2020; 143:105917. [PMID: 32619916 DOI: 10.1016/j.envint.2020.105917] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 06/12/2020] [Accepted: 06/12/2020] [Indexed: 06/11/2023]
Abstract
Assessment and management of issues related to pesticide residues, such as environmental fate, monitoring and toxicity, are complex and, in many cases, require costly studies. The early establishment of a priority list of pesticides that should be monitored and assigned to a restricted-use policy is an important issue of post-registration Risk Assessment (RA). Various pesticide registration approaches have been adopted by different countries with those from Europe and the USA being the most popular, constituting the major prototypes for registration approaches in other countries. Adoption of pesticide registration and monitoring systems developed in Europe or USA by Latin American and Caribbean countries may underestimate factors affecting the environmental fate and toxicity of pesticides in their own countries. Incentive for this short review was the activities undertaken during the three KNOWPEC workshops held in Costa Rica, Argentina and Bolivia where European pesticide experts met Latin American experience in the form of Costa Rica's exceptional environmental conditions and ecology, Argentina's and Uruguay's soyisation and Bolivia's contrasting climate and agricultural zones. During the parallel activities of the workshop - including scientific presentations, field trips, interviews and meetings among European partners and pesticide stakeholders in Latin America, - the whole pesticide chain (import-export, trade, application, plant protection-efficacy, residues, monitoring, remediation and risk) was studied and clarified. Recently-published chemical prioritization studies were reviewed to consider their use as a tool to support risk assessments. Differences in regional practices are highlighted as regards to the establishment of RA or prioritization strategy in European and Latin American regimes. General guidance of establishing a cost-effective pesticide monitoring scheme in water bodies of Latin America and the Caribbean (LAC) is also proposed. Moreover, we summarize the most important factors that should be taken into consideration for prioritization approaches and categorization used in pesticide environmental monitoring studies. Consideration of current RA approaches and limitations, and pesticide prioritization exercises highlighted in this Commentary could assist in the management of pesticides in Latin America and Caribbean.
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Affiliation(s)
- Zisis Vryzas
- Laboratory of Agricultural Pharmacology and Ecotoxicology, Faculty of Agricultural Development, Democritus University of Thrace, 68200 Orestias, Greece.
| | | | - Carmen Sans
- Chemical Engineering and Analytical Chemistry Department, Faculty of Chemistry, Universitat de Barcelona, Martí i Franquès, 1, 08028 Barcelona, Spain
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Towfiqul Islam ARM, Hasanuzzaman M, Touhidul Islam HM, Mia MU, Khan R, Habib MA, Rahman MM, Siddique MAB, Moniruzzaman M, Rashid MB. Quantifying Source Apportionment, Co-occurrence, and Ecotoxicological Risk of Metals from Upstream, Lower Midstream, and Downstream River Segments, Bangladesh. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2020; 39:2041-2054. [PMID: 32633828 DOI: 10.1002/etc.4814] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 06/10/2020] [Accepted: 07/06/2020] [Indexed: 06/11/2023]
Abstract
The positive matrix factorization (PMF) receptor model was used for the first time to quantify the source contributions to heavy metal pollution of sediment on a national basin scale in the upstream, midstream, and downstream rivers (Teesta and Kortoya-Shitalakkah and Meghna-Rupsha and Pasur) of Bangladesh. The metal contamination status, co-occurrence, and ecotoxicological risk were also investigated. Sediment samples were collected from 30 sites at a depth range of 0 to 20 cm for analysis of 9 metals using inductively coupled plasma-mass spectrometry. The mean concentrations of metals varied for upstream, lower midstream, and downstream river segments. The results showed that chromium (Cr) exhibited a strong significant co-occurrence network with other metals (e.g., manganese [Mn], iron [Fe], and nickel [Ni]). Monte Carlo simulation results of the geo-accumulation index (Igeo; 63.3%) and risk indices (48.5%) showed that cadmium (Cd) was the main contributor to sediment pollution. However, the cumulative probabilities of sediments being polluted by metals were ranked as "moderate to heavily polluted" (Igeo 46.6%; risk index 16.7%). Toxicity unit results revealed that zinc (Zn) and Cd were the key toxic contributors to sediments. The PMF model predicted metal concentrations and identified 4 potential sources. The agricultural source (factor 1) mostly contributed to copper (Cu; 78.9%) and arsenic (As; 62.8%); Ni (96.9%) and Mn (83.5%) exhibited industrial point sources (factor 2), with 2 hot spots in northwestern and southwestern regions. Cadmium (93.5%) had anthropogenic point sources (factor 3), and Fe (64.3%) and Cr (53.5%) had a mixed source (factor 4). Spatially, similar patterns between PMF apportioning factors and predicted metal sources were identified, showing the efficiency of the model for river systems analysis. The degree of metal contamination in the river segments suggests an alarming condition for biotic components of the ecosystem. Environ Toxicol Chem 2020;39:2041-2054. © 2020 SETAC.
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Affiliation(s)
| | - Md Hasanuzzaman
- Department of Disaster Management, Begum Rokeya University, Rangpur, Bangladesh
| | - H M Touhidul Islam
- Department of Disaster Management, Begum Rokeya University, Rangpur, Bangladesh
| | - Md Uzzal Mia
- Department of Disaster Management, Begum Rokeya University, Rangpur, Bangladesh
| | - Rahat Khan
- Institute of Nuclear Science & Technology, Bangladesh Atomic Energy Commission, Savar, Dhaka, Bangladesh
| | - Md Ahosan Habib
- Geological Survey of Bangladesh, Segunbaghicha, Dhaka, Bangladesh
| | - Md Mostafizur Rahman
- Department of Environmental Sciences, Jahangirnagar University, Dhaka, Bangladesh
| | - Md Abu Bakar Siddique
- Institute of National Analytical Research and Service, Bangladesh Council of Scientific and Industrial Research, Dhanmondi, Dhaka, Bangladesh
| | - Md Moniruzzaman
- Isotope Hydrology Division, Institute of Nuclear Science & Technology, Atomic Energy Research Establishment, Savar, Dhaka, Bangladesh
| | - Md Bazlar Rashid
- Geological Survey of Bangladesh, Segunbaghicha, Dhaka, Bangladesh
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Klimkowicz-Pawlas A, Debaene G. Screening Risk Assessment of Agricultural Areas under a High Level of Anthropopressure Based on Chemical Indexes and VIS-NIR Spectroscopy. Molecules 2020; 25:molecules25143151. [PMID: 32660157 PMCID: PMC7397210 DOI: 10.3390/molecules25143151] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Revised: 07/07/2020] [Accepted: 07/08/2020] [Indexed: 11/17/2022] Open
Abstract
Intensive anthropogenic activity may result in uncontrolled release of various pollutants that ultimately accumulate in soils and may adversely affect ecosystems and human health. Hazard screening, prioritisation and subsequent risk assessment are usually performed on a chemical-by-chemical basis and need expensive and time-consuming methods. Therefore, there is a need to look for fast and reliable methods of risk assessment and contamination prediction in soils. One promising technique in this regard is visible and near infrared (VIS-NIR) spectroscopy. The aim of the study was to evaluate potential environmental risk in soils subjected to high level of anthropopressure using VIS-NIR spectroscopy and to calculate several risk indexes for both individual polycyclic aromatic hydrocarbons (PAHs) and their mixture. Results showed that regarding 16PAH concentration, 78% of soil samples were contaminated. Risk assessment using the most conservative approach based on hazard quotients (HQ) for 10 individual PAHs allowed to conclude that 62% of the study area needs further action. Application of concentration addition or response addition models for 16PAHs mixture gave a more realistic assessment and indicates unacceptable risk in 23% and 55% of soils according to toxic units (TUm) and toxic pressure (TPm) approach. Toxic equivalency quotients (TEQ) were below the safe limit for human health protection in 88% of samples from study region. We present here the first attempt at predicting risk indexes using VIS-NIR spectroscopy. The best results were obtained with binary models. The accuracy of binary model can be ordered as follows: TPm (71.6%) < HI (85.1%) < TUm (87.9%) and TEQ (94.6%). Both chemical indexes and VIS-NIR can be successfully applied for first-tier risk assessment.
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Pereira A, Silva L, Laranjeiro C, Lino C, Pena A. Selected Pharmaceuticals in Different Aquatic Compartments: Part I-Source, Fate and Occurrence. Molecules 2020; 25:molecules25051026. [PMID: 32106570 PMCID: PMC7179177 DOI: 10.3390/molecules25051026] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/19/2020] [Accepted: 02/21/2020] [Indexed: 11/16/2022] Open
Abstract
Potential risks associated with releases of human pharmaceuticals into the environment have become an increasingly important issue in environmental health. This concern has been driven by the widespread detection of pharmaceuticals in all aquatic compartments. Therefore, 22 pharmaceuticals, 6 metabolites and transformation products, belonging to 7 therapeutic groups, were selected to perform a systematic review on their source, fate and occurrence in different aquatic compartments, important issues to tackle the Water Framework Directive (WFD). The results obtained evidence that concentrations of pharmaceuticals are present, in decreasing order, in wastewater influents (WWIs), wastewater effluents (WWEs) and surface waters, with values up to 14 mg L−1 for ibuprofen in WWIs. The therapeutic groups which presented higher detection frequencies and concentrations were anti-inflammatories, antiepileptics, antibiotics and lipid regulators. These results present a broad and specialized background, enabling a complete overview on the occurrence of pharmaceuticals in the aquatic compartments.
