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Chen G, Liu J, Wang H, Wang M, Wang G, Hu T. SYP-3343 drives abnormal vascularization in zebrafish through regulating endothelial cell behavior. Food Chem Toxicol 2023; 174:113671. [PMID: 36796616 DOI: 10.1016/j.fct.2023.113671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 02/05/2023] [Accepted: 02/13/2023] [Indexed: 02/16/2023]
Abstract
SYP-3343 is a novel strobilurin fungicide with excellent and broad-spectrum antifungal activity, and its potential toxicity raises public health concerns. However, the vascular toxicity of SYP-3343 to zebrafish embryos is still not well understood. In the present study, we investigated the effects of SYP-3343 on vascular growth and its potential mechanism of action. SYP-3343 inhibited zebrafish endothelial cell (zEC) migration, altered nuclear morphology, and triggered abnormal vasculogenesis and zEC sprouting angiogenesis, resulting in angiodysplasia. RNA sequencing showed that SYP-3343 exposure altered the transcriptional levels of vascular development-related biological processes in zebrafish embryos including angiogenesis, sprouting angiogenesis, blood vessel morphogenesis, blood vessel development, and vasculature development. Whereas, the addition of NAC exerted an improvement effect on zebrafish vascular defects owing to SYP-3343 exposure. Additionally, SYP-3343 altered cell cytoskeleton and morphology, obstructed migration and viability, disrupted cell cycle progression, and depolarized mitochondrial membrane potential, as well as promoted apoptosis and reactive oxygen species (ROS) in HUVEC. SYP-3343 also caused an imbalance of the oxidation and antioxidant systems and irritated the alterations in the cell cycle- and apoptosis-related genes in HUVECs. Collectively, SYP-3343 has high cytotoxicity, possibly by up-regulating p53 and caspase3 expressions and bax/bcl-2 ratio via ROS, leading to malformed vascular development.
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Affiliation(s)
- Guoliang Chen
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Juan Liu
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Huiyun Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Mingxing Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Guixue Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China
| | - Tingzhang Hu
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing, 400030, China.
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2
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Chen G, Wang M, Zhu P, Wang G, Hu T. Adverse effects of SYP-3343 on zebrafish development via ROS-mediated mitochondrial dysfunction. JOURNAL OF HAZARDOUS MATERIALS 2022; 437:129382. [PMID: 35749898 DOI: 10.1016/j.jhazmat.2022.129382] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 06/01/2022] [Accepted: 06/11/2022] [Indexed: 06/15/2023]
Abstract
As a newly-invented and highly-efficiency strobilurin fungicide, pyraoxystrobin (SYP-3343) has been recognized as a highly poisonous toxin for a variety of aquatic organisms. Nevertheless, the developmental toxicity and potential mechanism of SYP-3343 have not been well-documented. The results showed that SYP-3343 was relatively stable and maintained within the range of 20 % in 24 h, and the LC50 value to embryos at 72 hpf was 17.13 μg/L. The zebrafish embryotoxicity induced by 1, 2, 4, and 8 μg/L SYP-3343 is demonstrated by repressive embryo incubation, enhancive mortality rate, abnormal heart rate, malformed morphological characteristic, and impaired spontaneous coiling, indicating SYP-3343 mostly exerted its toxicity in a dose- and time-dependent manner. Besides SYP-3343 was critically involved in regulating cell cycle, mitochondrial membrane potential, and reactive oxygen species production as well as zebrafish primary cells apoptosis, which can be mitigated using antioxidant N-acetyl-L-cysteine. A significant change occurred in total protein content, the biochemical indices, and antioxidant capacities owing to SYP-3343 exposure. Additionally, SYP-3343 altered the mRNA levels of heart development-, mitochondrial function-, and apoptosis-related genes in zebrafish embryos. These results indicated that SYP-3343 induced apoptosis accompanying reactive oxygen species-initiated mitochondrial dysfunction in zebrafish embryos.
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Affiliation(s)
- Guoliang Chen
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Mingxing Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Panpan Zhu
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Guixue Wang
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China
| | - Tingzhang Hu
- Key Laboratory of Biorheological Science and Technology (Chongqing University), Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400030, China.
