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Serra L, Estienne A, Bongrani A, Ramé C, Caria G, Froger C, Jolivet C, Henriot A, Amalric L, Corbin E, Guérif F, Froment P, Dupont J. The epoxiconazole and tebuconazole fungicides impair granulosa cells functions partly through the aryl hydrocarbon receptor (AHR) signalling with contrasted effects in obese, normo-weight and polycystic ovarian syndrome (PCOS) patients. Toxicol Rep 2024; 12:65-81. [PMID: 38259722 PMCID: PMC10801249 DOI: 10.1016/j.toxrep.2023.12.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/24/2023] [Accepted: 12/27/2023] [Indexed: 01/24/2024] Open
Abstract
Polycystic ovarian syndrome (PCOS), frequently associated to obesity, is the main reproductive disorder in women in age to procreate. Some evidence suggests that pesticides can result in alterations of the female reproductive system, including polycystic ovary syndrome (PCOS). Here, we detected two fungicides, Tebuconazole (Tb) and Epoxiconazole (Epox) in the soils and waters of French area. Our hypothesis is that these two triazoles could be associated to the etiology of PCOS. We used the human KGN cell line and primary human granulosa cells (hGCs) from different group of patients: normal weight non PCOS (NW), normal weight PCOS (PCOS NW), obese (obese) and obese PCOS (PCOS obese). We exposed in vitro these cells to Tb and Epox from 0 up to 10 mM for 24 and 48 h and analysed cell viability and steroidogenesis. In hGCs NW, cell viability was reduced from 12.5 µM for Tb and 75 µM for Epox. In hGCs NW, Epox decreased progesterone (Pg) and estradiol (E2) secretions and inhibited STAR, HSD3B and CYP19A1 mRNA expressions from 25 µM and increased AHR mRNA expression from 75 µM. Tb exposure also reduced steroid secretion and STAR and CYP19A1 mRNA expressions and increased AHR mRNA expression but at cytotoxic concentrations. Silencing of AHR in KGN cells reduced inhibitory effects of Tb and Epox on steroid secretion. Tb and Epox exposure decreased more steroid secretion in hGCs from obese, PCOS NW and PCOS obese groups than in NW group. Moreover, we found a higher gene expression of AHR within these three groups. Taken together, both Epox and Tb reduced steroidogenesis in hGCs through partly AHR and Tb was more cytotoxic than Epox. These triazoles alter more strongly PCOS and/or obese hGCs suggesting that human with reproductive disorders are more sensitive to triazoles exposure.
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Affiliation(s)
- Loise Serra
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
| | - Anthony Estienne
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
| | - Alice Bongrani
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
| | - Christelle Ramé
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
| | - Giovanni Caria
- INRAE, Laboratoire d'Analyses des Sols, 273, rue de Cambrai, 62000 Arras, France
| | - Claire Froger
- INRAE Orléans - US 1106, Unité INFOSOL, Orléans, France
| | | | - Abel Henriot
- Division Laboratoires, BRGM, 3 Avenue Claude Guillemin, 45060 Orleans Cedex 2, France
| | - Laurence Amalric
- Division Laboratoires, BRGM, 3 Avenue Claude Guillemin, 45060 Orleans Cedex 2, France
| | - Emilie Corbin
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
| | - Fabrice Guérif
- Service de Médecine et Biologie de la Reproduction, CHRU de Tours, F-37044 Tours, France
| | - Pascal Froment
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
| | - Joëlle Dupont
- CNRS, IFCE, INRAE, University of Tours, PRC, F-37380 Nouzilly, France
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Teixeira-Fonseca JL, Souza DS, Conceição MRDL, Marques LP, Durço AO, Silva PLD, Joviano-Santos JV, Santos-Miranda A, Roman-Campos D. In vivo tebuconazole administration impairs heart electrical function and facilitates the occurrence of dobutamine-induced arrhythmias: involvement of reactive oxygen species. Food Chem Toxicol 2024; 187:114596. [PMID: 38556154 DOI: 10.1016/j.fct.2024.114596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/07/2024] [Accepted: 03/12/2024] [Indexed: 04/02/2024]
Abstract
Tebuconazole (TEB), a widely used pesticide in agriculture to combat fungal infections, is commonly detected in global food, potable water, groundwater, and human urine samples. Despite its known in vivo toxicity, its impact on heart function remains unclear. In a 28-day study on male Wistar rats (approximately 100 g), administering 10 mg/kg/day TEB or a vehicle (control) revealed no effect on body weight gain or heart weight, but an increase in the infarct area in TEB-treated animals. Notably, TEB induced time-dependent changes in in vivo electrocardiograms, particularly prolonging the QT interval after 28 days of administration. Isolated left ventricular cardiomyocytes exposed to TEB exhibited lengthened action potentials and reduced transient outward potassium current. TEB also increased reactive oxygen species (ROS) production in these cardiomyocytes, a phenomenon reversed by N-acetylcysteine (NAC). Furthermore, TEB-treated animals, when subjected to an in vivo dobutamine (Dob) and caffeine (Caf) challenge, displayed heightened susceptibility to severe arrhythmias, a phenotype prevented by NAC. In conclusion, TEB at the no observed adverse effect level (NOAEL) dose adversely affects heart electrical function, increases arrhythmic susceptibility, partially through ROS overproduction, and this phenotype is reversible by scavenging ROS with NAC.
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Affiliation(s)
- Jorge Lucas Teixeira-Fonseca
- Laboratory of CardioBiology, Department of Biophysics, Paulista School of Medicine, Federal University of Sao Paulo, Brazil
| | - Diego Santos Souza
- Laboratory of Heart Biophysics, Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil
| | | | - Leisiane Pereira Marques
- Laboratory of CardioBiology, Department of Biophysics, Paulista School of Medicine, Federal University of Sao Paulo, Brazil
| | - Aimée Obolari Durço
- Laboratory of CardioBiology, Department of Biophysics, Paulista School of Medicine, Federal University of Sao Paulo, Brazil; Laboratory of Heart Biophysics, Department of Physiology, Federal University of Sergipe, São Cristóvão, Brazil
| | - Polyana Leal da Silva
- Laboratory of CardioBiology, Department of Biophysics, Paulista School of Medicine, Federal University of Sao Paulo, Brazil
| | - Julliane V Joviano-Santos
- Postgraduate Program in Health Sciences, Faculdade Ciências Médicas de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil; Laboratório de Investigações NeuroCardíacas, Ciências Médicas de Minas Gerais (LINC CMMG), Belo Horizonte, Minas Gerais, Brazil
| | - Artur Santos-Miranda
- Department of Physiology and Biophysics, Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
| | - Danilo Roman-Campos
- Laboratory of CardioBiology, Department of Biophysics, Paulista School of Medicine, Federal University of Sao Paulo, Brazil.
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Wang Y, Zheng C, Qiu M, Zhang L, Fang H, Yu Y. Tebuconazole promotes spread of a multidrug-resistant plasmid into soil bacteria to form new resistant bacterial strains. Sci Total Environ 2024; 928:172444. [PMID: 38615769 DOI: 10.1016/j.scitotenv.2024.172444] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2024] [Revised: 04/07/2024] [Accepted: 04/10/2024] [Indexed: 04/16/2024]
Abstract
The development of antibiotic resistance threatens human and environmental health. Non-antibiotic stressors, including fungicides, may contribute to the spread of antibiotic resistance genes (ARGs). We determined the promoting effects of tebuconazole on ARG dissemination using a donor, Escherichia coli MG1655, containing a multidrug-resistant fluorescent plasmid (RP4) and a recipient (E. coli HB101). The donor was then incorporated into the soil to test whether tebuconazole could accelerate the spread of RP4 into indigenous bacteria. Tebuconazole promoted the transfer of the RP4 plasmid from the donor into the recipient via overproduction of reactive oxygen species (ROS), enhancement of cell membrane permeability and regulation of related genes. The dissemination of the RP4 plasmid from the donor to soil bacteria was significantly enhanced by tebuconazole. RP4 plasmid could be propagated into more genera of bacteria in tebuconazole-contaminated soil as the exposure time increased. These findings demonstrate that the fungicide tebuconazole promotes the spread of the RP4 plasmid into indigenous soil bacteria, revealing the potential risk of tebuconazole residues enhancing the dissemination of ARGs in soil environments.
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Affiliation(s)
- Yingnan Wang
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Conglai Zheng
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Mengting Qiu
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Luqing Zhang
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Hua Fang
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Yunlong Yu
- Institute of Pesticide and Environmental Toxicology, the Key Laboratory of Molecular Biology of Crop Pathogens and Insects, College of Agricultural and Biotechnology, Zhejiang University, Hangzhou 310058, China.
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Solano GSM, Andrioli NB. Genotoxic effects induced by iprodione and tebuconazole in meristematic cells of Allium cepa: responses dependent on concentration and exposure time. Environ Sci Pollut Res Int 2024; 31:17289-17298. [PMID: 38340299 DOI: 10.1007/s11356-024-32351-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 02/02/2024] [Indexed: 02/12/2024]
Abstract
The present work explores the genotoxicity of the fungicides iprodione (IP) and tebuconazole (TB) using the Allium cepa assay as an in vivo biological model. Both short-term and long-term exposures were studied, revealing concentration- and time-dependent cytological and genotoxic effects. IP exhibited genotoxicity over a wider concentration range (5-50 µg/ml) and required 30 h of exposure, while TB showed genotoxicity at higher concentrations (10 and 30 µg/ml) within a 4-h exposure period. The study highlights the importance of assessing potential risks associated with fungicide exposure, including handling, disposal practices, and concerns regarding food residue. Moreover, the research underscores the genotoxic effects of IP and TB on plant cells and provides valuable insights into their concentration and time-response patterns.
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Affiliation(s)
- Grace Stephany Mendoza Solano
- GIBE (Grupo de Investigación en Biología Evolutiva), Facultad de Ciencias Exactas Y Naturales, FCEyN-UBA, Ciudad Universitaria, Pabellón II, 4° Piso Laboratorios, 43-46, C1428EGA, Buenos Aires, Argentina
| | - Nancy Beatriz Andrioli
- GIBE (Grupo de Investigación en Biología Evolutiva), Facultad de Ciencias Exactas Y Naturales, FCEyN-UBA, Ciudad Universitaria, Pabellón II, 4° Piso Laboratorios, 43-46, C1428EGA, Buenos Aires, Argentina.
- Instituto de Ecología, Genética y Evolución de Buenos Aires (IEGEBA-CONICET), , Ciudad Universitaria, Pabellón II, 4° Piso Laboratorios, 43-46, C1428EGA, Buenos Aires, Argentina.
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Sevim C, Tsatsakis A, Taghizadehghalehjoughi A, Ozkaraca M, Kara M, Genc S, Mendil AS, Yeni Y, Nikolouzakis TK, Ozcagli E. Investigation of the miRNA levels changes to acceptable daily intake dose pesticide mixture exposure on rat mesentery and pancreas. Chemosphere 2024; 349:140712. [PMID: 38036224 DOI: 10.1016/j.chemosphere.2023.140712] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/12/2023] [Accepted: 11/12/2023] [Indexed: 12/02/2023]
Abstract
Consumers are constantly exposed to a variety of chemical mixtures as part of their everyday activities and lifestyle. Food, water and commercial products are only some examples of the possible ways people get exposed to these mixtures. However, following federal and local guidelines for risk assessment related to chemical exposure, risk analysis focuses on a single substance exposure scenario and not on a mixture, as in real life. Realizing the pronounced gap of this methodology, the real-life risk simulation scenario approach tries to address this problem by investigating the possible effect of long-term exposure to chemical mixtures closely resembling the actual circumstances of modern life. As part of this effort, this study aimed to identify the cumulative effects of pesticides belonging to different classes and commonly used commercial products on long-term exposure with realistic doses. Sprague Dawley rats were given a pesticide mix of active ingredients and formulation chemicals in a daily acceptable dose (ADI) and 10xADI for 90 days. Following thorough everyday documentation of possible side-effects, after 90 days all animals were sacrificed and their organs were examined. Exposure to pesticides particularly affects the miRNA levels at that point will provide us with more information about whether they can be potential biomarkers.
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Affiliation(s)
- Cigdem Sevim
- Deparment of Medical Pharmacology, Faculty of Medicine, Kastamonu University , 37200, Kastamonu, Turkey.
| | - Aristides Tsatsakis
- Department of Forensic Sciences and Toxicology, Faculty of Medicine, Crete University, 71003, Heraklion, Greece.
| | - Ali Taghizadehghalehjoughi
- Deparment of Medical Pharmacology, Faculty of Medicine, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.
| | - Mustafa Ozkaraca
- Deparment of Pathology, Faculty of Veterinary, Cumhuriyet University , 58070, Sivas, Turkey.
| | - Mehtap Kara
- Deparment of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University , 34116, Istanbul, Turkey.
| | - Sidika Genc
- Deparment of Medical Pharmacology, Faculty of Medicine, Bilecik Şeyh Edebali University, 11230, Bilecik, Turkey.
| | - Ali Sefa Mendil
- Deparment of Pathology, Faculty of Veterinary, Erciyes University , 38280, Kayseri, Turkey.
| | - Yesim Yeni
- Deparment of Medical Pharmacology, Faculty of Medicine, Turgut Özal University, 44210, Malatya, Turkey.
| | | | - Eren Ozcagli
- Deparment of Pharmaceutical Toxicology, Faculty of Pharmacy, Istanbul University , 34116, Istanbul, Turkey.
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Ku T, Hu J, Zhou M, Xie Y, Liu Y, Tan X, Guo L, Li G, Sang N. Cardiac energy metabolism disorder mediated by energy substrate imbalance and mitochondrial damage upon tebuconazole exposure. J Environ Sci (China) 2024; 136:270-278. [PMID: 37923437 DOI: 10.1016/j.jes.2022.10.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2022] [Revised: 10/12/2022] [Accepted: 10/12/2022] [Indexed: 11/07/2023]
Abstract
Tebuconazole exposure has been described as an increasing hazard to human health. An increasing number of recent studies have shown a positive association between tebuconazole exposure and cardiovascular disease risk, which is characterized by the reduction of adenosine triphosphate (ATP) synthesis. However, researches on the damage of tebuconazole exposure to energy metabolism and the related molecular mechanisms are limited. In the present study, male C57BL/6 mice were treated with tebuconazole at different low concentrations for 4 weeks. The results indicated that tebuconazole could accumulate in the heart and further induce the decrease of ATP content in the mouse heart. Importantly, tebuconazole induced an obvious shift in substrate utilization of fatty acid and glucose by disrupting their corresponding transporters (GLUT1, GLUT4, CD36, FABP3 and FATP1) expression, and significantly repressed the expression of mitochondrial biogenesis (Gabpa and Tfam) and oxidative phosphorylation (CS, Ndufa4, Sdhb, Cox5a and Atp5b) related genes in a dose-dependent manner. Further investigation revealed that these alterations were related to the IRS1/AKT and PPARγ/RXRα pathways. These findings contribute to a better understanding of triazole fungicide-induced cardiovascular disease by revealing the key indicators associated with this phenomenon.
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Affiliation(s)
- Tingting Ku
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Jindong Hu
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Mengmeng Zhou
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Yuanyuan Xie
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Yutong Liu
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Xin Tan
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Lin Guo
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Guangke Li
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China
| | - Nan Sang
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan 030006, China.
