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Fuenzalida FB, Slepčíková P, Repovská M, Jutková A, Vega Cañamares M, Miškovský P, Jurašeková Z, Sanchez-Cortes S. Selective and ultrasensitive detection of the herbicide glyphosate by means of plasmon catalysis on Ag nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 323:124845. [PMID: 39106718 DOI: 10.1016/j.saa.2024.124845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 07/14/2024] [Accepted: 07/16/2024] [Indexed: 08/09/2024]
Abstract
This work aims at the detection of the important herbicide glyphosate based on the previous modification of glyphosate in two stages and final detection by surface-enhanced Raman spectroscopy (SERS). In a first step, the affinity of glyphosate for metal plasmonic surfaces was increased by inclusion of a sulphur containing group (dithiocarbamate). In a second step, the cyclization of the latter intermediate rendered a thiazole derivative of the herbicide. The latter compound exhibits higher Raman cross section which leads to stronger SERS enhancement factors. The second step was possible thanks to the plasmon catalysis driven by metal nanoparticles, specifically silver adatoms created at the surface, and irradiated at a proper wavelength. This methodology was optimized by selecting the most appropriate experimental conditions for the chemical reactions. Density Functional Theory treatment of all the involved molecules was done in order to obtain the theoretical spectra and to identify the structural marker bands. A key goal of this work was to develop an effective system of glyphosate detection based on portable PickMolTM technology developed and patented by the SAFTRA Photonics Ltd. company to ensure an easy, quick, low cost, in-situ, and univocal detection of glyphosate in the environment.
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Affiliation(s)
- Francisca B Fuenzalida
- Department of Biophysics, Faculty of Science, P. J. Šafárik University, Jesenná 5, 040 01 Košice, Slovakia
| | | | - Mária Repovská
- SAFTRA Photonics, s.r.o., Moldavská cesta 51, 040 11 Košice, Slovakia
| | - Annamária Jutková
- SAFTRA Photonics, s.r.o., Moldavská cesta 51, 040 11 Košice, Slovakia
| | - Maria Vega Cañamares
- Institute of the Structure of Matter, IEM-CSIC, Serrano 121, 28006 Madrid, Spain
| | - Pavol Miškovský
- Department of Biophysics, Faculty of Science, P. J. Šafárik University, Jesenná 5, 040 01 Košice, Slovakia; SAFTRA Photonics, s.r.o., Moldavská cesta 51, 040 11 Košice, Slovakia.
| | - Zuzana Jurašeková
- Department of Biophysics, Faculty of Science, P. J. Šafárik University, Jesenná 5, 040 01 Košice, Slovakia.
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2
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Qu M, Cheng X, Xu Q, Hu Y, Liu X, Mei Y. How do glyphosate and AMPA alter the microbial community structure and phosphorus cycle in rice-crayfish systems? ENVIRONMENTAL RESEARCH 2024; 260:119679. [PMID: 39059622 DOI: 10.1016/j.envres.2024.119679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2024] [Revised: 07/10/2024] [Accepted: 07/23/2024] [Indexed: 07/28/2024]
Abstract
Glyphosate, a commonly used organophosphorus herbicide in rice-crayfish cropping regions, may alter regional phosphorus cycle processes while affecting the structure of microbial communities. However, the effects of glyphosate residues on rice-crayfish systems remain unclear. In this study, we assessed the spatial and temporal distribution characteristics of glyphosate and its primary degradation products, as well as the impact mechanisms of glyphosate on microbial communities and the phosphorus cycle in rice-crayfish systems such as paddy fields, breeding ditches and recharge rivers. The detection rates of glyphosate and aminomethylphosphonic acid (AMPA) were 100% in rice-crayfish systems. Concentrations of glyphosate in the water phase and soil/sediment were as high as 0.012 μg/L and 7.480 μg/kg, respectively, and concentrations of AMPA were as high as 17.435 μg/L and 13.200 μg/kg, respectively. Glyphosate concentrations were not affected by rainfall or sampling site, but concentrations of AMPA in the water phase of recharge rivers were affected by rainfall. The glyphosate concentration was significantly and positively correlated with RBG-16-58-14 abundance, and the AMPA concentration was significantly and positively correlated with Actinobacteria and Lysobacter abundance, and negatively correlated with Cyanobacteria abundance (P < 0.05). The highest abundances of phoD, phnK, and ppx genes were found in all soils/sediments. Glyphosate concentration in soil/sediment was significantly and positively correlated with the abundance of phoD gene encoding an organophosphorus-degrading enzyme and ppx gene encoding poly inorganic phosphate (Pi) hydrolase (P < 0.05). In addition, the glyphosate concentration was significantly and positively correlated with the Ca-bonded Pi content (P < 0.05). This implies that glyphosate may promote the production of stable Pi in rice-crayfish systems by increasing the abundance of phoD and ppx genes. The results of this study reveal the impact mechanism of glyphosate on the phosphorus cycle in rice-crayfish systems and provide a basis for the risk assessment of glyphosate.
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Affiliation(s)
- Mengjie Qu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, China.
| | - Xuan Cheng
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Qiang Xu
- School of Management and Economics, Beijing Institute of Technology, Beijing, 100081, China
| | - Yang Hu
- School of Civil Engineering and Architecture, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Xingyu Liu
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, China
| | - Yunjun Mei
- School of Chemical and Environmental Engineering, Wuhan Polytechnic University, Wuhan, 430023, China.
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3
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Fuchs B, Helander M, Saikkonen K, Dobrev PI, Vankova R, Blande JD, Salminen JP, Luntamo N, Muola A. Plant metabolic responses to soil herbicide residues differ under herbivory in two woodland strawberry genotypes. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 946:174198. [PMID: 38914330 DOI: 10.1016/j.scitotenv.2024.174198] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Revised: 06/18/2024] [Accepted: 06/20/2024] [Indexed: 06/26/2024]
Abstract
The use of glyphosate-based herbicides (GBHs) to control weeds has increased exponentially in recent decades, and their residues and degradation products have been found in soils across the globe. GBH residues in soil have been shown to affect plant physiology and specialised metabolite biosynthesis, which, in turn, may impact plant resistance to biotic stressors. In a greenhouse study, we investigated the interactive effects between soil GBH residues and herbivory on the performance, phytohormone concentrations, phenolic compound concentrations and volatile organic compound (VOC) emissions of two woodland strawberry (Fragaria vesca) genotypes, which were classified as herbivore resistant and herbivore susceptible. Plants were subjected to herbivory by strawberry leaf beetle (Galerucella tenella) larvae, and to GBH residues by growing in soil collected from a field site with GBH treatments twice a year over the past eight years. Soil GBH residues reduced the belowground biomass of the susceptible genotype and the aboveground biomass of both woodland strawberry genotypes. Herbivory increased the belowground biomass of the resistant genotype and the root-shoot ratio of both genotypes. At the metabolite level, herbivory induced the emission of several VOCs. Jasmonic acid, abscisic acid and auxin concentrations were induced by herbivory, in contrast to salicylic acid, which was only induced by herbivory in combination with soil GBH residues in the resistant genotype. The concentrations of phenolic compounds were higher in the resistant genotype compared to the susceptible genotype and were induced by soil GBH residues in the resistant genotype. Our results indicate that soil GBH residues can differentially affect plant performance, phytohormone concentrations and phenolic compound concentrations under herbivore attack, in a genotype-dependent manner. Soil GBH altered plant responses to herbivory, which may impact plant resistance traits and species interactions. With ongoing agrochemical pollution, we need to consider plant cultivars with better resistance to polluted soils while maintaining plant resilience under challenging environmental conditions.
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Affiliation(s)
- Benjamin Fuchs
- Biodiversity Unit, University of Turku, 20014 Turku, Finland.
| | - Marjo Helander
- Department of Biology, University of Turku, 20014 Turku, Finland
| | - Kari Saikkonen
- Biodiversity Unit, University of Turku, 20014 Turku, Finland
| | - Petre I Dobrev
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, Rozvojova 263, 16502 Prague, Czech Republic
| | - Radomira Vankova
- Laboratory of Hormonal Regulations in Plants, Institute of Experimental Botany of the Czech Academy of Sciences, Rozvojova 263, 16502 Prague, Czech Republic
| | - James D Blande
- Department of Environmental and Biological Sciences, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
| | - Juha-Pekka Salminen
- Natural Chemistry Research Group, Department of Chemistry, FI-20014, University of Turku, Finland
| | - Niko Luntamo
- Natural Chemistry Research Group, Department of Chemistry, FI-20014, University of Turku, Finland
| | - Anne Muola
- Biodiversity Unit, University of Turku, 20014 Turku, Finland; Division of Biotechnology and Plant Health, Norwegian Institute of Bioeconomy Research, Ås, Norway
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Li S, Pu C, Cao X, Zheng M, Deng W, Wang P, Wu J. A dual-signals fluorometric and colorimetric peptide-based probe for Cu(II) and glyphosate detection and its application for bioimaging and water testing. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 945:174163. [PMID: 38906309 DOI: 10.1016/j.scitotenv.2024.174163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2024] [Revised: 06/17/2024] [Accepted: 06/18/2024] [Indexed: 06/23/2024]
Abstract
A novel dual-signal fluorometric and colorimetric probe FMDH (5-FAM-Met-Asp-His-NH2), incorporating a tripeptide (Met-Asp-His-NH2) linked to 5-carboxyfluorescein (5-FAM), was firstly synthesised. FMDH demonstrated exceptional selectivity and sensitivity, rapid response, wide pH response range and robust anti-interference capabilities for monitoring Cu2+. This was achieved through a distinctive naked-eye colorimetric and fluorescent quenching behaviour. A good linearity within the range of 0-3 μM (R2 = 0.9914) was attained, and the limit of detection (LOD) for Cu2+ was 47.4 nM. Furthermore, the FMDH-Cu2+ ensemble responded to glyphosate with notable selectivity and sensitivity. A good linear correlation (R2 = 0.9926) was observed at the lower concentration range (2.4-7.8 μM) and achieving a detection limit as low as 29.9 nM. The response time of FMDH with Cu2+ and glyphosate were less than 20 s, and the pH range of 7-11 that was suitable for practical application under physiological pH conditions. MTT assays confirmed that FMDH offers good permeability and low toxicity, facilitating successful application in imaging analysis of Cu2+ and glyphosate in living cells and zebrafish. In addition, FMDH was employed in the detection of these analytes in real water samples. Cost-effective, highly sensitive and easily prepared FMDH-impregnated test strips were developed for the efficient visual detection of Cu2+ and glyphosate under 365 nm UV light. Increasing concentrations of Cu2+ and glyphosate resulted in notable colour changes under 365 nm UV light, enabling visual semi-quantitative analysis via a smartphone colour-analysis App.
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Affiliation(s)
- Shiyang Li
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Chunmei Pu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Xinlin Cao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Maoyue Zheng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Weiliang Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Peng Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China.
| | - Jiang Wu
- Key Laboratory for Tibet Plateau Phytochemistry of Qinghai Province, College of Pharmacy, Qinghai Nationalities University, Xining 810007, PR China.
