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Struk-Sokołowska J, Kotowska U, Gwoździej-Mazur J, Polińska W, Canales FA, Kaźmierczak B. Benzotriazoles and bisphenols in wastewater from the food processing industry and the quantitative changes during mechanical/biochemical treatment processes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175387. [PMID: 39127214 DOI: 10.1016/j.scitotenv.2024.175387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/24/2024] [Revised: 07/22/2024] [Accepted: 08/06/2024] [Indexed: 08/12/2024]
Abstract
Benzotriazoles (BTRs) and bisphenols (BPs), categorized as contaminants of emerging concern (CECs), pose significant risks to human health and ecosystems due to their endocrine-disrupting properties and environmental persistence. This study investigates the occurrence and behavior of nine BTRs and ten BPs in wastewater generated in a large-scale meat processing plant, evaluating the effectiveness of a modern mechanical-biological industrial on-site treatment plant in removing these contaminants, and based on the concentration levels from eleven sampling points at different stages of the treatment process. The method used to determine these micropollutants' concentration was ultrasound-assisted emulsification-microextraction for analytes isolation and gas chromatography-mass spectrometry for detection (USAEME-GC/MS). The results indicate that the rigorous quality control processes in the meat processing facility effectively limit the presence of these micropollutants, especially concerning BPs, which are absent or below detection limits in raw wastewater. While the concentrations of some of these micropollutants increased at different points in the treatment process, these values were relatively low, typically below one microgram per liter. Among the compounds analyzed, the only one present after completing the treatment was 5Cl-BTR (maximum concentration: 3007 ng/L), and these contamination levels are around seven times lower than the reference value associated with non-cancer health risk for drinking water. This study contributes to understanding these CECs in industrial wastewater and highlights the importance of effective treatment systems for environmental protection.
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Affiliation(s)
- Joanna Struk-Sokołowska
- Bialystok University of Technology, Faculty of Civil Engineering and Environmental Sciences, 15-351 Bialystok, Poland.
| | - Urszula Kotowska
- University of Bialystok, Faculty of Chemistry, 15-245 Bialystok, Poland
| | - Joanna Gwoździej-Mazur
- Bialystok University of Technology, Faculty of Civil Engineering and Environmental Sciences, 15-351 Bialystok, Poland
| | - Weronika Polińska
- Doctoral School of Exact and Natural Sciences, University of Bialystok, Ciolkowskiego 1K Str., 15-245 Bialystok, Poland
| | - Fausto A Canales
- Universidad de la Costa, Calle 58 #55-66, 080002 Barranquilla, Atlantico, Colombia; Wroclaw University of Science and Technology, Faculty of Environmental Engineering, 50-370 Wroclaw, Poland
| | - Bartosz Kaźmierczak
- Wroclaw University of Science and Technology, Faculty of Environmental Engineering, 50-370 Wroclaw, Poland
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Grzegorzek M, Struk-Sokołowska J, Canales FA, Kotowska U, Kaźmierczak B. Monitoring studies on contamination of urban runoff with hazardous benzotriazoles and bisphenols in one of the least polluted places worldwide. CHEMOSPHERE 2024; 366:143444. [PMID: 39362380 DOI: 10.1016/j.chemosphere.2024.143444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2024] [Revised: 09/19/2024] [Accepted: 09/30/2024] [Indexed: 10/05/2024]
Abstract
Benzotriazoles (BTR) and bisphenols (BP) are artificial contaminants of emerging concern (CECs) commonly found in everyday products. This study focuses on urban runoff to investigate the occurrence of BTRs and BPs in Iceland, regarded as one of the least polluted places in the world, which made it reasonable to confirm or deny the presence of these micropollutants in its environment. Samples collected in February 2023 (SC1) and August 2024 (SC2) from seven locations along Iceland's Ring Road were evaluated to determine the occurrence of seven BTRs (1H-BTR, 4Me-BTR, 5Me-BTR, 5Cl-BTR, UV-P, UV-326, UV-329) and six BPs (BPF, BPE, BPA, BPZ, BPAP, BPM) in the runoff, using the ultrasound-assisted emulsification-microextraction for analytes isolation and gas chromatography-mass spectrometry for detection (USAEME-GC/MS). All locations showed detectable and varying levels of BTRs and BPs, with 5Cl-BTR (11.6 μg/L) and BPF (56.3 μg/L), both in SC1, demonstrating the highest concentrations, providing valuable insights into their prevalence and distribution. A correlational analysis investigated the connection between these pollutants and various characteristics associated with the locations along the Ring Road. This study contributes to the essential comprehension of these CECs, serving as input for future strategies for monitoring and mitigating their impact.
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Affiliation(s)
- Martyna Grzegorzek
- Wroclaw University of Science and Technology, Faculty of Environmental Engineering, 50-370, Wroclaw, Poland.
| | - Joanna Struk-Sokołowska
- Bialystok University of Technology, Faculty of Civil Engineering and Environmental Sciences, 15-351, Bialystok, Poland.
| | - Fausto A Canales
- Universidad de la Costa, Department of Civil and Environmental, 080002, Barranquilla, Atlantico, Colombia.
| | - Urszula Kotowska
- University of Bialystok, Faculty of Chemistry, 15-245, Bialystok, Poland.
| | - Bartosz Kaźmierczak
- Wroclaw University of Science and Technology, Faculty of Environmental Engineering, 50-370, Wroclaw, Poland.
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3
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Grzesiuk M, Grabska M, Malinowska A, Świderska B, Grzesiuk E, Garbicz D, Gorecki A. Daphnia stress response to environmental concentrations of chloramphenicol-multi-omics approach. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-35045-4. [PMID: 39317899 DOI: 10.1007/s11356-024-35045-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Accepted: 09/16/2024] [Indexed: 09/26/2024]
Abstract
Commonly used medicines, when discarded or improperly disposed of, are known to contaminate freshwater ecosystems. Pharmaceuticals can be toxic and mutagenic, and can modify freshwater organisms, even at environmentally relevant concentrations. Chloramphenicol (CAP) is an antibiotic banned in Europe. However, it is still found in surface waters around the world. The aim of this study was to evaluate the impact of chloramphenicol contamination in freshwater on the model organism Daphnia magna. Specific life history parameters, proteome, and host-associated microbiome of four D. magna clones were analyzed during a three-generation exposure to CAP at environmental concentrations (32 ng L-1). In the first generation, no statistically significant CAP effect at the individual level was detected. After three generations, exposed animals were smaller at first reproduction and on average produced fewer offspring. The differences in D. magna's life history after CAP treatment were in accordance with proteome changes. D. magna's response to CAP presence indicates the high stress that the tested organisms are under, e.g., male production, upregulation of ubiquitin-conjugating enzyme E2 and calcium-binding protein, and downregulation of glutathione transferase. The CAP-exposed D. magna proteome profile confirms that CAP, being reactive oxygen species (ROS)-inducing compounds, contributes to structural changes in mitochondria. Microbiome analysis showed a significant difference in the Shannon index between control and CAP-exposed animals, the latter having a more diverse microbiome. Multilevel analyses, together with long exposure in the laboratory imitating conditions in a polluted environment, allow us to obtain a more complete picture of the impact of CAP on D. magna.
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Affiliation(s)
- Malgorzata Grzesiuk
- Department of Biochemistry and Microbiology, Institute of Biology; Warsaw, University of Life Sciences (SGGW), Warsaw, Poland.
| | - Marta Grabska
- Department of Biochemistry and Microbiology, Institute of Biology; Warsaw, University of Life Sciences (SGGW), Warsaw, Poland
| | - Agata Malinowska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, 02-106, Warsaw, Poland
| | - Bianka Świderska
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, 02-106, Warsaw, Poland
| | - Elzbieta Grzesiuk
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, 02-106, Warsaw, Poland
| | - Damian Garbicz
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences, Pawińskiego 5a, 02-106, Warsaw, Poland
- Maria Sklodowska-Curie National Research Institute of Oncology, Roentgena 5, Warsaw, Poland
| | - Adrian Gorecki
- Department of Biochemistry and Microbiology, Institute of Biology; Warsaw, University of Life Sciences (SGGW), Warsaw, Poland
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Cho H, Sung SE, Jang G, Esterhuizen M, Ryu CS, Kim Y, Kim YJ. Adverse effects of the 5-alpha-reductase inhibitor finasteride on Daphnia magna: Endocrine system and lipid metabolism disruption. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 281:116606. [PMID: 38896907 DOI: 10.1016/j.ecoenv.2024.116606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Revised: 06/05/2024] [Accepted: 06/14/2024] [Indexed: 06/21/2024]
Abstract
Finasteride, a steroid 5-alpha reductase inhibitor, is commonly used for the treatment of benign prostatic hyperplasia and hair loss. However, despite continued use, its environmental implications have not been thoroughly investigated. Thus, we investigated the acute and chronic adverse impacts of finasteride on Daphnia magna, a crucial planktonic crustacean in freshwater ecosystems selected as bioindicator organism for understanding the ecotoxicological effects. Chronic exposure (for 23 days) to finasteride negatively affected development and reproduction, leading to reduced fecundity, delayed first brood, reduced growth, and reduced neonate size. Additionally, acute exposure (< 24 h) caused decreased expression levels of genes crucial for reproduction and development, especially EcR-A/B (ecdysone receptors), Jhe (juvenile hormone esterase), and Vtg2 (vitellogenin), with oxidative stress-related genes. Untargeted lipidomics/metabolomic analyses revealed lipidomic alteration, including 19 upregulated and 4 downregulated enriched lipid ontology categories, and confirmed downregulation of metabolites. Pathway analysis implicated significant effects on metabolic pathways, including the pentose phosphate pathway, histidine metabolism, beta-alanine metabolism, as well as alanine, aspartate, and glutamate metabolism. This comprehensive study unravels the intricate molecular and metabolic responses of D. magna to finasteride exposure, underscoring the multifaceted impacts of this anti-androgenic compound on a keystone species of freshwater ecosystems. The findings emphasize the importance of understanding the environmental repercussions of widely used pharmaceuticals to protect biodiversity in aquatic ecosystems.
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Affiliation(s)
- Hyunki Cho
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, Saarbrücken 66123, Germany; Department of Pharmacy, Saarland University, Saarbrücken, Germany
| | - Si-Eun Sung
- Biologische Experimentalphysik, Saarland University, Saarbrücken, Germany
| | - Giup Jang
- MetaDx Laboratory, Seoul, South Korea
| | - Maranda Esterhuizen
- University of Helsinki, Ecosystems and Environment Research Programme, Faculty of Biological and Environmental Sciences, Lahti, Finland
| | - Chang Seon Ryu
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, Saarbrücken 66123, Germany.
| | - Youngsam Kim
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, Saarbrücken 66123, Germany; Division of Energy & Environment Technology, University of Science & Technology, Daejeon 34113, South Korea.
| | - Young Jun Kim
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, Saarbrücken 66123, Germany; Division of Energy & Environment Technology, University of Science & Technology, Daejeon 34113, South Korea
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5
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Guo Z, Li H, Yu W, Ren Y, Zhu Z. Insights into the effect of benzotriazoles in liver using integrated metabolomic and transcriptomic analysis. ENVIRONMENT INTERNATIONAL 2024; 187:108716. [PMID: 38723456 DOI: 10.1016/j.envint.2024.108716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 04/03/2024] [Accepted: 05/02/2024] [Indexed: 05/19/2024]
Abstract
Benzotriazoles (BTRs) are a class of benzoheterocyclic chemicals that are frequently used as metal-corrosive inhibitors, both in industry and daily use. However, the exposure effect information on BTRs remains relatively limited. In this study, an integrated metabolomic and transcriptomic approach was utilized to evaluate the effect of three BTRs, benzotriazole, 6-chloro-1-hydroxi-benzotriazole, and 1-hydroxy-benzotriazole, in the mouse liver with results showing disrupted basal metabolic processes and vitamin and cofactor metabolism after 28 days. The expression of several genes that are related to the inflammatory response and aryl hydrocarbon receptor pathways, such as Gstt2 and Arntl, was altered by the exposure to BTRs. Exposure to BTRs also affected metabolites and genes that are involved in the immune system and xenobiotic responses. The altered expression of several cytochrome P450 family genes reveal a potential detoxification mechanism in the mouse liver. Taken together, our findings provide new insights into the multilayer response of the mouse liver to BTRs exposure as well as a resource for further exploration of the molecular mechanisms by which the response occurs.
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Affiliation(s)
- Zeqin Guo
- Medical College, Jiujiang University, Jiujiang, Jiangxi, 332000, China; Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, Jiangxi, 332000, China.
| | - Huimin Li
- Medical College, Jiujiang University, Jiujiang, Jiangxi, 332000, China; Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, Jiangxi, 332000, China
| | - Wenmin Yu
- Medical College, Jiujiang University, Jiujiang, Jiangxi, 332000, China; Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, Jiangxi, 332000, China
| | - Yaguang Ren
- Medical College, Jiujiang University, Jiujiang, Jiangxi, 332000, China; Jiangxi Provincial Key Laboratory of Systems Biomedicine, Jiujiang University, Jiujiang, Jiangxi, 332000, China
| | - Zhiguo Zhu
- Medical College, Jiujiang University, Jiujiang, Jiangxi, 332000, China; College of Pharmacy and Life Sciences, Jiujiang University, Jiujiang, Jiangxi, 332000, China.