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Warsneski A, Bitschinski D, Rutkoski CF, Israel NG, Pereira Gonçalves GH, Lã L, Guerreiro F, Menta Giasson LO, Coelho de Albuquerque CA, Hasckel RP, Barbosa da Silva E, Alves TC, Alves de Almeida E. Fungicides from rice cultivation ( tebuconazole and azoxystrobin) alters biochemical and histological markers of hammertoad tadpoles (Boanafaber). Environ Pollut 2024; 341:122900. [PMID: 37952920 DOI: 10.1016/j.envpol.2023.122900] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/18/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023]
Abstract
Tebuconazole (TBZ) and azoxystrobin (AZX) are fungicides frequently used in rice cultivation. Despite protecting crops against fungal diseases, these compounds can contaminate the natural environments close to the crops, exerting negative effects on non-target organisms, the present study aimed to characterize the contamination by fungicides of a river that flows in an area dominated by rice cultivation in the north of the state of Santa Catarina, SC, Brazil. Concentrations of TBZ and AZX found in the field were used to evaluate their negative effects on development, biochemical biomarkers and histopatology of the liver of a native tadpole species, the hammerfrog (Boana faber). Tadpoles were exposed for 16 days to the lowest (1.20 μg/L) and highest (2.60 μg/L) concentration of TBZ, lowest (0.70 μg/L) and highest (1.60 μg/L) concentration of AZX, and the mix of both fungicides at lowest and highest concentration of each found in field analyses. Exposure to the lower TBZ concentration and both concentrations of the Mix accelerated the development of tadpoles. AZX caused an increase in the activities of glutathione S-transferase (GST), carboxylesterase (CbE) and glucose-6-phosphate dehydrogenase (G6PDH) in the liver, an increase in the levels of protein carbonyls (PC) in the liver and an increase in the activity of acetylcholinesterase (AChE) in muscle of tadpoles. TBZ, on the other hand, generated an increase in GST, G6PDH, PC and histopathological severity scores in liver and in muscle AChE activity. The effects were more intense in the groups exposed to the Mix of contaminants. No treatment altered brain AChE. The data showed that the fungicides from in rice cultivation found in natural aquatic environments around the crops pose risks to the health of the animals, compromising their metabolism and development.
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Affiliation(s)
- Aline Warsneski
- Environmental Engineering Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | - Daiane Bitschinski
- Biodiversity Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | - Camila Fátima Rutkoski
- Environmental Engineering Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | - Nicole Grasmuk Israel
- Environmental Engineering Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | | | - Luiza Lã
- Department of Natural Science, University of Blumenau, Blumenau, SC, Brazil
| | - Fernando Guerreiro
- Biodiversity Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | | | | | | | | | - Thiago Caíque Alves
- Environmental Engineering Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil
| | - Eduardo Alves de Almeida
- Environmental Engineering Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil; Biodiversity Post-Graduation Program, University of Blumenau, Blumenau, SC, Brazil; Department of Natural Science, University of Blumenau, Blumenau, SC, Brazil.
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Montaser AS, Abdelhameed RM, Shaheen TI. Formulating of the sustained release of Tebuconazole pesticide using chitosan aerogel reinforced NFC/CaCO 3 nanocomposite. Int J Biol Macromol 2024; 256:128419. [PMID: 38013080 DOI: 10.1016/j.ijbiomac.2023.128419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 11/19/2023] [Accepted: 11/23/2023] [Indexed: 11/29/2023]
Abstract
Chitosan-based aerogels were fabricated through utilizing of nanofibrillated cellulose (NFC)/CaCO3 composites. Chitosan aerogel and extra three aerogels loaded different concentrations of NFC/CaCO3 were investigated to explore their release efficiency of Tebuconazole pesticides. Results obtained from ATR-FTIR showed a remarkable decline of the characterized chitosan hydroxyl group peak prolonging with appearance of new peaks assigned to the inclusion of inorganic calcium element. Also, SEM images showed chitosan aerogel with regular porous structure increased by incorporation with of NFC/CaCO3 nanocomposite, while EDS affirmed the presence of calcium element rather pristine chitosan aerogel. In addition to this, the physical characterizations showed significant improvement in swelling properties for aerogels incorporated NFC/CaCO3 nanocomposite at low ratios. Chitosan aerogel reinforced NFC/CaCO3 nanocomposite exhibited benefit on loading and release efficiency of Tebuconazole. All samples showed accessibility to column release method with fastest release at low slow rate 2 mL/min as giving chance for diffusion and solubility of ingredient, while release increase as heat increase as result of pore expansion. In conclusion, chitosan aerogels incorporated calcium carbonate showed better-sustained release of Tebuconazole pesticides than pristine chitosan aerogel. The produced aerogels loaded NFC/CaCO3 nanocomposite could be promising for controlled release of pesticides at water-streams in agriculture sector.
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Affiliation(s)
- Ahmed S Montaser
- Department of Pretreatment and Finishing of Cellulosic Based Textiles, Textile Research and Technology Institute, National Research Centre, Scopus Affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza 12622, Egypt
| | - Reda M Abdelhameed
- Department of Applied Organic Chemistry, Chemical Industries Research Institute, National Research Centre, Dokki, Giza 12622, Egypt
| | - Tharwat I Shaheen
- Department of Pretreatment and Finishing of Cellulosic Based Textiles, Textile Research and Technology Institute, National Research Centre, Scopus Affiliation ID 60014618, 33 EL Buhouth St., Dokki, Giza 12622, Egypt.
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9
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Hýsková V, Jakl M, Jaklová Dytrtová J, Ćavar Zeljković S, Vrobel O, Bělonožníková K, Kavan D, Křížek T, Šimonová A, Vašková M, Kovač I, Račko Žufić A, Ryšlavá H. Antifungal triazoles affect key non-target metabolic pathways in Solanum lycopersicum L. plants. Ecotoxicol Environ Saf 2023; 268:115729. [PMID: 38000304 DOI: 10.1016/j.ecoenv.2023.115729] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 11/14/2023] [Accepted: 11/20/2023] [Indexed: 11/26/2023]
Abstract
Several 1,2,4-triazoles are widely used as systemic fungicides in agriculture because they inhibit fungal 14ɑ-demethylase. However, they can also act on many non-target plant enzymes, thereby affecting phytohormonal balance, free amino acid content, and adaptation to stress. In this study, tomato plants (Solanum lycopersicum L. var. 'Cherrola') were exposed to penconazole, tebuconazole, or their combination, either by foliar spraying or soil drenching, every week, as an ecotoxicological model. All triazole-exposed plants showed a higher content (1.7-8.8 ×) of total free amino acids than the control, especially free glutamine and asparagine were increased most likely in relation to the increase in active cytokinin metabolites 15 days after the first application. Conversely, the Trp content decreased in comparison with control (0.2-0.7 ×), suggesting depletion by auxin biosynthesis. Both triazole application methods slightly affected the antioxidant system (antioxidant enzyme activity, antioxidant capacity, and phenolic content) in tomato leaves. These results indicated that the tomato plants adapted to triazoles over time. Therefore, increasing the abscisic and chlorogenic acid content in triazole-exposed plants may promote resistance to abiotic stress.
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Affiliation(s)
- Veronika Hýsková
- Charles University, Faculty of Science, Department of Biochemistry, Prague 2, Czech Republic
| | - Michal Jakl
- Czech University of Life Sciences Prague, Faculty of Agrobiology, Food and Natural Resources, Department of Agroenvironmental Chemistry and Plant Nutrition, Prague-Suchdol, Czech Republic
| | - Jana Jaklová Dytrtová
- Charles University, Faculty of Physical Education and Sport, Sport Sciences-Biomedical Department, Prague 6, Czech Republic
| | - Sanja Ćavar Zeljković
- Centre of the Region Haná for Biotechnological and Agricultural Research, Department of Genetic Resources for Vegetables, Medicinal and Special Plants, Crop Research Institute, Olomouc, Czech Republic; Czech Advanced Technology and Research Institute, Palacký University, Olomouc, Czech Republic
| | - Ondřej Vrobel
- Centre of the Region Haná for Biotechnological and Agricultural Research, Department of Genetic Resources for Vegetables, Medicinal and Special Plants, Crop Research Institute, Olomouc, Czech Republic; Czech Advanced Technology and Research Institute, Palacký University, Olomouc, Czech Republic
| | - Kateřina Bělonožníková
- Charles University, Faculty of Science, Department of Biochemistry, Prague 2, Czech Republic
| | - Daniel Kavan
- Charles University, Faculty of Science, Department of Biochemistry, Prague 2, Czech Republic
| | - Tomáš Křížek
- Charles University, Faculty of Science, Department of Analytical Chemistry, Prague 2, Czech Republic
| | - Alice Šimonová
- Charles University, Faculty of Science, Department of Analytical Chemistry, Prague 2, Czech Republic
| | - Marie Vašková
- Charles University, Faculty of Science, Department of Biochemistry, Prague 2, Czech Republic
| | - Ishak Kovač
- Charles University, Faculty of Physical Education and Sport, Sport Sciences-Biomedical Department, Prague 6, Czech Republic
| | - Antoniana Račko Žufić
- Charles University, Faculty of Science, Department of Biochemistry, Prague 2, Czech Republic
| | - Helena Ryšlavá
- Charles University, Faculty of Science, Department of Biochemistry, Prague 2, Czech Republic.
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10
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Meng M, Zhai Z, Zhang Z, Kim J, Zhu Y. Metabolic pathway of tebuconazole by soil fungus Cunninghamella elegans ATCC36112. Antonie Van Leeuwenhoek 2023; 116:1385-1393. [PMID: 37843736 DOI: 10.1007/s10482-023-01894-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2023] [Accepted: 09/28/2023] [Indexed: 10/17/2023]
Abstract
Tebuconazole is the most widely used fungicide in agriculture. Due to its long half-life, tebuconazole residues can be found in the environment media such as in soil and water bodies. Here, the metabolic pathway of tebuconazole was studied in Cunninghamella elegans (C. elegans). Approximately 98% of tebuconazole was degraded within 7 days, accompanied by the accumulation of five metabolites. The structures of the metabolites were completely or tentatively identified by gas chromatography-mass spectrometry (GC-MS) and ultra-high performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS). To identify representative oxidative enzymes that may be involved in the metabolic process, treatment with piperonyl butoxide (PB) and methimazole (MZ) was performed. PB had a strong inhibitory effect on the metabolic reactions, while MZ had a weak inhibitory effect. The results suggest that cytochrome P450 (CYP) and flavin-dependent monooxygenase are involved in the metabolism of tebuconazole. Based on the results, we propose a metabolic pathway for the fungal metabolism of tebuconazole. Data are of interest to gain insight into the toxicological effects of tebuconazole and for tebuconazole bioremediation.
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Affiliation(s)
- Min Meng
- College of Plant Health and Medicine, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China
| | - Zhaochi Zhai
- College of Plant Health and Medicine, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China
| | - Zhenxing Zhang
- College of Plant Health and Medicine, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China
| | - Jeonghan Kim
- Department of Agricultural Biotechnology, Seoul National University, 599 Gwanak-Ro, Silim-Dong, Gwanak-Gu, Seoul, 151-742, Republic of Korea
| | - Yongzhe Zhu
- College of Chemistry and Pharmacy, Qingdao Agricultural University, Changcheng Rd, Chengyang, Qingdao City, 266-109, Shandong Province, China.
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11
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Li CF, Zhang YR, Tan ZC, Xu HJ, Liu CL. Enantioselective effect of the chiral fungicide tebuconazole on the microbiota community and antibiotic resistance genes in the soil and earthworm gut. Sci Total Environ 2023; 897:165381. [PMID: 37422227 DOI: 10.1016/j.scitotenv.2023.165381] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/20/2023] [Accepted: 07/05/2023] [Indexed: 07/10/2023]
Abstract
Tebuconazole, consisting of two enantiomers, has a high detectable rate in the soil. The residue of tebuconazole in the soil may cause risk to microbiota community. Antibiotic resistance genes (ARGs) are considered as emerging environmental contaminants, and they can be transferred vertically and horizontally between microbiota community in the soil. Until now, the enantioselective effect of tebuconazole on the microbiota community and ARGs in the soil and earthworm gut has remained largely unknown. Tebuconazole enantiomers showed different bioconcentration behaviors in earthworms. The relative abundances of bacteria belonging to Actinobacteriota, Crenarchaeota and Chloroflexi in R-(-)-tebuconazole-treated soil were higher than those in S-(+)-tebuconazole-treated soil at same concentrations. In the earthworm gut, bacteria belonging to Proteobacteria and Bacteroidota exhibited different relative abundances between the S-(+)-tebuconazole and R-(-)-tebuconazole treatments. The numbers and abundances of ARGs in the soil treated with fungicides were higher than those in the control. In earthworm gut, the diversities of ARGs in all treatments were higher than that in the control, and the relative abundances of Aminoglycoside, Chloramphenicol, Multidrug resistance genes and mobile genetic elements (MGEs) in R-(-)-tebuconazole-treated earthworm gut were higher than those in S-(+)-tebuconazole-treated earthworm gut. Most of ARGs showed a significantly positive correlation with MGEs. Based on network analysis, many ARGs may be carried by bacteria belonging to Bacteroidota and Proteobacteria. These results provide valuable information for understanding the enantioselective effect of tebuconazole on the microbiota community and ARGs.
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Affiliation(s)
- Chao-Feng Li
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China; Henan Engineering Research Center of Green Pesticide Creation & Intelligent Pesticide Residue Sensor Detection, Henan Institute of Science and Technology, Xinxiang 453003, Henan Province, China
| | - Yi-Rong Zhang
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China
| | - Zhen-Chao Tan
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China
| | - Hui-Juan Xu
- College of Resources and Environment, South China Agricultural University, Guangzhou 510642, China.
| | - Cheng-Lan Liu
- Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture & Key Laboratory of Bio-Pesticide Innovation and Application of Guangdong Province, South China Agricultural University, Wushan Road 483, Tianhe District, Guangzhou 510642, China.
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12
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Zhou HX, Cheng MH, Pan JL, Cui P, Song YQ, Yu Y, Cao J, Zha HG. Residues of sulfoxaflor and its metabolites in floral and extrafloral nectar from Hibiscus rosa-sinensis L. (Malvaceae) with or without co-application of tebuconazole. Pestic Biochem Physiol 2023; 196:105587. [PMID: 37945224 DOI: 10.1016/j.pestbp.2023.105587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/20/2023] [Accepted: 08/23/2023] [Indexed: 11/12/2023]
Abstract
Systemic pesticide exposure through nectar is a growing global concern linked to loss of insect diversity, especially pollinators. The insecticide sulfoxaflor and the fungicide tebuconazole are currently widely used systemic pesticides which are toxic to certain pollinators. However, their metabolisms in floral or extrafloral nectar under different application methods have not yet been well studied. Hibiscus rosa-sinensis was exposed to sulfoxaflor and tebuconazole via soil drenching and foliar spraying. Sulfoxaflor, tebuconazole, and their main metabolites in floral and extrafloral nectar, soil, and leaves were identified and quantified using liquid chromatography coupled with triple quadrupole mass spectrometry (LC-QqQ MS). The chemical compositions of unexposed and contaminated H. rosa-sinensis floral nectar or extrafloral nectar were compared using regular biochemical methods. The activities of two pesticide detoxifying enzymes, glutathione-s-transferase and nitrile hydratase, in H. rosa-sinensis nectar were examined using LC-MS and spectrophotometry. The floral nectar proteome of H. rosa-sinensis was analysed using high-resolution orbitrap-based MS/MS analysis to screen for sulfoxaflor and tebuconazole detoxifying enzymes. H. rosa-sinensis can absorb sulfoxaflor and tebuconazole through its roots or leaf surfaces and secrete them into floral nectar and extrafloral nectar. Both sulfoxaflor and tebuconazole and their major metabolites were present at higher concentrations in extrafloral nectar than in floral nectar. X11719474 was the dominant metabolite of sulfoxaflor in the nectars we studied. Compared with soil application, more sulfoxaflor and tebuconazole remained in their original forms in floral nectar and extrafloral nectar after foliar application. Sulfoxaflor and tebuconazole exposure did not modify the chemical composition of floral or extrafloral nectar. No active components, including proteins in the nectar, were detected to be able to detoxify sulfoxaflor.
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Affiliation(s)
- Hong-Xia Zhou
- College of Life and Environment Sciences, Huangshan University, Huangshan 245041, China
| | - Man-Huan Cheng
- Instrumental Analysis Centre, Huangshan University, Huangshan 245041, China
| | - Juan-Lin Pan
- College of Life and Environment Sciences, Huangshan University, Huangshan 245041, China
| | - Peng Cui
- Instrumental Analysis Centre, Huangshan University, Huangshan 245041, China
| | - Yue-Qin Song
- College of Life and Environment Sciences, Huangshan University, Huangshan 245041, China
| | - Ying Yu
- College of Life and Environment Sciences, Huangshan University, Huangshan 245041, China
| | - Jun Cao
- Yunnan Key Laboratory of Plant Reproductive Adaption and Evolutionary Ecology, Yunnan University, Kunming 650500, China
| | - Hong-Guang Zha
- College of Life and Environment Sciences, Huangshan University, Huangshan 245041, China.