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5
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Pu C, Li S, Cao X, Zhou M, Deng W, Wang P. Rational design of peptide-based fluorescent probe for sequential recognitions of Cu(II) ions and glyphosate: Smartphone, test strip, real sample and living cells applications. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 317:124424. [PMID: 38733917 DOI: 10.1016/j.saa.2024.124424] [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: 03/23/2024] [Revised: 04/27/2024] [Accepted: 05/06/2024] [Indexed: 05/13/2024]
Abstract
A new peptide-based fluorescent probe named DMDH with easy-to-synthesize, excellent stability, good water solubility and large Stokes shift (225 nm) was synthesized for highly selective sequential detections of copper ions (Cu2+) and glyphosate (Glyp). DMDH demonstrated great detection performance towards Cu2+via strong fluorescence quenching, and forming non-fluorescence DMDH-Cu2+ ensemble. As a new promising cascade probe, the fluorescence of DMDH-Cu2+ ensemble was significantly recovered based on displacement approach after glyphosate was added. Interestingly, the limit of detections (LODs) for Cu2+ and glyphosate were 40.6 nM and 10.6 nM, respectively, which were far lower than those recommended by the WHO guidelines for drinking water. More importantly, DMDH was utilized to evaluate Cu2+ and glyphosate content in three real water samples, demonstrating that its effectiveness in water quality monitoring. Additionally, it is worth noting that DMDH was also applied to analyze Cu2+ and glyphosate in living cells in view of significant cells permeability and low cytotoxicity. Moreover, DMDH soaked in filter paper was used to create qualitative test strips and visually identify Cu2+ and glyphosate through significant color changes. Furthermore, smartphone RGB color recognition provided a new method for semi-quantitative testing of Cu2+ and glyphosate in the absence of expensive instruments.
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Affiliation(s)
- Chunmei Pu
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Shiyang Li
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Xinlin Cao
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Miao Zhou
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Weiliang Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Peng Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China.
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6
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Dinep-Schneider O, Appiah E, Dapper A, Patterson S, Vermulst M, Gout JF. Effects of the glyphosate-based herbicide roundup on C. elegans and S. cerevisiae mortality, reproduction, and transcription fidelity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 356:124203. [PMID: 38830529 PMCID: PMC11321929 DOI: 10.1016/j.envpol.2024.124203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2023] [Revised: 05/16/2024] [Accepted: 05/21/2024] [Indexed: 06/05/2024]
Abstract
Glyphosate-based weed killers such as Roundup have been implicated in detrimental effects on single- and multicellular eukaryotic model organism health and longevity. However, the mode(s) of action for these effects are currently unknown. In this study, we investigate the impact of exposure to Roundup on two model organisms: Saccharomyces cerevisiae and Caenorhabditis elegans and test the hypothesis that exposure to Roundup decreases transcription fidelity. Population growth assays and motility assays were performed in order to determine the phenotypic effects of Roundup exposure. We also used Rolling-Circle Amplification RNA sequencing to quantify the impact of exposure to Roundup on transcription fidelity in these two model organisms. Our results show that exposure to the glyphosate-based herbicide Roundup increases mortality, reduces reproduction, and increases transcription error rates in C. elegans and S. cerevisiae. We suggest that these effects may be due in part to the involvement of inflammation and oxidative stress, conditions which may also contribute to increases in transcription error rates.
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Affiliation(s)
| | - Eastilan Appiah
- Department of Computer Science and Engineering, Computational Biology, Mississippi State University, Starkville, MS, USA
| | - Amy Dapper
- Department of Biology, Mississippi State University, Starkville, MS, USA
| | - Sarah Patterson
- Department of Computer Science and Engineering, Computational Biology, Mississippi State University, Starkville, MS, USA
| | - Marc Vermulst
- University of Southern California, Leonard Davis School of Gerontology, Los Angeles, CA, 90089, USA
| | - Jean-Francois Gout
- Department of Biology, Mississippi State University, Starkville, MS, USA
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7
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Zhang Q, Li Y, Kroeze C, Xu W, Gai L, Vitsas M, Ma L, Zhang F, Strokal M. A global assessment of glyphosate and AMPA inputs into rivers: Over half of the pollutants are from corn and soybean production. WATER RESEARCH 2024; 261:121986. [PMID: 38924948 DOI: 10.1016/j.watres.2024.121986] [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: 12/18/2023] [Revised: 05/31/2024] [Accepted: 06/20/2024] [Indexed: 06/28/2024]
Abstract
Glyphosate is widely used in agriculture for weed control; however, it may pollute water systems with its by-product, aminomethylphosphonic acid (AMPA). Therefore, a better understanding of the flows of glyphosate and AMPA from soils into rivers is required. We developed the spatially explicit MARINA-Pesticides model to estimate the annual inputs of glyphosate and AMPA into rivers, considering 10 crops in 10,226 sub-basins globally for 2020. Our model results show that, globally, 880 tonnes of glyphosate and 4,090 tonnes of AMPA entered rivers. This implies that 82 % of the river inputs were from AMPA, with glyphosate accounting for the remainder. Over half of AMPA and glyphosate in rivers globally originated from corn and soybean production; however, there were differences among sub-basins. Asian sub-basins accounted for over half of glyphosate in rivers globally, with the contribution from corn production being dominant. South American sub-basins accounted for approximately two-thirds of AMPA in rivers globally, originating largely from soybean production. Our findings constitute a reference for implementing and supporting effective control strategies to achieve Sustainable Development Goals 2 and 6 (food production and clean water, respectively) simultaneously in the future.
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Affiliation(s)
- Qi Zhang
- College of Resources and Environmental Sciences; National Academy of Agriculture Green Development; Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, China; Earth Systems and Global Change group, Environmental Sciences Department, Wageningen University & Research, Wageningen, the Netherlands.
| | - Yanan Li
- College of Resources and Environmental Sciences; National Academy of Agriculture Green Development; Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, China; Earth Systems and Global Change group, Environmental Sciences Department, Wageningen University & Research, Wageningen, the Netherlands
| | - Carolien Kroeze
- Earth Systems and Global Change group, Environmental Sciences Department, Wageningen University & Research, Wageningen, the Netherlands
| | - Wen Xu
- College of Resources and Environmental Sciences; National Academy of Agriculture Green Development; Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, China.
| | - Lingtong Gai
- Soil Physics and Land Management Group, Wageningen University & Research, Wageningen, the Netherlands
| | - Miltiadis Vitsas
- Earth Systems and Global Change group, Environmental Sciences Department, Wageningen University & Research, Wageningen, the Netherlands
| | - Lin Ma
- Key Laboratory of Agricultural Water Resources, Hebei Key Laboratory of Soil Ecology, Center for Agricultural Resources Research, Institute of Genetic and Developmental Biology, The Chinese Academy of Sciences, Hebei, China
| | - Fusuo Zhang
- College of Resources and Environmental Sciences; National Academy of Agriculture Green Development; Key Laboratory of Plant-Soil Interactions, Ministry of Education, China Agricultural University, China
| | - Maryna Strokal
- Earth Systems and Global Change group, Environmental Sciences Department, Wageningen University & Research, Wageningen, the Netherlands.
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8
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Alarcón R, Alegre AL, Rivera O, Dioguardi G, Zenclussen ML, Muñoz-de-Toro M, Luque EH, Ingaramo PI. Altered ovarian reserve in Ewe lambs exposed to a glyphosate-based herbicide. CHEMOSPHERE 2024; 363:142895. [PMID: 39067823 DOI: 10.1016/j.chemosphere.2024.142895] [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: 02/06/2024] [Revised: 07/12/2024] [Accepted: 07/16/2024] [Indexed: 07/30/2024]
Abstract
Glyphosate-based herbicides (GBHs) are considered endocrine disruptors that affect the female reproductive tract of rats and ewe lambs. The present study aimed to investigate the impact of neonatal exposure to a low dose of a GBH on the ovarian follicular reserve of ewe lambs and the response to a gonadotropic stimulus with porcine FSH (pFSH). To this end, ewe lambs were orally exposed to an environmentally relevant GBH dose (1 mg/kg/day) or vehicle (Control) from postnatal day (PND) 1 to PND14, and then some received pFSH (50 mg/day) between PND41 and 43. The ovaries were dissected, and follicular types and gene expression were assessed via RT-PCR. The treatments did not affect the body weight of animals, but pFSH increased ovarian weight, not observed in GBH-exposed lambs. GBH-exposed lambs showed decreased Estrogen receptor-alpha (56%), Progesterone receptor (75%), Activin receptor II (ACVRII) (85%), and Bone morphogenetic protein 15 (BMP15) (88%) mRNA levels. Control lambs treated with pFSH exhibited downregulation of Follistatin (81%), ACVRII (77%), BMP15 (93%), and FSH receptor (FSHr) (72%). GBH-exposed lambs treated with pFSH displayed reduced ACVRII (68%), BMP15 (81%), and FSHr (50%). GBH-exposed lambs also exhibited decreased Anti-Müllerian hormone expression in primordial and antral follicles (27%) and (54%) respectively) and reduced Bone morphogenetic protein 4 (31%) expression in primordial follicles. Results suggest that GBH disrupts key follicular development molecules and interferes with pFSH action in ovarian receptors, decreasing the ovarian reserve. Future studies should explore whether this decreased ovarian reserve impairs adult ovarian function and its response to superovulation stimuli.
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Affiliation(s)
- Ramiro Alarcón
- Instituto de Salud y Ambiente del Litoral (ISAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Ana Laura Alegre
- Instituto de Salud y Ambiente del Litoral (ISAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Oscar Rivera
- Instituto de Investigación sobre Producción Agropecuaria, Ambiente y Salud (IIPAAS), Facultad de Ciencias Agrarias, Universidad Nacional de Lomas de Zamora, Buenos Aires, Argentina
| | - Gisela Dioguardi
- Instituto de Investigación sobre Producción Agropecuaria, Ambiente y Salud (IIPAAS), Facultad de Ciencias Agrarias, Universidad Nacional de Lomas de Zamora, Buenos Aires, Argentina
| | - María Laura Zenclussen
- Instituto de Salud y Ambiente del Litoral (ISAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Enrique H Luque
- Instituto de Salud y Ambiente del Litoral (ISAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Paola I Ingaramo
- Instituto de Salud y Ambiente del Litoral (ISAL), Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Facultad de Bioquímica y Ciencias Biológicas Universidad Nacional del Litoral, Santa Fe, Argentina.
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9
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Noack F, Engist D, Gantois J, Gaur V, Hyjazie BF, Larsen A, M'Gonigle LK, Missirian A, Qaim M, Sargent RD, Souza-Rodrigues E, Kremen C. Environmental impacts of genetically modified crops. Science 2024; 385:eado9340. [PMID: 39208101 DOI: 10.1126/science.ado9340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2024] [Accepted: 06/24/2024] [Indexed: 09/04/2024]
Abstract
Genetically modified (GM) crops have been adopted by some of the world's leading agricultural nations, but the full extent of their environmental impact remains largely unknown. Although concerns regarding the direct environmental effects of GM crops have declined, GM crops have led to indirect changes in agricultural practices, including pesticide use, agricultural expansion, and cropping patterns, with profound environmental implications. Recent studies paint a nuanced picture of these environmental impacts, with mixed effects of GM crop adoption on biodiversity, deforestation, and human health that vary with the GM trait and geographic scale. New GM or gene-edited crops with different traits would likely have different environmental and human health impacts.