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Iancu VI, Chiriac LF, Paun I, Pirvu F, Dinu C, Kim L, Pascu LF, Niculescu M. Occurrence and distribution of azole antifungal agents in eight urban Romanian waste water treatment plants. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 920:170898. [PMID: 38369155 DOI: 10.1016/j.scitotenv.2024.170898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 01/25/2024] [Accepted: 02/09/2024] [Indexed: 02/20/2024]
Abstract
Azole compounds are utilized to combat fungal infections in plants to protect them and also used for treating mycosis in humans. The LC-MS/MS method is a technique that combines liquid chromatography with tandem mass spectrometry for analysis of twelve azole compounds from wastewater (influent, effluent) and sewage sludge. The compounds were isolated from waste water using automatic extraction in the solid phase. Sludge samples were dried by lyophilization, after which they were subjected to ultrasound extraction with methanol. The quantification limits ranged from 0.3 ng/L (clotrimazole-CLO and prochloraz-PRO) to 1.5 ng/L (tetraconazole-TEB and penconazole-PEN), for wastewater samples and for sewage sludge, the LOQs ranged from 0.1 ng/g to 0.6 ng/g. High concentrations of climbazole-CLI (207-391 ng/L), tebuconazole (92-424 ng/L), and clotrimazole (6.9-93-ng/L) were observed in influent samples of the 8 urban wastewater treatment plants, followed by fluconazole (49.3-76.8 ng/L), and prochloraz (7.3-72 ng/L). The ∑Azoles had a maximum of 676 ng/L in the Galati effluent, followed by the Bucharest station 357 ng/L, and 345 ng/L in the Braila effluent. The highest value of the daily mass loading (input) level was observed for climbazole, 265 mg/day/1000 in Iasi station, followed by tebuconazole, 238 mg/day/1000 people in the Bucharest station, and 203 mg/day/1000 people for climbazole in the Targoviste station. The daily mass emission presented values between 0.7 and 247 mg/day/1000 people. The highest emissions were observed for climbazole, 247 mg/day/1000 people in Braila station; 174 mg/day/1000 people in the Iasi station and 129 mg/day/1000 people in the Bucharest station. The concentrations of climbazole detected in the effluent can present a high risk for the plants Lemna minor and Navicula pelliculosa. Clotrimazole may present a high risk to the plant Desmodesmus subspicatus and to the invertebrate Daphnia magna. PRO may present high risk to the invertebrate Mysidopsis Bahia.
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Affiliation(s)
- Vasile-Ion Iancu
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania.
| | - Laura-Florentina Chiriac
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
| | - Iuliana Paun
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
| | - Florinela Pirvu
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
| | - Cristina Dinu
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
| | - Lidia Kim
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
| | - Luoana Florentina Pascu
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
| | - Marcela Niculescu
- National Research and Development Institute for Industrial Ecology-ECOIND, Drumul Podu Dambovitei Street, 71 -73, Sector 6, Bucharest, Romania
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Zhao ML, Ji X, Zhang J, Yang GP. Spatiotemporal variation, partitioning, and ecological risk assessment of benzothiazoles, benzotriazoles, and benzotriazole UV absorbers in the Yangtze River Estuary and its adjacent area. JOURNAL OF HAZARDOUS MATERIALS 2024; 465:133337. [PMID: 38142656 DOI: 10.1016/j.jhazmat.2023.133337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 12/08/2023] [Accepted: 12/19/2023] [Indexed: 12/26/2023]
Abstract
The distributions and toxicities of the pollutants benzothiazoles (BTHs), benzotriazoles (BTRs), and benzotriazole ultraviolet stabilizers (BUVs) have attracted much attention, but most research has focused on freshwater environments and few have examined their levels in marine environments. This study, for the first time, investigated the spatial and temporal variability and ecological risks of BTHs, BTRs and BUVs in the Yangtze River estuary and its adjacent area, and further elucidated how environmental factors influence the transport of these contaminants. The concentrations of BTHs, BTRs, and BUVs in seawater showed significant seasonal variability, with the highest concentrations in summer, followed by autumn, and then winter-spring. The spatiotemporal variability in BTHs, BTRs and BUVs in the seawater and sediments samples showed decreasing trends from nearshore to offshore, reflecting the influence of river discharge. Marine debris and continuous discharge from cities were responsible for the high detection frequency of these contaminants in the YRE and its adjacent area. Furthermore, the moderate risk from the presence of BTHs, BTRs, and BUVs as they accumulate in sediments should not be ignored. Our study provides new insights into the fate and ecological risk of BTHs, BTRs, and BUVs in the estuary.
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Affiliation(s)
- Ming-Liang Zhao
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
| | - Xuan Ji
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China
| | - Jing Zhang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China; Laboratory for Marine Ecology and Environmental Science, Laoshan Laboratory, Qingdao 266237, China; Institute of Marine Chemistry, Ocean University of China, Qingdao 266100, China
| | - Gui-Peng Yang
- Frontiers Science Center for Deep Ocean Multispheres and Earth System, and Key Laboratory of Marine Chemistry Theory and Technology, Ministry of Education, Ocean University of China, Qingdao 266100, China; Laboratory for Marine Ecology and Environmental Science, Laoshan Laboratory, Qingdao 266237, China; Institute of Marine Chemistry, Ocean University of China, Qingdao 266100, China.
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8
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Sampaio CF, Gravato C, de Oliveira DP, Dorta DJ. Deleterious effects of benzotriazoles on zebrafish development and neurotransmission: 5-Chloro-benzotriazole versus 1H-benzotriazole. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 912:168741. [PMID: 38040350 DOI: 10.1016/j.scitotenv.2023.168741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 11/03/2023] [Accepted: 11/19/2023] [Indexed: 12/03/2023]
Abstract
Benzotriazoles are heterocyclic compounds typically presenting a benzene ring fused with a triazole molecule. The industry uses these compounds as anti-corrosion agents and recently, they have been employed in the pharmaceutical industry and in detergent formulations. Benzotriazoles persist in the environment, and water treatment plants cannot degrade them completely. Consequently, these compounds have been detected in rivers, lakes, and drinking water, which makes assessing their safety for the human and aquatic animal populations crucial. Here, we have evaluated and compared how exposure to 1H-benzotriazole or 5-chloro-benzotriazole affect the zebrafish embryo-larval stages. We have determined the acute toxicity, morphometric alterations, and acetylcholinesterase activity on zebrafish embryos, as well as behavioral endpoints using the tail coiling assay. The estimated LC50 of 5-chloro-benzotriazole was 19 mg/L, whereas 1H-benzotriazole caused no mortality. The zebrafish embryos exposed to 20 and 25 mg/L 5-chloro-benzotriazole had decreased hatching rate and exhibited pericardial and yolk sac edemas. Furthermore, the embryo length and eye area were decreased, in contrast with an increased yolk sac after exposure to 20 mg/L 5-chloro-benzotriazole. In turn, 1H-benzotriazole also decreased the eye area of zebrafish embryos, but no other significant morphological alterations were observed. The tail coiling assay showed that the zebrafish embryos increased the percentage of time moving and the number of embryonic movements per minute after exposure to 1H-benzotriazole (15 mg/L) or 5-chloro-benzotriazole (20 and 25 mg/L), indicating that these compounds were potentially neurotoxic. However, acetylcholinesterase activity was not significantly altered in embryos exposed to 1H-benzotriazole, but significantly decreased when exposed to 0.05 mg/L 5-chloro benzotriazole confirming its neurotoxicity at a much lower concentration. Our findings showed that 5-chloro-benzotriazole seems to induce more harmful alterations to zebrafish embryos than 1H-benzotriazole. Nevertheless, 1H-benzotriazole seems to induce a direct effect on eye development for concentrations lower than the ones of 5-chloro-benzotriazole affecting zebrafish embryos.
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Affiliation(s)
- Carolina Ferreira Sampaio
- School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Av. Bandeirantes, 3900, Bairro Monte Alegre Ribeirao Preto, SP CEP 14040901, Brazil
| | - Carlos Gravato
- Department of Animal Biology, Faculty of Sciences, University of Lisbon, Campo Grande, 1749-016 Lisboa, Portugal
| | - Danielle Palma de Oliveira
- School of Pharmaceutical Sciences of Ribeirao Preto, University of Sao Paulo, Av. Bandeirantes, 3900, Bairro Monte Alegre Ribeirao Preto, SP CEP 14040901, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, Araraquara, SP, Brazil
| | - Daniel Junqueira Dorta
- National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Institute of Chemistry, Araraquara, SP, Brazil; Department of Chemistry, Faculty of Philosophy, Science and Letters at Ribeirão Preto, University of São Paulo, 14040-901 Ribeirão Preto, SP, Brazil.
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9
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Bonato T, Picone M, Beggio G, Vecchiato M, Feltracco M, Pivato A, Piazza R. Fragrance materials affect life history parameters and gene expression in Daphnia magna: An emerging issue for freshwater ecosystems. CHEMOSPHERE 2023; 331:138786. [PMID: 37121283 DOI: 10.1016/j.chemosphere.2023.138786] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/04/2023]
Abstract
A chronic toxicity test (21 d exposure) with the model organism Daphnia magna was performed to study the single-compound and combined effects of four fragrance materials (FMs), including musk xylene (MX), Celestolide™ (ADBI), Galaxolide™ (HHCB), and ethylene brassylate (MT). Furthermore, the transcriptional responses of ten target genes related to detoxification, molting and reproduction (DHR96, P-gp, CYP360A8, GST, CYP314, EcRb, Vtg, CAT, GPX, and GCLC) were determined by performing a quantitative real-time polymerase chain reaction (qRT‒PCR) after juvenile D. magna was exposed for 48 h. The results showed that MX, ADBI and HHCB affected development and reproduction after chronic exposure at a concentration of 10 μg L-1. Conversely, MT did not affect reproduction, growth or molting during the 21 d exposure. In juvenile D. magna, gene expression was significantly altered by ADBI (DHR96, CYP260A8, and GCLC) and MX (DHR96, CYP360A8, EcRb, Vtg, CYP314, and GCLC) but not by HHCB. These results suggest that compared to biochemical measures, conventional biological endpoints provide more informative data regarding the effects of this FM. Compared to single substances in the chronic test, the mixture of the four FMs showed effects at lower concentrations and increased gene expression for EcRb and CYP314 during juvenile exposure, indicating a possible additive or synergistic effect of the four FMs compared to single compound exposure.
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Affiliation(s)
- Tiziano Bonato
- Department of Environmental Sciences, Informatics and Statistics (DAIS), Ca' Foscari University of Venice, Via Torino 155, Venezia Mestre, 30172, Venice, Italy; Società Estense Servizi Ambientali (S.E.S.A. S.p.A.), 35042, Este, Italy.
| | - Marco Picone
- Department of Environmental Sciences, Informatics and Statistics (DAIS), Ca' Foscari University of Venice, Via Torino 155, Venezia Mestre, 30172, Venice, Italy
| | - Giovanni Beggio
- Department of Civil, Environmental and Architectural Engineering, University of Padova, Via Marzolo 9, 35131, Padova, Italy
| | - Marco Vecchiato
- Department of Environmental Sciences, Informatics and Statistics (DAIS), Ca' Foscari University of Venice, Via Torino 155, Venezia Mestre, 30172, Venice, Italy; Institute of Polar Sciences of the National Research Council of Italy (ISP-CNR), Via Torino 155, 30172, Venice, Italy
| | - Matteo Feltracco
- Department of Environmental Sciences, Informatics and Statistics (DAIS), Ca' Foscari University of Venice, Via Torino 155, Venezia Mestre, 30172, Venice, Italy
| | - Alberto Pivato
- Department of Civil, Environmental and Architectural Engineering, University of Padova, Via Marzolo 9, 35131, Padova, Italy
| | - Rossano Piazza
- Department of Environmental Sciences, Informatics and Statistics (DAIS), Ca' Foscari University of Venice, Via Torino 155, Venezia Mestre, 30172, Venice, Italy
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Liao H, Gao D, Junaid M, Liu S, Kong C, Chen X, Pan T, Zheng Q, Ai W, Chen G, Wang J. Parental exposure to polystyrene nanoplastics and di(2-ethylhexyl) phthalate induces transgenerational growth and reproductive impairments through bioaccumulation in Daphnia magna. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 882:163657. [PMID: 37084918 DOI: 10.1016/j.scitotenv.2023.163657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 05/03/2023]
Abstract
The ubiquitous presence of polystyrene nanoplastics (PSNPs) and di(2-ethylhexyl) phthalate (DEHP) in the aquatic environment may cause unpredictable negative effects on aquatic organisms and even continue to the offspring. This study assessed the transgenerational impacts of parental exposure to PSNPs and DEHP over four generations (F0-F3) of Daphnia magna. A total of 480 D. magna larvae (F0, 24 h old) were divided into four groups with six replicates (each of them contains 20 D. magna) and exposed with dechlorinated tap water (control), 1 mg/L PSNPs, 1 μg/L DEHP, and 1 mg/L PSNPs + 1 μg/L DEHP (PSNPs-DEHP) until spawning begins. Subsequent to exposure, all the surviving F1 offspring were transferred to new water and continued to be cultured until the end of F3 generation births in all groups. The results showed that the PSNPs accumulated in F0 generation and were inherited into F1 and F2 generations, and disappeared in F3 generation in PSNPs and PSNPs-DEHP groups. However, the accumulation of DEHP lasted from F0 generation to F3 generation, despite a significant decline in F2 and F3 generations in DEHP and PSNPs-DEHP groups. The accumulation of PSNPs and DEHP caused overproduction of reactive oxygen species in F0-F2 generations and fat deposition in F0-F3 generations. Additionally, single and in combination parental exposure to PSNPs and DEHP induced regulation of growth-related genes (cyp18a1, cut, sod and cht3) and reproduction-related genes (hr3, ftz-f1, vtg and ecr) in F0-F3 generations. Survival rates were decreased in F0-F1 generations and recovered in F2 generation in all treatment groups. Furthermore, the spawning time was prolonged and the average number of offspring was increased in F1-F2 generaions as a defense mechanism against population mortality. This study fosters a greater comprehension of the transgenerational and reproductive effects and associated molecular mechanisms in D. magna.