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Soler P, Solé M, Bañón R, García-Galea E, Durfort M, Matamoros V, Bayona JM, Vinyoles D. Effects of industrial pollution on the reproductive biology of Squalius laietanus (Actinopterygii, Cyprinidae) in a Mediterranean stream (NE Iberian Peninsula). FISH PHYSIOLOGY AND BIOCHEMISTRY 2020; 46:247-264. [PMID: 31624992 DOI: 10.1007/s10695-019-00713-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2019] [Accepted: 09/29/2019] [Indexed: 06/10/2023]
Abstract
Mediterranean rivers are severely affected by pollutants from industry, agriculture and urban activities. In this study, we examined how industrial pollutants, many of them known to act as endocrine disruptors (EDCs), could disturb the reproduction of the Catalan chub (Squalius laietanus). The survey was conducted throughout the reproductive period of S. laietanus (from March to July 2014) downstream an industrial WWTP located in the River Ripoll (NE Iberian Peninsula). Eighty fish (28 females and 52 males) were caught by electrofishing upstream and 77 fish (33 females and 44 males) downstream a WWTP. For both sexes, the gonadosomatic index (GSI) and gonadal histology were examined and related to water chemical analysis and fish biomarkers. Female fecundity was assessed using the gravimetric method. Fish from the polluted site showed enhanced biomarker responses involved in detoxification. Also, in the polluted site, lower GSI values were attained in both sexes and females displayed lower numbers of vitellogenic oocytes. Gonadal histology showed that all maturation stages of testicles and ovaries were present at the two study sites but fish males from the polluted site had smaller diameter seminiferous tubules. Water chemical analysis confirmed greater presence of EDCs in the river downstream the industrial WWTP. The chemicals benzotriazole and benzothiazole could be partially responsible for the observed alterations in the reproductive biology of S. laietanus.
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Affiliation(s)
- Patricia Soler
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Avda. Diagonal 643, 08028, Barcelona, Spain
| | - Montserrat Solé
- Department of Renewable Marine Resources, Institute of Marine Sciences (ICM-CSIC), Passeig Marítim de la Barceloneta 37-49, 08003, Barcelona, Spain
| | - Raquel Bañón
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Avda. Diagonal 643, 08028, Barcelona, Spain
| | - Eduardo García-Galea
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Avda. Diagonal 643, 08028, Barcelona, Spain
| | - Mercè Durfort
- Department of Cell Biology, Physiology and Immunology, University of Barcelona, Avda. Diagonal 643, 08028, Barcelona, Spain
| | - Víctor Matamoros
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Josep Maria Bayona
- Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034, Barcelona, Spain
| | - Dolors Vinyoles
- Department of Evolutionary Biology, Ecology and Environmental Sciences, University of Barcelona, Avda. Diagonal 643, 08028, Barcelona, Spain.
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Niu Y, Jiang X, Wang K, Xia J, Jiao W, Niu Y, Yu H. Meta analysis of heavy metal pollution and sources in surface sediments of Lake Taihu, China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 700:134509. [PMID: 31698269 DOI: 10.1016/j.scitotenv.2019.134509] [Citation(s) in RCA: 83] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2019] [Revised: 08/02/2019] [Accepted: 09/16/2019] [Indexed: 06/10/2023]
Abstract
Heavy metal concentrations in Taihu Lake sediment from studies performed between 2000 and 2018 were analyzed and Monte Carlo uncertainty analysis of heavy metal geo-accumulation, potential ecological risk and toxicity data for Taihu Lake sediment was performed to allow heavy metal pollution of Taihu Lake sediment to be described clearly, objectively, and comprehensively. Five main conclusions were drawn. (1) Most attention should be paid to As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn pollution. (2) The geo-accumulation indices showed that Cd is the most important pollutant and that the probabilities of Taihu Lake sediment being moderately polluted, moderately-heavily polluted, and heavily polluted were found to be 53.6%, 34.9%, and 18.7%, respectively. (3) Cd is the main contributor to potential ecological risks and had cumulative low risk, moderate risk, and considerable risk probabilities of 63.0%, 27.0%, and 10.0%, respectively. (4) Toxicity unit evaluation results indicated that Pb is the main contributor of toxicity in Taihu Lake sediment and had cumulative low toxicity, moderate toxicity, and high toxicity probabilities of 53.0%, 36.8%, and 5.6%, respectively. (5) Positive matrix factorization model results indicated that industrial sources are the main suppliers of heavy metals to Taihu Lake sediment, contributing 64.9% of the heavy metals. The summarized results and conclusions will improve local government awareness of heavy metal pollution in Taihu Lake and will aid in the development of appropriate pollution control measures. The results will also provide reference data for future studies of heavy metal pollution in sediment from Taihu Lake and other lakes.
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Affiliation(s)
- Yong Niu
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Xia Jiang
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Kun Wang
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jiandong Xia
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Wei Jiao
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China; Shandong Provincial Key Laboratory of Water and Soil Conservation and Environmental Protection, College of Resources and Environment, Linyi University, Linyi 276000, China
| | - Yuan Niu
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
| | - Hui Yu
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Institute of Lake Environment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China.
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Lebrun JD, De Jesus K, Rouillac L, Ravelli M, Guenne A, Tournebize J. Single and combined effects of insecticides on multi-level biomarkers in the non-target amphipod Gammarus fossarum exposed to environmentally realistic levels. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2020; 218:105357. [PMID: 31812648 DOI: 10.1016/j.aquatox.2019.105357] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2019] [Revised: 11/05/2019] [Accepted: 11/08/2019] [Indexed: 06/10/2023]
Abstract
Aquatic media are ultimate recipients of various contaminants including pesticides pervasively applied in agrosystems. Characterizing the ecotoxicity of pesticides and their mixtures to aquatic wildlife at field-realistic levels is thus crucial for environmental risk assessment. This study aims at assessing the effects of two current-use insecticides, imidacloprid and chlorpyrifos, on Gammarus fossarum using multi-level biomarkers. In microcosms, gammarids were exposed for 72 h to insecticides tested individually or in mixture at 0.01, 0.1 and 1 μg/L of each chemical. Multi-metric responses were assessed at the individual level (behavioural traits: locomotion, respiration and amplexus formation) and the cellular level (enzymes involved in growth, moulting, digestion and cell stress). The results showed insecticide-elicited behavioural and biochemical responses from the lowest concentration of 0.01 μg/L. Overall, single exposures stimulated behavioural traits and inhibited enzymatic activities, highlighting subtle impacts at different organizational levels but these were not dose related. For binary mixtures, antagonistic effects (i.e. less-than-additive) on biomarkers were mainly observed when compared with single exposures. Multi-variable analyses indicated the complementarity of behavioural and biochemical biomarkers in identifying sublethal biological alterations and dose-dependent multiple action sites of insecticides. Besides, the mortality observed only for the mixture at 1 μg/L demonstrated a high lethal potential of insecticides in a simple binary combination. To conclude, this study demonstrates disturbances in individual performances and cellular impairments occurring at environmentally realistic exposure levels in a non-target wild species. Since the sublethal effects, such as those identified with this multi-biomarker approach, could lead to long-term alterations in population dynamics of agricultural areas, they constitute promising early endpoints for risk assessment of insecticides.
