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Gabriel A, Venâncio C, Sousa JP, Leston S, Ramos F, Soares AMVM, Lopes I. Soil pH influences the toxicity of Basamid® eluates to non-target species of primary consumers. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 264:106726. [PMID: 37806024 DOI: 10.1016/j.aquatox.2023.106726] [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: 07/06/2023] [Revised: 10/01/2023] [Accepted: 10/03/2023] [Indexed: 10/10/2023]
Abstract
Basamid® is a fumigant nematicide and fungicide known to break down in several volatile compounds, mainly methyl isothiocyanate (MITC), when in contact with water. Soil abiotic parameters, such as pH, influences this breakdown process, and thus, the toxic effects of Basamid® to aquatic biota. This work studied the influence of soil pH (5.5, 6.5 and 7.5) on the toxicity of eluates (1:4, m:v), obtained from Basamid®-contaminated soils (with the recommended dose of 145 mg of dazomet/Kg of soil), on two primary consumers: Daphnia magna and Brachionus calyciflorus. For this, lethal and sublethal toxicity of eluates originated from soils at pH 5.5, 6.5 and 7.5, contaminated with Basamid® (Ba-E 5.5; 6.5 and 7.5, respectively), were assessed (dilutions between 0.096 - 100%). The LD50,24h of Basamid® eluates for D. magna varied from 3.07% to 7.82% (Ba-E 6.5 and Ba-E 5.5 respectively), while for B. calyciflorus varied from 18.1% to 84.7% (Ba-E 6.5 and Ba-E 7.5, respectively). Both species were less sensitive to Basamid® eluates originated from soils with pH 7.5 and more sensitive to those obtained from soils with pH 6.5. Regarding the sublethal effects, a lower soil pH was associated with a higher toxicity of Basamid® to D. magna reproduction (LOED: 0.125% Ba-E 5.5), while for B. calyciflorus such a higher toxicity was observed at the highest soil pH (ED20: 7.42% [5.10-9.74] at Ba-E 7.5). These results show a negative association between soil pH and the lethal toxicity of Basamid® contaminated eluates. However, such a pattern was not observed at sublethal level, at which a species dependency was observed regarding the influence of soil pH in the observed toxicity. Nevertheless, it is to highlight that very low concentrations of eluates (as 3.07%) caused significant mortality, indicating a high risk for freshwater biota. Considering that Basamid® is likely to reach the aquatic systems is real, for which reason the recommended dose must be reviewed at environmentally-relevant scenarios.
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Affiliation(s)
- Antonieta Gabriel
- CESAM & Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Cátia Venâncio
- CESAM & Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - José Paulo Sousa
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Sara Leston
- CFE - Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal; REQUIMTE/LAQV - R. D. Manuel II, Apartado, 55142 Porto, Portugal
| | - Fernando Ramos
- REQUIMTE/LAQV - R. D. Manuel II, Apartado, 55142 Porto, Portugal
| | - Amadeu M V M Soares
- CESAM & Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Isabel Lopes
- CESAM & Department of Biology, University of Aveiro, 3810-193 Aveiro, Portugal.
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Ahmad S, Chandrasekaran M, Ahmad HW. Investigation of the Persistence, Toxicological Effects, and Ecological Issues of S-Triazine Herbicides and Their Biodegradation Using Emerging Technologies: A Review. Microorganisms 2023; 11:2558. [PMID: 37894216 PMCID: PMC10609637 DOI: 10.3390/microorganisms11102558] [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: 09/30/2023] [Revised: 10/09/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023] Open
Abstract
S-triazines are a group of herbicides that are extensively applied to control broadleaf weeds and grasses in agricultural production. They are mainly taken up through plant roots and are transformed by xylem tissues throughout the plant system. They are highly persistent and have a long half-life in the environment. Due to imprudent use, their toxic residues have enormously increased in the last few years and are frequently detected in food commodities, which causes chronic diseases in humans and mammals. However, for the safety of the environment and the diversity of living organisms, the removal of s-triazine herbicides has received widespread attention. In this review, the degradation of s-triazine herbicides and their intermediates by indigenous microbial species, genes, enzymes, plants, and nanoparticles are systematically investigated. The hydrolytic degradation of substituents on the s-triazine ring is catalyzed by enzymes from the amidohydrolase superfamily and yields cyanuric acid as an intermediate. Cyanuric acid is further metabolized into ammonia and carbon dioxide. Microbial-free cells efficiently degrade s-triazine herbicides in laboratory as well as field trials. Additionally, the combinatorial approach of nanomaterials with indigenous microbes has vast potential and considered sustainable for removing toxic residues in the agroecosystem. Due to their smaller size and unique properties, they are equally distributed in sediments, soil, water bodies, and even small crevices. Finally, this paper highlights the implementation of bioinformatics and molecular tools, which provide a myriad of new methods to monitor the biodegradation of s-triazine herbicides and help to identify the diverse number of microbial communities that actively participate in the biodegradation process.