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Wang Y, Kou S, Huo J, Sun S, Wang Y, Yang H, Zhao S, Tang L, Han L, Zhang J, Chen L. Design, Synthesis, and Evaluation of Novel 4-Chloropyrazole-Based Pyridines as Potent Fungicide Candidates. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:9327-9336. [PMID: 35856648 DOI: 10.1021/acs.jafc.2c02350] [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] [Indexed: 06/15/2023]
Abstract
A rational molecular design approach was developed in our laboratory to guide the discovery of novel sterol biosynthesis inhibitors. Based on the application of bioactivities of heterocyclic rings and molecular docking targeting the sterol biosynthesis 14α-demethylase, a series of 4-chloropyrazole-based pyridine derivatives were rationally designed, synthesized, and characterized and their fungicidal activities were also evaluated. Bioassay results showed that 7e, 7f, and 7m exhibited commendable, diverse antifungal actions that are comparable to those of the positive controls imazalil and triadimefon. The active compounds' mode of action was further studied by microscopy observations, Q-PCR, and enzyme inhibition assay and discovered that target compounds affect fungal sterol biosynthesis via disturbing RcCYP51 enzyme system. These findings support that their fungicidal mode of action still targets the cytochrome P450-dependent 14α-demethylase as the molecular design did at first. The above results strongly suggest that our rational molecular design protocol is not only practical but also efficient.
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Affiliation(s)
- Ying Wang
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Song Kou
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Jingqian Huo
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Susu Sun
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Yanen Wang
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Hongwei Yang
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Shiyong Zhao
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
| | - Liangfu Tang
- State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry and Frontiers Science Center for New Organic Matter, College of Chemistry, Nankai University, Tianjin 300071, P. R. China
| | - Lijun Han
- College of Science, China Agricultural University, Beijing 100193, P. R. China
| | - Jinlin Zhang
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
- Biological Control Center of Plant Diseases and Plant Pests of Hebei Province, Baoding 071001, P. R. China
| | - Lai Chen
- College of Plant Protection, Hebei Agricultural University, Baoding 071001, P. R. China
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Zhang S, He F, Fang X, Zhao X, Liu Y, Yu G, Zhou Y, Feng Y, Li J. Enhancing soil aggregation and acetamiprid adsorption by ecofriendly polysaccharides hydrogel based on Ca 2+- amphiphilic sodium alginate. J Environ Sci (China) 2022; 113:55-63. [PMID: 34963549 DOI: 10.1016/j.jes.2021.05.042] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 05/27/2021] [Accepted: 05/29/2021] [Indexed: 06/14/2023]
Abstract
Soil aggregation plays an important role in agricultural production activities. However, the structure of soil aggregation is destroyed by the natural environment and unreasonable farming management, resulting in the loss of water, fertilizers and pesticides in soil. At present, hydrogels have been widely reported to promote the formation of soil aggregation. In this paper, amphiphilic calcium alginate (ASA/Ca2+) was applied to promote the formation of soil aggregation and enhance pesticide retention. Initially, an ASA was obtained through the one-pot Ugi condensation (a four-component green chemical reaction). Then, ASA/Ca2+ hydrogel is prepared by Ca2+ cross-linking. The formation of soil aggregation was determined through the Turbiscan Lab Expert stability analyzer, Confocal Laser Scanning Microscope (CLSM), and Transmission Electron Microscope (TEM). And the effect of soil aggregation on acetamiprid environmental behavior was investigated by adsorption kinetics, adsorption isotherms, and leaching. The results shown that the three-dimensional network structure of ASA/Ca2+ hydrogel can promote the formation of soil aggregation. Aggregate durability index (ADI) was 0.55 in the presence of ASA/Ca2+ hydrogel, indicating that amphiphilic hydrogel can enhance the stability of soil aggregation. The adsorbing capacity of acetamiprid was 1.58 times higher than pure soil, and the release of acetamiprid only about 20% in the presence of ASA/Ca2+ hydrogel. These results would be helpful for the formation of soil aggregation and pesticides adsorption on soil aggregation. Thus, ASA/Ca2+ hydrogel is likely to improve soil quality, simultaneously it can minimize the mobility of pesticides in the agricultural system.
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Affiliation(s)
- Siqi Zhang
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China
| | - Furui He
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China
| | - Xiuqin Fang
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China
| | - Xinyu Zhao
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China
| | - Yuanyuan Liu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China
| | - Gaobo Yu
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China
| | - Yang Zhou
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China.
| | - Yuhong Feng
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China.
| | - Jiacheng Li
- Key Laboratory of Advanced Materials of Tropical Island Resources of Ministry of Education and School of Chemical Engineering and Technology, Hainan University, Hainan 570228, China.
