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Herrera-Vázquez SE, Elizalde-Velázquez GA, Gómez-Oliván LM, Chanona-Pérez JJ, Hernández-Varela JD, Hernández-Díaz M, García-Medina S, Orozco-Hernández JM, Colín-García K. Ecotoxicological evaluation of chitosan biopolymer films particles in adult zebrafish (Danio rerio): A comparative study with polystyrene microplastics. Sci Total Environ 2024; 929:172757. [PMID: 38670364 DOI: 10.1016/j.scitotenv.2024.172757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/29/2024] [Revised: 04/16/2024] [Accepted: 04/23/2024] [Indexed: 04/28/2024]
Abstract
To mitigate the environmental impact of microplastics (MPs), the scientific community has innovated sustainable and biodegradable polymers as viable alternatives to traditional plastics. Chitosan, the deacetylated form of chitin, stands as one of the most thoroughly investigated biopolymers and has garnered significant interest due to its versatile applications in both medical and cosmetic fields. Nevertheless, there is still a knowledge gap regarding the impact that chitosan biopolymer films (CBPF) may generate in aquatic organisms. In light of the foregoing, this study aimed to assess and compare the potential effects of CBPF on the gastrointestinal tract, gills, brain, and liver of Danio rerio against those induced by MPs. The findings revealed that both CBPF and MPs induced changes in the levels of oxidative stress biomarkers across all organs. However, it is essential to note that our star plots illustrate a tendency for CBPF to activate antioxidant enzymes and for MPs to produce oxidative damage. Regarding gene expression, our findings indicate that MPs led to an up-regulation in the expression of genes associated with apoptotic response (p53, casp3, cas9, bax, and bcl2) in all fish organs. Meanwhile, CBPF produced the same effect in genes related to antioxidant response (nrf1 and nrf2). Overall, our histological observations substantiated these effects, revealing the presence of plastic particles and tissue alterations in the gills and gastrointestinal tract of fish subjected to MPs. From these results, it can be concluded that CBPF does not represent a risk to fish after long exposure.
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Affiliation(s)
- Selene Elizabeth Herrera-Vázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Gustavo Axel Elizalde-Velázquez
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Leobardo Manuel Gómez-Oliván
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico.
| | - José Jorge Chanona-Pérez
- Departamento de Ingeniería Bioquímica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México CP 07700, Mexico
| | - Josué David Hernández-Varela
- Departamento de Ingeniería Bioquímica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México CP 07700, Mexico
| | - Misael Hernández-Díaz
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México CP, 07700, Mexico
| | - Sandra García-Medina
- Laboratorio de Toxicología Acuática, Departamento de Farmacia, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Unidad Profesional Adolfo López Mateos, Av. Wilfrido Massieu s/n y cerrada Manuel Stampa, Col. Industrial Vallejo, Ciudad de México CP, 07700, Mexico
| | - José Manuel Orozco-Hernández
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
| | - Karla Colín-García
- Laboratorio de Toxicología Ambiental, Facultad de Química, Universidad Autónoma del Estado de México, Paseo Colón intersección Paseo Tollocan, Colonia Residencial Colón, CP 50120 Toluca, Estado de México, Mexico
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Zhang L, Wang D, Yuan J, Chen J, Ding T, Zhu T, Li J. Ecotoxicological impact of naproxen on Eisenia fetida: Unraveling soil contamination risks and the modulating role of microplastics. Sci Total Environ 2024; 928:172267. [PMID: 38583628 DOI: 10.1016/j.scitotenv.2024.172267] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/07/2024] [Revised: 04/01/2024] [Accepted: 04/04/2024] [Indexed: 04/09/2024]
Abstract
Soils represent crucial sinks for pharmaceuticals and microplastics, making them hotspots for pharmaceuticals and plastic pollution. Despite extensive research on the toxicity of pharmaceuticals and microplastics individually, there is limited understanding of their combined effects on soil biota. This study focused on the earthworm Eisenia fetida as test organism to evaluate the biotoxicity and bioaccumulation of the typical pharmaceutical naproxen and microplastics in earthworms. Results demonstrated that high concentrations of naproxen (100 mg kg-1) significantly increased the malondialdehyde (MDA) content, inducing lipid peroxidation. Even though the low exposure of naproxen exhibits no significant influence to Eisenia fetida, the lipid peroxidation caused by higher concentration than environmental relevant concentrations necessitate attention due to temporal and spatial concentration variability found in the soil environment. Meanwhile, microplastics caused oxidative damage to antioxidant enzymes by reducing the superoxide dismutase (SOD) activity and MDA content in earthworms. Metabolome analysis revealed increased lipid metabolism in naproxen-treated group and reduced lipid metabolism in the microplastic-treated group. The co-exposure of naproxen and microplastics exhibited a similar changing trend to the microplastics-treated group, emphasizing the significant influence of microplastics. The detection of numerous including lipids like 17-Hydroxyandrostane-3-glucuronide, lubiprostone, morroniside, and phosphorylcholine, serves to identify potential biomarkers for naproxen and microplastics exposure. Additionally, microplastics increased the concentration of naproxen in earthworms at sub-organ and subcellular level. This study contributes valuable insights into the biotoxicity and distribution of naproxen and microplastics in earthworms, enhancing our understanding of their combined ecological risk to soil biota.
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Affiliation(s)
- Lili Zhang
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Dingxin Wang
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jiahui Yuan
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Jiazhe Chen
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Tengda Ding
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Tingting Zhu
- State Environmental Protection Key Laboratory of Drinking Water Source Management and Technology, Shenzhen Key Laboratory of Emerging Contaminants Detection and Control in Water Environment, Guangdong Engineering Research Center of Low Energy Sewage Treatment, Shenzhen Academy of Environmental Sciences, Shenzhen 518001, China
| | - Juying Li
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China.
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Kim R, Jo J, Yoon H, Park JW. Ultra-high performance concrete alleviates ecotoxicological effects in aquatic organisms. Sci Total Environ 2024; 928:172538. [PMID: 38636863 DOI: 10.1016/j.scitotenv.2024.172538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 03/23/2024] [Accepted: 04/15/2024] [Indexed: 04/20/2024]
Abstract
With the advancement of cementitious material technologies, ultra-high performance concretes incorporating nano- and(or) micro-sized particle materials have been developed; however, their environmental risks are still poorly understood. This study investigates the ecotoxicological effects of ultra-high performance concrete (UC) leachate by comparing with that of the conventional concrete (CC) leachate. For this purpose, a dynamic leaching test and a battery test with algae, water flea, and zebrafish were performed using standardized protocols. The conductivity, concentration of inorganic elements (Al, K, Na, and Fe), and total organic concentration were lower in the UC leachate than in the CC leachate. The EC50 values of the CC and UC leachates were 44.9 % and >100 % in algae, and 8.0 % and 63.1 % in water flea, respectively. All zebrafish exposed to the CC and UC leachates survived. A comprehensive evaluation of the ecotoxicity of the CC and UC leachate based on the toxicity classification system (TCS) showed that their toxicity classification was "highly acute toxicity" and "acute toxicity", respectively. Based on the hazard quotient and principal component analysis, Al and(or) K could be significant factors determining the ecotoxicity of concrete leachate. Furthermore, the ecotoxicity of UC could not be attributed to the use of silica-based materials or multi-wall carbon nanotubes. This study is the first of its kind on the ecotoxicity of UC leachate in aquatic environments, and the results of this study can be used to develop environment-friendly UC.
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Affiliation(s)
- Rosa Kim
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology (KIT), Jinju 52834, Republic of Korea; Department of Ocean Integrated Science, Chonnam National University, Yeosu 59626, Republic of Korea
| | - Jungman Jo
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology (KIT), Jinju 52834, Republic of Korea
| | - Hakwon Yoon
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology (KIT), Jinju 52834, Republic of Korea; Department of Biological Environment, Kangwon National University, Chuncheon 24341, Republic of Korea.
| | - June-Woo Park
- Environmental Exposure & Toxicology Research Center, Korea Institute of Toxicology (KIT), Jinju 52834, Republic of Korea; Human and Environmental Toxicology Program, Korea University of Science and Technology (UST), 217, Gajeong-ro, Daejeon 34113, Republic of Korea.
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Okeke ES, Ezeorba TPC, Chen Y, Mao G, Feng W, Wu X. Association of tetrabromobisphenol A (TBBPA) with micro/nano-plastics: A review of recent findings on ecotoxicological and health impacts. Sci Total Environ 2024; 927:172308. [PMID: 38599396 DOI: 10.1016/j.scitotenv.2024.172308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 04/05/2024] [Accepted: 04/06/2024] [Indexed: 04/12/2024]
Abstract
Despite the diverse research into the environmental impact of plastics, several stones have yet to be unraveled in terms of their ecotoxicological potential. Moreover, their detrimental impacts have become terrifying in recent years as the understanding of their tendency to associate and form cohorts with other emerging contaminants grew. Despite the hypothesis that microplastics may potentially adsorb organic pollutants, sequestering and making them not bioavailable for enhanced toxicity, evidence with pollutants such as Tetrabromobisphenol A (TBBPA) defers this assertion. TBBPA, one of the most widely used brominated flame retardants, has been enlisted as an emerging contaminant of serious environmental and human health concerns. Being also an additive to plasticware, it is not far to suspect that TBBPA could be found in association with micro/nanoplastics in our environment. Several pieces of evidence from recent studies have confirmed the micro/nanoplastics-TBBPA association and have exposed their compounded detrimental impacts on the environment and human health. This study, therefore, presents a comprehensive and up-to-date review of recent findings regarding their occurrence, factors that foster their association, including their sorption kinetics and isotherms, and their impacts on aquatic/agroecosystem and human health. The way forward and prospects for future studies were presented. This research is believed to be of significant interest to the readership due to its relevance to current environmental challenges posed by plastics and TBBPA. The study not only contributes valuable insights into the specific interaction between micro/nanoplastics and TBBPA but also suggests the way forward and prospects for future studies in this field.
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Affiliation(s)
- Emmanuel Sunday Okeke
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China; Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State 410001, Nigeria; Department of Biochemistry, Faculty of Biological Science, University of Nigeria, Nsukka, Enugu State 410001, Nigeria
| | - Timothy Prince Chidike Ezeorba
- Natural Science Unit, School of General Studies, University of Nigeria, Nsukka, Enugu State 410001, Nigeria; Department of Biochemistry, Faculty of Biological Science, University of Nigeria, Nsukka, Enugu State 410001, Nigeria; Department of Environmental Health and Risk Management, College of Life and Environmental Sciences, University of Birmingham, Edgbaston B15 2TT, United Kingdom
| | - Yao Chen
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Guanghua Mao
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China
| | - Weiwei Feng
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China.
| | - Xiangyang Wu
- Institute of Environmental Health and Ecological Security, School of Emergency Management, School of the Environment and Safety, Jiangsu University, 301 Xuefu Rd., 212013 Zhenjiang, Jiangsu, China.
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Gautam K, Pandey N, Yadav D, Parthasarathi R, Turner A, Anbumani S, Jha AN. Ecotoxicological impacts of landfill sites: Towards risk assessment, mitigation policies and the role of artificial intelligence. Sci Total Environ 2024; 927:171804. [PMID: 38513865 DOI: 10.1016/j.scitotenv.2024.171804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Revised: 03/14/2024] [Accepted: 03/16/2024] [Indexed: 03/23/2024]
Abstract
Waste disposal in landfills remains a global concern. Despite technological developments, landfill leachate poses a hazard to ecosystems and human health since it acts as a secondary reservoir for legacy and emerging pollutants. This study provides a systematic and scientometric review of the nature and toxicity of pollutants generated by landfills and means of assessing their potential risks. Regarding human health, unregulated waste disposal and pathogens in leachate are the leading causes of diseases reported in local populations. Both in vitro and in vivo approaches have been employed in the ecotoxicological risk assessment of landfill leachate, with model organisms ranging from bacteria to birds. These studies demonstrate a wide range of toxic effects that reflect the complex composition of leachate and geographical variations in climate, resource availability and management practices. Based on bioassay (and other) evidence, categories of persistent chemicals of most concern include brominated flame retardants, per- and polyfluorinated chemicals, pharmaceuticals and alkyl phenol ethoxylates. However, the emerging and more general literature on microplastic toxicity suggests that these particles might also be problematic in leachate. Various mitigation strategies have been identified, with most focussing on improving landfill design or leachate treatment, developing alternative disposal methods and reducing waste volume through recycling or using more sustainable materials. The success of these efforts will rely on policies and practices and their enforcement, which is seen as a particular challenge in developing nations and at the international (and transboundary) level. Artificial intelligence and machine learning afford a wide range of options for evaluating and reducing the risks associated with leachates and gaseous emissions from landfills, and various approaches tested or having potential are discussed. However, addressing the limitations in data collection, model accuracy, real-time monitoring and our understanding of environmental impacts will be critical for realising this potential.
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Affiliation(s)
- Krishna Gautam
- Ecotoxicology Laboratory, REACT Division, CSIR-Indian Institute of Toxicology Research, CRK Campus, Lucknow 226008, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Namrata Pandey
- Ecotoxicology Laboratory, REACT Division, CSIR-Indian Institute of Toxicology Research, CRK Campus, Lucknow 226008, Uttar Pradesh, India
| | - Dhvani Yadav
- Computational Toxicology Facility, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Ramakrishnan Parthasarathi
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India; Computational Toxicology Facility, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Andrew Turner
- School of Geography, Earth and Environmental Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK
| | - Sadasivam Anbumani
- Ecotoxicology Laboratory, REACT Division, CSIR-Indian Institute of Toxicology Research, CRK Campus, Lucknow 226008, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Awadhesh N Jha
- School of Biological and Marine Sciences, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK.
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Karpov MA, Hobbs C, Jayasinghe SN, Stürzenbaum SR. Metallomic mapping of gut and brain in heavy metal exposed earthworms: A novel paradigm in ecotoxicology. Biochem Biophys Res Commun 2024; 709:149827. [PMID: 38554600 DOI: 10.1016/j.bbrc.2024.149827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 03/24/2024] [Indexed: 04/01/2024]
Abstract
This study explored the uptake of lead in the epigeic earthworm Dendrobaena veneta exposed to 0, 1000, and 2500 μg Pb/g soil. The soil metal content was extracted using strong acid digestion and water leaching, and analysed by means of Inductively Coupled Plasma Mass Spectrometry (ICP-MS) to estimate absolute and bioavailable concentrations of metals in the soil. The guts and heads of lead-exposed earthworms were processed into formalin-fixed and paraffin embedded sections for high-resolution multi-element metallomic imaging via Laser Ablation ICP-MS (LA-ICP-MS). Metallomic maps of phosphorus, zinc, and lead were produced at 15-μm resolution in the head and gut of D. veneta. Additional 4-μm resolution metallomic maps of the earthworm brains were taken, revealing the detailed localisation of metals in the brain. The Pb bioaccumulated in the chloragogenous tissues of the earthworm in a dose-dependent manner, making it possible to track the extent of soil contamination. The bioaccumulation of P and Zn in earthworm tissues was independent of Pb exposure concentration. This approach demonstrates the utility of LA-ICP-MS as a powerful approach for ecotoxicology and environmental risk assessments.