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Affiliation(s)
- Sajjad Ahmad
- Environmental Sustainability & Health Institute (ESHI), City Campus, School of Food Science & Environmental Health, Technological University Dublin, Grangegorman Lower, D07 EWV4 Dublin, Ireland
- Key Laboratory of Integrated Pest Management of Crop in South China, Key Laboratory of Natural Pesticide and Chemical Biology, Ministry of Agriculture and Rural Affairs, Ministry of Education, South China Agricultural University, Guangzhou 510642, China
- Department of Entomology, Faculty of Agriculture, University of Agriculture, Faisalabad 38000, Pakistan
| | - Murugesan Chandrasekaran
- Department of Food Science and Biotechnology, Sejong University, Neungdong-ro 209, Seoul 05006, Republic of Korea;
| | - Hafiz Waqas Ahmad
- Department of Food Engineering, Faculty of Agricultural Engineering & Technology, University of Agriculture, Faisalabad 38000, Pakistan;
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Tsiantas P, Bempelou E, Doula M, Karasali H. Validation and Simultaneous Monitoring of 311 Pesticide Residues in Loamy Sand Agricultural Soils by LC-MS/MS and GC-MS/MS, Combined with QuEChERS-Based Extraction. Molecules 2023; 28:molecules28114268. [PMID: 37298746 DOI: 10.3390/molecules28114268] [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: 03/25/2023] [Revised: 05/19/2023] [Accepted: 05/20/2023] [Indexed: 06/12/2023] Open
Abstract
Soil can be contaminated by pesticide residues through agricultural practices, by direct application or through spray-drift in cultivations. The dissipation of those chemicals in the soil may pose risks to the environment and human health. A simple and sensitive multi-residue analytical method was optimized and validated for the simultaneous determination of 311 active substances of pesticides in agricultural soils. The method involves sample preparation with QuEChERS-based extraction, and determination of the analytes with a combination of GC-MS/MS and LC-MS/MS techniques. Calibration plots were linear for both detectors over the range of five concentration levels, using matrix-matched calibration standards. The obtained recoveries from fortified-soil samples ranged from 70 to 119% and from 72.6 to 119% for GC-MS/MS and LC-MS/MS, respectively, while precision values were <20% in all cases. As regards the matrix effect (ME), signal suppression was observed in the liquid chromatography (LC)-amenable compounds, which was further estimated to be negligible. The gas chromatography (GC)-amenable compounds showed enhancement in the chromatographic response estimated as medium or strong ME. The calibrated limit of quantification (LOQ) value was 0.01 μg g-1 dry weight for most of the analytes, while the corresponding calculated limit of determination (LOD) value was 0.003 μg g-1 d.w. The proposed method was subsequently applied to agricultural soils from Greece, and positive determinations were obtained, among which were non-authorized compounds. The results indicate that the developed multi-residue method is fit for the purpose of analyzing low levels of pesticides in soil, according to EU requirements.
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Affiliation(s)
- Petros Tsiantas
- Laboratory of Chemical Control of Pesticides, Scientific Directorate of Pesticides' Control and Phytopharmacy, Benaki Phytopathological Institute, 8 St. Delta Str., 145 61 Kifissia, Greece
| | - Eleftheria Bempelou
- Laboratory of Chemical Control of Pesticides, Scientific Directorate of Pesticides' Control and Phytopharmacy, Benaki Phytopathological Institute, 8 St. Delta Str., 145 61 Kifissia, Greece
| | - Maria Doula
- Laboratory of Non-Parasitic Diseases, Scientific Directorate of Phytopathology, Benaki Phytopathological Institute, 8 St. Delta Str., 145 61 Kifissia, Greece
| | - Helen Karasali
- Laboratory of Chemical Control of Pesticides, Scientific Directorate of Pesticides' Control and Phytopharmacy, Benaki Phytopathological Institute, 8 St. Delta Str., 145 61 Kifissia, Greece
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Wang M, Tian Q, Li H, Dai L, Wan Y, Wang M, Han B, Huang H, Zhang Y, Chen J. Visualization and metabolome for the migration and distribution behavior of pesticides residue in after-ripening of banana. JOURNAL OF HAZARDOUS MATERIALS 2023; 446:130665. [PMID: 36592559 DOI: 10.1016/j.jhazmat.2022.130665] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 12/05/2022] [Accepted: 12/22/2022] [Indexed: 06/17/2023]
Abstract
Exploring the behavior of pesticide residues in fruits is important for effectively applying pesticides and minimizing the risk of pesticide exposure to humans. However, most studies do not consider in situ visual analysis of residues and migration patterns in fresh fruit samples. We investigated the migration patterns of thiram, propamocarb, imidacloprid and pyraclostrobin in fresh bananas based on ambient mass spectrometry imaging, metabolome and transcriptome analysis. The systemic pesticides entered via lateral penetration and vertical migration over time, which began to internally migrate to the inner core after 6 h. The non-systemic pesticide thiram did not enter the interior of the bananas, and remained only in the peel. The transportation rate of the pesticides increased with the decrease of water-octanol partition coefficient and the relative molecular mass. Moreover, the pesticide migrated fast with the increase of banana ripeness. The pesticides significantly enhanced pyruvate kinase, NADP-dependent malic enzyme, and malate synthase activities in the banana peels through carbohydrate metabolism. The banana pulp was also protected against the external toxicity of pesticides by the ascorbate-glutathione cycle. These results can provide guidelines for the appropriate application of pesticides and their safety evaluation.
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Affiliation(s)
- Meiran Wang
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences; Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation; Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs; Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China; College of Plant Protection, Hainan University, Haikou 570228, Hainan, China
| | - Qiaoxia Tian
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences; Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation; Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs; Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China; International School of Public Health and One Health, Hainan Medical University, Haikou 571199, Hainan, China
| | - Hongxing Li
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences; Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation; Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs; Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China
| | - Longjun Dai
- Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, Hainan, China
| | - Yi Wan
- State Key Laboratory of Marine Resource Utilization in the South China Sea, Hainan University, Haikou 570228, Hainan, China
| | - Mingyue Wang
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences; Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation; Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs; Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China
| | - Bingjun Han
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences; Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation; Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs; Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China.
| | - Huaping Huang
- Chinese Academy of Tropical Agricultural Sciences, Haikou 571101, Hainan, China.
| | - Yunuo Zhang
- State Key Laboratory of Marine Resource Utilization in the South China Sea, Hainan University, Haikou 570228, Hainan, China.
| | - Juncheng Chen
- Analysis and Test Center, Chinese Academy of Tropical Agricultural Sciences; Key Laboratory of Tropical Fruits and Vegetables Quality and Safety for State Market Regulation; Key Laboratory of Quality and Safety Control for Subtropical Fruit and Vegetable, Ministry of Agriculture and Rural Affairs; Hainan Provincial Key Laboratory of Quality and Safety for Tropical Fruits and Vegetables, Haikou, 571101, Hainan, China; International School of Public Health and One Health, Hainan Medical University, Haikou 571199, Hainan, China.