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Jamshidi MH, Salehian H, Babanezhad E, Rezvani M. The Adsorption and Degradation of 2, 4-D Affected by Soil Organic Carbon and Clay. BULLETIN OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 108:151-157. [PMID: 34476543 DOI: 10.1007/s00128-021-03362-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 08/13/2021] [Indexed: 06/13/2023]
Abstract
More has yet to be indicated on the adsorption and degradation processes, determining herbicides recycling in the environment. The sorption and degradation of 2, 4-D, affected by organic carbon (1.92-2.81%), soil clay (20-30%) and pH of the citrus orchards of Mazandaran province, Iran was investigated using HPLC equipped with UV detector for the identification and quantification of soil 2, 4-D. The adsorption (kd) and degradation (Kdeg) coefficients were determined using Freundlich and the first-degree kinetic equations. Gardens C (2.45 mL g-1), and B (0.3 mL g-1), with the highest (8.2 g day-1) and least (2.7 g day-1) degradation coefficients, had the highest and lowest Kd values. Kd variations with pH indicated higher adsorption of 2, 4-D in acidic pH. Due to the high presence of functional groups and soil biological activities, organic carbon affected the adsorption and degradation rates more effectively, which is of economic and environmental significance.
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Affiliation(s)
- Mohammad Hosein Jamshidi
- Department of Agronomy, College of Agriculture and Natural Resources, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
| | - Hamid Salehian
- Department of Agronomy, College of Agriculture and Natural Resources, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran.
| | - Esmaeil Babanezhad
- Department of Environmental Health, Faculty of Health, Mazandaran University of Medical Sciences, Km-18 Farah abad road, Sari, Iran
| | - Mohammad Rezvani
- Department of Agronomy, College of Agriculture and Natural Resources, Qaemshahr Branch, Islamic Azad University, Qaemshahr, Iran
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Bioaccumulation of Pyraoxystrobin and Its Predictive Evaluation in Zebrafish. TOXICS 2021; 10:toxics10010005. [PMID: 35051047 PMCID: PMC8780168 DOI: 10.3390/toxics10010005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 12/13/2021] [Accepted: 12/21/2021] [Indexed: 11/17/2022]
Abstract
This paper aims to understand the bioaccumulation of pyraoxystrobin in fish. Using a flow-through bioconcentration method, the bioconcentration factor (BCF) and clearance rate of pyraoxystrobin in zebrafish were measured. The measured BCF values were then compared to those estimated from three commonly used predication models. At the exposure concentrations of 0.1 μg/L and 1.0 μg/L, the maximum BCF values for pyraoxystrobin in fish were 820.8 and 265.9, and the absorption rate constants (K1) were 391.0 d−1 and 153.2 d−1, respectively. The maximum enrichment occurred at 12 d of exposure. At the two test concentrations, the clearance rate constant (K2) in zebrafish was 0.5795 and 0.4721, and the half-life (t1/2) was 3.84 d and 3.33 d, respectively. The measured BCF values were close to those estimated from bioconcentration predication models.
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Fabrication PDA-polyurea microcapsules with anti-photolysis and sustained-release performances via Pickering emulsion template. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04922-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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8
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Xu Y, Yu X, Xu B, Peng D, Guo X. Sorption of pharmaceuticals and personal care products on soil and soil components: Influencing factors and mechanisms. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 753:141891. [PMID: 32890871 DOI: 10.1016/j.scitotenv.2020.141891] [Citation(s) in RCA: 50] [Impact Index Per Article: 16.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2020] [Revised: 08/01/2020] [Accepted: 08/20/2020] [Indexed: 06/11/2023]
Abstract
The sorption of pharmaceuticals and personal care products (PPCPs) on soil and soil components makes an important contribution to the fate, migration and bioavailability of PPCPs. Previous reviews have mostly focused on the sorption of PPCPs on single soil components (e.g., minerals and soil organic matter). However, the sorption of PPCPs within the whole soil system has not been systematically analyzed. This paper reviews the recent progress on PPCP sorption on soil and soil components. We have evaluated the sorption of a wide range of PPCPs in research fields that are usually considered in isolation (e.g., humic acids (HAs), montmorillonite, kaolinite, and goethite), and established a bridge between PPCPs and sorbent. The sorption mechanisms of PPCPs, e.g., cation exchange, surface complexation, electrostatic interaction and hydrogen bonding, are discussed and critically evaluated. We also assessed the influence of environmental factors (pH, ionic strength, organic matter and temperature) on sorption. This review summarizes the knowledge of PPCPs sorption on soil gained in recent years, which can provide new strategies for solving the problem of antibiotic pollution.