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Affiliation(s)
- Frederik Noack
- Food and Resource Economics, University of British Columbia, Vancouver, BC, Canada
| | - Dennis Engist
- Food and Resource Economics, University of British Columbia, Vancouver, BC, Canada
| | - Josephine Gantois
- Food and Resource Economics, University of British Columbia, Vancouver, BC, Canada
- Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, BC, Canada
| | - Vasundhara Gaur
- Institute for Policy Integrity, New York University School of Law, New York, NY
| | - Batoule F Hyjazie
- Land and Food Systems, University of British Columbia, Vancouver, BC, Canada
| | - Ashley Larsen
- Bren School of Environmental Science & Management, University of California, Santa Barbara, Santa Barbara, CA
| | - Leithen K M'Gonigle
- Department of Biological Sciences, Simon Fraser University, Burnaby, BC, Canada
| | - Anouch Missirian
- Toulouse School of Economics, INRAe, University of Toulouse Capitole, Toulouse, France
| | - Matin Qaim
- Center for Development Research (ZEF), University of Bonn, Germany
- Institute for Food and Resource Economics, University of Bonn, Germany
| | - Risa D Sargent
- Land and Food Systems, University of British Columbia, Vancouver, BC, Canada
| | - Eduardo Souza-Rodrigues
- Department of Economics, University of Toronto, Toronto, Ontario, Canada
- Centre for Economic Policy Research, London, England
| | - Claire Kremen
- Institute for Resources, Environment and Sustainability, University of British Columbia, Vancouver, BC, Canada
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10
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Zhao F, Liu Y, Lan J. One-step electrosynthesis of Cu-Hemin MOFs/CNTs for the dual determination of glyphosate. Mikrochim Acta 2024; 191:564. [PMID: 39190188 DOI: 10.1007/s00604-024-06626-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Accepted: 07/31/2024] [Indexed: 08/28/2024]
Abstract
A simple and efficient dual-signal electrochemical sensor was designed for glyphosate (GLYP) determination based on the one-step electro-synthesized Cu-Hemin MOFs/CNTs nanocrystals. Cu-Hemin MOFs/CNTs were directly modified on the electrode through electrodeposition, avoiding complicated synthesis and modification processes. The incorporation of CNTs greatly boosted the conductivity of Cu-Hemin MOFs and the sensitivity of the electrochemical sensor. Cu active sites in Cu-Hemin MOFs were converted to CuCl, allowing the specific detection of GLYP with the turn of CuCl into non-electroactive Cu-GLYP. Meanwhile, GLYP showed highly effective inhibition effect on the inherent peroxidase-like activity of Cu-Hemin MOFs, therefore generating the second electrochemical signal with Cu-Hemin MOFs-catalyzed o-phenylenediamine (o-PD) + H2O2 system. The Cu-Hemin MOFs/CNTs based sensor with two electrochemical signals showed good linearities of 1.0 × 10-10 M - 3.0 × 10-6 M and 1.0 × 10-10 M - 5.0 × 10-5 M, with detection limits of 5.17 × 10-12 M and 6.81 × 10-12 M for the CuCl signal based assay and nanozyme catalyzed o-PD + H2O2 procedure, respectively. This simple and robust dual-signal sensor with excellent selectivity, accuracy, and stability allowed GLYP quantification in real samples, highlighting the potential application of this approach for food and environmental monitoring.
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Affiliation(s)
- Fan Zhao
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, 300387, China.
| | - Yunxi Liu
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, 300387, China
| | - Jingyue Lan
- Tianjin Key Laboratory of Structure and Performance for Functional Molecules, College of Chemistry, Tianjin Normal University, Tianjin, 300387, China
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11
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Hotchkiss MZ, Forrest JRK, Poulain AJ. Changes in bumblebee queen gut microbiotas during and after overwintering diapause. INSECT MOLECULAR BIOLOGY 2024. [PMID: 39175129 DOI: 10.1111/imb.12957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2024] [Accepted: 08/10/2024] [Indexed: 08/24/2024]
Abstract
Bumblebees are key pollinators with gut microbiotas that support host health. After bumblebee queens undergo winter diapause, which occurs before spring colony establishment, their gut microbiotas are disturbed, but little is known about community dynamics during diapause itself. Queen gut microbiotas also help seed worker microbiotas, so it is important that they recover post-diapause to a typical community structure, a process that may be impeded by pesticide exposure. We examined how bumblebee queen gut microbiota community structure and metabolic potential shift during and after winter diapause, and whether post-diapause recovery is affected by pesticide exposure. To do so, we placed commercial Bombus impatiens queens into diapause, euthanizing them at 0, 2 and 4 months of diapause. Additionally, we allowed some queens to recover from diapause for 1 week before euthanasia, exposing half to the common herbicide glyphosate. Using whole-community, shotgun metagenomic sequencing, we found that core bee gut phylotypes dominated queen gut microbiotas before, during and after diapause, but that two phylotypes, Schmidhempelia and Snodgrassella, ceased to be detected during late diapause and recovery. Despite fluctuations in taxonomic community structure, metabolic potential remained constant through diapause and recovery. Also, glyphosate exposure did not affect post-diapause microbiota recovery. However, metagenomic assembly quality and our ability to detect microbial taxa and metabolic pathways declined alongside microbial abundance, which was substantially reduced during diapause. Our study offers new insights into how bumblebee queen gut microbiotas change taxonomically and functionally during a key life stage and provides guidance for future microbiota studies in diapausing bumblebees.
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12
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Barnes KW, Niemuth ND, Iovanna R. Landscape-scale predictions of future grassland conversion to cropland or development. CONSERVATION BIOLOGY : THE JOURNAL OF THE SOCIETY FOR CONSERVATION BIOLOGY 2024:e14346. [PMID: 39166834 DOI: 10.1111/cobi.14346] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 04/12/2024] [Accepted: 05/04/2024] [Indexed: 08/23/2024]
Abstract
Grassland conservation planning often focuses on high-risk landscapes, but many grassland conversion models are not designed to optimize conservation planning because they lack multidimensional risk assessments and are misaligned with ecological and conservation delivery scales. To aid grassland conservation planning, we developed landscape-scale models at relevant scales that predict future (2021-2031) total and proportional loss of unprotected grassland to cropland or development. We developed models for 20 ecoregions across the contiguous United States by relating past conversion (2011-2021) to a suite of covariates in random forest regression models and applying the models to contemporary covariates to predict future loss. Overall, grassland loss models performed well, and explanatory power varied spatially across ecoregions (total loss model: weighted group mean R2 = 0.89 [range: 0.83-0.96], root mean squared error [RMSE] = 9.29 ha [range: 2.83-22.77 ha]; proportional loss model: weighted group mean R2 = 0.74 [range: 0.64-0.87], RMSE = 0.03 [range: 0.02-0.06]). Amount of crop in the landscape and distance to cities, ethanol plants, and concentrated animal feeding operations had high variable importance in both models. Total grass loss was greater when there were moderate amounts of grass, crop, or development (∼50%) in the landscape. Proportional grass loss was greater when there was less grass (∼<30%) and more crop or development (∼>50%). Some variables had a large effect on only a subset of ecoregions, for example, grass loss was greater when ∼>70% of the landscape was enrolled in the Conservation Reserve Program. Our methods provide a simple and flexible approach for developing risk layers well suited for conservation that can be extended globally. Our conversion models can support conservation planning by enabling prioritization as a function of risk that can be further optimized by incorporating biological value and cost.
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Affiliation(s)
- Kevin W Barnes
- Habitat and Population Evaluation Team, U.S. Fish and Wildlife Service, Hadley, Massachusetts, USA
| | - Neal D Niemuth
- Habitat and Population Evaluation Team, U.S. Fish and Wildlife Service, Bismarck, North Dakota, USA
| | - Rich Iovanna
- Farm Production and Conservation, U.S. Department of Agriculture, Washington, District of Columbia, USA
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13
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Schluter HM, Bariami H, Park HL. Potential Role of Glyphosate, Glyphosate-Based Herbicides, and AMPA in Breast Cancer Development: A Review of Human and Human Cell-Based Studies. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2024; 21:1087. [PMID: 39200696 PMCID: PMC11354939 DOI: 10.3390/ijerph21081087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/25/2024] [Revised: 08/07/2024] [Accepted: 08/13/2024] [Indexed: 09/02/2024]
Abstract
The potential connection between exposure to glyphosate and glyphosate-based herbicides (GBHs) and breast cancer risk is a topic of research that is rapidly gaining the public's attention due to the conflicting reports surrounding glyphosate's potential carcinogenicity. In this review, we synthesize the current published biomedical literature works that have explored associations of glyphosate, its metabolite, aminomethylphosphonic acid (AMPA), and GBHs with breast cancer risk in humans and human cell-based models. Using PubMed as our search engine, we identified a total of 14 articles that were included in this review. In the four human studies, urinary glyphosate and/or AMPA were associated with breast cancer risk, endocrine disruption, oxidative stress biomarkers, and changes in DNA methylation patterns. Among most of the 10 human cell-based studies, glyphosate exhibited endocrine disruption, induced altered gene expression, increased DNA damage, and altered cell viability, while GBHs were more cytotoxic than glyphosate alone. In summary, numerous studies have shown glyphosate, AMPA, and GBHs to have potential carcinogenic, cytotoxic, or endocrine-disruptive properties. However, more human studies need to be conducted in order for more definitive and supported conclusions to be made on their potential effects on breast cancer risk.
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Affiliation(s)
| | | | - Hannah Lui Park
- Department of Pathology and Laboratory Medicine, University of California, 839 Health Sciences Road, 218 Sprague Hall, Irvine, CA 92697, USA; (H.M.S.); (H.B.)
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14
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Liang Q, Liu BY, Zhang TL, Zhang HJ, Ren YL, Wang HP, Wang H, Wang L. Chronic dietary exposure to glyphosate-induced connexin 43 autophagic degradation contributes to blood-testis barrier disruption in roosters. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 951:175606. [PMID: 39159698 DOI: 10.1016/j.scitotenv.2024.175606] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2024] [Revised: 08/13/2024] [Accepted: 08/15/2024] [Indexed: 08/21/2024]
Abstract
Glyphosate (GLY) is the most universally used herbicide worldwide and its application has caused extensive pollution to the ecological environment. Increasing evidence has revealed the multi-organ toxicity of GLY in different species, but its male reproductive toxicity in avian species remains unknown. Thus, in vivo and in vitro studies were conducted to clarify this issue. Data firstly showed that chronic GLY exposure caused testicular pathological damage. Intriguingly, we identified and verified a marked down-regulation gap junction gene Connexin 43 (Cx43) in GLY-exposed rooster testis by transcriptome analysis. Cx43 generated by Sertoli cells acts as a key component of blood-testis barrier (BTB). To further investigate the cause of GLY-induced downregulation of Cx43 to disrupt BTB, we found that autophagy activation is revealed in GLY-exposed rooster testis and primary avian Sertoli cells. Moreover, GLY-induced Cx43 downregulation was significantly alleviated by ATG5 knockdown or CQ administration, respectively, demonstrating that GLY-induced autophagy activation contributed to Cx43 degradation. Mechanistically, GLY-induced autophagy activation and resultant Cx43 degradation was due to its direct interaction with ER-α. In summary, these findings demonstrate that chronic GLY exposure activates autophagy to induce Cx43 degradation, which causes BTB damage and resultant reproductive toxicity in roosters.
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Affiliation(s)
- Qing Liang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Bao-You Liu
- Yantai Academy of Agricultural Sciences, Yan'tai City 265500, Shandong Province, China
| | - Tian-Lin Zhang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Hai-Jing Zhang
- New Drug Evaluation Center of Shandong Academy of Pharmaceutical Sciences, Shandong Academy of Pharmaceutical Sciences, 989 Xinluo Street, Ji'nan City 250101, Shandong Province, China
| | - Yu-Long Ren
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Hai-Peng Wang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Hao Wang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China
| | - Lin Wang
- College of Veterinary Medicine, Shandong Provincial Key Laboratory of Zoonoses, Shandong Agricultural University, 7 Panhe Street, Tai'an City, Shandong Province 271017, China.
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15
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Spulber S, Reis L, Alexe P, Ceccatelli S. Decreased activity in zebrafish larvae exposed to glyphosate-based herbicides during development-potential mediation by glucocorticoid receptor. FRONTIERS IN TOXICOLOGY 2024; 6:1397477. [PMID: 39165249 PMCID: PMC11333450 DOI: 10.3389/ftox.2024.1397477] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 06/19/2024] [Indexed: 08/22/2024] Open
Abstract
Glyphosate-based herbicides (GBH) are a widely used group of pesticides that have glyphosate (GLY) as main active compound and are used to control a wide range of weeds. Experimental and epidemiological studies point to neurotoxicity and endocrine disruption as main toxic effects. The aim of this study was to investigate the effects of developmental exposure to GLY and GBH on locomotor behavior, and the possible contribution of GR-mediated signaling. We used zebrafish (Danio rerio) larvae in a continuous exposure regimen to GLY or GBH in the rearing medium. Alongside TL wildtype, we used a mutant line carrying a mutation in the GR which prevents the GR from binding to DNA (grs357), as well as a transgenic strain expressing a variant of enhanced green fluorescent protein (d4eGFP) controlled by a promoter carrying multiple GR response elements (SR4G). We found that acute exposure to GBH, but not GLY, activates GR-mediated signaling. Using a continuous developmental exposure regime, we show that wildtype larvae exposed to GBH display decreased spontaneous activity and attenuated response to environmental stimuli, a pattern of alteration similar to the one observed in grs357 mutant larvae. In addition, developmental exposure to GBH has virtually no effects on the behavior of grs357 mutant larvae. Taken together, our data indicate that developmental exposure to GBH has more pronounced effects than GLY on behavior at 5 dpf, and that interference with GR-mediated signaling may have a relevant contribution.