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Affiliation(s)
- Hongping Liao
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Dandan Gao
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Muhammad Junaid
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Shulin Liu
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Chunmiao Kong
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Xikun Chen
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Ting Pan
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Qingzhi Zheng
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Wenjie Ai
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China
| | - Guanglong Chen
- Institute of Eco-Environmental Research, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Biophysical and Environmental Science Research Center, Guangxi Academy of Sciences, Nanning 530007, China
| | - Jun Wang
- College of Marine Sciences, South China Agricultural University, Guangzhou 510642, China; Institute of Eco-Environmental Research, Guangxi Key Laboratory of Marine Natural Products and Combinatorial Biosynthesis Chemistry, Biophysical and Environmental Science Research Center, Guangxi Academy of Sciences, Nanning 530007, China; Southern Marine Science and Engineering Guangdong Laboratory, Zhuhai 528478, China.
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11
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Im H, Kang J, Jacob MF, Bae H, Oh JE. Transgenerational effects of benzotriazole on the gene expression, growth, and reproduction of Daphnia magna. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 323:121211. [PMID: 36740167 DOI: 10.1016/j.envpol.2023.121211] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 12/27/2022] [Accepted: 02/02/2023] [Indexed: 06/18/2023]
Abstract
Due to its widespread and intensive use as a corrosion inhibitor, benzotriazole is ubiquitously detected from a few parts per billion to several hundred parts per million in aquatic environments. The long-term toxicity of benzotriazole is unclear despite its low acute toxicity. Therefore, we investigated the transgenerational effects of benzotriazole at the genomic and individual levels using the freshwater zooplankton Daphnia magna. Maternal exposure to sublethal concentrations (15 and 30 mg/L) of benzotriazole exerted transgenerational effects on D. magna at the genomic and individual levels even in descendants that have never been exposed to benzotriazole. Significant alterations in the expression of Cyp, GST, Vtg1, and Hb and in neonate size were observed in the unexposed F3 generation, confirming the transgenerational effect of benzotriazole. Interestingly, detoxification related genes Cyp and GST were unaffected or downregulated in the exposed generation but upregulated in the following unexposed generations. Furthermore, continuous multigenerational exposure to an environmental concentration (4.3 μg/L) of benzotriazole also upregulated detoxification genes in decent generations but exerted no individual-level effects in subsequent generations.
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Affiliation(s)
- Hyungjoon Im
- Institute for Environment and Energy, Pusan National University, Busan, 46241, Republic of Korea
| | - Jiyeon Kang
- Department of Civil and Environmental Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Macha Fulgence Jacob
- Department of Civil and Environmental Engineering, Pusan National University, Busan, 46241, Republic of Korea
| | - Hyokwan Bae
- Department of Urban and Environmental Engineering, Ulsan National Institute of Science and Technology, Republic of Korea; Graduate School of Carbon Neutrality, Ulsan National Institute of Science and Technology, Republic of Korea
| | - Jeong-Eun Oh
- Institute for Environment and Energy, Pusan National University, Busan, 46241, Republic of Korea; Department of Civil and Environmental Engineering, Pusan National University, Busan, 46241, Republic of Korea.
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Reilly K, Ellis LJA, Davoudi HH, Supian S, Maia MT, Silva GH, Guo Z, Martinez DST, Lynch I. Daphnia as a model organism to probe biological responses to nanomaterials-from individual to population effects via adverse outcome pathways. FRONTIERS IN TOXICOLOGY 2023; 5:1178482. [PMID: 37124970 PMCID: PMC10140508 DOI: 10.3389/ftox.2023.1178482] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 04/06/2023] [Indexed: 05/02/2023] Open
Abstract
The importance of the cladoceran Daphnia as a model organism for ecotoxicity testing has been well-established since the 1980s. Daphnia have been increasingly used in standardised testing of chemicals as they are well characterised and show sensitivity to pollutants, making them an essential indicator species for environmental stress. The mapping of the genomes of D. pulex in 2012 and D. magna in 2017 further consolidated their utility for ecotoxicity testing, including demonstrating the responsiveness of the Daphnia genome to environmental stressors. The short lifecycle and parthenogenetic reproduction make Daphnia useful for assessment of developmental toxicity and adaption to stress. The emergence of nanomaterials (NMs) and their safety assessment has introduced some challenges to the use of standard toxicity tests which were developed for soluble chemicals. NMs have enormous reactive surface areas resulting in dynamic interactions with dissolved organic carbon, proteins and other biomolecules in their surroundings leading to a myriad of physical, chemical, biological, and macromolecular transformations of the NMs and thus changes in their bioavailability to, and impacts on, daphnids. However, NM safety assessments are also driving innovations in our approaches to toxicity testing, for both chemicals and other emerging contaminants such as microplastics (MPs). These advances include establishing more realistic environmental exposures via medium composition tuning including pre-conditioning by the organisms to provide relevant biomolecules as background, development of microfluidics approaches to mimic environmental flow conditions typical in streams, utilisation of field daphnids cultured in the lab to assess adaption and impacts of pre-exposure to pollution gradients, and of course development of mechanistic insights to connect the first encounter with NMs or MPs to an adverse outcome, via the key events in an adverse outcome pathway. Insights into these developments are presented below to inspire further advances and utilisation of these important organisms as part of an overall environmental risk assessment of NMs and MPs impacts, including in mixture exposure scenarios.
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Affiliation(s)
- Katie Reilly
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Laura-Jayne A. Ellis
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Hossein Hayat Davoudi
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Suffeiya Supian
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Marcella T. Maia
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
| | - Gabriela H. Silva
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
| | - Zhiling Guo
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
| | - Diego Stéfani T. Martinez
- Brazilian Nanotechnology National Laboratory (LNNano), Brazilian Center for Research in Energy and Materials (CNPEM), Campinas, Brazil
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Birmingham, United Kingdom
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13
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Cho H, Jeong CB, Lee YM. Modulation of ecdysteroid and juvenile hormone signaling pathways by bisphenol analogues and polystyrene beads in the brackish water flea Diaphanosoma celebensis. Comp Biochem Physiol C Toxicol Pharmacol 2022; 262:109462. [PMID: 36087704 DOI: 10.1016/j.cbpc.2022.109462] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/29/2022] [Accepted: 09/05/2022] [Indexed: 11/19/2022]
Abstract
Owing to its high production and world-wide usage, plastic pollution is an increasing concern in marine environments. Plastic is decomposed into nano- and micro-sized debris, which negative affect reproduction and development in aquatic organisms. Bisphenol A (BPA), an additive of plastic, is released into the water column upon plastic degradation, and is known as a representative endocrine-disrupting chemical. However, the reproductive effects of plastics and bisphenols at the molecular level have not yet been explored in small marine crustaceans. In this study, we investigated the effects of polystyrene (PS) beads (0.05, 0.5, and 6 - μm) and bisphenol analogues (BPs; BPA, BPS, and BPF) on reproduction and development of small marine crustaceans. Effects on transcriptional changes in ecdysteroid and juvenile hormone (JH) signaling pathway-related genes were examined in the brackish water flea Diaphanosoma celebensis exposed to PS beads and BPs for 48 h. As results, BPs and PS beads delayed emergence time of first offspring, and increased fecundity in a concentration-dependent manner. BPs differentially modulated the expression of ecdysteroid and JH signaling pathway-related genes, indicating that BP analogs can disrupt endocrine systems via mechanisms different from those of BPA. PS beads was also changed the gene expression of both pathway, depending on their size and concentration. Our findings suggest that BP analogues and PS beads disrupt the endocrine system by modulating the hormonal pathways, affecting reproduction negatively. This study provides a better understanding of the molecular mode of action of BPs and PS beads in the reproduction of small crustaceans.
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Affiliation(s)
- Hayoung Cho
- Department of Biotechnology, College of Convergence Engineering, Sangmyung University, Seoul 03016, Republic of Korea
| | - Chang-Bum Jeong
- Department of Marine Science, College of Natural Sciences, Incheon National University, Incheon 22012, Republic of Korea
| | - Young-Mi Lee
- Department of Biotechnology, College of Convergence Engineering, Sangmyung University, Seoul 03016, Republic of Korea.
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14
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Developmental and Reproductive Impacts of Four Bisphenols in Daphnia magna. Int J Mol Sci 2022; 23:ijms232314561. [PMID: 36498889 PMCID: PMC9738221 DOI: 10.3390/ijms232314561] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/12/2022] [Accepted: 11/16/2022] [Indexed: 11/24/2022] Open
Abstract
Bisphenol A (BPA) is a typical endocrine-disrupting chemical (EDC) used worldwide. Considering its adverse effects, BPA has been banned or strictly restricted in some nations, and many analogs have been introduced to the market. In this study, we selected three representative substitutes, BPS, BPF, and BPAF, along with BPA, to assess the developmental and reproductive effects on Daphnia magna. The F0 generation was exposed to bisphenols (BPs) at an environmentally relevant concentration (100 μg/L) for 21 d; then the embryo spawn at day 21 was collected. Behavior traits, the activity of antioxidant enzymes, and gene transcription were evaluated at three developmental stages (days 7, 14, and 21). Notably, body length, heart rate, and thoracic limb beating were significantly decreased, and D. magna behaved more sluggishly in the exposed group. Moreover, exposure to BPs significantly increased the antioxidant enzymatic activities, which indicated that BPs activated the antioxidant defense system. Additionally, gene expression indicated intergenerational effects in larvae, particularly in the BPAF group. In conclusion, BPA analogs such as BPF and BPAF showed similar or stronger reproductive and developmental toxicity than BPA in D. magna. These findings collectively deepen our understanding of the toxicity of BPA analogs and provide empirical evidence for screening safe alternatives to BPA.
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15
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Polińska W, Piotrowska-Niczyporuk A, Karpińska J, Struk-Sokołowska J, Kotowska U. Mechanisms, toxicity and optimal conditions - research on the removal of benzotriazoles from water using Wolffia arrhiza. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 847:157571. [PMID: 35882328 DOI: 10.1016/j.scitotenv.2022.157571] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 07/04/2022] [Accepted: 07/18/2022] [Indexed: 06/15/2023]
Abstract
In the presented work, phytoremediation with the use of floating plant Wolffia arrhiza (L.) Horkel ex Wimm. was proposed as a method of removing the selected benzotriazoles (BTRs): 1H-benzotriazole (1H-BTR), 4-methyl-1H-benzotriazole (4M-BTR), 5-methyl-1H-benzotriazole (5M-BTR) and 5-chlorobenzotriazole (5Cl-BTR) from water. The efficiency of phytoremediation depends on three factors: daily time of exposure to light, pH of the model solution, and the amount of plans. Using a design of experiment (DoE) methods the following optimal values were selected: plant amount 1.8 g, light exposure 13 h and pH 7 per 100 mL of the model solution. It was found that the loss of BTRs in optimal conditions ranged from 92 to 100 % except for 4M-BTR, for which only 23 % of removal was achieved after 14 days of cultivation of W. arrhiza. The half-life values for studied compounds ranged from 0.98 days for 5Cl-BTR to 36.19 for 4M-BTR. The observed rapid vanishing of 5M-BTR is supposed by the simultaneous transformation of 5M-BTR into 4M-BTR. The detailed study of BTRs degradation pointed that the plant uptake is mainly responsible for the benzotriazoles concentration decrease. Toxicity tests showed that the tested organic compounds induce oxidative stress in W. arrhiza, which manifested among others, in reduced levels of chlorophyll in cultures with benzotriazoles compared to control.
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Affiliation(s)
- Weronika Polińska
- Doctoral School of Exact and Natural Sciences, University of Bialystok, Ciolkowskiego 1K Str., 15-245 Bialystok, Poland.
| | - Alicja Piotrowska-Niczyporuk
- Department of Plant Biology and Ecology, Faculty of Biology, University of Bialystok, Ciolkowskiego 1J Street, 15-245 Bialystok, Poland.
| | - Joanna Karpińska
- Department of Analytical and Inorganic Chemistry, Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K Str., 15-245 Bialystok, Poland.
| | - Joanna Struk-Sokołowska
- Department of Environmental Engineering Technology, Bialystok University of Technology, Wiejska 45E, 15-351 Bialystok, Poland.
| | - Urszula Kotowska
- Department of Analytical and Inorganic Chemistry, Faculty of Chemistry, University of Bialystok, Ciolkowskiego 1K Str., 15-245 Bialystok, Poland.