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Affiliation(s)
- Yibo Xu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Xiaoqin Yu
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China
| | - Baile Xu
- Institute of Soil and Water Resources and Environmental Science, Zhejiang Provincial Key Laboratory of Agricultural Resources and Environment, Zhejiang University, Hangzhou 310058, China
| | - Dan Peng
- Department of Transportation and Environment, Shenzhen Institute of Information Technology, Shenzhen, Guangdong 518172, China
| | - Xuetao Guo
- College of Natural Resources and Environment, Northwest A&F University, Yangling, Shaanxi 712100, China; Key Laboratory of Plant Nutrition and the Agro-environment in Northwest China, Ministry of Agriculture, Yangling, Shaanxi 712100, China.
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Size Effect of Mesoporous Silica Nanoparticles on Pesticide Loading, Release, and Delivery in Cucumber Plants. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11020575] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Mesoporous silica nanoparticles (MSN) are widely used as pesticide carriers to enhance their effective utilization, since it can promote the solubility and absorption of pesticides by plants. For plants, the particle size of pesticides influences their absorption and efficacy. Herein, is our research work of the size effect of MSN on the loading, release, and delivery behavior of pyraoxystrobin (Pyr) in cucumber plants. The well-ordered Pyr-loaded carbon quantum dots-MSN (Pyr@M) with sizes of 15, 100, and 200 nm were prepared. A comparative study among different particle sizes of Pyr@M was carried out on the aspects of control release performance, loading content, uptake, and transportation performance in cucumber plants. It was found that the loading content increased as the particle size increased. The nanoparticles as carriers increased the solubility of insoluble Pyr, but the nanoparticle size had no clear difference impact on the release rate. The efficiency of the cellular uptake strongly depended on the particle size. The smaller the MSN size, the easier it was to be absorbed and transmitted by cucumber plants. Compared to the free Pyr, the upward transportation rate of Pyr from Pyr@M in plant increased by 3.5 times. These findings provide new theoretical basis to design the MSN pesticide delivery system.
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Nélieu S, Delarue G, Amossé J, Bart S, Péry ARR, Pelosi C. Soil dissipation and bioavailability to earthworms of two fungicides under laboratory and field conditions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:43044-43055. [PMID: 32725553 DOI: 10.1007/s11356-020-10222-3] [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: 10/16/2019] [Accepted: 07/20/2020] [Indexed: 06/11/2023]
Abstract
The representativeness of laboratory studies of the fate of pesticides in soil in field conditions is questionable. This study aimed at comparing the dissipation and bioavailability to earthworms of two fungicides, dimoxystrobin (DMX) and epoxiconazole (EPX), over 12 months under laboratory and field conditions. In both approaches, the fungicides were applied to the same loamy soil as a formulated mixture at several concentrations. We determined total DMX and EPX concentrations in the soil using exhaustive extraction, their environmental availability using mild extraction and their bioavailability through internal concentrations in exposed earthworms. The initial fungicide application appeared as much better controlled in terms of dose and homogeneity in the laboratory than in the field. One year after application, a similar dissipation rate was observed between the laboratory and field experiments (ca 80% and 60% for DMX and EPX, respectively). Similarly, the ratio of available/total concentrations in soil displayed the same trend whatever the duration and the conditions (field or lab), EPX being more available than DMX. Finally, the environmental bioavailability of the two fungicides to earthworms was heterogeneous in the field, but, in the laboratory, the bioaccumulation was evidenced to be dose-dependent only for DMX. Our findings suggest that the actual fate of the two considered fungicides in the environment is consistent with the one determined in the laboratory, although the conditions differed (e.g., presence of vegetation, endogeic earthworm species). This study allowed better understanding of the fate of the two considered active substances in the soil and underlined the need for more research dedicated to the link between environmental and toxicological bioavailability.