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Affiliation(s)
- S. Spulber
- Department of Neuroscience, Karolinska Institutet, Stockholm, Sweden
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16
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Zheng M, Zhou M, Deng W, Wang P, An Y. Semi-quantitative and visual detection of Cu 2+ and glyphosate in real samples and living cells using fluorescent and colorimetric dual-signals peptide-based probe. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 316:124327. [PMID: 38669979 DOI: 10.1016/j.saa.2024.124327] [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: 02/22/2024] [Revised: 04/11/2024] [Accepted: 04/21/2024] [Indexed: 04/28/2024]
Abstract
The excessive emission of copper ions (Cu2+) and the abuse of glyphosate (Glyp) have caused serious harm to the ecological environment and human health, so it is important to develop a fast and convenient method for the analysis of Cu2+ and glyphosate to ensure environmental and food safety. Herein, a dual-signals peptide-based probe (FASRH) with fluorescent and colorimetric was prepared using 5-carboxyl fluorescein modified tetrapeptide (Ala-Ser-Arg-His-NH2). FASRH was successfully used to recognize Cu2+ as a fluorescence "on-off" probe, forming the FASRH-Cu2+ complex with non-fluorescence. As a new promising cascade probe, FASRH-Cu2+ complex probe has high selectivity (only Glyp), good sensitivity (50.2 nM), good anti-interference ability and wide pH range (7.0-11.0) for the detection of glyphosate by ligand replacement method. In addition, the recognizable color changed markedly under 365 nm UV light and natural light. Notably, FASRH not only achieved accurate monitoring of Cu2+ and glyphosate in two real water samples, but also successfully applied to detect Cu2+ and glyphosate in live Hacat cells based on low cytotoxicity. Moreover, it is worth noting that FASRH-impregnated test strips exhibited significant fluorescence and colorimetric color changes for Cu2+ and glyphosate via naked eye. Furthermore, smartphone-assisted FASRH was used for the portable detection of Cu2+ and glyphosate based on the advantages of simplicity, low cost and fast response.
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Affiliation(s)
- Maoyue Zheng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Miao Zhou
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Weiliang Deng
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China
| | - Peng Wang
- Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, College of Chemistry and Chemical Engineering, China West Normal University, Shida Road 1#, Nanchong 637009, PR China.
| | - Yong An
- The First School of Clinical Medicine, Gansu University of Chinese Medicine, Lanzhou, Gansu 730030, PR China.
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17
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Schäfer AK, Vetter W, Anastassiades M. Analysis of highly polar anionic pesticides in food of plant and animal origin by ion chromatography and tandem mass spectrometry with emphasis on addressing adverse effects caused by matrix co-extractives. Anal Bioanal Chem 2024; 416:4503-4517. [PMID: 38896239 PMCID: PMC11294259 DOI: 10.1007/s00216-024-05389-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2024] [Revised: 06/03/2024] [Accepted: 06/04/2024] [Indexed: 06/21/2024]
Abstract
Residues of various highly polar pesticides and their metabolites are commonly found in numerous food products. Some of these compounds, such as glyphosate, are not only used in large amounts in agriculture, but are also controversially discussed in public. Here, we present a method, employing ion chromatography (IC) coupled to tandem mass spectrometry (IC-MS/MS), for the analyses of glyphosate, aminomethyl phosphonic acid (AMPA), N-acetyl-glyphosate (NAGly), fosetyl, and 10 further highly polar pesticides and metabolites in various plant and animal matrices following a minimal sample preparation by means of the QuPPe method. Thorough investigations showed that an AS19 column enabled the analysis of all 14 compounds within 30 min. The best sensitivity could be obtained with the make-up solvent acetonitrile being admixed to the mobile phase at a 1:2 flow rate ratio. Matrix effects were thoroughly studied in terms of ion suppression and retention time shifts. Conductivity detection was used to monitor elution profiles of matrix co-extractives in comparison with matrix effect profiles obtained by continuous post-column infusion of a mix with 13 highly polar pesticides and metabolites. These tests indicated that a fivefold dilution of QuPPe extracts was suitable for the routine analysis of samples for MRL-conformity, as it considerably reduced matrix effects maintaining sufficient sensitivity and high recovery rates in eight different commodities. The suitability of the final method for its application in routine analysis was verified by the analysis of >130 samples containing incurred residues where the results were compared with two existing LC-MS/MS methods.
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Affiliation(s)
- Ann-Kathrin Schäfer
- Section of Residues and Contaminants, Chemisches und Veterinäruntersuchungsamt Stuttgart, Fellbach, D-70736, Germany.
| | - Walter Vetter
- Institute of Food Chemistry (170b), University of Hohenheim, Stuttgart, D-70599, Germany
| | - Michelangelo Anastassiades
- Section of Residues and Contaminants, Chemisches und Veterinäruntersuchungsamt Stuttgart, Fellbach, D-70736, Germany
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18
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Ospina M, Schütze A, Morales-Agudelo P, Vidal M, Wong LY, Calafat AM. Temporal trends of exposure to the herbicide glyphosate in the United States (2013-2018): Data from the National Health and Nutrition Examination Survey. CHEMOSPHERE 2024; 364:142966. [PMID: 39074666 DOI: 10.1016/j.chemosphere.2024.142966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 07/26/2024] [Accepted: 07/27/2024] [Indexed: 07/31/2024]
Abstract
Glyphosate, the most widely used herbicide in the United States, is applied to control broadleaf weeds and grasses. Public concern is mounting over how pesticides affect human and environmental health. Glyphosate toxicity in animals is known, but human carcinogenicity is controversial, and limited epidemiologic evidence suggests associations between exposure and respiratory diseases (e.g., asthma) and adverse child neurodevelopment. Understanding the extent of the general U.S. population exposure to glyphosate is important. To examine temporal trends in exposure to glyphosate, we determined urinary concentrations of glyphosate among U.S. children and adults from three cycles of the National Health and Nutrition Examination Survey (NHANES) conducted 2013-2018. Most of the population (70.0%-81.7%, depending on cycle) was exposed, including children as young as 3 years of age. Concentrations decreased from 2013 to 2018 by 38%; the decline was smaller in younger age groups. The downward trend likely reflects changes in glyphosate use resulting, at least in part, from changes in agricultural practices, regulatory actions, and shifts in public awareness regarding glyphosate toxicity. Continuing glyphosate biomonitoring will help understand how changes in use and actions to restrict applications of this common pesticide affect human exposures.
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Affiliation(s)
- Maria Ospina
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS S103-2, Atlanta, GA, 30341, USA.
| | - Andre Schütze
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS S103-2, Atlanta, GA, 30341, USA.
| | - Pilar Morales-Agudelo
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS S103-2, Atlanta, GA, 30341, USA.
| | - Meghan Vidal
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS S103-2, Atlanta, GA, 30341, USA.
| | - Lee-Yang Wong
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS S103-2, Atlanta, GA, 30341, USA.
| | - Antonia M Calafat
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, 4770 Buford Hwy, MS S103-2, Atlanta, GA, 30341, USA.
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19
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Cornish CM, Johnson OF, Bansal S, Meier JA, Harris TD, Sweetman JN. Common use herbicides increase wetland greenhouse gas emissions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 933:172881. [PMID: 38701922 DOI: 10.1016/j.scitotenv.2024.172881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/27/2024] [Accepted: 04/27/2024] [Indexed: 05/05/2024]
Abstract
Wetlands play a disproportionate role in the global climate as major sources and sinks of greenhouse gases. Herbicides are the most heavily used agrochemicals and are frequently detected in aquatic ecosystems, with glyphosate and 2,4-Dichlorophenoxyacetic acid (2,4-D), representing the two most commonly used worldwide. In recent years, these herbicides are being used in mixtures to combat herbicide-tolerant noxious weeds. While it is well documented that herbicide use for agriculture is expected to increase, their indirect effects on wetland greenhouse gas dynamics are virtually unknown. To fill this knowledge gap, we conducted a factorial microcosm experiment using low, medium, and high concentrations of glyphosate or 2,4-D, individually and in combination to investigate their effects on wetland methane, carbon dioxide, and nitrous oxide fluxes. We predicted that mixed herbicide treatments would have a synergistic effect on greenhouse gases compared to individual herbicides. Our results showed that carbon dioxide flux rates and cumulative emissions significantly increased from both individual and mixed herbicide treatments, whereas methane and nitrous oxide dynamics were less affected. This study suggests that extensive use of glyphosate and 2,4-D may increase carbon dioxide emissions from wetlands, which could have implications for climate change.
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Affiliation(s)
- Christine M Cornish
- Environmental and Conservation Sciences, North Dakota State University, 1340 Administration Avenue, Fargo, ND 58105, United States.
| | - Olivia F Johnson
- U.S. Geological Survey, Northern Prairie Wildlife Research Center, Jamestown, ND, United States; Department of Biological Sciences, Kent State University, Kent, OH, United States
| | - Sheel Bansal
- U.S. Geological Survey, Northern Prairie Wildlife Research Center, Jamestown, ND, United States
| | - Jacob A Meier
- U.S. Geological Survey, Northern Prairie Wildlife Research Center, Jamestown, ND, United States
| | - Ted D Harris
- Kansas Biological Survey and Center for Ecological Research, Lawrence, KS, United States
| | - Jon N Sweetman
- Department of Ecosystem Science and Management, The Pennsylvania State University, 457 ASI Building, University Park, PA 16802, United States
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20
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Oddi S, Altamirano GA, Zenclussen ML, Abud JE, Vaira S, Gomez AL, Schierano-Marotti G, Muñoz-de-Toro M, Kass L. Glyphosate modifies the gene expression and migration of trophoblastic cells without altering the process of angiogenesis or the implantation of blastocysts in vitro. Food Chem Toxicol 2024; 189:114748. [PMID: 38763501 DOI: 10.1016/j.fct.2024.114748] [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: 02/15/2024] [Revised: 04/29/2024] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
Adverse pregnancy outcomes have been associated with the presence of glyphosate (G) in umbilical cord, serum, and urine samples from pregnant women. Our aim was to study the effect of G on blastocyst implantation using an in vitro mouse model, and the migration and acquisition of endothelial phenotype of the human trophoblastic HTR8/SVneo (H8) cells. In mouse blastocysts, no differences in attachment time and implantation outgrowth area were observed after G exposure. H8 cell migration was stimulated by 0.625 μM G without cytotoxicity. After 6 h, the mRNA expression of vascular endothelial growth factor (VEGF) and C-C motif chemokine ligand 2 (CCL2) was upregulated in H8 cells exposed to 1.25 μM G when compared vehicle-treated cells (p ≤ 0.05). No differences were observed in interleukin 11, VEGF receptor 1, and coagulation factor II thrombin receptor in H8 cells exposed to different concentrations of G for 6 h compared to the vehicle. Interestingly, exposure to G did not alter angiogenesis as measured by a tube formation assay. Taken all together, these results suggest that G exposure may contribute as a risk factor during pregnancy, due to its ability to alter trophoblast migration and gene expression.