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Affiliation(s)
- Jérémie D Lebrun
- Irstea, UR HYCAR - Artemhys, CS 10030, 92761 Antony cedex, France; Federation of Research FIRE, FR-3020, 75005 Paris, France.
| | - Kelly De Jesus
- Irstea, UR HYCAR - Artemhys, CS 10030, 92761 Antony cedex, France
| | | | - Marie Ravelli
- Irstea, UR HYCAR - Artemhys, CS 10030, 92761 Antony cedex, France; Irstea, UR PROSE, CS 10030, 92761 Antony cedex, France
| | | | - Julien Tournebize
- Irstea, UR HYCAR - Artemhys, CS 10030, 92761 Antony cedex, France; Federation of Research FIRE, FR-3020, 75005 Paris, France
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Papageorgiou M, Zioris I, Danis T, Bikiaris D, Lambropoulou D. Comprehensive investigation of a wide range of pharmaceuticals and personal care products in urban and hospital wastewaters in Greece. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 694:133565. [PMID: 31401503 DOI: 10.1016/j.scitotenv.2019.07.371] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2019] [Revised: 07/05/2019] [Accepted: 07/22/2019] [Indexed: 05/23/2023]
Abstract
Detection and quantification of Pharmaceutical and Personal care products (PPCPs) in wastewaters and aqueous samples is crucial in terms of environmental monitoring and risk assessment for these emerging contaminants in the environment. The majority of the studies on PPCPs in wastewaters involve analysis only of representative compounds for each class, while few studies reported for the analysis of several compounds from multiple classes of PPCPs in samples. In this light, the aim of this work was to develop a multiresidue analytical protocol based on solid phase extraction (SPE) coupled to liquid chromatography combined with tandem mass spectrometer-(LC-MS/MS) for simultaneous determination of 138 substances including 37 different classes of PPCPs that can be used for monitoring in wastewater. Hence, an extensive monitoring survey of PPCPs in four wastewater treatment plants (WWTPs) in three cities of North (Thessaloniki) and Central (Larisa, Volos) Greece region has been conducted. In addition, the occurrence of the target compounds in raw waters of effluents from two medium-size hospitals located in the Larisa Region was investigated. Analgesics-anti-inflammatories (paracetamol, diclofenac, ibuprofen, salicylic acid), diuretic (furosemide), antibiotics (amoxicillin, ampicillin, clarithromycin, azithromycin), anti-hypertensives (valsartan, irbesartan, telmisartan), psychiatric drugs (carbamazepine, venlafaxine, citalopram), stimulant (caffeine) and beta blockers (atenolol, metoprolol, pindolol) were among the most frequently detected compounds. The removal rates varied between the different therapeutic groups, as well within each therapeutic group, important variations in removal were observed, going from not eliminated to 100%. Mass loading distribution in the different WWTPs was also evaluated. Finally, the risk quotient approach (RQ) for single substances and the cumulative RQ for the classes of the target PPCPs was used in order to identify the potential ecotoxicological risk posed in the tree trophic levels of aquatic organisms.
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Affiliation(s)
- Myrsini Papageorgiou
- Aristotle University of Thessaloniki, Department of Chemistry - Panepistimioupolis, Thessaloniki, Greece
| | - Ioannis Zioris
- ANALYSIS - DELCOF S.A., Quality Control and Chemical Analysis Laboratory, Kopanos, Naousa, Greece
| | - Theocharis Danis
- ANALYSIS - DELCOF S.A., Quality Control and Chemical Analysis Laboratory, Kopanos, Naousa, Greece.
| | - Dimitrios Bikiaris
- Aristotle University of Thessaloniki, Department of Chemistry - Panepistimioupolis, Thessaloniki, Greece
| | - Dimitra Lambropoulou
- Aristotle University of Thessaloniki, Department of Chemistry - Panepistimioupolis, Thessaloniki, Greece.
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Quintana J, de la Cal A, Boleda MR. Monitoring the complex occurrence of pesticides in the Llobregat basin, natural and drinking waters in Barcelona metropolitan area (Catalonia, NE Spain) by a validated multi-residue online analytical method. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 692:952-965. [PMID: 31539999 DOI: 10.1016/j.scitotenv.2019.07.317] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 07/19/2019] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
The European Directive 98/83/CE legislates the presence of pesticides in drinking water, but apart from a few compounds, nothing is said about which pesticides should be monitored. Nevertheless, water companies need to go beyond the accomplishment of the legislation and find out pesticide contamination in all sources of water in order to manage the hazard assessment, and to guarantee safe drinking water to all the population. The aim of this work was to develop an analytical multi-residue method for circa 100 compounds. The method analyses previously monitored compounds in Barcelona city and its metropolitan area, as well as many emerging pesticides and some transformation products. An on-line sample extraction (0.75 mL) coupled to fast UHPLC-MS/MS method was developed. Good linearity (r2 > 0.995, with less residuals than 15%), accuracies and precisions under 25%, and acceptable expanded uncertainties were obtained for most of the monitored compounds, according to ISO/IEC 17025, obtaining limits of quantification between 5 and 25 ng/L for all compounds. A monitoring campaign on natural and treated waters in the Barcelona metropolitan area was carried out during 2016-2017. Results showed that pesticide contamination at the low stretch of Llobregat River and in its aquifer is severe. The maximum concentrations were in the range of few μg/L for carbendazim, DEET, diuron and propiconazole, and in the range 0.1-0.5 μg/L for bentazone, imidacloprid, isoproturon, simazine, metazachlor, methomyl, terbutryn and tebuconazole. However, the efficiency of advanced treatments in the DWTPs involved in drinking water production in the Barcelona metropolitan area allows the complete removal of pesticides and a safe water production for consumers. The method shows a good analytical performance for most compounds with a fast sample preparation and analysis. In addition, it has updated the knowledge about the occurrence of pesticides in the Barcelona city area.
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Affiliation(s)
- Jordi Quintana
- Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. General Batet 1-7, 08028 Barcelona, Spain.
| | - Agustina de la Cal
- Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. General Batet 1-7, 08028 Barcelona, Spain
| | - M Rosa Boleda
- Aigües de Barcelona, Empresa Metropolitana de Gestió del Cicle Integral de l'Aigua, S.A. General Batet 1-7, 08028 Barcelona, Spain.
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Ogbeide O, Uhunamure G, Okundaye F, Ejeomo C. First report on probabilistic risk assessment of pesticide residues in a riverine ecosystem in South-South Nigeria. CHEMOSPHERE 2019; 231:546-561. [PMID: 31151015 DOI: 10.1016/j.chemosphere.2019.05.105] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Revised: 05/14/2019] [Accepted: 05/14/2019] [Indexed: 06/09/2023]
Abstract
The present study evaluated the ecological and human health risk associated with concentrations of legacy organochlorine pesticide residues in Ikpoba River, a major River in the heart of Benin City, a Nigerian urban town located in Edo State. Standard methods were used to collect, extract and analyze samples, while risk assessment was carried out using standard models and indices. Results showed varying pesticide concentrations in both sediment and water samples with α-HCH (0.24 ± 0.11 μg L-l), predominant in water, whereas dieldrin (0.99 ± 0.33 μg kg-l) was the highest concentration in sediment. Compared to the Sediment Quality Guidelines (SQGs), this study concentrations of pesticides in sediments were below the values of effect range medium, effect range low, probable effect level and threshold effects level, suggesting low environmental hazard to benthic organisms. However, on exposure to contaminated sediments, probabilistic ecological risk assessment using Monte Carlo techniques showed potential risk to algae, daphnid and fish. Human health risk estimates using dermal and ingestion exposure deterministic and probabilistic routes revealed a potential risk to adults and children exposed to contaminated water and sediment. Estimates for detected pesticides exceeded the threshold level, indicating potential cancer effects for both children and adults who rely on the resources of the river. This study highlights the need for concerted efforts to curb the threat of pesticides and other contaminants in the aquatic environment by all relevant stakeholders in Nigeria and Africa as a whole.
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Affiliation(s)
- Ozekeke Ogbeide
- Department of Zoology and Entomology, University of the Free State. (Qwa Qwa campus), Free State, South Africa; Afromountane Research Unit (ARU) University of the Free State. (Qwa Qwa campus), Free State, South Africa; Department of Environmental Management and Toxicology. Faculty of Life Sciences. University of Benin. Benin City, Nigeria.
| | - Grace Uhunamure
- Department of Environmental Management and Toxicology. Faculty of Life Sciences. University of Benin. Benin City, Nigeria
| | - Fabulous Okundaye
- Department of Environmental Management and Toxicology. Faculty of Life Sciences. University of Benin. Benin City, Nigeria
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Rummel CD, Escher BI, Sandblom O, Plassmann MM, Arp HPH, MacLeod M, Jahnke A. Effects of Leachates from UV-Weathered Microplastic in Cell-Based Bioassays. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2019; 53:9214-9223. [PMID: 31257880 DOI: 10.1021/acs.est.9b02400] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Standard ecotoxicological testing of microplastic does not provide insight into the influence that environmental weathering by, e.g., UV light has on related effects. In this study, we leached chemicals from plastic into artificial seawater during simulated UV-induced weathering. We tested largely additive-free preproduction polyethylene, polyethylene terephthalate, polypropylene, and polystyrene and two types of plastic obtained from electronic equipment as positive controls. Leachates were concentrated by solid-phase extraction and dosed into cell-based bioassays that cover (i) cytotoxicity; (ii) activation of metabolic enzymes via binding to the arylhydrocarbon receptor (AhR) and the peroxisome proliferator-activated receptor (PPARγ); (iii) specific, receptor-mediated effects (estrogenicity, ERα); and (iv) adaptive response to oxidative stress (AREc32). LC-HRMS analysis was used to identify possible chain-scission products of polymer degradation, which were then tested in AREc32 and PPARγ. Explicit activation of all assays by the positive controls provided proof-of-concept of the experimental setup to demonstrate effects of chemicals liberated during weathering. All plastic leachates activated the oxidative stress response, in most cases with increased induction by UV-treated samples compared to dark controls. For PPARγ, polyethylene-specific effects were partially explained by the detected dicarboxylic acids. Since the preproduction plastic showed low effects often in the range of the blanks future studies should investigate implications of weathering on end consumer products containing additives.