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Affiliation(s)
- Sylvie Nélieu
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, Bâtiment EGER, Avenue Lucien Brétignières, 78850, Thiverval Grignon, France.
| | - Ghislaine Delarue
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, Bâtiment EGER, Avenue Lucien Brétignières, 78850, Thiverval Grignon, France
| | - Joël Amossé
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, 78026, Versailles, France
| | - Sylvain Bart
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, 78026, Versailles, France
| | - Alexandre R R Péry
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, 78026, Versailles, France
| | - Céline Pelosi
- UMR ECOSYS, INRA, AgroParisTech, Université Paris-Saclay, 78026, Versailles, France
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Yang X, Liu H, Jia M, Wang J, Wu J, Song J, Liu Y. Evaluation of pyraoxystrobin bioconcentration in zebrafish ( Danio rerio) using modified QuEChERS extraction. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2020; 55:477-483. [PMID: 32449480 DOI: 10.1080/03601234.2020.1722558] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Pyraoxystrobin is a novel strobilurin fungicide that is widely used on many crops. The high log Kow of pyraoxystrobin implies that it tends to accumulate in aquatic organisms. This study optimized the sorbents of QuEChERS (quick, easy, cheap, effective, rugged, and safe) using 13C-labelled pyraoxystrobin as the internal standard (IS). It has been established a QuEChERS-LC-MS/MS IS method to study the bioconcentration and elimination of pyraoxystrobin in zebrafish (Danio rerio). The results indicated that the method had satisfactory linearity between 0.234 and 15 μg L-1 (R2 = 0.9996). The limits of detection (LOD) and quantification (LOQ) for pyraoxystrobin were 0.01 and 0.03 μg L-1, respectively. The LOQs of the method for water and zebrafish were 0.05 μg L-1 and 0.01 mg/kg, respectively. The mean recovery of pyraoxystrobin in zebrafish and water at fortification levels of 0.01-0.3 mg kg-1 and 0.05-1.5 μg L-1 ranged from 98.31 to 105.61% and 101.87 to 108.48%, respectively, with a % RSD (relative standard deviation) of 0.94-3.57%. The bioconcentration has been evaluated. The bioconcentration factors for pyraoxystrobin in zebrafish were 1,792 and 3,505 after exposure to 0.5 μg L-1 for 168 h and 0.05 μg L-1 for 216 h, respectively. The half-life of pyraoxystrobin in zebrafish was 9.0-9.5 d.
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Affiliation(s)
- Xiaohong Yang
- Food Science and Engineering College, Beijing Laboratory for Food Quality and Safety, Beijing Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides, Beijing University of Agriculture, Beijing, China
| | - Huijun Liu
- Food Science and Engineering College, Beijing Laboratory for Food Quality and Safety, Beijing Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides, Beijing University of Agriculture, Beijing, China
| | - Minghong Jia
- Food Science and Engineering College, Beijing Laboratory for Food Quality and Safety, Beijing Key Laboratory of Agricultural Product Detection and Control for Spoilage Organisms and Pesticides, Beijing University of Agriculture, Beijing, China
| | - Jiangfei Wang
- Beijing Yunong High Quality Cultivation of Agricultural Products Company, Beijing, China
| | - Jinlong Wu
- Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Beijing, China
| | - Junhua Song
- Institute for the Control of Agrochemicals, Ministry of Agriculture and Rural Affairs of the People's Republic of China, Beijing, China
| | - Yixuan Liu
- Tianjin Jiantong Biotechnology Inc., Tianjin, China
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12
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Wang L, Zhou X, Lu H, Mu X, Jin L. Synthesis and Antibacterial Evaluation of Novel 1,3,4-Oxadiazole Derivatives Containing Sulfonate/Carboxylate Moiety. Molecules 2020; 25:E1488. [PMID: 32218317 PMCID: PMC7180883 DOI: 10.3390/molecules25071488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 03/21/2020] [Accepted: 03/23/2020] [Indexed: 11/17/2022] Open
Abstract
Abstract: In order to discover new lead compounds with high antibacterial activity, a series of new derivatives were designed and synthesized by introducing a sulfonate or carboxylate moiety into the 1,3,4-oxadiazole structure. Antibacterial activity against two phytopathogens, Xanthomonas oryzae pv. oryzae (Xoo) and Xanthomonas axonopodis pv. citri (Xac), was assayed in vitro. The preliminary results indicated that ten compounds including 4a-1-4a-4 and 4a-11-4a-16 had good antibacterial activity against Xoo, with EC50 values ranging from 50.1-112.5 µM, which was better than those of Bismerthiazol (253.5 µM) and Thiodiazole copper (467.4 µM). Meanwhile, 4a-1, 4a-2, 4a-3 and 4a-4 demonstrated good inhibitory effect against Xanthomonas axonopodis pv. citri with EC50 values around 95.8-155.2 µM which were better than those of bismerthiazol (274.3 µM) and thiodiazole copper (406.3 µM). In addition, in vivo protection activity of compound 4a-2 and 4a-3 against rice bacterial leaf blight was 68.6% and 62.3%, respectively, which were better than bismerthiazol (49.6%) and thiodiazole copper (42.2%). Curative activity of compound 4a-2 and 4a-3 against rice bacterial leaf blight was 62.3% and 56.0%, which were better than bismerthiazol (42.9%) and thiodiazole copper (36.1%). Through scanning electron microscopy (SEM) analysis, it was observed that compound 4a-2 caused the cell membrane of Xanthomonas oryzae pv. oryzae ruptured or deformed. The present results indicated novel derivatives of 5-phenyl sulfonate methyl 1,3,4-oxadiazole might be potential antibacterial agents.
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Affiliation(s)
| | - Xia Zhou
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China; (L.W.); (H.L.); (X.M.)
| | | | | | - Linhong Jin
- State Key Laboratory Breeding Base of Green Pesticide and Agricultural Bioengineering, Key Laboratory of Green Pesticide and Agricultural Bioengineering, Ministry of Education, Guizhou University, Huaxi District, Guiyang 550025, China; (L.W.); (H.L.); (X.M.)
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Sherma J, Rabel F. Review of thin layer chromatography in pesticide analysis: 2016-2018. J LIQ CHROMATOGR R T 2019. [DOI: 10.1080/10826076.2018.1557055] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Joseph Sherma
- Department of Chemistry, Lafayette College, Easton, PA, USA
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14
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Wang L, Zhao J, Delgado-Moreno L, Cheng J, Wang Y, Zhang S, Ye Q, Wang W. Degradation and metabolic profiling for benzene kresoxim-methyl using carbon-14 tracing. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 637-638:1221-1229. [PMID: 29801215 DOI: 10.1016/j.scitotenv.2018.05.123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2018] [Revised: 05/09/2018] [Accepted: 05/09/2018] [Indexed: 06/08/2023]
Abstract
Benzene kresoxim-methyl (BKM) is an effective strobilurin fungicide for controlling fungal pathogens but limited information is available on its degradation and metabolism. This study explored the degradation and metabolic profiling for BKM in soils by carbon-14 tracing and HPLC-TOF-MS2 analyzing. Results indicated that 88%-98% of 14C-BKM remained as parent or incomplete intermediates after 100 days. Three main radioactive metabolites (M1 to M3, ≥90%) and three subordinate radioactive metabolites (Ma to Mc, ≤2%) were observed, along with a non-radioactive metabolite M4. The main intermediates were further confirmed by self-synthesizing their authentic standards, and BKM was proposed to degrade via pathways including: 1) the oxidative cleavage of the acrylate double bond to give BKM-enol (M1); 2) the hydrolysis of the methyl ester to give BKM acid (M2); 3) the cleavage of M1 and M2 to yield Mc, which could be decarboxylated to give M3; and 4) the ether cleavage between aromatic rings to form M4. This study builds a solid metabolic profiling method for strobilurins and gives a deeper insight into the eventual fate of BKM by demonstrating its transformation pathways for the first time, which may also be beneficial for understanding the risks of other analogous strobilurins.
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Affiliation(s)
- Likun Wang
- Institute of Nuclear Agricultural Sciences, Key laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC, Zhejiang University, Hangzhou 310029, China; Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310029, China
| | - Jinhao Zhao
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310029, China
| | - Laura Delgado-Moreno
- Environmental Protection Department, Estación Experimental del Zaidín (CSIC) Granada, Spain
| | - Jingli Cheng
- Ministry of Agriculture Key Laboratory of Molecular Biology of Crop Pathogens and Insects, Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou 310029, China
| | - Yichen Wang
- Hangzhou Research Institute of Garden Science, Hangzhou 310013, China
| | - Sufen Zhang
- Institute of Nuclear Agricultural Sciences, Key laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC, Zhejiang University, Hangzhou 310029, China
| | - Qingfu Ye
- Institute of Nuclear Agricultural Sciences, Key laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC, Zhejiang University, Hangzhou 310029, China
| | - Wei Wang
- Institute of Nuclear Agricultural Sciences, Key laboratory of Nuclear Agricultural Sciences of Ministry of Agriculture of PRC, Zhejiang University, Hangzhou 310029, China.
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Abebe B, Murthy HCA, Amare E. Summary on Adsorption and Photocatalysis for Pollutant Remediation: Mini Review. ACTA ACUST UNITED AC 2018. [DOI: 10.4236/jeas.2018.84012] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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