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Xu M, Zhang G, Qiu Y, Li Y, Liu C, Yang X. Biotransformation of cyproterone acetate, drospirenone, and megestrol acetate in agricultural soils: Kinetics, microbial community dynamics, transformation products, and mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166847. [PMID: 37690749 DOI: 10.1016/j.scitotenv.2023.166847] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 08/09/2023] [Accepted: 09/03/2023] [Indexed: 09/12/2023]
Abstract
The occurrence of biologically active synthetic progestins in agricultural soils is of growing concern due to their potential to disrupt the endocrine function of aquatic fish in nearby surface waters. This study investigated the biotransformation outcomes of cyproterone acetate (CPA), drospirenone (DRO), and megestrol acetate (MGA) in four agricultural soils. The biotransformation data were fitted to a first-order decay model (R2 = 0.93-0.99), with half-lives and first-order decay coefficients ranging from 76.2-217 h and 9.10 × 10-3-3.20 × 10-3 (h-1), respectively. Abundant biotransformation products (TPs) were generated during incubation, with the number and yields varying across the four soils. 1,2-Dehydrogenation was the main transformation pathway of DRO in the four soils (yields of 32.3-214 %). Similarly, 1,2-dehydrogenation was the most relevant transformation pathway of MGA in the four soils (yields of 21.8-417 %). C3 reduction was the major transformation pathway of CPA in soils B, C, and D (yields of 114-245 %). Hydrogenation (yield of 133 %) and hydroxylation (yield of 21.0 %) were the second major transformation pathway of CPA in soil B and C, respectively. In particular, several TPs exhibited progestogenic and antimineralocorticoid activity, as well as genotoxicity. The high-throughput sequencing indicated that interactions between microorganisms and soil properties may affect biotransformation. Spearman correlation and bidirectional network correlation analysis further revealed that soil properties can directly interfere with the soil sorption capacity for the progestins, thus affecting biotransformation. In particular, soil properties can also limit or promote biotransformation and the formation of TPs (i.e., biotransformation pathways) by affecting the relative abundances of relevant microorganisms. The results of this study indicate that the ecotoxicity of synthetic progestins and related TPs can vary across soils and that the assessment of environmental risks associated with these compounds requires special consideration of both soil properties and microbial communities.
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Affiliation(s)
- Manxin Xu
- College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Ge Zhang
- College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Yang Qiu
- College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Yongtao Li
- College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Province Key Laboratory for Land Use and Consolidation, Guangzhou 510642, PR China
| | - Churong Liu
- College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China
| | - Xingjian Yang
- College of Natural Resources and Environment, Joint Institute for Environment & Education, South China Agricultural University, Guangzhou 510642, PR China; Guangdong Province Key Laboratory for Land Use and Consolidation, Guangzhou 510642, PR China.
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Razak MR, Aris AZ, Yusoff FM, Yusof ZNB, Abidin AAZ, Kim SD, Kim KW. Risk assessment of bisphenol analogues towards mortality, heart rate and stress-mediated gene expression in cladocerans Moina micrura. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2023; 45:3567-3583. [PMID: 36450975 DOI: 10.1007/s10653-022-01442-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 11/22/2022] [Indexed: 06/01/2023]
Abstract
Bisphenol A (BPA) is a well-known endocrine-disrupting compound that causes several toxic effects on human and aquatic organisms. The restriction of BPA in several applications has increased the substituted toxic chemicals such as bisphenol F (BPF) and bisphenol S (BPS). A native tropical freshwater cladoceran, Moina micrura, was used as a bioindicator to assess the adverse effects of bisphenol analogues at molecular, organ, individual and population levels. Bisphenol analogues significantly upregulated the expressions of stress-related genes, which are the haemoglobin and glutathione S-transferase genes, but the sex determination genes such as doublesex and juvenile hormone analogue genes were not significantly different. The results show that bisphenol analogues affect the heart rate and mortality rate of M. micrura. The 48-h lethal concentration (LC50) values based on acute toxicity for BPA, BPF and BPS were 611.6 µg L-1, 632.0 µg L-1 and 819.1 µg L-1, respectively. The order of toxicity based on the LC50 and predictive non-effect concentration values were as follows: BPA > BPF > BPS. Furthermore, the incorporated method combining the responses throughout the organisation levels can comprehensively interpret the toxic effects of bisphenol analogues, thus providing further understanding of the toxicity mechanisms. Moreover, the output of this study produces a comprehensive ecotoxicity assessment, which provides insights for the legislators regarding exposure management and mitigation of bisphenol analogues in riverine ecosystems.
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Affiliation(s)
- Muhammad Raznisyafiq Razak
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia
| | - Ahmad Zaharin Aris
- Department of Environment, Faculty of Forestry and Environment, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia.