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Affiliation(s)
- Maxim A Karpov
- Department of Analytical, Environmental and Forensic Sciences, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom
| | - Carl Hobbs
- Wolfson Sensory Pain and Regeneration Centre, King's College London, London, United Kingdom
| | - Suwan N Jayasinghe
- Department of Mechanical Engineering, BioPhysics Group, University College London, United Kingdom
| | - Stephen R Stürzenbaum
- Department of Analytical, Environmental and Forensic Sciences, Faculty of Life Sciences and Medicine, King's College London, London, United Kingdom.
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Masud MAA, Shin WS, Septian A, Samaraweera H, Khan IJ, Mohamed MM, Billah MM, López-Maldonado EA, Rahman MM, Islam ARMT, Rahman S. Exploring the environmental pathways and challenges of fluoroquinolone antibiotics: A state-of-the-art review. Sci Total Environ 2024; 926:171944. [PMID: 38527542 DOI: 10.1016/j.scitotenv.2024.171944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/21/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
Fluoroquinolone (FQ) antibiotics have become a subject of growing concern due to their increasing presence in the environment, particularly in the soil and groundwater. This review provides a comprehensive examination of the attributes, prevalence, ecotoxicity, and remediation approaches associated with FQs in environmental matrices. The paper discusses the physicochemical properties that influence the fate and transport of FQs in soil and groundwater, exploring the factors contributing to their prevalence in these environments. Furthermore, the ecotoxicological implications of FQ contamination in soil and aquatic ecosystems are reviewed, shedding light on the potential risks to environmental and human health. The latter part of the review is dedicated to an extensive analysis of remediation approaches, encompassing both in-situ and ex-situ methods employed to mitigate FQ contamination. The critical evaluation of these remediation strategies provides insights into their efficacy, limitations, and environmental implications. In this investigation, a correlation between FQ antibiotics and climate change is established, underlining its significance in addressing the Sustainable Development Goals (SDGs). The study further identifies and delineates multiple research gaps, proposing them as key areas for future investigational directions. Overall, this review aims to consolidate current knowledge on FQs in soil and groundwater, offering a valuable resource for researchers, policymakers, and practitioners engaged in environmental management and public health.
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Affiliation(s)
- Md Abdullah Al Masud
- School of Architecture, Civil, Environmental and Energy Engineering, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Won Sik Shin
- School of Architecture, Civil, Environmental and Energy Engineering, Kyungpook National University, Daegu 41566, Republic of Korea.
| | - Ardie Septian
- Research Center for Environmental and Clean Technology, National Research and Innovation Agency, Badan Riset dan Inovasi Nasional, BRIN, Serpong 15314, Indonesia
| | - Hasara Samaraweera
- Department of Civil and Environmental Engineering, Western University, London, Ontario, Canada
| | | | - Mohamed Mostafa Mohamed
- Department of Civil and Environmental Engineering, United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates; National Water and Energy Center, United Arab Emirates University, Al Ain, P.O. Box 15551, United Arab Emirates.
| | - Md Masum Billah
- Inter-Departmental Research Centre for Environmental Science-CIRSA, University of Bologna, Ravenna Campus, Italy
| | - Eduardo Alberto López-Maldonado
- Faculty of Chemical Sciences and Engineering, Autonomous University of Baja, California, CP 22390, Tijuana, Baja California, Mexico
| | | | | | - Saidur Rahman
- Research Centre for Nano-Materials and Energy Technology (RCNMET), School of Engineering and Technology, Sunway University, Bandar Sunway, Malaysia; School of Engineering, Lancaster University, Lancaster LA1 4YW, UK
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Monteiro V, Dias da Silva D, Martins M, Guedes de Pinho P, Pinto J. Metabolomics perspectives of the ecotoxicological risks of polycyclic aromatic hydrocarbons: A scoping review. Environ Res 2024; 249:118394. [PMID: 38307181 DOI: 10.1016/j.envres.2024.118394] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/29/2024] [Accepted: 01/30/2024] [Indexed: 02/04/2024]
Abstract
Polycyclic Aromatic Hydrocarbons (PAHs) represent persistent environmental pollutants ubiquitously distributed in the environment. Their presence alongside various other contaminants gives rise to intricate interactions, culminating in profound deleterious consequences. The combination effects of different PAH mixtures on biota remains a relatively unexplored domain. Recent studies have harnessed the exceptional sensitivity of metabolomic techniques to unveil the significant ecotoxicological perils of PAH pollution confronting both human populations and ecosystems. This article furnishes a comprehensive overview of current literature focused on the metabolic repercussions stemming from exposure to complex mixtures of PAHs or PAH-pollution sources using metabolomics approaches. These insights are obtained through a wide range of models, including in vitro assessments, animal studies, investigations on human subjects, botanical specimens, and soil environments. The findings underscore that PAH mixtures induce cellular stress responses and systemic effects, leading to metabolic dysregulations in amino acids, carbohydrates, lipids, and other key metabolites (e.g., organic acids, purines), with specific variations observed based on the organism and PAH compounds involved. Additionally, the ecological consequences of PAH pollutants on plant and soil microbial responses are emphasized, revealing significant changes in stress-related metabolites and nutrient cycling in soil ecosystems. The complex interplay of various PAHs and their metabolic effects on several models, as elucidated through metabolomics, highlight the urgency of further research and the need for comprehensive strategies to mitigate the risks posed by these widespread environmental pollutants.
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Affiliation(s)
- Vânia Monteiro
- Associate Laboratory i4HB ‒ Institute for Health and Bioeconomy, University of Porto, 4050-313 Porto, Portugal; UCIBIO ‒ Applied Molecular Biosciences Unit, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
| | - Diana Dias da Silva
- Associate Laboratory i4HB ‒ Institute for Health and Bioeconomy, University of Porto, 4050-313 Porto, Portugal; UCIBIO ‒ Applied Molecular Biosciences Unit, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal; 1H-TOXRUN - One Health Toxicology Research Unit, University Institute of Health Sciences, CESPU CRL, Rua Central de Gandra, 4585-116 Gandra, Portugal
| | - Marta Martins
- MARE ‒ Marine and Environmental Sciences Centre & ARNET - Aquatic Research Network Associated Laboratory, Department of Sciences and Environmental Engineering, NOVA School of Science and Technology (FCT NOVA), NOVA University of Lisbon, 2829-516 Caparica, Portugal
| | - Paula Guedes de Pinho
- Associate Laboratory i4HB ‒ Institute for Health and Bioeconomy, University of Porto, 4050-313 Porto, Portugal; UCIBIO ‒ Applied Molecular Biosciences Unit, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal
| | - Joana Pinto
- Associate Laboratory i4HB ‒ Institute for Health and Bioeconomy, University of Porto, 4050-313 Porto, Portugal; UCIBIO ‒ Applied Molecular Biosciences Unit, Laboratory of Toxicology, Faculty of Pharmacy, University of Porto, 4050-313 Porto, Portugal.
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Gölz L, Pannetier P, Fagundes T, Knörr S, Behnstedt L, Coordes S, Matthiessen P, Morthorst J, Vergauwen L, Knapen D, Holbech H, Braunbeck T, Baumann L. Development of the integrated fish endocrine disruptor test-Part B: Implementation of thyroid-related endpoints. Integr Environ Assess Manag 2024; 20:830-845. [PMID: 37578010 DOI: 10.1002/ieam.4828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 06/21/2023] [Accepted: 08/10/2023] [Indexed: 08/15/2023]
Abstract
Given the vital role of thyroid hormones (THs) in vertebrate development, it is essential to identify chemicals that interfere with the TH system. Whereas, among nonmammalian laboratory animals, fish are the most frequently utilized test species in endocrine disruptor research, for example, in guidelines for the detection of effects on the sex hormone system, there is no test guideline (TG) using fish as models for thyroid-related effects; rather, amphibians are used. Therefore, the objective of the present project was to integrate thyroid-related endpoints for fish into a test protocol combining OECD TGs 229 (Fish Short-Term Reproduction Assay) and 234 (Fish Sexual Development Test). The resulting integrated Fish Endocrine Disruption Test (iFEDT) was designed as a comprehensive approach to covering sexual differentiation, early development, and reproduction and to identifying disruption not only of the sexual and/or reproductive system but also the TH system. Two 85-day exposure tests were performed using different well-studied endocrine disruptors: 6-propyl-2-thiouracil (PTU) and 17α-ethinylestradiol (EE2). Whereas the companion Part A of this study presents the findings on effects by PTU and EE2 on endpoints established in existing TGs, the present Part B discusses effects on novel thyroid-related endpoints such as TH levels, thyroid follicle histopathology, and eye development. 6-Propyl-2-thiouracil induced a massive proliferation of thyroid follicles in any life stage, and histopathological changes in the eyes proved to be highly sensitive for TH system disruption especially in younger life stages. For measurement of THs, further methodological development is required. 17-α-Ethinylestradiol demonstrated not only the well-known disruption of the hypothalamic-pituitary-gonadal axis, but also induced effects on thyroid follicles in adult zebrafish (Danio rerio) exposed to higher EE2 concentrations, suggesting crosstalk between endocrine axes. The novel iFEDT has thus proven capable of simultaneously capturing endocrine disruption of both the steroid and thyroid endocrine systems. Integr Environ Assess Manag 2024;20:830-845. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Lisa Gölz
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Pauline Pannetier
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
- Laboratoire de Ploufragan-Plouzané-Niort, Site de Plouzané, Agence nationale de sécurité sanitaire de l'alimentation, de l'environnement et du travail, Plouzané, France
| | - Teresa Fagundes
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Susanne Knörr
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Laura Behnstedt
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Sara Coordes
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | | | - Jane Morthorst
- Department of Biology, University of Southern Denmark, Odense, Denmark
| | - Lucia Vergauwen
- Department of Veterinary Sciences, Veterinary Physiology and Biochemistry, Zebrafishlab, University of Antwerp, Wilrijk, Belgium
| | - Dries Knapen
- Department of Veterinary Sciences, Veterinary Physiology and Biochemistry, Zebrafishlab, University of Antwerp, Wilrijk, Belgium
| | - Henrik Holbech
- Department of Biology, University of Southern Denmark, Odense, Denmark
| | - Thomas Braunbeck
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
| | - Lisa Baumann
- Aquatic Ecology and Toxicology Section, Centre for Organismal Studies, University of Heidelberg, Heidelberg, Germany
- Amsterdam Institute for Life and Environment (A-LIFE), Section Environmental Health & Toxicology, Vrije Universiteit Amsterdam, HV Amsterdam, The Netherlands
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Duker RQ, Asare NK, Obodai EA, Adjei JK, Acheampong E, Chuku EO. Ecotoxicological and health risks associated with sediment-bound polycyclic aromatic hydrocarbons in peri-urban closed and open coastal lagoons. Mar Pollut Bull 2024; 202:116351. [PMID: 38640765 DOI: 10.1016/j.marpolbul.2024.116351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2023] [Revised: 04/03/2024] [Accepted: 04/04/2024] [Indexed: 04/21/2024]
Abstract
Coastal urbanisation has ramifications for the sustainable development of developing nations. There are often unquantified ecological and health risks associated with urbanisation. Sixteen polycyclic aromatic hydrocarbons (PAHs) were analysed in surface sediment from three peri-urban coastal lagoons in southern Ghana. We found significant spatial variations of sediment PAHs. These variations were attributed to physiography of the lagoons and diverse anthropogenic activities surrounding them. Total PAHs ranged from 20.81 to 24,801.38 μg/kg (dry weight), underscoring a low to very high pollution level. Diagnostic ratios revealed both pyrogenic and petrogenic origins. Over 50 % of individual PAHs were of moderate ecological risk to benthic organisms, and cancer risk to humans was above the World Health Organisation's recommended safety limit (1 × 10-6). These ecological and health risks should be wake-up call for a more integrated urban planning approach to coastal urbanisation as coastal communities largely depend on natural ecosystems for food and livelihood opportunities.
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Affiliation(s)
- Rahmat Quaigrane Duker
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana; Department of Biological Sciences, University of Environment and Sustainable Development, Somanya, Ghana.
| | - Noble Kwame Asare
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana; Centre for Coastal Management, Africa Centre of Excellence in Coastal Resilience, University of Cape Coast, Cape Coast, Ghana
| | - Edward Adzesiwor Obodai
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Joseph Kweku Adjei
- Department of Chemistry, School of Physical Sciences, University of Cape Coast, Cape Coast, Ghana
| | - Emmanuel Acheampong
- Department of Fisheries and Aquatic Sciences, School of Biological Sciences, University of Cape Coast, Cape Coast, Ghana; Centre for Coastal Management, Africa Centre of Excellence in Coastal Resilience, University of Cape Coast, Cape Coast, Ghana
| | - Ernest Obeng Chuku
- Centre for Coastal Management, Africa Centre of Excellence in Coastal Resilience, University of Cape Coast, Cape Coast, Ghana; Institute for Marine and Antarctic Studies, University of Tasmania, Tasmania, Australia
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11
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de Souza Bery CC, Dos Santos Gois AR, Silva BS, da Silva Soares L, Santos LGGV, Fonseca LC, da Silva GF, Freitas LS, Santos E, Alexandre MR, Leao KMM. Polycyclic aromatic hydrocarbons in surface water of rivers in Sergipe State, Brazil: A comprehensive analysis of sources, spatial and temporal variation, and ecotoxicological risk. Mar Pollut Bull 2024; 202:116370. [PMID: 38669856 DOI: 10.1016/j.marpolbul.2024.116370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 03/24/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024]
Abstract
This study conducted in Sergipe State, Brazil, aimed to investigate the presence of polycyclic aromatic hydrocarbons (PAHs) in the surface water of five rivers, determining their sources, spatial and temporal variations, and ecotoxicological risks. Correlation and principal component analyses were utilized to identify the relationship between PAH concentrations and water sample properties. Results indicated higher PAH concentrations during the rainy season, attributed to increased run-off and sediment resuspension. The composition of PAHs suggested a main petroleum source with organic material combustion in minor scale. Ecological risk assessment revealed potential risks to the ecosystem, emphasizing the need for continuous monitoring of PAHs pollution. This study highlights the importance of understanding and mitigating PAHs contamination in rivers to protect aquatic ecosystems.