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Affiliation(s)
- Christoph D Rummel
- Department of Bioanalytical Ecotoxicology and Department of Cell Toxicology , Helmholtz Centre for Environmental Research-UFZ , Permoserstraße 15 , DE-04318 Leipzig , Germany
| | - Beate I Escher
- Department of Bioanalytical Ecotoxicology and Department of Cell Toxicology , Helmholtz Centre for Environmental Research-UFZ , Permoserstraße 15 , DE-04318 Leipzig , Germany
- Center for Applied Geoscience , Eberhard Karls University Tübingen, Environmental Toxicology , Hölderlinstraße 12 , DE-72074 Tübingen , Germany
| | - Oskar Sandblom
- Department of Environmental Science and Analytical Chemistry (ACES) , Stockholm University , Svante Arrhenius väg 8 , SE-114 18 Stockholm , Sweden
| | - Merle M Plassmann
- Department of Environmental Science and Analytical Chemistry (ACES) , Stockholm University , Svante Arrhenius väg 8 , SE-114 18 Stockholm , Sweden
| | - Hans Peter H Arp
- Department of Environmental Engineering , Norwegian Geotechnical Institute (NGI) , Sognsvann 72 , NO-0855 Oslo , Norway
- Department of Chemistry , Norwegian University of Science and Technology (NTNU) , NO-7491 Trondheim , Norway
| | - Matthew MacLeod
- Department of Environmental Science and Analytical Chemistry (ACES) , Stockholm University , Svante Arrhenius väg 8 , SE-114 18 Stockholm , Sweden
| | - Annika Jahnke
- Department of Bioanalytical Ecotoxicology and Department of Cell Toxicology , Helmholtz Centre for Environmental Research-UFZ , Permoserstraße 15 , DE-04318 Leipzig , Germany
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Pais-Costa AJ, Varó I, Martinez-Haro M, Vinagre PA, Green AJ, Hortas F, Marques JC, Sánchez MI. Life history and physiological responses of native and invasive brine shrimps exposed to zinc. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 210:148-157. [PMID: 30852410 DOI: 10.1016/j.aquatox.2019.02.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/28/2019] [Accepted: 02/28/2019] [Indexed: 06/09/2023]
Abstract
Although a substantial amount of research exists on pollution and biological invasions, there is a paucity of understanding of how both factors interact. Most studies show that pollution favours the establishment of invasive species, but pollution may also promote local adaptation of native species and prevent the establishment of new incomers. However, evidence for this is extremely limited because most studies focus on successful invasions and very few on cases where an invasion has been resisted. Here we provide evidence of local adaptation of native species to pollution combining life history and physiological data. We focused on the invasion of the North American brine shrimp Artemia franciscana, which is causing a dramatic biodiversity loss in hypersaline ecosystems worldwide, and one of the last native Artemia populations in SW Europe (A. parthenogenetica from the historically polluted Odiel estuary, SW Spain). Life table response experiments were carried out in the laboratory to compare the demographic responses of A. parthenogenetica and a nearby A. franciscana population to long-term Zn exposure (0.2 mg L-1). We also evaluated oxidative stress by measuring antioxidant defences (catalase, glutathione reductase and superoxide dismutase) and lipid peroxidation (thiobarbituric acid reactive substances). A high concentration of Zn induced strong mortality in A. franciscana, which also showed high levels of lipid peroxidation, suggesting relatively poor physiological resistance to pollution compared with A. parthenogenetica. The age at maturity was shorter in A. parthenogenetica, which may be an adaptation to the naturally high mortality rate observed in the Odiel population. Exposure to Zn accelerated age at first reproduction in A. franciscana but not in A. parthenogenetica. In contrast, Zn had a stimulatory effect on offspring production in A. parthenogenetica,which also showed higher reproductive parameters (number of broods, total offspring and offspring per brood) than A. franciscana. Overall, the results of this study strongly suggest that native Artemia from Odiel estuary is locally adapted (at both, reproductive and physiological levels) to Zn contamination and that A. franciscana is highly sensitive. This is a good example of how pollution may play a role in the persistence of the last native Artemia populations in the Mediterranean.
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Affiliation(s)
- Antónia Juliana Pais-Costa
- Marine and Environmental Sciences Centre (MARE), Faculty of Sciences and Technology, University of Coimbra, 3004-517 Coimbra, Portugal.
| | - Inmaculada Varó
- Instituto de Acuicultura Torre de la Sal (IATS-CSIC), Ribera de Cabanes, Castellón 12595 Spain
| | - Mónica Martinez-Haro
- Instituto Regional de Investigación y Desarrollo Agroalimentario y Forestal (IRIAF), Centro de Investigación Agroambiental El Chaparrillo, Ciudad Real, Spain; Instituto de Investigación en Recursos Cinegéticos (UCLM-CSIC-JCCM), Ciudad Real, 13005, Spain
| | - Pedro Almeida Vinagre
- Marine and Environmental Sciences Centre (MARE), Faculty of Sciences and Technology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - Andy J Green
- Wetland Ecology Department, Estación Biológica de Doñana, EBD-CSIC, 41092 Seville, Spain
| | - Francisco Hortas
- Instituto Universitario de Investigación Marina (INMAR), Campus de Excelencia Internacional/Global del Mar (CEI·MAR), Universidad de Cádiz, Av. República Saharaui s/n, 11510 Puerto Real (Cádiz), Spain
| | - João Carlos Marques
- Marine and Environmental Sciences Centre (MARE), Faculty of Sciences and Technology, University of Coimbra, 3004-517 Coimbra, Portugal
| | - Marta I Sánchez
- Wetland Ecology Department, Estación Biológica de Doñana, EBD-CSIC, 41092 Seville, Spain; Instituto Universitario de Investigación Marina (INMAR), Campus de Excelencia Internacional/Global del Mar (CEI·MAR), Universidad de Cádiz, Av. República Saharaui s/n, 11510 Puerto Real (Cádiz), Spain
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Toušová Z, Vrana B, Smutná M, Novák J, Klučárová V, Grabic R, Slobodník J, Giesy JP, Hilscherová K. Analytical and bioanalytical assessments of organic micropollutants in the Bosna River using a combination of passive sampling, bioassays and multi-residue analysis. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 650:1599-1612. [PMID: 30308846 DOI: 10.1016/j.scitotenv.2018.08.336] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Revised: 08/24/2018] [Accepted: 08/24/2018] [Indexed: 06/08/2023]
Abstract
Complex mixtures of contaminants from multiple sources, including agriculture, industry or wastewater enter aquatic environments and might pose hazards or risks to humans or wildlife. Targeted analyses of a few priority substances provide limited information about water quality. In this study, a combined chemical and effect screening of water quality in the River Bosna, in Bosnia and Herzegovina was carried out, with focus on occurrence and effects of contaminants of emerging concern. Chemicals in water were sampled at 10 sites along the Bosna River by use of passive sampling. The combination of semipermeable membrane devices (SPMDs) and polar organic chemical integrative samplers (POCIS) enabled sampling of a broad range of contaminants from hydrophobic (PAHs, PCBs, OCPs) to hydrophilic compounds (pesticides, pharmaceuticals and hormones), which were determined by use of GC-MS and LC-MS (MS). In vitro, cell-based bioassays were applied to assess (anti)androgenic, estrogenic and dioxin-like potencies of extracts of the samplers. Of a total of 168 targeted compounds, 107 were detected at least once. Cumulative pollutant concentrations decreased downstream from the city of Sarajevo, which was identified as the major source of organic pollutants in the area. Responses in all bioassays were observed for samples from all sites. In general, estrogenicity could be well explained by analysis of target estrogens, while the drivers of the other observed effects remained largely unknown. Profiling of hazard quotients identified two sites downstream of Sarajevo as hotspots of biological potency. Risk assessment of detected compounds revealed, that 7 compounds (diazinon, diclofenac, 17β-estradiol, estrone, benzo[k]fluoranthene, fluoranthene and benzo[k]fluoranthene) might pose risks to aquatic biota in the Bosna River. The study brings unique results of a complex water quality assessment in a region with an insufficient water treatment infrastructure.