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13
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Marques LP, Santos-Miranda A, Joviano-Santos JV, Teixeira-Fonseca JL, Alcântara FDS, Sarmento JO, Roman-Campos D. The fungicide tebuconazole modulates the sodium current of human Na V1.5 channels expressed in HEK293 cells. Food Chem Toxicol 2023; 180:113992. [PMID: 37633639 DOI: 10.1016/j.fct.2023.113992] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 08/09/2023] [Accepted: 08/16/2023] [Indexed: 08/28/2023]
Abstract
The fungicide Tebuconazole is a widely used pesticide in agriculture and may cause cardiotoxicity. In our present investigation the effect of Tebuconazole on the sodium current (INa) of human cardiac sodium channels (NaV1.5) was studied using a heterologous expression system and whole-cell patch-clamp techniques. Tebuconazole reduced the amplitude of the peak INa in a concentration- and voltage-dependent manner. At the holding potential of -120 mV the IC50 was estimated at 204.1 ± 34.3 μM, while at -80 mV the IC50 was 0.3 ± 0.1 μM. The effect of the fungicide is more pronounced at more depolarized potentials, indicating a state-dependent interaction. Tebuconazole caused a negative shift in the half-maximal inactivation voltage and delayed recovery from fast inactivation of INa. Also, it enhanced closed-state inactivation, exhibited use-dependent block in a voltage-dependent manner. Furthermore, Tebuconazole reduced the increase in late sodium current induced by the pyrethroid insecticide β-Cyfluthrin. These results suggest that Tebuconazole can interact with NaV1.5 channels and modulate INa. The observed effects may lead to decreased cardiac excitability through reduced INa availability, which could be a new mechanism of cardiotoxicity to be attributed to the fungicide.
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Affiliation(s)
- Leisiane Pereira Marques
- Laboratory of Cardiobiology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Artur Santos-Miranda
- Department of Physiology and Biophysics, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | | | - Jorge Lucas Teixeira-Fonseca
- Laboratory of Cardiobiology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Fabiana da Silva Alcântara
- Laboratory of Cardiobiology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Jaqueline Oliveira Sarmento
- Laboratory of Cardiobiology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil
| | - Danilo Roman-Campos
- Laboratory of Cardiobiology, Department of Biophysics, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brazil.
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14
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Tofan L, Niță V, Nenciu M, Coatu V, Lazăr L, Damir N, Vasile D, Popoviciu DR, Brotea AG, Curtean-Bănăduc AM, Avramescu S, Aonofriesei F. Multiple Assays on Non-Target Organisms to Determine the Risk of Acute Environmental Toxicity in Tebuconazole-Based Fungicides Widely Used in the Black Sea Coastal Area. Toxics 2023; 11:597. [PMID: 37505562 PMCID: PMC10385278 DOI: 10.3390/toxics11070597] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2023] [Revised: 07/02/2023] [Accepted: 07/05/2023] [Indexed: 07/29/2023]
Abstract
The widespread use of Tebuconazole-based fungicides in phytosanitary treatments on a wide range of crops, on the one hand, and the lack of official reports on the amount of fungicide residues in nearby water basins, on the other hand, may lead to uncontrolled and hazardous contamination of water sources used by the resident population, and to serious effects on the environment and public health. Our study explores the acute toxicological risk of this fungicide on various organisms, from bacteria and yeast to fish, using a battery of tests (standardized Toxkit microbiotests and acute semi-static tests). By investigating the interaction between Tebuconazole and bacteria and yeast organisms, we observed that Gram-negative bacteria displayed a strong tolerance for Tebuconazole, while Gram-positive bacteria and yeasts proved to be very sensitive. The fish experiment was conducted on Chelon auratus juveniles exposed to five concentrations of the fungicide Tebustar EW (Tebuconazole, 250 g/L as active substance). After 96 h of exposure, the LC50 for C. auratus was 1.13 mg/L. In the case of the Toxkit microbiotests' application, the following results were recorded: Spirodela polyrhiza EC50 = 2.204 mg/L (after 72 h exposure), Thamnocephalus platyurus EC50 = 0.115 mg/L (after 24 h), and Daphnia magna EC50 = 2.37 mg/L (after 24-48 h). With the exception of bacteria and yeast, the same response pattern was observed for all non-target species tested; the response range expressed by concentrations causing growth inhibition or mortality was small, ranging between very close values that are quite low, thereby demonstrating the high toxicity of Tebuconazole-based fungicides to the environment.
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Affiliation(s)
- Lucica Tofan
- Department of Natural Sciences, Faculty of Natural and Agricultural Sciences, Ovidius University of Constanța, 1 University Street, 900470 Constanța, Romania
| | - Victor Niță
- Marine Living Resources Department, National Institute for Marine Research and Development "Grigore Antipa", 300 Mamaia Blvd., 900581 Constanța, Romania
| | - Magda Nenciu
- Marine Living Resources Department, National Institute for Marine Research and Development "Grigore Antipa", 300 Mamaia Blvd., 900581 Constanța, Romania
| | - Valentina Coatu
- Chemical Oceanography and Marine Pollution Department, National Institute for Marine Research and Development "Grigore Antipa", 300 Mamaia Blvd., 900581 Constanța, Romania
| | - Luminița Lazăr
- Chemical Oceanography and Marine Pollution Department, National Institute for Marine Research and Development "Grigore Antipa", 300 Mamaia Blvd., 900581 Constanța, Romania
| | - Nicoleta Damir
- Chemical Oceanography and Marine Pollution Department, National Institute for Marine Research and Development "Grigore Antipa", 300 Mamaia Blvd., 900581 Constanța, Romania
| | - Daniela Vasile
- Department of Natural Sciences, Faculty of Natural and Agricultural Sciences, Ovidius University of Constanța, 1 University Street, 900470 Constanța, Romania
| | - Dan Răzvan Popoviciu
- Department of Natural Sciences, Faculty of Natural and Agricultural Sciences, Ovidius University of Constanța, 1 University Street, 900470 Constanța, Romania
| | - Alina-Giorgiana Brotea
- Department of Natural Sciences, Faculty of Natural and Agricultural Sciences, Ovidius University of Constanța, 1 University Street, 900470 Constanța, Romania
| | | | - Sorin Avramescu
- Department of Inorganic Chemistry, Organic Chemistry, Biochemistry and Catalysis, Faculty of Chemistry, University of Bucharest, 90 Șoseaua Panduri, 050663 Bucharest, Romania
- PROTMED Research Centre, University of Bucharest, 91-95 Splaiul Independenței, 050095 Bucharest, Romania
| | - Florin Aonofriesei
- Department of Natural Sciences, Faculty of Natural and Agricultural Sciences, Ovidius University of Constanța, 1 University Street, 900470 Constanța, Romania
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15
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Awwad MM, Taha SM, Khalil MMH, Salem AM, Chovelon JM. The simultaneous degradation of prochloraz and tebuconazole in water with monitoring their degradation products using liquid chromatography-tandem mass spectrometry. Environ Sci Pollut Res Int 2023:10.1007/s11356-023-28240-2. [PMID: 37351750 DOI: 10.1007/s11356-023-28240-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 06/10/2023] [Indexed: 06/24/2023]
Abstract
Prochloraz and tebuconazole are well-known fungicides for broad applications, including medical, industrial, and agricultural. They are frequently used simultaneously which increases the probability of their co-existing in various water sources. In this study, the analysis of PCZ or TBZ in water was performed by a direct analysis using the liquid chromatography-tandem mass spectrometry technique (LC-MS/MS). The optimized method was fully validated according to the European guidelines, SANTE/11312/2021. The complete degradation of these fungicides (each of 2 mg/L) in their single presence in the water was accomplished just after 15 min using 4.2 mM persulfate at 50 °C, while a lower concentration of persulfate (1.4 mM) leads to a degradation of prochloraz and tebuconazole, in their single existence in water, at percentages of 97 % and 98 %, respectively, after 30 min at 50 °C. On the other hand, it takes a complete hour to degrade a mixture of prochloraz and tebuconazole at percentages of 99 % and 94 %, respectively, using 1.4 mM persulfate at 50 °C. Degradation products (DPds) of prochloraz and tebuconazole, either in their single or simultaneous existing in water, were also identified and monitored during the whole degradation process by LC-MS/MS using at least two mass transitions for each DPd at both positive and negative ionization modes. It was elucidated that the persulfate degradation of prochloraz was conducted by the cleavage of the imidazole ring and the subsequent formation of a trichlorophenol, while persulfate degradation of tebuconazole was mainly accomplished by the formation of a hydroxyl structure, cleavage of the tert-butyl chain, and the subsequent formation of a ketone structure. Furthermore, a new DPd of tebuconazole (m/z = 263 Da) with a diketone structure was identified and confirmed.
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Affiliation(s)
- Mahmoud M Awwad
- Ministry of Agriculture and Land Reclamation, Agricultural Research Center, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, P.O. Box: 12311, Dokki, Giza, Egypt
| | - Sherif M Taha
- Ministry of Agriculture and Land Reclamation, Agricultural Research Center, Central Laboratory of Residue Analysis of Pesticides and Heavy Metals in Foods, P.O. Box: 12311, Dokki, Giza, Egypt.
| | - Mostafa M H Khalil
- Faculty of Science, Department of Analytical Chemistry, Ain Shams University, Cairo, Egypt
| | | | - Jean-Marc Chovelon
- Lyon University, CNRS-UMR 5256, IRCELYON, 2 avenue A. Einstein, F-69626 Villeurbanne cedex, Lyon, France
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16
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Xu Y, Zhang Y, Tao Q, Sun Q, Zheng Y, Yin D, Yang Y. A possible but unrecognized risk of acceptable daily intake dose triazole pesticides exposure-bile acid disturbance induced pharmacokinetic changes of oral medication. Chemosphere 2023; 322:138209. [PMID: 36822518 DOI: 10.1016/j.chemosphere.2023.138209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2023] [Revised: 02/18/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
Triazole antifungal pesticides work by inhibiting the activity of lanosterol-14-α-demethylase, a member of cytochrome P450 enzymes (CYPs), but this effect is non-specific. Bile acids (BAs) are important physical surfactants for lipids absorption in intestine, and synthesized by CYPs 7A1/27A1. Thus, we presume that triazole exposure might influence the therapeutic effect or safety of oral medication through disturbing the BAs pool, even though the exposure is under an acceptable daily intake (ADI) dose. Short- and long-term of ADI dose tebuconazole (TEB) exposure animal models were established through various routes, and statins with different hydrophilic and lipophilic properties were gavaged. It exhibited that the activity of CYP7A1/27A1 was indeed inhibited but the expression was up-regulated, the BAs pool was changed either the content and the composition, and the absorption behavior of statins with strong and medium degree of lipid-solubility were significantly changed. A series of experiments performed on models of intestinal mucus, Caco-2 cell monolayer and Caco-2/HT29 co-culture system revealed that the TEB-exposure induced BAs disturbance made impacts on drug absorption in many aspects, including drug solubility and the structure of intestinal barriers. This study suggests us to be more alert about the hazard of pesticides residues for elderly and chronically ill groups.
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Affiliation(s)
- Yujing Xu
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China
| | - Yufeng Zhang
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China
| | - Quan Tao
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China
| | - Quanwei Sun
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China
| | - Yuyu Zheng
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China
| | - Dengke Yin
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China; Anhui Provincial Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, 230012, China; Anhui Provincial Key Laboratory of Research & Development of Chinese Medicine, Hefei, 230012, China.
| | - Ye Yang
- School of Pharmacy, Anhui University of Chinese Medicine, 350 Longzihu Rd, Hefei, 230012, China; Anhui Provincial Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, 230012, China; Anhui Provincial Key Laboratory of Research & Development of Chinese Medicine, Hefei, 230012, China.
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17
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Hrynko I, Kaczyński P, Wołejko E, Łozowicka B. Impact of technological processes on tebuconazole reduction in selected cereal species and the primary cereal product, and dietary exposure assessment. Food Chem 2023; 422:136249. [PMID: 37137237 DOI: 10.1016/j.foodchem.2023.136249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 03/17/2023] [Accepted: 04/24/2023] [Indexed: 05/05/2023]
Abstract
Contamination of cereals with tebuconazole (TEB) can affect the dietary risk assessment. This study investigates, for the first time, how mechanical, thermal, physical-chemical, and biochemical processes affect the TEB level in wheat, rye, and barley. The biochemical process of malting was the most effective for tebuconazole reduction (by 86%) in cereals. Thermal processes were also effective, i.e., boiling (70%) and baking (55%). These processes considerably decreased the concentration of tebuconazole, and Procesing Factors (PFs) were from 0.10 to 0.18 (malting), 0.56 to 0.89 (boiling), and 0.44 to 0.45 (baking), respectively. The concentration of TEB was not reduced after the application of mechanical processing. The risk was estimated in dietary exposure assessment on the basis of the highest reported levels of tebuconazole residues bread. At a high level of rye bread consumption, the potential exposure to tebuconazole reached only 3.5% and 2.7% in children and adults, respectively.
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Affiliation(s)
- Izabela Hrynko
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Chelmonskiego 22, 15-195 Bialystok, Poland.
| | - Piotr Kaczyński
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Chelmonskiego 22, 15-195 Bialystok, Poland
| | - Elżbieta Wołejko
- Bialystok University of Technology, Department of Chemistry, Biology and Biotechnology, Faculty of Civil Engineering and Environmental Sciences, Wiejska 45, 15-351 Bialystok, Poland
| | - Bożena Łozowicka
- Institute of Plant Protection - National Research Institute, Laboratory of Food and Feed Safety, Chelmonskiego 22, 15-195 Bialystok, Poland
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18
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Miranda-Calixto A, Loera-Corral O, López-Pérez M, Figueroa-Martínez F. Improvement of Akanthomyces lecanii resistance to tebuconazole through UV-C radiation and selective pressure on microbial evolution and growth arenas. J Invertebr Pathol 2023; 198:107914. [PMID: 36958641 DOI: 10.1016/j.jip.2023.107914] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2022] [Revised: 03/13/2023] [Accepted: 03/16/2023] [Indexed: 03/25/2023]
Abstract
Tebuconazole (TEB) is a fungicide widely used in agriculture; however, its constant application has increased the emergence of resistant plant pathogenic fungal strains and reduced the effectiveness of fungi as biological control agents; for instance, the entomopathogenic and hyperparasitic fungus Akanthomyces lecanii, suitable for simultaneous biological control of insect pest and plant pathogenic fungi, is highly sensitive to fungicides. We carried out the induction of resistance to TEB in two wild type strains of A. lecanii by UV radiation and selective pressure in increasing fungicide gradients using a modified Microbial Evolution and Growth Arena (MEGA), to produce A. lecanii strains that can be used as biological control agent in the presence of tebuconazole. Nine UV-induced and three naturally adapted A. lecanii strains were resistant to TEB at the agriculturally recommended dose, and three irradiated strains were resistant to TEB concentration ten times higher; moreover, growth, sporulation rates, production of hydrolytic enzymes, and virulence against the hemipteran Coccus viridis, a major pest of coffee crops, were not affected in the TEB-resistant strains. These A. lecanii TEB-resistant strains would have a greater opportunity to develop and to establish themselves in fields where the fungicide is present and can be used in a combined biological-chemical strategy to improve insect and plant pathogenic fungal control in agriculture. Also, the selective pressure through modified MEGA plate methodology can be used for the adaptation of entomopathogenic filamentous fungi to withstand other chemical or abiotic stresses that limits its effectiveness for pest control.
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Affiliation(s)
- Arturo Miranda-Calixto
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Biotecnología, San Rafael Atlixco 186, Col. Vicentina, C. P. 09340 CDMX, Mexico
| | - Octavio Loera-Corral
- Universidad Autónoma Metropolitana-Iztapalapa, Departamento de Biotecnología, San Rafael Atlixco 186, Col. Vicentina, C. P. 09340 CDMX, Mexico
| | - Marcos López-Pérez
- Universidad Autónoma Metropolitana-Lerma Departamento de Ciencias Ambientales, Av. de las Garzas 10, El panteón, C. P. 52005 Lerma de Villada, Mexico
| | - Francisco Figueroa-Martínez
- CONACyT Research Fellow - Universidad Autónoma Metropolitana-Iztapalapa, San Rafael Atlixco 186, Col. Vicentina, C. P. 09340 CDMX, Mexico.
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19
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Andrioli NB, Nieves M, Poltronieri M, Bonzon C, Chaufan G. Genotoxic effects induced for sub-cytotoxic concentrations of tebuconazole fungicide in HEp-2 cell line. Chem Biol Interact 2023; 373:110385. [PMID: 36754225 DOI: 10.1016/j.cbi.2023.110385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/25/2023] [Accepted: 02/04/2023] [Indexed: 02/09/2023]
Abstract
Tebuconazole (TB) is an active ingredient in formulations applied to control of fungal diseases in plants and classified as a possible human carcinogen. In the present study, the sub-cytotoxic concentrations of TB were evaluated for genotoxicity response in HEp-2 cell line. The HEp-2 cell line was exposed to 20, 40, and 50 μg/mL of TB in the Cytokinesis-block micronucleus (CBMN) assay and 40, 60, and 80 μg/mL in the comet assay (CA). Both negative centromere micronuclei (MNC-) as DNA damage were induced by the concentrations of TB assayed, suggesting a mostly clastogenic effect. The results obtained from the comet assay suggest that part of the endogenous DNA damage in the HEp-2 cell line could be repaired in presence of low TB concentrations by promoting the damage response. In conclusion, exposition to sub-cytotoxic concentrations of TB induces genotoxicity in the HEp-2 cell line. Therefore, the safety of their application should be evaluated.
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Affiliation(s)
- Nancy B Andrioli
- GIBE (Grupo de Investigación en Biología Evolutiva), FCEyN-UBA, IEGEBA -CONICET (Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Instituto de Ecología, Genética y Evolución de Buenos Aires - Consejo de Investigaciones Científicas y Técnicas), Buenos Aires, Argentina.
| | - Mariela Nieves
- Centro de Investigaciones en Reproducción Humana y Experimental (CIRHE)-CEMIC, CONICET, A. Galván 4102, Subsuelo, Buenos Aires, Argentina
| | - Mariel Poltronieri
- IQUIBICEN-CONICET (Laboratorio de Enzimología Estrés y Metabolismo, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires - Consejo de Investigaciones Científicas y Técnicas), Buenos Aires, Argentina
| | - Chiara Bonzon
- IQUIBICEN-CONICET (Laboratorio de Enzimología Estrés y Metabolismo, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires - Consejo de Investigaciones Científicas y Técnicas), Buenos Aires, Argentina
| | - Gabriela Chaufan
- IQUIBICEN-CONICET (Laboratorio de Enzimología Estrés y Metabolismo, Departamento de Química Biológica, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires - Consejo de Investigaciones Científicas y Técnicas), Buenos Aires, Argentina
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20
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Podbielska M, Kus-Liśkiewicz M, Jagusztyn B, Szpyrka E. Effect of microorganisms on degradation of fluopyram and tebuconazole in laboratory and field studies. Environ Sci Pollut Res Int 2023; 30:47727-47741. [PMID: 36745346 PMCID: PMC10097794 DOI: 10.1007/s11356-023-25669-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Accepted: 01/28/2023] [Indexed: 02/07/2023]
Abstract
Nowadays, chemical pesticides are the most widespread measure used to control crop pests and diseases. However, their negative side effects prompted the researchers to search for alternative options that were safer for the environment and people. Pesticide biodegradation by microorganisms seems to be the most reasonable alternative. The aim of the laboratory studies was to assess the influence of Bacillus subtilis and Trichoderma harzianum, used separately and combined together, on fluopyram and tebuconazole degradation. In field studies, the degradation of fluopyram and tebuconazole after the application of the biological preparation in apples was investigated. The results from the laboratory studies show that the greatest decomposition of fluopyram and tebuconazole was observed in tests with T. harzianum in a range of 74.3-81.5% and 44.5-49.2%, respectively. The effectiveness of fluopyram degradation by B. subtilis was 7.5%, while tebuconazole inhibited bacterial cell growth and no degradation was observed. The mixture of microorganisms affected the degradation of fluopyram in a range of 8.3-24.1% and tebuconazole in a range of 6.1-23.3%. The results from the field studies show that degradation increased from 3.1 to 30.8% for fluopyram and from 0.4 to 14.3% for tebuconazole when compared to control samples. The first-order kinetics models were used to simulate the residue dissipation in apples. For the determination of pesticide residues, the QuEChERS method for apple sample preparation was performed, followed by GC-MS/MS technique. Immediately after the treatments, the maximum residue level (MRL) values for tebuconazole were exceeded, and it was equal to 100.7% MRL for the Red Jonaprince variety and 132.3% MRL for the Gala variety. Thus, preharvest time is recommended to obtain apples in which the concentration of pesticides is below the MRL and which can be recognized as safe for humans.
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Affiliation(s)
- Magdalena Podbielska
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszów, Pigonia 1, 35-310, Rzeszow, Poland.
| | - Małgorzata Kus-Liśkiewicz
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszów, Pigonia 1, 35-310, Rzeszow, Poland
| | - Bartosz Jagusztyn
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszów, Pigonia 1, 35-310, Rzeszow, Poland
| | - Ewa Szpyrka
- Department of Biotechnology, Institute of Biology and Biotechnology, University of Rzeszów, Pigonia 1, 35-310, Rzeszow, Poland
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21
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Wang H, Gai Y, Zhao Y, Wang M, Ma Z. The calcium-calcineurin and high-osmolarity glycerol pathways co-regulate tebuconazole sensitivity and pathogenicity in Fusarium graminearum. Pestic Biochem Physiol 2023; 190:105311. [PMID: 36740345 DOI: 10.1016/j.pestbp.2022.105311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/25/2022] [Accepted: 11/29/2022] [Indexed: 06/18/2023]
Abstract
The calcium-calcineurin and high-osmolarity glycerol (HOG) pathways play crucial roles in fungal development, pathogenicity, and in responses to various environmental stresses. However, interaction of these pathways in regulating fungicide sensitivity remains largely unknown in phytopathogenic fungi. In this study, we investigated the function of the calcium-calcineurin signalling pathway in Fusarium graminearum, the causal agent of Fusarium head blight. Inhibitors of Ca2+ and calcineurin enhanced antifungal activity of tebuconazole (an azole fungicide) against F. graminearum. Deletion of the putative downstream transcription factor FgCrz1 resulted in significantly increased sensitivity of F. graminearum to tebuconazole. FgCrz1-GFP was translocated to the nucleus upon tebuconazole treatment in a calcineurin-dependent manner. In addition, deletion of FgCrz1 increased the phosphorylation of FgHog1 in response to tebuconazole. Moreover, the calcium-calcineurin and HOG signalling pathways exhibited synergistic effect in regulating pathogenicity and sensitivity of F. graminearum to tebuconazole and multiple other stresses. RNA-seq data revealed that FgCrz1 regulated expression of a set of non-CYP51 genes that are associated with tebuconazole sensitivity, including multidrug transporters, membrane lipid biosynthesis and metabolism, and cell wall organization. Our findings demonstrate that the calcium-calcineurin and HOG pathways act coordinately to orchestrate tebuconazole sensitivity and pathogenicity in F. graminearum, which may provide novel insights in management of Fusarium disease.
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Affiliation(s)
- Huiyuan Wang
- State Key Laboratory of Rice Biology, Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
| | - Yunpeng Gai
- School of Grassland Science, Beijing Forestry University, Beijing 100083, China
| | - Youfu Zhao
- Irrigated Agriculture Research and Extension Center, Department of Plant Pathology, Washington State University, Prosser, WA 99350, USA
| | - Minhui Wang
- State Key Laboratory of Rice Biology, Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China.
| | - Zhonghua Ma
- State Key Laboratory of Rice Biology, Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Biotechnology, Zhejiang University, Hangzhou 310058, China
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22
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Martins CAH, Caliani I, D'Agostino A, Di Noi A, Casini S, Parrilli M, Azpiazu C, Bosch J, Sgolastra F. Biochemical responses, feeding and survival in the solitary bee Osmia bicornis following exposure to an insecticide and a fungicide alone and in combination. Environ Sci Pollut Res Int 2023; 30:27636-27649. [PMID: 36383317 PMCID: PMC9995414 DOI: 10.1007/s11356-022-24061-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Accepted: 11/02/2022] [Indexed: 06/16/2023]
Abstract
In agricultural ecosystems, bees are exposed to combinations of pesticides that may have been applied at different times. For example, bees visiting a flowering crop may be chronically exposed to low concentrations of systemic insecticides applied before bloom and then to a pulse of fungicide, considered safe for bees, applied during bloom. In this study, we simulate this scenario under laboratory conditions with females of the solitary bee, Osmia bicornis L. We studied the effects of chronic exposure to the neonicotinoid insecticide, Confidor® (imidacloprid) at a realistic concentration, and of a pulse (1 day) exposure of the fungicide Folicur® SE (tebuconazole) at field application rate. Syrup consumption, survival, and four biomarkers: acetylcholinesterase (AChE), carboxylesterase (CaE), glutathione S-transferase (GST), and alkaline phosphatase (ALP) were evaluated at two different time points. An integrated biological response (IBRv2) index was elaborated with the biomarker results. The fungicide pulse had no impact on survival but temporarily reduced syrup consumption and increased the IBRv2 index, indicating potential molecular alterations. The neonicotinoid significantly reduced syrup consumption, survival, and the neurological activity of the enzymes. The co-exposure neonicotinoid-fungicide did not increase toxicity at the tested concentrations. AChE proved to be an efficient biomarker for the detection of early effects for both the insecticide and the fungicide. Our results highlight the importance of assessing individual and sub-individual endpoints to better understand pesticide effects on bees.
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Affiliation(s)
- Cátia Ariana Henriques Martins
- Department of Agricultural and Food Sciences, Alma Mater Studiorum Università Di Bologna, Viale Fanin 42, 40127, Bologna, Italy
| | - Ilaria Caliani
- Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli 4, 53100, Siena, Italy
| | - Antonella D'Agostino
- Department of Management and Quantitative Studies, University of Naples Parthenope, Naples, Italy
| | - Agata Di Noi
- Department of Life Sciences, University of Siena, Via Mattioli, 4, 53100, Siena, Italy.
| | - Silvia Casini
- Department of Physical, Earth and Environmental Sciences, University of Siena, Via Mattioli 4, 53100, Siena, Italy
| | - Martina Parrilli
- Department of Agricultural and Food Sciences, Alma Mater Studiorum Università Di Bologna, Viale Fanin 42, 40127, Bologna, Italy
| | - Celeste Azpiazu
- Institute of Evolutionary Biology (CSIC-Universitat Pompeu Fabra), Passeig Marítim de La Barceloneta 37, 08003, Barcelona, Spain
- Universidad Politécnica de Madrid, 28040, Madrid, Spain
| | - Jordi Bosch
- CREAF, Universitat Autònoma de Barcelona, 08193, Barcelona, Bellaterra, Spain
| | - Fabio Sgolastra
- Department of Agricultural and Food Sciences, Alma Mater Studiorum Università Di Bologna, Viale Fanin 42, 40127, Bologna, Italy
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23
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Zhang N, Xu Y, Zhang Q, Zhao L, Zhu Y, Wu Y, Li Z, Yang W. Detection of fungicide resistance to fludioxonil and tebuconazole in Fusarium pseudograminearum, the causal agent of Fusarium crown rot in wheat. PeerJ 2023; 11:e14705. [PMID: 36721780 PMCID: PMC9884474 DOI: 10.7717/peerj.14705] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Accepted: 12/15/2022] [Indexed: 01/27/2023] Open
Abstract
Fusarium crown rot (FCR) on wheat is a soil-borne disease that affects the yield and quality of the produce. In 2020, 297 Fusarium pseudograminearum isolates were isolated from diseased FCR wheat samples from eight regional areas across Hebei Province in China. Baseline sensitivity of F. pseudograminearum to fludioxonil (0.0613 ± 0.0347 μg/mL) and tebuconazole (0.2328 ± 0.0840 μg/mL) were constructed based on the in vitro tests of 71 and 83 isolates, respectively. The resistance index analysis showed no resistance isolate to fludioxonil but two low-resistance isolates to tebuconazole in 2020. There was an increased frequency of resistant isolates from 2021 to 2022 based on the baseline sensitivity for tebuconazole. There was no cross-resistance between fludioxonil and tebuconazole. This study provides a significant theoretical and practical basis for monitoring the resistance of F. pseudograminearum to fungicides, especially the control of FCR.
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Affiliation(s)
- Na Zhang
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
| | - Yiying Xu
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
- Shangqiu Institute of Technology, Shangqiu, Henan, China
| | - Qi Zhang
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
| | - Le Zhao
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
| | - Yanan Zhu
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
| | - Yanhui Wu
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
| | - Zhen Li
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
| | - Wenxiang Yang
- College of Plant Protection, Hebei Agricultrual University, Baoding, Hebei, China
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24
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Chen Y, Yan D, Xu J, Xiong H, Luan S, Xiao C, Huang Q. The importance of selecting crystal form for triazole fungicide tebuconazole to enhance its botryticidal activity. Sci Total Environ 2023; 854:158778. [PMID: 36122714 DOI: 10.1016/j.scitotenv.2022.158778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 06/15/2023]
Abstract
The growing evidences of resistant fungi stimulate fully understanding tebuconazole regarding its crystal structure on fungicidal activity. In this study, the crystal structures of six technical tebuconazoles (BX, HH, JP, QZ, SJ, and YT) were characterized by using high-resolution X-ray powder diffraction and three-dimensional crystal structure modeling. A structure-activity relationship of the tebuconazoles on the susceptible (HLS and YJS) or resistant (XHR) Botrytis cinerea isolates was analyzed, the differential tricarboxylic acid (TCA) cycle metabolism was determined, and molecular docking with sterol 14α-demethylase (CYP51) was performed. The results showed that tebuconazole existed in three types of crystal forms: an overlapping-pair conformation, a side-by-side-pair conformation, and a parallel-pair conformation. QZ with the parallel-pair conformation and the minimum crystal cell volume exhibited a higher activity and a lower resistant level. XHR possessed a higher content of TCA cycle metabolites and phosphate than YJS, but the exposure to QZ significantly reduced the contents of citrate, isocitrate, α-ketoglutarate and oxaloacetate in XHR, as did the exposure to other technical tebuconazoles. Moreover, the point mutations F487L, G464S, and G443S altered the binding properties of chiral stereoscopic R-QZ with CYP51 protein. Especially the G443S mutation promoted a weak linking of R-QZ with LEU380 and TYR126, and greatly slashed the binding action at lower docking score. In conclusion, our results evidenced an efficient crystal conformation of tebuconazole to improve botryticidal activity and a potential adaptability of B. cinerea to tebuconazole inhibition in TCA cycle metabolism and CYP51 protein mutation.
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Affiliation(s)
- Yongjun Chen
- Shanghai Key Lab of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
| | - Dongmei Yan
- Shanghai Key Lab of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
| | - Jialin Xu
- Shanghai Key Lab of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
| | - Hui Xiong
- Shanghai Key Lab of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China
| | - Shaorong Luan
- School of Chemistry & Molecular Engineering, East China University of Science and Technology, Shanghai 200237, PR China.
| | - Ciying Xiao
- School of Biological Engineering, East China University of Science and Technology, Shanghai 200237, PR China
| | - Qingchun Huang
- Shanghai Key Lab of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, PR China.