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5
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McCaffrey KR, Paulukonis EA, Raimondo S, Sinnathamby S, Purucker ST, Oliver LM. A multi-scale approach for identification of potential pesticide use sites impacting vernal pool critical habitat in California. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 857:159274. [PMID: 36208758 PMCID: PMC9884490 DOI: 10.1016/j.scitotenv.2022.159274] [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: 07/18/2022] [Revised: 09/30/2022] [Accepted: 10/02/2022] [Indexed: 06/16/2023]
Abstract
Spatially explicit ecological risk assessment (ERA) requires estimating the overlap between chemical and receptor distribution to evaluate the potential impacts of exposure on nontarget organisms. Pesticide use estimation at field level is prone to error due to inconsistencies between ground-reporting and geospatial data coverage; attempts to rectify these inconsistencies have been limited in approach and rarely scaled to multiple crop types. We built upon a previously developed Bayesian approach to combine multiple crop types for a probabilistic determination of field-crop assignments and to examine co-occurrence of critical vernal pool habitats and bifenthrin application within a 5-county area in California (Madera, Merced, Sacramento, San Joaquin, and Stanislaus counties). We incorporated a multi-scale repeated sampling approach with an area constraint to improve the delineation of field boundaries and better capture variability in crop assignments and rotation schemes. After comparing the accuracy of the spatial probabilistic approach to USDA Census of Agriculture crop acreage data, we found our approach allows more specificity in the combination of crop types represented by the potential application area and improves acreage estimates when compared to traditional deterministic approaches. In addition, our multi-scale sampling scheme improved estimates of bifenthrin acreage variability for co-occurrence analysis and allowed for estimates of crop rotations that were previously uncaptured. Our approach could be leveraged for more realistic, spatially resolved exposure and effects models both in and outside of California.
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Affiliation(s)
- Kelly R McCaffrey
- US Environmental Protection Agency, Office of Research and Development, Center for Environmental Measurement and Modeling, Gulf Ecosystem Measurement and Modeling Division, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA
| | - Elizabeth Anne Paulukonis
- US Environmental Protection Agency, Office of Research and Development, Center for Computational Toxicology and Exposure, Great Lakes Toxicology and Ecology Division, Molecular Indicators Branch, 109 T.W. Alexander Dr., Research Triangle Park, NC 27711, USA; Oak Ridge Institute for Science and Education (ORISE), PO Box 117, Oak Ridge, TN, USA
| | - Sandy Raimondo
- US Environmental Protection Agency, Office of Research and Development, Center for Environmental Measurement and Modeling, Gulf Ecosystem Measurement and Modeling Division, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA
| | - Sumathy Sinnathamby
- US Environmental Protection Agency, Office of Chemical Safety and Pollution Prevention, Office of Pesticide Programs, One Potomac Yard, 2777 Crystal Drive, Arlington, VA 22202, USA
| | - S Thomas Purucker
- US Environmental Protection Agency, Office of Research and Development, Center for Computational Toxicology and Exposure, Great Lakes Toxicology and Ecology Division, Molecular Indicators Branch, 109 T.W. Alexander Dr., Research Triangle Park, NC 27711, USA
| | - Leah M Oliver
- US Environmental Protection Agency, Office of Research and Development, Center for Environmental Measurement and Modeling, Gulf Ecosystem Measurement and Modeling Division, 1 Sabine Island Drive, Gulf Breeze, FL 32561, USA.
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Ashraf H, Qamar A, Maheshwari N. Attenuation of hexaconazole induced oxidative stress by folic acid, malic acid and ferrocenecarboxaldehyde in an invertebrate model Bombyx mori. Heliyon 2022; 8:e12577. [PMID: 36636222 PMCID: PMC9830160 DOI: 10.1016/j.heliyon.2022.e12577] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2022] [Revised: 10/19/2022] [Accepted: 12/15/2022] [Indexed: 12/28/2022] Open
Abstract
Fungicides are a class of pesticides used to ward off fungal diseases from agricultural crops to achieve maximum productivity. These chemicals are quite efficient in controlling diseases; however, the excessive use of these affects non-target organisms as well. In this study, Bombyx mori was utilized to investigate the effect of the pesticide hexaconazole (HEX) on the antioxidant system of this organism and also to find ways to mitigate it. On oral exposure to this chemical, a significant reduction in antioxidants, CAT, GPX, GSH, and SOD in the gut, fat body, and silk gland was observed. The HEX treatment also resulted in lipid peroxidation (LPO) in all the three tissues. To mitigate this toxicity and protect the silkworm from oxidative stress, we tested three compounds, namely folic acid, ferrocenecarboxaldehyde, and malic acid having known antioxidant potential. Folic acid provided significant protection against HEX-induced toxicity. Ferrocenecarboxaldehyde and malic acid proved to be ill-efficient in controlling oxidative stress, with ferrocenecarboxaldehyde being the least effective of the three. Folic acid was also efficient in controlling LPO up to a considerable level. Ferrocenecarboxaldehyde and malic acid also prevented LPO less efficiently than folic acid. Overall folic acid was the only compound that mitigated HEX-induced oxidative stress in silkworm with statistical significance in all the tissues viz. gut, fat body, and silk gland.
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Affiliation(s)
- Hashim Ashraf
- Section of Entomology, Department of Zoology, Aligarh Muslim University, Aligarh 202002, India
| | - Ayesha Qamar
- Section of Entomology, Department of Zoology, Aligarh Muslim University, Aligarh 202002, India,Corresponding author.