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Affiliation(s)
- Sofía Oddi
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Gabriela A Altamirano
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - María L Zenclussen
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Julián E Abud
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Fisiología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Stella Vaira
- Departamento de Matemática, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Ayelen L Gomez
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Gonzalo Schierano-Marotti
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Mónica Muñoz-de-Toro
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina
| | - Laura Kass
- Instituto de Salud y Ambiente del Litoral (ISAL. UNL-CONICET), Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina; Cátedra de Patología Humana, Facultad de Bioquímica y Ciencias Biológicas, Universidad Nacional del Litoral, Santa Fe, Argentina.
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21
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Pasquier L, Lécureuil C, Meunier J. Limited effects of a glyphosate-based herbicide on the behaviour and immunity of males from six populations of the European earwig. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:44205-44217. [PMID: 38926311 DOI: 10.1007/s11356-024-34063-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/20/2023] [Accepted: 06/17/2024] [Indexed: 06/28/2024]
Abstract
The use of herbicides on crops often results in unintentional, low-dose exposure of non-target organisms, such as insects. While these exposures are increasingly known to alter the survival and physiology of insects, it remains unclear whether these effects can vary between populations and modify other fitness-related traits, such as behaviour and immunity. Here, we addressed these questions by testing the effects of sublethal exposure to a glyphosate-based herbicide (GBH) on the behaviour and immunity of European earwig males from six natural populations. We exposed each male to a dose of a common GBH (Roundup©) that was either recommended for crops, five times lower than that recommended for crops, or to a control solution. Twenty-four hours later, we measured the activity, boldness, and aggregation of each male. We then exposed them to an entomopathogenic fungus, monitored their survival for 6 weeks, and measured the immune response of the survivors. We found a condition-dependent effect of GBH exposure on male activity. Exposure to low doses induced a positive association between activity and weight, which was not observed in the high-dose and control groups. However, GBH had no effect on any of the other measured traits. All these results were consistent across the six populations tested, although we did find population-specific differences in almost all measurements on males. Further research is now needed to better understand the dose-response to GBH on male activity and its biological impact, as well as to evaluate the effectiveness of detoxification processes in this species. Overall, these results emphasise the importance of investigating the effects of herbicides on insects to expand our general understanding of the use and potential risks of plant protection products in integrated pest management programs.
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Affiliation(s)
- Laura Pasquier
- Institut de Recherche Sur La Biologie de L'Insecte, UMR 7261, CNRS, University of Tours, Tours, France.
| | - Charlotte Lécureuil
- Institut de Recherche Sur La Biologie de L'Insecte, UMR 7261, CNRS, University of Tours, Tours, France
| | - Joël Meunier
- Institut de Recherche Sur La Biologie de L'Insecte, UMR 7261, CNRS, University of Tours, Tours, France
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22
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Leblanc PO, Breton Y, Léveillé F, Tessier PA, Pelletier M. The impact of the herbicide glyphosate and its metabolites AMPA and MPA on the metabolism and functions of human blood neutrophils and their sex-dependent effects on reactive oxygen species and CXCL8/IL-8 production. ENVIRONMENTAL RESEARCH 2024; 252:118831. [PMID: 38580005 DOI: 10.1016/j.envres.2024.118831] [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: 02/09/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
Significant levels of glyphosate, the world's most widely used herbicide, and its primary metabolites, AMPA and MPA, are detected in various human organs and body fluids, including blood. Several studies have associated the presence of glyphosate in humans with health problems, and effects on immune cells and their functions have been reported. However, the impact of this molecule and its metabolites on neutrophils, the most abundant leukocytes in the human bloodstream, is still poorly documented. We isolated neutrophils from human donor blood and investigated the effects of exposure to glyphosate, AMPA, and MPA on viability, energy metabolism, and essential antimicrobial functions in vitro. We observed that neutrophil viability was unaffected at the blood-relevant average concentrations of the general population and exposed workers, as well as at higher intoxication concentrations. Neutrophil energy metabolism was also not altered following exposure to the chemicals. However, while phagocytosis was unaffected, reactive oxygen species generation and CXCL8/IL-8 production were altered by exposure to the molecules. Alterations in function following exposure to glyphosate and metabolites differed according to the sex of the donors, which could be linked to glyphosate's known role as an endocrine disruptor. While ROS generation was increased in both sexes, male neutrophils exposed to glyphosate had increased intracellular production of CXCL8/IL-8, with no effect on female neutrophils. Conversely, exposure to the metabolites AMPA and MPA decreased extracellular production of this chemokine only in female neutrophils, with MPA also increasing intracellular production in male cells exposed to the chemoattractant N-formyl-methionine-leucyl-phenylalanine. Our study highlights the effects of glyphosate and its metabolites on the antimicrobial functions of neutrophils, which could be associated with health problems as future studies provide a better understanding of the risks associated with glyphosate use. Advances in knowledge will enable better and potentially stricter regulations to protect the public.
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Affiliation(s)
- Pier-Olivier Leblanc
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada
| | - Yann Breton
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada
| | - Florence Léveillé
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada
| | - Philippe A Tessier
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada; Department of Microbiology-Infectious Diseases and Immunology, Faculty of Medicine, Laval University, 1050 Av. de la Médecine, Québec City, Québec, G1V 0A6, Canada
| | - Martin Pelletier
- Infectious and Immune Diseases Axis, CHU de Québec-Université Laval Research Center, 2705 Boul. Laurier, Québec City, Québec, G1V 4G2, Canada; Department of Microbiology-Infectious Diseases and Immunology, Faculty of Medicine, Laval University, 1050 Av. de la Médecine, Québec City, Québec, G1V 0A6, Canada.
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23
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Otaru S, Jones LE, Carpenter DO. Associations between urine glyphosate levels and metabolic health risks: insights from a large cross-sectional population-based study. Environ Health 2024; 23:58. [PMID: 38926689 PMCID: PMC11210132 DOI: 10.1186/s12940-024-01098-8] [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: 04/16/2024] [Accepted: 06/18/2024] [Indexed: 06/28/2024]
Abstract
BACKGROUND The prevalence of metabolic syndrome (MetS) in American adults increased from 37.6% in the 2011-12 period to 41.8% in 2017-2018. Environmental exposure, particularly to common compounds such as glyphosate, has drawn increasing attention as a potential risk factor. METHODS We employed three cycles of data (2013-2018) from the National Health and Nutrition Examination Survey (NHANES) in a cross-sectional study to examine potential associations between urine glyphosate measurements and MetS incidence. We first created a MetS score using exploratory factor analysis (EFA) of the International Diabetes Federation (IDF) criteria for MetS, with data drawn from the 2013-2018 NHANES cycles, and validated this score independently on an additional associated metric, the albumin-to-creatinine (ACR) ratio. The score was validated via a machine learning approach in predicting the ACR score via binary classification and then used in multivariable regression to test the association between quartile-categorized glyphosate exposure and the MetS score. RESULTS In adjusted multivariable regressions, regressions between quartile-categorized glyphosate exposure and MetS score showed a significant inverted U-shaped or saturating dose‒response profile, often with the largest effect for exposures in quartile 3. Exploration of potential effect modification by sex, race, and age category revealed significant differences by race and age, with older people (aged > 65 years) and non-Hispanic African American participants showing larger effect sizes for all exposure quartiles. CONCLUSIONS We found that urinary glyphosate concentration is significantly associated with a statistical score designed to predict MetS status and that dose-response coefficient is nonlinear, with advanced age and non-Hispanic African American, Mexican American and other Hispanic participants exhibiting greater effect sizes.
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Affiliation(s)
- Sarah Otaru
- Department of Environmental Health Sciences, University at Albany, State University of New York, 1 University Place, Rensselaer, NY, USA
- Institute for Health and the Environment (IHE), 5 University Place, Rensselaer, NY, USA
| | - Laura E Jones
- Institute for Health and the Environment (IHE), 5 University Place, Rensselaer, NY, USA.
- Center for Biostatistics, Bassett Research Institute, 1 Atwell Rd., Cooperstown, NY, USA.
- Department of Epidemiology and Biostatistics, School of Public Health, State University of New York, 1 University Place, Rensselaer, NY, USA.
| | - David O Carpenter
- Department of Environmental Health Sciences, University at Albany, State University of New York, 1 University Place, Rensselaer, NY, USA
- Institute for Health and the Environment (IHE), 5 University Place, Rensselaer, NY, USA
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24
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Chianese T, Trinchese G, Leandri R, De Falco M, Mollica MP, Scudiero R, Rosati L. Glyphosate Exposure Induces Cytotoxicity, Mitochondrial Dysfunction and Activation of ERα and ERβ Estrogen Receptors in Human Prostate PNT1A Cells. Int J Mol Sci 2024; 25:7039. [PMID: 39000147 PMCID: PMC11241661 DOI: 10.3390/ijms25137039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/20/2024] [Accepted: 06/25/2024] [Indexed: 07/16/2024] Open
Abstract
Glyphosate, the active ingredient of several broad-spectrum herbicides, is widely used throughout the world, although many adverse effects are known. Among these, it has been recognized as an endocrine disruptor. This work aimed to test the effects and potential endocrine disrupting action of glyphosate on PNT1A human prostate cells, an immortalized non-tumor epithelial cell line, possessing both ERα and ERβ estrogen receptors. The results showed that glyphosate induces cytotoxicity, mitochondrial dysfunction, and rapid activation of ERα and ERβ via nuclear translocation. Molecular analysis indicated a possible involvement of apoptosis in glyphosate-induced cytotoxicology. The apoptotic process could be attributed to alterations in mitochondrial metabolism; therefore, the main parameters of mitochondrial functionality were investigated using the Seahorse analyzer. Impaired mitochondrial function was observed in glyphosate-treated cells, with reductions in ATP production, spare respiratory capacity, and proton leakage, along with increased efficiency of mitochondrial coupling. Finally, the results of immunofluorescence analysis demonstrated that glyphosate acts as an estrogen disruptor determining the nuclear translocation of both ERs. Nuclear translocation occurred independent of dose, faster than the specific hormone, and persisted throughout treatment. In conclusion, the results collected show that in non-tumor prostate cells glyphosate can cause cell death and acts as a xenoestrogen, activating estrogen receptors. The consequent alteration of hormonal functions can have negative effects on the reproductive health of exposed animals, compromising their fertility.
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Affiliation(s)
- Teresa Chianese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Giovanna Trinchese
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Rebecca Leandri
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Maria De Falco
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- National Institute of Biostructures and Biosystems (INBB), Viale delle Medaglie d’Oro 305, 00136 Roma, Italy
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
| | - Maria Pina Mollica
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
| | - Rosaria Scudiero
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
| | - Luigi Rosati
- Department of Biology, University Federico II, Via Cintia 21, 80126 Napoli, Italy; (T.C.); (G.T.); (R.L.); (M.D.F.); (M.P.M.); (R.S.)