- International Institute of Aquaculture and Aquatic Sciences, Universiti Putra Malaysia, 71050, Port Dickson, Negeri Sembilan, Malaysia.
| | - Fatimah Md Yusoff
- International Institute of Aquaculture and Aquatic Sciences, Universiti Putra Malaysia, 71050, Port Dickson, Negeri Sembilan, Malaysia
- Department of Aquaculture, Faculty of Agriculture, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia
| | - Zetty Norhana Balia Yusof
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia
- Institute of Bioscience, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia
| | - Aisamuddin Ardi Zainal Abidin
- Department of Biochemistry, Faculty of Biotechnology and Biomolecular Science, Universiti Putra Malaysia (UPM), 43400, Serdang, Selangor, Malaysia
| | - Sang Don Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61005, Republic of Korea
| | - Kyoung Woong Kim
- School of Earth Sciences and Environmental Engineering, Gwangju Institute of Science and Technology, 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61005, Republic of Korea
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Morais H, Arenas F, Cruzeiro C, Galante-Oliveira S, Cardoso PG. Combined effects of climate change and environmentally relevant mixtures of endocrine disrupting compounds on the fitness and gonads' maturation dynamics of Nucella lapillus (Gastropoda). MARINE POLLUTION BULLETIN 2023; 190:114841. [PMID: 36965267 DOI: 10.1016/j.marpolbul.2023.114841] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 03/10/2023] [Accepted: 03/14/2023] [Indexed: 06/18/2023]
Abstract
Coastal areas are affected by multiple stressors like climate change and endocrine disruptors (EDCs). In the laboratory, we investigated the combined effects of increased temperature and EDCs (drospirenone and mercury) on the fitness and gonads' maturation dynamics of the marine gastropod Nucella lapillus for 21 days. Survival was negatively affected by all the stressors alone, while, in combination, a synergistic negative effect was observed. Both chemicals, as single factors, did not cause any effect on the maturation stage of ovaries and testis. However, in the presence of a higher temperature, it was clear a delay in the maturation stage of the ovaries, but not in the testis, suggesting a higher negative impact of the stressors in females than in males. In summary, drospirenone caused a low negative impact in aquatic species, like gastropods, but in combination with other EDCs and/or increased temperature can be a matter of concern.
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Affiliation(s)
- H Morais
- CIIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal; Department of Biology, Faculty of Sciences, University of Porto, Porto, Portugal
| | - F Arenas
- CIIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal
| | - C Cruzeiro
- Helmholtz Zentrum München, German Research Center for Environmental Health, Germany
| | - S Galante-Oliveira
- CESAM & Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - P G Cardoso
- CIIMAR - Interdisciplinary Centre for Marine and Environmental Research, University of Porto, Matosinhos, Portugal.
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Zhao X, Wang Q, Li X, Xu H, Ren C, Yang Y, Xu S, Wei G, Duan Y, Tan Z, Fang Y. Norgestrel causes digestive gland injury in the clam Mactra veneriformis: An integrated histological, transcriptomics, and metabolomics study. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 871:162110. [PMID: 36764532 DOI: 10.1016/j.scitotenv.2023.162110] [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: 10/23/2022] [Revised: 01/13/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
The potential adverse effects of progestins on aquatic organisms, especially non-target species, are of increasing concern worldwide. However, the effect and mechanism of progestin toxicity on aquatic invertebrates remain largely unexplored. In the present study, clams Mactra veneriformis were exposed to norgestrel (NGT, 0, 10, and 1000 ng/L), the dominant progestin detected in the aquatic environment, for 21 days. NGT accumulation, histology, transcriptome, and metabolome were assessed in the digestive gland. The bioconcentration factor (BCF) was 386 and 268 in the 10 ng/L NGT group and 1000 ng/L NGT group, respectively, indicating efficient accumulation of NGT in the clams. Histological analysis showed that NGT led to the swelling of epithelial cells and blurring of the basement membrane in the digestive gland. Differentially-expressed genes and KEGG pathway enrichment analysis using a transcriptomic approach suggested that NGT primarily disturbed the detoxification system, antioxidant defense, carbohydrate and amino acid metabolism, and steroid hormone metabolism, which was consistent with the metabolites analyzed using a metabolomic approach. Furthermore, we speculated that the oxidative stress caused by NGT resulted in histological damage to the digestive gland. This study showed that NGT caused adverse effects in the clams and sheds light on the mechanisms of progestin interference in aquatic invertebrates.