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16
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Xu W, Zhang L, Tian Y, Zhu X, Han X, Miao L, Yan W. Occurrence and distribution of organic corrosion inhibitors (OCIs) in riverine sediments from the Pearl River Delta, South China. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:76961-76969. [PMID: 35670946 DOI: 10.1007/s11356-022-21192-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 05/26/2022] [Indexed: 06/15/2023]
Abstract
Although soluble organic corrosion inhibitors (OCIs) have been observed globally in surface water, data on their exposures in sediments are still scarce. In this study, a comprehensive investigation on spatial variations and potential sources of OCIs were conducted in riverine sediments from the Pearl River Delta (PRD), one of the most developed and urbanized areas in China. Of 12 OCIs, 7 were detected with the total concentrations ranging from 81.8 to 401.2 ng/g. When the results were compared with those of the water phase, OCIs in the riverine sediments exhibited relatively low concentrations, which was likely due to their low Kow, and they were not expected to be adsorbed onto sediments. The spatial variation of OCIs suggested that the discharge of sewage treatment plants (STPs) effluent could be a major source of OCIs in the PRD region. The total concentrations of OCIs had a significant positive correlation with total organic carbon (TOC) contents, suggesting that they have similar sources. This study strongly indicated that the high consumption of OCIs have led to their wide exposure in different environments in the PRD region and additional ecotoxicological data are needed to evaluate their potential risks in riverine sediments in the future.
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Affiliation(s)
- Weihai Xu
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China.
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China.
- Sanya Institute of Oceanology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Sanya, 572000, China.
| | - Lulu Zhang
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Yuhang Tian
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Xiaowei Zhu
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Xue Han
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Li Miao
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
| | - Wen Yan
- Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou), Guangzhou, 511458, China
- Key Laboratory of Ocean and Marginal Sea Geology, South China Sea Institute of Oceanology, Chinese Academy of Sciences, Guangzhou, 510301, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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17
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Struk-Sokołowska J, Gwoździej-Mazur J, Jurczyk Ł, Jadwiszczak P, Kotowska U, Piekutin J, Canales FA, Kaźmierczak B. Environmental risk assessment of low molecule benzotriazoles in urban road rainwaters in Poland. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 839:156246. [PMID: 35644405 DOI: 10.1016/j.scitotenv.2022.156246] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 05/22/2022] [Accepted: 05/22/2022] [Indexed: 06/15/2023]
Abstract
This study aimed to identify and quantify benzotriazoles (BTRs) emissions from road traffic and paved areas in an urban environment. Heterocyclic organic compounds BTRs are an emerging threat, under-recognized and under-analyzed in most environmental and water legislation. They are hazardous, potentially mutagenic, and carcinogenic micropollutants, not susceptible to effective biodegradation, and they move easily through the trophic chain, contaminating the environment and water resources. Traffic activities are a common source of BTR emissions in the urban environment, directly polluting human habitats through the different routes and numerous vehicles circulating in the cities. Using twelve heterogeneous locations scattered over a metropolitan area in Poland as a case study, this research analyzed the presence of BTRs in water samples from runoff produced from rainwater and snowmelt. 1H-BTR, 4Me-BTR, 5Me-BTR and 5Cl-BTR were detected in the tested runoff water. 5Cl-BTR was present in all samples and in the highest concentrations reaching 47,000 ng/L. Risk quotients calculated on the basis of the determined concentrations indicate that the highest environmental risk is associated with the presence of 5Cl-BTR and the sum of 4Me-BTR and 5Me-BTR, and the most sensitive organisms are bacteria and invertebrates. The results indicate that it is possible to associate the occurrence of these contaminants with the type of cover, traffic intensity, and vehicle type.
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Affiliation(s)
- Joanna Struk-Sokołowska
- Department of Environmental Engineering Technology, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, 15-351 Bialystok, Poland.
| | - Joanna Gwoździej-Mazur
- Department of Water Supply and Sewerage Systems, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, 15-351 Bialystok, Poland
| | - Łukasz Jurczyk
- Institute of Agricultural Sciences, Land Management and Environmental Protection, College of Natural Sciences, University of Rzeszow, 35-601 Rzeszów, Poland
| | - Piotr Jadwiszczak
- Department of Air Conditioning, Heating, Gas Engineering and Air Protection, Faculty of Environmental Engineering, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
| | - Urszula Kotowska
- Department of Analytical and Inorganic Chemistry, Faculty of Chemistry, University of Bialystok, 15-245 Białystok, Poland
| | - Janina Piekutin
- Department of Environmental Engineering Technology, Faculty of Civil Engineering and Environmental Sciences, Bialystok University of Technology, 15-351 Bialystok, Poland
| | - Fausto A Canales
- Department of Civil and Environmental, Universidad de la Costa, Calle 58 #55-66, 080002 Barranquilla, Atlántico, Colombia
| | - Bartosz Kaźmierczak
- Department of Water Supply and Sewerage Systems, Faculty of Environmental Engineering, Wroclaw University of Science and Technology, 50-370 Wrocław, Poland.
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18
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Cho H, Ryu CS, Lee SA, Adeli Z, Meupea BT, Kim Y, Kim YJ. Endocrine-disrupting potential and toxicological effect of para-phenylphenol on Daphnia magna. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 243:113965. [PMID: 35994907 DOI: 10.1016/j.ecoenv.2022.113965] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 08/03/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
Several phenol derivatives are suspected endocrine disruptors and have received attention in risk assessment studies for several decades owing to the structural similarity between estrogens and phenolic compounds. We assessed the endocrine disrupting effect of the phenolic compound para-phenylphenol (PPP) through acute tests and evaluating chronic endpoints in an invertebrate model, Daphnia magna. Exposure of D. magna to PPP induced substantial adverse effects, namely, reduced fecundity, slowed growth rate, delayed first brood, and a reduction in neonate size. Furthermore, we investigated the mRNA expression of relevant genes to elucidate the mechanism of endocrine disruption by PPP. Exposure of D. magna to PPP induced the substantial downregulation of genes and markers related to reproduction and development, such as EcR-A, EcR-B, Jhe, and Vtg. Consequently, we demonstrated that PPP has an endocrine disrupting effect on reproduction and development in D. magna.
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Affiliation(s)
- Hyunki Cho
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany
| | - Chang Seon Ryu
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany
| | - Sang-Ah Lee
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany
| | - Zahra Adeli
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany
| | - Brenda Tenou Meupea
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany
| | - Youngsam Kim
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany; Division of Energy & Environment Technology, University of Science & Technology, Daejeon 34113, South Korea.
| | - Young Jun Kim
- Environmental Safety Group, KIST Europe Forschungsgesellschaft mbH, 66123 Saarbrücken, Germany; Division of Energy & Environment Technology, University of Science & Technology, Daejeon 34113, South Korea
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19
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Jankowski MD, Fairbairn DJ, Baller JA, Westerhoff BM, Schoenfuss HL. Using the Daphnia magna Transcriptome to Distinguish Water Source: Wetland and Stormwater Case Studies. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2107-2123. [PMID: 35622010 PMCID: PMC9545677 DOI: 10.1002/etc.5392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 02/15/2022] [Accepted: 05/25/2022] [Indexed: 06/15/2023]
Abstract
A major challenge in ecotoxicology is accurately and sufficiently measuring chemical exposures and biological effects given the presence of complex and dynamic contaminant mixtures in surface waters. It is impractical to quantify all chemicals in such matrices over space and time, and even if it were practical, concomitant biological effects would not be elucidated. Our study examined the performance of the Daphnia magna transcriptome to detect distinct responses across three water sources in Minnesota: laboratory (well) waters, wetland waters, and storm waters. Pyriproxyfen was included as a gene expression and male neonate production positive control to examine whether gene expression resulting from exposure to this well-studied juvenoid hormone analog can be detected in complex matrices. Laboratory-reared (<24 h) D. magna were exposed to a water source and/or pyriproxyfen for 16 days to monitor phenotypic changes or 96 h to examine gene expression responses using Illumina HiSeq 2500 (10 million reads per library, 50-bp paired end [2 × 50]). The results indicated that a unique gene expression profile was produced for each water source. At 119 ng/L pyriproxyfen (~25% effect concentration) for male neonate production, as expected, the Doublesex1 gene was up-regulated. In descending order, gene expression patterns were most discernable with respect to pyriproxyfen exposure status, season of stormwater sample collection, and wetland quality, as indicated by the index of biological integrity. However, the biological implications of the affected genes were not broadly clear given limited genome resources for invertebrates. Our study provides support for the utility of short-term whole-organism transcriptomic testing in D. magna to discern sample type, but highlights the need for further work on invertebrate genomics. Environ Toxicol Chem 2022;41:2107-2123. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Mark D. Jankowski
- Minnesota Pollution Control AgencySt. PaulMinnesotaUSA
- Veterinary Population Medicine DepartmentUniversity of Minnesota—Twin CitiesSt. PaulMinnesotaUSA
- US Environmental Protection AgencySeattleWashingtonUSA
| | | | - Joshua A. Baller
- Minnesota Supercomputing InstituteUniversity of Minnesota—Twin CitiesMinneapolisMinnesotaUSA
| | | | - Heiko L. Schoenfuss
- Aquatic Toxicology LaboratorySt. Cloud State UniversitySt. CloudMinnesotaUSA
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20
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Ferreira D, Alkimin GDD, Neves B, Conde T, Domingues MR, Nunes B. Evaluation of parental and transgenerational effects of clotrimazole in Daphnia magna - A multi-parametric approach. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 831:154677. [PMID: 35337862 DOI: 10.1016/j.scitotenv.2022.154677] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Azole antifungals inhibit the cytochrome P450 complex, decreasing the production of ergosterol in fungi, and compromising the biosynthesis of ecdysteroids in crustaceans, which are hormones regulating reproduction and ecdysis. The azole antifungal clotrimazole (CLO) raises environmental concerns due its toxicity. This work evaluated the effects on the number of moults, feeding rate, growth, reproduction, transgenerational reproductive effects on two different generations (F0, parental generation; and F1, organisms born from F0), and energetic balance in Daphnia magna. Neonates (<24 h) were exposed to sublethal concentrations (0, 2.7, and 3.4 mg/L) of CLO, to assess its effects on the moulting process. Neonates were also exposed to environmentally realistic concentrations of CLO (0, 30, 150, 750, and 3750 ng/L) for 24 and 96 h, to assess adverse effects on their feeding behaviour. Effects on energy reserves (fatty acids, glycogen, and protein levels) were also measured in animals exposed to CLO. A reproduction test was carried out to evaluate the amount and size of neonates from F0 and F1 generations. CLO exposure decreased the number of moults, and the size of organisms, but did not alter the feeding pattern of 5 days old individuals. However, neonates (<24 h) exposed to CLO had a significant decrease in their feeding pattern. CLO decreased the fatty acids content in exposed animals, but did not change glycogen and protein. CLO also decreased the size of adult daphnids from the third brood, born from animals exposed in F0; in F1 animals, the size of neonates from the third brood was decreased. This study evidenced the toxic effects caused by CLO on growth, feeding and reproduction of D. magna. Nevertheless, it is not possible to conclude whether the effects are due to the inhibition of cytochrome P450 enzymes, or to unspecific effects caused by general toxic stress and decreased nutrition.
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Affiliation(s)
- David Ferreira
- Departamento de Biologia da Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
| | - Gilberto Dias de Alkimin
- Departamento de Biologia da Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Centre for Marine and Environmental Research (CIMA), Universidade do Algarve, Campus de Gambelas, 8000-139, Faro, Portugal.
| | - Bruna Neves
- Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Tiago Conde
- Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal; Department of Medical Sciences and Institute of Biomedicine - iBiMED, University of Aveiro, 3810-193 Aveiro, Portugal
| | - M Rosário Domingues
- Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Mass Spectrometry Centre, LAQV-REQUIMTE, Department of Chemistry, University of Aveiro, Santiago University Campus, 3810-193 Aveiro, Portugal
| | - Bruno Nunes
- Departamento de Biologia da Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal; Centro de Estudos do Ambiente e do Mar, CESAM, Universidade de Aveiro, Campus Universitário de Santiago, 3810-193 Aveiro, Portugal
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21
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Wei X, Li X, Liu H, Lei H, Sun W, Li D, Dong W, Chen H, Xie L. Altered life history traits and transcripts of molting- and reproduction-related genes by cadmium in Daphnia magna. ECOTOXICOLOGY (LONDON, ENGLAND) 2022; 31:735-745. [PMID: 35359216 DOI: 10.1007/s10646-022-02541-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 03/14/2022] [Indexed: 06/14/2023]
Abstract
Cadmium (Cd) is a non-essential element and can be toxic to aquatic organisms at low concentrations. Despite its well-known toxicity to Daphnia magna, the effects of Cd on physiological parameters (heart rate and thoracic limb activity) and molting- and reproduction-related genes are relatively understudied. In this study, D. magna were exposed to 0 (control), 25, 50 and 75 μg L-1 of Cd for 7 d and 21 d to determine the toxicity of Cd. The results showed that the Cd body burden in D. magna was significantly increased with elevated Cd concentrations, up to 13.4 μg Cd/g dry weight (dw) after exposure to 75 μg L-1 for 21 d. After 21 d of exposure, the body length and body weight of D. magna were significantly decreased in all Cd treatments compared to the control. The heart rate and thoracic limb activity were reduced by 4.3-11.7 and 5.0-10.3%, respectively. The levels of malondialdehyde (MDA) were increased by ~24-37% and the activity of catalase (CAT) was inhibited by ~50% compared to the control. The reproductive parameters (i.e., size of the first brood, the total number of offspring per female and the number of offspring per brood) were remarkably reduced, causing adverse effects on the population dynamics. In addition, the transcripts of genes (cyp314, cyp18a1, ecra, usp, hr3, cut, cht and cht3) related to the molting of D. magna were altered, whereas the transcripts of genes (vtg1, vtg2 and vmo1) related to reproduction were down-regulated. This study helps better understand the effects of Cd at different biological levels.