| | - Nikhil Maheshwari
- Department of Biochemistry, Aligarh Muslim University, Aligarh 202002, India
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Osaili TM, Al Sallagi MS, Dhanasekaran DK, Bani Odeh WA, Al Ali HJ, Al Ali AA, Ismail LC, Al. Mehri KO, Pisharath VA, Holley R, Obaid RS. Pesticide residues in fresh fruits imported into the United Arab Emirates. Heliyon 2022; 8:e11946. [DOI: 10.1016/j.heliyon.2022.e11946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2022] [Revised: 10/11/2022] [Accepted: 11/21/2022] [Indexed: 11/30/2022] Open
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8
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Shad S, Lynch I, Shah SWH, Bashir N. Remediation of Water Using a Nanofabricated Cellulose Membrane Embedded with Silver Nanoparticles. MEMBRANES 2022; 12:1035. [PMID: 36363590 PMCID: PMC9699521 DOI: 10.3390/membranes12111035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/04/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
The removal of pesticide pollution is imperative, because of their high environmental load and persistence, and their potential for bioaccumulation in, and toxicity to the environment. Most pesticides are found to be toxic even at trace levels. AgNPs can be effectively used for the adsorption of pesticides, and the incorporation of the AgNPs onto a support polymeric membrane enhances their effectiveness and reduces the potential unwanted consequences of intentionally adding free nanoparticles to the environment. Here, silver nanoparticles (AgNPs) were synthesized using a reliable, eco-friendly, and one-step "green" method, by reacting Mentha Piperita (mint) extract with AgNO3 aqueous solution at 60 °C in a microwave. The resulting high surface area nanoparticles are both economic and effective environmental remediation agents, playing a promising role in the elimination of aquatic pesticide pollution. Embedding the nanoparticles into a cellulose membrane at a low concentration (0.1 g) of AgNPs was shown to result in effectively adsorption of representative pesticides (Cypermethrin, Paraquat, and Cartap) within 60 min, while increasing the concentration of nanoparticles incorporated into the membrane further enhanced the removal of the exemplar pesticides from water. The high adsorption capacity makes the cellulose-AgNPs membrane an excellent substrate for the remediation of pesticide-polluted water.
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Affiliation(s)
- Salma Shad
- Department of Chemistry, Faculty of Natural Science, The University of Haripur, Haripur 22620, Pakistan
- Department of Chemistry, Hazara University, Mansehra 21300, Pakistan
| | - Iseult Lynch
- School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham B15 2TT, UK
| | | | - Nadia Bashir
- Department of Chemistry, Hazara University, Mansehra 21300, Pakistan
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Chormare R, Kumar MA. Environmental health and risk assessment metrics with special mention to biotransfer, bioaccumulation and biomagnification of environmental pollutants. CHEMOSPHERE 2022; 302:134836. [PMID: 35525441 DOI: 10.1016/j.chemosphere.2022.134836] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 04/13/2022] [Accepted: 04/30/2022] [Indexed: 06/14/2023]
Abstract
The environment pollutants, which are landed up in environment because of human activities like urbanization, mining and industrializations, affects human health, plants and animals. The living organisms present in environment are constantly affected by the toxic pollutants through direct contact or bioaccumulation of chemicals from the environment. The toxic and hazardous pollutants are easily transferred to different environmental matrices like land, air and water bodies such as surface and ground waters. This comprehensive review deeply discusses the routes and causes of different environmental pollutants along with their toxicity, impact, occurrences and fate in the environment. Environment health and risk assessment tools that are used to evaluate the harmfulness, exposure of living organisms to pollutants and the amount of pollutant accumulated are explained with help of bio-kinetic models. Biotransfer, toxicity factor, biomagnification and bioaccumulation of different pollutants in the air, water and marine ecosystems are critically addressed. Thus, the presented survey would be collection of correlations those addresses the factors involved in assessing the environmental health and risk impacts of distinct environmental pollutants.
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Affiliation(s)
- Rishikesh Chormare
- Process Design and Engineering Cell, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India; Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India
| | - Madhava Anil Kumar
- Academy of Scientific and Innovative Research, Ghaziabad, 201 002, Uttar Pradesh, India; Analytical and Environmental Science Division & Centralized Instrument Facility, CSIR-Central Salt & Marine Chemicals Research Institute, Bhavnagar, 364 002, Gujarat, India.
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10
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Li Z. New implication of pesticide regulatory management in soils: Average vs ceiling legal limits. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 818:151705. [PMID: 34793794 DOI: 10.1016/j.scitotenv.2021.151705] [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: 08/16/2021] [Revised: 10/14/2021] [Accepted: 11/11/2021] [Indexed: 06/13/2023]
Abstract
To help regulatory agencies better interpret pesticide soil standards (PSSs) and promote pesticide soil regulations, this study revealed new PSS implications by introducing the average (i.e., PSSAC) and ceiling (i.e., PSSCC) legal limits of pesticides. The PSSAC indicates the average legal limit of a pesticide in the soil over a duration (e.g., annual or monthly average), ensuring that no adverse human health effects can occur. The PSSCC indicates the ceiling legal limit that cannot be exceeded by pesticide concentrations in the soil, which was introduced to comply with pesticide application in real-world scenarios. We introduced the regulatory ceiling factor (RCF) to screen whether a pesticide in the surface soil could be regulated using the PSSAC and PSSCC values. The results indicated that except for some pesticides with high lipophilicity and low degradability (e.g., legacy pesticides), many pesticides were eligible to be regulated by both average and ceiling legal limits. In addition, we conducted a case study to evaluate chlorpyrifos soil standards via a four-step regulatory procedure; the results indicated that our new interpretation using the simulated PSSAC and PSSCC values of chlorpyrifos demonstrated that most current chlorpyrifos soil standards can protect population health, which is in contrast to the findings of current regulatory studies. Furthermore, based on the new implication of PSSs interpreted in this study, we recommend that regulatory agencies clarify PSSs to avoid confusion and promote cost-efficient remediations, and recommend improving the regulatory communication between environmental agencies and pesticide manufacturers to define a comprehensive policy integrating PSSs and application patterns.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong 518107, China.
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11
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Karimi H, Mahdavi S, Asgari Lajayer B, Moghiseh E, Rajput VD, Minkina T, Astatkie T. Insights on the bioremediation technologies for pesticide-contaminated soils. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2022; 44:1329-1354. [PMID: 34476637 DOI: 10.1007/s10653-021-01081-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Accepted: 08/24/2021] [Indexed: 06/13/2023]
Abstract
The fast pace of increasing human population has led to enhanced crop production, due to which a significant increase in the application of pesticides has been recorded worldwide. Following the enhancement in the utilization of pesticides, the degree of environmental pollution, particularly soil pollution, has increased. To address this challenge, different methods of controlling and eliminating such contaminants have been proposed. Various methods have been reported to eradicate or reduce the degree of contamination of pesticides in the soil. Several factors are crucial for soil contamination, including pH, temperature, the number, and type/nature of soil microorganisms. Among the accessible techniques, some of them respond better to contamination removal. One of these methods is bioremediation, and it is one of the ideal solutions for pollution reduction. In this innovative technique, microorganisms are utilized to decompose environmental pollutants or to curb pollution. This paper gives detailed insight into various strategies used for the reduction and removal of soil pollution.