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25
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Angelier F, Prouteau L, Brischoux F, Chastel O, Devier MH, Le Menach K, Martin S, Mohring B, Pardon P, Budzinski H. High contamination of a sentinel vertebrate species by azoles in vineyards: a study of common blackbirds (Turdus merula) in multiple habitats in western France. Environ Pollut 2023; 316:120655. [PMID: 36410596 DOI: 10.1016/j.envpol.2022.120655] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 10/25/2022] [Accepted: 11/11/2022] [Indexed: 06/16/2023]
Abstract
Azoles represent the most used family of organic fungicides worldwide and they are used in agriculture to circumvent the detrimental impact of fungi on yields. Although it is known that these triazoles can contaminate the air, the soil, and the water, field data are currently and dramatically lacking to assess if, and to what extent, the use of triazoles could contaminate non-target wild vertebrate species, notably in agroecosystems. In this study, we aimed to document for the first time the degree of blood contamination of a generalist wild bird species by multiple azoles which are used for plant protection and fungi pest control in various habitats. We deployed passive air samplers and captured 118 Common blackbirds (Turdus merula) in an agroecosystem (vineyard), a protected forest, and a city in western France. We collected blood and analyzed the plasma levels of 13 triazoles and 2 imidazoles. We found that a significant percentage of blackbirds living in vineyards have extremely high plasma levels of multiple azoles (means (pg.g-1); tebuconazole: 149.23, difenoconazole: 44.27, fenbuconazole: 239.38, tetraconazole: 1194.16), while contamination was very limited in the blackbirds from the protected forest and absent in urban blackbirds. Interestingly, we also report that the contamination of blackbirds living in vineyard was especially high at the end of Spring and the beginning of Summer and this matches perfectly with the results from the passive air samplers (i.e., high levels of azoles in the air of vineyards during June and July). However, we did not find any correlation between the levels of plasma contamination by azoles and two simple integrative biomarkers of health (feather density and body condition) in this sentinel species. Future experimental studies are now needed to assess the potential sub-lethal effects of such levels of contamination on the physiology of non-target vertebrate species.
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Affiliation(s)
- Frédéric Angelier
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France.
| | - Louise Prouteau
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France; Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - François Brischoux
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France
| | - Olivier Chastel
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France
| | | | - Karyn Le Menach
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Stéphan Martin
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Bertille Mohring
- Centre D'Etudes Biologiques de Chizé, CNRS-LRU, UMR 7372, Villiers en Bois, 79360, France; Environmental and Marine Biology, Åbo Akademi University, FI-20250, Turku, Finland
| | - Patrick Pardon
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
| | - Hélène Budzinski
- Université de Bordeaux, CNRS, EPOC, EPHE, UMR 5805, F-33600, Pessac, France
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26
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Queirós L, Aguiar N, Pereira P, Gonçalves FJM, Alves A, Pereira JL. Recommended rates of azoxystrobin and tebuconazole seem to be environmentally safe but ineffective against target fungi. Ecotoxicology 2023; 32:102-113. [PMID: 36650308 PMCID: PMC9883303 DOI: 10.1007/s10646-023-02619-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
The use of fungicides in agriculture has been playing a role in the enhancement of agricultural yields through the control of pathogens causing serious diseases in crops. Still, adverse environmental and human health effects resulting from its application have been reported. In this study, the possibility of readjusting the formulation of a commercial product combining azoxystrobin and tebuconazole (active ingredients - AIs; Custodia®) towards environmentally safer alternative(s) was investigated. Specifically, the sensitivity of non-target aquatic communities to each AI was first evaluated by applying the Species Sensitivity Distributions (SSDs) approach. Then, mixtures of these AIs were tested in a non-target organism (Raphidocelis subcapitata) denoting sensitivity to both AIs as assessed from SSDs. The resulting data supported the design of the last stage of this study, where mixtures of those AIs at equivalent vs. alternative ratios and rates as in the commercial formulation were tested against two target fungal species: Pyrenophora teres CBS 123929 and Rhynchosporium secalis CBS 110524. The comparison between the sensitivity of non-target aquatic species and the corresponding efficacy towards target fungi revealed that currently applied mixture and rates of these AIs are generally environmentally safe (antagonistic interaction; concentrations below the EC1 for R. subcapitata and generally below the HC5 for aquatic non-target communities), but ineffective against target organisms (maximum levels of inhibition of 70 and 50% in P. teres CBS 123929 and R. secalis CBS 110524, respectively). Results additionally suggest a potentiation of the effects of the AIs by the other formulants added to the commercial product at tested rates. Overall, this study corroborates that commercial products can be optimized during design stages based on a systematic ecotoxicological testing for ingredient interactions and actual efficacy against targets. This could be a valuable pathway to reduce environmental contamination during transition to a more sustainable agricultural production.
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Affiliation(s)
- Libânia Queirós
- Department of Biology, University of Aveiro, Aveiro, Portugal.
- CESAM (Centre for Environmental and Marine Studies), University of Aveiro, Aveiro, Portugal.
| | - Nuno Aguiar
- Department of Biology, University of Aveiro, Aveiro, Portugal
| | - Patrícia Pereira
- Department of Biology, University of Aveiro, Aveiro, Portugal
- CESAM (Centre for Environmental and Marine Studies), University of Aveiro, Aveiro, Portugal
| | - Fernando J M Gonçalves
- Department of Biology, University of Aveiro, Aveiro, Portugal
- CESAM (Centre for Environmental and Marine Studies), University of Aveiro, Aveiro, Portugal
| | - Artur Alves
- Department of Biology, University of Aveiro, Aveiro, Portugal
- CESAM (Centre for Environmental and Marine Studies), University of Aveiro, Aveiro, Portugal
| | - Joana Luísa Pereira
- Department of Biology, University of Aveiro, Aveiro, Portugal
- CESAM (Centre for Environmental and Marine Studies), University of Aveiro, Aveiro, Portugal
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27
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Zhao E, Xie A, Wang D, Du X, Liu B, Chen L, He M, Yu P, Jing J. Residue behavior and risk assessment of pyraclostrobin and tebuconazole in peppers under different growing conditions. Environ Sci Pollut Res Int 2022; 29:84096-84105. [PMID: 36264460 DOI: 10.1007/s11356-022-23469-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Accepted: 10/01/2022] [Indexed: 06/16/2023]
Abstract
This study evaluates the residue behavior and risks of pyraclostrobin and tebuconazole in peppers. An analytical method for the simultaneous determination of the concentration of these fungicides in peppers was developed using ultra-high performance liquid chromatography-triple quadrupole mass spectrometry. Pepper samples were extracted with acetonitrile and cleaned with primary secondary amine and graphitized carbon black. The average recoveries of pyraclostrobin and tebuconazole under three fortification levels were 86.7-101.4% and 81.7-104.4%, with relative standard deviations of 4.0-7.2% and 3.8-10.9%, respectively. The limit of quantification of both fungicides in peppers was 0.01 mg/kg. The terminal residue trial of 30% pyraclostrobin and tebuconazole suspension concentrate was investigated for samples cultivated in open fields and greenhouses. The results showed that the terminal residues of pyraclostrobin and tebuconazole in peppers were lower than the maximum residue limits established by GB 2763-2021 (0.5 mg/kg for pyraclostrobin and 2 mg/kg for tebuconazole). The results of a statistical t-test indicated that there was no significant difference between samples grown in open fields and greenhouses. According to the international estimate of short-term intake (IESTI) calculation model, provided by the Joint FAO/WHO Meeting on Pesticide Residues, the acute dietary exposure risk of both fungicides in peppers was acceptable for the general population, with an IESTI of 0-3% and 0-5% of the acute reference dose for pyraclostrobin and tebuconazole, respectively.
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Affiliation(s)
- Ercheng Zhao
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Anqi Xie
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Dong Wang
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Xiaoying Du
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Bingjie Liu
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Li Chen
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Min He
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Pingzhong Yu
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China
| | - Junjie Jing
- Institute of Plant and Environment Protection, Beijing Academy of Agricultural and Forestry Sciences, Beijing, 100097, China.
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Šulc L, Janoš T, Figueiredo D, Ottenbros I, Šenk P, Mikeš O, Huss A, Čupr P. Pesticide exposure among Czech adults and children from the CELSPAC-SPECIMEn cohort: Urinary biomarker levels and associated health risks. Environ Res 2022; 214:114002. [PMID: 35940232 DOI: 10.1016/j.envres.2022.114002] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 07/04/2022] [Accepted: 07/25/2022] [Indexed: 05/27/2023]
Abstract
Current-use pesticides (CUP) are extensively applied in both agricultural and urban settings. Exposure occurs mainly via the dietary pathway; however, other pathways such as inhalation or skin contact are also important. In this study, urinary levels of 12 CUP metabolites were investigated among 110 parent-child pairs during two seasons of 2020. Metabolites of pyrethroids (3-PBA, t/c-DCCA), chlorpyrifos (TCPY), and tebuconazole (TEB-OH) were detected in more than 60% of the samples. Chlorpyrifos metabolite was found at the highest concentration and tebuconazole was detected in almost all samples. CUP urinary metabolite levels were significantly higher in children in comparison to adults, except for tebuconazole, which was similar in both groups. In children, winter samples had significantly higher concentrations of pyrethroid and chlorpyrifos metabolites in comparison to the summer samples, but in adults, only chlorpyrifos metabolite concentrations were higher in the winter. No association between CUP urinary metabolite levels and proximity/surface of agricultural areas around residences was observed. Based on our findings, we suspect that CUP exposure is mainly driven by diet and that the effect of environmental exposure is less significant. Daily Intakes were estimated with three possible scenarios considering the amount of the metabolite excreted in urine and were compared to Acceptable Daily Intake values. Using a realistic scenario, exposure to chlorpyrifos exhibited the highest health risk, but still within a safe level. The Acceptable Daily Intake was exceeded only in one child in the case of cypermethrin. The cumulative risk assessment of pesticide mixtures having an effect on the nervous system, based on the total margin of exposure calculations, did not indicate any risk. The overall risk associated with pesticide exposure in the observed population was low. However, the risk observed using the worst-case scenario suggests the need for continuous evaluation of human exposure to such compounds, especially in children.
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Affiliation(s)
- Libor Šulc
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno, Czech Republic
| | - Tomáš Janoš
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno, Czech Republic
| | - Daniel Figueiredo
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
| | - Ilse Ottenbros
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands; Center for Sustainability, Environment and Health, National Institute for Public Health and the Environment (RIVM), Bilthoven, Netherlands
| | - Petr Šenk
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno, Czech Republic
| | - Ondřej Mikeš
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno, Czech Republic
| | - Anke Huss
- Institute for Risk Assessment Sciences, Utrecht University, Utrecht, the Netherlands
| | - Pavel Čupr
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, Brno, Czech Republic.
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Zhao P, Cao L, Wang C, Zheng L, Li Y, Cao C, Huang Q. Metabolic pathways reveal the effect of fungicide loaded metal-organic frameworks on the growth of wheat seedlings. Chemosphere 2022; 307:135702. [PMID: 35842052 DOI: 10.1016/j.chemosphere.2022.135702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/29/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
Metal-organic frameworks (MOF) are an emerging class of hybrid inorganic-organic porous materials used in various fields, especially in molecule delivery system. As iron is an essential micronutrient for plant growth, iron-based MOF (Fe-MOF) is developed for agricultural application as fungicide carriers. However, fungicides may have various effect on the plant growth, which may be different from Fe-MOF. When they are combined with the carriers, the effects on target plants will change. In this work, tebuconazole-loaded Fe-MOF was prepared and used to treat wheat seedlings. The physiological, biochemical and metabolic levels of wheat roots and shoots were shown by a comparative study. Related metabolic pathways were analyzed by non-targeted metabolomic method. Many metabolites in wheat roots and shoots showed an upward trend after Fe-MOF treatment, but tebuconazole had a negative impact on these indicators. Related metabolic pathways in Fe-MOF and tebuconazole treatment were different, and the related pathway of tebuconazole-loaded Fe-MOF was closer to that of Fe-MOF. The metabolic pathways study revealed that the negative impact from tebuconazole was mitigated when wheat seedlings were treated with tebuconazole-loaded Fe-MOF. This research firstly explores the mechanism of MOF as carriers to help plant reduce the negative effects from fungicide by regulating metabolic pathways.
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Affiliation(s)
- Pengyue Zhao
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China
| | - Lidong Cao
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China
| | - Chaojie Wang
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China
| | - Li Zheng
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China
| | - Yuanyuan Li
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China
| | - Chong Cao
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China
| | - Qiliang Huang
- Key Laboratory of Integrated Pest Management in Crops, Ministry of Agriculture, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, No. 2 Yuanmingyuan West Road, Haidian District, Beijing, 100193, PR China.
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30
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Schanzer S, Koch M, Kiefer A, Jentke T, Veith M, Bracher F, Bracher J, Müller C. Analysis of pesticide and persistent organic pollutant residues in German bats. Chemosphere 2022; 305:135342. [PMID: 35714958 DOI: 10.1016/j.chemosphere.2022.135342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Revised: 06/09/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
Bats are strictly protected throughout Europe. They are a highly diverse order of mammals in terms of body size, body weight, migratory behaviour, trophic niche specialisation and habitat use. The latter ranges from urban areas and arable land to forest. Due to their low reproductive rate, environmental stressors can have a major impact on bat populations. Pesticides in particular are discussed as an important driver of bat population declines. In this work, we analysed nearly 400 animals of five different species (Eptesicus serotinus, Myotis myotis, Nyctalus noctula, Pipistrellus pipistrellus, and Plecotus auritus) from all over Germany for residues of 209 pesticides and persistent organic pollutants. Residue analysis was conducted with a previously developed method using a miniaturized quick, easy, cheap, effective, rugged and safe (QuEChERS) sample preparation and gas chromatography-tandem mass spectrometry for separation and detection. These analytical data were statistically correlated with the known data on the animals (e.g. age, sex, place and time of finding). Of 209 pesticides and pollutants investigated, 28 compounds were detected, the most frequent being organochlorine insecticides and polychlorinated biphenyls, which have been banned for decades by the Stockholm Convention on Persistent Organic Pollutants. Detection of more recent pesticides that were legally used for the last decade included azole antifungals and the insecticide fipronil. The bats contained between four and 25 different residues. Statistical data analyses showed that the distribution throughout Germany is largely comparable, and single exceptions were observed in specialized ecological niches. In conclusion, this work provides the largest dataset of pesticide and persistent organic pollutant residues in European bats to date.
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Affiliation(s)
- Sonja Schanzer
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians University Munich, Butenandtstraße 5-13, 81377, Munich, Germany
| | - Martin Koch
- Department of Biogeography, Trier University, Universitätsring 15, 54296, Trier, Germany
| | - Andreas Kiefer
- Department of Biogeography, Trier University, Universitätsring 15, 54296, Trier, Germany
| | - Thalia Jentke
- Zoological Research Museum Alexander Koenig, Leibniz Institute for Analysis of Biodiversity Change, Adenauerallee 127, 53113, Bonn, Germany
| | - Michael Veith
- Department of Biogeography, Trier University, Universitätsring 15, 54296, Trier, Germany
| | - Franz Bracher
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians University Munich, Butenandtstraße 5-13, 81377, Munich, Germany
| | - Johannes Bracher
- Chair of Statistics and Econometrics, Karlsruhe Institute of Technology, Blücherstraße 17, 76185, Karlsruhe, Germany; Computational Statistics Group, Heidelberg Institute for Theoretical Studies, Schloß-Wolfsbrunnenweg 35, 69118, Heidelberg, Germany
| | - Christoph Müller
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians University Munich, Butenandtstraße 5-13, 81377, Munich, Germany.
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Carena L, Scozzaro A, Romagnoli M, Pazzi M, Martone L, Minero C, Minella M, Vione D. Phototransformation of the fungicide tebuconazole, and its predicted fate in sunlit surface freshwaters. Chemosphere 2022; 303:134895. [PMID: 35568219 DOI: 10.1016/j.chemosphere.2022.134895] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Revised: 05/05/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
The fungicide tebuconazole (TBCZ) is expected to undergo negligible direct photolysis in surface freshwaters, but it can be degraded by indirect photochemistry. TBCZ mainly reacts with hydroxyl radicals and, to a lesser extent, with the triplet states of chromophoric dissolved organic matter (3CDOM*). Indirect photochemistry is strongly affected by environmental conditions, and TBCZ lifetimes of about one week are expected in sunlit surface waters under favourable circumstances (shallow waters with low concentrations of dissolved organic carbon, DOC, during summer). In these cases, the time trend would follow pseudo-first order kinetics (mono-exponential decay). Under less favourable conditions, photoinduced degradation would span over a few or several months, and TBCZ phototransformation would depart from an exponential trend because of seasonally changing sunlight irradiance. The TBCZ phototransformation products should be less toxic than their parent compound,thus photodegradation has potential to decrease the environmental impact of TBCZ. Hydroxylation is a major TBCZ transformation route, due to either OH attack, or one-electron oxidation sensitised by 3CDOM*, followed by reaction of the oxidised transient with oxygen and water.