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Affiliation(s)
- Xinrong Wei
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China
| | - Xiao Li
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China
| | - Hongsong Liu
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China
| | - Haojun Lei
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China
| | - Weijun Sun
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China
| | - Dan Li
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China
| | - Wu Dong
- College of Animal Science and Technology, Inner Mongolia University for Nationalities/Inner Mongolia Key Laboratory of Toxicant Monitoring and Toxicology, Tongliao, 028000, China
| | - Hongxing Chen
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China.
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China.
| | - Lingtian Xie
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou, 510006, China.
- School of Environment, South China Normal University, University Town, Guangzhou, 510006, China.
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22
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Liu Y, Zhang J, Zhao H, Cai J, Sultan Y, Fang H, Zhang B, Ma J. Effects of polyvinyl chloride microplastics on reproduction, oxidative stress and reproduction and detoxification-related genes in Daphnia magna. Comp Biochem Physiol C Toxicol Pharmacol 2022; 254:109269. [PMID: 35026397 DOI: 10.1016/j.cbpc.2022.109269] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 01/03/2022] [Accepted: 01/05/2022] [Indexed: 01/22/2023]
Abstract
The drastic increase of microplastics (MPs) in aquatic environment has become a serious threat to marine and freshwater ecosystems. However, little information is available regarding the potential detrimental effects of polyvinyl chloride microplastics (PVC-MPs) on aquatic organisms. This study investigated the changes of reproduction parameters, oxidative stress and the expression of reproduction and detoxification-related genes in Daphnia magna after exposed to 2 ± 1 and 50 ± 10 μm PVC-MPs. The results showed that chronic exposure to 2 ± 1 μm PVC-MPs prolonged days to the first brood, increased total number of broods per female and frequency of molting per adult, decreased offspring number at first brood and total number of offspring per female in D. magna. Moreover, 2 ± 1 μm PVC-MPs also disturbed the activities of SOD and CAT, increased GSH and MDA levels. The expression of Vtg, SOD, CAT, CYP314 and CYP360A8 genes also exhibited different response patterns depending on exposure time. Furthermore, 50 ± 10 μm PVC-MPs decreased offspring at first brood and Vtg mRNA level, increased the transcription levels and activities of SOD and CAT. These results suggest that the presence of PVC-MPs in aquatic environment may cause reproduction toxicity by disrupting the reproduction and detoxification-related genes expression and inducing oxidative stress in D. magna.
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Affiliation(s)
- Yang Liu
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Jiale Zhang
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Haoyang Zhao
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Ji Cai
- Center for Ecological Research, Kyoto University, Shiga 520-2113, Japan
| | - Yousef Sultan
- Department of Food Toxicology and Contaminants, National Research Centre, Dokki, Cairo 12622, Egypt
| | - Haiyan Fang
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bangjun Zhang
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Junguo Ma
- Henan International Joint Laboratory of Aquatic Ecotoxicology and Health Protection, College of Life Sciences, Henan Normal University, Xinxiang, Henan 453007, China
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23
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Clark AD, Howell BK, Wilson AE, Schwartz TS. Draft genomes for one Microcystis-resistant and one Microcystis-sensitive strain of the water flea, Daphnia pulicaria. G3 (BETHESDA, MD.) 2021; 11:jkab266. [PMID: 34849790 PMCID: PMC8527513 DOI: 10.1093/g3journal/jkab266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 07/23/2021] [Indexed: 11/17/2022]
Abstract
Daphnia species are well-suited for studying local adaptation and evolutionary responses to stress(ors) including those caused by algal blooms. Algal blooms, characterized by an overgrowth (bloom) of cyanobacteria, are detrimental to the health of aquatic and terrestrial members of freshwater ecosystems. Some strains of Daphnia pulicaria have demonstrated resistance to toxic algae and the ability to mitigate toxic algal blooms. Understanding the genetic mechanism associated with this toxin resistance requires adequate genomic resources. Using whole-genome sequence data mapped to the Daphnia pulex reference genome (PA42), we present reference-guided draft assemblies from one tolerant and one sensitive strain of D. pulicaria, Wintergreen-6 (WI-6), and Bassett-411 (BA-411), respectively. Assessment of the draft assemblies reveal low contamination levels, and high levels (95%) of genic content. Reference scaffolds had coverage breadths of 98.9-99.4%, and average depths of 33X and 29X for BA-411 and WI-6, respectively. Within, we discuss caveats and suggestions for improving these draft assemblies. These genomic resources are presented with a goal of contributing to the resources necessary to understand the genetic mechanisms and associations of toxic prey resistance observed in this species.
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Affiliation(s)
- Amanda D Clark
- Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA
| | - Bailey K Howell
- Bioinformatics REU Program, Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA
- Department of Biological Sciences, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061, USA
| | - Alan E Wilson
- Fisheries, Aquaculture and Aquatic Sciences, Auburn University, Auburn, AL 36849, USA
| | - Tonia S Schwartz
- Department of Biological Sciences, Auburn University, Auburn, AL 36849, USA
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24
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A Comparative Test on the Sensitivity of Freshwater and Marine Microalgae to Benzo-Sulfonamides, -Thiazoles and -Triazoles. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11177800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The evaluation of the ecotoxicological effects of water pollutants is performed by using different aquatic organisms. The effects of seven compounds belonging to a class of widespread contaminants, the benzo-fused nitrogen heterocycles, on a group of simple organisms employed in reference ISO tests on water quality (unicellular algae and luminescent bacteria) have been assessed to ascertain their suitability in revealing different contamination levels in the water, wastewater, and sediments samples. Representative compounds of benzotriazoles, benzothiazoles, and benzenesulfonamides, were tested at a concentration ranging from 0.01 to 100 mg L−1. In particular, our work was focused on the long-term effects, for which little information is up to now available. Species-specific sensitivity for any whole family of pollutants was not observed. On average, the strongest growth rate inhibition values were expressed by the freshwater Raphidocelis subcapitata and the marine Phaeodactylum tricornutum algae. R. subcapitata was the only organism for which growth was affected by most of the compounds at the lowest concentrations. The tests on the bioluminescent bacterium Vibrio fisheri gave completely different results, further underlining the need for an appropriate selection of the best biosensors to be employed in biotoxicological studies.
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25
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Gust KA, Lotufo GR, Barker ND, Ji Q, May LK. Mode of action evaluation for reduced reproduction in Daphnia pulex exposed to the insensitive munition, 1-methyl-3-nitro-1-nitroguanidine (MeNQ). ECOTOXICOLOGY (LONDON, ENGLAND) 2021; 30:1203-1215. [PMID: 34173910 PMCID: PMC8295077 DOI: 10.1007/s10646-021-02447-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 06/09/2021] [Indexed: 06/13/2023]
Abstract
The US Department of Defense (DOD) is developing insensitive munitions (IMs) that are resistant to unintended detonation to protect warfighters. To enable material life-cycle analysis for the IM, 1-methyl-3-nitro-1-nitroguanidine (MeNQ), ecotoxicological impacts assessment was required. A previous investigation of MeNQ exposures in Daphnia pulex revealed concentration-responsive decreases in reproduction relative to controls (0 mg/L) across a 174, 346, 709, 1385, and 2286 mg/L exposure range. The present study used those exposures to conduct global transcriptomic expression analyses to establish hypothetical mode(s) of action underlying inhibited reproduction. The number of significantly affected transcripts and the magnitude of fold-change differences relative to controls tended to increase with increasing MeNQ concentration where hierarchical clustering analysis identified separation among the "low" (174 and 346 mg/L) and "high" (709, 1385, and 2286 mg/L) exposures. Vitellogenin is critical to Daphnia reproductive processes and MeNQ exposures significantly decreased transcriptional expression for vitellogenin-1 precursor at the lowest exposure level (174 mg/L) with benchmark dose (BMD) levels closely tracking concentrations that caused inhibited reproduction. Additionally, juvenile hormone-inducible protein, chorion peroxidase, and high choriolytic enzyme transcriptional expression were impacted by MeNQ exposure having potential implications for egg production / maturation and overall fecundity. In concert with these effects on specific genes involved in Daphnia reproductive physiology, MeNQ exposures caused significant enrichment of several canonical-pathways responsible for metabolism of cellular energy substrates where BMD levels for transcriptional expression were observed at ≤100 mg/L. These observations imply possible effects on whole-organism energy budgets that may also incur indirect costs on reproduction.
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Affiliation(s)
- Kurt A Gust
- US Army, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, MS, 39180, USA.
| | - Guilherme R Lotufo
- US Army, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, MS, 39180, USA
| | - Natalie D Barker
- US Army, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, MS, 39180, USA
| | - Qing Ji
- Bennett Aerospace Inc, Cary, NC, 27511, USA
| | - Lauren K May
- US Army, Engineer Research and Development Center, Environmental Laboratory, Vicksburg, MS, 39180, USA
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26
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Lambert FN, Gracy HR, Gracy AJ, Yoon SH, Scott RW, Rincon DM, Vulpe CD. Effects of ultraviolet-filters on Daphnia magna development and endocrine-related gene expression. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2021; 238:105915. [PMID: 34329859 DOI: 10.1016/j.aquatox.2021.105915] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 06/23/2021] [Accepted: 07/14/2021] [Indexed: 06/13/2023]
Abstract
Ultraviolet (UV) filters are emerging contaminants of concern that are widely spread throughout the aquatic environment. Many organic UV filters are endocrine disrupting compounds (EDCs) in vertebrates. However, few studies have assessed their effects on invertebrates. Molting, or the shedding of the exoskeleton, may be affected by exposure to these compounds in Arthropods (the largest phylum of invertebrates). Molting is necessary for growth and development and is regulated by an arthropod specific endocrine system, the ecdysteroid pathway. Alterations of this process by EDCs can result in improper development, reduced growth, and even death. We investigated the sublethal effects of chronic exposure to three organic UV filters (4-methylbenzylidene camphor (4MBC), octylmethoxycinnamate (OMC), and benzophenone-3 (BP3) in a crustacean, Daphnia magna, with particular emphasis on molting and development. We demonstrate that 4MBC, OMC, and BP3 affect development and long-term health in neonates of exposed parents at concentrations of 130 µg/L, 75 µg/L, and 166 µg/L, respectively. Additionally, the expression of endocrine-related genes (including ultraspiracle protein, usp) are significantly altered by 4MBC and BP3 exposure, which may relate to their developmental toxicity.
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Affiliation(s)
- F N Lambert
- Center for Environmental and Human Toxicology, University of Florida.
| | - H R Gracy
- Center for Environmental and Human Toxicology, University of Florida
| | - A J Gracy
- Center for Environmental and Human Toxicology, University of Florida
| | - S H Yoon
- Center for Environmental and Human Toxicology, University of Florida
| | - R W Scott
- Center for Environmental and Human Toxicology, University of Florida
| | - D M Rincon
- Center for Environmental and Human Toxicology, University of Florida
| | - C D Vulpe
- Center for Environmental and Human Toxicology, University of Florida
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27
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Chen S, Li X, Li H, Yuan S, Li J, Liu C. Greater toxic potency of bisphenol AF than bisphenol A in growth, reproduction, and transcription of genes in Daphnia magna. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:25218-25227. [PMID: 33452643 DOI: 10.1007/s11356-020-12153-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2020] [Accepted: 12/17/2020] [Indexed: 06/12/2023]
Abstract
Limited studies were performed to evaluate the effects of bisphenol A (BPA) and bisphenol AF (BPAF) in low-trophic-level animals, such as Daphnia magna (D. magna). In this study, a 21-day standard reproductive toxicity test was carried out to assess the effects of the 2 bisphenols on development, reproduction, and transcription of genes in D. magna. The results demonstrated that only exposure to 5000 nM BPA significantly decreased the survival rate, while significant alternations were observed after exposure to 50, 500, or 5000 nM BPAF. Both the molting numbers of per female and body length of F0 generation were decreased after exposure to 500 nM BPAF, while no obvious effects were observed after treatment with lower concentrations of BPAF and BPA. Increased fecundity but decreased body length and swimming speed of F1 generation were observed after exposure to 5000 nM BPA or 500 nM BPAF. In addition, the results of the qRT-PCR showed the expressions of cyp314, ecra, ecrb, usp, vtg1, and vtg2 were significantly inhibited after exposure to 5000 nM BPA, while the expressions of cyp18a1 and vmo1 were obviously upregulated after exposure to 500 nM BPAF.
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Affiliation(s)
- Sheng Chen
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Xiaodong Li
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Han Li
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Siliang Yuan
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Jun Li
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China
| | - Chunsheng Liu
- Hubei Provincial Engineering Laboratory for Pond Aquaculture, College of Fisheries, Huazhong Agricultural University, Wuhan, 430070, China.