- BAT Center—Interuniversity Center for Studies on Bioinspired Agro-Environmental Technology, University of Napoli Federico II, 80055 Portici, Italy
- CIRAM—Centro Interdipartimentale di Ricerca “Ambiente”, University Federico II, Via Mezzocannone 16, 80134 Napoli, Italy
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25
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Tang P, Wang Y, Liao Q, Zhou Y, Huang H, Liang J, Zeng X, Qiu X. Relationship of urinary glyphosate concentrations with glycosylated hemoglobin and diabetes in US adults: a cross-sectional study. BMC Public Health 2024; 24:1644. [PMID: 38902690 PMCID: PMC11188266 DOI: 10.1186/s12889-024-19126-0] [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: 10/27/2023] [Accepted: 06/13/2024] [Indexed: 06/22/2024] Open
Abstract
BACKGROUND Glyphosate is a commonly used herbicide worldwide and is purportedly associated with multiple health effects. Research assessing the association of glyphosate concentrations with glycosylated hemoglobin (HbA1c) levels and the prevalence of diabetes is scarce. We sought to evaluate the association between urinary glyphosate levels and HbA1c levels and the prevalence of diabetes. METHODS A total of 2,745 adults in the National Health and Nutrition Examination Survey from 2013 to 2016 were included in this study. Generalized linear models (GLM) were applied to evaluate the associations of glyphosate concentrations with HbA1c levels and the prevalence of diabetes. The dose-response relationship was examined using restricted cubic splines (RCS). RESULTS Significantly positive correlations of urinary glyphosate concentrations with HbA1c levels (percentage change: 1.45; 95% CI: 0.95, 1.96; P < 0.001) and the prevalence of diabetes (OR: 1.45; 95% CI: 1.24, 1.68; P < 0.001) were found after adjustment. Compared with the lowest quartile of glyphosate levels, the highest quartile was positively associated with HbA1c levels (percentage change: 4.19; 95% CI: 2.54, 5.85; P < 0.001) and the prevalence of diabetes (OR: 1.89; 95% CI: 1.37, 2.63; P < 0.001). The RCS curves demonstrated a monotonically increasing dose-response relationship between urinary glyphosate levels and the prevalence of diabetes and HbA1c levels. CONCLUSIONS Urinary glyphosate concentrations are positively associated with HBA1c levels and the prevalence of diabetes. To verify our findings, additional large-scale prospective investigations are required.
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Affiliation(s)
- Peng Tang
- Department of Epidemiology, School of Public Health, Guangxi Medical University, No. 22 Shuangyong Road, Nanning , Guangxi, 530021, China
- Department of Maternal and Child Health, School of Public Health, Peking University, Beijing, 100191, China
| | - Yican Wang
- Chinese Center for Disease Control and Prevention, National Institute for Occupational Health and Poison Control, Beijing, 100050, China
| | - Qian Liao
- Department of Epidemiology, School of Public Health, Guangxi Medical University, No. 22 Shuangyong Road, Nanning , Guangxi, 530021, China
| | - Yong Zhou
- School of Public Health, Xiangnan University, Chenzhou, 423000, China
| | - Huishen Huang
- Department of Epidemiology, School of Public Health, Guangxi Medical University, No. 22 Shuangyong Road, Nanning , Guangxi, 530021, China
| | - Jun Liang
- Department of Epidemiology, School of Public Health, Guangxi Medical University, No. 22 Shuangyong Road, Nanning , Guangxi, 530021, China
| | - Xiaoyun Zeng
- Department of Epidemiology, School of Public Health, Guangxi Medical University, No. 22 Shuangyong Road, Nanning , Guangxi, 530021, China.
| | - Xiaoqiang Qiu
- Department of Epidemiology, School of Public Health, Guangxi Medical University, No. 22 Shuangyong Road, Nanning , Guangxi, 530021, China.
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26
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Jauregui-Zunzunegui S, Rodríguez-Artalejo F, Tellez-Plaza M, García-Esquinas E. Glyphosate exposure, muscular health and functional limitations in middle-aged and older adults. ENVIRONMENTAL RESEARCH 2024; 251:118547. [PMID: 38452917 DOI: 10.1016/j.envres.2024.118547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Revised: 02/19/2024] [Accepted: 02/22/2024] [Indexed: 03/09/2024]
Abstract
BACKGROUND Glyphosate is the most widely used herbicide worldwide, both in domestic and industrial settings. Experimental research in animal models has demonstrated changes in muscle physiology and reduced contractile strength associated with glyphosate exposure, while epidemiological studies have shown associations between glyphosate exposure and adverse health outcomes in critical biological systems affecting muscle function. METHODS This study used data from a nationally representative survey of the non-institutionalized U.S. general population (NHANES, n = 2132). Urine glyphosate concentrations were determined by ion chromatography with tandem mass spectrometry. Hand grip strength (HGS) was measured using a Takei Dynamometer, and relative strength estimated as the ratio between HGS in the dominant hand and the appendicular lean mass (ALM) to body mass index (ALMBMI) ratio. Low HGS and low relative HGS were defined as 1 sex-, age- and race-specific SD below the mean. Physical function limitations were identified as significant difficulty or incapacity in various activities. RESULTS In fully-adjusted models, the Mean Differences (MD) and 95% confidence intervals [95%CI] per doubling increase in glyphosate concentrations were -0.55 [-1.09, -0.01] kg for HGS in the dominant hand, and -0.90 [-1.58. -0.21] kg for HGS/ALMBMI. The Odds Ratios (OR) [95% CI] for low HGS, low relative HGS and functional limitations by glyphosate concentrations were 1.27 [1.03, 1.57] for low HGS; 1.43 [1.05; 1.94] for low relative HGS; 1.33 [1.08, 1.63] for stooping, crouching or kneeling difficulty; 1.17 [0.91, 1.50] for lifting or carrying items weighting up to 10 pounds difficulty; 1.21 [1.01, 1.40] for standing up from armless chair difficulty; and 1.47 [1.05, 2.29] for ascending ten steps without pause difficulty. CONCLUSIONS Glyphosate exposure may be a risk factor for decreased grip strength and increased physical functional limitations. More studies investigating the influence of this and other environmental pollutants on functional aging are needed.
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Affiliation(s)
- Sara Jauregui-Zunzunegui
- Department of Preventive Medicine and Public Health, Hospital Universitario Nuestra Señora de Candelaria, Spain.
| | - Fernando Rodríguez-Artalejo
- Department of Preventive Medicine and Public Health, Universidad Autónoma de Madrid, Madrid, Spain; CIBERESP (CIBER of Epidemiology and Public Health), Madrid, Spain; IMDEA-Food, CEI UAM+CSIC, Madrid, Spain.
| | - María Tellez-Plaza
- Department of Preventive Medicine and Public Health, Universidad Autónoma de Madrid, Madrid, Spain; Department of Chronic Diseases Epidemiology, National Center of Epidemiology, Carlos III Health Institute, Madrid, Spain.
| | - Esther García-Esquinas
- CIBERESP (CIBER of Epidemiology and Public Health), Madrid, Spain; Department of Chronic Diseases Epidemiology, National Center of Epidemiology, Carlos III Health Institute, Madrid, Spain.
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27
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Tao X, Mao Y, Alam S, Wang A, Qi X, Zheng S, Jiang C, Chen SY, Lu H. Sensitive fluorescence detection of glyphosate and glufosinate ammonium pesticides by purine-hydrazone-Cu 2+ complex. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 314:124226. [PMID: 38560950 DOI: 10.1016/j.saa.2024.124226] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2024] [Revised: 03/25/2024] [Accepted: 03/29/2024] [Indexed: 04/04/2024]
Abstract
Organophosphorus pesticides play an important role as broad-spectrum inactivating herbicides in agriculture. Developing a method for rapid and efficient organophosphorus pesticides detection is still urgent due to the increasing concern on food safety. An organo-probe (ZDA), synthesized by purine hydrazone derivative and 2,2'-dipyridylamine derivative, was applied in sensitive recognition of Cu2+ with detection limit of 300 nM. Mechanism study via density functional theory (DFT) and job's plot experiment revealed that ZDA and Cu2+ ions form a 1:2 complex quenching the fluorescence emission. Moreover, this fluorescent complex ZDA-Cu2+ was applicable for detecting glyphosate and glufosinate ammonium following fluorescence enhancement mechanism, with detection limits of 11.26 nM and 11.5 nM, respectively. Meanwhile, ZDA-Cu2+ was effective and sensitive when it is used for pesticide detection, reaching the maximum value and stabilizing in 1 min. Finally, the ZDA-Cu2+ probe could also be tolerated in cell assay environment, implying potential bio-application.
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Affiliation(s)
- Xuanzuo Tao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China
| | - Yanxia Mao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China
| | - Said Alam
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China
| | - Anguan Wang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China
| | - Xinyu Qi
- College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Shaojun Zheng
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China
| | - Chunhui Jiang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China.
| | - Shu-Yang Chen
- College of Chemistry and Pharmaceutical Engineering, Nanyang Normal University, Nanyang 473061, China.
| | - Hongfei Lu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212000, China.
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28
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Ma C, Gu G, Chen S, Shi X, Li Z, Li-Byarlay H, Bai L. Impact of chronic exposure to field level glyphosate on the food consumption, survival, gene expression, gut microbiota, and metabolomic profiles of honeybees. ENVIRONMENTAL RESEARCH 2024; 250:118509. [PMID: 38408628 DOI: 10.1016/j.envres.2024.118509] [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: 12/01/2023] [Revised: 01/25/2024] [Accepted: 02/15/2024] [Indexed: 02/28/2024]
Abstract
Glyphosate (GLY) is among the most widely used pesticides in the world. However, there are a lot of unknowns about chronic exposure to GLY's effects on Honeybee (HB) behavior and physiology. To address this, we carried out five experiments to study the impact of chronic exposure to 5 mg/kg GLY on sugar consumption, survival, gene expression, gut microbiota, and metabolites of HB workers. Our results find a significant decrease in sugar consumption and survival probability of HB after chronic exposure to GLY. Further, genes associated with immune response, energy metabolism, and longevity were conspicuously altered. In addition, a total of seven metabolites were found to be differentially expressed in the metabolomic profiles, mainly related the sucrose metabolism. There was no significant difference in the gut microbiota. Results suggest that chronic exposure to field-level GLY altered the health of HB and the intricate toxic mechanisms. Our data provided insights into the chronic effects of GLY on HB behavior in food intake and health, which represents the field conditions where HB are exposed to pesticides over extended periods.
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Affiliation(s)
- Changsheng Ma
- Longping Branch Graduate School, College of Biology, Hunan University, Changsha 410125, China; Key laboratory of Pesticide Assessment, Ministry of Agriculture and Rural Affairs, Hunan Academy of Agricultural Sciences, Changsha 410125, China
| | - Gaoying Gu
- Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Science, Kunming, Yunnan Province 650223, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Sihao Chen
- Department of Earth, Ocean and Ecological Sciences, School of Environmental Sciences, University of Liverpool, Liverpool L69 3BX, UK; Department of Health and Environmental Sciences, Xi'an-Jiaotong Liverpool University, Suzhou 215123, China
| | - Xiaoyu Shi
- Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China
| | - Zuren Li
- Key laboratory of Pesticide Assessment, Ministry of Agriculture and Rural Affairs, Hunan Academy of Agricultural Sciences, Changsha 410125, China.
| | - Hongmei Li-Byarlay
- Agricultural Research and Development Program, Central State University, Wilberforce, OH 45384, USA.
| | - Lianyang Bai
- Longping Branch Graduate School, College of Biology, Hunan University, Changsha 410125, China; Key laboratory of Pesticide Assessment, Ministry of Agriculture and Rural Affairs, Hunan Academy of Agricultural Sciences, Changsha 410125, China.