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Affiliation(s)
| | | | - Brenda Santos Silva
- Technological and Research Institute of the State of Sergipe, Aracaju SE 49020-380, Brazil
| | - Laiane da Silva Soares
- Technological and Research Institute of the State of Sergipe, Aracaju SE 49020-380, Brazil
| | | | - Lucas Cruz Fonseca
- Technological and Research Institute of the State of Sergipe, Aracaju SE 49020-380, Brazil
| | | | - Lisiane Santos Freitas
- Federal University of Sergipe, Chemistry Department, São Cristóvão, Sergipe SE 491000-000, Brazil
| | - Ewerton Santos
- Brown University, Department of Geological Sciences, Providence, RI 02912, USA
| | - Marcelo R Alexandre
- Brown University, Department of Geological Sciences, Providence, RI 02912, USA
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12
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Sample BE, Johnson MS, Hull RN, Kapustka L, Landis WG, Murphy CA, Sorensen M, Mann G, Gust KA, Mayfield DB, Ludwigs JD, Munns WR. Key challenges and developments in wildlife ecological risk assessment: Problem formulation. Integr Environ Assess Manag 2024; 20:658-673. [PMID: 36325881 PMCID: PMC10656671 DOI: 10.1002/ieam.4710] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2022] [Revised: 10/05/2022] [Accepted: 10/10/2022] [Indexed: 06/16/2023]
Abstract
Problem formulation (PF) is a critical initial step in planning risk assessments for chemical exposures to wildlife, used either explicitly or implicitly in various jurisdictions to include registration of new pesticides, evaluation of new and existing chemicals released to the environment, and characterization of impact when chemical releases have occurred. Despite improvements in our understanding of the environment, ecology, and biological sciences, few risk assessments have used this information to enhance their value and predictive capabilities. In addition to advances in organism-level mechanisms and methods, there have been substantive developments that focus on population- and systems-level processes. Although most of the advances have been recognized as being state-of-the-science for two decades or more, there is scant evidence that they have been incorporated into wildlife risk assessment or risk assessment in general. In this article, we identify opportunities to consider elevating the relevance of wildlife risk assessments by focusing on elements of the PF stage of risk assessment, especially in the construction of conceptual models and selection of assessment endpoints that target population- and system-level endpoints. Doing so will remain consistent with four established steps of existing guidance: (1) establish clear protection goals early in the process; (2) consider how data collection using new methods will affect decisions, given all possibilities, and develop a decision plan a priori; (3) engage all relevant stakeholders in creating a robust, holistic conceptual model that incorporates plausible stressors that could affect the targets defined in the protection goals; and (4) embrace the need for iteration throughout the PF steps (recognizing that multiple passes may be required before agreeing on a feasible plan for the rest of the risk assessment). Integr Environ Assess Manag 2024;20:658-673. © 2022 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC). This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
| | - Mark S. Johnson
- US Army Public Health Center, Aberdeen Proving Ground, MD, USA
| | - Ruth N. Hull
- Gary D. Williams & Associates Inc., Campbellville, Ontario, Canada
| | | | | | | | | | - Gary Mann
- Azimuth Consulting Group Inc., Vancouver, British Columbia, Canada
| | - Kurt A. Gust
- Research Development and Engineering Center, Engineer Research and Development Center, US Army Corps of Engineers, MS, Vicksburg, USA
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13
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Rattner BA, Bean TG, Beasley VR, Berny P, Eisenreich KM, Elliott JE, Eng ML, Fuchsman PC, King MD, Mateo R, Meyer CB, O'Brien JM, Salice CJ. Wildlife ecological risk assessment in the 21st century: Promising technologies to assess toxicological effects. Integr Environ Assess Manag 2024; 20:725-748. [PMID: 37417421 DOI: 10.1002/ieam.4806] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 06/24/2023] [Accepted: 06/27/2023] [Indexed: 07/08/2023]
Abstract
Despite advances in toxicity testing and the development of new approach methodologies (NAMs) for hazard assessment, the ecological risk assessment (ERA) framework for terrestrial wildlife (i.e., air-breathing amphibians, reptiles, birds, and mammals) has remained unchanged for decades. While survival, growth, and reproductive endpoints derived from whole-animal toxicity tests are central to hazard assessment, nonstandard measures of biological effects at multiple levels of biological organization (e.g., molecular, cellular, tissue, organ, organism, population, community, ecosystem) have the potential to enhance the relevance of prospective and retrospective wildlife ERAs. Other factors (e.g., indirect effects of contaminants on food supplies and infectious disease processes) are influenced by toxicants at individual, population, and community levels, and need to be factored into chemically based risk assessments to enhance the "eco" component of ERAs. Regulatory and logistical challenges often relegate such nonstandard endpoints and indirect effects to postregistration evaluations of pesticides and industrial chemicals and contaminated site evaluations. While NAMs are being developed, to date, their applications in ERAs focused on wildlife have been limited. No single magic tool or model will address all uncertainties in hazard assessment. Modernizing wildlife ERAs will likely entail combinations of laboratory- and field-derived data at multiple levels of biological organization, knowledge collection solutions (e.g., systematic review, adverse outcome pathway frameworks), and inferential methods that facilitate integrations and risk estimations focused on species, populations, interspecific extrapolations, and ecosystem services modeling, with less dependence on whole-animal data and simple hazard ratios. Integr Environ Assess Manag 2024;20:725-748. © 2023 His Majesty the King in Right of Canada and The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC). Reproduced with the permission of the Minister of Environment and Climate Change Canada. This article has been contributed to by US Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Barnett A Rattner
- US Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, USA
| | | | - Val R Beasley
- College of Veterinary Medicine, University of Illinois at Urbana, Champaign, Illinois, USA
| | | | - Karen M Eisenreich
- US Environmental Protection Agency, Washington, District of Columbia, USA
| | - John E Elliott
- Environment and Climate Change Canada, Delta, British Columbia, Canada
| | - Margaret L Eng
- Environment and Climate Change Canada, Dartmouth, Nova Scotia, Canada
| | | | - Mason D King
- Simon Fraser University, Burnaby, British Columbia, Canada
| | | | | | - Jason M O'Brien
- Environment and Climate Change Canada, Ottawa, Ontario, Canada
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14
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Brown CJM, Noble BF, Munkittrick KR. Examination of recent hydroelectric dam projects in Canada for alignment of baseline studies, predictive modeling, and postdevelopment monitoring phases of aquatic environmental impact assessments. Integr Environ Assess Manag 2024; 20:616-644. [PMID: 37526129 DOI: 10.1002/ieam.4823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Revised: 07/14/2023] [Accepted: 07/31/2023] [Indexed: 08/02/2023]
Abstract
Environmental impact assessment (EIA) has been widely criticized by the aquatic science community for poorly aligned approaches when selecting endpoints and collecting data during the baseline, predictive modeling, and postdevelopment monitoring phases. If these critical phases of the EIA process are not aligned properly, it can be difficult to evaluate the presence of postdevelopment effects. Examples of the misalignment of these phases include baseline studies failing to measure indicators that are monitored postdevelopment; predictive assessments that do not quantitatively predict conditions or potential impacts postdevelopment; and the failure to identify relevant indicators that may detect effects postdevelopment. For aquatic assessments, understanding how to protect critical ecosystem attributes to satisfy regulatory concerns could help to better align aquatic science monitoring activities across EIA phases. In this article we investigate recent Canadian hydroelectric dam EIAs to evaluate how well recent assessment approaches are meeting these necessary conditions of good aquatic EIA practice through the lens of ecosystem services from a fish's perspective. We found that larger facilities generally had baseline studies and modeling that better supported postdevelopment monitoring, but improvements in structure, linkages, and expectations would better align EIA phases in a manner that would improve assessments and environmental protection. Integr Environ Assess Manag 2024;20:616-644. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Carolyn J M Brown
- Department of Biology, Wilfrid Laurier University, Waterloo, Ontario, Canada
- Canadian Rivers Institute, University of New Brunswick, Fredericton, New Brunswick, Canada
| | - Bram F Noble
- Department of Geography and Planning, University of Saskatchewan, Saskatoon, Saskatchewan, Canada
| | - Kelly R Munkittrick
- Canadian Rivers Institute, University of New Brunswick, Fredericton, New Brunswick, Canada
- Department of Biological Sciences, University of Calgary, Calgary, Alberta, Canada
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15
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Ernst G, Amorim MJB, Bottoms M, Brooks AC, Hodson ME, Kimmel S, Kotschik P, Marx MT, Natal-da-Luz T, Pelosi C, Pieper S, Schimera A, Scott-Fordsmand J, Sharples A, Sousa JP, van Gestel CAM, van Hall B, Bergtold M. Intermediate-tier options in the environmental risk assessment of plant protection products for soil invertebrates-Synthesis of a workshop. Integr Environ Assess Manag 2024; 20:780-793. [PMID: 37563990 DOI: 10.1002/ieam.4825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 07/10/2023] [Accepted: 07/28/2023] [Indexed: 08/12/2023]
Abstract
The European environmental risk assessment (ERA) of plant protection products follows a tiered approach. The approach for soil invertebrates currently consists of two steps, starting with a Tier 1 assessment based on reproduction toxicity tests with earthworms, springtails, and predatory mites. In case an unacceptable risk is identified at Tier 1, field studies can be conducted as a higher-tier option. For soil invertebrates, intermediate tiers are not implemented. Hence, there is limited possibility to include additional information for the ERA to address specific concerns when the Tier 1 fails, as an alternative to, for example, a field study. Calibrated intermediate-tier approaches could help to address risks for soil invertebrates with less time and resources but also with sufficient certainty. A multistakeholder workshop was held on 2-4 March 2022 to discuss potential intermediate-tier options, focusing on four possible areas: (1) natural soil testing, (2) single-species tests (other than standard species), (3) assessing recovery in laboratory tests, and (4) the use of assembled soil multispecies test systems. The participants acknowledged a large potential in the intermediate-tier options but concluded that some issues need to be clarified before routine application of these approaches in the ERA is possible, that is, sensitivity, reproducibility, reliability, and standardization of potential new test systems. The definition of suitable assessment factors needed to calibrate the approaches to the protection goals was acknowledged. The aims of the workshop were to foster scientific exchange and a data-driven dialog, to discuss how the different approaches could be used in the risk assessment, and to identify research priorities for future work to address uncertainties and strengthen the tiered approach in the ERA for soil invertebrates. This article outlines the background, proposed methods, technical challenges, difficulties and opportunities in the ERA, and conclusions of the workshop. Integr Environ Assess Manag 2024;20:780-793. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Gregor Ernst
- Bayer AG, CropScience Division, Monheim, Germany
| | - Mónica J B Amorim
- Department of Biology and CESAM, University of Aveiro, Aveiro, Portugal
| | - Melanie Bottoms
- Syngenta Ltd., Jealott's Hill International Research Centre, Bracknell, UK
| | - Amy C Brooks
- Cambridge Environmental Assessments, Cambridge, UK
| | - Mark E Hodson
- Department of Environment and Geography, University of York, York, UK
| | | | - Pia Kotschik
- German Environment Agency (UBA), Dessau-Roßlau, Germany
| | | | - Tiago Natal-da-Luz
- Associate Laboratory TERRA, Department of Life Sciences, CFE-Centre for Functional Ecology - Science for the People and the Planet, University of Coimbra, Coimbra, Portugal
| | - Céline Pelosi
- INRAE, Avignon Université, UMR EMMAH, Avignon, France
| | - Silvia Pieper
- German Environment Agency (UBA), Dessau-Roßlau, Germany
| | | | | | | | - José P Sousa
- Associate Laboratory TERRA, Department of Life Sciences, CFE-Centre for Functional Ecology - Science for the People and the Planet, University of Coimbra, Coimbra, Portugal
| | - Cornelis A M van Gestel
- Faculty of Science, Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Bart van Hall
- Faculty of Science, Amsterdam Institute for Life and Environment (A-LIFE), Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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Gautam K, Dwivedi S, Verma R, Vamadevan B, Patnaik S, Anbumani S. Combined effects of polyethylene microplastics and carbendazim on Eisenia fetida: A comprehensive ecotoxicological study. Environ Pollut 2024; 348:123854. [PMID: 38527586 DOI: 10.1016/j.envpol.2024.123854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 02/23/2024] [Accepted: 03/22/2024] [Indexed: 03/27/2024]
Abstract
Microplastic (MP) pollution is becoming an emerging environmental concern across aquatic and terrestrial ecosystems. Plastic mulching and the use of pesticides in agriculture can lead to microplastics and agrochemicals in soil, which can result in unintended exposure to non-target organisms. The combined toxicity of multiple stressors represents a significant paradigm shift within the field of ecotoxicology, and its exploration within terrestrial ecosystems involving microplastics is still relatively limited. The present study investigated the combined effects of polyethylene MP (PE-MP) and the agrochemical carbendazim (CBZ) on the earthworm Eisenia fetida at different biological levels of organization. While E. fetida survival and reproduction did not exhibit significant effects following PE-MP treatment, there was a reduction in cocoon and hatchling numbers. Notably, prolonged exposure revealed delayed toxicity, leading to substantial growth impairment. Exposure to CBZ led to significant alterations in the endpoints mentioned above. While there was a decrease in cocoon and hatchling numbers, the combined treatment did not yield significant effects on earthworm reproduction except at higher concentrations. However, lower concentrations of PE-MP alongside CBZ induced a noteworthy decline in biomass content, signifying a form of potentiation interaction. In addition, concurrent exposure led to synergistic effects, from oxidative stress to modifications in vital organs such as the body wall, intestines, and reproductive structures (spermathecae, seminal vesicles, and ovarian follicles). The comparison of multiple endpoints revealed that seminal vesicles and ovarian follicles were the primary targets during the combined exposure. The research findings suggest that there are variable and complex responses to microplastic toxicity in terrestrial ecosystems, especially when combined with other chemical stressors like agrochemicals. Despite these difficulties, the study implies that microplastics can alter earthworms' responses to agrochemical exposure, posing potential ecotoxicological risks to soil fauna.
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Affiliation(s)
- Krishna Gautam
- Ecotoxicology Laboratory, REACT Division, CSIR-Indian Institute of Toxicology Research, C.R. Krishnamurti (CRK) Campus, Lucknow, 226 008, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Shreya Dwivedi
- Ecotoxicology Laboratory, REACT Division, CSIR-Indian Institute of Toxicology Research, C.R. Krishnamurti (CRK) Campus, Lucknow, 226 008, Uttar Pradesh, India
| | - Rahul Verma
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India; Water Analysis Laboratory, FEST Division, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Beena Vamadevan
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India; Central Pathology Laboratory, ASSIST Division, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Satyakam Patnaik
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India; Water Analysis Laboratory, FEST Division, CSIR-Indian Institute of Toxicology Research, Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow, 226001, Uttar Pradesh, India
| | - Sadasivam Anbumani
- Ecotoxicology Laboratory, REACT Division, CSIR-Indian Institute of Toxicology Research, C.R. Krishnamurti (CRK) Campus, Lucknow, 226 008, Uttar Pradesh, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India.