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Affiliation(s)
- Xiaoran Zhao
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Qing Wang
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, PR China
| | - Xiangfei Li
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Hua Xu
- Yantai Ecological Environment Monitoring Center, Shandong Province, Yantai 264010, PR China
| | - Chuanbo Ren
- Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Yanyan Yang
- Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Research Institute, Yantai 264006, PR China
| | - Shuhao Xu
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Guoxing Wei
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Yujun Duan
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Zhitao Tan
- School of Agriculture, Ludong University, Yantai 264025, PR China
| | - Yan Fang
- School of Agriculture, Ludong University, Yantai 264025, PR China.
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Svigruha R, Prikler B, Farkas A, Ács A, Fodor I, Tapolczai K, Schmidt J, Bordós G, Háhn J, Harkai P, Kaszab E, Szoboszlay S, Pirger Z. Presence, variation, and potential ecological impact of microplastics in the largest shallow lake of Central Europe. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 883:163537. [PMID: 37075990 DOI: 10.1016/j.scitotenv.2023.163537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 05/03/2023]
Abstract
The presence of microplastics (MPs) in the global ecosystem has generated a rapidly growing concern worldwide. Although their presence in the marine environment has been well-studied, much less data are available on their abundance in freshwaters. MPs alone and in combination with different chemicals has been shown to cause acute and chronic effects on algae and aquatic invertebrate and vertebrate species at different biological levels. However, the combined ecotoxicological effects of MPs with different chemicals on aquatic organisms are still understudied in many species and the reported data are often controversial. In the present study, we investigated, for the first time, the presence of MPs in Lake Balaton, which is the largest shallow lake of Central Europe and an important summer holiday destination. Moreover, we exposed neonates of the well-established ecotoxicological model organism Daphnia magna to different MPs (polystyrene [3 μm] or polyethylene [≤ 100 μm]) alone and in combination with three progestogen compounds (progesterone, drospirenone, levonorgestrel) at an environmentally relevant concentration (10 ng L-1) for 21 days. The presence of 7 polymer types of MPs in the size range of 50-100 μm was detected in Lake Balaton. Similarly to the global trends, polypropylene and polyethylene MPs were the most common types of polymer. The calculated polymer-independent average particle number was 5.5 particles m-3 (size range: 50 μm - 100 μm) which represents the values detected in other European lakes. Our ecotoxicological experiments confirmed that MPs and progestogens can affect D. magna at the behavioral (body size and reproduction) and biochemical (detoxification-related enzyme activity) levels. The joint effects were negligible. The presence of MPs may lead to reduced fitness in the aquatic biota in freshwaters such as Lake Balaton, however, the potential threat of MPs as vectors for progestogens may be limited.
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Affiliation(s)
- Réka Svigruha
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), 8237 Tihany, Hungary
| | - Bence Prikler
- Eurofins-Wessling Hungary Ltd, 1045 Budapest, Hungary; Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary
| | - Anna Farkas
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), 8237 Tihany, Hungary
| | - András Ács
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), 8237 Tihany, Hungary
| | - István Fodor
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), 8237 Tihany, Hungary
| | - Kálmán Tapolczai
- Aquatic Botany and Microbial Ecology Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), 8237 Tihany, Hungary
| | - János Schmidt
- Institute of Biochemistry and Medical Chemistry, Medical School, University of Pécs, 7624 Pécs, Hungary
| | - Gábor Bordós
- Eurofins-Wessling Hungary Ltd, 1045 Budapest, Hungary
| | - Judit Háhn
- Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary
| | - Péter Harkai
- Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary
| | - Edit Kaszab
- Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary
| | - Sándor Szoboszlay
- Institute of Aquaculture and Environmental Safety, Hungarian University of Agriculture and Life Sciences, 2100 Gödöllő, Hungary
| | - Zsolt Pirger
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), 8237 Tihany, Hungary.
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Xu S, Wang W, Xu B, He X, Chen Z, Zhao X, Zhang Y, Zhou S, Fang Y, Wang Q. In vitro exposure to environmentally relevant concentrations of norgestrel affects sperm physiology and reproductive success of the Pacific oyster Crassostrea gigas. MARINE ENVIRONMENTAL RESEARCH 2023; 186:105938. [PMID: 36870161 DOI: 10.1016/j.marenvres.2023.105938] [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: 01/13/2023] [Revised: 02/24/2023] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
Progestins in aquatic environments are of increasing concern, as shown by the results of toxicological studies on adult invertebrates with external fertilization. However, their potential effects on the gametes and reproductive success of such animals remain largely unknown. Thus, the current study assessed the effect of in vitro exposure of environmentally relevant concentrations (10 ng/L and 1000 ng/L) of norgestrel (NGT) on the sperm of Pacific oyster Crassostrea gigas, analyzing sperm motility, ultrastructure, mitochondrial function, ATP status, characteristic enzyme activities, and DNA integrity underlying fertilization and hatching success. The results showed that NGT increased the percentage of motile sperm by elevating intracellular Ca2+ levels, Ca2+-ATPase activity, creatine kinase activity, and ATP content. Although superoxide dismutase activity was enhanced to eliminate reactive oxygen species generated by NGT, oxidative stress occurred, as indicated by the increase in malonaldehyde content and damage to plasma membranes and DNA. As a consequence, fertilization rates decreased. However, hatching rates did not alter significantly, possibly as a result of DNA repair processes. This study demonstrates oyster sperm as a useful, sensitive tool for toxicological research of progestins and provides ecologically relevant information on reproductive disturbance in oysters resulting from exposure to NGT.