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Affiliation(s)
- Zuzana Toušová
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic; Environmental Institute (EI), Okružná 784/42, 972 41 Koš, Slovakia
| | - Branislav Vrana
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic; Water Research Institute, Nabr. Arm. Gen. L. Svobodu 5, 812 49 Bratislava, Slovakia
| | - Marie Smutná
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Jiří Novák
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Veronika Klučárová
- Slovak University of Technology, Faculty of Chemical and Food Technology, Radlinskeho 9, 812 37 Bratislava, Slovakia
| | - Roman Grabic
- University of South Bohemia in Ceske Budejovice, Faculty of Fisheries and Protection of Waters, South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Zatisi 728/II, CZ-389 25 Vodnany, Czech Republic
| | | | - John Paul Giesy
- Dept. Biomedical Veterinary Sciences and Toxicology Centre, University of Saskatchewan, 52 Campus Drive, Saskatoon, SK S7N 5B4, Saskatchewan, Canada; School of Biological Sciences, University of Hong Kong, Hong Kong, SAR, People's Republic of China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing, People's Republic of China
| | - Klára Hilscherová
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic.
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Babić S, Barišić J, Stipaničev D, Repec S, Lovrić M, Malev O, Martinović-Weigelt D, Čož-Rakovac R, Klobučar G. Assessment of river sediment toxicity: Combining empirical zebrafish embryotoxicity testing with in silico toxicity characterization. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 643:435-450. [PMID: 29945079 DOI: 10.1016/j.scitotenv.2018.06.124] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 05/29/2018] [Accepted: 06/10/2018] [Indexed: 05/25/2023]
Abstract
Quantitative chemical analyses of 428 organic contaminants (OCs) indicated the presence of 313 OCs in the sediment extracts from Sava River, Croatia. Pharmaceuticals were present in higher concentrations than pesticides thus confirming their increasing threat to freshwater ecosystems. Toxicity evaluation of the sediment extracts from four locations (Jesenice, Rugvica, Galdovo and Lukavec) using zebrafish embryotoxicity test (ZET) accompanied with semi-quantitative histopathological analyses exhibited correlation with cumulative number and concentrations of OCs at the investigated sites (10.05, 15.22, 1.25, and 9.13 μg/g respectively). Toxicity of sediment extracts and sediment was predicted using toxic unit (TU) approach and persistence, bioaccumulation and toxicity (PBT) ranking. Additionally, influential OCs and genes were identified by graph mining of the prior knowledge informed, site-specific chemical-gene interaction models. Predicted toxicity of sediment extracts (TUext) was similar to the results obtained by ZET and associated histopathology with Rugvica sediment being the most toxic, followed by Jesenice, Lukavec and Galdovo. Sediment TU (TUsed) favoured OCs with low octanol-water partition coefficients like herbicide glyphosate and antibiotics ciprofloxacin and sulfamethazine thus indicating locations containing higher concentrations of these OCs (Galdovo and Rugvica) as the most toxic. Results suggest that comprehensive in silico sediment toxicity predictions advocate providing equal attention to organic contaminants with either very low or very high log Kow.
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Affiliation(s)
- Sanja Babić
- Laboratory for Biotechnology in Aquaculture, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia; Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
| | - Josip Barišić
- Laboratory for Biotechnology in Aquaculture, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia; Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
| | - Draženka Stipaničev
- Croatian Waters, Central Water Management Laboratory, Ulica grada Vukovara 220, Zagreb, Croatia
| | - Siniša Repec
- Croatian Waters, Central Water Management Laboratory, Ulica grada Vukovara 220, Zagreb, Croatia
| | - Mario Lovrić
- Know-Center, Inffeldgasse 13/6, A-8010 Graz, Austria; NMR Centre, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
| | - Olga Malev
- Division of Zoology, Department of Biology, Faculty of Science, University of Zagreb, Rooseveltov trg 6, Zagreb, Croatia; Department for Translational Medicine, Children's Hospital Srebrnjak, Srebrnjak 100, Zagreb, Croatia
| | - Dalma Martinović-Weigelt
- University of St. Thomas, Department of Biology, Mail OWS 390, 2115 Summit Ave, Saint Paul, MN 55105, USA
| | - Rozelindra Čož-Rakovac
- Laboratory for Biotechnology in Aquaculture, Division of Materials Chemistry, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia; Centre of Excellence for Marine Bioprospecting-BioProCro, Ruđer Bošković Institute, Bijenička cesta 54, Zagreb, Croatia
| | - Göran Klobučar
- Division of Zoology, Department of Biology, Faculty of Science, University of Zagreb, Rooseveltov trg 6, Zagreb, Croatia.
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Carazo-Rojas E, Pérez-Rojas G, Pérez-Villanueva M, Chinchilla-Soto C, Chin-Pampillo JS, Aguilar-Mora P, Alpízar-Marín M, Masís-Mora M, Rodríguez-Rodríguez CE, Vryzas Z. Pesticide monitoring and ecotoxicological risk assessment in surface water bodies and sediments of a tropical agro-ecosystem. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2018; 241:800-809. [PMID: 29909306 DOI: 10.1016/j.envpol.2018.06.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2018] [Revised: 05/31/2018] [Accepted: 06/06/2018] [Indexed: 06/08/2023]
Abstract
UNLABELLED A pesticide monitoring study including 80 and 60 active ingredients (in surface waters and sediments, respectively) was carried out in a river basin in Costa Rica during 2007-2012. A special emphasis was given on the exceptional ecological conditions of the tropical agro-ecosystem and the pesticide application strategies in order to establish a reliable monitoring network. A total of 135 water samples and 129 sediment samples were collected and analyzed. Long-term aquatic ecotoxicological risk assessment based on risk quotient in three trophic levels was conducted. Short-term risk assessment was used to calculate the toxic unit and prioritization of sampling sites was conducted by the sum of toxic units in both aquatic and sediment compartments. Dimethoate (61.2 μg/L), propanil (30.6 μg/L), diuron (22.8 μg/L) and terbutryn (4.8 μg/L) were detected at the highest concentrations in water samples. Carbendazim and endosulfan were the most frequently detected pesticides in water and sediment samples, respectively. Triazophos (491 μg/kg), cypermethrin (71.5 μg/kg), permethrin (47.8 μg/kg), terbutryn (38.7 μg/kg), chlorpyrifos (18.2 μg/kg) and diuron (11.75 μg/kg) were detected at the highest concentrations in sediment samples. The pesticides carbendazim, diuron, endosulfan, epoxyconazole, propanil, triazophos and terbutryn showed non-acceptable risk even when a conservative scenario was considered. Sum TUsite higher than 1 was found for one and two sampling sites in water and sediment compartments, respectively, suggesting high acute toxicity for the ecosystem. MAIN FINDING OF THE WORK Exceptional ecological conditions of the tropical agro-ecosystem affect the fate of pesticides in water and sediment environment differently than the temperate one.
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Affiliation(s)
- Elizabeth Carazo-Rojas
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Greivin Pérez-Rojas
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Marta Pérez-Villanueva
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Cristina Chinchilla-Soto
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Juan Salvador Chin-Pampillo
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Paula Aguilar-Mora
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Melvin Alpízar-Marín
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Mario Masís-Mora
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Carlos E Rodríguez-Rodríguez
- Centro de Investigación en Contaminación Ambiental (CICA), Universidad de Costa Rica, 2060, San José, Costa Rica
| | - Zisis Vryzas
- Laboratory of Agricultural Pharmacology and Ecotoxicology, Department of Agricultural Development, Democritus University of Thrace, 68200, Orestias, Greece.
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Coors A, Vollmar P, Sacher F, Polleichtner C, Hassold E, Gildemeister D, Kühnen U. Prospective environmental risk assessment of mixtures in wastewater treatment plant effluents - Theoretical considerations and experimental verification. WATER RESEARCH 2018; 140:56-66. [PMID: 29684702 DOI: 10.1016/j.watres.2018.04.031] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 04/12/2018] [Accepted: 04/13/2018] [Indexed: 06/08/2023]
Abstract
The aquatic environment is continually exposed to a complex mixture of chemicals, whereby effluents of wastewater treatment plants (WWTPs) are one key source. The aim of the present study was to investigate whether environmental risk assessments (ERAs) addressing individual substances are sufficiently protective for such coincidental mixtures. Based on a literature review of chemicals reported to occur in municipal WWTP effluents and mode-of-action considerations, four different types of mixtures were composed containing human pharmaceuticals, pesticides, and chemicals regulated under REACH. The experimentally determined chronic aquatic toxicity of these mixtures towards primary producers and the invertebrate Daphnia magna could be adequately predicted by the concept of concentration addition, with up to 5-fold overestimation and less than 3-fold underestimation of mixture toxicity. Effluents of a municipal WWTP had no impact on the predictability of mixture toxicity and showed no adverse effects on the test organisms. Predictive ERAs for the individual mixture components based on here derived predicted no effect concentrations (PNECs) and median measured concentrations in WWTP effluents (MCeff) indicated no unacceptable risk for any of the individual chemicals, while MCeff/PNEC summation indicated a possible risk for multi-component mixtures. However, a refined mixture assessment based on the sum of toxic units at species level indicated no unacceptable risks, and allowed for a safety margin of more than factor 10, not taking into account any dilution of WWTP effluents by surface waters. Individual substances, namely climbazole, fenofibric acid and fluoxetine, were dominating the risks of the investigated mixtures, while added risk due to the mixture was found to be low with the risk quotient being increased by less than factor 2. Yet, uncertainty remains regarding chronic mixture toxicity in fish, which was not included in the present study. The number and identity of substances composing environmental mixtures such as WWTP effluents is typically unknown. Therefore, a mixture assessment factor is discussed as an option for a prospective ERA of mixtures of unknown composition.