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van den Brink NW, Elliott JE, Power B, Kilgour C, Johnson MS. Integrating emerging science to improve estimates of risk to wildlife from chemical exposure: What are the challenges? Integr Environ Assess Manag 2024; 20:645-657. [PMID: 38411383 DOI: 10.1002/ieam.4897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 01/15/2024] [Accepted: 01/15/2024] [Indexed: 02/28/2024]
Abstract
Many jurisdictions require ecological risk assessments for terrestrial wildlife (i.e., terrestrial vertebrates) to assess potential adverse effects from exposure to anthropogenic chemicals. This occurs, for example, at contaminated sites and when new pesticides are proposed, and it occurs for chemicals that are in production and/or proposed for wide-scale use. However, guidance to evaluate such risks has not changed markedly in decades, despite the availability of new scientific tools to do so. In 2019, the Wildlife Toxicology World Interest Group of the Society of Environmental Toxicology and Chemistry (SETAC) initiated a virtual workshop that included a special session coincident with the annual SETAC North America meeting and which focused on the prospect of improving risk assessments for wildlife and improving their use in implementing chemical regulations. Work groups continued the work and investigated the utility of integrating emerging science and novel methods for improving problem formulation (WG1), exposure (WG2), toxicology (WG3), and risk characterization (WG4). Here we provide a summary of that workshop and the follow-up work, the regulations that drive risk assessment, and the key focus areas identified to advance the ability to predict risks of chemicals to wildlife. Integr Environ Assess Manag 2024;20:645-657. © 2024 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Nico W van den Brink
- Sub-Department of Toxicology, Wageningen University, Wageningen, The Netherlands
| | - John E Elliott
- Environment and Climate Change Canada, Delta, British Columbia, Canada
| | - Beth Power
- Azimuth Consulting Group Inc., Vancouver, British Columbia, Canada
| | - Clare Kilgour
- Azimuth Consulting Group Inc., Vancouver, British Columbia, Canada
- University of British Columbia, Vancouver, Canada
| | - Mark S Johnson
- US Defense Centers for Public Health-Aberdeen, Aberdeen Proving Ground, Maryland, USA
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18
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Bean TG, Beasley VR, Berny P, Eisenreich KM, Elliott JE, Eng ML, Fuchsman PC, Johnson MS, King MD, Mateo R, Meyer CB, Salice CJ, Rattner BA. Toxicological effects assessment for wildlife in the 21st century: Review of current methods and recommendations for a path forward. Integr Environ Assess Manag 2024; 20:699-724. [PMID: 37259706 DOI: 10.1002/ieam.4795] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/03/2023] [Revised: 04/26/2023] [Accepted: 05/30/2023] [Indexed: 06/02/2023]
Abstract
Model species (e.g., granivorous gamebirds, waterfowl, passerines, domesticated rodents) have been used for decades in guideline laboratory tests to generate survival, growth, and reproductive data for prospective ecological risk assessments (ERAs) for birds and mammals, while officially adopted risk assessment schemes for amphibians and reptiles do not exist. There are recognized shortcomings of current in vivo methods as well as uncertainty around the extent to which species with different life histories (e.g., terrestrial amphibians, reptiles, bats) than these commonly used models are protected by existing ERA frameworks. Approaches other than validating additional animal models for testing are being developed, but the incorporation of such new approach methodologies (NAMs) into risk assessment frameworks will require robust validations against in vivo responses. This takes time, and the ability to extrapolate findings from nonanimal studies to organism- and population-level effects in terrestrial wildlife remains weak. Failure to adequately anticipate and predict hazards could have economic and potentially even legal consequences for regulators and product registrants. In order to be able to use fewer animals or replace them altogether in the long term, vertebrate use and whole organism data will be needed to provide data for NAM validation in the short term. Therefore, it is worth investing resources for potential updates to existing standard test guidelines used in the laboratory as well as addressing the need for clear guidance on the conduct of field studies. Herein, we review the potential for improving standard in vivo test methods and for advancing the use of field studies in wildlife risk assessment, as these tools will be needed in the foreseeable future. Integr Environ Assess Manag 2024;20:699-724. © 2023 His Majesty the King in Right of Canada and The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC). Reproduced with the permission of the Minister of Environment and Climate Change Canada. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
| | - Val R Beasley
- College of Veterinary Medicine, University of Illinois at Urbana, Champaign, Illinois, USA
| | | | - Karen M Eisenreich
- US Environmental Protection Agency, Washington, District of Columbia, USA
| | - John E Elliott
- Environment and Climate Change Canada, Delta, British Columbia, Canada
| | - Margaret L Eng
- Environment and Climate Change Canada, Dartmouth, Nova Scotia, Canada
| | | | - Mark S Johnson
- US Defense Centers for Public Health-Aberdeen, Aberdeen Proving Ground, Maryland, USA
| | - Mason D King
- Simon Fraser University, Burnaby, British Columbia, Canada
| | - Rafael Mateo
- Instituto de Investigación en Recursos Cinegéticos (IREC), CSIC-UCLM-JCCM, Ciudad Real, Spain
| | | | | | - Barnett A Rattner
- US Geological Survey, Eastern Ecological Science Center, Laurel, Maryland, USA
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19
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Çelebi A, Canlı O, Güzel B, Çetintürk K. Ecotoxicological risk assessments and components of persistent organic pollutants and metals in the historical settlement area (Iznik (Nicea) lake) large water resource sediments. Mar Pollut Bull 2024; 202:116339. [PMID: 38598932 DOI: 10.1016/j.marpolbul.2024.116339] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 03/29/2024] [Accepted: 04/02/2024] [Indexed: 04/12/2024]
Abstract
The main objectives of this study are to measure permanent organic and inorganic pollutants in detail in an area that hosts historical structures underneath and feeds the huge ecosystem with water, to reveal risk values. Total PAH concentrations in the samples ranged from 43.41 to 202.7 ng/g. Total OCP concentration ranged from 5.15 to 17.98 ng/g, while total PCB concentration ranged from 0.179 to 0.921 ng/g. PCB 28/31, 138, and 153 are the highest detected PCBs. It was found that the lake sediment reached toxic equivalent quotient (TEQ) values of 29.21 for total PAHs and 28.90 for carcinogenic PAHs. Negligible concentration risk quotient had a low to moderate ecological and toxicological risk between 12.91 and 64.42. Highest pollution index value was found 3.81 and the risk index value reached 417.4. It has been revealed that toxicologically risky components accumulate over many years even in the best-protected water resources.
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Affiliation(s)
- Ahmet Çelebi
- Sakarya University, Engineering Faculty, Environmental Engineering Department, Esentepe Campus, 54050 Serdivan, Sakarya, Türkiye.
| | - Oltan Canlı
- Water Management and Treatment Technologies Research Group, Climate Change and Sustainability Vice Presidency, TUBITAK Marmara Research Center, 41470 Gebze, Kocaeli, Türkiye.
| | - Barış Güzel
- Water Management and Treatment Technologies Research Group, Climate Change and Sustainability Vice Presidency, TUBITAK Marmara Research Center, 41470 Gebze, Kocaeli, Türkiye.
| | - Kartal Çetintürk
- Istanbul University, Institute of Marine Science and Management, 34134 Vefa, Istanbul, Türkiye.
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20
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Shah G, Bhatt U, Singh H, Kumar D, Sharma J, Strasser RJ, Soni V. Ecotoxicological assessment of cigarette butts on morphology and photosynthetic potential of Azolla pinnata. BMC Plant Biol 2024; 24:300. [PMID: 38637728 PMCID: PMC11061998 DOI: 10.1186/s12870-024-04991-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Accepted: 04/05/2024] [Indexed: 04/20/2024]
Abstract
Cigarette butts (CBs) have become the most ubiquitous form of anthropogenic litter globally. CBs contain various hazardous chemicals that persist in the environment for longer period. These substances are susceptible to leaching into the environment through waterways. The recent study was aimed to evaluate the effects of disposed CBs on the growth and development of Azolla pinnata, an aquatic plant. It was found that after a span of 6 days, the root length, surface area, number of fronds, and photosynthetic efficacy of plant were considerably diminished on the exposure of CBs (concentrations 0 to 40). The exposure of CBs led to a decrease in the FM, FV/F0, and φP0, in contrast, the φD0 increased in response to CBs concentration. Moreover, ABS/CSm, TR0/CSm, and ET0/CSm displayed a negative correlation with CB-induced chemical stress. The performance indices were also decreased (p-value ≤ 0.05) at the highest concentration of CBs. LD50 and LD90 represent the lethal dose, obtained value for LD50 is 20.30 CBs and LD90 is 35.26 CBs through probit analysis. Our results demonstrate that the CBs cause irreversible damage of photosynthetic machinery in plants and also reflect the efficacy of chlorophyll a fluorescence analysis and JIP test for assessing the toxicity of CBs in plants.
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Affiliation(s)
- Garishma Shah
- Plant Bioenergetics and Biochemistry Lab, Mohanlal Sukhadia University, Udaipur, Rajasthan, India, 313001
| | - Upma Bhatt
- Plant Bioenergetics and Biochemistry Lab, Mohanlal Sukhadia University, Udaipur, Rajasthan, India, 313001
| | - Hanwant Singh
- Plant Bioenergetics and Biochemistry Lab, Mohanlal Sukhadia University, Udaipur, Rajasthan, India, 313001
| | - Deepak Kumar
- Plant Bioenergetics and Biochemistry Lab, Mohanlal Sukhadia University, Udaipur, Rajasthan, India, 313001
| | - Jyotshana Sharma
- Plant Bioenergetics and Biochemistry Lab, Mohanlal Sukhadia University, Udaipur, Rajasthan, India, 313001
| | - Reto J Strasser
- Plant Bioenergetics Laboratory, University of Geneva, Jussy, 1254, Geneva, Switzerland
| | - Vineet Soni
- Plant Bioenergetics and Biochemistry Lab, Mohanlal Sukhadia University, Udaipur, Rajasthan, India, 313001.
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21
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Morrison K, Yang Y, Santana M, Lagisz M, Nakagawa S. A systematic evidence map and bibliometric analysis of the behavioural impacts of pesticide exposure on zebrafish. Environ Pollut 2024; 347:123630. [PMID: 38423273 DOI: 10.1016/j.envpol.2024.123630] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/22/2024] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
Pesticides are indispensable in agriculture and have become ubiquitous in aquatic environments. Pesticides in natural environments can cause many negative impacts on aquatic species, ranging from mortality to sub-lethal physiological and behavioural changes. The complex sub-lethal impacts of pesticides are routinely tested on model species, with zebrafish (Danio rerio) being regularly used as a behavioural model. Although behavioural ecotoxicology research using zebrafish is increasing rapidly, we lack quantitative evidence to support which pesticides have been tested and how study designs are carried out. This shortcoming not only limits the deliberate planning for future primary studies to fill the knowledge gaps but also hinders evidence synthesis. To provide quantitative evidence of what pesticides are currently studied and what study designs are used, we combined a systematic evidence map approach and bibliometric analysis. This novel method has been coined research weaving and allows us to elicit gaps and clusters in our evidence base, whilst showing connections between authors and institutions. The methodology can be summarised in five primary steps: literature searching, screening, extraction, data analysis and bibliometric analysis. We identified four areas where research on the sub-lethal effects of pesticide exposure on zebrafish is lacking. First, some widely used pesticides, such as neonicotinoids, are understudied. Second, most studies do not report important elements of the study design, namely the sex and the life-stage of the zebrafish. Third, some behaviours, such as impacts of pesticide exposure on zebrafish cognition, are underexplored. And last, we revealed through the bibliometric analysis that most of the research is conducted in developed countries and there is limited cross country co-authorships. Upon identifying these gaps, we offer solutions for each limitation, emphasizing the importance of diverse global research output and cross-country co-authorships. Our systematic evidence map and bibliometric analysis provide valuable insights for helping to guide future research, which can be used to help support evidence-based policy decisions.
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Affiliation(s)
- Kyle Morrison
- Ecology & Evolution Research Centre, School of Biological, Earth and Environmental Sciences, The University of New South Wales, Sydney, NSW, Australia.
| | - Yefeng Yang
- Ecology & Evolution Research Centre, School of Biological, Earth and Environmental Sciences, The University of New South Wales, Sydney, NSW, Australia
| | - Manuela Santana
- Marine Ecology Laboratory, Centre for Marine Studies, Federal University of Paraná, Paraná, Brazil
| | - Malgorzata Lagisz
- Ecology & Evolution Research Centre, School of Biological, Earth and Environmental Sciences, The University of New South Wales, Sydney, NSW, Australia; Theoretical Sciences Visiting Program, Okinawa Institute of Science and Technology Graduate University, Onna, Japan
| | - Shinichi Nakagawa
- Ecology & Evolution Research Centre, School of Biological, Earth and Environmental Sciences, The University of New South Wales, Sydney, NSW, Australia; Theoretical Sciences Visiting Program, Okinawa Institute of Science and Technology Graduate University, Onna, Japan
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22
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Brunelli A, Cazzagon V, Faraggiana E, Bettiol C, Picone M, Marcomini A, Badetti E. An overview on dispersion procedures and testing methods for the ecotoxicity testing of nanomaterials in the marine environment. Sci Total Environ 2024; 921:171132. [PMID: 38395161 DOI: 10.1016/j.scitotenv.2024.171132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 01/26/2024] [Accepted: 02/19/2024] [Indexed: 02/25/2024]
Abstract
Considerable efforts have been devoted to develop or adapt existing guidelines and protocols, to obtain robust and reproducible results from (eco)toxicological assays on engineered nanomaterials (NMs). However, while many studies investigated adverse effects of NMs on freshwater species, less attention was posed to the marine environment, a major sink for these contaminants. This review discusses the procedures used to assess the ecotoxicity of NMs in the marine environment, focusing on the use of protocols and methods for preparing NMs dispersions and on the NMs physicochemical characterization in exposure media. To this purpose, a critical analysis of the literature since 2010 was carried out, based on the publication of the first NMs dispersion protocols. Among the 89 selected studies, only <5 % followed a standardized dispersion protocol combined with NMs characterization in ecotoxicological media, while more than half used a non-standardized dispersion method but performed NMs characterization. In the remaining studies, only partial or no information on dispersion procedures or on physicochemical characterization was provided. This literature review also highlighted that metal oxides NMs were the most studied (42 %), but with an increasing interest in last years towards nanoplastics (14 %) and multicomponent nanomaterials (MCNMs, 7 %), in line with the growing attention on these emerging contaminants. For all these NMs, primary producers as algae and bacteria were the most studied groups of marine species, in addition to mollusca, while organisms at higher trophic levels were less represented, likely due to challenges in evaluating adverse effects on more complex organisms. Thus, despite the wide use of NMs in different applications, standard dispersion protocols are not often used for ecotoxicity testing with marine species. However, the efforts to characterize NMs in ecotoxicological media recognize the importance of following conditions that are as standardized as possible to support the ecological hazard assessment of NMs.
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Affiliation(s)
- Andrea Brunelli
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy.
| | - Virginia Cazzagon
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy
| | - Eleonora Faraggiana
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy
| | - Cinzia Bettiol
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy
| | - Marco Picone
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy
| | - Antonio Marcomini
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy
| | - Elena Badetti
- Department of Environmental Sciences, Informatics and Statistics, Ca' Foscari University of Venice, Via Torino, 155, Venice Mestre (VE), 30172, Italy.