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29
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Abolarin PO, Owoyele BV. Tannic acid inhibits pain mediators, inflammation and oxidative stress in mice exposed to glyphosate-based herbicide. Environ Anal Health Toxicol 2024; 39:e2024019-0. [PMID: 39054833 PMCID: PMC11294660 DOI: 10.5620/eaht.2024019] [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: 03/17/2024] [Accepted: 05/17/2024] [Indexed: 07/27/2024] Open
Abstract
Chronic exposure to glyphosate-based herbicide (Gly) has been associated with neurological disorders. Tannic acid (TA) is an antioxidant with attenuating action against neuroinflammation-associated conditions. This study evaluated the effect of Gly on pain perception alongside antinociceptive and anti-inflammatory actions of TA in Gly-exposed mice. Male Swiss mice were randomly divided into six groups (n=8): control (distilled water 0.2 ml/kg), Gly (Gly 500 mg/kg), Pre-TA + Gly (TA 50 mg/kg pre-treatment, afterwards Gly-administered), TA + Gly (TA 50 mg/kg and Gly co-administered), Pre-AA + Gly (ascorbic acid (AA) 10 mg/kg pre-treatment, afterwards Gly-administered), and AA + Gly (AA 10 mg/kg and Gly co-administered). Mechanical, thermal, and chemical pain were evaluated six weeks post vehicle/drugs administrations orally, followed by brain biochemical measurements. TA treatment alleviated Gly-induced hyperalgesia in similar version to the values of control and AA groups by increasing significantly (p < 0.05) nociceptive thresholds. Moreover, TA-treatment significantly decreased malondialdehyde (MDA) and pro-inflammatory cytokines (TNF-α, IL-1β, and IL-6) levels, significantly increased anti-inflammatory cytokines (IL-10, IL-4, and TGF-1β) levels, and antioxidant enzymes, catalase (CAT), glutathione peroxidase (GPx), and superoxide dismutase (SOD) activities compared to Gly-treated mice (p < 0.05). Conclusively, TA treatment exerted antinociceptive and anti-inflammatory actions, possibly through its antioxidant and anti-inflammatory actions in Gly-exposed mice. Notably, TA pre-treatment showed a better response than TA and Gly co-administration. We propose the potential neuroprotective and ameliorative functions of TA in Gly-induced hyperalgesia. This merits further clinical research into protective roles of TA against pesticide-related conditions.
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Affiliation(s)
- Patrick Oluwole Abolarin
- Department of Physiology/Pharmacology, Chrisland University, College of Basic Medical Sciences, Abeokuta, Ogun state, Nigeria
- Department of Physiology, Neuroscience and Pain Laboratory, College of Health Sciences, University of Ilorin, Ilorin, Kwara state, Nigeria
| | - Bamidele Victor Owoyele
- Department of Physiology/Pharmacology, Chrisland University, College of Basic Medical Sciences, Abeokuta, Ogun state, Nigeria
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Dovolou E, Nanas I, Giannoulis T, Fytsilli A, Ntemka A, Anifandis G, Tsakmakidis I, Amiridis GS. The effects of a glyphosate-based herbicide on the bovine gametes during an in vitro embryo production model. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 350:123967. [PMID: 38631452 DOI: 10.1016/j.envpol.2024.123967] [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: 02/23/2024] [Revised: 03/19/2024] [Accepted: 04/10/2024] [Indexed: 04/19/2024]
Abstract
Roundup® (R), while it is the most used herbicide globally, and its residues are ubiquitous in urban and suburban areas, its impact on vertebrates' safety remains highly debated. Here, in three in vitro experiments, we investigated the effects of a very low dose (1 ppm) of R on the fertilization capacity and embryo development in cattle. In the first experiment, frozen-thawed bull semen exposed to R for 1 h exhibited reduced motility parameters but unaffected fertilization ability. However, after in vitro fertilization, the rates of embryo formation were significantly lower compared to the untreated controls. In the second experiment, oocytes exposed to R during in vitro maturation showed reduced cleavage rates, and the embryo yield on days 7, 8, and 9 of embryo culture was significantly lower than that of the controls. In the third experiment, oocytes were matured in the presence of R and in a medium containing both R and Zinc, chosen to offer antioxidant protection to the oocytes. Day-7 blastocysts were analyzed for the expression of genes associated with oxidative stress, apoptosis, and epigenetic reprogramming. Exposure to R markedly suppressed embryo formation rates compared to the controls. The combination of R with Zinc restored the blastocyst yield, which on days 8 and 9 was comparable to that of the controls and higher than the groups exposed only to R on all days. The gene expression analysis revealed that R promotes oxidative stress development, triggers apoptosis, and induces epigenetic changes in developing embryos, while zinc presence alleviates these adverse effects of R. These findings imply that even at very low doses, R could be highly toxic, leading to functional abnormalities in both gametes, potentially affecting fertility in both genders.
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Affiliation(s)
- E Dovolou
- Department of Animal Science, University of Thessaly, Larissa, Greece.
| | - I Nanas
- Department of Obstetrics & Reproduction, Faculty of Veterinary Science, University of Thessaly, Karditsa, Greece
| | - T Giannoulis
- Department of Animal Science, University of Thessaly, Larissa, Greece
| | - A Fytsilli
- Department of Biochemistry & Biotechnology, Laboratory of Genetics, Comparative and Evolutionary Biology, Larissa, Greece
| | - A Ntemka
- Department of Animal Science, University of Thessaly, Larissa, Greece; Clinic of Farm Animals, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - G Anifandis
- Department of Obstetrics and Gynaecology, ART Unit, Faculty of Medicine, University of Thessaly, Larissa, Greece
| | - I Tsakmakidis
- Clinic of Farm Animals, Faculty of Veterinary Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - G S Amiridis
- Department of Obstetrics & Reproduction, Faculty of Veterinary Science, University of Thessaly, Karditsa, Greece
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Liang Z, Sun X, Guo R, Wang H, Tian Y, Wang Y, Liu Y, Liu S. Association between glyphosate exposure and osteoarthritis in US adults: Especially in people who are obese and inactive in leisure time physical activity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 927:172008. [PMID: 38547993 DOI: 10.1016/j.scitotenv.2024.172008] [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: 12/10/2023] [Revised: 03/16/2024] [Accepted: 03/25/2024] [Indexed: 04/09/2024]
Abstract
OBJECTIVE Little has been known on the effect of chronic glyphosate exposure on osteoarthritis (OA). The aim of this study was to investigate the association between glyphosate exposure and OA and to further investigate the different moderating effects of leisure time physical activity (LTPA) and body mass index (BMI) types on the association between glyphosate exposure and OA. METHODS Cross-sectional data from 2540 participants in the 2015-2018 National Health and Nutrition Examination Survey (NHANES) were used to explore the association between glyphosate exposure and OA. Multivariate logistic regression models and restricted cubic spline models were used to investigate the association between glyphosate exposure and OA, and further analyses were conducted to determine the association between glyphosate exposure and OA under different LTPA and BMI types. RESULTS Of the 2540 participants, 346 had OA. Participants with the highest glyphosate concentration (Q4) had a higher incidence of OA compared to participants with the lowest glyphosate concentration (Q1) (OR, 1.88; 95 % confidence interval [CI]: 1.13, 3.13), there was no nonlinear association between glyphosate and OA (non-linear P = 0.343). In the no LTPA group, glyphosate concentration in the Q4 group was correlated with OA (OR, 2.65; 95%CI: 1.27, 5.51). In the obese group, glyphosate concentration in the Q4 group was correlated with OA (OR, 2.74; 95 % CI: 1.48, 5.07). Among people with high BMI and inactive in LTPA, glyphosate concentrations in Q4 were associated with OA (OR, 2.19; 95 % CI: 1.07, 4.48). CONCLUSIONS Glyphosate is associated with OA odd, and physical activity and moderate weight loss can mitigate this association to some degree. This study provides a scientific basis for rational prevention of OA by regulation of LTPA and BMI under glyphosate exposure.
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Affiliation(s)
- Zhuoshuai Liang
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Xiaoyue Sun
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Ruifang Guo
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Hongwei Wang
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Yuyang Tian
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Yujian Wang
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China
| | - Yawen Liu
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China.
| | - Siyu Liu
- Department of Epidemiology and Biostatistics, School of Public Health of Jilin University, Changchun 130021, China.
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Lin X, Chen T, Hu J, Mao X, Liu M, Zeng R, Zhong Q, Chen W. Construction of a novel fluorescent probe for sensitive determination of glyphosate in food and imaging living cells. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:3364-3371. [PMID: 38742948 DOI: 10.1039/d4ay00380b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2024]
Abstract
Glyphosate is a widely used broad-spectrum herbicide in agriculture and horticulture to control a variety of weeds and undesirable plants. However, the excessive use of glyphosate has raised a number of environmental and human health concerns. It is urgent to develop tools to detect glyphosate. Herein, a novel dual-signal probe CCU-Cu2+ was designed and synthesized on the basis of CCU. CCU exhibited excellent selectivity and great sensitivity for Cu2+ which were based on both fluorescence "turn-off" reaction and comparative color visualisation methods. Due to the strong chelating ability of glyphosate on Cu2+, the CCU-Cu2+ complex was applied to glyphosate detection in practical samples. The experimental results in vitro showed that the CCU-Cu2+ complex was highly selective and rapid, with a low detection limit (1.6 μM), and could be recognised by the naked eye in the detection of glyphosate. Based on the excellent properties of the CCU-Cu2+ complex, we also constructed a smartphone-assisted detection sensing system for glyphosate detection, which has the advantages of precision, sensitivity, and high interference immunity. Moreover, the CCU-Cu2+ complex was also successfully employed for exogenous glyphosate imaging in living cells. These characteristics demonstrated that CCU-Cu2+ holds significant potential for detection and imaging of glyphosate in bio-systems.
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Affiliation(s)
- Xiaoping Lin
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Taiyi Chen
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Jiayun Hu
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Xiaoqiong Mao
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Mengqing Liu
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Rongying Zeng
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Qingmei Zhong
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
| | - Wen Chen
- Hunan Engineering Research Center for Monitoring and Treatment of Heavy Metal Pollution in the Upper Reaches of Xiangjiang River, College of Chemistry and Material Science, Hengyang Normal University, Hengyang, 421001, P. R. China.
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de Morais Valentim JMB, Coradi C, Viana NP, Fagundes TR, Micheletti PL, Gaboardi SC, Fadel B, Pizzatti L, Candiotto LZP, Panis C. Glyphosate as a Food Contaminant: Main Sources, Detection Levels, and Implications for Human and Public Health. Foods 2024; 13:1697. [PMID: 38890925 PMCID: PMC11171990 DOI: 10.3390/foods13111697] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/20/2024] [Accepted: 05/22/2024] [Indexed: 06/20/2024] Open
Abstract
Glyphosate is a broad-spectrum pesticide that has become the most widely used herbicide globally. However, concerns have risen regarding its potential health impacts due to food contamination. Studies have detected glyphosate in human blood and urine samples, indicating human exposure and its persistence in the organism. A growing body of literature has reported the health risks concerning glyphosate exposure, suggesting that the daily intake of contaminated food and water poses a public health concern. Furthermore, countries with high glyphosate usage and lenient regulations regarding food and water contamination may face more severe consequences. In this context, in this review, we examined the literature regarding food contamination by glyphosate, discussed its detection methods, and highlighted its risks to human health.
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Affiliation(s)
| | - Carolina Coradi
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Natália Prudêncio Viana
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Tatiane Renata Fagundes
- Department of Biological Sciences, Universidade Estadual do Norte do Paraná (UENP), Bandeirantes 86360-000, Brazil;
| | - Pâmela Lonardoni Micheletti
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Shaiane Carla Gaboardi
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
- Instituto Federal Catarinense, Blumenau 89070-270, Brazil
| | - Bruna Fadel
- Laboratório de Biologia Molecular e Proteômica do Sangue, Instituto de Química, Universidade Federal do Rio de Janeiro (IQ-UFRJ), Rio de Janeiro 21941-909, Brazil; (B.F.); (L.P.)
| | - Luciana Pizzatti
- Laboratório de Biologia Molecular e Proteômica do Sangue, Instituto de Química, Universidade Federal do Rio de Janeiro (IQ-UFRJ), Rio de Janeiro 21941-909, Brazil; (B.F.); (L.P.)
| | - Luciano Zanetti Pessoa Candiotto
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
| | - Carolina Panis
- Department of Pathological Sciences, Universidade Estadual de Londrina (UEL), Londrina 86057-970, Brazil;
- Center of Health Sciences, Universidade Estadual do Oeste do Paraná (UNIOESTE), Francisco Beltrão 85605-010, Brazil; (C.C.); (N.P.V.); (P.L.M.); (S.C.G.); (L.Z.P.C.)