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Affiliation(s)
- Anja Coors
- ECT Oekotoxikologie GmbH, Boettgerstrasse 2-14, 65439 Flörsheim/Main, Germany.
| | - Pia Vollmar
- ECT Oekotoxikologie GmbH, Boettgerstrasse 2-14, 65439 Flörsheim/Main, Germany
| | - Frank Sacher
- DVGW-Technologiezentrum Wasser (TZW), Karlsruher Straße 84, 76139 Karlsruhe, Germany
| | | | - Enken Hassold
- UBA - German Environment Agency, Wörlitzer Platz 1, 06844 Dessau-Roßlau, Germany
| | - Daniela Gildemeister
- UBA - German Environment Agency, Wörlitzer Platz 1, 06844 Dessau-Roßlau, Germany
| | - Ute Kühnen
- UBA - German Environment Agency, Wörlitzer Platz 1, 06844 Dessau-Roßlau, Germany
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Al-Fanharawi AA, Rabee AM, Al-Mamoori AMJ. Biochemical and molecular alterations in freshwater mollusks as biomarkers for petroleum product, domestic heating oil. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2018; 158:69-77. [PMID: 29660615 DOI: 10.1016/j.ecoenv.2018.04.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Revised: 04/02/2018] [Accepted: 04/04/2018] [Indexed: 06/08/2023]
Abstract
To investigate the effect one of the oil products, domestic heating oil (DHO), on freshwater mollusks, Unio tigridis and Viviparous bengalensis were exposed to three DHO concentrations for each species (5.8, 8.7, and 17.4 ml L-1 for mussels; 6.5, 9.7, and 19.5 mlL-1 for snails, respectively). Antioxidant enzymes (superoxide dismutase, catalase), malondialdehyde, acetylcholinesterase and DNA damage in both species tissues were monitored over 21 days. The results showed that both antioxidant enzymes concentration (SOD and CAT) increased in the lowest DHO concentrations (5.8, and 8.7 ml L-1), and then decreased in the highest concentration (17.4 ml L-1) as the same pattern for Unio tigridis, but this not occurred for Viviparous bengalensis. MDA values recorded significantly increased compared to control. No reduction was observed in AChE concentrations in soft tissues of both mollusks may due to that DHO was a non-neurotoxicant to Unio tigridis and Viviparous bengalensis. The results of DNA damage parameters were showed significant differences (p≤ 0.05) between control and DHO concentrations except lowest concentration for each parameter measured in digestive gland of Unio tigridis. As well as, these significant differences were recorded between control and three concentrations of DHO exposure for comet length, and tail length parameters, and between control and highest oil concentration for tail moment in Viviparous bengalensis. DHO has the ability to prevent the reproduction of Viviparous bengalensis snail relation to control, that is what we considered strong evidence of the toxicity properties of DHO on the reproductive status of this species of snails. SOD, CAT, and MDA were useful biomarkers for evaluating the toxicity of DHO in mussel and snails, and comet assay was a good tool to assess the potential genotoxicity of DHO.
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Affiliation(s)
| | - Adel M Rabee
- Department of Biology, College of Science, University of Baghdad, Baghdad, Iraq
| | - Ayad M J Al-Mamoori
- Department of Biology, College of Science, University of Babylon, Babylon, Iraq
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Posthuma L, Brown CD, de Zwart D, Diamond J, Dyer SD, Holmes CM, Marshall S, Burton GA. Prospective mixture risk assessment and management prioritizations for river catchments with diverse land uses. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2018; 37:715-728. [PMID: 28845901 PMCID: PMC5873277 DOI: 10.1002/etc.3960] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2017] [Accepted: 08/23/2017] [Indexed: 05/10/2023]
Abstract
Ecological risk assessment increasingly focuses on risks from chemical mixtures and multiple stressors because ecosystems are commonly exposed to a plethora of contaminants and nonchemical stressors. To simplify the task of assessing potential mixture effects, we explored 3 land use-related chemical emission scenarios. We applied a tiered methodology to judge the implications of the emissions of chemicals from agricultural practices, domestic discharges, and urban runoff in a quantitative model. The results showed land use-dependent mixture exposures, clearly discriminating downstream effects of land uses, with unique chemical "signatures" regarding composition, concentration, and temporal patterns. Associated risks were characterized in relation to the land-use scenarios. Comparisons to measured environmental concentrations and predicted impacts showed relatively good similarity. The results suggest that the land uses imply exceedances of regulatory protective environmental quality standards, varying over time in relation to rain events and associated flow and dilution variation. Higher-tier analyses using ecotoxicological effect criteria confirmed that species assemblages may be affected by exposures exceeding no-effect levels and that mixture exposure could be associated with predicted species loss under certain situations. The model outcomes can inform various types of prioritization to support risk management, including a ranking across land uses as a whole, a ranking on characteristics of exposure times and frequencies, and various rankings of the relative role of individual chemicals. Though all results are based on in silico assessments, the prospective land use-based approach applied in the present study yields useful insights for simplifying and assessing potential ecological risks of chemical mixtures and can therefore be useful for catchment-management decisions. Environ Toxicol Chem 2018;37:715-728. © 2017 The Authors. Environmental Toxicology Chemistry Published by Wiley Periodicals, Inc.
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Affiliation(s)
- Leo Posthuma
- National Institute for Public Health and the Environment (RIVM)Centre for SustainabilityEnvironment and HealthBilthovenThe Netherlands
- Department of Environmental ScienceInstitute for Wetland and Water ResearchFaculty of ScienceRadboud UniversityNijmegenThe Netherlands
| | - Colin D. Brown
- Environment DepartmentUniversity of YorkHeslingtonYorkUK
| | | | | | | | | | - Stuart Marshall
- Safety and Environmental Assurance CentreUnileverSharnbrookBedfordUnited Kingdom
| | - G. Allen Burton
- School for Environment and SustainabilityUniversity of MichiganAnn ArborMichiganUSA
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45
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Olalla A, Negreira N, López de Alda M, Barceló D, Valcárcel Y. A case study to identify priority cytostatic contaminants in hospital effluents. CHEMOSPHERE 2018; 190:417-430. [PMID: 29024886 DOI: 10.1016/j.chemosphere.2017.09.129] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 09/20/2017] [Accepted: 09/26/2017] [Indexed: 05/24/2023]
Abstract
This study analyses the presence of 17 cytostatic agents from seven different groups, based on their different mechanisms of action, in the effluent from a medium-sized hospital located in eastern Spain. Analysis of the compounds found in the effluents studied involved solidphase extraction (SPE) coupled on-line to a high performance liquid chromatograph tandem mass spectrometer (HPLC-MS/MS). The environmental risk of the compounds studied was then assessed by calculating the hazard quotient (HQ), combining the measured environmental concentrations (MECs) with dose-response data based on the predicted no effect concentrations (PNECs). In addition, the environmental hazard associated was evaluated in accordance with their intrinsic characteristics by calculating the PBT (Persistence Bioaccumulation Toxicity) index. The results of this study showed the presence of seven of the 17 compounds analysed in a range of between 25 and 4761 ng/L. The highest concentrations corresponded to ifosfamide (58-4761 ng/L), methotrexate (394-4756 ng/L) and cyclophosphamide (46-3000 ng/L). Assessment of the environmental hazard showed that the three hormonal agents (tamoxifen and its metabolites endoxifen and hydroxytamoxifen) exhibited a maximum PBT value of 9 due to their inherent harm to the environment resulting from their characteristics of persistence, bioaccumulation and toxicity. A combined evaluation of the risk and environmental hazard showed that three of the 17 compounds studied, namely, ifosfamide, imatinib and irinotecan, all of which exhibited HQ values higher than 10 and PBT indices of 6, indicative of a particularly high potential to harm the environment, deserve special attention.
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Affiliation(s)
- A Olalla
- Research Group in Environmental Toxicology and Risk Assessment (TAyER), Rey Juan Carlos University, Avda Tulipán. s/n, 28933 Móstoles, Madrid, Spain.
| | - N Negreira
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain; International Iberian Nanotechnology Laboratory (INL), Avda, Mestre José Veiga s/n, 4715 Braga, Portugal
| | - M López de Alda
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
| | - D Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain; Catalan Institute for Water Research (ICRA), H2O Building, Scientific and Technological Park of the University of Girona, Emili Grahit 101, 17003 Girona, Spain
| | - Y Valcárcel
- Research Group in Environmental Toxicology and Risk Assessment (TAyER), Rey Juan Carlos University, Avda Tulipán. s/n, 28933 Móstoles, Madrid, Spain; Department of Medicine and Surgery, Psychology, Preventive Medicine and Public Health, Immunology and Medical Microbiology, Faculty of Health Sciences, Rey Juan Carlos University, Avda. Atenas, s/n, 28922 Alcorcón, Madrid, Spain.