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23
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Du XY, Yang JY. Biomimetic microfluidic chips for toxicity assessment of environmental pollutants. Sci Total Environ 2024; 919:170745. [PMID: 38340832 DOI: 10.1016/j.scitotenv.2024.170745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/31/2024] [Accepted: 02/04/2024] [Indexed: 02/12/2024]
Abstract
Various types of pollutants widely present in environmental media, including synthetic and natural chemicals, physical pollutants such as radioactive substances, ultraviolet rays, and noise, as well as biological organisms, pose a huge threat to public health. Therefore, it is crucial to accurately and effectively explore the human physiological responses and toxicity mechanisms of pollutants to prevent diseases caused by pollutants. The emerging toxicological testing method biomimetic microfluidic chips (BMCs) exhibit great potential in environmental pollutant toxicity assessment due to their superior biomimetic properties. The BMCs are divided into cell-on-chips and organ-on-chips based on the distinctions in bionic simulation levels. Herein, we first summarize the characteristics, emergence and development history, composition and structure, and application fields of BMCs. Then, with a focus on the toxicity mechanisms of pollutants, we review the applications and advances of the BMCs in the toxicity assessment of physical, chemical, and biological pollutants, respectively, highlighting its potential and development prospects in environmental toxicology testing. Finally, the opportunities and challenges for further use of BMCs are discussed.
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Affiliation(s)
- Xin-Yue Du
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China
| | - Jin-Yan Yang
- College of Architecture and Environment, Sichuan University, Chengdu 610065, China..
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24
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Li Z, Li M, Li D, Chen Y, Feng W, Zhao T, Yang L, Mao G, Wu X. A review of cumulative toxic effects of environmental endocrine disruptors on the zebrafish immune system: Characterization methods, toxic effects and mechanisms. Environ Res 2024; 246:118010. [PMID: 38157964 DOI: 10.1016/j.envres.2023.118010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Revised: 12/19/2023] [Accepted: 12/20/2023] [Indexed: 01/03/2024]
Abstract
Environmental endocrine disrupting chemicals (EDCs), are a type of exogenous organic pollutants, are ubiquitous in natural aquatic environments. Currently, in addition to neurological, endocrine, developmental and reproductive toxicity, ecotoxicology studies on immunotoxicity are receiving increasing attention. In this review, the composition of immune system of zebrafish, the common indicators of immunotoxicity, the immunotoxicity of EDCs and their molecular mechanism were summarized. We reviewed the immunotoxicity of EDCs on zebrafish mainly in terms of immune organs, immunocytes, immune molecules and immune functions, meanwhile, the possible molecular mechanisms driving these effects were elucidated in terms of endocrine disruption, dysregulation of signaling pathways, and oxidative damage. Hopefully, this review will provide a reference for further investigation of the immunotoxicity of EDCs.
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Affiliation(s)
- Zixu Li
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Muge Li
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Dan Li
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Yao Chen
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China; Institute of Environmental Health and Ecological Safety, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Weiwei Feng
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China; Institute of Environmental Health and Ecological Safety, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Ting Zhao
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Liuqing Yang
- School of Chemistry and Chemical Engineering, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China
| | - Guanghua Mao
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China.
| | - Xiangyang Wu
- School of the Environment and Safety Engineering, School of Emergency Management, Jiangsu University, 301 Xuefu Rd, Zhenjiang, 212013, China.
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25
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Garcia VSG, Tominaga FK, Rosa JM, Borrely SI. Emerging pollutants in textile wastewater: an ecotoxicological assessment focusing on surfactants. Environ Sci Pollut Res Int 2024; 31:27817-27828. [PMID: 38517631 DOI: 10.1007/s11356-024-32963-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 03/13/2024] [Indexed: 03/24/2024]
Abstract
Water and several chemicals, including dyestuffs, surfactants, acids, and salts, are required during textile dyeing processes. Surfactants are harmful to the aquatic environment and induce several negative biological effects in exposed biota. In this context, the present study aimed to assess acute effects of five surfactants, comprising anionic and nonionic classes, and other auxiliary products used in fiber dyeing processes to aquatic organisms Vibrio fischeri (bacteria) and Daphnia similis (cladocerans). The toxicities of binary surfactant mixtures containing the anionic surfactant dodecylbenzene sulfonate + nonionic fatty alcohol ethoxylate and dodecylbenzene sulfonate + nonionic alkylene oxide were also evaluated. Nonionic surfactants were more toxic than anionic compounds for both organisms. Acute nonionic toxicity ranged from 1.3 mg/L (fatty alcohol ethoxylate surfactant) to 2.6 mg/L (ethoxylate surfactant) for V. fischeri and from 1.9 mg/L (alkylene oxide surfactant) to 12.5 mg/L (alkyl aryl ethoxylated and aromatic sulfonate surfactant) for D. similis, while the anionic dodecylbenzene sulfonate EC50s were determined as 66.2 mg/L and 19.7 mg/L, respectively. Both mixtures were very toxic for the exposed organisms: the EC50 average in the anionic + fatty alcohol ethoxylate mixture was of 1.0 mg/L ± 0.11 for V. fischeri and 4.09 mg/L ± 0.69 for D. similis. While the anionic + alkylene oxide mixture, EC50 of 3.34 mg/L for D. similis and 3.60 mg/L for V. fischeri. These toxicity data suggested that the concentration addition was the best model to explain the action that is more likely to occur for mixture for the dodecylbenzene sulfonate and alkylene oxide mixtures in both organisms. Our findings also suggest that textile wastewater surfactants may interact and produce different responses in aquatic organisms, such as synergism and antagonism. Ecotoxicological assays provide relevant information concerning hazardous pollutants, which may then be adequately treated and suitably managed to reduce toxic loads, associated to suitable management plans.
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Affiliation(s)
| | - Flávio Kiyoshi Tominaga
- Instituto de Pesquisas Energéticas E Nucleares, Centro de Tecnologia das Radiações, IPEN/CNEN, São Paulo, Brazil
| | | | - Sueli Ivone Borrely
- Instituto de Pesquisas Energéticas E Nucleares, Centro de Tecnologia das Radiações, IPEN/CNEN, São Paulo, Brazil
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26
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Belaid A, Bekir K, Beltifa A, Sedrati M, Santana Rodríguez JJ, Ben Mansour H. Physicochemical and ecotoxicological approaches for Moknine Continental Sebkha in Tunisia. J Water Health 2024; 22:785-796. [PMID: 38678430 DOI: 10.2166/wh.2024.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Accepted: 03/06/2024] [Indexed: 04/30/2024]
Abstract
Degradation of water quality is an emerging issue in many developing countries. In this context, industrial and domestic effluents heavily contaminate the coast of Moknine Continental Sebkha in Tunisia. The present study aimed to biomonitor the seawater quality of the Moknine Continental Sebkha coast using physicochemical and ecotoxicological approaches. The ecotoxicological assessment was performed using three species representing different trophic levels, namely Vibrio fischeri, Selenastrum capricornutum, and Lepidium sativum. In the physicochemical analysis such as BOD (biochemical oxygen demand), COD (chemical oxygen demand), TSS (total suspended solids), TOC (total organic carbon), NO3- (nitrate), AOX (adsorbable organic halogen), the recorded levels of pH and total suspended solids did not comply with the Tunisian standard (NT.09.11/1983). The ecotoxicological data confirmed that the tested water samples displayed toxicity to two test indicators L. sativum and S. capricornutum. A targeted chemical screening of the Moknine Continental Sebkha coast previously performed revealed the presence of total mercury, four phthalate acid esters, and one non-phthalate plasticizer, a fact that could explain the observed ecotoxicological effects and therefore might harm the biotic area and the health of the surrounding population.
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Affiliation(s)
- Afifa Belaid
- UR Analysis and Process Applied on the Environment (UR17ES32), Higher Institute of Applied Sciences and Technology, University of Monastir, Mahdia, Tunisia
| | - Karima Bekir
- UR Analysis and Process Applied on the Environment (UR17ES32), Higher Institute of Applied Sciences and Technology, University of Monastir, Mahdia, Tunisia
| | - Asma Beltifa
- UR Analysis and Process Applied on the Environment (UR17ES32), Higher Institute of Applied Sciences and Technology, University of Monastir, Mahdia, Tunisia
| | - Mouncef Sedrati
- Geo-Ocean UMR 6538, CNRS, Ifremer, UBO - UBS, Plouzane, France
| | - José Juan Santana Rodríguez
- Instituto Universitario de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria 35017, Spain
| | - Hedi Ben Mansour
- UR Analysis and Process Applied on the Environment (UR17ES32), Higher Institute of Applied Sciences and Technology, University of Monastir, Mahdia, Tunisia; Instituto Universitario de Estudios Ambientales y Recursos Naturales (i-UNAT), Universidad de Las Palmas de Gran Canaria, Las Palmas de Gran Canaria 35017, Spain E-mail:
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27
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Vidal LLL, de Souza Santos LV, Talamoni SA. Ecotoxicology of heavy metal contamination of Neotropical bats. Environ Monit Assess 2024; 196:391. [PMID: 38517570 DOI: 10.1007/s10661-024-12553-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Accepted: 03/16/2024] [Indexed: 03/24/2024]
Abstract
Although bats are responsible for many ecosystem services on which humans depend, they are frequently exposed to multiple anthropogenic stressors. Heavy metal (HM) exposure is an emerging threat of great significance to bats, yet the toxicity threshold for most metallic elements remains unknown. The greatest diversity of bats worldwide is in the Neotropical region, where ecotoxicological studies are scarce. Thus, this review provides a current overview of the knowledge available on HMs contamination of Neotropical bats. Analysis of the results of 17 articles published between 2000 and 2023 documented a trend of increasing interest in the topic, although it is incipient and in few countries. Of the 226 species known for the Neotropics, 95 have been investigated for metal concentrations. Seven different matrices were used to assess concentrations of heavy metals in tissues, with fur being the subject of eight studies, highlighting the search for non-invasive analysis. Twenty-one HMs were detected in bats, with mercury being the most common. The highest concentrations of this HM were detected in insectivorous/omnivorous bats, highlighting its magnification in this trophic guild compared to frugivorous bats. Copper, lead, and cadmium did not differ significantly among the other trophic guilds. This review shows that there is knowledge about concentrations of heavy metals in several Neotropical species, but knowledge about the impact of these concentrations on bat health is limited, which highlights the need for research to determine critical concentrations that cause damage to bat health, and that guide conservation actions for their populations, as well as environmental monitoring actions for these pollutants.
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Affiliation(s)
- Luísa Lauren Lima Vidal
- Programa de Pós-Graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Minas Gerais, 30535-610, Brazil.
| | - Lucilaine Valéria de Souza Santos
- Departamento de Engenharia Química, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Minas Gerais, 30535610, Brazil
| | - Sônia Aparecida Talamoni
- Programa de Pós-Graduação em Biologia de Vertebrados, Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte, Minas Gerais, 30535-610, Brazil.
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28
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Zhao W, Yin D, Qiao X, Wang S. Application of Moina mongolica and Daphniopsis tibetana in marine ecotoxicology studies in China: A review. Environ Pollut 2024; 345:123444. [PMID: 38278403 DOI: 10.1016/j.envpol.2024.123444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 01/16/2024] [Accepted: 01/23/2024] [Indexed: 01/28/2024]
Abstract
Moina mongolica and Daphniopsis tibetana are typical saline Cladocera in China that are characterized by a wide salinity range, rapid reproduction, and high-density culture. In this paper, the characteristics and life history of M. mongolica and D. tibetana are reviewed. The application of these two species of Cladocera to ecotoxicology in recent years is also summarized from the aspects of environmental factors and environmental pollutants, including ultraviolet B radiation, temperature, salinity, alkalinity, pH, heavy metals, harmful red tide, pesticides, and persistent organic pollutants. Additionally, the toxicity sensitivity of saline Cladocera in different reproductive statuses and inter-generational embryos is discussed. Finally, the need to enhance knowledge of the molecular genomics, population dynamics, and strategies for protection of saline Cladocera, along with the need for establishment of estuarine and marine environmental monitoring standards are discussed. Overall, this review highlights the potential for using these Cladocera species as indicator organisms for estuarine and marine ecotoxicology studies.
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Affiliation(s)
- Wen Zhao
- Key Laboratory of Hydrobiology in Liaoning Province, College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, PR China.
| | - Dongpeng Yin
- Key Laboratory of Hydrobiology in Liaoning Province, College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, PR China.
| | - Xingye Qiao
- Key Laboratory of Hydrobiology in Liaoning Province, College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, PR China.
| | - Shan Wang
- Key Laboratory of Hydrobiology in Liaoning Province, College of Fisheries and Life Science, Dalian Ocean University, Dalian 116023, PR China.
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Vermeire ML, Thiour-Mauprivez C, De Clerck C. Agroecological transition: towards a better understanding of the impact of ecology-based farming practices on soil microbial ecotoxicology. FEMS Microbiol Ecol 2024; 100:fiae031. [PMID: 38479782 PMCID: PMC10994205 DOI: 10.1093/femsec/fiae031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Revised: 12/22/2023] [Accepted: 03/12/2024] [Indexed: 04/05/2024] Open
Abstract
Alternative farming systems have developed since the beginning of industrial agriculture. Organic, biodynamic, conservation farming, agroecology and permaculture, all share a grounding in ecological concepts and a belief that farmers should work with nature rather than damage it. As ecology-based agricultures rely greatly on soil organisms to perform the functions necessary for agricultural production, it is thus important to evaluate the performance of these systems through the lens of soil organisms, especially soil microbes. They provide numerous services to plants, including growth promotion, nutrient supply, tolerance to environmental stresses and protection against pathogens. An overwhelming majority of studies confirm that ecology-based agricultures are beneficial for soil microorganisms. However, three practices were identified as posing potential ecotoxicological risks: the recycling of organic waste products, plastic mulching, and pest and disease management with biopesticides. The first two because they can be a source of contaminants; the third because of potential impacts on non-target microorganisms. Consequently, developing strategies to allow a safe recycling of the increasingly growing organic matter stocks produced in cities and factories, and the assessment of the ecotoxicological impact of biopesticides on non-target soil microorganisms, represent two challenges that ecology-based agricultural systems will have to face in the future.
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Affiliation(s)
- Marie-Liesse Vermeire
- CIRAD, UPR Recyclage et Risque, Dakar 18524, Sénégal
- Recyclage et Risque, Univ Montpellier, CIRAD, Montpellier 34398, France
| | - Clémence Thiour-Mauprivez
- INRAE, Institut Agro, Université de Bourgogne, Université de Bourgogne Franche-Comté, Agroécologie, Dijon 21000, France
| | - Caroline De Clerck
- AgricultureIsLife, Gembloux Agro-Bio Tech, Liege University, 2 Passage des Déportés, 5030 Gembloux, Belgium
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Colas S, Le Faucheur S. How do biomarkers dance? Specific moves of defense and damage biomarkers for biological interpretation of dose-response model trends. J Hazard Mater 2024; 465:133180. [PMID: 38104522 DOI: 10.1016/j.jhazmat.2023.133180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2023] [Revised: 11/13/2023] [Accepted: 12/03/2023] [Indexed: 12/19/2023]
Abstract
Omics studies are currently increasingly used in ecotoxicology to highlight the induction of known or novel biomarkers when organisms are exposed to contaminants. Although it is virtually impossible to identify all biomarkers from all organisms, biomarkers can be grouped as defense or damage biomarkers, exhibiting a limited number of response trends. Our working hypothesis is that defense and damage biomarkers follow different dose-response patterns. A meta-analysis of 156 articles and 2595 observations of dose-response curves of defense and damage biomarkers was carried out in order to characterize the response trends of these biological parameters in a large panel of living organisms (18 phyla) exposed to inorganic or organic contaminants (176 in total). Using multinomial logistic regression models, defense biomarkers were found to describe biphasic responses (bell- and U-shaped) to a greater extent (2.5 times) than damage biomarkers. In contrast, damage biomarkers varied mainly monotonically (decreasing or increasing), representing 85% of the observations. Neither the nature of the contaminant nor the type of organisms belonging to 4 kingdoms, influence these specific responses. This result suggests that cellular defense and damage mechanisms are not specific to stressors and are conserved throughout life. Trend analysis of dose-response models as a biological interpretation of biomarkers could thus be a valuable way to exploit large omics datasets.
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Affiliation(s)
- Simon Colas
- Universite de Pau et des Pays de l'Adour, E2S-UPPA, CNRS, IPREM, Pau, France.
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Qi T, Jing D, Zhang K, Shi J, Qiu H, Kan C, Han F, Wu C, Sun X. Environmental toxicology of bisphenol A: Mechanistic insights and clinical implications on the neuroendocrine system. Behav Brain Res 2024; 460:114840. [PMID: 38157990 DOI: 10.1016/j.bbr.2023.114840] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/20/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
Bisphenol A (BPA) is a widely used environmental estrogen found in a variety of products, including food packaging, canned goods, baby bottle soothers, reusable cups, medical devices, tableware, dental sealants, and other consumer goods. This substance has been found to have detrimental effects on both the environment and human health, particularly on the reproductive, immune, embryonic development, nervous, endocrine, and respiratory systems. This paper aims to provide a comprehensive review of the effects of BPA on the neuroendocrine system, with a primary focus on its impact on the brain, neurons, oligodendrocytes, neural stem cell proliferation, DNA damage, and behavioral development. Additionally, the review explores the clinical implications of BPA, specifically examining its role in the onset and progression of various diseases associated with the neuroendocrine metabolic system. By delving into the mechanistic analysis and clinical implications, this review aims to serve as a valuable resource for studying the impacts of BPA exposure on organisms.
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Affiliation(s)
- Tongbing Qi
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Dongqing Jing
- Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China; Department of Neurology 1, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Kexin Zhang
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Junfeng Shi
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Hongyan Qiu
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chengxia Kan
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Fang Han
- Department of Pathology, Affiliated Hospital of Weifang Medical University, Weifang, China
| | - Chunyan Wu
- Department of Neurology 1, Affiliated Hospital of Weifang Medical University, Weifang, China.
| | - Xiaodong Sun
- Department of Endocrinology and Metabolism, Affiliated Hospital of Weifang Medical University, Weifang, China; Clinical Research Center, Affiliated Hospital of Weifang Medical University, Weifang, China.
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32
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Li F, Wang P, Fan T, Zhang N, Zhao L, Zhong R, Sun G. Prioritization of the ecotoxicological hazard of PAHs towards aquatic species spanning three trophic levels using 2D-QSTR, read-across and machine learning-driven modelling approaches. J Hazard Mater 2024; 465:133410. [PMID: 38185092 DOI: 10.1016/j.jhazmat.2023.133410] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 12/24/2023] [Accepted: 12/29/2023] [Indexed: 01/09/2024]
Abstract
Polycyclic aromatic hydrocarbons (PAHs) represent a common group of environmental pollutants that endanger various aquatic organisms via various pathways. To better prioritize the ecotoxicological hazard of PAHs to aquatic environment, we used 2D descriptors-based quantitative structure-toxicity relationship (QSTR) to assess the toxicity of PAHs toward six aquatic model organisms spanning three trophic levels. According to strict OECD guideline, six easily interpretable, transferable and reproducible 2D-QSTR models were constructed with high robustness and reliability. A mechanistic interpretation unveiled the key structural factors primarily responsible for controlling the aquatic ecotoxicity of PAHs. Furthermore, quantitative read-across and different machine learning approaches were employed to validate and optimize the modelling approach. Importantly, the optimum QSTR models were further applied for predicting the ecotoxicity of hundreds of untested/unknown PAHs gathered from Pesticide Properties Database (PPDB). Especially, we provided a priority list in terms of the toxicity of unknown PAHs to six aquatic species, along with the corresponding mechanistic interpretation. In summary, the models can serve as valuable tools for aquatic risk assessment and prioritization of untested or completely new PAHs chemicals, providing essential guidance for formulating regulatory policies.
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Affiliation(s)
- Feifan Li
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China; Solid Waste and Chemicals Management Center, Ministry of Ecology and Environment, Beijing 100029, China
| | - Peng Wang
- Department of Neurosurgery, the First Medical Center of Chinese PLA General Hospital, Beijing 100853, China
| | - Tengjiao Fan
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China; Department of Medical Technology, Beijing Pharmaceutical University of Staff and Workers, Beijing 100079, China
| | - Na Zhang
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Lijiao Zhao
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Rugang Zhong
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China
| | - Guohui Sun
- Beijing Key Laboratory of Environmental and Viral Oncology, Faculty of Environment and Life, Beijing University of Technology, Beijing 100124, China.
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33
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Rodea-Palomares I, Bone AJ. Predictive value of the ToxCast/Tox21 high throughput toxicity screening data for approximating in vivo ecotoxicity endpoints and ecotoxicological risk in eco- surveillance applications. Sci Total Environ 2024; 914:169783. [PMID: 38184261 DOI: 10.1016/j.scitotenv.2023.169783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 12/01/2023] [Accepted: 12/28/2023] [Indexed: 01/08/2024]
Abstract
Ecotoxicology has long relied on assessing the hazard potential of chemicals through traditional in vivo testing methods to understand the possible risk exposure could pose to ecological taxa. In the past decade, the development of non-animal new approach methods (NAMs) for assessing chemical hazard and risk has quickly grown. These methods are often cheaper and faster than traditional toxicity testing, and thus are amenable to high-throughput toxicity testing (HTT), resulting in large datasets. The ToxCast/Tox21 HTT programs have produced in vitro data for thousands of chemicals covering a large space of biological activity. The relevance of these data to in vivo mammalian toxicity has been much explored. Interest has also grown in using these data to evaluate the risk of environmental exposures to taxa of ecological importance such as fish, aquatic invertebrates, etc.; particularly for the purpose of estimating the risk of exposure from real-world complex mixtures. Understanding the relationship and relative sensitivity of NAMs versus standardized ecotoxicological whole organism models is a key component of performing reliable read-across from mammalian in vitro data to ecotoxicological in vivo data. In this work, we explore the relationship between in vivo ecotoxicity data from several publicly available databases and the ToxCast/Tox21 data. We also performed several case studies in which we compare how using different ecotoxicity datasets, whether traditional or ToxCast-based, affects risk conclusions based on exposure to complex mixtures derived from existing large-scale chemical monitoring data. Generally, predictive value of ToxCast data for traditional in vivo endpoints (EPs) was poor (r ≤ 0.3). Risk conclusions, including identification of different chemical risk drivers and prioritized monitoring sites, were different when using HTT data vs. traditional in vivo data.
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Affiliation(s)
| | - Audrey J Bone
- Bayer CropScience, 700 Chesterfield Parkway West, Chesterfield, MO, USA
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Popov Aleksandrov A, Tucovic D, Kulas J, Popovic D, Kataranovski D, Kataranovski M, Mirkov I. Toxicology of chemical biocides: Anticoagulant rodenticides - Beyond hemostasis disturbance. Comp Biochem Physiol C Toxicol Pharmacol 2024; 277:109841. [PMID: 38237840 DOI: 10.1016/j.cbpc.2024.109841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/28/2023] [Accepted: 01/11/2024] [Indexed: 01/23/2024]
Abstract
The use of anticoagulant rodenticides (ARs) is one of the most commonly employed management methods for pest rodents. ARs compete with vitamin K (VK) required for the synthesis of blood clotting factors in the liver, resulting in inhibition of blood coagulation and often animal death due to hemorrhage. Besides rodents (target species), ARs may affect non-target animal species and humans. Out of hemostasis disturbance, the effects of ARs may be related to the inhibition of proteins that require VK for their synthesis but are not involved in the coagulation process, to their direct cytotoxicity, and their pro-oxidant/proinflammatory activity. A survey of the cellular and molecular mechanisms of these sublethal/asymptomatic AR effects is given in this review. Data from field, clinical, and experimental studies are presented. Knowledge of these mechanisms might improve hazard characterization and identification of potential ecotoxicological risks associated with ARs, contributing to a safer use of these chemicals.
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Affiliation(s)
- Aleksandra Popov Aleksandrov
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia
| | - Dina Tucovic
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia
| | - Jelena Kulas
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia
| | - Dusanka Popovic
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia
| | - Dragan Kataranovski
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia
| | - Milena Kataranovski
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia
| | - Ivana Mirkov
- Immunotoxicology group, Department of Ecology, Institute for Biological Research "Siniša Stanković"- National Institute of the Republic of Serbia, University of Belgrade, 142 Bulevar despota Stefana, Belgrade 11000, Serbia.
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Liu JY, Sayes CM. Modeling mixtures interactions in environmental toxicology. Environ Toxicol Pharmacol 2024; 106:104380. [PMID: 38309542 DOI: 10.1016/j.etap.2024.104380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Revised: 01/26/2024] [Accepted: 01/30/2024] [Indexed: 02/05/2024]
Abstract
In the environment, organisms are exposed to mixtures of different toxicants, which may interact in ways that are difficult to predict when only considering each component individually. Adapting and expanding tools from pharmacology, the toxicology field uses analytical, graphical, and computational methods to identify and quantify interactions in multi-component mixtures. The two general frameworks are concentration addition, where components have similar modes of action and their effects sum together, or independent action, where components have dissimilar modes of action and do not interact. Other interaction behaviors include synergism and antagonism, where the combined effects are more or less than the additive sum of individual effects. This review covers foundational theory, methods, an in-depth survey of original research from the past 20 years, current trends, and future directions. As humans and ecosystems are exposed to increasingly complex mixtures of environmental contaminants, analyzing mixtures interactions will continue to become a more critical aspect of toxicological research.
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Affiliation(s)
- James Y Liu
- Department of Environmental Science, Baylor University, Waco, TX, USA
| | - Christie M Sayes
- Department of Environmental Science, Baylor University, Waco, TX, USA.
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36
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Wilkinson JL, Thornhill I, Oldenkamp R, Gachanja A, Busquets R. Pharmaceuticals and Personal Care Products in the Aquatic Environment: How Can Regions at Risk be Identified in the Future? Environ Toxicol Chem 2024; 43:575-588. [PMID: 37818878 DOI: 10.1002/etc.5763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Revised: 07/11/2023] [Accepted: 10/09/2023] [Indexed: 10/13/2023]
Abstract
Pharmaceuticals and personal care products (PPCPs) are an indispensable component of a healthy society. However, they are well-established environmental contaminants, and many can elicit biological disruption in exposed organisms. It is now a decade since the landmark review covering the top 20 questions on PPCPs in the environment (Boxall et al., 2012). In the present study we discuss key research priorities for the next 10 years with a focus on how regions where PPCPs pose the greatest risk to environmental and human health, either now or in the future, can be identified. Specifically, we discuss why this problem is of importance and review our current understanding of PPCPs in the aquatic environment. Foci include PPCP occurrence and what drives their environmental emission as well as our ability to both quantify and model their distribution. We highlight critical areas for future research including the involvement of citizen science for environmental monitoring and using modeling techniques to bridge the gap between research capacity and needs. Because prioritization of regions in need of environmental monitoring is needed to assess future/current risks, we also propose four criteria with which this may be achieved. By applying these criteria to available monitoring data, we narrow the focus on where monitoring efforts for PPCPs are most urgent. Specifically, we highlight 19 cities across Africa, Central America, the Caribbean, and Asia as priorities for future environmental monitoring and risk characterization and define four priority research questions for the next 10 years. Environ Toxicol Chem 2024;43:575-588. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- John L Wilkinson
- Environment and Geography Department, University of York, York, UK
| | - Ian Thornhill
- School of Environment, Education and Development, The University of Manchester, Manchester, UK
| | - Rik Oldenkamp
- Amsterdam Institute for Life and Environment, Faculty of Science, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Amsterdam Institute for Global Health and Development, University of Amsterdam, Amsterdam, The Netherlands
| | - Anthony Gachanja
- Department of Food Science and Post-Harvest Technology, Jomo Kenyatta University of Agriculture and Technology, Nairobi, Kenya
| | - Rosa Busquets
- Department of Chemical and Pharmaceutical Sciences, Kingston University London, Kingston-upon-Thames, UK
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Carter LJ, Armitage JM, Brooks BW, Nichols JW, Trapp S. Predicting the Accumulation of Ionizable Pharmaceuticals and Personal Care Products in Aquatic and Terrestrial Organisms. Environ Toxicol Chem 2024; 43:502-512. [PMID: 35920339 DOI: 10.1002/etc.5451] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 06/27/2022] [Accepted: 07/28/2022] [Indexed: 06/15/2023]
Abstract
The extent to which chemicals bioaccumulate in aquatic and terrestrial organisms represents a fundamental consideration for chemicals management efforts intended to protect public health and the environment from pollution and waste. Many chemicals, including most pharmaceuticals and personal care products (PPCPs), are ionizable across environmentally relevant pH gradients, which can affect their fate in aquatic and terrestrial systems. Existing mathematical models describe the accumulation of neutral organic chemicals and weak acids and bases in both fish and plants. Further model development is hampered, however, by a lack of mechanistic insights for PPCPs that are predominantly or permanently ionized. Targeted experiments across environmentally realistic conditions are needed to address the following questions: (1) What are the partitioning and sorption behaviors of strongly ionizing chemicals among species? (2) How does membrane permeability of ions influence bioaccumulation of PPCPs? (3) To what extent are salts and associated complexes with PPCPs influencing bioaccumulation? (4) How do biotransformation and other elimination processes vary within and among species? (5) Are bioaccumulation modeling efforts currently focused on chemicals and species with key data gaps and risk profiles? Answering these questions promises to address key sources of uncertainty for bioaccumulation modeling of ionizable PPCPs and related contaminants. Environ Toxicol Chem 2024;43:502-512. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Laura J Carter
- School of Geography, Faculty of Environment, University of Leeds, Leeds, United Kingdom and Northern Ireland
| | | | - Bryan W Brooks
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Institute of Biomedical Studies, Baylor University, Waco, Texas, USA
- South Bohemian Research Center of Aquaculture and Biodiversity of Hydrocenoses, Faculty of Fisheries and Protection of Waters, University of South Bohemia in České Budějovice, Vodňany, Czech Republic
| | - John W Nichols
- Center for Computational Toxicology and Exposure, Great Lakes Toxicology and Ecology Division, Office of Research and Development, US Environmental Protection Agency, Duluth, Minnesota, USA
| | - Stefan Trapp
- Department of Environmental and Resource Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
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Mendes LA, Domínguez J. Spent coffee grounds as a suitable alternative to standard soil in ecotoxicological tests. Environ Sci Pollut Res Int 2024; 31:16725-16734. [PMID: 38326678 PMCID: PMC10894160 DOI: 10.1007/s11356-024-32297-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 01/28/2024] [Indexed: 02/09/2024]
Abstract
Eisenia andrei is considered in OECD and ISO guidelines to be a suitable replacement for Eisenia fetida in ecotoxicological assays. This suggests that other alternative materials and methods could also be used in standard procedures for toxicity testing. The guidelines also favor using less time-consuming procedures and reducing costs and other limitations to ecotoxicological assessments. In recent years, spent coffee grounds (SCG) have been used to produce vermicompost and biochar and as an additive to organic fertilizers. In addition, the physicochemical characteristics of SCG indicate that the material is a suitable substrate for earthworms, with the organisms performing as well as in natural soil. In the present study, a battery of ecotoxicological tests was established with unwashed and washed SCG and a natural reference soil (LUFA 2.2). The test substrates were spiked with different concentrations of silver nitrate. Survival and reproduction of the earthworm E. andrei were assessed under different conditions, along with substrate basal respiration (SBR) as a proxy for microbial activity. Seedling emergence and the germination index of Lepidium sativum were also determined, following standard guidelines. Exposure to silver nitrate had similar effects on earthworm survival and reproduction, as the estimated effective concentrations (EC10 and EC50) in unwashed SCG and LUFA 2.2 overlapped. A hormetic effect was observed for SBR in LUFA 2.2 spiked with 12.8 mg/kg but not in unwashed SCG. Both SBR and root development were inhibited by similar concentrations of silver nitrate in washed SCG. The findings indicate that unwashed SCG could potentially be used as a substrate in E. andrei toxicity tests and support the eventual inclusion of this material in the standard guidelines.