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Weng RC, Tsou MC, Lee JL, Tseng CM, Huang YF, Xiao YL, Lu YP, Chou WC, Chang RF, Chuang CY. Development of a rapid aptamer-chemiluminescence sensor for detecting glyphosate pesticide residue in soybeans. Talanta 2024; 272:125741. [PMID: 38359718 DOI: 10.1016/j.talanta.2024.125741] [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: 08/17/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 02/17/2024]
Abstract
Glyphosate (GLY) is a widely used herbicide worldwide, particularly in cultivating genetically modified soybeans resistant to GLY. However, routine multi-residue analysis does not include GLY due to the complexity of soybean matrix components that can interfere with the analysis. This study presented the development of an aptamer-based chemiluminescence (Apt-CL) sensor for rapidly screening GLY pesticide residue in soybeans. The GLY-binding aptamer (GBA) was developed to bind to GLY specifically, and the remaining unbound aptamers were adsorbed onto gold nanoparticles (AuNPs). The signal was in the form of luminol-H2O2 emission, catalyzed by the aggregation of AuNPs in a chemiluminescent reaction arising from the GLY-GBA complex. The outcomes demonstrated a robust linear relationship between the CL intensity of GLY-GBA and the GLY concentration. In the specificity test of the GBA, only GLY and Profenofos were distinguished among the fifteen tested pesticides. Furthermore, the Apt-CL sensor was conducted to determine GLY residue in organic soybeans immersed in GLY as a real sample, and an optimal linear concentration range for detection after extraction was found to be between 0.001 and 10 mg/L. The Apt-CL sensor exploits the feasibility of real-time pesticide screening in food safety.
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Affiliation(s)
- Rui-Cian Weng
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan
| | - Min-Cheng Tsou
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Jyun-Lin Lee
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Chao-Ming Tseng
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan; Residue Control Division, Agricultural Chemicals and Toxic Substances Research Institute, Council of Agriculture, Executive Yuan, Taichung, Taiwan
| | - Yu-Fen Huang
- Institute of Analytical and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Yu-Lin Xiao
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Yen-Pei Lu
- Instrument Research Institute, National Applied Research Laboratories, Hsinchu, Taiwan
| | - Wei-Chun Chou
- Department of Environmental Sciences, College of Natural and Agricultural Sciences, University of California, Riverside, CA, United States
| | - Ruey-Feng Chang
- Graduate Institute of Biomedical Electronics and Bioinformatics, National Taiwan University, Taipei, Taiwan; Department of Computer Science and Information Engineering, National Taiwan University, Taipei, Taiwan.
| | - Chun-Yu Chuang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
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Chaiklieng S, Uengchuen K, Gissawong N, Srijaranai S, Autrup H. Biological Monitoring of Glyphosate Exposure among Knapsack Sprayers in Khon Kaen, Thailand. TOXICS 2024; 12:337. [PMID: 38787116 PMCID: PMC11125926 DOI: 10.3390/toxics12050337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 04/19/2024] [Accepted: 04/30/2024] [Indexed: 05/25/2024]
Abstract
Sprayers' exposure to glyphosate was analyzed through detection of its biomarker in spot urine biological monitoring, and the health risk was assessed using the biomatrix model. Urine samples were collected from 15 sprayers after spraying, and the glyphosate concentration was determined by using the DLLME-HPLC method with a UV detector. The calibration curve for glyphosate was linear in the range of 0.4-100 µg/L, while the limits of detection and quantification were 0.1 µg/L and 0.4 µg/L, respectively. The human health risk was estimated using the hazard quotient (HQ) and the biomatrix of risk assessment. The internal dose ranged from 0.0001 to 0.0021 mg/kg b.w./day. The non-cancer HQ showed no potential health risk concerns (HQ < 1). The biomatrix of health risk assessment, based on urinary glyphosate concentration, exhibited a strong correlation with the health risk matrix model. This correlation was determined by considering the likelihood of exposure, calculated from the quantity of glyphosate used and the usage of personal protective equipment (r = 0.854, p < 0.001). Although low risk was observed in sprayers, proper PPE use and the application of more knowledge are required. The simplified health risk assessment can be used for easy self-assessment of risk in preventive action regarding health risk awareness among sprayers.
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Affiliation(s)
- Sunisa Chaiklieng
- Department of Occupational Safety and Environmental Health, Faculty of Public Health, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Kodchakorn Uengchuen
- Program in M.Sc. Occupational Health and Safety, Faculty of Public Health, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Netsirin Gissawong
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Supalax Srijaranai
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Herman Autrup
- Institute of Public Health, Aarhus University, 8000 Aarhus, Denmark
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Masci M, Caproni R, Nevigato T. Chromatographic Methods for the Determination of Glyphosate in Cereals Together with a Discussion of Its Occurrence, Accumulation, Fate, Degradation, and Regulatory Status. Methods Protoc 2024; 7:38. [PMID: 38804332 PMCID: PMC11130892 DOI: 10.3390/mps7030038] [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: 03/14/2024] [Revised: 04/19/2024] [Accepted: 04/29/2024] [Indexed: 05/29/2024] Open
Abstract
The European Union's recent decision to renew the authorization for the use of glyphosate until 15 December 2033 has stimulated scientific discussion all around the world regarding its toxicity or otherwise for humans. Glyphosate is a chemical of which millions of tons have been used in the last 50 years worldwide to dry out weeds in cultivated fields and greenhouses and on roadsides. Concern has been raised in many areas about its possible presence in the food chain and its consequent adverse effects on health. Both aspects that argue in favor of toxicity and those that instead may indicate limited toxicity of glyphosate are discussed here. The widespread debate that has been generated requires further investigations and field measurements to understand glyphosate's fate once dispersed in the environment and its concentration in the food chain. Hence, there is a need for validated analytical methods that are available to analysts in the field. In the present review, methods for the analytical determination of glyphosate and its main metabolite, AMPA, are discussed, with a specific focus on chromatographic techniques applied to cereal products. The experimental procedures are explained in detail, including the cleanup, derivatization, and instrumental conditions, to give the laboratories involved enough information to proceed with the implementation of this line of analysis. The prevalent chromatographic methods used are LC-MS/MS, GC-MS/SIM, and GC-MS/MS, but sufficient indications are also given to those laboratories that wish to use the better performing high-resolution MS or the simpler HPLC-FLD, HPLC-UV, GC-NPD, and GC-FPD techniques for screening purposes. The concentrations of glyphosate from the literature measured in wheat, corn, barley, rye, oats, soybean, and cereal-based foods are reported, together with its regulatory status in various parts of the world and its accumulation mechanism. As for its accumulation in cereals, the available data show that glyphosate tends to accumulate more in wholemeal flours than in refined ones, that its concentration in the product strictly depends on the treatment period (the closer it is to the time of harvesting, the higher the concentration), and that in cold climates, the herbicide tends to persist in the soil for a long time.
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Affiliation(s)
- Maurizio Masci
- Council for Agricultural Research and Economics (CREA), Research Centre for Food and Nutrition, via Ardeatina 546, 00178 Rome, Italy (T.N.)
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Nezzi L, Davico CE, Schramm H, de Melo MS, Nazari EM. Assessing testicular morphofunctionality under Roundup WG® herbicide exposure in zebrafish. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:36958-36970. [PMID: 38758439 DOI: 10.1007/s11356-024-33626-x] [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: 02/01/2024] [Accepted: 05/06/2024] [Indexed: 05/18/2024]
Abstract
Glyphosate-based herbicides, like Roundup WG® (RWG) used for a range of crops, such as corn, soybean, coffee, sugarcane, rice, apple, and citrus, can reach aquatic ecosystems and impact non-target organisms like fish. Thus, the fish were exposed to three RWG concentrations plus one negative control, which represents the concentration allowed for inland Brazilian waters and concentrations found in surface water worldwide (0.0, 0.065, 0.65, and 6.5 mg a.i./L) for 7 and 15 days. Morphological analysis revealed significant alterations in the testicular structure, particularly in Sertoli cell extensions and cytoplasmic bridges between germ cells. Subcellular compartments also displayed alterations, including dilated mitochondria and the loss of electron density and autophagic vesicles. Gene transcript levels related to autophagy and steroidogenic regulation were upregulated in exposed fish. Germ cell quality was also affected, increasing ROS (reactive oxygen species) production and DNA fragmentation. The study highlighted the RWG reproductive toxicity, providing valuable insights into understanding the morphofunctional alterations in somatic and germ cells of Danio rerio. In conclusion, the environmental relevant concentrations used in this study were toxic to male somatic and germ cells, which raises a concern about the concentrations considered safe for human and animal use.
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Affiliation(s)
- Luciane Nezzi
- Departamento de Biologia Celular, Embriologia e Genética, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, Brazil
| | - Carla Eliana Davico
- Departamento de Biologia Celular, Embriologia e Genética, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, Brazil
| | - Heloísa Schramm
- Departamento de Biologia Celular, Embriologia e Genética, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, Brazil
| | - Madson Silveira de Melo
- Departamento de Biologia Celular, Embriologia e Genética, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, Brazil
| | - Evelise Maria Nazari
- Departamento de Biologia Celular, Embriologia e Genética, Universidade Federal de Santa Catarina, Florianópolis, 88040-900, Brazil.
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Quaglia G, Joris I, Desmet N, Koopmans K, Nelissen V, Boënne W, Stamm C, Seuntjens P, Van De Vijver E. Mitigating glyphosate levels in surface waters: Long-term assessment in an agricultural catchment in Belgium. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 359:121046. [PMID: 38728981 DOI: 10.1016/j.jenvman.2024.121046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Revised: 03/27/2024] [Accepted: 04/28/2024] [Indexed: 05/12/2024]
Abstract
The increasing concern over pesticide pollution in water bodies underscores the need for effective mitigation strategies to support the transition towards sustainable agriculture. This study assesses the effectiveness of landscape mitigation strategies, specifically vegetative buffer strips, in reducing glyphosate loads at the catchment scale under realistic conditions. Conducted over six years (2014-2019) in a small agricultural region in Belgium, our research involved the analysis of 732 water samples from two monitoring stations, differentiated by baseflow and event-driven sampling, and before (baseline) and after the implementation of mitigation measures. The results indicated a decline in both the number and intensity of point source losses over the years. Additionally, there was a general decrease in load intensity; however, the confluence of varying weather conditions (notably dry years during the mitigation period) and management practices (the introduction of buffer strips) posed challenges for a statistically robust evaluation of each contributing factor. A reduction of loads was measured when comparing mitigation with baseline, although this reduction is not statistically significant. Glyphosate loads during rainfall events correlated with a rainfall index and runoff ratio. Overall, focusing the mitigation strategy on runoff and erosion was a valid approach. Nevertheless, challenges remain, as evidenced by the continuous presence of glyphosate in baseflow conditions, highlighting the complex dynamics of pesticide transport. The study concludes that while progress has been made towards reducing pesticide pollution, the complexity of interacting factors necessitates further research. Future directions should focus on enhancing farmer engagement in mitigation programs and developing experiments with more intense data collection that help to assess underlying dynamics of pesticide pollution and the impact of mitigation strategies in more detail, contributing towards the goal of reducing pesticide pollution in water bodies.
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Affiliation(s)
- Gisela Quaglia
- VITO, Flemish Institute for Technological Research, Belgium; Ghent University, Department of Environment, Belgium.
| | - Ingeborg Joris
- VITO, Flemish Institute for Technological Research, Belgium
| | - Nele Desmet
- VITO, Flemish Institute for Technological Research, Belgium
| | | | | | - Wesley Boënne
- VITO, Flemish Institute for Technological Research, Belgium
| | - Christian Stamm
- Eawag, Swiss Federal Institute of Aquatic Science and Technology, Switzerland
| | - Piet Seuntjens
- VITO, Flemish Institute for Technological Research, Belgium; University of Antwerp, Institute for Environment and Sustainable Development, