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Humann-Guilleminot S, Binkowski LJ, Helfenstein F. Sex-specific effects of low-dose of acetamiprid on corticosterone levels but not on oxidative stress in House sparrows. ENVIRONMENTAL RESEARCH 2024; 262:119894. [PMID: 39218340 DOI: 10.1016/j.envres.2024.119894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Revised: 08/28/2024] [Accepted: 08/29/2024] [Indexed: 09/04/2024]
Abstract
Neonicotinoid insecticides are widely used in agriculture and have been linked to various detrimental physiological effects on wild birds. Despite this, the impact of acetamiprid - a less studied member of the neonicotinoid family - on the hypothalamic-pituitary-adrenal axis responsible for the hormonal regulation of the response to stress has rarely been examined in birds. In our study, we explored the effects of acetamiprid on feather levels of corticosterone, the major end product of the HPA, and blood oxidative status of House sparrows (Passer domesticus), following the ingestion of a low, field-realistic dose during two consecutive experiments in 2015 and 2016. We involved 112 birds in each experiment - 56 males and 56 females - that were administered a placebo or a dose of acetamiprid equivalent to 0.5% of the LD50 of the Zebra finch over the entire duration of the experiments, which lasted approximately three weeks. We measured corticosterone concentrations in feathers grown during an acclimation phase before ingestion and in newly grown feather after the experiment and assessed three oxidative stress markers in the blood. We found no impact of acetamiprid on oxidative stress markers. However, in 2015, male sparrows that ingested acetamiprid exhibited higher corticosterone levels in their feathers compared to those that received a placebo. No such difference was found in females. Interestingly, this effect was not observed in year 2016, which was characterised by less stressful conditions for the birds. These findings offer the first evidence of a potential effect of acetamiprid on corticosterone levels in a songbird, suggesting that ingesting this compound at very low dose may alter the endocrine physiology of the response to stress.
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Affiliation(s)
- Ségoléne Humann-Guilleminot
- Laboratory of Evolutionary Ecophysiology, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland; Department of Environmental Science, Radboud Institute for Biological and Environmental Sciences (RIBES), Faculty of Science, Radboud University, Nijmegen, The Netherlands.
| | - Lukasz J Binkowski
- Laboratory of Evolutionary Ecophysiology, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland; Institute of Biology and Earth Sciences, University of the National Education Commission, Krakow, Poland
| | - Fabrice Helfenstein
- Laboratory of Evolutionary Ecophysiology, Institute of Biology, University of Neuchâtel, Neuchâtel, Switzerland; Department of Clinical Research, University of Bern, Bern, Switzerland
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Cao Y, Zhang X, Zhang Z, Li Q, Yan Y. Neonicotinoid insecticides in waters of Hongze lake, the largest impounded lake on the South-to-North water diversion project, China: Implications for environmental and public health. ENVIRONMENTAL RESEARCH 2024; 262:119818. [PMID: 39168430 DOI: 10.1016/j.envres.2024.119818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2024] [Revised: 07/24/2024] [Accepted: 08/18/2024] [Indexed: 08/23/2024]
Abstract
Contamination by neonicotinoid (NEO) insecticides in surface waters is a global problem. Nevertheless, the occurrence of NEOs in lakes is not well known. Hongze Lake, the largest impounded lake on the Eastern Route of the South-to-North Water Diversion Project, was selected to investigate the distribution, ecological risks, and health risks of NEOs. Water samples from the lake and nearby rivers were collected and analyzed for 8 widely used NEOs in three seasons. The results indicated the average total NEO concentration in summer, winter, and spring was 222, 211, and 244 ng L-1 for the river water, and 265, 213, and 181 ng L-1 for the lake water, respectively, with no statistical seasonal difference. For the river water, the highest total NEO concentration in the three seasons was observed in the Andong River. For the lake water, the total NEO concentrations in summer were relatively high in sites near the inflow river estuaries due to the high riverine inputs during the flood period. The spatial difference in NEO concentration was relatively low in winter, which may be related to the wind-driven lake current. The seasonal variation in NEO compositions in the lake was generally similar to that in the river, indicating riverine input was the important source for the lake. Huai River was the largest contributor to the NEO inputs to the lake, and Sanhe Gate was the major output pathway. Clothianidin and imidacloprid in the river and lake water would produce moderate acute ecological risks in summer. Thus, the usage of the above two NEOs should be decreased or restricted. For integral NEO risks, 53% and 58% of the river and lake water sites exceeded the acute ecological threshold, respectively. Health risk assessment suggested drinking the water obtained from the lake would not produce a negative impact on public health.
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Affiliation(s)
- Yuanxin Cao
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Xiaoxin Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China.
| | - Zhijie Zhang
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Qiao Li
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China
| | - Yubo Yan
- Jiangsu Engineering Laboratory for Environment Functional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huai'an, 223300, China.
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Shen C, Pan X, Wu X, Xu J, Zheng Y, Dong F. Prediction of Potential Risk for Flupyradifurone and Its Transformation Products to Hydrobionts. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:15151-15163. [PMID: 38941616 DOI: 10.1021/acs.jafc.4c03004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Flupyradifurone (FPF) is considered the latest generation of neonicotinoid insecticides. Here, we investigated the toxicity and ecological risk of FPF and its aerobic transformation products (TPs) to aquatic species using the method of prediction. We found that FPF exhibited moderate or high toxicity to some aquatic species. The 5% hazardous concentration of FPF was 3.84 μg/L for aquatic organisms. We obtained 91 aerobic TPs for FPF, and almost half of FPF TPs exhibited toxicity to fish or Daphnia. Eleven of the TPs of FPF exhibited a high or moderate risk to aquatic ecosystems. All FPF TPs with high and moderate risks contained a 6-chloropyridine ring structure, indicating that the derivant of a pyridine ring exhibits potential risks to aquatic ecosystems. Our results provide insight into the potential risk of FPF to aquatic ecosystems and could be used to help set criteria to control pollution caused by FPF.
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Affiliation(s)
- Chao Shen
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
- East China Branch of the National Center for Agricultural Biosafety Sciences/Fujian Engineering Research Center for Green Pest Management/Fujian Key Laboratory for Monitoring and Integrated Management of Crop Pests, Institute of Plant Protection, Fujian Academy of Agricultural Sciences, Fuzhou 350003, China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Xiaohu Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Jun Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
| | - Yongquan Zheng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
- Shandong Engineering Research Center for Environment-Friendly Agricultural Pest Management, College of Plant Health and Medicine, Qingdao Agricultural University, Qingdao 266109, P. R. China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P. R. China
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Godbole AM, Chen A, Vuong AM. Associations between neonicotinoids and liver function measures in US adults: National Health and Nutrition Examination Survey 2015-2016. Environ Epidemiol 2024; 8:e310. [PMID: 38799264 PMCID: PMC11115984 DOI: 10.1097/ee9.0000000000000310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2024] [Accepted: 04/10/2024] [Indexed: 05/29/2024] Open
Abstract
Background Toxicological studies indicate that neonicotinoids may be associated with disruptions in liver function due to an increase in oxidative stress. There are scant epidemiological studies investigating the chronic hepatotoxic effects of neonicotinoids. Objective To examine the association between detectable concentrations of parent neonicotinoids and neonicotinoid metabolites with liver function markers among US adults, and whether sex modifies this association. Methods National Health and Nutrition Examination Survey 2015-2016 data were used to estimate associations between detectable neonicotinoids and serum alkaline phosphatase (ALP), alanine aminotransferase, aspartate aminotransferase, gamma-glutamyl transaminase (GGT), albumin, total bilirubin, total protein, and Hepatic Steatosis Index (HSI) using multiple linear regression. Results Detectable levels of N-desmethyl-acetamiprid were associated with a decrease in GGT (β = -3.54 unit/l; 95% confidence interval [CI] = -6.48, -0.61) and detectable levels of 5-hydroxy-imidacloprid were associated with a decrease in HSI (β = -1.11; 95% CI = -2.14, -0.07). Sex modified the association between any parent neonicotinoid and ALP (Pint = 0.064) and the association between clothianidin and ALP (Pint = 0.019), with a pattern of positive associations in males and inverse associations in females, though stratified associations did not reach statistical significance. Sex also modified the association between 5-hydroxy-imidacloprid and total protein (Pint = 0.062), with a significant positive association in females (β = 0.14 g/dl; 95% CI = 0.03, 0.25) and a null association in males. Conclusion Detectable concentrations of neonicotinoid metabolites were inversely associated with GGT and HSI in US adults. Evidence suggests neonicotinoids may influence liver function differently depending on sex. Future research is recommended to replicate the findings as the study was limited in its cross-sectional nature and inability to examine continuous neonicotinoid concentrations with liver function.
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Affiliation(s)
- Amruta M. Godbole
- Department of Epidemiology and Biostatistics, University of Nevada Las Vegas, School of Public Health, Las Vegas, Nevada
| | - Aimin Chen
- Department of Biostatistics, Epidemiology and Informatics, Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania
| | - Ann M. Vuong
- Department of Epidemiology and Biostatistics, University of Nevada Las Vegas, School of Public Health, Las Vegas, Nevada
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Pietrzak D, Kania J, Kmiecik E, Baba A. Risk analysis for groundwater intakes based on the example of neonicotinoids. CHEMOSPHERE 2024; 358:142244. [PMID: 38705411 DOI: 10.1016/j.chemosphere.2024.142244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Revised: 03/27/2024] [Accepted: 05/02/2024] [Indexed: 05/07/2024]
Abstract
Neonicotinoids are a class of broad-spectrum insecticides that are dominant in the world market. They are widely distributed in the environment. Understanding the sources, distribution, and fate of these contaminants is critical to mitigating their effects and maintaining the health of aquatic ecosystems. Contamination of surface and groundwater by neonicotinoids has become a widespread problem worldwide, requiring comprehensive action to accurately determine the mechanisms behind the migration of these pesticides, their properties, and their adverse effects on the environment. A new approach to risk analysis for groundwater intake contamination with emerging contaminants was proposed. It was conducted on the example of four neonicotinoids (acetamiprid, clothianidin, thiamethoxam, and imidacloprid) in relation to groundwater accessed by a hypothetical groundwater intake, based on data obtained in laboratory tests using a dynamic method (column experiments). The results of the risk analysis conducted have shown that in this case study the use of acetamiprid and thiamethoxam for agricultural purposes poses an acceptable risk, and does not pose a risk to the quality of groundwater extracted from the intake for food purposes. Consequently, it does not pose a risk to the health and life of humans and other organisms depending on that water. The opposite situation is observed for clothianidin and imidacloprid, which pose a higher risk of groundwater contamination. For higher maximum concentration of neonicotinoids used in the risk analysis, the concentration of clothianidin and imidacloprid in the groundwater intake significantly (from several to several hundred thousand times) exceeds the maximum permissible levels for drinking water (<0.1 μg/L). This risk exists even if the insecticides containing these pesticides are used according to the information sheet provided by the manufacturer (lower maximum concentration), which results in exceeding the maximum permissible levels for drinking water from several to several hundred times.
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Affiliation(s)
- Damian Pietrzak
- AGH University of Krakow, Mickiewicza 30 Av., 30-059, Krakow, Poland.
| | - Jarosław Kania
- AGH University of Krakow, Mickiewicza 30 Av., 30-059, Krakow, Poland
| | - Ewa Kmiecik
- AGH University of Krakow, Mickiewicza 30 Av., 30-059, Krakow, Poland
| | - Alper Baba
- Izmir Institute of Technology, 35430, Urla-Izmir, Turkiye
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Perkins R, Barron L, Glauser G, Whitehead M, Woodward G, Goulson D. Down-the-drain pathways for fipronil and imidacloprid applied as spot-on parasiticides to dogs: Estimating aquatic pollution. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 917:170175. [PMID: 38244617 DOI: 10.1016/j.scitotenv.2024.170175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2023] [Revised: 01/07/2024] [Accepted: 01/13/2024] [Indexed: 01/22/2024]
Abstract
Fipronil and imidacloprid have been widely detected in UK surface waters in recent years, often at concentrations that ecotoxicological studies have shown can harm aquatic life. Down-the-drain (DTD) passage of pet flea and tick treatments are being implicated as an important source, with many of the UK's 22 million cats and dogs receiving routine, year-round preventative doses containing these parasiticides. The UK Water Industry's 3rd Chemical Investigation Programme (UKWIR CIP3) has confirmed wastewater as a major entry pathway for these chemicals into surface waters, but the routes by which they enter the wastewater system remain unclear. We addressed this knowledge gap by conducting the first quantification of DTD emissions from 98 dogs treated with spot-on ectoparasiticides containing fipronil or imidacloprid, through bathing, bed washing and washing of owners' hands. Both chemicals were detected in 100 % of washoff samples, with bathing accounting for the largest emissions per event (up to 16.8 % of applied imidacloprid and 24.5 % of applied fipronil). Modelled to account for the frequency of emitting activities, owner handwashing was identified as the largest source of DTD emissions from the population overall, with handwash emissions occurring for at least 28 days following product application and an estimated 4.9 % of imidacloprid and 3.1 % of fipronil applied in dog spot-ons passing down-the-drain via this route. The normalised daily per capita emissions for all routes combined were 8.7 μg/person/day for imidacloprid and 2.1 μg/person/day for fipronil, equivalent to 20-40 % of the daily per capita load in wastewater, as estimated from UKWIR CIP3 data. Within the current international regulatory framework adhered to by the UK, the environmental exposure of veterinary medicines intended for use in small companion animals is assumed to be low, and DTD pathways are not considered. We recommend a systematic review of regulations and practices to address this overlooked pollution pathway.
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Affiliation(s)
- Rosemary Perkins
- University of Sussex, School of Life Sciences, Falmer, Brighton BN1 9QG, United Kingdom.
| | - Leon Barron
- Faculty of Medicine, School of Public Health, Imperial College, SW7 2AZ, United Kingdom
| | - Gaëtan Glauser
- Neuchâtel Platform of Analytical Chemistry, University of Neuchâtel, Av. de Bellevaux 51, CH-2000 Neuchâtel, Switzerland
| | - Martin Whitehead
- Chipping Norton Veterinary Hospital, Banbury Road, Chipping Norton, Oxfordshire OX7 5SY, United Kingdom
| | - Guy Woodward
- The Georgina Mace Centre for the Living Planet, Department of Life Sciences, Imperial College London, Silwood Park Campus, Buckhurst Road, Ascot, Berkshire SL5 7PY, United Kingdom
| | - Dave Goulson
- University of Sussex, School of Life Sciences, Falmer, Brighton BN1 9QG, United Kingdom
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Tsegay G, Lartey-Young G, Mariye M, Gao Y, Meng XZ. Assessing neonicotinoid accumulation and ecological risks in the aquatic environment of Yangtze River Basin, China. CHEMOSPHERE 2024; 351:141254. [PMID: 38272140 DOI: 10.1016/j.chemosphere.2024.141254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Revised: 12/26/2023] [Accepted: 01/17/2024] [Indexed: 01/27/2024]
Abstract
Neonicotinoids (NNIs) constitute commonly used pesticides across various regions, however, the lack of research and data on its long-term effects and threshold levels within specific ecosystems have left an important knowledge gap. This study aimed to comprehensively examine NNI concentrations and their potential impacts on human health and aquatic organisms in the region of the Yangtze River Basin (YRB). The study employed datasets on seven commonly applied NNIs across 244 surface water samples collected from 12 distinct geographic sites within the YRB. The relative potency factor was used to evaluate human exposure risks, while the species sensitivity distribution could estimate acute and chronic hazardous concentrations for 5% of species (HC5) for NNIs impacting aquatic organisms. Analysis revealed varying NNI concentrations across the sampled sites, with thiacloprid recording the lowest concentration at 0.1 ng L-1, and dinotefuran recording a high concentration of 408 ng L-1. The observation indicated NNI concentration declined at sampling sites downstream of the YRB. Infants were identified as the most vulnerable to NNI exposure, with an estimated daily intake of 40.8 ng kg-1 bw d-1. The acute HC5 was determined at 946 ng L-1 and a chronic HC5 at 338 ng L-1, to NNI hazards. These findings highlight the urgent need for a more comprehensive understanding of the ecological implications and hazards posed by NNIs within the YRB. Variations in NNI concentrations across sites, potential risks to human health, and increased vulnerability of aquatic organisms from this study underscore the necessity for further research and concerted efforts to mitigate these ecological threats in the region.
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Affiliation(s)
- Gedion Tsegay
- UNEP-TONGJI Institute of Environment for Sustainable Development (IESD), College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Jiaxing-Tongji Environmental Research Institute, 1994 Linggongtang Road, Jiaxing, 314051, Zhejiang Province, China
| | - George Lartey-Young
- UNEP-TONGJI Institute of Environment for Sustainable Development (IESD), College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Mehari Mariye
- UNEP-TONGJI Institute of Environment for Sustainable Development (IESD), College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Yunze Gao
- Jiaxing-Tongji Environmental Research Institute, 1994 Linggongtang Road, Jiaxing, 314051, Zhejiang Province, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
| | - Xiang-Zhou Meng
- Jiaxing-Tongji Environmental Research Institute, 1994 Linggongtang Road, Jiaxing, 314051, Zhejiang Province, China; Key Laboratory of Yangtze River Water Environment, Ministry of Education, College of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
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Zhu J, Tao Q, Du G, Huang L, Li M, Wang M, Wang Q. Mitochondrial dynamics disruption: Unraveling Dinotefuran's impact on cardiotoxicity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 343:123238. [PMID: 38159629 DOI: 10.1016/j.envpol.2023.123238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/10/2023] [Accepted: 12/25/2023] [Indexed: 01/03/2024]
Abstract
Exposure to pesticides has been associated with several cardiovascular complications in animal models. Neonicotinoids are now the most widely used insecticide globally, while the impact of neonicotinoids on cardiovascular function and the role of mitochondrial dynamics in neonicotinoids-induced cardiotoxicity is unclear. In the present study, Xenopus laevis tadpoles were exposed to environmental related concentrations (0, 5, and 50 μg/L) of typical neonicotinoid dinotefuran, with two enantiomers, for 21 days. We evaluated the changes in heart rate and cardiomyocyte apoptosis in exposed tadpoles. Then, we performed the transcriptome, metabolomics, transmission electron microscopy (TEM), and protein immunoblot to investigate the potential adverse impact of two enantiomers of dinotefuran on cardiotoxicity associated with mitochondrial dynamics. We observed changes in heart rate and increased cardiomyocyte apoptosis in exposed tadpoles, indicating that dinotefuran had a cardiotoxic effect. We further found that the cardiac contractile function pathway was significantly enriched, while the glucose metabolism-related pathways were also disturbed significantly. TEM observation revealed that the mitochondrial morphology of cardiomyocytes in exposed tadpoles was swollen, and mitophagy was increased. Mitochondria fusion was excessively manifested in the enhanced mitochondrial fusion protein. The mitochondrial respiratory chain was also disturbed, which led to an increase in ROS production and a decrease in ATP content. Therefore, our results suggested that dinotefuran exposure can induce cardiac disease associated mitochondrial disorders by interfering with the functionality and dynamics of mitochondria. In addition, both two enantiomers of dinotefuran have certain toxicity to tadpole cardiomyocytes, while R-dinotefuran exhibited higher toxicity than S-enantiomer, which may be attributed to disparities in the activation capacities of the respiratory chain.
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Affiliation(s)
- Jiaping Zhu
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Qiao Tao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Gaoyi Du
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Lei Huang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Meng Li
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Mengcen Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China
| | - Qiangwei Wang
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, 310058, China.
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Wu R, Sin EYY, Zhang K, Xu S, Ruan Y, Mak YL, Yung YK, Sun SWC, Yang R, Lam PKS. Medicating the coast in a metropolitan city: Enantiomeric profiles and joint probabilistic risk assessment of antidepressants and antihistamines. ENVIRONMENT INTERNATIONAL 2024; 184:108434. [PMID: 38237506 DOI: 10.1016/j.envint.2024.108434] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 12/20/2023] [Accepted: 01/07/2024] [Indexed: 02/23/2024]
Abstract
Pharmaceuticals are receiving increasing attention as emerging contaminants in the aquatic environment. Herein, we investigated the occurrence of 11 antidepressants, 6 antihistamines and 4 metabolites in treated wastewater effluents, rivers, stormwater, and seawater in Hong Kong, with special focus on chirality. The average levels of ∑pharmaceuticals ranged from 0.525 to 1070 ng/L in all samples and the total annual mass load of target pharmaceuticals in the marine environment of Hong Kong was 756 kg/y. Antihistamines accounted for >80 % of ∑pharmaceuticals, with diphenhydramine and fexofenadine being predominant. The occurrence and enantiomeric profiles of brompheniramine and promethazine sulfoxide were reported in global natural waters for the first time. Among chiral pharmaceuticals, mirtazapine and fexofenadine exhibited R-preference, while others mostly exhibited S-preference, implying that the ecological risks derived from achiral data for chiral pharmaceuticals may be biased. The joint probabilistic risk assessment of fluoxetine revealed that R-fluoxetine and rac-fluoxetine presented different ecological risks from that of S-fluoxetine; Such assessment also revealed that target pharmaceuticals posed only minimal to low risks, except that diphenhydramine posed an intermediate risk. As estimated, 10 % aquatic species will be affected when the environmental level of diphenhydramine exceeds 7.40 ng/L, which was seen in 46.9 % samples. Collectively, this study highlights further investigations on the enantioselectivity of chiral pharmaceuticals, particularly on environmental behavior and ecotoxicity using local aquatic species as target organisms.
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Affiliation(s)
- Rongben Wu
- State Key Laboratory of Marine Pollution, City University of Hong Kong, 999077, Hong Kong SAR, China
| | - Esther Yan-Yin Sin
- State Key Laboratory of Marine Pollution, City University of Hong Kong, 999077, Hong Kong SAR, China
| | - Kai Zhang
- State Key Laboratory of Marine Pollution, City University of Hong Kong, 999077, Hong Kong SAR, China; National Observation and Research Station of Coastal Ecological Environment in Macao, Macao Environmental Research Institute, Macau University of Science and Technology, 999078, Macao SAR, China
| | - Shaopeng Xu
- State Key Laboratory of Marine Pollution, City University of Hong Kong, 999077, Hong Kong SAR, China; Department of Chemistry, City University of Hong Kong, 999077, Hong Kong SAR, China
| | - Yuefei Ruan
- State Key Laboratory of Marine Pollution, City University of Hong Kong, 999077, Hong Kong SAR, China; Department of Chemistry, City University of Hong Kong, 999077, Hong Kong SAR, China
| | - Yim Ling Mak
- Water Quality Management Group, Environmental Protection Department, Hong Kong SAR Government, 999077, Hong Kong SAR, China
| | - Ying-Kit Yung
- Water Quality Management Group, Environmental Protection Department, Hong Kong SAR Government, 999077, Hong Kong SAR, China
| | - Sunny Wai-Choi Sun
- Water Quality Management Group, Environmental Protection Department, Hong Kong SAR Government, 999077, Hong Kong SAR, China
| | - Rong Yang
- Water Quality Management Group, Environmental Protection Department, Hong Kong SAR Government, 999077, Hong Kong SAR, China
| | - Paul K S Lam
- State Key Laboratory of Marine Pollution, City University of Hong Kong, 999077, Hong Kong SAR, China; Department of Chemistry, City University of Hong Kong, 999077, Hong Kong SAR, China; Department of Science, School of Science and Technology, Hong Kong Metropolitan University, 999077, Hong Kong SAR, China.
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10
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Liu H, Tang X, Tam NFY, Li Q, Ruan W, Xu X, Gao Y, Yan Q, Zhang X, Dai Y, Yang Y. Phytodegradation of neonicotinoids in Cyperus papyrus from enzymatic and transcriptomic perspectives. JOURNAL OF HAZARDOUS MATERIALS 2024; 462:132715. [PMID: 37844494 DOI: 10.1016/j.jhazmat.2023.132715] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2023] [Revised: 09/24/2023] [Accepted: 10/03/2023] [Indexed: 10/18/2023]
Abstract
Neonicotinoids are widely used but environmentally hazardous insecticides. Constructed wetlands offer potential for neonicotinoid removal, but the corresponding metabolic pathways and mechanisms in wetland plants are incompletely understood. This study investigated the fate of six neonicotinoids and their metabolites in Cyperus papyrus, a common wetland plant, and the underlying metabolic mechanisms through enzymatic and transcriptomic analyses. Neonicotinoids were absorbed by roots and translocated upward, causing high levels in shoots. Concentrations of neonicotinoids and their metabolites declined to their minimum at day 28 of exposure. Nitro reduction, hydroxylation, and demethylation were the major metabolic reactions with which C. papyrus responded to neonicotinoids. These reactions may be mediated by cytochrome P450 enzyme, aldehyde oxidase, glutathione-disulfide reductase, and glucuronate reductase. The toxicity of neonicotinoids in C. papyrus was evaluated according to the peroxidase and catalase enzymatic activities. Transcriptomic analysis revealed that differentially expressed genes (DEGs) mainly encoded proteins related to immune processes and cell growth regulation. Co-expression correlation analysis of DEGs revealed that the genes encoding P450s, peroxidase and glutathione S-transferase were the key functional genes. This study elucidates the stress response and degradation mechanism of neonicotinoids in wetland plants, providing new insights into the phytoremediation of organic contaminants in constructed wetlands.
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Affiliation(s)
- Huanping Liu
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China; Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), State Key Laboratory for Biocontrol, Guangzhou 510275, China
| | - Xiaoyan Tang
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China; Key Laboratory of Land Resources Evaluation and Monitoring in Southwest, Ministry of Education, Sichuan Normal University, Chengdu 610068, China.
| | - Nora Fung-Yee Tam
- School of Science and Technology, The Hong Kong Metropolitan University, Ho Man Tin, Kowloon, Hong Kong Special Administrative Region, China
| | - Qiwen Li
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China
| | - Weifeng Ruan
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China
| | - Xiaomin Xu
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China
| | - Yanxia Gao
- School of Environmental Science and Engineering, Sun Yat-Sen University, Guangzhou 510006, China
| | - Qingyun Yan
- Environmental Microbiomics Research Center, School of Environmental Science and Engineering, Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai), State Key Laboratory for Biocontrol, Guangzhou 510275, China
| | - Xiaomeng Zhang
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China
| | - Yunv Dai
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China
| | - Yang Yang
- Engineering Research Center of Tropical and Subtropical Aquatic Ecological Engineering, Ministry of Education, Institute of Hydrobiology, Jinan university, Guangzhou 510632, China.
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11
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de Araujo GF, do Espírito Santo DG, Júnior SFS, Correia FV, Saggioro EM. Toxicological approaches as tool to assess the effects of a mixture of photocatalytic degradation products originated from the unregulated neonicotinoid acetamiprid employing a terrestrial organism (Eisenia andrei). THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167271. [PMID: 37777123 DOI: 10.1016/j.scitotenv.2023.167271] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/24/2023] [Revised: 08/25/2023] [Accepted: 09/20/2023] [Indexed: 10/02/2023]
Abstract
Acetamiprid (ACT) has been detected in several water sources in Latin America. The presence of its degradation products in the environment is not negligible and transformation products (TPs) significantly contribute to environmental health risks. Although advanced oxidative processes are promising for the treatment of this neocotinoid, effects of these are still unknown. In this context, the effects of a mixture of photocatalytic degradation products resulting from an ACT treatment for 90 min employing TiO2/UV on cytotoxicity and oxidative stress parameters in Eisenia andrei earthworms in acute and chronic experiments using typical Latin American soil were assessed. Acute contact tests were performed (72 h) using a filter paper moistened with an ACT solution and a chronic test was performed using Oxisoil (200 g) moistened with an ACT solution for 45 days. Catalase (CAT) and glutathione-S-transferase (GST) activities, reduced glutathione (GSH) levels and cytotoxicity (cellular eleocyte and amoebocyte assessments) were investigated. Over 75 % of ACT was degraded within the first 15 min of treatment, with levels below the limit of detection after 60 min. The acute test revealed greater cytotoxic effects associated with the effluents treated for T0 and T15 min, with decreased cell density noted after 48 h of exposure, in addition to CAT induction (in all treatments) and GST induction following T0, T15 and T90 min exposures. Concerning the chronic assay, decreases in cell density (T0, T15, T60 and T90 min) and viability (T0, T60 and T90 min) were observed after 45 days, in addition to induced CAT activity following T0, T15 and T60 exposures and GST induction following the T60 min exposure. Reduced glutathione levels were unaltered, comprising the least sensitive biomarker among the investigated parameters to the treated effluent exposures. The mixture of ACT degradation products can cause toxic effects to non-target organisms, despite parent compound degradation, alerting for the need for ecotoxicological tests to prove decreased effluent toxicity, in addition to the improvement of degradation techniques.
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Affiliation(s)
- Gabriel Farias de Araujo
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil
| | - Danielli Gundes do Espírito Santo
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil
| | - Sidney Fernandes Sales Júnior
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil
| | - Fábio Veríssimo Correia
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil; UNIRIO, Departamento de Ciências Naturais, Av. Pasteur, 458, Urca, 22290-20 Rio de Janeiro, Brazil; Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Av. Brasil, 4.365, Manguinhos, 21040-360 Rio de Janeiro, Brazil
| | - Enrico Mendes Saggioro
- Programa de Pós-Graduação em Saúde Pública e Meio Ambiente, Sergio Arouca National School of Public Health, Oswaldo Cruz Foundation, Av. Leopoldo Bulhões 1480, 21041-210 Rio de Janeiro, RJ, Brazil; Laboratório de Avaliação e Promoção da Saúde Ambiental, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz, Av. Brasil, 4.365, Manguinhos, 21040-360 Rio de Janeiro, Brazil.
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12
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Batista NR, Farder-Gomes CF, Nocelli RCF, Antonialli-Junior WF. Effects of chronic exposure to sublethal doses of neonicotinoids in the social wasp Polybia paulista: Survival, mobility, and histopathology. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 904:166823. [PMID: 37683853 DOI: 10.1016/j.scitotenv.2023.166823] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 08/29/2023] [Accepted: 09/02/2023] [Indexed: 09/10/2023]
Abstract
Several studies have investigated the consequences of exposure to neonicotinoids in honeybees. Given the lack of studies concerning the consequences of exposure of social wasps to neonicotinoids, as well as the ecological importance of these insects, the objective of this study was to test the hypothesis that chronic exposure to sublethal concentrations of thiamethoxam decreases survival and mobility by causing damage to the brain and midgut of the social wasp Polybia paulista. The wasps were exposed to different concentrations of thiamethoxam, in order to obtain the mean lethal concentration (LC50), which was used as a reference for calculation of two sublethal concentrations (LC50/100 and LC50/10) employed in subsequent experiments. To calculate survival, groups of exposed (EW) and unexposed (UW) wasps were monitored until death, allowing calculation of the average lethal time. The EW and UW groups were evaluated after 12, 24, 48, and 72 h of exposure, considering their mobility and histopathological parameters of the midgut and brain. A lesion index based on semiquantitative analyses was used for comparison of histopathological damage. The results demonstrated that exposure to the LC50/10 led to a significantly shorter survival time of the P. paulista workers, compared to unexposed wasps. In addition, both sublethal concentrations decreased mobility and caused damage to the intestine (loss of brush border, presence of spherocrystals, loss of cytoplasmic material, and pyknosis) and the brain (loss of cell contact and pyknosis), regardless of the exposure time. The findings showed that, like bees, social wasps are nontarget insects susceptible to the detrimental consequences of neonicotinoid use, with exposure leading to impaired survival, locomotion, and physiology.
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Affiliation(s)
- Nathan Rodrigues Batista
- Centro de Estudos em Recursos Naturais, Laboratório de Ecologia Comportamental, Universidade Estadual de Mato Grosso Do Sul, Dourados, MS, Brazil; Programa de Pós-Graduação em Entomologia e Conservação da Biodiversidade, Universidade Federal da Grande Dourados, Dourados, MS, Brazil.
| | - Cliver Fernandes Farder-Gomes
- Universidade Federal de São Carlos Campus Araras, Centro de Ciências Agrárias, Departamento de Ciências da Natureza, Matemática e Educação, Rodovia Anhanguera (SP-330), Km 174, Araras, SP, 13600-970, Brazil
| | - Roberta Cornélio Ferreira Nocelli
- Universidade Federal de São Carlos Campus Araras, Centro de Ciências Agrárias, Departamento de Ciências da Natureza, Matemática e Educação, Rodovia Anhanguera (SP-330), Km 174, Araras, SP, 13600-970, Brazil
| | - William Fernando Antonialli-Junior
- Centro de Estudos em Recursos Naturais, Laboratório de Ecologia Comportamental, Universidade Estadual de Mato Grosso Do Sul, Dourados, MS, Brazil; Programa de Pós-Graduação em Entomologia e Conservação da Biodiversidade, Universidade Federal da Grande Dourados, Dourados, MS, Brazil
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13
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Gong Y, Xiong J, Tan B, Li H, Ma X, Yi H, Wang L, You J. Occurrence and water-sediment exchange of systemic insecticides and their transformation products in an agriculture-dominated basin. JOURNAL OF HAZARDOUS MATERIALS 2023; 458:131851. [PMID: 37369174 DOI: 10.1016/j.jhazmat.2023.131851] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 06/01/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023]
Abstract
Neonicotinoids (NEOs) and fipronil (FIP) are ubiquitous in aquatic environment, yet the transformation and water-sediment exchange are largely unknown for these systemic insecticides and their transformation products (TPs). Herein, occurrence, field-based partitioning coefficients, and fugacity fractions (ff) of NEOs, FIP, and their TPs were analyzed in the drainage and receiving rivers near a rice paddy field. NEOs and FIPs were frequently detected in the sediments with concentrations of TPs being often higher than the parent compounds. Average ff values of NEOs (0.944-1.00) were larger than those of FIPs (0.399-0.716), indicating NEOs had a greater tendency to diffuse from sediment into water. Similar as well-studied hydrophobic compounds, hydrophobicity was the main factor impacting the water-sediment exchange of moderately hydrophobic FIPs. Alternatively, electrostatic interactions governed the fate of hydrophilic NEOs in water-sediment system. The log Kd values of NEOs were positively correlated with their N/C ratios (p < 0.05), possibly because the negatively charged sediments (zeta potential were from -19.1 ± 0.6 to -5.84 ± 0.57 mV) generated electrostatic attraction with amino functional group. Our study highlighted the ubiquitousness of TPs and distinct water-sediment interaction for moderately hydrophobic and hydrophilic insecticides in an agriculture-dominated watershed.
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Affiliation(s)
- Yongting Gong
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, China
| | - Jingjing Xiong
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China.
| | - Baoxiang Tan
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, China
| | - Huizhen Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, China.
| | - Xue Ma
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, China
| | - Hao Yi
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China
| | - Li Wang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou 510655, China
| | - Jing You
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou 511443, China
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14
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Anderson MJ, Valdiviezo A, Conway MH, Farrell C, Andringa RK, Janik A, Chiu WA, Rusyn I, Hamer SA. Imidacloprid exposure is detectable in over one third of wild bird samples from diverse Texas ecoregions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 876:162723. [PMID: 36907393 PMCID: PMC10744339 DOI: 10.1016/j.scitotenv.2023.162723] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 03/03/2023] [Accepted: 03/04/2023] [Indexed: 06/18/2023]
Abstract
Avian decline is occurring globally with neonicotinoid insecticides posed as a potentially contributing factor. Birds can be exposed to neonicotinoids through coated seeds, soil, water, and insects, and experimentally exposed birds show varied adverse effects including mortality and disruption of immune, reproductive, and migration physiology. However, few studies have characterized exposure in wild bird communities over time. We hypothesized that neonicotinoid exposure would vary temporally and based on avian ecological traits. Birds were banded and blood sampled at eight non-agricultural sites across four Texas counties. Plasma from 55 species across 17 avian families was analyzed for the presence of 7 neonicotinoids using high performance liquid chromatography-tandem mass spectrometry. Imidacloprid was detected in 36 % of samples (n = 294); this included quantifiable concentrations (12 %; 10.8-36,131 pg/mL) and concentrations that were below the limit of quantification (25 %). Additionally, two birds were exposed to imidacloprid, acetamiprid (18,971.3 and 6844 pg/mL) and thiacloprid (7022.2 and 17,367 pg/mL), whereas no bird tested positive for clothianidin, dinotefuran, nitenpyram, or thiamethoxam, likely reflecting higher limits of detection for all compounds compared to imidacloprid. Birds sampled in spring and fall had higher incidences of exposure than those sampled in summer or winter. Subadult birds had higher incidences of exposure than adult birds. Among the species for which we tested more than five samples, American robin (Turdus migratorius) and red-winged blackbird (Agelaius phoeniceus) had significantly higher incidences of exposure. We found no relationships between exposure and foraging guild or avian family, suggesting birds with diverse life histories and taxonomies are at risk. Of seven birds resampled over time, six showed neonicotinoid exposure at least once with three showing exposures at multiple time points, indicating continued exposure. This study provides exposure data to inform ecological risk assessment of neonicotinoids and avian conservation efforts.
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Affiliation(s)
- Meredith J Anderson
- Ecology and Evolutionary Biology Interdisciplinary Program, Texas A&M University, United States of America; Schubot Center for Avian Health, Department of Veterinary Pathobiology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, United States of America
| | - Alan Valdiviezo
- Department of Veterinary Physiology and Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, United States of America
| | - Mark H Conway
- Master Bird Bander, Lower Rio Grande Valley, TX, United States of America
| | | | - R Keith Andringa
- Ecology and Evolutionary Biology Interdisciplinary Program, Texas A&M University, United States of America
| | - Amy Janik
- Schubot Center for Avian Health, Department of Veterinary Pathobiology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, United States of America
| | - Weihsueh A Chiu
- Department of Veterinary Physiology and Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, United States of America
| | - Ivan Rusyn
- Department of Veterinary Physiology and Pharmacology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, United States of America
| | - Sarah A Hamer
- Schubot Center for Avian Health, Department of Veterinary Pathobiology, School of Veterinary Medicine and Biomedical Sciences, Texas A&M University, United States of America.
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15
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Jia Q, Li B, Li B, Cai Y, Yuan X. Experiments and simulation of adsorption characteristics of typical neonicotinoids in urban stream sediments. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-27025-x. [PMID: 37248353 DOI: 10.1007/s11356-023-27025-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/11/2023] [Indexed: 05/31/2023]
Abstract
Sediment adsorption is one of the main environmental fates of neonicotinoids (NEOs) in aquatic environments. Little information is available on for the adsorption characteristics of NEOs on urban stream sediments. In this study, urban tidal stream sediments were collected to determine the adsorption properties of four selected NEOs. The influence of environmental factors on NEO adsorption was determined by the RSM-CCD method. The NEO adsorption rates on sediments were established by multiple regression equations. As a result, the adsorption of four NEOs onto sediments fitted a linear isotherm model. The adsorption amounts of thiacloprid (THA), clothianidin (CLO), acetamiprid (ACE), and imidacloprid (IMI) were 1.68 to 2.24, 1.71 to 2.89, 1.88 to 3.07, and 2.23 to 3.16 mg/kg, respectively. The adsorption processes of four NEOs on urban sediments were favorable. Moreover, adsorption behaviors of NEOs were typical physical adsorption and readily adsorbed onto urban sediments. The adsorption processes of NEOs were exothermic reactions, and their adsorption rates decreased with increasing pH. Flow rates and organic matter contents could promote the adsorption ratios of typical NEOs. Multiple linear regression was used to assess the relationships between the adsorption rates of NEOs and environmental factors. The p-values of the fitting equations of adsorption rates were all less than 0.05. Within the ranges of concentration of the investigated factors, the multiple regression equations were able to reasonably model and predict the sorption of typical NEOs onto urban stream sediments. Therefore, the adsorption rate equations effectively predicted the NEO adsorption performance of urban streams and were helpful for controlling risk assessment of NEOs.
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Affiliation(s)
- Qunpo Jia
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Bowen Li
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Bo Li
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
| | - Yanpeng Cai
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China.
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China.
| | - Xiao Yuan
- Guangdong Provincial Key Laboratory of Water Quality Improvement and Ecological Restoration for Watersheds, Institute of Environmental and Ecological Engineering, Guangdong University of Technology, Guangzhou, 510006, China
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, China
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16
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Bhende RS, Dafale NA. Insights into the ubiquity, persistence and microbial intervention of imidacloprid. Arch Microbiol 2023; 205:215. [PMID: 37129684 DOI: 10.1007/s00203-023-03516-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 03/17/2023] [Accepted: 03/23/2023] [Indexed: 05/03/2023]
Abstract
Imidacloprid, a neonicotinoid pesticide, is employed to increase crop productivity. Meanwhile, its indiscriminate application severely affects the non-target organisms and the environment. As an eco-friendly and economically workable option, the microbial intervention has garnered much attention. This review concisely outlines the toxicity, long-term environmental repercussions, degradation kinetics, biochemical pathways, and interplay of genes implicated in imidacloprid remediation. The studies have highlighted imidacloprid residue persistence in the environment for up to 3000 days. In view of high persistence, effective intervention is highly required. Bacteria-mediated degradation has been established as a viable approach with Bacillus spp. being among the most efficient at 30 ℃ and pH 7. Further, a comparative metagenomic investigation reveals dominant neonicotinoid degradation genes in agriculture compared to forest soils with distinctive microbial communities. Functional metabolism of carbohydrates, amino acids, fatty acids, and lipids demonstrated a significantly superior relative abundance in forest soil, implying its quality and fertility. The CPM, CYP4C71v2, CYP4C72, and CYP6AY3v2 genes that synthesize cyt p450 monooxygenase enzyme play a leading role in imidacloprid degradation. In the future, a systems biology approach incorporating integrated kinetics should be utilized to come up with innovative strategies for moderating the adverse effects of imidacloprid on the environment.
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Affiliation(s)
- Rahul S Bhende
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 4400 20, India
| | - Nishant A Dafale
- Environmental Biotechnology and Genomics Division, CSIR-National Environmental Engineering Research Institute (CSIR-NEERI), Nehru Marg, Nagpur, 4400 20, India.
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17
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Gu S, Li Z, Yang L, Bao X, Ying C, Zhang Q. The distribution and human health risk assessment of eight neonicotinoid residues in agricultural soils from four provinces, south China. CHEMOSPHERE 2023; 322:138143. [PMID: 36791816 DOI: 10.1016/j.chemosphere.2023.138143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2022] [Revised: 02/09/2023] [Accepted: 02/11/2023] [Indexed: 06/18/2023]
Abstract
The widespread use of neonicotinoid (neonic) insecticides in China's agricultural sector has led to high residual concentrations in the agroecosystem. Since soil is the primary source of direct pesticide exposure, soil contamination is a significant concern, particularly in regions with extensive agricultural production. This study aims to determine the spatial distribution of neonics in farmlands from four southern provinces that are home to China's crucial commercial grain bases. By combining eight neonics into imidacloprid-equivalent total neonics (IMIRPF) using the relative potency factor method, the ecological risks to humans were also assessed. The results showed that imidacloprid had the highest detection rate (96%-100%), followed by thiamethoxam and clothianidin, which ranged from 44% to 64%. Maximum and average IMIRPF values in soil samples from Zhejiang Province were 277.02 and 46.05 μg kg-1 (dry weight), respectively. Guangdong (maximum = 191.62 μg kg-1, mean = 39.70 μg kg-1) and Jiangxi (maximum = 199.13 μg kg-1, mean = 28.95 μg kg-1) had comparable IMIRPF while Jiangsu had the lowest level of total neonics, with a maximum of 86.07 μg kg-1 and a mean of 19.49 μg kg-1. A significant positive correlation between IMIRPF and total organic carbon in soils was also found. The average daily doses of neonics from soil-borne exposure through food intake, soil ingestion, inhalation, and dermal contact calculated for adults and children in each province were all lower than the reference dose (RfD, 57 μg kg-1 d-1) of imidacloprid. However, the potential health risk to human health cannot be disregarded, given their increasing use and pervasiveness in the environment. Our results help to raise concerns about the safety of the agroecological environment under neonic exposure in the major agricultural provinces of southern China.
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Affiliation(s)
- Sijia Gu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China
| | - Zhe Li
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China
| | - Liuqing Yang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China
| | - Xiaoqi Bao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China
| | - Chengfeng Ying
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China
| | - Quan Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, China.
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18
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Ying Z, Fu L, Gu S, Wang Y, Mo X, Tang T, Jin H, Zhang Q. Development of QuEChERS coupled with UHPLC-MS/MS for simultaneous determination of eight neonicotinoid pesticides in breast milk. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:597. [PMID: 37081364 DOI: 10.1007/s10661-023-11185-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Accepted: 04/01/2023] [Indexed: 05/03/2023]
Abstract
A speedy and hypersensitive method was built to detect eight neonicotinoid insecticides (neonics) in breast milk by ultrahigh-performance liquid chromatography-tandem mass spectrometry (UHPLC-MS/MS). The breast milk was extracted with a mixture of acetonitrile and water and purified with primary secondary amine (PSA) and C18. The recovery of the method ranged from 74.3 to 105.9% with relative standard deviations (RSDs) of less than 10%, and the limit of detection ranged from 0.05 to 0.18 ng/mL. Among 32 samples obtained from women 1 month postpartum, thiamethoxam and imidacloprid were the most frequently detected neonics. Moreover, thiacloprid and imidaclothiz were not detected in any samples. The concentrations of neonics in breast milk ranged from 1.90 to 149.95 ng/mL. Considering the toxic effects on mammals and even humans, infants who are exposed to neonics through ingestion of breast milk should receive extensive attention in future studies.
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Affiliation(s)
- Zeteng Ying
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China
| | - Lili Fu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China
| | - Sijia Gu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China
| | - Yan Wang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China
| | - Xunjie Mo
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China
| | - Tao Tang
- State Key Laboratory for Quality and Safety of Agro-Products, Key Laboratory for Pesticide Residue Detection of Ministry of Agriculture and Rural Affairs, Institute of Quality and Standard for Agro-Products, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang, 310021, People's Republic of China
| | - Hangbiao Jin
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China
| | - Quan Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang, 310032, People's Republic of China.
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Wu J, Zhuang M, Zou Z, Xin J, Wang F, Jia C, Zhang H. Efficient degradation of clothianidin and thiamethoxam in contaminated soil by peroxymonosulfate process. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:48211-48219. [PMID: 36750516 DOI: 10.1007/s11356-023-25738-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2022] [Accepted: 02/01/2023] [Indexed: 06/18/2023]
Abstract
The widespread use of neonicotinoids has led to their frequent detection in the environment and potential environmental risk in recent years. Clothianidin (CLO) and thiamethoxam (TMX), as the second generation of neonicotinoid insecticides, are usually used as seed agents with a high risk of residue in the soil. Efficient degradation of CLO and TMX in soil using peroxymonosulfate (PMS) process was investigated in the present study. The degradation efficiencies of CLO and TMX reached 91.4% and 98.6% in 60 min with the addition of 20 mM PMS at pH 5.5 and 25℃. High degradation efficiencies of CLO were achieved with a high PMS dosage and temperature or a low CLO concentration and initial pH. The degradation of CLO was reduced in the presence of high concentration of inorganic anions (Cl-, HCO3-). Soil organic matter might be one critical factor in the degradation of CLO and TMX. Radical scavenger experiments confirmed SO4•- and 1O2 were the dominant reactive species on the CLO and TMX degradation. Based on the detected degradation intermediates, the degradation pathways of CLO and TMX include dichlorination, hydroxylation, cleavage of C-N or C-C bond and further oxidation in the PMS-based soil. Overall, the PMS process is one effective and economical method for the remediation of the neonicotinoid contaminated soil.
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Affiliation(s)
- Junxue Wu
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing, 100097, China.
| | - Ming Zhuang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Ziyu Zou
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing, 100097, China
| | - Jianing Xin
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
| | - Fang Wang
- State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
| | - Chunhong Jia
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing, 100097, China
| | - Hongyan Zhang
- Innovation Center of Pesticide Research, Department of Applied Chemistry, College of Science, China Agricultural University, Beijing, 100193, China
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20
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Chen Y, Yu W, Zhang L, Cao L, Ling J, Liao K, Shen G, Du W, Chen K, Zhao M, Wu J, Jin H. First evidence of neonicotinoid insecticides in human bile and associated hepatotoxicity risk. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130715. [PMID: 36603418 DOI: 10.1016/j.jhazmat.2022.130715] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 12/10/2022] [Accepted: 12/30/2022] [Indexed: 06/17/2023]
Abstract
Neonicotinoids (NEOs) are widely applied in agricultural lands and are widespread in different environments, accelerating threats to ecosystems and human health. A number of in vitro/in vivo studies have reported adverse effects of NEOs on mammalian health, but the link between NEO exposure and toxic effects on human liver remains unclear. We randomly recruited 201 participants and quantified eight commercialized NEOs in bile. High frequency and concentration of detection indicate low degradation of human liver on NEOs. The main NEOs are nitenpyram and dinotefuran, which contribute to about 86% of the total residual levels of eight NEOs, due to the highest solubility in bile and are not degraded easily in liver. In contrast, imidacloprid and thiacloprid are major compounds in human blood, according to previous studies, suggesting that individual NEOs behave differently in blood and bile distribution. There was no statistical difference in NEO residues between cancer and non-cancer participants and among the different participant demographics (e.g., age, gender, and body mass index). The serum hematological parameters -bile acid, total bilirubin, cholesterol and alkaline phosphatase -were positively correlated with individual NEO concentrations, suggesting that NEO exposure affects liver metabolism and even enterohepatic circulation. The study first examined the NEO residues in human bile and provided new insights into their bioavailability and hepatoxicity risk.
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Affiliation(s)
- Yuanchen Chen
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Wenfei Yu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Li Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Linping Cao
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, PR China; Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, PR China
| | - Jun Ling
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Kaizhen Liao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Guofeng Shen
- Ministry of Education Laboratory of Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, PR China
| | - Wei Du
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science &Technology, Kunming 650500, PR China
| | - Kangjie Chen
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, PR China; Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, PR China
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China
| | - Jian Wu
- Division of Hepatobiliary and Pancreatic Surgery, Department of Surgery, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, PR China; Key Laboratory of Combined Multi-organ Transplantation, Ministry of Public Health, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang 310003, PR China
| | - Hangbiao Jin
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, PR China.
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21
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Lopes Alves PR, de Araújo RS, Ogliari Bandeira F, Matias WG. Individual and combined toxicity of imidacloprid and two seed dressing insecticides on collembolans Folsomia candida. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2023; 86:166-179. [PMID: 36756738 DOI: 10.1080/15287394.2023.2174464] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
The aim of this study was to examine the chronic toxicity of imidacloprid (IMI), clothianidin (CLO) and fipronil (FIP) as a single exposure, as well as binary mixtures of IMI with CLO or FIP toward collembolans Folsomia candida, which are fauna present in the soil. Chronic toxicity assays were performed following an ISO guideline in a Tropical Artificial Soil (TAS), and the influence on the number and growth of the juveniles produced were determined. The range of nominal concentrations used in the tests with the individual compounds was 0.08-1.28 mg/kg (IMI), 0.079-1.264 mg/kg (FIP) and 0.007-0.112 mg/kg (CLO), whereas the mixture assays were performed with half the value used in the tests with individual compounds. Based upon single exposures, IMI produced a similar impact of reducing reproduction by 50% (EC50 ranging from 0.74 to 0.85 mg/kg) compared to FIP (EC50 = 0.78 mg/kg), whereas CLO was the most toxic to F. candida (EC50 = 0.08 mg/kg). Their mixtures generally resulted in a diminished effect on reproduction, as evidenced by the higher EC50 values. In contrast, in the case of the IMI+FIP combination at high concentrations at the EC50 level, a synergistic effect on toxicity was observed. The single exposure to the three insecticides and the mixture of IMI-FIP also decreased the size of generated juveniles, which was evidenced by the reduction in the proportion of large juveniles and increased proportion of small juveniles. However, both binary mixtures (IMI-FIP and IMI-CLO) presented antagonistic effects as evidenced by less than expected reductions in growth. Data on the toxic effects of IMI in a mixture with other seed dressing insecticides to collembolans provides useful information to environmental risk assessors by diminishing the uncertainties on the ecological risk of exposure to pesticides, enabling soil management degradation by utilizing multiple insecticides.
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Affiliation(s)
| | | | - Felipe Ogliari Bandeira
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
| | - William Gerson Matias
- Department of Sanitary and Environmental Engineering, Federal University of Santa Catarina, Florianópolis, Brazil
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22
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Han B, Li J, Li S, Liu Y, Zhang Z. Effects of thiacloprid exposure on microbiota-gut-liver axis: Multiomics mechanistic analysis in Japanese quails. JOURNAL OF HAZARDOUS MATERIALS 2023; 442:130082. [PMID: 36209609 DOI: 10.1016/j.jhazmat.2022.130082] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/24/2022] [Accepted: 09/26/2022] [Indexed: 06/16/2023]
Abstract
Neonicotinoid insecticides (NNIs) are the most widely used class of pesticides globally. However, NNIs may cause adverse health effects, including chronic liver disease, and perturbation of the gut microbiota. Thiacloprid (THI) is one of the NNIs widely used in agriculture. Therefore, it is essential to elucidate effects of THI on the microbiota-gut-liver axis to assess the risk of chronic liver disease following exposure to NNIs. This study aimed at investigating whether THI exposure promoted liver injury by altering the gut microbiota and related metabolites. In this study, healthy male quails were exposed to 2 or 4 mg/kg THI or 0.75 % (w/v) saline once daily for 6 weeks, respectively. Metabolomics, 16S rRNA sequencing, and transcriptomic methods were performed to analyze the toxic mechanisms of THI in Japanese quails. We found that THI evoked damage and disruption to intestinal barrier function, leading to increased harmful substances such as lipopolysaccharide (LPS) and phenylacetic acid entering the liver. Besides, our results showed significantly altered hepatic bile acid and cholesterol metabolism in THI-exposed quails, with abnormal liver lipid metabolism, showing severe liver injury, fibrosis, and steatosis compared with the control quails. In conclusion, THI exposure aggravates liver injury via microbiota-gut-liver axis.
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Affiliation(s)
- Biqi Han
- College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Harbin 150030, China
| | - Jiayi Li
- College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Harbin 150030, China
| | - Siyu Li
- College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Harbin 150030, China
| | - Yan Liu
- Life Sciences and Food Engineering, Inner Mongolia Minzu University, Tongliao 028000, China
| | - Zhigang Zhang
- College of Veterinary Medicine, Northeast Agricultural University, 600 Changjiang Road, Harbin 150030, China.
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23
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Wang J, Yin R, Liu Y, Wang B, Wang N, Xiao P, Xiao T, Hirai H. Meta-analysis of neonicotinoid insecticides in global surface waters. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:1039-1047. [PMID: 35907075 DOI: 10.1007/s11356-022-22270-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
Neonicotinoids (NEOs) are a class of insecticides that have high insecticidal activity and are extensively used worldwide. However, increasing evidence suggests their long-term residues in the environment and toxic effects on nontarget organisms. NEO residues are frequently detected in water and consequently have created increasing levels of pollution and pose significant risks to humans. Many studies have focused on NEO concentrations in water; however, few studies have focused on global systematic reviews or meta-analyses of NEO concentrations in water. The purpose of this review is to conduct a meta-analysis on the concentration of NEOs in global waters based on published detections from several countries to extend knowledge on the application of NEOs. In the present study, 43 published papers from 10 countries were indexed for a meta-analysis of the global NEO distribution in water. Most of these studies focus on the intensive agricultural area, such as eastern Asia and North America. The order of mean concentrations is identified as imidacloprid (119.542 ± 15.656 ng L-1) > nitenpyram (88.076 ± 27.144 ng L-1) > thiamethoxam (59.752 ± 9.068 ng L-1) > dinotefuran (31.086 ± 9.275 ng L-1) > imidaclothiz (24.542 ± 2.906 ng L-1) > acetamiprid (23.360 ± 4.015 ng L-1) > thiacloprid (11.493 ± 5.095 ng L-1). Moreover, the relationships between NEO concentrations and some environmental factors are analyzed. NEO concentrations increase with temperature, oxidation-reduction potential, and the percentage of cultivated crops but decrease with stream discharge, pH, dissolved oxygen, and precipitation. NEO concentrations show no significant relations to turbidity and conductivity.
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Affiliation(s)
- Jianqiao Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Ru Yin
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Yilin Liu
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Beijia Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Nana Wang
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
| | - Pengfei Xiao
- College of Forestry, Northeast Forestry University, Harbin, 150040, China
| | - Tangfu Xiao
- Key Laboratory for Water Quality and Conservation of the Pearl River Delta, Ministry of Education, School of Environmental Science and Engineering, Guangzhou University, Guangzhou, 510006, China
- State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu, 610059, China
| | - Hirofumi Hirai
- Faculty of Agriculture, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
- Research Institute of Green Science and Technology, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
- Research Institute for Mushroom Science, Shizuoka University, 836 Ohya, Suruga-ku, Shizuoka, 422-8529, Japan.
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24
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Shang C, Chen A, Cao R, Luo S, Shao J, Zhang J, Peng L, Huang H. Response of microbial community to the remediation of neonicotinoid insecticide imidacloprid contaminated wetland soil by Phanerochaete chrysosporium. CHEMOSPHERE 2023; 311:136975. [PMID: 36283437 DOI: 10.1016/j.chemosphere.2022.136975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 10/06/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Imidacloprid (IMI), a typic neonicotinoid insecticide, is widely used and persist in soils with long half-time causing serious threat to ecosystem and human health. It is urgent to develop suitable and effective methods to accelerate it degradation and alleviate its negative impacts in soil. In this study, the introduction of functional microbe white-rot fungus Phanerochaete chrysosporium to remediate IMI contaminated wetland soil was carried out. The remediation performance and the response of the soil microbial community were examined. The results showed that P. chrysosporium could improve the degradation of IMI in soil no matter the soil was sterilized or not. The bioaugmentation was especially observed in non-sterilized soil under the inoculation patterns of FE and SP with the maximum IMI degradation rate of 91% and 93% in 7 days, respectively. The invertase activity in soil was also enhanced with P. chrysosporium inoculation. Microbial community analysis revealed that P. chrysosporium inoculation could increase the diversity and richness of bacterial community, and stimulate some IMI degraders genera including Ochrobactrum, Leifsonia, Achromobacter, and Bacillus. Moreover, the xenobiotic degradation and metabolism pathway was generally enhanced with P. chrysosporium inoculation based on PICRUSt analysis. These obtained results demonstrated that the introduction of white-rot fungus is of great potentially enabling the remediation of neonicotinoids contaminated soil.
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Affiliation(s)
- Cui Shang
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Anwei Chen
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China.
| | - Ruoyu Cao
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Si Luo
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Jihai Shao
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Jiachao Zhang
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Liang Peng
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
| | - Hongli Huang
- College of Resources and Environment, Hunan Agricultural University, Changsha, 410128, PR China
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25
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Huang C, Wen P, Hu G, Wang J, Wu Q, Qi J, Ding P, Cai L, Yu Y, Zhang L. Residues of neonicotinoid insecticides in surface sediments in lakes and rivers across Jiangsu Province: Impact of regional characteristics and land use types. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 313:120139. [PMID: 36087892 DOI: 10.1016/j.envpol.2022.120139] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 08/29/2022] [Accepted: 09/05/2022] [Indexed: 06/15/2023]
Abstract
Neonicotinoid insecticides (NNIs) had been detected in soil and surface water frequently because of extensive use worldwide, however, data regarding regional characteristics and potential influential factors of sediment were scarce. In the present study, eight NNIs were analyzed in 86 surface sediment samples from different regions (central cities, rural areas and suburbs) and land use types (construction land and crop land) in Jiangsu Province. NNIs were widespread in the sediments, with a mean value of 1.73 ± 0.89 ng g-1 dry weight (dw) (ranged from 0.41 to 3.87 ng g-1 dw). Imidaclothiz (IMIZ), dinotefuran (DIN) and nitenpyram (NIT) were the dominant compounds in the surface sediment, accounted for half of combined total. The results of regional distribution analysis show that NNIs were at higher concentrations in rural areas and crop land, while the residues of NNIs in lakes were more severe compare with rivers in Jiangsu Province. Region characteristics and land use types have an influence on residues of NNIs in surface sediment. Principal component analysis showed that residues of NNIs in surface sediment in Jiangsu Province mainly originated from protect grain crops (maize), fruit (apples, pears) and vegetables in agricultural systems. The residues of NNIs were found to be mostly concentrated in the northwest and northeast in Jiangsu Province, where were the area of intensive agriculture. To investigate the residues of NNIs, while identify the contributing factors, could provide a scientific basis for basic of region environment management and pollution control.
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Affiliation(s)
- Chushan Huang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Pengchong Wen
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China; College of Resources and Environment, Yangtze University, Wuhan, 430100, China
| | - Guocheng Hu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Juanheng Wang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China; College of Resources and Environment, Yangtze University, Wuhan, 430100, China
| | - Qingyao Wu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China; School of Environmental and Chemical Engineering, Chongqing Three Gorges University, China
| | - Jianying Qi
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Ping Ding
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Limei Cai
- College of Resources and Environment, Yangtze University, Wuhan, 430100, China
| | - Yunjiang Yu
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China
| | - Lijuan Zhang
- State Environmental Protection Key Laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences, Ministry of Ecology and Environment, Guangzhou, 510655, China.
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26
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Ying Z, Guo B, Zhang G, Sun L, Yang X, Zhang Q. The Characteristics and Potential Risks of Neonicotinoid Residues in Soils of Different Types of Land Use in Hangzhou. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 245:114091. [PMID: 36155336 DOI: 10.1016/j.ecoenv.2022.114091] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 09/04/2022] [Accepted: 09/13/2022] [Indexed: 06/16/2023]
Abstract
Due to the wide existence of neonicotinoid insecticides (neonics) and their potential impact on ecosystems and human health, they have received special attention in recent years. Soil is not only a sink of neonics but also a source of neonics, so it plays a key role in the ubiquity of neonics in the environment. The purpose of this research was to compare neonics residues in soils of different types of land use and estimate their exposure to different populations via ingestion. A total of 130 soil samples from six different types were collected. The concentrations of seven neonics in soil were simultaneous determined using isotope-dilution ultra-performance liquid chromatography-tandem mass spectrometry. The results showed that at least one neonic was analyzed in all samples. The highest average concentration was 3.42 ng/g (clothianidin), followed by 3.39 ng/g (thiamethoxam), 3.06 ng/g (acetamiprid), 2.84 ng/g (imidacloprid), 2.66 ng/g (nitenpyram), 2.43 ng/g (thiacloprid), and 1.89 ng/g (dinotefuran). IMI and ACE were the most commonly found neonics in soil. The neonic levels in different soils varied significantly. The integrated neonic residue in cropland was much higher than that in other types of land. The risk assessment revealed that the average daily dose (ADD) through ingestion contact with soil was acceptable to children and adults. With the increasing evidence that neonics could cause a variety of toxic effects on mammals and humans, ingestion exposure caused by neonics in soil should also receive continuous attention in future studies.
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Affiliation(s)
- Zeteng Ying
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Bin Guo
- Institute of Environment, Resource, Soil and Fertilizer, Zhejiang Academy of Agricultural Sciences, Hangzhou, Zhejiang 310021, China
| | - Guomei Zhang
- College of food science and Engineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, China
| | - Lihua Sun
- College of food science and Engineering, Hangzhou Medical College, Hangzhou, Zhejiang 310013, China
| | - Xifan Yang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China
| | - Quan Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Zhejiang University of Technology, Hangzhou, Zhejiang 310032, China.
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Queiroz LG, do Prado CCA, da Silva DCVR, Gomes LET, Marassi RJ, Almeida ÉC, Pinto E, da Silva FT, de Paiva TCB. Ecological risk of imidacloprid on the Brazilian non-target freshwater organisms Chironomus sancticaroli and Poecilia reticulata. ENVIRONMENTAL MONITORING AND ASSESSMENT 2022; 194:751. [PMID: 36074195 DOI: 10.1007/s10661-022-10418-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Imidacloprid (IMI) is a neonicotinoid insecticide widely used in agriculture worldwide. This pesticide has been found in freshwater ecosystems, including Brazilian freshwaters. For this reason, studies are being conducted to detect the presence of IMI in freshwater and understand its effects on the aquatic biota. In the present study, the acute toxic effect of the imidacloprid commercial formulation (ICF) Galeão® on the Brazilian non-target aquatic organisms Chironomus sancticaroli and Poecilia reticulata was evaluated. Enzymatic activities (glutathione S-transferase (GST), catalase (CAT), and ascorbate peroxidase (APX)) were also determined. Moreover, we considered 11 studies that detected IMI concentrations up to 3.65 µg.L-1 in 28 different Brazilian freshwaters to evaluate the acute ecological risk of IMI in these environments. From the ecotoxicological assays, we determined the LC50 values for C. sancticaroli (LC50-48 h 1.52 µg.L-1) and P. reticulata (LC50-96 h 122.65 mg.L-1). The high sensitivity of C. sancticaroli demonstrates that this species could be used as a bioindicator in studies investigating the contamination of freshwater by IMI. Enzymatic activity changes were observed in both organisms and offered sublethal responses to the effects of the pollution by IMI on aquatic biota. Our results suggest that the presence of IMI in Brazilian aquatic ecosystems can represent a potential ecological risk for the aquatic insect populations and, consequently, cause an imbalance in these ecosystems. The present study provides relevant and comparable toxicity information that may be useful to develop public policies to protect the Brazilian aquatic ecosystem from IMI contamination.
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Affiliation(s)
- Lucas Gonçalves Queiroz
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, São Paulo, Brazil.
| | - Caio César Achiles do Prado
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, São Paulo, Brazil
| | | | - Luiz Eduardo Thans Gomes
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, São Paulo, Brazil
| | - Rodrigo José Marassi
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, São Paulo, Brazil
| | - Éryka Costa Almeida
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Ernani Pinto
- Department of Clinical and Toxicological Analyses, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, São Paulo, Brazil
| | - Flávio Teixeira da Silva
- Department of Biotechnology, School of Engineering of Lorena, University of São Paulo, Lorena, São Paulo, Brazil
| | - Teresa Cristina Brazil de Paiva
- Department of Basic and Environmental Sciences, School of Engineering of Lorena, University of São Paulo, Lorena, São Paulo, Brazil
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Zou Z, Huang X, Guo X, Jia C, Li B, Zhao E, Wu J. Efficient degradation of imidacloprid in soil by thermally activated persulfate process: Performance, kinetics, and mechanisms. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 241:113815. [PMID: 36068744 DOI: 10.1016/j.ecoenv.2022.113815] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 06/11/2022] [Accepted: 06/23/2022] [Indexed: 06/15/2023]
Abstract
Imidacloprid (IMI) as a first-generation commercial neonicotinoid has been frequently detected in the environment in recent years. In this study, the efficient degradation of IMI in soil by a thermally activated persulfate (PS) process was investigated. The degradation efficiencies of IMI were in the range of 82-97% with the PS dosage of 10 mM, when the initial concentrations of IMI were 5-50 mg/kg in the soil. Degradation of the IMI was fitted with a pseudo-first-order kinetic model under different reaction temperatures. Inhibition effects of the common inorganic anions on the IMI degradation in the system followed the order Cl- > HCO3- > H2PO4- > NO3-. Soil pH and soil organic matter were also main factors affecting the degradation of IMI. The degradation efficiencies (64-97%) of three other typical neonicotinoids (acetamiprid, clothianidin, and dinotefuran) indicated that the thermally activated persulfate process could be used for remediation of neonicotinoid-contaminated soil. Quenching experiments indicated that the major reactive species in IMI degradation were SO4•-, O2•-, and •OH. Six degradation intermediates of IMI were inferred in the soil, and degradation pathways of IMI included hydroxylation, denitrification, C-N bond break and further oxidation.
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Affiliation(s)
- Ziyu Zou
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China; College of Agricultural Sciences, Jiangxi Agricultural University, Nanchang 330045, China
| | - Xin Huang
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Xingle Guo
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Chunhong Jia
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Baotong Li
- College of Agricultural Sciences, Jiangxi Agricultural University, Nanchang 330045, China
| | - Ercheng Zhao
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China
| | - Junxue Wu
- Institute of Plant Protection, Beijing Academy of Agriculture and Forestry Science, Beijing 100097, China.
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Neonicotinoid contamination in tropical estuarine waters of Indonesia. Heliyon 2022; 8:e10330. [PMID: 36090204 PMCID: PMC9449554 DOI: 10.1016/j.heliyon.2022.e10330] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 07/10/2022] [Accepted: 08/12/2022] [Indexed: 11/21/2022] Open
Abstract
Previous studies conducted in other countries showed that neonicotinoid insecticides contaminated environmental waters and reduced aquatic invertebrate abundance. This study analysed neonicotinoid concentrations in estuarine waters of Indramayu Regency, Indonesia, and their potential toxicity to the aquatic environment. Data collection included water sampling and analysis, watershed and paddy field analyses, and literature review. The results showed that the detection frequency of neonicotinoids was 75%, with imidacloprid and thiamethoxam having the highest mean concentrations compared to other compounds. The sample collected in August 2021 from an estuary in the Patrol sub-district contained the highest total neonicotinoid concentration (140.26 ng/L). Five samples (31.25%) contained imidacloprid concentrations that exceeded the chronic benchmark regulated by the Netherlands, thus related regulation and policies are encouraged to be established in Indonesia to prevent potential harmful effect of neonicotinoids to the aquatic environment. There was no significant correlation between the neonicotinoid concentrations and the paddy field and watershed sizes as well as the land use proportion for paddy fields within the watershed. This study is the first to report neonicotinoid contamination in Indonesian estuarine waters.
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Zhang C, Dionysiou DD, Wen R, Zhang H, Wan X, Wang X, Li F, Li Y, Zhou Q, Ying GG, Huang M. Inference of emission history of neonicotinoid pesticides from marine sediment cores impacted by riverine runoff of a developed agricultural region: The Pearl River Basin, China. WATER RESEARCH 2022; 218:118475. [PMID: 35472748 DOI: 10.1016/j.watres.2022.118475] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2022] [Revised: 04/13/2022] [Accepted: 04/17/2022] [Indexed: 06/14/2023]
Abstract
Neonicotinoids (NEOs), as the most-consumed pesticides on a global scale, have posed a serious threat to human health and ecological environment. Information regarding the emission history of NEOs is of great importance to improve the prediction of their environmental loading and biological risk potential. In the present study, contamination levels and compositions of 12 NEOs were identified in 8 sediment cores from the Lingdingyang Estuary, which was impacted by agricultural emissions in riverine runoff of the Pearl River Basin for centuries. The total concentration of 12 target NEOs (∑12NEOs) ranged from 0.02 to 69.5 ng/g dw along the sediment core profile, with a mean of 12.9 ± 15.9 ng/g dw. Net deposition fluxes and concentrations of 5 parent NEOs experienced a remarkable exponential increase in the vertical profile of sediment cores, except for imidacloprid (IMI). Despite the similar exponential growth before 2012, subsequent decreased levels of IMI in historical sediment indicated its gradual replacement by other NEOs. IMI was the NEO with the highest frequency of 80.3% and the highest mean concentration of 7.66 ± 8.76 ng/g dw. The ecological risk assessment of NEOs suggests that 65.1% of sediment samples exceeded the chronic threshold for aqueous organisms using equilibrium partitioning approach. Since downward diffusion of NEOs in the Lingdingyang Estuary was rectified by their rapid desorption, the sedimentary record probably provided an accurate illustration of agricultural NEO emissions in the Pearl River Basin, China. The recent NEO inventory in the adjacent waters of core sites was estimated with a mean of 76.8 tons/yr. This study provides insights into the role of agricultural emission in riverine runoff in the environmental loads of NEOs in the historical sediment.
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Affiliation(s)
- Chao Zhang
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China
| | - Dionysios D Dionysiou
- Department of Chemical and Environmental Engineering (ChEE), Environmental Engineering and Science Program, University of Cincinnati, Cincinnati, OH 45221-0012, United States
| | - Rubing Wen
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China
| | - Huike Zhang
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Xin Wan
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Xinzhi Wang
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Feng Li
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China.
| | - Yingqiang Li
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Qiao Zhou
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Mingzhi Huang
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China; SCNU Qingyuan Institute of Science and Technology Innovation Co., Ltd, Qingyuan 511517, PR China; South China Intelligence Environment Technology (Qingyuan) Co., Ltd, Qingyuan 511517, PR China.
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31
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Chen Y, Wu R, Zhang L, Ling J, Yu W, Shen G, Du W, Zhao M. High spatial resolved cropland coverage and cultivation category determine neonicotinoid distribution in agricultural soil at the provincial scale. JOURNAL OF HAZARDOUS MATERIALS 2022; 430:128476. [PMID: 35739663 DOI: 10.1016/j.jhazmat.2022.128476] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2021] [Revised: 02/08/2022] [Accepted: 02/09/2022] [Indexed: 06/15/2023]
Abstract
Croplands are experiencing increasing neonicotinoid pollution and ecological health problems, which are especially widely applied in China. However, the large regional scale distribution of neonicotinoids and the key factors have seldom been determined. We show that the total residual concentration of neonicotinoids ranged from 13.4 to 157 ng/g with an average level of 75.8 ng/g and imidacloprid which was the dominant compound ranged from 10.4 to 81.3 ng/g during 2017-2021 in the Yangtze River Delta, China. In comparison, the neonicotinoid residues detected here were mostly higher than those in other regions. We further show that the 1-km spatial resolution cropland coverage (78.0%) and crop type (18.1%) predominantly contributed to the large spatial variation of neonicotinoids after adjusting for the factors including temperature, soil pH, soil moisture, and precipitation via automatic linear regression modeling at the provincial scale. Additional analyses revealed that tea croplands had significantly lowest concentration and fruit fields had the highest level due to the different application methods. Our findings provide new insight into key factors quantifying the high spatial resolved distribution of neonicotinoids and urgently call for reasonable application methods against rapidly growing ecology threats from neonicotinoid pollution in China.
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Affiliation(s)
- Yuanchen Chen
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Research Center of Environmental Science, Zhejiang University of Technology, Hangzhou 310032, China
| | - Ruxin Wu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Research Center of Environmental Science, Zhejiang University of Technology, Hangzhou 310032, China
| | - Li Zhang
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Research Center of Environmental Science, Zhejiang University of Technology, Hangzhou 310032, China
| | - Jun Ling
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Research Center of Environmental Science, Zhejiang University of Technology, Hangzhou 310032, China
| | - Wenfei Yu
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Research Center of Environmental Science, Zhejiang University of Technology, Hangzhou 310032, China
| | - Guofeng Shen
- Ministry of Education Laboratory of Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing 100871, China
| | - Wei Du
- Yunnan Provincial Key Laboratory of Soil Carbon Sequestration and Pollution Control, Faculty of Environmental Science & Engineering, Kunming University of Science &Technology, Kunming 650500, China; Key Laboratory of Geographic Information Science (Ministry of Education), School of Geographic Sciences, East China Normal University, Shanghai 200241, China
| | - Meirong Zhao
- Key Laboratory of Microbial Technology for Industrial Pollution Control of Zhejiang Province, College of Environment, Research Center of Environmental Science, Zhejiang University of Technology, Hangzhou 310032, China.
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32
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Zhang D, Lu S. Human exposure to neonicotinoids and the associated health risks: A review. ENVIRONMENT INTERNATIONAL 2022; 163:107201. [PMID: 35344909 DOI: 10.1016/j.envint.2022.107201] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/08/2022] [Accepted: 03/21/2022] [Indexed: 06/14/2023]
Abstract
Neonicotinoids (NEOs) are a class of broad-spectrum insecticides dominant in the global market. They were distributed extensively in the environment and occurred frequently in humans. Potential health effects of NEOs, such as neurological toxicity and diabetes to non-targeted mammals, have raised concerns. This review summarizes analytical methods of NEOs in human samples, their internal exposure levels and composition profiles in urine, blood, hair, breast milk, saliva and tooth samples with global comparisons, and daily NEOs exposure dose and relative health risks.Urinary NEOs levels in Asian populations were substantially higher than those in the U.S. and Europe, which may be due to different dietary patterns and insecticide applications across regions. N-desmethyl acetamiprid, 5-hydroxy-imidacloprid and olefin-imidacloprid were dominant among detected NEOs. NEO metabolites exhibited higher detection frequencies and levels than their parent compounds in humans, while investigations on NEO metabolites remain much limited. Current exposure assessments mainly focused on short-term urine analysis, while biomaterials for long-term monitoring, such as hair, nail and other alternatives, should also be considered. Large-scale epidemiological studies are critically needed to elucidate potential health outcomes associated with NEOs exposure.
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Affiliation(s)
- Duo Zhang
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China
| | - Shaoyou Lu
- School of Public Health (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China.
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33
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Chang Y, Chen Y, Jiao S, Lu X, Fang Y, Liu Y, Zhao Y, Zhan X, Zhu G, Guo Y. A Novel Full-length IgG Recombinant Antibody Highly Specific to Clothianidin and Its Application in Immunochromatographic Assay. BIOSENSORS 2022; 12:bios12040233. [PMID: 35448293 PMCID: PMC9032790 DOI: 10.3390/bios12040233] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Revised: 04/04/2022] [Accepted: 04/10/2022] [Indexed: 01/12/2023]
Abstract
The toxicity of clothianidin to non-target organisms has gradually attracted world-wide attention. It is essential to develop reliable methods for the on-site detection of clothianidin residue. In this study, analogue-based heterologous ic-ELISAs were designed to rapidly screen desirable hybridomas, which could be used for the construction of recombinant antibodies (RAbs) against clothianidin. Based on the antibody variable region genes, two full-length IgG RAbs (1F7-RAb and 5C3-RAb) were produced by the mammalian cell expression system. The performance of the two RAbs was characterized and compared by heterologous ic-ELISAs and non-competitive surface plasmon resonance (SPR) assays. Using heterologous ic-ELISAs, the 1F7-RAb exhibited highly specific and sensitive recognition to clothianidin with an IC50 of 4.62 μg/L, whereas the 5C3-RAb could bind to both clothianidin and dinotefuran. The results of the non-competitive SPR assay further verified that the 1F7-RAb had a higher specificity and affinity to clothianidin than the 5C3-RAb. Finally, a gold immunochromatographic assay based on the novel antibody, 1F7-RAb, was developed for rapid detection of clothianidin with high sensitivity (visual detection limit of 2.5 μg/L), specificity, and good reproducibility, which can be used as an effective supervision tool for clothianidin residue in agricultural and environmental samples.
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Affiliation(s)
- Yunyun Chang
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Yang Chen
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Shasha Jiao
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Xinying Lu
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Yihua Fang
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Yihua Liu
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
- Research Institute of Subtropical Forestry, Chinese Academy of Forestry, Hangzhou 311400, China
- Correspondence: (Y.L.); (Y.G.)
| | - Ying Zhao
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Xiuping Zhan
- Shanghai Agricultural Technology Extension Service Center, Shanghai 201103, China;
| | - Guonian Zhu
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
| | - Yirong Guo
- Institute of Pesticide and Environmental Toxicology, Key Laboratory of Biology of Crop Pathogens and Insects of Zhejiang Province, Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Zhejiang University, Hangzhou 310058, China; (Y.C.); (Y.C.); (S.J.); (X.L.); (Y.F.); (Y.Z.); (G.Z.)
- Correspondence: (Y.L.); (Y.G.)
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34
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Nan Z, Bata W, Zhanpeng Z, Chen X, Yue H, Qihui L, Zhang H. Response to comment on "Occurrence of neonicotinoid insecticides and their metabolites in tooth samples collected from south China: Associations with periodontitis". CHEMOSPHERE 2022; 291:132804. [PMID: 34800512 DOI: 10.1016/j.chemosphere.2021.132804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 11/04/2021] [Indexed: 06/13/2023]
Affiliation(s)
- Zhang Nan
- Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Wang Bata
- Department of Orthopedics, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Zhang Zhanpeng
- Department of Dermatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Xufeng Chen
- Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Huang Yue
- Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Liu Qihui
- The Biomedical Translational Research Institute, Jinan University Faculty of Medical Science, Jinan University, Guangzhou, 510632, PR China.
| | - Hua Zhang
- The Biomedical Translational Research Institute, Jinan University Faculty of Medical Science, Jinan University, Guangzhou, 510632, PR China.
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35
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Schuhmann A, Schmid AP, Manzer S, Schulte J, Scheiner R. Interaction of Insecticides and Fungicides in Bees. FRONTIERS IN INSECT SCIENCE 2022; 1:808335. [PMID: 38468891 PMCID: PMC10926390 DOI: 10.3389/finsc.2021.808335] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Accepted: 12/29/2021] [Indexed: 03/13/2024]
Abstract
Honeybees and wild bees are among the most important pollinators of both wild and cultivated landscapes. In recent years, however, a significant decline in these pollinators has been recorded. This decrease can have many causes including the heavy use of biocidal plant protection products in agriculture. The most frequent residues in bee products originate from fungicides, while neonicotinoids and, to a lesser extent, pyrethroids are among the most popular insecticides detected in bee products. There is abundant evidence of toxic side effects on honeybees and wild bees produced by neonicotinoids, but only few studies have investigated side effects of fungicides, because they are generally regarded as not being harmful for bees. In the field, a variety of substances are taken up by bees including mixtures of insecticides and fungicides, and their combinations can be lethal for these pollinators, depending on the specific group of insecticide or fungicide. This review discusses the different combinations of major insecticide and fungicide classes and their effects on honeybees and wild bees. Fungicides inhibiting the sterol biosynthesis pathway can strongly increase the toxicity of neonicotinoids and pyrethroids. Other fungicides, in contrast, do not appear to enhance toxicity when combined with neonicotinoid or pyrethroid insecticides. But the knowledge on possible interactions of fungicides not inhibiting the sterol biosynthesis pathway and insecticides is poor, particularly in wild bees, emphasizing the need for further studies on possible effects of insecticide-fungicide interactions in bees.
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Affiliation(s)
- Antonia Schuhmann
- Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany
| | - Anna Paulina Schmid
- Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany
| | - Sarah Manzer
- Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany
| | - Janna Schulte
- Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany
- Institute of Biology and Environmental Sciences, University of Oldenburg, Oldenburg, Germany
| | - Ricarda Scheiner
- Behavioral Physiology and Sociobiology, University of Würzburg, Würzburg, Germany
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36
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Zheng T, Zhang J, Tang C, Zhang Y, Duan J. Persistence and vertical distribution of neonicotinoids in soils under different citrus orchards chrono sequences from southern China. CHEMOSPHERE 2022; 286:131584. [PMID: 34293560 DOI: 10.1016/j.chemosphere.2021.131584] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Revised: 06/16/2021] [Accepted: 07/15/2021] [Indexed: 05/27/2023]
Abstract
Continual input of neonicotinoid insecticides occurs in the citrus orchards from southern China. However, it is still unknown about the variations in the distribution and accumulation of neonicotinoids in soil profiles along a long-term chronosequence of cultivation and the driving factors contributing to these shifts. Here, changes of neonicotinoids in the 0-100 cm soil profiles with distinct orchard cultivation age (1, 10, and 20 years) were investigated, and their related factors were further determined. The results showed that the total levels of five target neonicotinoids (∑5NEOs) in the soil profiles were in the range of 0-25.76 ng/g dw. Imidacloprid was the most dominating neonicotinoid, followed by thiamethoxam. We observed higher neonicotinoid accumulations in the soil profiles from the citrus orchards after 10 and 20 years of cultivation. Neonicotinoids migrated deeper into the soil profiles in orchards with a longer time since cultivation. Imidacloprid, thiamethoxam, and the total amount of neonicotinoid (∑5NEOs) were mainly affected by the cultivation age of citrus orchards (accounting for 58.9% variance; P < 0.001); whereas clothianidin, acetamiprid, and thiacloprid were mainly influenced by soil depths (accounting for 66.9-85.2% variance; P < 0.05). Redundancy analyzes further indicated that the enhanced accumulation of neonicotinoids was mainly correlated with the increase of soil organic carbon (SOC) content and soil porosity, and the reduction of bulk density in the profiles of citrus orchards with increasing cultivation age. This study highlights the finding that we should give more concerns about the contamination and ecological risks of neonicotinoids in the orchards with a long cultivation age.
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Affiliation(s)
- Taihui Zheng
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China; Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention, Nanchang, 330029, China.
| | - Jie Zhang
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China; Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention, Nanchang, 330029, China
| | - Chongjun Tang
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China; Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention, Nanchang, 330029, China
| | - Yongfen Zhang
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China; Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention, Nanchang, 330029, China
| | - Jian Duan
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China; Jiangxi Provincial Key Laboratory of Soil Erosion and Prevention, Nanchang, 330029, China
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Zheng T, Hu T, Zhang J, Tang C, Duan J, Song Y, Zhang Q. Dynamics in imidacloprid sorption related to changes of soil organic matter content and quality along a 20-year cultivation chronosequence of citrus orchards. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 291:118069. [PMID: 34530243 DOI: 10.1016/j.envpol.2021.118069] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 08/23/2021] [Accepted: 08/28/2021] [Indexed: 06/13/2023]
Abstract
The on-going and extensive use of neonicotinoids occur in orchards. However, it is still unknown whether and how orchard management affects soil properties, especially the contents and structure of soil organic matter during orchard development, and their further influences on neonicotinoid persistence. Here, surface soil samples were collected from the citrus orchards with different cultivation ages (1, 10, 14, and 20 years), and their physicochemical properties were determined. Changes in the chemical structure of soil organic matter (SOM) were furtherly examined using solid-state CP/TOSS 13C NMR. Then, the sorption isotherms of imidacloprid in these soils were investigated. The sorption coefficient (Kd) of imidacloprid at Ce of 0.05 mg/L in the orchard soils increased by 19.4-23.3%, along a 20-year chronosequence of cultivation, which should be mainly ascribed to the increase of SOM. However, the organic carbon-normalized sorption coefficient (Koc, sorption per unit mass of OM) of imidacloprid declined with increasing cultivation ages. Moreover, the polar and aliphatic domains of SOM had a significantly positive relation to the Koc of imidacloprid, suggesting its key role in governing imidacloprid sorption. The results highlighted that reasonable management measures could be adopted to control the occurrence and fate of neonicotinoids in soils, mainly by affecting the content and quality of SOM.
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Affiliation(s)
- Taihui Zheng
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China
| | - Tong Hu
- Key Laboratory of Poyang Lake Watershed Agricultural Resources and Ecology of Jiangxi Province, Jiangxi Agricultural University College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang, 330045, China
| | - Jie Zhang
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China
| | - Chongjun Tang
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China
| | - Jian Duan
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China
| | - Yuejun Song
- Jiangxi Academy of Water Science and Engineering, Nanchang, 330029, China
| | - Qin Zhang
- Key Laboratory of Poyang Lake Watershed Agricultural Resources and Ecology of Jiangxi Province, Jiangxi Agricultural University College of Land Resources and Environment, Jiangxi Agricultural University, Nanchang, 330045, China.
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Zhang C, Yi X, Xie L, Liu H, Tian D, Yan B, Li D, Li H, Huang M, Ying GG. Contamination of drinking water by neonicotinoid insecticides in China: Human exposure potential through drinking water consumption and percutaneous penetration. ENVIRONMENT INTERNATIONAL 2021; 156:106650. [PMID: 34038813 DOI: 10.1016/j.envint.2021.106650] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 05/10/2021] [Accepted: 05/13/2021] [Indexed: 06/12/2023]
Abstract
Neonicotinoids (NEOs) are the most widely used pesticides and have posed a serious threat to human health. However, data on human exposure to NEOs are extremely scarce. To bridge this gap, human exposure potential of NEOs through drinking water consumption and percutaneous penetration was evaluated with the influences of 17 age groups, 4 seasons, 6 regions, and 2 genders. The results showed that drinking water in the present study had an upper middle level of NEO contamination. Anthropogenic activity and weather condition played important roles in the regional distribution of NEOs in tap water. For both children and adults, NEOs intake from drinking water exposure (NDE) and percutaneous exposure (NPE) in the south regions of China are significantly higher than those in the north regions, while the order of NDE and NPE by season is summer > spring = autumn > winter. Furthermore, human age and gender also have remarkable impacts on NDE and NPE. The age groups of children subjected to the highest NDE and NPE were 9 months - 2 years old and 9-12 years old, respectively. This study provides insights into the role of seasonal and regional influence, age and gender in the risk of drinking water and percutaneous exposure to NEOs.
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Affiliation(s)
- Chao Zhang
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China; School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China
| | - Xiaohui Yi
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Lingtian Xie
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Hongbin Liu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, PR China
| | - Di Tian
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Bo Yan
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Dongya Li
- School of Environmental Engineering, Wuhan Textile University, Wuhan, 430073, PR China
| | - Huanxuan Li
- College Materials & Environmental Engineering, Hangzhou Dianzi University, Hangzhou, 310018, PR China
| | - Mingzhi Huang
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China.
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, School of Environment, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, PR China
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Farag MR, Khalil SR, Zaglool AW, Hendam BM, Moustafa AA, Cocco R, Di Cerbo A, Alagawany M. Thiacloprid Induced Developmental Neurotoxicity via ROS-Oxidative Injury and Inflammation in Chicken Embryo: The Possible Attenuating Role of Chicoric and Rosmarinic Acids. BIOLOGY 2021; 10:biology10111100. [PMID: 34827094 PMCID: PMC8614723 DOI: 10.3390/biology10111100] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/15/2021] [Accepted: 10/22/2021] [Indexed: 12/11/2022]
Abstract
Simple Summary The current study was designed to evaluate the negative impact of thiacloprid (TH) on the brain tissue of developing chicken embryo models and to evaluate the modulatory effects of chicoric (CA) and rosmarinic (RA) acids. The eggs were injected in ovo with different doses of TH (0.1, 1, 10, and 100 μg/egg). TH significantly increased the oxidative damage in the brain of exposed embryos in a dose-dependent manner (p < 0.001). TH significantly elevated the oxidative stress markers; protein carbonyl, malondialdehyde (MDA) content, and DNA damage (p < 0.001). Myeloperoxidase (MPO) activity and NO significantly increased with overexpression of the pro-inflammatory cytokines (IFN-γ; interferon gamma, TNF-α; tumor necrosis factor alpha, and IL-1β; interleukin-1 beta), stress-related and apoptotic genes (NF-KB, Caspase-3) in the brain tissue on both a biochemical and molecular levels (p < 0.05), while downregulating the expression of antiapoptotic Bcl-2. Co-treatment of CA and RA with TH markedly decreased the insecticide-induced toxicity with a prominent synergistic effect (p < 0.05). In conclusion, TH is suggested to be a possible neurotoxic to embryos of vertebrates and possibly humans. The study also revealed the antioxidant, anti-inflammatory, genoprotective, and antiapoptotic properties of CA and RA against TH toxicity. Abstract Insecticides are widely employed in agriculture to control pests and as major factors for enhancing crop productivity. Thiacloprid (TH) is one of the most-used insecticides worldwide. In this study, the negative impact of TH on the brain tissue of developing chicken embryo models and the modulatory effect of chicoric (CA) and rosmarinic (RA) acids were investigated. The eggs were injected in ovo with different doses of TH (0.1, 1, 10, and 100 μg/egg). TH significantly increased the oxidative damage in the brain of exposed embryos in a dose-dependent manner (p < 0.05). TH significantly elevated the oxidative stress markers; protein carbonyl, malondialdehyde content, and DNA damage (p < 0.05). Myeloperoxidase activity and nitric oxide significantly increased with overexpression of the pro-inflammatory cytokines (interferon gamma, tumor necrosis factor alpha, and interleukin-1 beta) and stress-related and apoptotic genes (NF-KB, Caspase-3) in the brain tissue on both biochemical and molecular levels (p < 0.05), while downregulating the expression of antiapoptotic Bcl-2. Co-treatment of CA and RA with TH markedly decreased the insecticide-induced toxicity with a prominent synergistic effect (p < 0.05). In conclusion, TH is suggested to be a possible neurotoxic to embryos of vertebrates including human. The study also revealed the antioxidant, anti-inflammatory, genoprotective, and antiapoptotic property of CA and RA against TH toxicity.