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Affiliation(s)
- Luís André Mendes
- GEA (Grupo de Ecoloxía Animal), Universidade de Vigo, 36310, Vigo, Spain.
| | - Jorge Domínguez
- GEA (Grupo de Ecoloxía Animal), Universidade de Vigo, 36310, Vigo, Spain
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Sumpter JP, Johnson AC, Runnalls TJ. Pharmaceuticals in the Aquatic Environment: No Answers Yet to the Major Questions. Environ Toxicol Chem 2024; 43:589-594. [PMID: 35770719 DOI: 10.1002/etc.5421] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 06/15/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
The presence of pharmaceuticals in the environment, especially the aquatic environment, has received a lot of attention in the last 20 plus years. Despite that attention, the two most important questions regarding pharmaceuticals in the environment still cannot be answered. It is not possible to put the threat posed by pharmaceuticals into perspective with the many other threats (stressors) facing aquatic organisms, such as low flows due to over-abstraction of water, inhibited passage of migratory species due to dams and weirs, diseases, algal blooms causing low oxygen levels and releasing toxins, eutrophication, climate change, and so on. Nor is it possible to identify which pharmaceuticals are of concern and which are not. Not only can these key questions not be answered presently, they have received extremely little attention, despite being identified 10 years ago as the two most important questions to answer. That situation must change if resources and expertise are to be effectively used to protect the environment. Environ Toxicol Chem 2024;43:589-594. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- John P Sumpter
- Institute of Environment, Health and Societies, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, Middlesex, UB8 3PH, United Kingdom
| | - Andrew C Johnson
- UK Centre for Ecology & Hydrology, Maclean Building, Benson Lane, Crowmarsh Gifford, Wallingford, Oxfordshire, OX10 8BB, United Kingdom
| | - Tamsin J Runnalls
- Institute of Environment, Health and Societies, College of Health, Medicine and Life Sciences, Brunel University London, Uxbridge, Middlesex, UB8 3PH, United Kingdom
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Rowland FE, Kotalik CJ, Marcot BG, Hinck JE, Walters DM. A novel approach to assessing natural resource injury with Bayesian networks. Integr Environ Assess Manag 2024; 20:562-573. [PMID: 37664978 DOI: 10.1002/ieam.4836] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2023] [Revised: 08/16/2023] [Accepted: 08/25/2023] [Indexed: 09/05/2023]
Abstract
Quantifying the effects of environmental stressors on natural resources is problematic because of complex interactions among environmental factors that influence endpoints of interest. This complexity, coupled with data limitations, propagates uncertainty that can make it difficult to causally associate specific environmental stressors with injury endpoints. The Natural Resource Damage Assessment and Restoration (NRDAR) regulations under the Comprehensive Environmental Response, Compensation, and Liability Act and Oil Pollution Act aim to restore natural resources injured by oil spills and hazardous substances released into the environment; exploration of alternative statistical methods to evaluate effects could help address NRDAR legal claims. Bayesian networks (BNs) are statistical tools that can be used to estimate the influence and interrelatedness of abiotic and biotic environmental variables on environmental endpoints of interest. We investigated the application of a BN for injury assessment using a hypothetical case study by simulating data of acid mine drainage (AMD) affecting a fictional stream-dwelling bird species. We compared the BN-generated probability estimates for injury with a more traditional approach using toxicity thresholds for water and sediment chemistry. Bayesian networks offered several distinct advantages over traditional approaches, including formalizing the use of expert knowledge, probabilistic estimates of injury using intermediate direct and indirect effects, and the incorporation of a more nuanced and ecologically relevant representation of effects. Given the potential that BNs have for natural resource injury assessment, more research and field-based application are needed to determine their efficacy in NRDAR. We expect the resulting methods will be of interest to many US federal, state, and tribal programs devoted to the evaluation, mitigation, remediation, and/or restoration of natural resources injured by releases or spills of contaminants. Integr Environ Assess Manag 2024;20:562-573. Published 2023. This article is a U.S. Government work and is in the public domain in the USA. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Freya E Rowland
- US Geological Survey, Columbia Environmental Research Center, Columbia, Missouri, USA
| | - Christopher J Kotalik
- US Geological Survey, Columbia Environmental Research Center, Columbia, Missouri, USA
| | - Bruce G Marcot
- US Forest Service, Pacific Northwest Research Station, Portland, Oregon, USA
| | - Jo Ellen Hinck
- US Geological Survey Natural Resource Damage Assessment and Restoration and Disaster Supplemental Science Coordinator, Natural Hazards Mission Area, Reston, Virginia, USA
| | - David M Walters
- US Geological Survey, Columbia Environmental Research Center, Columbia, Missouri, USA
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41
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Binet MT, Golding LA, Adams MS, Robertson T, Elsdon TS. Advantages of model averaging of species sensitivity distributions used for regulating produced water discharges. Integr Environ Assess Manag 2024; 20:498-517. [PMID: 37466036 DOI: 10.1002/ieam.4817] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 05/10/2023] [Accepted: 06/27/2023] [Indexed: 07/20/2023]
Abstract
Produced water (PW) generated by Australian offshore oil and gas activities is typically discharged to the ocean after treatment. These complex mixtures of organic and inorganic compounds can pose significant environmental risk to receiving waters, if not managed appropriately. Oil and gas operators in Australia are required to demonstrate that environmental impacts of their activity are managed to levels that are as low as reasonably practicable, for example, through risk assessments comparing predicted no-effect concentrations (PNECs) with predicted environmental concentrations of PW. Probabilistic species sensitivity distribution (SSD) approaches are increasingly being used to derive PW PNECs and subsequently calculating dilutions of PW (termed "safe" dilutions) required to protect a nominated percentage of species in the receiving environment (e.g., 95% and 99% or PC95 and PC99, respectively). Limitations associated with SSDs include fitting a single model to small (six to eight species) data sets, resulting in large uncertainty (very wide 95% confidence limits) in the region associated with PC99 and PC95 results. Recent advances in SSD methodology, in the form of model averaging, claim to overcome some of these limitations by applying the average model fit of multiple models to a data set. We assessed the advantages and limitations of four different SSD software packages for determining PNECs for five PWs from a gas and condensate platform off the North West Shelf of Australia. Model averaging reduced occurrences of extreme uncertainty around PC95 and PC99 values compared with single model fitting and was less prone to the derivation of overly conservative PC99 and PC95 values that resulted from lack of fit to single models. Our results support the use of model averaging for improved robustness in derived PNEC and subsequent "safe" dilution values for PW discharge management and risk assessment. In addition, we present and discuss the toxicity of PW considering the paucity of such information in peer-reviewed literature. Integr Environ Assess Manag 2024;20:498-517. © 2023 Commonwealth Scientific and Industrial Research Organisation. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
| | | | | | - Tim Robertson
- Chevron Australia, Perth, Western Australia, Australia
| | - Travis S Elsdon
- Chevron Energy Technology Pty. Ltd., Perth, Western Australia, Australia
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Moe SJ, Brix KV, Landis WG, Stauber JL, Carriger JF, Hader JD, Kunimitsu T, Mentzel S, Nathan R, Noyes PD, Oldenkamp R, Rohr JR, van den Brink PJ, Verheyen J, Benestad RE. Integrating climate model projections into environmental risk assessment: A probabilistic modeling approach. Integr Environ Assess Manag 2024; 20:367-383. [PMID: 38084033 DOI: 10.1002/ieam.4879] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2023] [Revised: 11/28/2023] [Accepted: 12/04/2023] [Indexed: 01/11/2024]
Abstract
The Society of Environmental Toxicology and Chemistry (SETAC) convened a Pellston workshop in 2022 to examine how information on climate change could be better incorporated into the ecological risk assessment (ERA) process for chemicals as well as other environmental stressors. A major impetus for this workshop is that climate change can affect components of ecological risks in multiple direct and indirect ways, including the use patterns and environmental exposure pathways of chemical stressors such as pesticides, the toxicity of chemicals in receiving environments, and the vulnerability of species of concern related to habitat quality and use. This article explores a modeling approach for integrating climate model projections into the assessment of near- and long-term ecological risks, developed in collaboration with climate scientists. State-of-the-art global climate modeling and downscaling techniques may enable climate projections at scales appropriate for the study area. It is, however, also important to realize the limitations of individual global climate models and make use of climate model ensembles represented by statistical properties. Here, we present a probabilistic modeling approach aiming to combine projected climatic variables as well as the associated uncertainties from climate model ensembles in conjunction with ERA pathways. We draw upon three examples of ERA that utilized Bayesian networks for this purpose and that also represent methodological advancements for better prediction of future risks to ecosystems. We envision that the modeling approach developed from this international collaboration will contribute to better assessment and management of risks from chemical stressors in a changing climate. Integr Environ Assess Manag 2024;20:367-383. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- S Jannicke Moe
- Norwegian Institute for Water Research (NIVA), Oslo, Norway
| | - Kevin V Brix
- EcoTox LLC, Miami, Florida, USA
- RSMAES, University of Miami, Miami, Florida, USA
| | - Wayne G Landis
- College of the Environment, Western Washington University, Bellingham, Washington, USA
| | - Jenny L Stauber
- CSIRO Environment, Lucas Heights, Sydney, NSW, Australia
- La Trobe University, Wodonga, Victoria, Australia
| | - John F Carriger
- Center for Environmental Solutions and Emergency Response, Office of Research and Development, USEPA, Land Remediation and Technology Division, Cincinnati, Ohio, USA
| | - John D Hader
- Department of Environmental Science, Stockholm University, Stockholm, Sweden
| | - Taro Kunimitsu
- CICERO Center for International Climate Research, Oslo, Norway
| | - Sophie Mentzel
- Norwegian Institute for Water Research (NIVA), Oslo, Norway
| | - Rory Nathan
- Department of Infrastructure Engineering, University of Melbourne, Melbourne, Victoria, Australia
| | - Pamela D Noyes
- Center for Public Health and Environmental Assessment, Office of Research and Development, USEPA, Integrated Climate Sciences Division, Washington, DC, USA
| | - Rik Oldenkamp
- Chemistry for Environment and Health, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | - Jason R Rohr
- Department of Biological Sciences, University of Notre Dame, Notre Dame, Indiana, USA
| | - Paul J van den Brink
- Aquatic Ecology and Water Quality Management Group, Wageningen University, Wageningen, The Netherlands
| | - Julie Verheyen
- Laboratory of Evolutionary Stress Ecology and Ecotoxicology, KU Leuven, Belgium
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Helwig K, Niemi L, Stenuick JY, Alejandre JC, Pfleger S, Roberts J, Harrower J, Nafo I, Pahl O. Broadening the Perspective on Reducing Pharmaceutical Residues in the Environment. Environ Toxicol Chem 2024; 43:653-663. [PMID: 36647735 DOI: 10.1002/etc.5563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 09/23/2022] [Accepted: 01/13/2023] [Indexed: 06/17/2023]
Abstract
The present study reviews options for reducing harm from pharmaceuticals that are known to cause adverse impacts by their presence in the environment. It reviews recent global and European Union policy development, which could go further in recognizing and addressing the issue in a global context. It considers green chemistry, which can help clean up production processes but holds only long-term promise for creating "green" alternatives. It explores the potential of health promotion and disease prevention, which can contribute significantly to a reduction of the disease burden and thus the need for medicines, both for infectious and for noncommunicable disease. Eco-directed sustainable prescribing practices are reviewed, which have been adopted successfully to reduce the use of harmful pharmaceuticals. We note recent developments in medicines optimization and precision medicine, which hold promise for improving patient outcomes, saving costs, and reducing pharmaceutical use, through individually tailored prescribing whereby the patient codecides their therapy. Waste prevention through reuse or redistribution is beginning to find public support and "take-back" waste disposal schemes set up via extended producer responsibility systems have achieved high returns. Finally, the paper summarizes preferred advanced wastewater technologies, including innovative low-cost, low-energy options. In summary, although end-of-pipe options have a role to play, particularly for highly concentrated wastewaters, solutions further up the medicinal chain and disease prevention interventions, informed by a broad view of health and health care, are needed to pursue a much greater potential reduction of pharmaceuticals in the environment than can be achieved by end-of-pipe solutions alone. Environ Toxicol Chem 2024;43:653-663. © 2023 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- K Helwig
- School of Computing Engineering and the Built Environment, Glasgow Caledonian University, Glasgow, United Kingdom
| | - L Niemi
- Environmental Research Institute, University of the Highlands and Islands, Thurso, United Kingdom
| | - J-Y Stenuick
- Health Care Without Harm Europe, Brussels, Belgium
| | - J C Alejandre
- School of Computing Engineering and the Built Environment, Glasgow Caledonian University, Glasgow, United Kingdom
| | - S Pfleger
- NHS Highland, Inverness, United Kingdom
| | - J Roberts
- School of Computing Engineering and the Built Environment, Glasgow Caledonian University, Glasgow, United Kingdom
| | - J Harrower
- School of Computing Engineering and the Built Environment, Glasgow Caledonian University, Glasgow, United Kingdom
| | - I Nafo
- Emschergenossenschaft and Lippeverband, Essen, Germany
| | - O Pahl
- School of Computing Engineering and the Built Environment, Glasgow Caledonian University, Glasgow, United Kingdom
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Stahl RG, Boxall ABA, Brix KV, Landis WG, Stauber JL, Moe SJ. Incorporating climate change model projections into ecological risk assessments to help inform risk management and adaptation strategies: Synthesis of a SETAC Pellston Workshop®. Integr Environ Assess Manag 2024; 20:359-366. [PMID: 38124219 DOI: 10.1002/ieam.4883] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Revised: 12/07/2023] [Accepted: 12/11/2023] [Indexed: 12/23/2023]
Abstract
The impacts of global climate change are not yet well integrated with the estimates of the impacts of chemicals on the environment. This is evidenced by the lack of consideration in national or international reports that evaluate the impacts of climate change and chemicals on ecosystems and the relatively few peer-reviewed publications that have focused on this interaction. In response, a 2011 Pellston Workshop® was held on this issue and resulted in seven publications in Environmental Toxicology and Chemistry. Yet, these publications did not move the field toward climate change and chemicals as important factors together in research or policy-making. Here, we summarize the outcomes of a second Pellston Workshop® on this topic held in 2022 that included climate scientists, environmental toxicologists, chemists, and ecological risk assessors from 14 countries and various sectors. Participants were charged with assessing where climate models can be applied to evaluating potential exposure and ecological effects at geographical and temporal scales suitable for ecological risk assessment, and thereby be incorporated into adaptive risk management strategies. We highlight results from the workshop's five publications included in the special series "Incorporating Global Climate Change into Ecological Risk Assessments: Strategies, Methods and Examples." We end this summary with the overall conclusions and recommendations from participants. Integr Environ Assess Manag 2024;20:359-366. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
| | | | | | - Wayne G Landis
- Western Washington University, Bellingham, Washington, USA
| | - Jenny L Stauber
- CSIRO, Sydney, New South Wales, Australia
- La Trobe University, Wodonga, Victoria, Australia
| | - S Jannicke Moe
- Norwegian Institute for Water Research (NIVA), Oslo, Norway
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45
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Sweeney CJ, Kaushik R, Bottoms M. Considerations for the inclusion of metabarcoding data in the plant protection product risk assessment of the soil microbiome. Integr Environ Assess Manag 2024; 20:337-358. [PMID: 37452668 DOI: 10.1002/ieam.4812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/12/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
There is increasing interest in further developing the plant protection product (PPP) environmental risk assessment, particularly within the European Union, to include the assessment of soil microbial community composition, as measured by metabarcoding approaches. However, to date, there has been little discussion as to how this could be implemented in a standardized, reliable, and robust manner suitable for regulatory decision-making. Introduction of metabarcoding-based assessments of the soil microbiome into the PPP risk assessment would represent a significant increase in the degree of complexity of the data that needs to be processed and analyzed in comparison to the existing risk assessment on in-soil organisms. The bioinformatics procedures to process DNA sequences into community compositional data sets currently lack standardization, while little information exists on how these data should be used to generate regulatory endpoints and the ways in which these endpoints should be interpreted. Through a thorough and critical review, we explore these challenges. We conclude that currently, we do not have a sufficient degree of standardization or understanding of the required bioinformatics and data analysis procedures to consider their use in an environmental risk assessment context. However, we highlight critical knowledge gaps and the further research required to understand whether metabarcoding-based assessments of the soil microbiome can be utilized in a statistically and ecologically relevant manner within a PPP risk assessment. Only once these challenges are addressed can we consider if and how we should use metabarcoding as a tool for regulatory decision-making to assess and monitor ecotoxicological effects on soil microorganisms within an environmental risk assessment of PPPs. Integr Environ Assess Manag 2024;20:337-358. © 2023 SETAC.