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Affiliation(s)
- Hoda Karimi
- Environmental Science Department, Research Institute for Grapes and Raisin (RIGR), Malayer University, Malayer, Iran
| | - Shahriar Mahdavi
- Department of Soil Science, Faculty of Agriculture, Malayer University, Malayer, Iran
| | - Behnam Asgari Lajayer
- Health and Environment Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Ebrahim Moghiseh
- Nuclear Agriculture Research School, Nuclear Science and Technology Research Institute, Karaj, Iran
| | - Vishnu D Rajput
- Academy of Biology and Biotechnology, Southern Federal University, Stachki 194/1, Rostov-on-Don, Russia, 344090
| | - Tatiana Minkina
- Academy of Biology and Biotechnology, Southern Federal University, Stachki 194/1, Rostov-on-Don, Russia, 344090
| | - Tess Astatkie
- Faculty of Agriculture, Dalhousie University, Truro, NS, B2N 5E3, Canada.
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Bošković N, Bílková Z, Šudoma M, Bielská L, Škulcová L, Ribitsch D, Soja G, Vrana B, Hofman J. Effects of biochar on the fate of conazole fungicides in soils and their bioavailability to earthworms and plants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:23323-23337. [PMID: 34807391 DOI: 10.1007/s11356-021-17191-1] [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: 06/14/2021] [Accepted: 10/21/2021] [Indexed: 06/13/2023]
Abstract
The study showed novel findings about changes in the fate and bioavailability of conazole fungicides (CFs) after biochar (BC) addition to soil. Two contrasting soils (low- and high-sorbing of CF; L soils, H soils) were amended by three BCs (low-, moderate-, and high-sorbing of CF; L-BC, M-BC, H-BC) at 0.2% and 2% doses. Epoxiconazole (EPC) and tebuconazole (TBC) were then added to the soil-BC mixtures, and their degradation, bioaccumulation in earthworms (Eisenia andrei), and bioconcentration in lettuce (Lactuca sativa) were studied for three months. Also, stir bar sorptive extraction (SBSE) was performed to determine CF (bio)accessibility. The EPC and TBC degradation in the soil-BC mixtures followed usually the first-order decay kinetics. The BC addition prevalently decreased the pesticides degradation in the L soil mixtures but often increased it in the H soil mixtures. In general, EPC degraded less than TBC. BC type and dose roles in the pesticides degradation were unclear. The BC addition significantly reduced pesticide uptake to the earthworms in the L soil mixtures (by 37-96%) and in the H soil mixtures (by 6-89%) with 2% BC. The BC addition reduced pesticide uptake to the lettuce roots and leaves significantly-up to two orders of magnitude, and this reduction was strong in H soil mixtures at 2% of BC. The BC addition reduced the CF (bio)accessibility measured by SBSE in all L soil mixtures and some H soil mixtures with 2% BC. Although not significant, it also seems that the pesticide bioaccumulation, bioconcentration, and (bio)accessibility were decreasing according to the BC type (L-BC > M-BC > H-BC). The pesticide concentrations in the earthworms and lettuce correlated significantly to the SBSE results, which indicates this technique as a possible predictor of biotic uptake. Our results showed that the interactions were hard to predict in the complex soil-BC-pesticide system.
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Affiliation(s)
- Nikola Bošković
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Zuzana Bílková
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Marek Šudoma
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Lucie Bielská
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
- Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1/1665, 613 00, Brno, Czech Republic
| | - Lucia Škulcová
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Doris Ribitsch
- Institute for Environmental Biotechnology, Department for Agrobiotechnology (IFA-Tulln), University of Natural Resources and Life Sciences (BOKU), Konrad-Lorenz-Strasse 20, 3430, Tulln, Austria
| | - Gerhard Soja
- Environmental Resources & Technologies, AIT Austrian Institute of Technology GmbH, Konrad-Lorenz-Strasse 24, 3430, Tulln, Austria
- Institute of Chemical and Energy Engineering, University of Natural Resources and Life Sciences (BOKU), Muthgasse 107, 1190, Vienna, Austria
| | - Branislav Vrana
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Jakub Hofman
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic.
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Li Z, Niu S. Modeling pesticides in global surface soils: Exploring relationships between continuous and discrete emission patterns. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 798:149309. [PMID: 34375253 DOI: 10.1016/j.scitotenv.2021.149309] [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: 06/08/2021] [Revised: 07/23/2021] [Accepted: 07/23/2021] [Indexed: 06/13/2023]
Abstract
Continuous pesticide emission at constant rate does not occur in reality, but can be a useful and simple concept in modeling studies. To explore the relationship between continuous and discrete emission patterns, we introduced a simple equivalent approach based on a comparison of simulated surface soil pesticide concentrations. The simulated results indicate that, at high soil pesticide dissipation rates and low emission frequencies, the average concentrations under the continuous and discrete emission scenarios were very similar. We demonstrated that the continuous emission model that used the simple average method to calculate the emission rate always overestimated the simulated pesticide concentrations in the surface soil compared to the discrete emission model when using a one-year period based on agricultural practices. In addition, we incorporated the equivalent approach into the USEtox model (a screening-level tool), which can approximate the average pesticide concentrations in surface soil using the time-integrated fate factors at different emission frequencies. The results indicate that the continuous-emission simulations agree with the discrete emission for at least 90% of the selected pesticides based on annual or semi-annual emission patterns. Further studies into other topics, such as random emission patterns and simulation periods, are required to improve the model. Nevertheless, the equivalent approach presented in this study can aid in transforming discrete emission patterns into continuous-emission-based models and improve surface soil pesticide management.