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Affiliation(s)
- Luca Carena
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Andrea Scozzaro
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Monica Romagnoli
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Marco Pazzi
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Luca Martone
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Claudio Minero
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Marco Minella
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy
| | - Davide Vione
- Dipartimento di Chimica, Università degli Studi di Torino, Via Pietro Giuria 5, 10125, Torino, Italy.
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32
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Li H, Li Y, Song L, Cheng J, Ge J, Yu X, Sun W. Effects of tebuconazole application at different growth stages on rice grain quality of rice-based untargeted metabolomics. Chemosphere 2022; 303:134920. [PMID: 35588883 DOI: 10.1016/j.chemosphere.2022.134920] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 04/03/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Tebuconazole (TEB) is a pesticide widely used in crops and has a strong control effect on fungal pathogens. TEB abuse has caused many food safety problems. In this study, the TEB residue in rice and the effect of TEB on white rice quality were investigated. The results showed that under two spraying concentrations, the TEB residue in rice was 11.21-19.05 μg/kg and 24.45-31.12 μg/kg, and there was no food safety risk of pesticide residue. When applying TEB according to the instructions, no significant effect was found. However, when 3 times the recommended TEB concentration was used at the filling stage, the protein content of white rice decreased significantly from 106.52 mg/g to 80.72 mg/g. At the jointing,heading and filling stage, the amylose content of white rice decreased to 53.95 mg/g, 48.77 mg/g and 49.04 mg/g from the blank control group. Plant metabolic analysis using LC-QTOF/MS revealed that the amino acid-related metabolic pathways in white rice were significantly affected by TEB. This is closely related to the decrease in protein accumulation in white rice and the stress response of rice plants. The increase in pantothenic acid content in white rice indicated that the glycolysis pathway of white rice plants was affected, and the consumption of starch and sucrose increased, leading to the inhibition of amylose accumulation in white rice. The increase in soluble sugar content and decrease in phosphocholine content in white rice suggested that rice plants were affected by TEB exposure, which produced similar effects under drought stress.
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Affiliation(s)
- Haocong Li
- Jiangsu University, School of Food & Biology Engineering, Zhenjiang, 212013, Jiangsu, China; Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Agricultural Resources and the Environment, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Yong Li
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Agricultural Resources and the Environment, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Lixiao Song
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Agricultural Resources and the Environment, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Jinjin Cheng
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Agricultural Resources and the Environment, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Jing Ge
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Agricultural Resources and the Environment, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China
| | - Xiangyang Yu
- Jiangsu Key Laboratory for Food Quality and Safety-State Key Laboratory Cultivation Base of Ministry of Science and Technology, 50 Zhongling Street, Nanjing, 210014, China; Institute of Agricultural Resources and the Environment, Jiangsu Academy of Agricultural Sciences, 50 Zhongling Street, Nanjing, 210014, China.
| | - Wenjing Sun
- Jiangsu University, School of Food & Biology Engineering, Zhenjiang, 212013, Jiangsu, China.
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Shi W, Li S, Wang X, Li S, Zhang X, Hou F. An electrostatic self-assembly approach to prepare tebuconazole nanoparticles with improved sustained release and enhanced antifungal activity. Colloids Surf B Biointerfaces 2022; 216:112587. [PMID: 35617875 DOI: 10.1016/j.colsurfb.2022.112587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2022] [Revised: 05/16/2022] [Accepted: 05/17/2022] [Indexed: 11/26/2022]
Abstract
Compared with the traditional pesticides, the nanopesticides (NPs) exhibit better sustained release performance, higher utilization efficiency and reduction of environmental pollution. In this study, the antifungal tebuconazole (TEB) loaded nanoparticles (TEB NPs) were prepared by electrostatic self-assembly of the positively charged poly dimethyl diallyl ammonium chloride (PDADMAC) and sulfobutylether-β-cyclodextrin (SCD) inclusion complex (TEB-SCD) with negative charge. The water solubility and thermal stability of TEB were significantly improved after forming the inclusion complex. The blank NPs and TEB NPs were both characterized by particle size, zeta potential, scanning electron microscopy (SEM), sustained release and antifungal activity. The average particle size of the TEB NPs were 411.75 ± 61.65 nm, and the polydispersity index (PDI) showed low values (< 0.3). The TEB NPs were stable for at least 28 days at 25 °C. Compared with pure TEB, TEB NPs showed the sustained release properties. In addition, TEB NPs exhibited better antifungal activity than TEB industrial concentrate (TC, 98%) and commercially available TEB suspension concentrate (SC) with the 96.33 ± 13.52% antifungal rate of fusarium graminearum. The results indicated that the TEB NPs can improve the antifungal activity and reduce environmental pollution.
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Affiliation(s)
- Wenhui Shi
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China
| | - Shiqing Li
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China
| | - Xiaoyan Wang
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China
| | - Shujing Li
- Department of Chemistry, College of Chemistry and Materials Engineering, Beijing Technology and Business University, Beijing 100048, PR China.
| | - Xiaojun Zhang
- Sino-Agri Leading Biosciences Co., LTD., Beijing 100052, PR China.
| | - Fuding Hou
- Fujian Lord Biological Technology Co., LTD., Fujian 365300, PR China
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Ben Othmène Y, Monceaux K, Belhadef A, Karoui A, Ben Salem I, Boussabbeh M, Abid-Essefi S, Lemaire C. Triazole fungicide tebuconazole induces apoptosis through ROS-mediated endoplasmic reticulum stress pathway. Environ Toxicol Pharmacol 2022; 94:103919. [PMID: 35753672 DOI: 10.1016/j.etap.2022.103919] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 04/12/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
Tebuconazole (TEB) is a common triazole fungicide that has been widely applied in the treatment of fungal diseases. It is reported that TEB could exert harmful effects on mammals' health. However, the molecular mechanism involved in TEB toxicity remain undefined. Our study aimed to investigate the mechanisms of TEB-induced toxicity in intestinal cells. We found that TEB stimulates apoptosis through the mitochondrial pathway. Additionally, TEB triggers endoplasmic reticulum (ER) stress as demonstrated by the activation of the three arms of unfolded protein response (UPR). The incubation with the chemical chaperone 4-phenylbutyrate (4-PBA) alleviated ER stress and reduced TEB-induced apoptosis, suggesting that ER stress plays an important role in mediating TEB-induced toxicity. Furthermore, inhibition of ROS by N-acetylcysteine (NAC) inhibited TEB-induced ER stress and apoptosis. Taken together, these findings suggest that TEB exerts its toxic effects in HCT116 cells by inducing apoptosis through ROS-mediated ER stress and mitochondrial apoptotic pathway.
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Affiliation(s)
- Yosra Ben Othmène
- Laboratory for Research on Biologically Compatible Compounds, Faculty of Dentistry, Rue Avicenne, 5019 Monastir, Tunisia
| | - Kevin Monceaux
- Université Paris-Saclay, Inserm, UMR-S 1180, 92296 Châtenay-Malabry, France
| | - Anissa Belhadef
- Université Paris-Saclay, Inserm, UMR-S 1180, 92296 Châtenay-Malabry, France
| | - Ahmed Karoui
- Université Paris-Saclay, Inserm, UMR-S 1180, 92296 Châtenay-Malabry, France
| | - Intidhar Ben Salem
- Laboratory for Research on Biologically Compatible Compounds, Faculty of Dentistry, Rue Avicenne, 5019 Monastir, Tunisia; University of Sousse, Faculty of Medicine of Sousse, 4000, Tunisia
| | - Manel Boussabbeh
- Laboratory for Research on Biologically Compatible Compounds, Faculty of Dentistry, Rue Avicenne, 5019 Monastir, Tunisia
| | - Salwa Abid-Essefi
- Laboratory for Research on Biologically Compatible Compounds, Faculty of Dentistry, Rue Avicenne, 5019 Monastir, Tunisia.
| | - Christophe Lemaire
- Université Paris-Saclay, Inserm, UMR-S 1180, 92296 Châtenay-Malabry, France; Université Paris-Saclay, UVSQ, Inserm, UMR-S 1180, 92296 Châtenay-Malabry, France
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35
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Del Puerto O, Gonçalves NPF, Medana C, Prevot AB, Roslev P. Attenuation of toxicity and occurrence of degradation products of the fungicide tebuconazole after combined vacuum UV and UVC treatment of drinking water. Environ Sci Pollut Res Int 2022; 29:58312-58325. [PMID: 35364793 PMCID: PMC9395489 DOI: 10.1007/s11356-022-19691-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 03/09/2022] [Indexed: 06/10/2023]
Abstract
Antifungal azoles are the most frequently used fungicides worldwide and occur as active ingredients in many antifungal pharmaceuticals, biocides, and pesticides. Azole fungicides are frequent environmental contaminants and can affect the quality of surface waters, groundwater, and drinking water. This study examined the potential of combined vacuum UV (185 nm) and UVC (254 nm) irradiation (VUV/UVC) of the azole fungicide tebuconazole and the transformation product 1,2,4-trizole on degradation and changes in ecotoxicity. In vivo ecotoxicity was examined before and after UV treatment using bioassays with test organisms from different trophic levels to integrate changes in biological effect of the parent compound and the degradation products. The test battery included the luminescent bacterium Aliivibrio fischeri, the Gram-positive bacterium Bacillus subtilis, the fungus Fusarium graminearum, the green microalga Raphidocelis subcapitata, and the crustacean Daphnia magna. The combined VUV/UVC treatment of tebuconazole in drinking water efficiently degraded the parent compound at the µg/L-mg/L level and resulted in transformation products with lower toxicity than the parent compound. A direct positive correlation was observed between the applied UV dose (fluence, J/cm2), the disappearance of tebuconazole, and the decrease in ecotoxicity. The combined VUV/UVC process does not require addition of supplementary oxidants or catalysts and our study suggests that VUV/UVC-mediated photolysis of azole fungicides in water can decrease the overall toxicity and represent a potentially environmentally friendly treatment method.
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Affiliation(s)
- Oihane Del Puerto
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9200, Aalborg, Denmark
| | | | - Claudio Medana
- Dipartimento Di Biotechnologie Molecolari E Scienze Della Salute, Università Di Torino, Torino, Italy
| | | | - Peter Roslev
- Department of Chemistry and Bioscience, Aalborg University, Fredrik Bajers Vej 7H, 9200, Aalborg, Denmark.
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Chen W, Li K, Chen A, Luo X, Xiong H, Song Z, Zhang Y, Liu Y. Residue analysis and dietary risk assessment of tebuconazole in loquat and sugarcane after open-field application in China. J Environ Sci Health B 2022; 57:497-503. [PMID: 35548864 DOI: 10.1080/03601234.2022.2062984] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Tebuconazole is an effective but potentially carcinogenic fungicide. Tebuconazole residues in loquat and sugarcane were investigated, together with an analysis of their dietary risk. Solid-phase extraction and high-performance liquid chromatography-tandem mass spectrometry showed fortified recoveries of 87% to 98%, with standard deviations ≤ 6.4%. The tebuconazole residues were below 6.34 mg kg-1 for whole loquat and 0.80 mg kg-1 for sugarcane. Based on the final residue test, the chronic hazard index was 90.74% in whole loquat and sugarcane, while the acute hazard index ranged from 66.32% to 109.49% for loquat and 33.37% to 76.93% for sugarcane. The assessment of potential dietary risk showed that while loquats may represent an acute risk to human health, whereas sugarcane consumption was safe. A 21-day pre-harvest interval is proposed to comply with maximum residue limit regulations and the observed risks when using 430 g/L tebuconazole for treating sugarcane. These findings offer guidance for tebuconazole formulation and use.
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Affiliation(s)
- Wuying Chen
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
| | - Kailong Li
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
| | - Ang Chen
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
| | - Xiangwen Luo
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
| | - Hao Xiong
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
| | - Zengshou Song
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
| | - Ying Zhang
- Guizhou Institute of Plant Protection, Guizhou Academy of Agricultural Sciences, Guiyang, China
| | - Yong Liu
- Hunan Plant Protection Institute, Hunan Academy of Agricultural Science, Changsha, China
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Tripathy V, Sharma KK, Mohapatra S, Siddamallaiah L, Matadha NY, Patil CS, Saindane YS, Deore B, Rao CS, Parmar KD, Litoriya NS, Shah PG, Sharma K. Persistence evaluation of fluopyram + tebuconazole residues on mango and pomegranate and their risk assessment. Environ Sci Pollut Res Int 2022; 29:33180-33190. [PMID: 35022971 DOI: 10.1007/s11356-021-17993-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Accepted: 12/03/2021] [Indexed: 06/14/2023]
Abstract
The persistence of combination formulation of fluopyram 200 + tebuconazole 200-400 SC was evaluated across different agro-climates in India for the management of fungal diseases in two commercially important fruit crops, mango and pomegranate. The residues were extracted using quick easy cheap effective rugged and safe (QuEChERS) method and quantification was done on liquid chromatography-tandem mass spectrometry (LC-MS/MS). The fungicide degradation followed 1st-order kinetics and the half-lives were 2.9-6.4 days for mango, and 3.5-7.4 days for pomegranate for both the fungicides. On the basis of Organisation for Economic Co-operation and Development (OECD) maximum residue limit (MRL) calculation, 1.0 mg kg-1 MRL was obtained for fluopyram while for tebuconazole, it was 0.5 mg kg-1 on mango, at the pre-harvest interval (PHI) of 5 days. For pomegranate, the respective MRLs were 1.0 mg kg-1 and 0.7 mg kg-1 at PHI of 7 days. The dietary risk assessment study indicated that % acceptable daily intake (% ADI) and % acute reference dose (% ARfD) were much lower than 100; thus, the application of fluopyram and tebuconazole on mango and pomegranate is unlikely to present public health concern.