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Affiliation(s)
- Mayada R. Farag
- Forensic Medicine and Toxicology Department, Veterinary Medicine Faculty, Zagazig University, Zagazig 44519, Egypt;
- Correspondence: (M.R.F.); (A.D.C.); (M.A.)
| | - Samah R. Khalil
- Forensic Medicine and Toxicology Department, Veterinary Medicine Faculty, Zagazig University, Zagazig 44519, Egypt;
| | - Asmaa W. Zaglool
- Animal Wealth Development Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Basma M. Hendam
- Department of Husbandry and Development of Animal Wealth, Faculty of Veterinary Medicine, Mansoura University, Mansoura 35516, Egypt;
| | - Amr A. Moustafa
- Biochemistry Department, Faculty of Veterinary Medicine, Zagazig University, Zagazig 44519, Egypt;
| | - Raffaella Cocco
- Department of Veterinary Medicine, University of Sassari, via Vienna 2, 07100 Sassari, Italy;
| | - Alessandro Di Cerbo
- School of Bioscience and Veterinary Medicine, University of Camerino, 62024 Matelica, Italy
- Correspondence: (M.R.F.); (A.D.C.); (M.A.)
| | - Mahmoud Alagawany
- Poultry Department, Faculty of Agriculture, Zagazig University, Zagazig 44519, Egypt
- Correspondence: (M.R.F.); (A.D.C.); (M.A.)
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Liu Z, Cui S, Zhang L, Zhang Z, Hough R, Fu Q, Li YF, An L, Huang M, Li K, Ke Y, Zhang F. Occurrence, variations, and risk assessment of neonicotinoid insecticides in Harbin section of the Songhua River, northeast China. ENVIRONMENTAL SCIENCE AND ECOTECHNOLOGY 2021; 8:100128. [PMID: 36156999 PMCID: PMC9488002 DOI: 10.1016/j.ese.2021.100128] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2021] [Revised: 09/30/2021] [Accepted: 09/30/2021] [Indexed: 05/04/2023]
Abstract
Neonicotinoid insecticides (NNIs) have been intensively used and exploited, resulting in their presence and accumulation in multiple environmental media. We herein investigated the current levels of eight major NNIs in the Harbin section of the Songhua River in northeast China, providing the first systematic report on NNIs in this region. At least four NNIs in water and three in sediment were detected, with total concentrations ranging from 30.8 to 135 ng L-1 and from 0.61 to 14.7 ng g-1 dw, respectively. Larger spatial variations in surface water NNIs concentrations were observed in tributary than mainstream (p < 0.05) due to the intensive human activities (e.g., horticulture, urban landscaping, and household pet flea control) and the discharge of wastewater from many treatment plants. There was a significant positive correlation (p < 0.05) between the concentrations of residual imidacloprid (IMI), clothianidin (CLO), and Σ4NNIs in the sediment and total organic carbon (TOC). Due to its high solubility and low octanol-water partition coefficient (K ow), the sediment-water exchange behavior shows that NNIs in sediments can re-enter into the water body. Human exposure risk was assessed using the relative potency factor (RPF), which showed that infants have the highest exposure risk (estimated daily intake (ΣIMIeq EDI): 31.9 ng kg-1 bw·d-1). The concentration thresholds of NNIs for aquatic organisms in the Harbin section of the Songhua River were determined using the species sensitivity distribution (SSD) approach, resulting in a value of 355 ng L-1 for acute hazardous concentration for 5% of species (HC5) and 165 ng L-1 for chronic HC5. Aquatic organisms at low trophic levels were more vulnerable to potential harm from NNIs.
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Affiliation(s)
- Zhikun Liu
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Song Cui
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Leiming Zhang
- Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Ontario, M3H 5T4, Canada
| | - Zulin Zhang
- The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK
| | - Rupert Hough
- The James Hutton Institute, Craigiebuckler, Aberdeen, AB15 8QH, UK
| | - Qiang Fu
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yi-Fan Li
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Lihui An
- State Environmental Protection Key Laboratory of Estuarine and Coastal Research, Chinese Research Academy of Environmental Sciences, Beijing, 100012, China
| | - Mingzhi Huang
- School of Environment, South China Normal University, Guangzhou, 510006, China
| | - Kunyang Li
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yuxin Ke
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Fuxiang Zhang
- International Joint Research Center for Persistent Toxic Substances (IJRC-PTS), School of Water Conservancy and Civil Engineering, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
- Research Center for Eco-Environment Protection of Songhua River Basin, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
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Siviter H, Richman SK, Muth F. Field-realistic neonicotinoid exposure has sub-lethal effects on non-Apis bees: A meta-analysis. Ecol Lett 2021; 24:2586-2597. [PMID: 34488245 DOI: 10.1111/ele.13873] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/08/2021] [Accepted: 08/18/2021] [Indexed: 01/20/2023]
Abstract
Neonicotinoid insecticides can have sub-lethal effects on bees which has led to calls from conservationists for a global ban. In contrast, agrochemical companies argue that neonicotinoids do not harm honeybees at field-realistic levels. However, the focus on honeybees neglects the potential impact on other bee species. We conducted a meta-analysis to assess whether field-realistic neonicotinoid exposure has sub-lethal effects on non-Apis bees. We extracted data from 53 papers (212 effects sizes) and found that it largely consisted of two genera: bumblebees (Bombus) and mason bees (Osmia), highlighting a substantial taxonomic knowledge gap. Neonicotinoid exposure negatively affected reproductive output across all bees and impaired bumblebee colony growth and foraging. Neonicotinoids also reduced Bombus, but not Osmia, individual development (growth and body size). Our results suggest that restrictions on neonicotinoids should benefit bee populations and highlight that the current regulatory process does not safeguard pollinators from the unwanted consequences of insecticide use.
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Affiliation(s)
- Harry Siviter
- Department of Integrative Biology, University of Texas at Austin, Austin, Texas, USA
| | - Sarah K Richman
- Department of Biology, University of Nevada, Reno, Reno, Nevada, USA
| | - Felicity Muth
- Department of Integrative Biology, University of Texas at Austin, Austin, Texas, USA
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42
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Malhotra N, Chen KHC, Huang JC, Lai HT, Uapipatanakul B, Roldan MJM, Macabeo APG, Ger TR, Hsiao CD. Physiological Effects of Neonicotinoid Insecticides on Non-Target Aquatic Animals-An Updated Review. Int J Mol Sci 2021; 22:9591. [PMID: 34502500 PMCID: PMC8431157 DOI: 10.3390/ijms22179591] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 08/28/2021] [Accepted: 09/02/2021] [Indexed: 12/21/2022] Open
Abstract
In this paper, we review the effects of large-scale neonicotinoid contaminations in the aquatic environment on non-target aquatic invertebrate and vertebrate species. These aquatic species are the fauna widely exposed to environmental changes and chemical accumulation in bodies of water. Neonicotinoids are insecticides that target the nicotinic type acetylcholine receptors (nAChRs) in the central nervous systems (CNS) and are considered selective neurotoxins for insects. However, studies on their physiologic impacts and interactions with non-target species are limited. In researches dedicated to exploring physiologic and toxic outcomes of neonicotinoids, studies relating to the effects on vertebrate species represent a minority case compared to invertebrate species. For aquatic species, the known effects of neonicotinoids are described in the level of organismal, behavioral, genetic and physiologic toxicities. Toxicological studies were reported based on the environment of bodies of water, temperature, salinity and several other factors. There exists a knowledge gap on the relationship between toxicity outcomes to regulatory risk valuation. It has been a general observation among studies that neonicotinoid insecticides demonstrate significant toxicity to an extensive variety of invertebrates. Comprehensive analysis of data points to a generalization that field-realistic and laboratory exposures could result in different or non-comparable results in some cases. Aquatic invertebrates perform important roles in balancing a healthy ecosystem, thus rapid screening strategies are necessary to verify physiologic and toxicological impacts. So far, much of the studies describing field tests on non-target species are inadequate and in many cases, obsolete. Considering the current literature, this review addresses important information gaps relating to the impacts of neonicotinoids on the environment and spring forward policies, avoiding adverse biological and ecological effects on a range of non-target aquatic species which might further impair the whole of the aquatic ecological web.
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Affiliation(s)
- Nemi Malhotra
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 320314, Taiwan;
| | - Kelvin H.-C. Chen
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (K.H.-C.C.); (J.-C.H.)
| | - Jong-Chin Huang
- Department of Applied Chemistry, National Pingtung University, Pingtung 900391, Taiwan; (K.H.-C.C.); (J.-C.H.)
| | - Hong-Thih Lai
- Department of Aquatic Biosciences, National Chiayi University, 300 University Rd., Chiayi 60004, Taiwan;
| | - Boontida Uapipatanakul
- Department of Chemistry, Faculty of Science and Technology, Rajamangala University of Technology, Thanyaburi 12110, Thailand;
| | - Marri Jmelou M. Roldan
- Faculty of Pharmacy, The Graduate School, University of Santo Tomas, Espana Blvd., Manila 1015, Philippines;
| | - Allan Patrick G. Macabeo
- Laboratory for Organic Reactivity, Discovery and Synthesis (LORDS), Research Center for the Natural and Applied Sciences, University of Santo Tomas, Espana Blvd., Manila 1015, Philippines
| | - Tzong-Rong Ger
- Department of Biomedical Engineering, Chung Yuan Christian University, Chung-Li 320314, Taiwan;
- Center for Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Research Center for Aquatic Toxicology and Pharmacology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
| | - Chung-Der Hsiao
- Center for Nanotechnology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Research Center for Aquatic Toxicology and Pharmacology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Department of Chemistry, Chung Yuan Christian University, Chung-Li 320314, Taiwan
- Department of Bioscience Technology, Chung Yuan Christian University, Chung-Li 320314, Taiwan
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Yu Z, Li XF, Wang S, Liu LY, Zeng EY. The human and ecological risks of neonicotinoid insecticides in soils of an agricultural zone within the Pearl River Delta, South China. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117358. [PMID: 34062434 DOI: 10.1016/j.envpol.2021.117358] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 05/06/2021] [Accepted: 05/10/2021] [Indexed: 06/12/2023]
Abstract
Neonicotinoid insecticides (NIIs) are extensively used worldwide and frequently detected in the environment. The human and ecological risks associated with the occurrence of NIIs in agricultural zones are of high importance. The present study highlights the regional occurrence and human exposure risks of NIIs in agricultural soil within the Pearl River Delta (PRD), South China. Six neonicotinoids, i.e., imidacloprid, clothianidin, acetamiprid, imidaclothiz, dinotefuran, and flonicamid, were measured in 351 soil samples from Zengcheng, a typical agricultural zone. The soil samples were categorized into three groups based on cultivated plants: vegetables, rice, and fruits. At least one of these neonicotinoid insecticides was detected in 95% of the soil samples. The levels of ∑6NII (range (median)) were 0.26-390 (23), 0.26-280 (6.1), and 0.26-120 (5.0) ng g-1 dry weight in soil samples from vegetable farms, rice paddies, and fruit farms, respectively. Neonicotinoids were detected more frequently and at statistically higher concentrations in vegetable farms than in both rice paddies and fruit farms. This is likely ascribed to higher application frequencies of NIIs in vegetable farms due to higher planting frequencies. The hazard index values for human exposure to NIIs in the agricultural soils were all below 1, suggesting negligible non-cancer risks. The current residual levels of NIIs in the soils could however pose sub-lethal or acute effects to non-target terrestrial organisms such as earthworms. The present study suggests that more information is needed regarding NIIs contamination in soils from agricultural regions of South China to ensure that human and ecological risk from exposure to these compounds can be fully addressed.
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Affiliation(s)
- Zimin Yu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China
| | - Xue-Fang Li
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China
| | - Shaorui Wang
- National-Regional Joint Engineering Research Center for Soil Pollution Control and Remediation in South China, Guangdong Key Laboratory of Integrated Agro-environmental Pollution Control and Management, Institute of Eco-environmental and Soil Sciences, Guangdong Academy of Sciences, Guangzhou, 510650, China
| | - Liang-Ying Liu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China.
| | - Eddy Y Zeng
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 511443, China; Research Center of Low Carbon Economy for Guangzhou Region, Jinan University, Guangzhou, 510632, China
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Mahefarisoa K, Simon Delso N, Zaninotto V, Colin M, Bonmatin J. The threat of veterinary medicinal products and biocides on pollinators: A One Health perspective. One Health 2021; 12:100237. [PMID: 33851001 PMCID: PMC8022246 DOI: 10.1016/j.onehlt.2021.100237] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2020] [Revised: 03/11/2021] [Accepted: 03/15/2021] [Indexed: 01/19/2023] Open
Abstract
The One Health approach acknowledges that human health is firmly linked to animal and environmental health. It involves using animals such as bees and other pollinators as sentinels for environmental contamination or biological indicators. Beekeepers noticed intoxications of apiaries located in the vicinity of sheep and cattle farms, which led to the suspicion of bees' intoxication by the products used for livestock: veterinary medicinal products (VMPs) and Biocides, confirmed by laboratory analysis. We review the legal context of VMPs and Biocidal products considering Europe as a case study, and identify shortcomings at the environmental level. We describe the possible ways these products could intoxicate bees in the vicinity of livestock farms. We also illustrate the way they may impact non-target species. The cases of ivermectin and abamectin as VMPs, deltamethrin and permethrin as Biocides are considered as case studies. We show bees can be exposed to new and unrecognized routes of exposure to these chemicals, and demonstrate that their application in livestock farming can affect the survival of pollinators, such as bees. We conclude that: (1) figures on the marketing/use of these chemicals should be harmonized, centralized and publicly available, (2) research should be devoted to clarifying how pollinators are exposed to VMPs and Biocides, (3) toxicity studies on bees should be carried out, and (4) pollinators should be considered as non-targeted species concerning the environmental risk assessment before their marketing authorization. We propose the term "Multi-use substances" for active ingredients with versatile use.
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Key Words
- BTV, Bluetongue virus
- Bees
- ECHA, European Chemical Agency
- EIA, environmental impact assessment
- EMA, Environmental Medicine Agency
- ERA, environmental risk assessment
- Ecotoxicology
- Environmental health
- Livestock
- MA, market authorisation
- Multi-use substances
- PEC, predicted environmental concentration
- PNEC, predicted no effect concentration
- Pesticide
- RQ, risk quotient
- Risk assessment
- SPs, synthetic pyrethroids
- VICH, International Cooperation on Harmonization of Technical Requirements for Registration of Veterinary Medicinal Products.