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Affiliation(s)
- Zijian Li
- School of Public Health (Shenzhen), Sun Yat-sen University, Shenzhen, Guangdong 518107, China.
| | - Shan Niu
- Department of Chemistry and Biochemistry, Utah State University, Logan, UT 84322, USA
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14
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Kaczmarek A, Boguś MI. Fungi of entomopathogenic potential in Chytridiomycota and Blastocladiomycota, and in fungal allies of the Oomycota and Microsporidia. IMA Fungus 2021; 12:29. [PMID: 34635188 PMCID: PMC8504053 DOI: 10.1186/s43008-021-00074-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 07/25/2021] [Indexed: 11/10/2022] Open
Abstract
The relationship between entomopathogenic fungi and their insect hosts is a classic example of the co-evolutionary arms race between pathogen and target host. The present review describes the entomopathogenic potential of Chytridiomycota and Blastocladiomycota fungi, and two groups of fungal allies: Oomycota and Microsporidia. The Oomycota (water moulds) are considered as a model biological control agent of mosquito larvae. Due to their shared ecological and morphological similarities, they had long been considered a part of the fungal kingdom; however, phylogenetic studies have since placed this group within the Straminipila. The Microsporidia are parasites of economically-important insects, including grasshoppers, lady beetles, bumblebees, colorado potato beetles and honeybees. They have been found to display some fungal characteristics, and phylogenetic studies suggest that they are related to fungi, either as a basal branch or sister group. The Blastocladiomycota and Chytridiomycota, named the lower fungi, historically were described together; however, molecular phylogenetic and ultrastructural research has classified them in their own phylum. They are considered parasites of ants, and of the larval stages of black flies, mosquitoes and scale insects.
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Affiliation(s)
- Agata Kaczmarek
- Witold Stefański Institute of Parasitology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warsaw, Poland.
| | - Mieczysława I Boguś
- Witold Stefański Institute of Parasitology, Polish Academy of Sciences, Twarda 51/55, 00-818, Warsaw, Poland
- Biomibo, Strzygłowska 15, 04-872, Warsaw, Poland
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15
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Mara Silva de Pádua G, Maria De Souza J, Celia Moura Sales M, Gomes de Vasconcelos L, Luiz Dall'Oglio E, Faraggi TM, Moreira Sampaio O, Campos Curcino Vieira L. Evaluation of Chalcone Derivatives as Photosynthesis and Plant Growth Inhibitors. Chem Biodivers 2021; 18:e2100226. [PMID: 33998137 DOI: 10.1002/cbdv.202100226] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 05/14/2021] [Indexed: 12/30/2022]
Abstract
We report the evaluation of chalcone derivatives as photosystem II (PSII) and plant growth inhibitors. Chalcone derivatives were evaluated as PSII inhibitors through Chl a fluorescence measurement. (E)-Chalcone (6a) and (E)-3-(4-bromophenyl)-1-(4-fluorophenyl)prop-2-en-1-one (6j) showed the best results, reducing the performance index on absorption basis parameter (PIabs ) by 70 %. Additionally, the decrease of TR0 /RC and ET0 /RC parameters indicates that the chalcone derivatives limited the number of active PSII reaction centers and the amount of trapped energy within them. Compounds 6a and 6j both act as post-emergent herbicides at 50 μM, reducing the root biomass of the Ipomoea grandifolia weed by 72 % and 83 %, respectively, corroborating the fluorescence results. The selectivity against weeds as compared to valuable crops by compounds 6a and 6j were evaluated employing Zea mays and Phaseolus vulgaris plants. In these, our newly synthesized compounds showed no effects on biomass accumulation of roots and aerial parts when compared to the control, providing valuable evidence for the role of these compounds as selective inhibitors of the growth of undesired weeds.
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Affiliation(s)
| | | | | | | | | | - Tomer M Faraggi
- Product Metabolism Analytical Sciences, Syngenta Crop Protection, LLC, Greensboro, NC, USA
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Kalyabina VP, Esimbekova EN, Kopylova KV, Kratasyuk VA. Pesticides: formulants, distribution pathways and effects on human health - a review. Toxicol Rep 2021; 8:1179-1192. [PMID: 34150527 PMCID: PMC8193068 DOI: 10.1016/j.toxrep.2021.06.004] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/28/2021] [Accepted: 06/02/2021] [Indexed: 12/12/2022] Open
Abstract
Pesticides are commonly used in agriculture to enhance crop production and control pests. Therefore, pesticide residues can persist in the environment and agricultural crops. Although modern formulations are relatively safe to non-target species, numerous theoretical and experimental data demonstrate that pesticide residues can produce long-term negative effects on the health of humans and animals and stability of ecosystems. Of particular interest are molecular mechanisms that mediate the start of a cascade of adverse effects. This is a review of the latest literature data on the effects and consequences of contamination of agricultural crops by pesticide residues. In addition, we address the issue of implicit risks associated with pesticide formulations. The effects of pesticides are considered in the context of the Adverse Outcome Pathway concept.
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Affiliation(s)
- Valeriya P. Kalyabina
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
- Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
| | - Elena N. Esimbekova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
- Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
| | - Kseniya V. Kopylova
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
| | - Valentina A. Kratasyuk
- Siberian Federal University, 79 Svobodny Prospect, Krasnoyarsk, 660041, Russia
- Institute of Biophysics SB RAS, 50/50 Akademgorodok, Krasnoyarsk, 660036, Russia
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17
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Nehra M, Dilbaghi N, Marrazza G, Kaushik A, Sonne C, Kim KH, Kumar S. Emerging nanobiotechnology in agriculture for the management of pesticide residues. JOURNAL OF HAZARDOUS MATERIALS 2021; 401:123369. [PMID: 32763682 DOI: 10.1016/j.jhazmat.2020.123369] [Citation(s) in RCA: 44] [Impact Index Per Article: 14.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 06/12/2020] [Accepted: 06/30/2020] [Indexed: 05/18/2023]
Abstract
Utilization of pesticides is often necessary for meeting commercial requirements for crop quality and yield. However, incessant global pesticide use poses potential risks to human and ecosystem health. This situation increases the urgency of developing nano-biotechnology-assisted pesticide formulations that have high efficacy and low risk of side effects. The risks associated with both conventional and nanopesticides are summarized in this review. Moreover, the management of residual pesticides is still a global challenge. The contamination of soil and water resources with pesticides has adverse impact over agricultural productivity and food security; ultimately posing threats to living organisms. Pesticide residues in the eco-system may be treated via several biological and physicochemical processes, such as microbe-based degradation and advanced oxidation processes. With these issues in mind, we present a review that explores both existing and emerging techniques for management of pesticide residues and environmental risks. These techniques can offer a sustainable solution to revitalize the tarnished water/soil resources. Further, state-of-the-art research approaches to investigate biotechnological alternatives to conventional pesticides are discussed along with future prospects and mitigation techniques are recommended.