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Affiliation(s)
- Vandana Tripathy
- Project Coordinating Cell, Pesticide Residue Laboratory, All India Network Project On Pesticide Residues, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
| | - Krishan Kumar Sharma
- Project Coordinating Cell, Pesticide Residue Laboratory, All India Network Project On Pesticide Residues, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India.
| | - Soudamini Mohapatra
- Indian Institute of Horticultural Research (IIHR), All India Network Project On Pesticide Residues, Bangalore, Karnataka, India
| | - Lekha Siddamallaiah
- Indian Institute of Horticultural Research (IIHR), All India Network Project On Pesticide Residues, Bangalore, Karnataka, India
| | - Nagapooja Yogendraiah Matadha
- Indian Institute of Horticultural Research (IIHR), All India Network Project On Pesticide Residues, Bangalore, Karnataka, India
| | - Chidanand Shiveshankar Patil
- Mahatma Phule Krishi Vidyapeeth (MPKV), All India Network Project On Pesticide Residues, Rahuri, Maharashtra, India
| | - Yogesh Subhash Saindane
- Mahatma Phule Krishi Vidyapeeth (MPKV), All India Network Project On Pesticide Residues, Rahuri, Maharashtra, India
| | - Bhaidas Deore
- Mahatma Phule Krishi Vidyapeeth (MPKV), All India Network Project On Pesticide Residues, Rahuri, Maharashtra, India
| | - Cherukuri Sreenivasa Rao
- Professor Jayashankar Telangana State Agricultural University (PJTSAU), All India Network Project On Pesticide Residues, Rajendranagar, Telangana, India
| | - Kaushik D Parmar
- Anand Agricultural University (AAU), All India Network Project On Pesticide Residues, Anand, Gujarat, India
| | - Nitesh S Litoriya
- Anand Agricultural University (AAU), All India Network Project On Pesticide Residues, Anand, Gujarat, India
| | - Paresh G Shah
- Anand Agricultural University (AAU), All India Network Project On Pesticide Residues, Anand, Gujarat, India
| | - Khushbu Sharma
- Project Coordinating Cell, Pesticide Residue Laboratory, All India Network Project On Pesticide Residues, ICAR-Indian Agricultural Research Institute, New Delhi, 110 012, India
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Coremen M, Turkyilmaz IB, Us H, Us AS, Celik S, Ozel A, Bulan OK, Yanardag R. Lupeol inhibits pesticides induced hepatotoxicity via reducing oxidative stress and inflammatory markers in the rats. Food Chem Toxicol 2022; 164:113068. [PMID: 35483487 DOI: 10.1016/j.fct.2022.113068] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 04/13/2022] [Accepted: 04/20/2022] [Indexed: 01/11/2023]
Abstract
The present study was aimed at investigating the toxicity of various pesticides on rat liver. It also aimed to show whether this toxicity could be avoided using lupeol. Adult male Wistars albino rats were randomly divided into nine groups. Control groups were given saline, corn oil, and lupeol; pesticide groups were given malathion, chlorpyrifos, and tebuconazole; in the other three treatments, same doses of pesticides and lupeol were given to the rats for ten days. Histopathological examination showed severe degenerative changes in the pesticide groups. Serum AChE activities, liver GSH, total antioxidant capacity levels, AChE, CAT, SOD, GPx, GR, Na+/K+-ATPase, ARE, and PON were decreased, while serum TNF-α, liver LPO, HP, NO, AOPP, total oxidant status, ROS, and oxidative stress index levels as well as AST, ALT, ALP, GST, arginase and xanthine oxidase activities were increased in the pesticides administered groups. It was observed that the PCNA levels determined by the immunohistochemical method increased in the pesticide groups. Also, the results Raman spectroscopy suggest that the technique may be used to understand/have an insight into pesticide toxicity mechanisms. The administration of lupeol demonstrated a hepatoprotective effect against pesticide-induced toxicity.
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Affiliation(s)
- Melis Coremen
- Istanbul University, Faculty of Science, Department of Biology, Vezneciler, Istanbul, Turkey.
| | - Ismet Burcu Turkyilmaz
- Istanbul University-Cerrahpasa, Faculty of Engineering, Department of Chemistry, Avcılar, Istanbul, Turkey
| | - Huseyin Us
- Istanbul University, Faculty of Science, Department of Biology, Vezneciler, Istanbul, Turkey
| | - Ayca Sezen Us
- Istanbul University, Faculty of Science, Department of Biology, Vezneciler, Istanbul, Turkey
| | - Sefa Celik
- Istanbul University, Faculty of Science, Department of Physics Vezneciler, Istanbul, Turkey
| | - Ayşen Ozel
- Istanbul University, Faculty of Science, Department of Physics Vezneciler, Istanbul, Turkey
| | - Omur Karabulut Bulan
- Istanbul University, Faculty of Science, Department of Biology, Vezneciler, Istanbul, Turkey
| | - Refiye Yanardag
- Istanbul University-Cerrahpasa, Faculty of Engineering, Department of Chemistry, Avcılar, Istanbul, Turkey
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Vieira RSF, Venâncio CAS, Félix LM. Behavioural impairment and oxidative stress by acute exposure of zebrafish to a commercial formulation of tebuconazole. Environ Toxicol Pharmacol 2022; 91:103823. [PMID: 35123019 DOI: 10.1016/j.etap.2022.103823] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 01/17/2022] [Accepted: 01/31/2022] [Indexed: 06/14/2023]
Abstract
Tebuconazole is a systemic follicular fungicide known to cause diverse problems in non-target organisms namely associated to the pure active ingredient. As such, the objective of this work was to evaluate developmental changes induced by a tebuconazole commercial formulation to a non-target animal model. Zebrafish embryos at ± 2 h post-fertilization were exposed to tebuconazole wettable powder concentrations (0.05, 0.5 and 5 mg L-1) for 96 h with developmental toxicity assessed throughout the exposure period and biochemical parameters evaluated at the end of the exposure. Behavioural assessment (spatial exploration and response to stimuli) was conducted 24 h after the end of the exposure. While no developmental and physiological alterations were observed, exposure to tebuconazole resulted in an increased generation of reactive oxidative species at the 0.05 and 0.5 mg L-1 concentrations and a decreased GPx activity at the 0.5 mg L-1 concentration suggesting a potential protection mechanism. There was also a change in the avoidance-escape behaviour supporting an anxiolytic effect suggesting possible alterations in the central nervous system development demanding further studies.
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Affiliation(s)
- Raquel S F Vieira
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal
| | - Carlos A S Venâncio
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Department of Animal Science, School of Agrarian and Veterinary Sciences, University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Animal and Veterinary Research Center (CECAV), University of Trás-os-Montes and Alto Douro (UTAD), 5000-801 Vila Real, Portugal
| | - Luís M Félix
- Centre for the Research and Technology of Agro-Environment and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; i3S - Instituto de Investigação e Inovação em Saúde, Universidade of Porto, Porto, Portugal; Laboratory Animal Science, Instituto de Biologia Molecular e Celular (IBMC), Universidade do Porto (UP), Porto, Portugal.
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Jurašeková Z, Jutková A, Kožár T, Staničová J. Vibrational characterization of the pesticide molecule Tebuconazole. Spectrochim Acta A Mol Biomol Spectrosc 2022; 268:120629. [PMID: 34824006 DOI: 10.1016/j.saa.2021.120629] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2021] [Revised: 11/01/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
Pesticide use worldwide exhibits a positive effect on agricultural production while it may negatively affect organisms living in soil, water or the air. Importantly, numerous negative health effects also occur in humans exposed to (accumulated) pesticides or their metabolites over a long period of time. To prevent both environmental catastrophes and adverse human health impacts, initial studies of the selected pesticides need to be performed together with the constant post-approval control; risk assessment analysis and on site monitoring have to be continuously carried out. Given this, Raman spectroscopy, especially surface-enhanced Raman spectroscopy (SERS), during the last decade has become a powerful analytical technique since it can offer quick, selective, and in situ detection of selected pollutants found in analyzed samples at very low concentrations. Moreover, the structural changes caused by the pollutant-biomacromolecule interaction can also be recognized in the molecule-specific Raman spectral signatures of biomolecules. In this study, we report a vibrational characterization of the fungicide molecule Tebuconazole (TB) which is listed to be a possible carcinogen. Even though its international and common use there is no evidence about the use of Raman/SERS spectroscopy to detect it sensitively and selectively as well as to analyse its impacts on biological systems. Therefore, we have recorded and calculated Raman and infrared spectra of TB. Furthermore, SERS spectra of TB were also registered and comprehensively analysed in view of the employed SERS substrates, dependence on the excitation wavelengths and pH of the analysed molecular systems. The molecule of TB interacts preferentially through the triazole moiety with the colloidal metal nanoparticles (NPs) whereas the silver NPs prepared by reduction of silver nitrate with hydroxylamine hydrochloride resulted to be the most effective ones. Consequently, the limit of detection was determined to be 1.4 μM≈430 ppb. The present paper thus could serve significantly for further investigations focused on both conducting vibrational analyses of structurally related molecules as well as providing a more precise explanation of the mechanism of action of TB and its influence on biological macromolecules.
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Affiliation(s)
- Zuzana Jurašeková
- Department of Biophysics, Faculty of Sciences, University of P. J. Šafárik, Jesenná 5, 040 01 Košice, Slovakia.
| | - Annamária Jutková
- Department of Biology and Physiology, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Košice, Slovakia
| | - Tibor Kožár
- Center for Interdisciplinary Biosciences, TIP-UPJŠ, Jesenná 5, 040 01 Košice, Slovakia
| | - Jana Staničová
- Department of Chemistry, Biochemistry and Biophysics, University of Veterinary Medicine and Pharmacy, Komenského 73, 041 81 Košice, Slovakia; Institute of Biophysics and Informatics, First Faculty of Medicine, Charles University, Kateřinská 1, Prague, Czech Republic.
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41
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Wijntjes C, Weber Y, Höger S, Hollert H, Schäffer A. Effects of algae and fungicides on the fate of a sulfonylurea herbicide in a water-sediment system. Chemosphere 2022; 290:133234. [PMID: 34902390 DOI: 10.1016/j.chemosphere.2021.133234] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2021] [Revised: 12/06/2021] [Accepted: 12/07/2021] [Indexed: 06/14/2023]
Abstract
The impact of pesticide mixtures on various soil parameters has been extensively studied, whereas research on effects in the aquatic environment is scarce. Furthermore, investigations on the consequences of chemical mixtures on the biodegradation kinetics of parent compounds remain deficient. Our research intended to evaluate potential effects by combined application of an agriculturally employed tank mixture to aquatic sediment systems under controlled laboratory conditions. The mixture contained two fungicides and one radiolabeled herbicide of which the route and rate of degradation was followed. One set of aquatic sediment vessels was incubated in the dark. A second set of vessels was controlled under identical conditions, except for being continuously irradiated to promote algal growth. In addition, the algal biomass in irradiated aquatic sediment was monitored to determine its effects and a potential role in the biodegradation of iodosulfuron-methyl-sodium. The study results showed that the herbicide, although hydro- and photolytically stable throughout the study, metabolized faster (DT50 1.1-1.2-fold and DT90 2.8-4.5-fold) when continuously irradiated in comparison to dark aquatic sediment. Both fungicides had a significant prolonging effect on the biodegradation rate of the herbicide. In the presence of fungicides, DT90 values increased 1.5-fold in the irradiated, and 2.5-fold in the dark systems. Additionally, algae may have influenced the metabolization of the herbicide in the irradiated systems, where shorter DT90 values were evaluated. Even so, the algal influence was concluded to be indirect.
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Affiliation(s)
- Christiaan Wijntjes
- Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany; Innovative Environmental Services (IES) Ltd, Benkenstrasse 260, 4108, Witterswil, Switzerland.
| | - Yanik Weber
- Innovative Environmental Services (IES) Ltd, Benkenstrasse 260, 4108, Witterswil, Switzerland
| | - Stefan Höger
- Innovative Environmental Services (IES) Ltd, Benkenstrasse 260, 4108, Witterswil, Switzerland
| | - Henner Hollert
- Institute of Ecology, Evolution and Diversity, Goethe University Frankfurt, Max-von-Laue-Strasse 13, 60438, Frankfurt Am Main, Germany
| | - Andreas Schäffer
- Institute for Environmental Research, RWTH Aachen University, Worringerweg 1, 52074, Aachen, Germany
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Zhao L, Zhang Y, Wang L, Liu X, Zhang J, He Z. Stereoselective metabolomic and lipidomic responses of lettuce (Lactuca sativa L.) exposing to chiral triazole fungicide tebuconazole. Food Chem 2022; 371:131209. [PMID: 34598121 DOI: 10.1016/j.foodchem.2021.131209] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/12/2021] [Accepted: 09/20/2021] [Indexed: 02/05/2023]
Abstract
In this study, non-targeted and targeted metabolomics/lipidomics studies based on UPLC-QTOF-MS and UPLC-MS/MS were carried out to clarify the effects of tebuconazole and its different enantiomers on lettuce metabolites and lipids. Slight enantioselective degradation of tebuconazole was observed and six degradation metabolites were tentatively identified. The endogenous metabolites involved in carbohydrate metabolism, amino acid metabolism, nucleic acid metabolism, phenylpropanoid and flavonoid metabolism, vitamins, and lipid metabolism were significantly affected with enantioselectivity by tebuconazole exposure. Nucleotide metabolism and nicotinic acid metabolic network were significantly activated by the stimulation of tebuconazole. Rac- and (-)-R-tebuconazole caused the down-regulation of soluble sugars and subsequent amino acids and organic acids. Overall, lettuce exposed to tebuconazole was shown to have a significant impact on plant metabolism and lipid metabolism, with notable stereoselectivity. The results showed stereoselective toxicity of tebuconazole and provided a better understanding of its metabolomic and lipidomic effects on lettuce.
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Affiliation(s)
- Liuqing Zhao
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Yanwei Zhang
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Lu Wang
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Xiaowei Liu
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China
| | - Jingran Zhang
- SCIEX, Analytical Instrument Trading Co., Ltd, Beijing 100015, China
| | - Zeying He
- Key Laboratory for Environmental Factors Control of Agro-product Quality Safety, Ministry of Agriculture, Agro-Environmental Protection Institute, Ministry of Agriculture and Rural Affairs, Tianjin 300191, China.
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Santos-Miranda A, Joviano-Santos JV, Cruz-Nascimento T, Neri EA, Souza DS, Marques LP, Krieger JE, Roman-Campos D. The fungicide Tebuconazole induces electromechanical cardiotoxicity in murine heart and human cardiomyocytes derived from induced pluripotent stem cells. Toxicol Lett 2022; 359:96-105. [PMID: 35202779 DOI: 10.1016/j.toxlet.2022.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 02/05/2022] [Accepted: 02/15/2022] [Indexed: 02/02/2023]
Abstract
Tebuconazole (TEB) is an important fungicide that belongs to the triazole family. It is widely used in agriculture and its use has experienced a tremendous increase in the last decade. The long-term exposure of humans to this pesticide is a real threat because it is stable in water and soil. The association between long-term exposure to TEB and damage of several biological systems, including hepatotoxicity and cardiotoxicity is evident, however, acute toxicological studies to reveal the toxicity of TEB are limited. This research paper addressed the acute exposure of TEB in murine hearts, cardiomyocytes, and human cardiomyocytes derived from an induced pluripotent stem cell (hiPSC-CMs), spelling out TEB's impact on electromechanical properties of the cardiac tissue. In ex vivo experiments, TEB dose dependently, caused significant electrocardiogram (ECG) remodeling with prolonged PR and QTc interval duration. The TEB was also able to change the action potential waveform in murine cardiomyocytes and hiPSC-CMs. These effects were associated with the ability of the compound to block the L-type calcium current (IC50 = 33.2 ± 7.4 μmol.l-1) and total outward potassium current (IC50 = 5.7 ± 1.5 μmol.l-1). TEB also increased the sodium/calcium exchanger current in its forward and reverse modes. Additionally, sarcomere shortening and calcium transient in isolated cardiomyocytes were enhanced when cells were exposed to TEB at 30 μmol.l-1. Combined, our results demonstrated that acute TEB exposure affects the cardiomyocyte's electro-contractile properties and triggers the appearance of ECG abnormalities.
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Dereumeaux C, Mercier F, Soulard P, Hulin M, Oleko A, Pecheux M, Fillol C, Denys S, Quenel P. Identification of pesticides exposure biomarkers for residents living close to vineyards in France. Environ Int 2022; 159:107013. [PMID: 34890902 DOI: 10.1016/j.envint.2021.107013] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/29/2021] [Accepted: 11/29/2021] [Indexed: 05/12/2023]
Abstract
Biomonitoring can be relevant for assessing pesticides exposure of residents living close to vineyards (LCTV). However, because xenobiotics are generally present at low levels in human biological matrices and the sources of pesticide exposure are multiple, several challenges need to be overcome to reliably assess exposure in residents LCTV. This includes particularly identifying the most appropriate exposure biomarkers, the biological matrices in which they should be measured, and analytical methods that are sufficiently sensitive and specific to quantify them. The aim of the present study was to develop a tiered approach to identify relevant biomarkers and matrices for assessing pesticide exposure in residents LCTV. We used samples from a biobank for 121 adults and children included in a national prevalence study conducted between 2014 and 2016 who lived near or far from vineyards. We analyzed five priority pesticides (folpet, mancozeb, tebuconazole, glyphosate, and copper) and their metabolites in urine and hair samples. We identified relevant biomarkers according to three criteria related to: i) the detection frequency of those pesticides and metabolites in urine and hair, ii) the difference in concentrations depending on residence proximity to vineyards and, iii) the influence of other environmental and occupational exposure sources on pesticide levels. This tiered approach helped us to identify three relevant metabolites (two metabolites of folpet and one of tebuconazole) that were quantified in urine, tended to be higher in residents LCTV than in controls, and were not significantly influenced by occupational, dietary, or household sources of pesticide exposure. Our approach also helped us to identify the most appropriate measurement strategies (biological matrices, analytical methods) to assess pesticide exposure in residents LCTV. The approach developed here was a prerequisite step for guiding a large-scale epidemiological study aimed at comprehensively measuring pesticides exposures in French residents LCTV with a view to developing appropriate prevention strategies.