- VMPs, veterinary medicinal products
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Affiliation(s)
- K.L. Mahefarisoa
- Catholic University of Louvain, Faculty of bioscience engineering, Place Croix du Sud 2, 1348 Ottignies-Louvain-la-Neuve, Belgium
| | - N. Simon Delso
- Beekeeping Center of Research and Information (CARI asbl), BeeLife European Beekeeping Coordination, Place Croix du Sud 1, 1348 Louvain la Neuve, Belgium
| | - V. Zaninotto
- Sorbonne University, CNRS, IRD, INRAE, University of Paris, UPEC, Institute of Ecology and Environmental Sciences-Paris (IEES-Paris), 75005 Paris, France
| | - M.E. Colin
- Montpellier Fédération Nationale des Organisations Sanitaires Apicoles Départementales (FNOSAD), 41 Rue Pernety, 75014 Paris, France
| | - J.M. Bonmatin
- Centre National de la Recherche Scientifique (CNRS), Centre de biophysique moléculaire, 45071 Orléans Cedex 02, France
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Bernardino MM, Alves PRL, de Santo FB, Niemeyer JC, Leal RMP. Ecotoxicity of imidacloprid to soil invertebrates in two tropical soils with contrasting texture. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:27655-27665. [PMID: 33512682 DOI: 10.1007/s11356-021-12562-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Accepted: 01/15/2021] [Indexed: 06/12/2023]
Abstract
Imidacloprid is one of the most commercialized insecticides in agriculture in the world, with a broad spectrum of action. However, little is known about the effects of commercial formulations containing this active ingredient (a.i.) on non-target organisms in tropical soils. Our objective was to assess the toxicity based on the predicted environmental concentration (PEC) of imidacloprid, in the avoidance behaviour of earthworms and collembolans as well as in the reproduction of collembolans, in two representative soils of the Brazilian Cerrado with contrasting texture (clayey Oxisol and sandy Entisol). Ecotoxicity tests were carried out according to ISO protocols to assess the avoidance behaviour of earthworms (Eisenia andrei) and avoidance and reproduction of collembolans (Folsomia candida). In the earthworm's avoidance test, more than 80% of the individuals were found in the control, in all tested concentrations, indicating a possible habitat function loss in both soils. The avoidance behaviour of collembolans was observed in both soils, being more expressive (up to 75% of escape) in Oxisol. In Entisol, only the two highest concentrations were avoided (up to 63%). There was a negative effect on the reproduction of collembolans in both soils, with a higher EC50 value (0.255 mg kg-1) in Oxisol than in Entisol (0.177 mg kg-1), demonstrating higher toxicity in the sandy soil. These differences were attributed to the contrasting texture of the studied soils, probably due to lower retention of the a.i. in the sandy soil, causing an increased bioavailability. This study demonstrated that imidacloprid can be highly toxic to soil invertebrates, even in soil concentrations lower than those expected from recommended dose, causing an impact on the edaphic organisms and, consequently, compromising its functions in the soil ecosystem.
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Affiliation(s)
- Murilo Martins Bernardino
- Postgraduate Program in Agrochemistry, Goiano Federal Institute of Education, Science and Technology, P.O Box 66, Campus Rio Verde, Rio Verde, Goiás, 75901-970, Brazil
| | - Paulo Roger Lopes Alves
- Federal University of Fronteira Sul, Av. Fernando Machado 108 E, Chapeco, SC, 89802112, Brazil
| | - Fernanda Benedet de Santo
- Postgraduate Program in Agricultural and Natural Ecosystems (PPGEAN), Federal University of Santa Catarina (UFSC), Campus of Curitibanos, Curitibanos, Santa Catarina, 89520-000, Brazil
| | - Júlia Carina Niemeyer
- Postgraduate Program in Agricultural and Natural Ecosystems (PPGEAN), Federal University of Santa Catarina (UFSC), Campus of Curitibanos, Curitibanos, Santa Catarina, 89520-000, Brazil.
| | - Rafael Marques Pereira Leal
- Postgraduate Program in Agrochemistry, Goiano Federal Institute of Education, Science and Technology, P.O Box 66, Campus Rio Verde, Rio Verde, Goiás, 75901-970, Brazil
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Zhan H, Wan Q, Wang Y, Cheng J, Yu X, Ge J. An endophytic bacterial strain, Enterobacter cloacae TMX-6, enhances the degradation of thiamethoxam in rice plants. CHEMOSPHERE 2021; 269:128751. [PMID: 33139042 DOI: 10.1016/j.chemosphere.2020.128751] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 08/23/2020] [Accepted: 10/23/2020] [Indexed: 06/11/2023]
Abstract
Thiamethoxam (TMX) has been widely used over the last two decades. TMX residue in the environment has drawn great public attention. An endophytic bacterial strain, TMX-6, capable of degrading TMX was isolated from wild Ophiopogon japonicus and was identified as Enterobacter cloacae by morphology and 16S ribosomal DNA sequence analysis. After being marked with green fluorescent protein plasmid, TMX-6 was successfully inoculated in the rice plants (Oryza sativa L.). The numbers of TMX-6 in non-TMX treated rice plants ranged from 3.9 to 4.6 log CFU g-1 in the roots, and from 2.7 to 4.0 log CFU g-1 in the shoots; while ranged from 3.9 to 5.3 log CFU g-1 in roots and from 2.7 to 4.1 log CFU g-1 in shoots of TMX treated rice plants. Nearly 28%, 33%, 77% and 99% of TMX was removed from the hydroponic medium (HM), HM with strain TMX-6, HM with uninoculated rice and HM with inoculated rice, respectively, at the end of a 21-day (d) experiment period, and the correspondent half-lives of TMX were 46.2, 38.5, 9.9 and 4.7 d, respectively. Eleven TMX metabolites were identified in both inoculated and uninoculated rice plants through metabolomics data analysis. The intensity of TMX- NH, TMX-urea and clothianidin increased more than 3 times in inoculated rice plants on day 6. This demonstrates the usefulness of the strain TMX-6 to enhance the degradation of TMX-contaminated substrates and reduce levels of toxic insecticides in crop plants.
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Affiliation(s)
- Honglin Zhan
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao, 266042, 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
| | - Qun Wan
- 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
| | - Ya Wang
- 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
| | - Jiangfeng Cheng
- College of Marine Science and Biological Engineering, Qingdao University of Science and Technology, Qingdao, 266042, 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
| | - 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; School of the Environment, Jiangsu University, Xuefu Rd. 301, Zhenjiang, 212013, Jiangsu, China.
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47
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Cui K, Wu X, Wei D, Zhang Y, Cao J, Xu J, Dong F, Liu X, Zheng Y. Health risks to dietary neonicotinoids are low for Chinese residents based on an analysis of 13 daily-consumed foods. ENVIRONMENT INTERNATIONAL 2021; 149:106385. [PMID: 33503555 DOI: 10.1016/j.envint.2021.106385] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Revised: 01/04/2021] [Accepted: 01/06/2021] [Indexed: 06/12/2023]
Abstract
Neonicotinoid pesticide residues are ubiquitous in various foodstuffs and may adversely affect human health. We performed a nationwide survey of neonicotinoid residues in foodstuffs collected from Chinese markets and evaluated the risks of chronic and acute exposure in 1-6-year-old children and the general population. Among the 3406 samples of 13 commodities, 62.21% contained neonicotinoids with concentrations ranging from 0.1 to 1471.43 μg/kg, and 37.58% were simultaneously contaminated with 2-7 neonicotinoids. Acetamiprid, thiamethoxam, and imidacloprid were the top three detected neonicotinoids (22.14-34.32% of samples). Chronic and acute cumulative risk assessment using the relative potency factor method revealed that exposure to neonicotinoids was within established safety limits (below 1); however, the acute risk was much greater than the chronic risk (chronic hazard index range, 1.40 × 10-6-2.33 × 10-3; acute hazard index range, 1.75 × 10-6-0.15). A relatively greater acute cumulative risk was found for children with respect to consumption of grapes, mandarins, and cowpeas (acute hazard index range, 0.11-0.15). Despite the low health risk, the potential health hazards of neonicotinoids should be continuously assessed, given their ubiquity and cumulative effects.
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Affiliation(s)
- Kai Cui
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Xiaohu Wu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China.
| | - Dongmei Wei
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Ying Zhang
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Junli Cao
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Jun Xu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Fengshou Dong
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Xingang Liu
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China
| | - Yongquan Zheng
- Institute of Plant Protection, Chinese Academy of Agricultural Sciences, State Key Laboratory for Biology of Plant Diseases and Insect Pests, Key Laboratory of Control of Biological Hazard Factors (Plant Origin) for Agricultural Product Quality and Safety, Ministry of Agriculture, Beijing 100193, People's Republic of China.
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48
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Bonmatin JM, Giorio C, Sánchez-Bayo F, Bijleveld van Lexmond M. An update of the Worldwide Integrated Assessment (WIA) on systemic insecticides. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:11709-11715. [PMID: 33620685 DOI: 10.1007/s11356-021-12853-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Affiliation(s)
- Jean-Marc Bonmatin
- Centre de Biophysique Moléculaire, Centre National de la Recherche Scientifique (CNRS), Rue Charles Sadron, 45071, Orléans, France.
| | - Chiara Giorio
- Dipartimento di Scienze Chimiche, Università degli Studi di Padova, Via Marzolo 1, 35131, Padova, Italy
- Department of Chemistry, University of Cambridge, Lensfield Road, Cambridge, CB2 1EW, UK
| | - Francisco Sánchez-Bayo
- School of Life and Environmental Sciences, The University of Sydney, 1 Central Avenue, Eveleigh, NSW, 2015, Australia
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49
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Bonmatin JM, Mitchell EAD, Glauser G, Lumawig-Heitzman E, Claveria F, Bijleveld van Lexmond M, Taira K, Sánchez-Bayo F. Residues of neonicotinoids in soil, water and people's hair: A case study from three agricultural regions of the Philippines. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 757:143822. [PMID: 33246718 DOI: 10.1016/j.scitotenv.2020.143822] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Revised: 10/26/2020] [Accepted: 10/29/2020] [Indexed: 06/12/2023]
Abstract
Synthetic pesticides such as neonicotinoids are commonly used to treat crops in tropical regions, where data on environmental and human contamination are patchy and make it difficult to assess to what extent pesticides may harm human health, especially in less developed countries. To assess the degree of environmental and human contamination with neonicotinoids we collected soil, water and people's hair in three agricultural regions of the Philippines and analysed them by ultra-high performance liquid chromatography coupled to tandem mass spectrometry (UHPLC-MS-MS). Five neonicotinoids, namely acetamiprid, clothianidin, imidacloprid, thiacloprid and thiamethoxam were targeted. Residues of neonicotinoids were found in 78% of 67 soil samples from the three provinces. Total neonicotinoid loads ranged on average between 0.017 and 0.89 μg/kg in soils of rice, banana and vegetable crops, and were 130 times higher (113.5 μg/kg) in soils of a citrus grove. Imidacloprid was the most prevalent compound at an average of 0.56 μg/kg in soil while thiacloprid was below the limit of detection. Half of the eight water samples from a rice field and nearby creek contained residues of imidacloprid (mean 1.29 ng/L) and one contained thiamethoxam (0.15 ng/L). Residues of neonicotinoids were found in 81% of 99 samples of people's hair from the surveyed regions (average total concentrations 0.14 to 1.18 ng/g, maximum 350 ng/g). Hair residue levels correlated well with the concentrations of thiamethoxam and total residues in soils from the same locality (r = 0.98). The presence of thiacloprid in 15% of the hair samples but not in soil samples suggests an additional route of exposure among people, which is most likely to be through ingestion of agricultural food and drinks available in the market.
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Affiliation(s)
- Jean-Marc Bonmatin
- Centre National de La Recherche Scientifique (CNRS), Centre de Biophysique Moléculaire, CS 80054, 45071 Orléans, France
| | - Edward A D Mitchell
- Laboratory of Soil Biodiversity, Université de Neuchâtel, Rue Emile-Argand 11, 2000 Neuchâtel, Switzerland; Neuchâtel Botanical Garden, Chemin du Perthuis-du-Sault 58, CH-2000 Neuchâtel, Switzerland
| | - Gaëtan Glauser
- Neuchatel Platform of Analytical Chemistry (NPAC), Université de Neuchâtel, Avenue de Bellevaux 51, 2000 Neuchâtel, Switzerland
| | | | | | | | - Kumiko Taira
- Department of Anesthesiology, Tokyo Women's Medical University Medical Center East, Nishi-ogu 2-1-10, Arakawa-ku, Tokyo 116-8567, Japan
| | - Francisco Sánchez-Bayo
- School of Life and Environmental Sciences, The University of Sydney, 1 Central Avenue, Eveleigh, NSW 2015, Australia.
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50
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Zhang N, Wang B, Zhang Z, Chen X, Huang Y, Liu Q, Zhang H. Occurrence of neonicotinoid insecticides and their metabolites in tooth samples collected from south China: Associations with periodontitis. CHEMOSPHERE 2021; 264:128498. [PMID: 33032210 DOI: 10.1016/j.chemosphere.2020.128498] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 09/27/2020] [Accepted: 09/28/2020] [Indexed: 06/11/2023]
Abstract
Neonicotinoid insecticides (NEOs) are widely used in agricultural production processes in China and worldwide. NEOs have been an increasing concern because of their potential toxicity to nontarget organisms. However, studies that focused on human exposure to NEOs in China are limited. In this study, levels of six parent NEOs (p-NEOs), namely imidacloprid (IMI), acetamiprid (ACE), clothianidin (CLO), dinotefuran (DIN), thiamethoxam (THIX), and thiacloprid (THI), and three metabolites (m-NEOs), such as 5-hydroxy-imidacloprid (5-OH-IMI), 1-methyl-3-(tetrahydro-3-furyl methyl) urea (UF), and N-desmethyl-acetamiprid (N-dm-ACE) were measured in 127 tooth samples collected from South China. P-NEOs and m-NEOs are frequently detected (76%-93%) in tooth samples, with median levels of 0.03-1.20 ng/g. UF is the most abundant NEOs in tooth samples (36%). Females have higher NEO levels than males, and gender-related differences in NEO levels are found. Associations among most p-NEOs are also found (p < 0.05), indicating the source of human exposure to p-NEOs is related. However, no significant relationships (p > 0.05) between levels of m-NEOs and their corresponding p-NEOs are found, suggesting that exogenous m-NEOs contribute to exposure. We have also examined the associations between human NEOs exposure and periodontitis, and associations between NEO exposure and periodontitis are observed (OR = 2.63-7.33; 95% CI = 1.01-21.1, p-trend < 0.05). Our results suggest that NEO levels are associated with increased odds of prevalent periodontitis. This study is the first to report about p-NEOs and m-NEOs in tooth samples collected from South China.
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Affiliation(s)
- Nan Zhang
- Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Bata Wang
- Department of Orthopedics, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Zhanpeng Zhang
- Department of Dermatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Xufeng Chen
- Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Yue Huang
- Department of Stomatology, First Affiliated Hospital, Jinan University, Guangzhou, 510632, PR China
| | - Qihui Liu
- The Biomedical Translational Research Institute, Jinan University Faculty of Medical Science, Jinan University, Guangzhou, 510632, PR China.
| | - Hua Zhang
- The Biomedical Translational Research Institute, Jinan University Faculty of Medical Science, Jinan University, Guangzhou, 510632, PR China.
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