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Affiliation(s)
- Monika Nehra
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Neeraj Dilbaghi
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India
| | - Giovanna Marrazza
- Department of Chemistry "Ugo Schiff", University of Florence, Via della Lastruccia 3, 50019, Sesto Fiorentino, Florence, Italy
| | - Ajeet Kaushik
- NanoBioTech Laboratory, Department of Natural Sciences, Division of Sciences, Arts & Mathematics, Florida Polytechnic University, Lakeland, FL, 33805-8531, United States
| | - Christian Sonne
- Aarhus University, Department of Bioscience, Arctic Research Centre (ARC), Frederiksborgvej 399, PO Box 358, DK-4000, Roskilde, Denmark
| | - Ki-Hyun Kim
- Department of Civil & Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul, 04763, Republic of Korea
| | - Sandeep Kumar
- Department of Bio and Nano Technology, Guru Jambheshwar University of Science and Technology, Hisar, Haryana, 125001, India.
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18
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Zhou N, Wang J, Wang W, Wu X. Purification, characterization, and catalytic mechanism of N-Isopropylammelide isopropylaminohydrolase (AtzC) involved in the degradation of s-triazine herbicides. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 268:115803. [PMID: 33158617 DOI: 10.1016/j.envpol.2020.115803] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2020] [Revised: 10/06/2020] [Accepted: 10/08/2020] [Indexed: 06/11/2023]
Abstract
Deamination is ubiquitous in nature and has important biological significance. Leucobacter triazinivorans JW-1, recently isolated from sludge, can rapidly degrade s-triazine herbicides. The responsible enzymes, however, have not been purified and characterized. Herein, we purified an amidohydrolase, i.e., N-isopropylammelide isopropylaminohydrolase (AtzC) from JW-1 cells by ammonium sulfate precipitation and three chromatography steps. The purified AtzC catalyzed amidohydrolysis of N-isopropylammelide to cyanuric acid. The optimal catalytic conditions of the purified AtzC were 42 °C and pH 7.0, and the Km and Vmax of AtzC was 0.811 mM and 28.19 mmol/min·mg. AtzC could catalyze amidohydrolysis of an N-alkyl substituent from dihydroxy s-triazines to cyanuric acid. Molecular docking and structural alignments were used to infer AtzC catalytic mechanism. The structural architecture of AtzC resembled that of cytosine deaminase in class III amidohydrolase, with a single Zn2+ coordinated by His and Asp. Interestingly, the AtzC lacks an acidic residue putatively to activate water for hydrolysis as compared to the other amidohydrolases. His253 in AtzC probably functions as a single general acid-base catalyst. These findings further enhance our understanding how aminohydrolases catalyze the metabolism of s-triazine herbicides.
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Affiliation(s)
- Nan Zhou
- College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei, 230036, China
| | - Jie Wang
- College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei, 230036, China
| | - Wenbo Wang
- College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei, 230036, China
| | - Xiangwei Wu
- College of Resources and Environment, Anhui Agricultural University, Key Laboratory of Agri-food Safety of Anhui Province, Hefei, 230036, China.
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19
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Škulcová L, Chandran NN, Bielská L. Chiral conazole fungicides - (Enantioselective) terrestrial bioaccumulation and aquatic toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 743:140821. [PMID: 32679504 DOI: 10.1016/j.scitotenv.2020.140821] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2020] [Revised: 06/17/2020] [Accepted: 07/06/2020] [Indexed: 06/11/2023]
Abstract
Five conazole fungicides (CFs) (epoxiconazole, tebuconazole, myclobutanil, uniconazole (P), rac-uniconazole, and diniconazole) were tested in order to provide additional information on i) the effects of CFs on the nematode Caenorhabditis elegans and on the aquatic insect Chironomus riparius under acute exposure scenarios and in multi-generation exposure studies, taking advantage of the short life cycle of nematodes and ii) on the bioaccumulation (earthworm Eisenia andrei) profiles of CFs including also the enantiomer-specific assessment of degradation in soils and uptake/elimination by earthworms. Acute toxicity was considered low following the exposure of up to 2.5 mg of CFs per liter of the test medium. In a multigeneration study on nematodes, all five generations exposed to epoxiconazole were significantly negatively affected in terms of reproductive efficiency, and the severity of effects increased from F0 to F1 generation and was sustained thereafter. Adverse effects were also observed in the case of uniconazole (P) and diniconazole, and similarly to epoxiconazole, the effects occurred within the active life of the pesticides and were assumed to be based on their half-lives in soil (e.g., 53.3 to 691 days for uniconazole and diniconazole in our study) and in sediment/water. Bioaccumulation of diniconazole and uniconazole by earthworms varied between soils (Lufa 2.1 ≥ Lufa 2.4 > sandy soil > Lufa 2.2) and compounds (diniconazole > uniconazole) and was enantioselective. Earthworms preferentially accumulated R-uniconazole as a result of faster elimination of the S-form, which was evidenced from the enantiomer-specific uptake/elimination rate constants derived from the bioaccumulation profiles. Our results suggest that multigeneration exposure studies can advantageously be used for assessing the long-term and trans-general effects of pesticides. Also, the enantioselectivity in bioaccumulation observed for both uniconazole and diniconazole suggests that enantioselectivity in the fate and effects should be considered when exploring ways for safer and sustainable use of chiral pesticides.