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Affiliation(s)
- Clémentine Dereumeaux
- Direction of Environmental and Occupational Health, Santé Publique France, Saint Maurice Cedex, France.
| | - Fabien Mercier
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S1085, F-35000 Rennes, France
| | - Pauline Soulard
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S1085, F-35000 Rennes, France
| | - Marion Hulin
- French Agency for Food, Environmental and Occupational Health & Safety (ANSES), 14 rue Pierre et Marie Curie, 94701 Maisons-Alfort, France
| | - Amivi Oleko
- Direction of Environmental and Occupational Health, Santé Publique France, Saint Maurice Cedex, France
| | - Marie Pecheux
- Direction of Environmental and Occupational Health, Santé Publique France, Saint Maurice Cedex, France
| | - Clémence Fillol
- Direction of Environmental and Occupational Health, Santé Publique France, Saint Maurice Cedex, France
| | - Sébastien Denys
- Direction of Environmental and Occupational Health, Santé Publique France, Saint Maurice Cedex, France
| | - Philippe Quenel
- Univ Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) - UMR_S1085, F-35000 Rennes, France
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Meng Z, Sun W, Liu W, Wang Y, Jia M, Tian S, Chen X, Zhu W, Zhou Z. A common fungicide tebuconazole promotes colitis in mice via regulating gut microbiota. Environ Pollut 2022; 292:118477. [PMID: 34763016 DOI: 10.1016/j.envpol.2021.118477] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 10/30/2021] [Accepted: 11/05/2021] [Indexed: 06/13/2023]
Abstract
As a common fungicide, tebuconazole are ubiquitous in the natural environment and poses many potential risks. In this study, we examined the effects of exposure to tebuconazole on colitis in mice and explored its underlying mechanism. Specifically, exposure to tebuconazole could cause structural damage and inflammatory cell infiltration in colon tissue, activate the expression of inflammation-related genes, disrupt the expression of barrier function-related genes, and induce the colonic inflammation in mice. Similarly, exposure to tebuconazole could also exacerbate DSS-induced colitis in mice. In addition, we found that tebuconazole also could change the composition of the gut microbiota. In particular, tebuconazole significantly increases the relative abundance of Akkermansia of mice. Moreover, tebuconazole resulted in metabolic profiles disorders of the serum, leading to significant changes in the relative contents of metabolites involving glycolipid metabolism and amino acid metabolism. Particularly, the results of the gut microbiota transplantation experiment showed that exposure to tebuconazole could induced colonic inflammation in mice in a gut microbiota-dependent manner. Taken together, these results indicated that tebuconazole could induce colitis in mice via regulating gut microbiota. Our findings strongly support the concept that the gut microbiota is a key trigger of inflammatory bowel disease caused by pesticide intake.
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Affiliation(s)
- Zhiyuan Meng
- Department of Plant Protection, School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Wei Sun
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Wan Liu
- Department of Digestive, The Traditional Chinese Medicine Hospital of Xuzhou City Affiliated to Nanjing University of Chinese, Xuzhou, 221003, China
| | - Yu Wang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Ming Jia
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Sinuo Tian
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Xiaojun Chen
- Department of Plant Protection, School of Horticulture and Plant Protection, Yangzhou University, Yangzhou, Jiangsu, 225009, China
| | - Wentao Zhu
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Zhiqiang Zhou
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China.
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Jiang J, Chen L, Liu X, Wang L, Wu S, Zhao X. Histology and multi-omic profiling reveal the mixture toxicity of tebuconazole and difenoconazole in adult zebrafish. Sci Total Environ 2021; 795:148777. [PMID: 34229239 DOI: 10.1016/j.scitotenv.2021.148777] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/26/2021] [Accepted: 06/27/2021] [Indexed: 06/13/2023]
Abstract
The combination effects of triazole fungicides on aquatic organisms remain largely unknown. In current study, an integrated histological, transcriptome, metabonomics and microbiology was applied to investigate the mixture effects and risk of tebuconazole (TEB) and difenoconazole (DIF) co-exposure on zebrafish liver and gonad at aquatic life benchmark. TEB and DIF mixture showed additive effect on the acute toxicity to adult zebrafish, the combined toxicity on liver was less than the additive effect of individual TEB and DIF, and TEB and DIF mixture also reduced the toxic effects on gonad and intestinal microflora. Transcriptomics and metabolomics further showed TEB and DIF mixture could induce more differentially expressed genes (DEGs) to regulate the metabolic pathways involved in energy metabolism, steroid hormone biosynthesis, retinol metabolism and microbial metabolism, to balance the energy metabolism and supplies, and maintain the steroid hormone and RA level, further reduced the toxic effect on liver and gonad caused by TEB and DIF. Our results showed the different responses and patterns on transcriptional and metabolic profiles mediated in the diverse toxicity and combination effects of TEB and DIF. The present results provided a deep mechanistic understanding of the combined effects and mode of action of DIF and TEB mixture on aquatic organisms, suggesting the concept of additive effects might sufficiently protective when evaluated the combination effects and ecological risk of TEB and DIF at aquatic life benchmarks.
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Affiliation(s)
- Jinhua Jiang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Liezhong Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Xingang Liu
- State Key Laboratory for Biology of Plant Disease and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Luyan Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Shengan Wu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China
| | - Xueping Zhao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture, Laboratory (Hangzhou) for Risk Assessment of Agricultural Products of Ministry of Agriculture, Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, Hangzhou 310021, Zhejiang, China.
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Habenschus MD, Carrão DB, de Albuquerque NCP, Perovani IS, Moreira da Silva R, Nardini V, Lopes NP, Dias LG, Moraes de Oliveira AR. In vitro enantioselective inhibition of the main human CYP450 enzymes involved in drug metabolism by the chiral pesticide tebuconazole. Toxicol Lett 2021; 351:1-9. [PMID: 34407455 DOI: 10.1016/j.toxlet.2021.08.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2021] [Revised: 07/23/2021] [Accepted: 08/13/2021] [Indexed: 11/29/2022]
Abstract
Tebuconazole (TEB) is a chiral triazole fungicide worldwide employed to control plant pathogens and preserve wood. People can be exposed to TEB either through diet and occupational contamination. This work investigates the in vitro inhibitory potential of rac-TEB, S-(+)-TEB, and R-(-)-TEB over the main cytochrome P450 enzymes (CYP450) using human liver microsomes to predict TEB in vivo inhibition potential. The IC50 values showed that in vitro inhibition was enantioselective for CYP2C9, CYP2C19, and CYP2D6, but not for CYP3A4/5. Despite enantioselectivity, rac-TEB and its single enantiomers were always classified in the same category. The inhibition mechanisms and constants were determined for rac-TEB and it has shown to be a mixed inhibitor of CYP3A4/5 (Ki = 1.3 ± 0.3 μM, αKi = 3.2 ± 0.5 μM; Ki = 0.6 ± 0.3 μM, αKi = 1.3 ± 0.3 μM) and CYP2C9 (Ki = 0.7 ± 0.1 μM, αKi = 2.7 ± 0.5 μM), and a competitive inhibitor of CYP2D6 (Ki = 11.9 ± 0.7 μM) and CYP2C19 (Ki = 0.23 ± 0.02 μM), respectively, suggesting that in some cases, rac-TEB has a higher or comparable inhibitory potential than well-known strong inhibitors of CYP450 enzymes, especially for CYP2C9 and CYP2C19. In vitro-in vivo extrapolations (IVIVE) were conducted based on the results and data available in the literature about TEB absorption and metabolism. R1 values were estimated based on the Food and Drug Administration guideline and suggested that in a chronic oral exposure scenario considering the acceptable daily intake dose proposed by the European Food and Safety Authority, the hypothesis of rac-TEB to inhibit the activities of CYP3A4/5, CYP2C9, and CYP2C19 in vivo and cause pesticide-drug interactions cannot be disregarded.
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Affiliation(s)
- Maísa Daniela Habenschus
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Daniel Blascke Carrão
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Nayara Cristina Perez de Albuquerque
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Icaro Salgado Perovani
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Rodrigo Moreira da Silva
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14090-903, Ribeirão Preto, SP, Brazil
| | - Viviani Nardini
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Norberto Peporine Lopes
- Departamento de Física e Química, Faculdade de Ciências Farmacêuticas de Ribeirão Preto, Universidade de São Paulo, 14090-903, Ribeirão Preto, SP, Brazil
| | - Luís Gustavo Dias
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil
| | - Anderson Rodrigo Moraes de Oliveira
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Universidade de São Paulo, 14040-901, Ribeirão Preto, SP, Brazil; National Institute for Alternative Technologies of Detection, Toxicological Evaluation and Removal of Micropollutants and Radioactives (INCT-DATREM), Unesp, Institute of Chemistry, P.O. Box 355, 14800-900, Araraquara, SP, Brazil.
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48
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Han L, Kong X, Xu M, Nie J. Repeated exposure to fungicide tebuconazole alters the degradation characteristics, soil microbial community and functional profiles. Environ Pollut 2021; 287:117660. [PMID: 34426382 DOI: 10.1016/j.envpol.2021.117660] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 06/13/2023]
Abstract
Tebuconazole is a broad-spectrum triazole fungicide that has been extensively applied in agriculture, but its toxicity on soil ecology remains unknown after repeated introduction to soil. This study investigated the degradation of tebuconazole and the changes in soil microbial community composition and functional diversity as well as network complexity in soil repeatedly treated with tebuconazole. Tebuconazole degraded slowly as the degradation half-life initially increased and then decreased during the four repeated treatments. High concentration of tebuconazole treatment significantly delayed the degradation of tebuconazole. The soil microbial functional diversity in tebuconazole-treated soils showed an inhibition-recovery-stimulation trend with increasing treatment frequency, which was related to the increased degradation rates of tebuconazole. Tebuconazole significantly decreased soil microbial biomass and bacterial community diversity, and this decreasing trend became more pronounced with increasing treatment frequency and concentration. Moreover, tebuconazole significantly decreased soil bacterial community network complexity, particularly at high concentration of tebuconazole treatment. Notably, four bacterial genera, Methylobacterium, Burkholderia, Hyphomicrobium, and Dermacoccus, were identified as the potential tebuconazole-degrading bacteria, with the relative abundances in the tebuconazole treatment significantly increasing by 42.1-34687.1% compared to the control. High concentration of tebuconazole treatment delayed increases in the relative abundances of Methylobacterium but promoted those of Burkholderia, Hyphomicrobium and Dermacoccus. Additionally, repeated tebuconazole treatments improved only four metabolic pathways, cell motility, membrane transport, environmental information processing, and xenobiotics biodegradation and metabolism, which were associated with the degradation of tebuconazole. The above results indicated that repeated tebuconazole treatments resulted in the significant accumulation of residues and long-term negative effects on soil ecology, and also emphasized the potential roles of dominant indigenous microbial bacteria in the degradation of tebuconazole.
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Affiliation(s)
- Lingxi Han
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China
| | - Xiabing Kong
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China
| | - Min Xu
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China
| | - Jiyun Nie
- College of Horticulture, Qingdao Agriculture University, Qingdao, 266109, China; Qingdao Key Lab of Modern Agriculture Quality and Safety Engineering, Qingdao, 266109, China.
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49
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Ku T, Zhou M, Hou Y, Xie Y, Li G, Sang N. Tebuconazole induces liver injury coupled with ROS-mediated hepatic metabolism disorder. Ecotoxicol Environ Saf 2021; 220:112309. [PMID: 34015629 DOI: 10.1016/j.ecoenv.2021.112309] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2021] [Revised: 04/28/2021] [Accepted: 05/01/2021] [Indexed: 06/12/2023]
Abstract
Tebuconazole, the most widely used fungicide, is reported to cause various environmental problems and have serious health risks in humans. Despite numerous advances in toxicity studies, its internal metabolic process and the underlying mechanisms have not been systemically studied. The present study administered low doses (0.02 g/kg bw and 0.06 g/kg bw) of tebuconazole to C57BL/6 mice in vivo. The high performance liquid chromatography-tandem mass spectrometry (HPLC-MS/MS) was developed and validated to analyze the tebuconazole in different organs, and our data revealed that tebuconazole mainly accumulated in the liver and that histopathological damage were exhibited in this organ. Tebuconazole significantly dysregulated phase Ⅰ- and phase II-metabolizing enzymes, ATP-binding cassette (ABC) efflux transporters (Abcc2 and Abcc3) and fatty acid metabolism-related genes (Cdkn1a and Fasn), thereby directly causing liver hypertrophy and steatosis. Importantly, the excessive induction of reactive oxygen species (ROS) and oxidative stress partially accounted for the metabolic abnormalities mediated by tebuconazole. Moreover, these alterations were related to the abnormal transcriptional levels of peroxisome proliferator-activated receptor α (PPAR-α) and liver x receptor α (LXR-α), which were predicted to bind to tebuconazole via hydrogen bonding interactions. The current findings provide new insight into the molecular mechanisms of metabolic abnormalities induced by tebuconazole at low concentration, and are conducive to a better understanding of the environmental risk posed by this fungicide.
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Affiliation(s)
- Tingting Ku
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Mengmeng Zhou
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Yanwen Hou
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Yuanyuan Xie
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Guangke Li
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China
| | - Nan Sang
- College of Environmental Science and Resources, Research Center of Environment and Health, Shanxi University, Taiyuan, Shanxi 030006, PR China.
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50
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Lebrun JD, De Jesus K, Tournebize J. Individual performances and biochemical pathways as altered by field-realistic exposures of current-use fungicides and their mixtures in a non-target species, Gammarus fossarum. Chemosphere 2021; 277:130277. [PMID: 33774253 DOI: 10.1016/j.chemosphere.2021.130277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Revised: 03/05/2021] [Accepted: 03/09/2021] [Indexed: 06/12/2023]
Abstract
Persistent fungicides, which are widely applied to agricultural soils to protect crops, are frequently detected in freshwaters because of hydraulic transfer, possibly resulting in unintentional adverse effects on wildlife. However, the ecotoxicity of fungicides in aquatic species remains scarcely assessed at environmentally relevant concentrations, and there is scant information available on their combined effects. This study aims at investigating multi-level changes elicited by two currently used fungicides, boscalid and tebuconazole, in the amphipod Gammarus fossarum. In microcosms, gammarids were exposed for 72 h to fungicides tested individually or in binary mixture at 0.01, 0.1 and 1.0 μg/L to monitor individual performances (locomotion, respiration and amplexus formation) and biochemical parameters (involved in energy metabolism, growth, moulting and cell stress). This range of exposure concentrations was field-realistic and largely lower than local environmental quality standards for the protection of aquatic wildlife. Overall, results showed that single and combined exposures altered the mobility and respiratory activity of individuals. At the cellular level, boscalid inhibited energy-based biomarkers whereas tebuconazole led to cytotoxicity associated with reduced antioxidant defences. In binary mixtures, the biochemical responses were mainly driven by the presence of boscalid. Multi-variable analyses, integrating individual alterations and cellular impairments alike, confirmed the relevance of the multi-level approach in forecasting the toxicity of fungicides and their mixtures towards other aquatic species. This study demonstrates dose-related sublethal effects of fungicides on multiple functional traits in an ecosystem engineer under realistic exposure scenarios, highlighting the harmful signs of these toxicants. Such sublethal alterations could thus constitute reliable tools for the early diagnosis of the organisms' health and the ecological status of agriculturally impacted hydrosystems.
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Affiliation(s)
- Jérémie D Lebrun
- University of Paris-Saclay, INRAE, UR HYCAR - Artemhys, 92761, Antony, France.
| | - Kelly De Jesus
- University of Paris-Saclay, INRAE, UR HYCAR - Artemhys, 92761, Antony, France
| | - Julien Tournebize
- University of Paris-Saclay, INRAE, UR HYCAR - Artemhys, 92761, Antony, France
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