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28
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Bojadzija Savic G, Colinet H, Bormans M, Edwards C, Lawton LA, Briand E, Wiegand C. Cell free Microcystis aeruginosa spent medium affects Daphnia magna survival and stress response. Toxicon 2021; 195:37-47. [PMID: 33716069 DOI: 10.1016/j.toxicon.2021.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2020] [Revised: 02/19/2021] [Accepted: 03/08/2021] [Indexed: 12/01/2022]
Abstract
Primary consumers in freshwater ecosystems, such as the zooplankton organism Daphnia magna, are highly affected by cyanobacteria, both as they may use it as a food source but also by cyanobacterial metabolites present in the water. Here, we investigate the impacts of cyanobacterial metabolites focussing on the environmental realistic scenario of the naturally released mixture without crushing cyanobacterial cells or their uptake as food. Therefore, D. magna were exposed to two concentrations of cell free cyanobacterial spent medium from Microcystis aeruginosa PCC 7806 to represent higher and lower ecologically-relevant concentrations of cyanobacterial metabolites. Including microcystin-LR, 11 metabolites have been detected of which 5 were quantified. Hypothesising concentration and time dependent negative impact, survival, gene expression marking digestion and metabolism, oxidative stress response, cell cycle and molting as well as activities of detoxification and antioxidant enzymes were followed for 7 days. D. magna suffered from oxidative stress as both catalase and glutathione S-transferase enzyme activities significantly decreased, suggesting enzyme exhaustibility after 3 and 7 days. Moreover, gene-expressions of the 4 stress markers (glutathione S-transferase, glutathione peroxidase, catalase and thioredoxin) were merely downregulated after 7 days of exposure. Energy allocation (expression of glyceraldehyde-3-phosphate dehydrogenase) was increased after 3 days but decreased as well after 7 days exposure. Cell cycle was impacted time dependently but differently by the two concentrations, along with an increasing downregulation of myosin heavy chain responsible for cell arrangement and muscular movements. Deregulation of nuclear hormone receptor genes indicate that D. magna hormonal steering including molting seemed impaired despite no detection of microviridin J in the extracts. As a consequence of all those responses and presumably of more than investigated molecular and physiological changes, D. magna survival was impaired over time, in a concentration dependent manner. Our results confirm that besides microcystin-LR, other secondary metabolites contribute to negative impact on D. magna survival and stress response.
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Affiliation(s)
| | - Hervé Colinet
- UMR ECOBIO, 6553 CNRS, Université de Rennes 1, Campus de Beaulieu, Rennes, France.
| | - Myriam Bormans
- UMR ECOBIO, 6553 CNRS, Université de Rennes 1, Campus de Beaulieu, Rennes, France.
| | - Christine Edwards
- School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, AB10 7GJ, United Kingdom.
| | - Linda A Lawton
- School of Pharmacy and Life Sciences, Robert Gordon University, Aberdeen, AB10 7GJ, United Kingdom.
| | - Enora Briand
- IFREMER, Phycotoxins Laboratory, F-44311, Nantes, France.
| | - Claudia Wiegand
- UMR ECOBIO, 6553 CNRS, Université de Rennes 1, Campus de Beaulieu, Rennes, France.
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29
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Bhagat J, Singh N, Nishimura N, Shimada Y. A comprehensive review on environmental toxicity of azole compounds to fish. CHEMOSPHERE 2021; 262:128335. [PMID: 33182121 DOI: 10.1016/j.chemosphere.2020.128335] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 09/04/2020] [Accepted: 09/11/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Azoles are considered as one of the most efficient fungicides for the treatment of humans, animals, and plant fungal pathogens. They are of significant clinical importance as antifungal drugs and are widely used in personal care products, ultraviolet stabilizers, and in aircraft for its anti-corrosive properties. The prevalence of azole compounds in the natural environment and its accumulation in fish raises questions about its impact on aquatic organisms. OBJECTIVES The objective of this paper is to review the scientific studies on the effects of azole compounds in fish and to discuss future opportunities for the risk evaluation. METHODS A systematic literature search was conducted on Web of Science, PubMed, and ScienceDirect to locate peer-reviewed scientific articles on occurrence, environmental fate, and toxicological impact of azole fungicides on fish. RESULTS Studies included in this review provide ample evidence that azole compounds are not only commonly detected in the natural environment but also cause several detrimental effects on fish. Future studies with environmentally relevant concentrations of azole alone or in combination with other commonly occurring contaminants in a multigenerational study could provide a better understanding. CONCLUSION Based on current knowledge and studies reporting adverse biological effects of azole on fish, considerable attention is required for better management and effective ecological risk assessment of these emerging contaminants.
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Affiliation(s)
- Jacky Bhagat
- Graduate School of Regional Innovation Studies, Mie University, Tsu, Mie, 514-8507, Japan; Mie University Zebrafish Drug Screening Center, Tsu, Mie, 514-8507, Japan.
| | - Nisha Singh
- Environment Nanoscience Laboratory, Department of Earth Science, Indian Institute of Science Education and Research, Kolkata, 741246, India.
| | - Norihiro Nishimura
- Graduate School of Regional Innovation Studies, Mie University, Tsu, Mie, 514-8507, Japan; Mie University Zebrafish Drug Screening Center, Tsu, Mie, 514-8507, Japan.
| | - Yasuhito Shimada
- Mie University Zebrafish Drug Screening Center, Tsu, Mie, 514-8507, Japan; Department of Integrative Pharmacology, Mie University Graduate School of Medicine, Tsu, Mie, 514-8507, Japan; Department of Bioinformatics, Mie University Advanced Science Research Promotion Center, Tsu, Mie, 514-8507, Japan.
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Wolinski L, Souza MS, Modenutti B, Balseiro E. Effect of chronic UVR exposure on zooplankton molting and growth. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 267:115448. [PMID: 33254670 DOI: 10.1016/j.envpol.2020.115448] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/11/2020] [Accepted: 08/16/2020] [Indexed: 05/20/2023]
Abstract
Molting is a crucial physiological process in arthropods development, growth, and adult reproduction, where the chitinolytic enzyme chitobiase (CB) and the apoptosis process (caspase-3 activity) play crucial roles. Both molecular endpoints have been observed to be affected by different toxics that may be present in aquatic environments. However, the role of ultraviolet radiation (UVR) in the molting process remains with poor evidence and the possible effect of the previous exposure on F1 generation is unknown. Here, we conducted laboratory experiments with chronic UVR exposure to test the effect on the molting process of Daphnia commutata. Our results showed a clear negative effect of the UVR that affected the molting process with a reduction in individual growth. This trend was also observed in CB and caspase-3 activities. Our results also suggest that the UV dose received by the mother and eggs has an additive effect with the dose received by the offspring. These results imply that the cumulative impact of small UVR doses (2 h per day, daily dose: 2520 J m-2 of 340 nm) on mothers and eggs (which cannot be discriminated in our experiments) can have an additive or synergistic effect along with the generations through a potential increase in lethal effect. Finally, the observed desynchronization in the molting process by UVR will affect the fitness of individuals and population dynamics.
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Affiliation(s)
- Laura Wolinski
- Laboratorio de Limnología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, 8400, Bariloche, Argentina; Laboratorio de Ecología, Fisiología y Evolución de organismos acuáticos, CADIC, CONICET, Ushuaia, Argentina.
| | - María Sol Souza
- Laboratorio de Limnología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, 8400, Bariloche, Argentina; Universidad Nacional del Comahue, Depto Química, Quintral 1250, 8400, Bariloche, Argentina; Universidad Nacional de Río Negro, Sede Andina, Mitre 630, 8400, Bariloche, Argentina
| | - Beatriz Modenutti
- Laboratorio de Limnología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, 8400, Bariloche, Argentina
| | - Esteban Balseiro
- Laboratorio de Limnología, INIBIOMA, CONICET-Universidad Nacional del Comahue, Quintral 1250, 8400, Bariloche, Argentina
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Ghosh Biswas R, Fortier-McGill B, Akhter M, Soong R, Ning P, Bastawrous M, Jenne A, Schmidig D, De Castro P, Graf S, Kuehn T, Busse F, Struppe J, Fey M, Heumann H, Boenisch H, Gundy M, Simpson MJ, Simpson AJ. Ex vivo Comprehensive Multiphase NMR of whole organisms: A complementary tool to in vivo NMR. Anal Chim Acta X 2020; 6:100051. [PMID: 33392494 PMCID: PMC7772632 DOI: 10.1016/j.acax.2020.100051] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/29/2020] [Accepted: 06/23/2020] [Indexed: 12/15/2022] Open
Abstract
Nuclear Magnetic Resonance (NMR) spectroscopy is a non-invasive analytical technique which allows for the study of intact samples. Comprehensive Multiphase NMR (CMP-NMR) combines techniques and hardware from solution state and solid state NMR to allow for the holistic analysis of all phases (i.e. solutions, gels and solids) in unaltered samples. This study is the first to apply CMP-NMR to deceased, intact organisms and uses 13C enriched Daphnia magna (water fleas) as an example. D. magna are commonly used model organisms for environmental toxicology studies. As primary consumers, they are responsible for the transfer of nutrients across trophic levels, and a decline in their population can potentially impact the entire freshwater aquatic ecosystem. Though in vivo research is the ultimate tool to understand an organism’s most biologically relevant state, studies are limited by conditions (i.e. oxygen requirements, limited experiment time and reduced spinning speed) required to keep the organisms alive, which can negatively impact the quality of the data collected. In comparison, ex vivo CMP-NMR is beneficial in that; organisms do not need oxygen (eliminating air holes in rotor caps and subsequent evaporation); samples can be spun faster, leading to improved spectral resolution; more biomass per sample can be analyzed; and experiments can be run for longer. In turn, higher quality ex vivo NMR, can provide more comprehensive NMR assignments, which in many cases could be transferred to better understand less resolved in vivo signals. This manuscript is divided into three sections: 1) multiphase spectral editing techniques, 2) detailed metabolic assignments of 2D NMR of 13C enriched D. magna and 3) multiphase biological changes over different life stages, ages and generations of D. magna. In summary, ex vivo CMP-NMR proves to be a very powerful approach to study whole organisms in a comprehensive manner and should provide very complementary information to in vivo based research. Comprehensive Multiphase NMR detects all phases (solid/liquid/gel) in whole samples. Deceased organisms are not subjected to the limitations of in vivo NMR studies. 2D ex vivo NMR offer increased spectral resolution, improving metabolite assignment. Holistic analysis shows biological changes in D. magna over different life stages. Ex vivo NMR can be a complementary tool for in vivo NMR metabolomic studies.
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Affiliation(s)
- Rajshree Ghosh Biswas
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Blythe Fortier-McGill
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Mohammad Akhter
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Ronald Soong
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Paris Ning
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Monica Bastawrous
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Amy Jenne
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - Daniel Schmidig
- Bruker Switzerland AG, Industriestrasse 26, 8117, Fällanden, Switzerland
| | - Peter De Castro
- Bruker Switzerland AG, Industriestrasse 26, 8117, Fällanden, Switzerland
| | - Stephan Graf
- Bruker Switzerland AG, Industriestrasse 26, 8117, Fällanden, Switzerland
| | - Till Kuehn
- Bruker Switzerland AG, Industriestrasse 26, 8117, Fällanden, Switzerland
| | - Falko Busse
- Bruker Biospin GmbH, Silberstreifen 4, 76287, Rheinstetten, Germany
| | - Jochem Struppe
- Bruker Corporation, 15 Fortune Drive, Billerica, MA, 01821-3991, USA
| | - Michael Fey
- Bruker Corporation, 15 Fortune Drive, Billerica, MA, 01821-3991, USA
| | - Hermann Heumann
- Silantes GmbH, Gollierstrasse 70c, D-80339, München, Germany
| | - Holger Boenisch
- Silantes GmbH, Gollierstrasse 70c, D-80339, München, Germany
| | - Marcel Gundy
- Silantes GmbH, Gollierstrasse 70c, D-80339, München, Germany
| | - Myrna J Simpson
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
| | - André J Simpson
- University of Toronto Scarborough, Department of Physical & Environmental Sciences, 1265, Military Trail, M1C 1A4, ON, Canada
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Cuvillier-Hot V, Lenoir A. Invertebrates facing environmental contamination by endocrine disruptors: Novel evidences and recent insights. Mol Cell Endocrinol 2020; 504:110712. [PMID: 31962147 DOI: 10.1016/j.mce.2020.110712] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 02/08/2023]
Abstract
The crisis of biodiversity we currently experience raises the question of the impact of anthropogenic chemicals on wild life health. Endocrine disruptors are notably incriminated because of their possible effects on development and reproduction, including at very low doses. As commonly recorded in the field, the burden they impose on wild species also concerns invertebrates, with possible specificities linked with the specific physiology of these animals. A better understanding of chemically-mediated endocrine disruption in these species has clearly gained from knowledge accumulated on vertebrate models. But the molecular pathways specific to invertebrates also need to be reckoned, which implies dedicated research efforts to decipher their basic functioning in order to be able to assess its possible disruption. The recent rising of omics technologies opens the way to an intensification of these efforts on both aspects, even in species almost uninvestigated so far.