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Affiliation(s)
- Christopher J Sweeney
- Syngenta, Jealott's Hill International Research Centre Bracknell, Bracknell, Berkshire, UK
| | - Rishabh Kaushik
- Syngenta, Jealott's Hill International Research Centre Bracknell, Bracknell, Berkshire, UK
| | - Melanie Bottoms
- Syngenta, Jealott's Hill International Research Centre Bracknell, Bracknell, Berkshire, UK
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Cains MG, Desrousseaux AOS, Boxall ABA, Molander S, Molina-Navarro E, Sussams J, Critto A, Stahl RG, Rother HA. Environmental management cycles for chemicals and climate change, EMC 4 : A new conceptual framework contextualizing climate and chemical risk assessment and management. Integr Environ Assess Manag 2024; 20:433-453. [PMID: 38044542 DOI: 10.1002/ieam.4872] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/24/2023] [Accepted: 11/06/2023] [Indexed: 12/05/2023]
Abstract
The environmental management cycles for chemicals and climate change (EMC4 ) is a suggested conceptual framework for integrating climate change aspects into chemical risk management. The interaction of climate change and chemical risk brings together complex systems that are imperfectly understood by science. Making management decisions in this context is therefore difficult and often exacerbated by a lack of data. The consequences of poor decision-making can be significant for both environmental and human health. This article reflects on the ways in which existing chemicals management systems consider climate change and proposes the EMC4 conceptual framework, which is a tool for decision-makers operating at different spatial scales. Also presented are key questions raised by the tool to help the decision-maker identify chemical risks from climate change, management options, and, importantly, the different types of actors that are instrumental in managing that risk. Case studies showing decision-making at different spatial scales are also presented highlighting the conceptual framework's applicability to multiple scales. The United Nations Environment Programme's development of an intergovernmental Science Policy Panel on Chemicals and Waste has presented an opportunity to promote and generate research highlighting the impacts of chemicals and climate change interlinkages. Integr Environ Assess Manag 2024;20:433-453. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
- Mariana G Cains
- National Center for Atmospheric Research, Boulder, Colorado, USA
| | | | | | - Sverker Molander
- Environmental Systems Analysis, Department of Technology Management and Economics, Chalmers University of Technology, Gothenburg, Sweden
| | - Eugenio Molina-Navarro
- Department of Geology, Geography and Environment, University of Alcalá, Alcalá de Henares, Madrid, Spain
| | | | - Andrea Critto
- Department of Environmental Sciences Informatics and Statistics, University Ca' Foscari of Venice, Venice, Italy
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47
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Kotschik P, Princz J, Silva CDLE, Renaud M, Marti-Roura M, Brooks B, Pieper S, Rijk I, Simini M, Andres S, Scholz-Starke B, Grenni P. The upcoming European Soil Monitoring Law: An effective instrument for the protection of terrestrial ecosystems? Integr Environ Assess Manag 2024; 20:316-321. [PMID: 37610145 DOI: 10.1002/ieam.4834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2023] [Revised: 08/04/2023] [Accepted: 08/14/2023] [Indexed: 08/24/2023]
Abstract
Soils are a precious resource consistently placed under several threats and urgently in need of protection within a regulatory framework at the European level. Soils are central to the provision of environmental services as well as human existence on earth. The need to protect soil has been identified by several recent European strategies and fortunately, a specific European regulation for soil protection is on the way-the European Soil Monitoring Law (formerly: Soil Health Law). However, efforts need to ensure that the upcoming Soil Monitoring Law closes gaps between existing regulations for chemicals and acknowledges current European strategies for environmental protection and sustainability. This brief communication started from a fruitful discussion among SETAC Global Soils Interest Group members on a recent public consultation on the newly proposed Soil Monitoring Law of the European Commission and highlights critical points focusing on the chemical pollution of soils. We emphasize urgent needs such as the essential definition of a "healthy state" of soils; the implementation of a suitable set of indicators and quality standards for the description of physical, chemical, and biological states of soils; the enforcement of the "polluter-pays" principle; and the establishment of a Europe-wide monitoring program. Results from monitoring need to be fed back into regulatory frameworks, including the regulation of chemicals. Guidance documents for the risk assessment of chemicals are outdated and need to be updated. Finally, actions need to be taken to foster healthy soils, stop biodiversity decline, and ensure the functioning of ecosystem services for future generations. Integr Environ Assess Manag 2024;20:316-321. © 2023 The Authors. Integrated Environmental Assessment and Management published by Wiley Periodicals LLC on behalf of Society of Environmental Toxicology & Chemistry (SETAC).
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Affiliation(s)
| | | | | | - Mathieu Renaud
- Swiss Centre for Applied Ecotoxicology, Lausanne, Switzerland
| | | | - Bonnie Brooks
- Washington Department of Ecology, Lacey, Washington, USA
| | | | | | | | | | | | - Paola Grenni
- Water Research Institute, National Research Council, Rome, Italy
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48
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Kidd KA, Backhaus T, Brodin T, Inostroza PA, McCallum ES. Environmental Risks of Pharmaceutical Mixtures in Aquatic Ecosystems: Reflections on a Decade of Research. Environ Toxicol Chem 2024; 43:549-558. [PMID: 37530415 DOI: 10.1002/etc.5726] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/13/2023] [Accepted: 07/31/2023] [Indexed: 08/03/2023]
Abstract
Pharmaceuticals and personal care products (PPCPs) occur as variable mixtures in surface waters receiving discharges of human and animal wastes. A key question identified a decade ago is how to assess the effects of long-term exposures of these PPCP mixtures on nontarget organisms. We review the recent progress made on assessing the aquatic ecotoxicity of PPCP mixtures-with a focus on active pharmaceutical ingredients-and the challenges and research needs that remain. New knowledge has arisen from the use of whole-mixture testing combined with component-based approaches, and these studies show that mixtures often result in responses that meet the concentration addition model. However, such studies have mainly been done on individual species over shorter time periods, and longer-term, multispecies assessments remain limited. The recent use of targeted and nontargeted gene analyses has improved our understanding of the diverse pathways that are impacted, and there are promising new "read-across" methods that use mammalian data to predict toxicity in wildlife. Risk assessments remain challenging given the paucity of ecotoxicological and exposure data on PPCP mixtures. As such, the assessment of PPCP mixtures in aquatic environments should remain a priority given the potential for additive-as well as nontarget-effects in nontarget organisms. In addition, we need to improve our understanding of which species, life stages, and relevant endpoints are most sensitive to which types of PPCP mixtures and to expand our knowledge of environmental PPCP levels in regions of the globe that have been poorly studied to date. We recommend an increased use of new approach methodologies, in particular "omics," to advance our understanding of the molecular mechanics of mixture effects. Finally, we call for systematic research on the role of PPCP mixtures in the development of antimicrobial resistance. Environ Toxicol Chem 2024;43:549-558. © 2023 SETAC.
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Affiliation(s)
- Karen A Kidd
- Department of Biology, McMaster University, Hamilton, Ontario, Canada
- School of Earth, Environment and Society, McMaster University, Hamilton, Ontario, Canada
| | - Thomas Backhaus
- Department of Biological and Environmental Sciences, University of Gothenburg, Göteborg, Sweden
| | - Tomas Brodin
- Department of Wildlife, Fish & Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
| | - Pedro A Inostroza
- Department of Biological and Environmental Sciences, University of Gothenburg, Göteborg, Sweden
| | - Erin S McCallum
- Department of Wildlife, Fish & Environmental Studies, Swedish University of Agricultural Sciences, Umeå, Sweden
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49
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Brooks BW, van den Berg S, Dreier DA, LaLone CA, Owen SF, Raimondo S, Zhang X. Towards Precision Ecotoxicology: Leveraging Evolutionary Conservation of Pharmaceutical and Personal Care Product Targets to Understand Adverse Outcomes Across Species and Life Stages. Environ Toxicol Chem 2024; 43:526-536. [PMID: 37787405 PMCID: PMC11017229 DOI: 10.1002/etc.5754] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/26/2023] [Revised: 05/19/2023] [Accepted: 09/20/2023] [Indexed: 10/04/2023]
Abstract
Translation of environmental science to the practice aims to protect biodiversity and ecosystem services, and our future ability to do so relies on the development of a precision ecotoxicology approach wherein we leverage the genetics and informatics of species to better understand and manage the risks of global pollution. A little over a decade ago, a workshop focusing on the risks of pharmaceuticals and personal care products (PPCPs) in the environment identified a priority research question, "What can be learned about the evolutionary conservation of PPCP targets across species and life stages in the context of potential adverse outcomes and effects?" We review the activities in this area over the past decade, consider prospects of more recent developments, and identify future research needs to develop next-generation approaches for PPCPs and other global chemicals and waste challenges. Environ Toxicol Chem 2024;43:526-536. © 2023 SETAC. This article has been contributed to by U.S. Government employees and their work is in the public domain in the USA.
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Affiliation(s)
- Bryan W Brooks
- Department of Environmental Science, Center for Reservoir and Aquatic Systems Research, Institute of Biomedical Studies, Baylor University, Waco, Texas, USA
| | | | - David A Dreier
- Syngenta Crop Protection, Greensboro, North Carolina, USA
| | - Carlie A LaLone
- Center for Computational Toxicology and Exposure, Office of Research and Development, US Environmental Protection Agency, Duluth, Minnesota
| | - Stewart F Owen
- Global Sustainability, Astra Zeneca, Macclesfield, Cheshire, UK
| | - Sandy Raimondo
- Gulf Ecosystem Measurement and Modeling Division, Office of Research and Development, US Environmental Protection Agency, Gulf Breeze, Florida
| | - Xiaowei Zhang
- School of the Environment, Nanjing University, Nanjing, China
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50
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Lewis RW, Andrus AK, Arroyo J, Brescia S, Botham PA, Corvaro M, Daston GP, Hofmann T, Rodriguez C, Sewell F, van Ravenzwaay B, Wiench K, Marty S. Considerations for the development of guidance on dose level selection for developmental and reproductive toxicity studies. Regul Toxicol Pharmacol 2024; 148:105585. [PMID: 38403008 DOI: 10.1016/j.yrtph.2024.105585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2024] [Revised: 02/06/2024] [Accepted: 02/18/2024] [Indexed: 02/27/2024]
Abstract
In 2022, the European Chemicals Agency issued advice on the selection of high dose levels for developmental and reproductive toxicity (DART) studies indicating that the highest dose tested should aim to induce clear evidence of reproductive toxicity without excessive toxicity and severe suffering in parental animals. In addition, a recent publication advocated that a 10% decrease in body weight gain should be replaced with a 10% decrease in bodyweight as a criterion for dose adequacy. Experts from the European Centre for Ecotoxicology and Toxicology of Chemicals evaluated these recent developments and their potential impact on study outcomes and interpretation and identified that the advice was not aligned with OECD test guidelines or with humane endpoints guidance. Furthermore, data analysis from DART studies indicated that a 10% decrease in maternal body weight during gestation equates to a 25% decrease in body weight gain, which differs from the consensus of experts at a 2010 ILSI/HESI workshop. Dose selection should be based on a biological approach that considers a range of other factors. Excessive dose levels that cause frank toxicity and overwhelm homeostasis should be avoided as they can give rise to effects that are not relevant to human health assessments.
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Affiliation(s)
- R W Lewis
- Regulatory Science Associates, Inverkip, Glasgow, Scotland, UK
| | - A K Andrus
- The Dow Chemical Company, Midland, MI, USA
| | | | - S Brescia
- Health & Safety Executive, Chemicals Regulation Division (CRD), Bootle, UK
| | | | - M Corvaro
- Corteva Agriscience Italia S.r.l., Rome, Italy
| | | | | | | | - F Sewell
- National Centre for the Replacement, Refinement and Reduction of Animals in Research (NC3Rs), London, UK.
| | | | | | - S Marty
- The Dow Chemical Company, Midland, MI, USA
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