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Affiliation(s)
- Lucia Škulcová
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno 625 00, Czech Republic
| | - Naveen Njattuvetty Chandran
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno 625 00, Czech Republic
| | - Lucie Bielská
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno 625 00, Czech Republic; Faculty of Agrosciences, Mendel University, Zemědělská 1, Brno 613 00, Czech Republic.
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20
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Narenderan ST, Meyyanathan SN, Babu B. Review of pesticide residue analysis in fruits and vegetables. Pre-treatment, extraction and detection techniques. Food Res Int 2020; 133:109141. [PMID: 32466907 DOI: 10.1016/j.foodres.2020.109141] [Citation(s) in RCA: 136] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/04/2020] [Accepted: 03/02/2020] [Indexed: 12/16/2022]
Abstract
A wide variety of pesticides have been used in agriculture to increase the yield, quality and extend the storage life of crops. However, the use of pesticide has been increased now a day due to the ever-increasing population and rapid urbanization. The continuous uses of these pesticides have resulted in contamination of the environment, crops and also caused potential risk to human health. For this reason, strict regulations are developed and regulated to monitor these compounds. To date, several techniques have been developed for the extraction and detection of pesticides, from traditional to advanced detection techniques. The present study delineates a comprehensive up to date overview of the available traditional methods (gas chromatography and high-performance liquid chromatography coupled with various detector) to advanced pre-treatment (polystyrene-coated magnetic nanoparticle) and detection (sensor development and nanotechnology) techniques used in the analysis of pesticides residue in various fruits and vegetables. Also, categorization of pesticides and its toxicity have been discussed.
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Affiliation(s)
- S T Narenderan
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India.
| | - S N Meyyanathan
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
| | - B Babu
- Department of Pharmaceutical Analysis, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Ooty, Nilgiris, Tamil Nadu, India
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21
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Estrada FGA, Marques JMC, Valente AJM. Molecular Dynamics Insights for Screening the Ability of Polymers to Remove Pesticides from Water. ChemistryOpen 2019; 8:438-446. [PMID: 30989013 PMCID: PMC6448597 DOI: 10.1002/open.201800293] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2018] [Revised: 02/19/2019] [Indexed: 11/30/2022] Open
Abstract
The use of pesticides in agriculture is known to have environmental impacts, namely it leads to underground and spring water contamination. Thus, it turns out that nowadays general-endeavor towards the sustainability of farmer production requires novel strategies to capture pesticides from water and soils. We propose a methodology based on molecular dynamics simulations to identify polymers that are potentially featured to be applied for pesticide remediation in water and soils. We have employed cymoxanil (CYM), glufosinate ammonium (GLF), imidacloprid (IMI) and mancozeb (MAN) as pesticides, and have tested polymers with different characteristics as removing agents. Specifically, we have investigated oligomers of polypropylene (PP), poly(acrylic acid) protonated (PAAH) and deprotonated (PAA), and chitosan protonated (CTH) and deprotonated (CT). It has been found that all oligomers show a certain degree of selectivity concerning the interaction with the tested pesticides.
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Affiliation(s)
- F. G. A. Estrada
- CQC, Department of ChemistryUniversity of Coimbra3004-535CoimbraPortugal E-mail
| | - J. M. C. Marques
- CQC, Department of ChemistryUniversity of Coimbra3004-535CoimbraPortugal E-mail
| | - A. J. M. Valente
- CQC, Department of ChemistryUniversity of Coimbra3004-535CoimbraPortugal E-mail
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23
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Vašíčková J, Hvězdová M, Kosubová P, Hofman J. Ecological risk assessment of pesticide residues in arable soils of the Czech Republic. CHEMOSPHERE 2019; 216:479-487. [PMID: 30384317 DOI: 10.1016/j.chemosphere.2018.10.158] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 10/18/2018] [Accepted: 10/21/2018] [Indexed: 06/08/2023]
Abstract
Currently used pesticides (CUPs) represent one of the largest intentional inputs of potentially hazardous compounds into agricultural soils. Subsequently, pesticide residues (PRs) and their transformation products (TPs) persist in agricultural soils, occurring in diverse mixtures of compounds in various concentrations. In this study, measured environmental concentrations (MECs) of CUP residues and TPs, originated from previous growing seasons in agricultural soils of the Czech Republic, were used to characterize the environmental risk for agroecosystems. Toxicity exposure ratios (TERs) were calculated using predicted no-effect concentrations (PNECs) and MECs in order to identify single pesticide residues risk to in-soil invertebrates and microorganisms. Ecological risk assessment (ERA) for the mixtures of pesticide residues at each monitored site was assessed using a risk quotient (RQ) method and considering concentration addition among components in the mixtures. The compilation of ecotoxicity data to derived PNECs for in-soil organisms clearly showed data gaps mainly for triazine and chloroacetanilide TPs. In addition, chronic toxicity data for in-soil invertebrates at different trophic levels are not available for 30% of monitored CUPs. The ERA revealed that pesticide residues in soil pose a risk at 35% of the sites (RQ ≥ 1). Among measured pesticides, epoxiconazole, atrazine-2-hydroxy, carbendazim, dimoxystrobin, terbuthylazine and difenoconazole were the main contributors to the overall pesticide mixture toxicity. The measured levels of epoxiconazole together with the frequent presence in soils represent a risk for the agroecosystems. Further assessment of higher tiers of ERA should be considered and prioritized in the pesticides risk management.
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Affiliation(s)
- Jana Vašíčková
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Martina Hvězdová
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic
| | - Petra Kosubová
- Central Institute for Supervising and Testing in Agriculture, Hroznová 2, Brno, 656 06, Czech Republic.
| | - Jakub Hofman
- Research Centre for Toxic Compounds in the Environment (RECETOX), Faculty of Science, Masaryk University, Kamenice 753/5, Brno, 625 00, Czech Republic.
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