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Affiliation(s)
- Shuhao Xu
- School of Agriculture, Ludong University, Yantai, 264025, PR China
| | - Weijun Wang
- School of Agriculture, Ludong University, Yantai, 264025, PR China
| | - Bingqing Xu
- Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Research Institute, Yantai, 264006, PR China
| | - Xin He
- Shandong Provincial Key Laboratory of Restoration for Marine Ecology, Shandong Marine Resource and Environment Research Institute, Yantai, 264006, PR China
| | - Zhixu Chen
- School of Agriculture, Ludong University, Yantai, 264025, PR China
| | - Xiaoran Zhao
- School of Agriculture, Ludong University, Yantai, 264025, PR China
| | - Yifei Zhang
- School of Agriculture, Ludong University, Yantai, 264025, PR China
| | - Shuyu Zhou
- School of Agriculture, Ludong University, Yantai, 264025, PR China
| | - Yan Fang
- School of Agriculture, Ludong University, Yantai, 264025, PR China.
| | - Qing Wang
- Research and Development Center for Efficient Utilization of Coastal Bioresources, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai, 264003, PR China.
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Somogyvári D, Farkas A, Mörtl M, Győri J. Behavioral and biochemical alterations induced by acute clothianidin and imidacloprid exposure in the killer shrimp, Dikerogammarus villosus. Comp Biochem Physiol C Toxicol Pharmacol 2022; 261:109421. [PMID: 35908639 DOI: 10.1016/j.cbpc.2022.109421] [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: 06/07/2022] [Revised: 07/18/2022] [Accepted: 07/24/2022] [Indexed: 11/03/2022]
Abstract
Neonicotinoids are widely used insecticides around the world and are preserved permanently in soils and appear in surface waters posing an increased threat to ecosystems. In the present study, we exposed adult specimens of amphipod Dikerogammarus villosus to environmentally relevant and higher concentrations of two widely used agricultural neonicotinoids, clothianidin (CLO) and imidacloprid (IMI), for 2 days. The acute effects were investigated at the behavioral (immobility time and swimming activity) and biochemical (glutathione S-transferase [GST] and acetylcholine esterase [AchE] activity) levels. All CLO concentrations used (64 nM, 128 nM, 192 nM) significantly decreased the immobility time and swimming activity. In the case of IMI, the immobility time decreased significantly only at the highest concentration applied (977 nM), but the distance travelled by the animals significantly decreased even at lower concentrations (78 nM and 313 nM). The GST enzyme activity did not change in the CLO-treated groups, however, the 626 nM and 977 nM IMI concentrations significantly increased the GST activity. Similarly, to the behavioral level, all CLO concentrations significantly decreased the AchE activity. In contrast, IMI has a significant stimulating effect on the AchE activity at the 313 nM, 626 nM, and 977 nM concentrations. Based on the authors' best knowledge, this is the first study to investigate the effects of CLO and IMI at environmentally-relevant concentrations on D. villosus. Our findings contribute to the understanding of the physiological effects of neonicotinoids.
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Affiliation(s)
- Dávid Somogyvári
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), Klebelsberg Kuno u. 3, H-8237 Tihany, Hungary; National Laboratory for Water Science and Water Safety, Balaton Limnological Research Institute, Tihany, Hungary; Research Group of Limnology, Centre of Natural Sciences, University of Pannonia, 8200, Hungary.
| | - Anna Farkas
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), Klebelsberg Kuno u. 3, H-8237 Tihany, Hungary; National Laboratory for Water Science and Water Safety, Balaton Limnological Research Institute, Tihany, Hungary
| | - Mária Mörtl
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, Budapest, Hungary
| | - János Győri
- Ecophysiological and Environmental Toxicological Research Group, Balaton Limnological Research Institute, Eötvös Loránd Research Network (ELKH), Klebelsberg Kuno u. 3, H-8237 Tihany, Hungary; National Laboratory for Water Science and Water Safety, Balaton Limnological Research Institute, Tihany, Hungary
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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: 4] [Impact Index Per Article: 2.0] [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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