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Determination of steroid hormones in fish tissues by microwave-assisted extraction coupled to ultra-high performance liquid chromatography tandem mass spectrometry. Food Chem 2017; 237:1012-1020. [DOI: 10.1016/j.foodchem.2017.06.065] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 05/28/2017] [Accepted: 06/08/2017] [Indexed: 11/18/2022]
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Tousova Z, Oswald P, Slobodnik J, Blaha L, Muz M, Hu M, Brack W, Krauss M, Di Paolo C, Tarcai Z, Seiler TB, Hollert H, Koprivica S, Ahel M, Schollée JE, Hollender J, Suter MJF, Hidasi AO, Schirmer K, Sonavane M, Ait-Aissa S, Creusot N, Brion F, Froment J, Almeida AC, Thomas K, Tollefsen KE, Tufi S, Ouyang X, Leonards P, Lamoree M, Torrens VO, Kolkman A, Schriks M, Spirhanzlova P, Tindall A, Schulze T. European demonstration program on the effect-based and chemical identification and monitoring of organic pollutants in European surface waters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2017. [PMID: 28629112 DOI: 10.1016/j.scitotenv.2017.06.032] [Citation(s) in RCA: 112] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Growing concern about the adverse environmental and human health effects of a wide range of micropollutants requires the development of novel tools and approaches to enable holistic monitoring of their occurrence, fate and effects in the aquatic environment. A European-wide demonstration program (EDP) for effect-based monitoring of micropollutants in surface waters was carried out within the Marie Curie Initial Training Network EDA-EMERGE. The main objectives of the EDP were to apply a simplified protocol for effect-directed analysis, to link biological effects to target compounds and to estimate their risk to aquatic biota. Onsite large volume solid phase extraction of 50 L of surface water was performed at 18 sampling sites in four European river basins. Extracts were subjected to effect-based analysis (toxicity to algae, fish embryo toxicity, neurotoxicity, (anti-)estrogenicity, (anti-)androgenicity, glucocorticoid activity and thyroid activity), to target analysis (151 organic micropollutants) and to nontarget screening. The most pronounced effects were estrogenicity, toxicity to algae and fish embryo toxicity. In most bioassays, major portions of the observed effects could not be explained by target compounds, especially in case of androgenicity, glucocorticoid activity and fish embryo toxicity. Estrone and nonylphenoxyacetic acid were identified as the strongest contributors to estrogenicity, while herbicides, with a minor contribution from other micropollutants, were linked to the observed toxicity to algae. Fipronil and nonylphenol were partially responsible for the fish embryo toxicity. Within the EDP, 21 target compounds were prioritized on the basis of their frequency and extent of exceedance of predicted no effect concentrations. The EDP priority list included 6 compounds, which are already addressed by European legislation, and 15 micropollutants that may be important for future monitoring of surface waters. The study presents a novel simplified protocol for effect-based monitoring and draws a comprehensive picture of the surface water status across Europe.
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Affiliation(s)
- Zuzana Tousova
- Environmental Institute (EI), Okruzna 784/42, 972 41 Kos, Slovak Republic; Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Peter Oswald
- Environmental Institute (EI), Okruzna 784/42, 972 41 Kos, Slovak Republic
| | - Jaroslav Slobodnik
- Environmental Institute (EI), Okruzna 784/42, 972 41 Kos, Slovak Republic
| | - Ludek Blaha
- Masaryk University, Faculty of Science, RECETOX, Kamenice 753/5, 625 00 Brno, Czech Republic
| | - Melis Muz
- UFZ Helmholtz Centre for Environmental Research GmbH, Permoserstrasse 15, 04318 Leipzig, Germany; RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Meng Hu
- UFZ Helmholtz Centre for Environmental Research GmbH, Permoserstrasse 15, 04318 Leipzig, Germany; RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Werner Brack
- UFZ Helmholtz Centre for Environmental Research GmbH, Permoserstrasse 15, 04318 Leipzig, Germany; RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Martin Krauss
- UFZ Helmholtz Centre for Environmental Research GmbH, Permoserstrasse 15, 04318 Leipzig, Germany
| | - Carolina Di Paolo
- RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Zsolt Tarcai
- RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Thomas-Benjamin Seiler
- RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Henner Hollert
- RWTH Aachen University, Institute for Environmental Research (Biology V), Department of Ecosystem Analysis, Worringerweg 1, 52074 Aachen, Germany
| | - Sanja Koprivica
- Rudjer Boskovic Institute, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Marijan Ahel
- Rudjer Boskovic Institute, Bijenicka cesta 54, 10000 Zagreb, Croatia
| | - Jennifer E Schollée
- Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland
| | - Juliane Hollender
- Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland
| | - Marc J-F Suter
- Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland
| | - Anita O Hidasi
- Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland; EPF Lausanne, School of Architecture, Civil and Environmental Engineering, 1015 Lausanne, Switzerland
| | - Kristin Schirmer
- Eawag, Überlandstrasse 133, 8600 Dübendorf, Switzerland; Institute of Biogeochemistry and Pollutant Dynamics, ETH Zürich, 8092 Zürich, Switzerland; EPF Lausanne, School of Architecture, Civil and Environmental Engineering, 1015 Lausanne, Switzerland
| | - Manoj Sonavane
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité ECOT, Parc ALATA - BP2, 60550 Verneuil-en-Halatte, France
| | - Selim Ait-Aissa
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité ECOT, Parc ALATA - BP2, 60550 Verneuil-en-Halatte, France
| | - Nicolas Creusot
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité ECOT, Parc ALATA - BP2, 60550 Verneuil-en-Halatte, France
| | - Francois Brion
- Institut National de l'Environnement Industriel et des Risques (INERIS), Unité ECOT, Parc ALATA - BP2, 60550 Verneuil-en-Halatte, France
| | - Jean Froment
- UFZ Helmholtz Centre for Environmental Research GmbH, Permoserstrasse 15, 04318 Leipzig, Germany; Norwegian Institute for Water Research (NIVA), Ecotoxicology and Risk Assessment, Gaustadallèen 21, NO-0349 Oslo, Norway
| | - Ana Catarina Almeida
- Norwegian Institute for Water Research (NIVA), Ecotoxicology and Risk Assessment, Gaustadallèen 21, NO-0349 Oslo, Norway
| | - Kevin Thomas
- Norwegian Institute for Water Research (NIVA), Ecotoxicology and Risk Assessment, Gaustadallèen 21, NO-0349 Oslo, Norway; Queensland Alliance for Environmental Health Sciences (QAEHS), The University of Queensland, 39 Keesels Road, Coopers Plains 4108, Australia
| | - Knut Erik Tollefsen
- Norwegian Institute for Water Research (NIVA), Ecotoxicology and Risk Assessment, Gaustadallèen 21, NO-0349 Oslo, Norway; Norwegian University of Life Sciences (NMBU), Faculty of Environmental Science & Technology, Dept. for Environmental Sciences, Post Box 5003, N-1432 Ås, Norway
| | - Sara Tufi
- Vrije Universiteit Amsterdam, Department Environment & Health, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands
| | - Xiyu Ouyang
- Vrije Universiteit Amsterdam, Department Environment & Health, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands
| | - Pim Leonards
- Vrije Universiteit Amsterdam, Department Environment & Health, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands
| | - Marja Lamoree
- Vrije Universiteit Amsterdam, Department Environment & Health, De Boelelaan 1087, 1081 HV Amsterdam, The Netherlands
| | - Victoria Osorio Torrens
- KWR, Watercycle Research Institute, Department of Chemical Water, Quality and Health, P.O. Box 1072, 3430 BB Nieuwegein, The Netherlands
| | - Annemieke Kolkman
- KWR, Watercycle Research Institute, Department of Chemical Water, Quality and Health, P.O. Box 1072, 3430 BB Nieuwegein, The Netherlands
| | - Merijn Schriks
- KWR, Watercycle Research Institute, Department of Chemical Water, Quality and Health, P.O. Box 1072, 3430 BB Nieuwegein, The Netherlands; Vitens drinking water company, P.O Box 1205, 8001 BE Zwolle, The Netherlands
| | | | - Andrew Tindall
- WatchFrog S. A., 1 rue Pierre Fontaine, 91000 Evry, France
| | - Tobias Schulze
- UFZ Helmholtz Centre for Environmental Research GmbH, Permoserstrasse 15, 04318 Leipzig, Germany.