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Affiliation(s)
| | - Alain Lenoir
- IRBI, Institut de Recherche sur la Biologie de l'Insecte, UMR CNRS, Faculté des Sciences, Parc de Grandmont, Université de Tours, Tours, France
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33
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Gust KA, Kennedy AJ, Laird JG, Wilbanks MS, Barker ND, Guan X, Melby NL, Burgoon LD, Kjelland ME, Swannack TM. Different as night and day: Behavioural and life history responses to varied photoperiods in Daphnia magna. Mol Ecol 2019; 28:4422-4438. [PMID: 31486145 PMCID: PMC6856852 DOI: 10.1111/mec.15230] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Revised: 08/08/2019] [Accepted: 08/28/2019] [Indexed: 01/18/2023]
Abstract
Nearly all animal species have utilized photoperiod to cue seasonal behaviours and life history traits. We investigated photoperiod responses in keystone species, Daphnia magna, to identify molecular processes underlying ecologically important behaviours and traits using functional transcriptomic analyses. Daphnia magna were photoperiod‐entrained immediately posthatch to a standard control photoperiod of 16 light/ 8 dark hours (16L:8D) relative to shorter (4L:20D, 8L:16D, 12L:12L) and longer (20L:4D) day length photoperiods. Short‐day photoperiods induced significantly increased light‐avoidance behaviours relative to controls. Correspondingly, significant differential transcript expression for genes involved in glutamate signalling was observed, a critical signalling pathway in arthropod light‐avoidance behaviour. Additionally, period circadian protein and proteins coding F‐box/LRR‐repeat domains were differentially expressed which are recognized to establish circadian rhythms in arthropods. Indicators of metabolic rate increased in short‐day photoperiods which corresponded with broadscale changes in transcriptional expression across system‐level energy metabolism pathways. The most striking observations included significantly decreased neonate production at the shortest day length photoperiod (4L:20D) and significantly increased male production across short‐day and equinox photoperiods (4L:20D, 8L:16D and 12L:12D). Transcriptional expression consistent with putative mechanisms of male production was observed including photoperiod‐dependent expression of transformer‐2 sex‐determining protein and small nuclear ribonucleoprotein particles (snRNPs) which control splice variant expression for genes like transformer. Finally, increased transcriptional expression of glutamate has also been shown to induce male production in Daphnia pulex via photoperiod‐sensitive mechanisms. Overall, photoperiod entrainment affected molecular pathways that underpin critical behavioural and life history traits in D. magna providing fundamental insights into biological responses to this primary environmental cue.
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Affiliation(s)
- Kurt A Gust
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | - Alan J Kennedy
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | - Jennifer G Laird
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | - Mitchell S Wilbanks
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | | | - Xin Guan
- Bennett Aerospace, Cary, NC, USA
| | - Nicolas L Melby
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | - Lyle D Burgoon
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | - Michael E Kjelland
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
| | - Todd M Swannack
- Environmental Laboratory, Engineer Research and Development Center, US Army, Vicksburg, MS, USA
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Giraudo M, Colson TLL, Pilote M, Gagnon C, Gagnon P, Houde M. A major release of urban untreated wastewaters in the St. Lawrence River (Quebec, Canada) altered growth, reproduction, and redox status in experimentally exposed Daphnia magna. ECOTOXICOLOGY (LONDON, ENGLAND) 2019; 28:843-851. [PMID: 31392632 DOI: 10.1007/s10646-019-02084-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 07/19/2019] [Indexed: 06/10/2023]
Abstract
In 2015, five billion liters of untreated urban wastewater (UWW) were released into the St. Lawrence River (Quebec, Canada) over the course of four days in order to repair the Montreal's sewer interceptor network related to the city's primary wastewater treatment plant. The UWW discharge originated mainly from household, industrial, and hospital sources. The objective of this study was to investigate the toxicological effects of this unprecedented punctual UWW release on aquatic invertebrates to gather information that could help understand the potential impacts to the receiving environment of overflow episodes occurring during heavy rain events. Water samples were collected at four impacted and non-impacted sites during and four weeks after the release. The freshwater crustacean Daphnia magna were experimentally exposed to surface water collected from UWW-impacted sites for 13 days and analyzed for life-history endpoints and suitable biomarkers related to oxidative stress (i.e., catalase, superoxide dismutase, lipid peroxidation, and glutathione-s-transferase) and reproduction (chitinase). Results indicated that D. magna growth and reproduction were significantly increased by exposure to UWWs. These effects were correlated with an increase in chitinase activity, which is primarily controlled by reproductive hormones and involved in growth, suggesting potential impacts on these processes. Results also indicated that some UWW samples might have caused oxidative stress during the release but that it was overcome by antioxidant defenses and did not lead to cellular damage. Overall, current results contribute to a better understanding of the biological impacts of UWW to aquatic invertebrates for a better stormwater management.
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Affiliation(s)
- M Giraudo
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill Street, Montreal, H2Y 2E7, QC, Canada.
| | - T-L L Colson
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill Street, Montreal, H2Y 2E7, QC, Canada
| | - M Pilote
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill Street, Montreal, H2Y 2E7, QC, Canada
| | - C Gagnon
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill Street, Montreal, H2Y 2E7, QC, Canada
| | - P Gagnon
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill Street, Montreal, H2Y 2E7, QC, Canada
| | - M Houde
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, 105 McGill Street, Montreal, H2Y 2E7, QC, Canada
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35
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Gatidou G, Anastopoulou P, Aloupi M, Stasinakis AS. Growth inhibition and fate of benzotriazoles in Chlorella sorokiniana cultures. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 663:580-586. [PMID: 30726766 DOI: 10.1016/j.scitotenv.2019.01.384] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2018] [Revised: 01/16/2019] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
Benzotriazoles are among the most commonly found organic micropollutants in the aquatic environment. In this study, toxicity experiments were conducted in order to investigate the effects of different benzotriazoles on Chlorella sorokiniana growth. Four compounds were tested; 1H-benzotriazole (BTR), xylytriazole (XTR), 5-methyl-1H-benzotriazole (5TTR) and 5-chlorobenzotriazole (CBTR). The fate of these micropollutants was also studied under batch conditions and the effect of different mechanisms on their elimination was investigated. According to the results, the EC50 values in single-substance toxicity experiments were calculated to 8.3 mg L-1 for BTR, 22 mg L-1 for 5TTR and 38.7 mg L-1 for CBTR. A slight inhibition on microalgae growth was noted at the maximum tested concentration of XTR (77 mg L-1), while no inhibition was observed when a mixture of target BTRs was tested at 200 μg L-1. Calculation of the Risk Quotient (RQ) showed no possible ecological threat in the presence of 5TTR, XTR and CBTR, while RQ values close or higher than 1 were estimated for BTR. All target contaminants were significantly eliminated in microalgae experiments that lasted 16 days. Their removal efficiency ranged between 42.2 ± 3.1% (XTR) to 97.2 ± 0.9% (XTR), while their half-life values were estimated to 2.4 ± 0.5 days for 5TTR, 6.5 ± 0.6 days for BTR, 15.2 ± 1.4 days for CBTR and 20.7 ± 2.0 days for XTR. Photodegradation was the main mechanism affecting BTR, XTR and CBTR removal, while bioremoval processes enhanced 5TTR elimination. The addition of sodium acetate decreased the removal efficiency of BTRs possibly due to catabolite repression. This is the first study investigating the toxicity and fate of BTRs in microalgae cultures.
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Affiliation(s)
- Georgia Gatidou
- Water and Air Quality Laboratory, Department of Environment, University of the Aegean, University Hill, 81100 Mytilene, Greece.
| | - Petra Anastopoulou
- Water and Air Quality Laboratory, Department of Environment, University of the Aegean, University Hill, 81100 Mytilene, Greece
| | - Maria Aloupi
- Water and Air Quality Laboratory, Department of Environment, University of the Aegean, University Hill, 81100 Mytilene, Greece
| | - Athanasios S Stasinakis
- Water and Air Quality Laboratory, Department of Environment, University of the Aegean, University Hill, 81100 Mytilene, Greece
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Shi ZQ, Liu YS, Xiong Q, Cai WW, Ying GG. Occurrence, toxicity and transformation of six typical benzotriazoles in the environment: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 661:407-421. [PMID: 30677686 DOI: 10.1016/j.scitotenv.2019.01.138] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 01/08/2019] [Accepted: 01/12/2019] [Indexed: 05/28/2023]
Abstract
Benzotriazoles (BTs) are a group of heterocyclic compounds which have been widely applied in industrial activities and domestic life mainly as corrosive inhibitors. BTs have been ubiquitously detected in receiving environments and cause potential toxicity to non-target organisms. This paper reviews the occurrence and fate of six selected benzotriazole compounds in different environmental and biological matrices, as well as the transformation and toxicity. Due to their high hydrophilicity and insufficient removal in wastewater treatment plants (WWTPs), these compounds were widely detected in aquatic environments with concentrations mainly from tens ng/L to tens μg/L. Considerable residual levels of BTs in plant, fish, air, tap water and human urine have implied the potential risks to various organsims. The reported acute toxicity of BTs are generally low (EC50 in mg/L level). Some observed sublethal effects including endocrine disrupting effects, hepatotoxicity and neurotoxicity, as well as the ability to promote the development of endometrial carcinoma still raise a concern. BTs are found often more recalcitrant to biodegradation compared to photolysis and ozonation. Environmental factors including pH, temperature, irradiation wavelength, redox condition as well as components of matrix are proved crucial to the removal of BTs. Further studies are needed to explore the precise environment fate and toxicity mechanism of BTs, and develop advanced treatment technologies to reduce the potential ecological risks of BTs.
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Affiliation(s)
- Zhou-Qi Shi
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - You-Sheng Liu
- The Environmental Research Institute, MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China.
| | - Qian Xiong
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wen-Wen Cai
- State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou 510640, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Guang-Guo Ying
- The Environmental Research Institute, MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
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37
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Hidalgo‐Serrano M, Borrull F, Marcé RM, Pocurull E. Presence of benzotriazoles, benzothiazoles and benzenesulfonamides in surface water samples by liquid chromatography coupled to high‐resolution mass spectrometry. SEPARATION SCIENCE PLUS 2019. [DOI: 10.1002/sscp.201800140] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Míriam Hidalgo‐Serrano
- Department of Analytical Chemistry and Organic ChemistryUniversitat Rovira i Virgili Tarragona Spain
| | - Francesc Borrull
- Department of Analytical Chemistry and Organic ChemistryUniversitat Rovira i Virgili Tarragona Spain
| | - Rosa M. Marcé
- Department of Analytical Chemistry and Organic ChemistryUniversitat Rovira i Virgili Tarragona Spain
| | - Eva Pocurull
- Department of Analytical Chemistry and Organic ChemistryUniversitat Rovira i Virgili Tarragona Spain
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Nilsen E, Smalling KL, Ahrens L, Gros M, Miglioranza KSB, Picó Y, Schoenfuss HL. Critical review: Grand challenges in assessing the adverse effects of contaminants of emerging concern on aquatic food webs. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2019; 38:46-60. [PMID: 30294805 DOI: 10.1002/etc.4290] [Citation(s) in RCA: 106] [Impact Index Per Article: 21.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Revised: 09/24/2018] [Accepted: 10/03/2018] [Indexed: 05/24/2023]
Abstract
Much progress has been made in the past few decades in understanding the sources, transport, fate, and biological effects of contaminants of emerging concern (CECs) in aquatic ecosystems. Despite these advancements, significant obstacles still prevent comprehensive assessments of the environmental risks associated with the presence of CECs. Many of these obstacles center around the extrapolation of effects of single chemicals observed in the laboratory or effects found in individual organisms or species in the field to impacts of multiple stressors on aquatic food webs. In the present review, we identify 5 challenges that must be addressed to promote studies of CECs from singular exposure events to multispecies aquatic food web interactions. There needs to be: 1) more detailed information on the complexity of mixtures of CECs in the aquatic environment, 2) a greater understanding of the sublethal effects of CECs on a wide range of aquatic organisms, 3) an ascertaining of the biological consequences of variable duration CEC exposures within and across generations in aquatic species, 4) a linkage of multiple stressors with CEC exposure in aquatic systems, and 5) a documenting of the trophic consequences of CEC exposure across aquatic food webs. We examine the current literature to show how these challenges can be addressed to fill knowledge gaps. Environ Toxicol Chem 2019;38:46-60. © 2018 SETAC.
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Affiliation(s)
- Elena Nilsen
- US Geological Survey, Oregon Water Science Center, Portland, Oregon, USA
| | - Kelly L Smalling
- US Geological Survey, New Jersey Water Science Center, Lawrenceville, New Jersey, USA
| | - Lutz Ahrens
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
| | - Meritxell Gros
- Department of Aquatic Sciences and Assessment, Swedish University of Agricultural Sciences, Uppsala, Sweden
- Catalan Institute for Water Research, Girona, Spain
| | - Karina S B Miglioranza
- Laboratory of Ecotoxicology and Environmental Pollution, Mar del Plata University, Mar del Plata, Argentina
| | - Yolanda Picó
- Environmental and Food Safety Research Group, Center of Research on Desertification (CIDe), Faculty of Pharmacy, University of Valencia, Valencia, Spain
| | - Heiko L Schoenfuss
- Aquatic Toxicology Laboratory, St. Cloud State University, St. Cloud, Minnesota, USA
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39
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Trček B, Žigon D, Zidar VK, Auersperger P. Profiles of the benzotriazole pollutant transformation products in an urban intergranular aquifer. WATER RESEARCH 2018; 144:254-264. [PMID: 30036760 DOI: 10.1016/j.watres.2018.07.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2018] [Revised: 06/20/2018] [Accepted: 07/16/2018] [Indexed: 06/08/2023]
Abstract
Benzotriazoles (BTs) are regarded as contaminants of emerging concern. However, their transformation products (BTTPs) in aquifers remains poorly characterized. The present study is the first detailed report on profiles of the BTTPs in an urban oxic intergranular aquifer related to water type, land use and the aquifer's depth. The 2-methyl-2H-benzotriazole (2-MeBT) and 2,4-dimethyl-2H-benzotriazole (2,4-dMeBT) were quantified using the gas chromatography-mass spectrometry (GC-MS) analytical technique based on internal standards. For the first time the relationship between the 2-MeBT and 2,4-dMeBT concentrations was studied in sampled water and discussed with respect to the different flow paths and sources of contamination. Three main sources of BTTPs were determined in urban groundwater: BTs and BTTPs included in the outflow of effluents from wastewater-treatment plants and energy-producing facilities into surface streams that recharge the aquifer and in the leaking effluents from industrial and public wastewater pipelines. The results confirm that the BTTPs are transformed from parent compounds in the aquifer's unsaturated zone in the case when the effluents are temporally stored in sediments with a lower hydraulic conductivity, which is indicated with the highest median concentrations of BTTPs referring to the perched aquifers where the BTTPs proportions were 92-99%. BTTPs dominated over the parent BTs also in groundwater. The highest concentrations of BTTPs (up to 174 and 144 ng L-1 for the 2-MeBT and 2,4-dMeBT ng L-1, respectively) were measured in groundwater abstracted from the upper parts of the aquifer in the area where the losses from industrial wastewater pipelines were evidenced. The 2,4-dMeBT dominated over the 2-MeBT in the BTTPs originating from BTs included in the industrial effluents, which is the opposite to the case when their origin is in the municipal effluents. The median sum concentration of the BTTPs in drinking-water resources (2.0 ng L-1) is lower than the quality criterion recommended for BTs so far. Nevertheless, the abundance of BTs in the environment and the apparent environmental relevance of the BTTPs in urban groundwater indicate the need for a risk assessment of BTTPs with respect to health and the environment.
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Affiliation(s)
- Branka Trček
- University of Maribor, Faculty of Civil Engineering, Transportation Engineering and Architecture, Smetanova Ulica17, Maribor SI-2000, Slovenia.
| | - Dušan Žigon
- Jožef Stefan Institute, Department of Environmental Sciences, Jamova Cesta 39, Ljubljana, Slovenia
| | - Vlasta Kramarič Zidar
- Public Water Supply Company Vodovod-Kanalizacija, Vodovodna Cesta 90, Ljubljana, Slovenia
| | - Primož Auersperger
- Public Water Supply Company Vodovod-Kanalizacija, Vodovodna Cesta 90, Ljubljana, Slovenia
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Campos B, Fletcher D, Piña B, Tauler R, Barata C. Differential gene transcription across the life cycle in Daphnia magna using a new all genome custom-made microarray. BMC Genomics 2018; 19:370. [PMID: 29776339 PMCID: PMC5960145 DOI: 10.1186/s12864-018-4725-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Accepted: 04/25/2018] [Indexed: 11/23/2022] Open
Abstract
Background Unravelling the link between genes and environment across the life cycle is a challenging goal that requires model organisms with well-characterized life-cycles, ecological interactions in nature, tractability in the laboratory, and available genomic tools. Very few well-studied invertebrate model species meet these requirements, being the waterflea Daphnia magna one of them. Here we report a full genome transcription profiling of D. magna during its life-cycle. The study was performed using a new microarray platform designed from the complete set of gene models representing the whole transcribed genome of D. magna. Results Up to 93% of the existing 41,317 D. magna gene models showed differential transcription patterns across the developmental stages of D. magna, 59% of which were functionally annotated. Embryos showed the highest number of unique transcribed genes, mainly related to DNA, RNA, and ribosome biogenesis, likely related to cellular proliferation and morphogenesis of the several body organs. Adult females showed an enrichment of transcripts for genes involved in reproductive processes. These female-specific transcripts were essentially absent in males, whose transcriptome was enriched in specific genes of male sexual differentiation genes, like doublesex. Conclusion Our results define major characteristics of transcriptional programs involved in the life-cycle, differentiate males and females, and show that large scale gene-transcription data collected in whole animals can be used to identify genes involved in specific biological and biochemical processes. Electronic supplementary material The online version of this article (10.1186/s12864-018-4725-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Bruno Campos
- IDAEA-CSIC: Institute of Environmental Diagnosis and Water Research, CSIC, Barcelona, Spain.
| | | | - Benjamín Piña
- IDAEA-CSIC: Institute of Environmental Diagnosis and Water Research, CSIC, Barcelona, Spain
| | - Romà Tauler
- IDAEA-CSIC: Institute of Environmental Diagnosis and Water Research, CSIC, Barcelona, Spain
| | - Carlos Barata
- IDAEA-CSIC: Institute of Environmental Diagnosis and Water Research, CSIC, Barcelona, Spain
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Molinier C, Reisser CMO, Fields P, Ségard A, Galimov Y, Haag CR. Identification of General Patterns of Sex-Biased Expression in Daphnia, a Genus with Environmental Sex Determination. G3 (BETHESDA, MD.) 2018; 8:1523-1533. [PMID: 29535148 PMCID: PMC5940145 DOI: 10.1534/g3.118.200174] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2017] [Accepted: 02/25/2018] [Indexed: 12/18/2022]
Abstract
Daphnia reproduce by cyclic-parthenogenesis, where phases of asexual reproduction are intermitted by sexual production of diapause stages. This life cycle, together with environmental sex determination, allow the comparison of gene expression between genetically identical males and females. We investigated gene expression differences between males and females in four genotypes of Daphnia magna and compared the results with published data on sex-biased gene expression in two other Daphnia species, each representing one of the major phylogenetic clades within the genus. We found that 42% of all annotated genes showed sex-biased expression in D. magna This proportion is similar both to estimates from other Daphnia species as well as from species with genetic sex determination, suggesting that sex-biased expression is not reduced under environmental sex determination. Among 7453 single copy, one-to-one orthologs in the three Daphnia species, 707 consistently showed sex-biased expression and 675 were biased in the same direction in all three species. Hence these genes represent a core-set of genes with consistent sex-differential expression in the genus. A functional analysis identified that several of them are involved in known sex determination pathways. Moreover, 75% were overexpressed in females rather than males, a pattern that appears to be a general feature of sex-biased gene expression in Daphnia.
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Affiliation(s)
- Cécile Molinier
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE)- Unité Mixte de Recherche 5175, Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier-Université Paul-Valéry Montpellier-Ecole Pratique des Hautes Etudes (EPHE), 1919 Route de Mende, 34293 Montpellier Cedex 5, France
| | - Céline M O Reisser
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE)- Unité Mixte de Recherche 5175, Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier-Université Paul-Valéry Montpellier-Ecole Pratique des Hautes Etudes (EPHE), 1919 Route de Mende, 34293 Montpellier Cedex 5, France
- Université de Fribourg, Ecology and Evolution, Ch. du Musée 10, 1700 Fribourg, Switzerland
- IFREMER Centre du Pacifique, UMR 241 EIO, Labex CORAIL, BP 49, 98719 Taravao, Tahiti, Polynésie Française
| | - Peter Fields
- Universität Basel, Zoology Institute, Evolutionary Biology, Vesalgasse 1, 4051 Basel, Switzerland
| | - Adeline Ségard
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE)- Unité Mixte de Recherche 5175, Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier-Université Paul-Valéry Montpellier-Ecole Pratique des Hautes Etudes (EPHE), 1919 Route de Mende, 34293 Montpellier Cedex 5, France
| | - Yan Galimov
- Koltsov Institute of Developmental Biology RAS ul. Vavilova 26, 119334 Moscow, Russia
| | - Christoph R Haag
- Centre d'Ecologie Fonctionnelle et Evolutive (CEFE)- Unité Mixte de Recherche 5175, Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier-Université Paul-Valéry Montpellier-Ecole Pratique des Hautes Etudes (EPHE), 1919 Route de Mende, 34293 Montpellier Cedex 5, France
- Université de Fribourg, Ecology and Evolution, Ch. du Musée 10, 1700 Fribourg, Switzerland
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Trček B, Žigon D, Zidar VK, Auersperger P. The fate of benzotriazole pollutants in an urban oxic intergranular aquifer. WATER RESEARCH 2018; 131:264-273. [PMID: 29304380 DOI: 10.1016/j.watres.2017.12.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2017] [Revised: 12/09/2017] [Accepted: 12/16/2017] [Indexed: 06/07/2023]
Abstract
Benzotriazoles (BTs) are considered as Contaminants of Emerging Concern (CECs); however, information about their fate in aquifers continues to be absent. This was the focus of the present study, which provides the first evidence for relevant BTs' degradation products (BTTPs) in urban aquifers that may impact the groundwater quality. The mechanisms and biotransformation pathways of BTs were investigated in an oxic intergranular medium. The BTs and BTTPs were identified and quantified by gas chromatography-mass spectrometry (GC-MS) and liquid chromatography-mass spectrometry (LC-MS) analytical techniques based on reference standards and internal materials. The major transformation products were identified as 2-methyl-2H-benzotriazole (2-MeBT) for the degradation of 1H-benzotriazole (BT) and as 2,4-dimethyl-2H-benzotriazole (2,4-dMeBT) and 1,4-dimethyl-1H-benzotriazole (1,4-dMeBT) for the degradation of 4-methyl-1H-benzotriazole (4-MeBT), and most probably also 5-methyl-1H-benzotriazole (5-MeBT). The leakage of wastewater pipelines is most probably the source of BTs. Sediments with a lower hydraulic conductivity give rise to perched aquifer conditions that lead to the temporal storage of leaking effluents and presumably the majority of BTs' transformation processes via methylation and tautomerization. The most stable BTTPs entered the saturated zone of the aquifer, where they prevailed. Concentrations up to 1500 ng L-1 were measured for the 2,4-dMeBT, which suggest a contamination risk for groundwater that is or may be used as a source for drinking water in the case of a constant input of pollutant loads from sewer systems.
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Affiliation(s)
- Branka Trček
- University of Maribor, Faculty of Civil Engineering, Transportation Engineering and Architecture, Smetanova ulica 17, Maribor SI-2000, Slovenia.
| | - Dušan Žigon
- Jožef Stefan Institute, Department of Environmental Sciences, Jamova cesta 39, Ljubljana, Slovenia
| | - Vlasta Kramarič Zidar
- Public Water Supply Company Vodovod-Kanalizacija, Vodovodna cesta 90, Ljubljana, Slovenia
| | - Primož Auersperger
- Public Water Supply Company Vodovod-Kanalizacija, Vodovodna cesta 90, Ljubljana, Slovenia
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Giraudo M, Dubé M, Lépine M, Gagnon P, Douville M, Houde M. Multigenerational effects evaluation of the flame retardant tris(2-butoxyethyl) phosphate (TBOEP) using Daphnia magna. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2017; 190:142-149. [PMID: 28711770 DOI: 10.1016/j.aquatox.2017.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2017] [Revised: 07/05/2017] [Accepted: 07/06/2017] [Indexed: 06/07/2023]
Abstract
Tris(2-butoxyethyl) phosphate (TBOEP) is an organophosphate ester used as substitute following the phase-out of brominated flamed retardants. Because of its high production volume and its use in a broad range of applications, this chemical is now frequently detected in the environment and biota. However, limited information is available on the long-term effects of TBOEP in aquatic organisms. In this study, Daphnia magna were exposed over three 21d generations to an environmentally relevant concentration of TBOEP (10μg/L) and effects were evaluated at the gene transcription, protein, and life-history (i.e., survival, reproduction and growth) levels. Chronic exposure to TBEOP did not impact survival or reproduction of D. magna but affected the growth output. The mean number of molts was also found to be lower in daphnids exposed to the chemical compared to control for a given generation, however there were no significant differences over the three generations. Molecular responses indicated significant differences in the transcription of genes related to growth, molting, ecdysteroid and juvenile hormone signaling, proteolysis, oxidative stress, and oxygen transport within generations. Levels of mRNA were also found to be significantly different for genes known to be involved in endocrine-mediated mechanisms such as reproduction and growth between generations F0, F1, and F2, indicating effects of parental exposure on offspring. Transcription results were supported by protein analyses with the significant decreased in catalase (CAT) activity in F1 generation, following the decreased transcription of cat in the parental generation. Taken together, these multi-biological level results suggest long-term potential endocrine disruption effects of TBOEP in D. magna exposed to an environmentally relevant concentration. This study highlights the importance of using chronic and multigenerational biological evaluation to assess risks of emerging chemicals.
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Affiliation(s)
- Maeva Giraudo
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, Water Science and Technology Directorate,105 McGill Street, Montreal, QC, H2Y 2E7, Canada
| | - Maxime Dubé
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, Water Science and Technology Directorate,105 McGill Street, Montreal, QC, H2Y 2E7, Canada
| | - Mélanie Lépine
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, Water Science and Technology Directorate,105 McGill Street, Montreal, QC, H2Y 2E7, Canada
| | - Pierre Gagnon
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, Water Science and Technology Directorate,105 McGill Street, Montreal, QC, H2Y 2E7, Canada
| | - Mélanie Douville
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, Water Science and Technology Directorate,105 McGill Street, Montreal, QC, H2Y 2E7, Canada
| | - Magali Houde
- Environment and Climate Change Canada, Aquatic Contaminants Research Division, Water Science and Technology Directorate,105 McGill Street, Montreal, QC, H2Y 2E7, Canada.
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