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González-Alonso S, Merino LM, Esteban S, López de Alda M, Barceló D, Durán JJ, López-Martínez J, Aceña J, Pérez S, Mastroianni N, Silva A, Catalá M, Valcárcel Y. Occurrence of pharmaceutical, recreational and psychotropic drug residues in surface water on the northern Antarctic Peninsula region. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2017; 229:241-254. [PMID: 28599208 DOI: 10.1016/j.envpol.2017.05.060] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 05/15/2017] [Accepted: 05/22/2017] [Indexed: 06/07/2023]
Abstract
Human presence in the Antarctic is increasing due to research activities and the rise in tourism. These activities contribute a number of potentially hazardous substances. The aim of this study is to conduct the first characterisation of the pharmaceuticals and recreational drugs present in the northern Antarctic Peninsula region, and to assess the potential environmental risk they pose to the environment. The study consisted of a single sampling of ten water samples from different sources, including streams, ponds, glacier drains, and a wastewater discharge into the sea. Twenty-five selected pharmaceuticals and 21 recreational drugs were analysed. The highest concentrations were found for the analgesics acetaminophen (48.74 μg L-1), diclofenac (15.09 μg L-1) and ibuprofen (10.05 μg L-1), and for the stimulant caffeine (71.33 μg L-1). All these substances were detected in waters that were discharged directly into the ocean without any prior purification processes. The hazard quotient (HQ) values for ibuprofen, diclofenac and acetaminophen were far in excess of 10 at several sampling points. The concentrations of each substance measured and used as measured environmental concentration values for the HQ calculations are based on a one-time sampling. The Toxic Unit values indicate that analgesics and anti-inflammatories are the therapeutic group responsible for the highest toxic burden. This study is the first to analyse a wide range of substances and to determine the presence of pharmaceuticals and psychotropic drugs in the Antarctic Peninsula region. We believe it can serve as a starting point to focus attention on the need for continued environmental monitoring of these substances in the water cycle, especially in protected regions such as the Antarctic. This will determine whether pharmaceuticals and recreational drugs are hazardous to the environment and, if so, can be used as the basis for risk-assessment studies to prioritise the exposure to risk.
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Affiliation(s)
- Silvia González-Alonso
- Research Group and Teaching in Environmental Toxicology and Risk Assessment (TAyER) of Rey Juan Carlos University, Avda. Atenas S/N, E-28922 Alcorcón, Madrid, Spain.
| | - Luis Moreno Merino
- Geological Survery of Spain, (IGME), C/Ríos Rosas 23, 28003 Madrid, Spain
| | - Sara Esteban
- Research Group and Teaching in Environmental Toxicology and Risk Assessment (TAyER) of Rey Juan Carlos University, Avda. Atenas S/N, E-28922 Alcorcón, Madrid, Spain
| | - Miren López de Alda
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
| | - Damià Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/ Jordi Girona, 18-26, 08034 Barcelona, Spain; Catalan Institute for Water Research (ICRA), Parc Científic i Tecnològic de la Universitat de Girona, Edifici H(2)O, Emili Grahit 101, 17003 Girona, Spain
| | - Juan José Durán
- Geological Survery of Spain, (IGME), C/Ríos Rosas 23, 28003 Madrid, Spain
| | - Jerónimo López-Martínez
- Department of Geology and Geochemistry, Faculty of Sciences, University Autónoma de Madrid, 28049 Madrid, Spain
| | - Jaume Aceña
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
| | - Sandra Pérez
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
| | - Nicola Mastroianni
- Water and Soil Quality Research Group, Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA-CSIC), C/ Jordi Girona, 18-26, 08034 Barcelona, Spain
| | - Adrián Silva
- National Institute of Water, Empalme J. Newbery km 1,620, Ezeiza, Buenos Aires, Argentina
| | - Myriam Catalá
- Department of Biology & Geology, Physics and Inorganic Chemistry, Higher School of Science and Technology (ESCET), Rey Juan Carlos University, Tulipán s/n, E-28933 Móstoles, Madrid, Spain
| | - Yolanda Valcárcel
- Research Group and Teaching in Environmental Toxicology and Risk Assessment (TAyER) of Rey Juan Carlos University, Avda. Atenas S/N, E-28922 Alcorcón, Madrid, Spain; Department of Medicine and Surgery, Psychology, Preventive Medicine and Public Health and Medical Microbiology and Immunology, Rey Juan Carlos University, Avda. Atenas s/n, E-28922 Alcorcón, Madrid, Spain.
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Sendra M, Pintado-Herrera MG, Aguirre-Martínez GV, Moreno-Garrido I, Martin-Díaz LM, Lara-Martín PA, J B. Are the TiO 2 NPs a "Trojan horse" for personal care products (PCPs) in the clam Ruditapes philippinarum? CHEMOSPHERE 2017; 185:192-204. [PMID: 28697425 DOI: 10.1016/j.chemosphere.2017.07.009] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 06/21/2017] [Accepted: 07/02/2017] [Indexed: 06/07/2023]
Abstract
In recent years, increasing quantities of personal care products (PCPs) are being released into the environment. However, data about bioaccumulation and toxicity are scarce; and extraction and analytical approaches are not well developed. In this work, the marine clam Ruditapes philippinarum, selected as model organism, has been employed to investigate bioaccumulation, antioxidant enzyme activities and DNA damage due to exposure to TiO2 nanoparticles and bulk TiO2 (inorganic compounds that are frequent components of PCPs, plastics, paints and coatings, foods and disinfectant water treatments). We have also studied the joint effect of both forms of inorganic TiO2 combined with four organic compounds (mixture exposures) commonly used in PCPs: an antimicrobial (triclosan), a fragrance (OTNE) and two UV filters (benzophenone-3 and octocrylene). Bioaccumulation of the inorganic compound, TiO2, was almost immediate and constant over exposure time. With respect to the organic compounds in mixtures, they were mediated by TiO2 and bioaccumulation is driven by reduced size of the particles. In fact, nanoparticles can be considered as a vector to organic compounds, such as triclosan and benzophenone-3. After a week of depuration, TiO2 NPs and TiO2 bulk in clams showed similar levels of concentration. Some organic compounds with bioactivity (Log Kow >3), like OTNE, showed low depuration after one week. The joint action of the organic compound mixture and either of the two forms of TiO2 provoked changes in enzyme activity responses. However, for the mixtures, DNA damage was found only after the depuration period.
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Affiliation(s)
- M Sendra
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain.
| | - M G Pintado-Herrera
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), Cádiz, 11510, Spain
| | - G V Aguirre-Martínez
- Andalusian Center for Marine Science and Technology (CACYTMAR), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain; Facultad de Ciencias de la Salud, Universidad Arturo Prat, Casilla 121, 1110939, Iquique, Chile
| | - I Moreno-Garrido
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain
| | - L M Martin-Díaz
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), Cádiz, 11510, Spain; Andalusian Center for Marine Science and Technology (CACYTMAR), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain
| | - P A Lara-Martín
- Physical Chemistry Department, Faculty of Marine and Environmental Sciences, University of Cadiz, Campus de Excelencia Internacional del Mar (CEI-MAR), Cádiz, 11510, Spain
| | - Blasco J
- Department of Ecology and Coastal Management, Institute of Marine Sciences of Andalusia (CSIC), Campus Río S. Pedro.11510, Puerto Real, Cádiz, 11510, Spain
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50
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D'Costa A, Shyama SK, Praveen Kumar MK. Bioaccumulation of trace metals and total petroleum and genotoxicity responses in an edible fish population as indicators of marine pollution. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2017; 142:22-28. [PMID: 28384500 DOI: 10.1016/j.ecoenv.2017.03.049] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2016] [Revised: 03/27/2017] [Accepted: 03/30/2017] [Indexed: 06/07/2023]
Abstract
The present study reports the genetic damage and the concentrations of trace metals and total petroleum hydrocarbons prevailing in natural populations of an edible fish, Arius arius in different seasons along the coast of Goa, India as an indicator of the pollution status of coastal water. Fish were collected from a suspected polluted site and a reference site in the pre-monsoon, monsoon and post-monsoon seasons. Physico-chemical parameters as well as the concentrations of total petroleum hydrocarbons (TPH) and trace metals in the water and sediment as well as the tissues of fish collected from these sites were recorded. The genotoxicity status of the fish was assessed employing the micronucleus test and comet assay. A positive correlation (p<0.001) was observed between the tail DNA and micronuclei in all the fish collected. Multiple regression analysis revealed that tissue and environmental pollutant concentrations and genotoxicity were positively associated and higher in the tissues of the fish collected from the polluted site. Pollution indicators and genotoxicity tests, combined with other physiological or biochemical parameters represent an essential integrated approach for efficient monitoring of aquatic ecosystems in Goa.
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Affiliation(s)
- Avelyno D'Costa
- Genetic Toxicology Laboratory, Department of Zoology, Goa University, Goa 403 206, India.
| | - S K Shyama
- Genetic Toxicology Laboratory, Department of Zoology, Goa University, Goa 403 206, India.
| | - M K Praveen Kumar
- Genetic Toxicology Laboratory, Department of Zoology, Goa University, Goa 403 206, India.
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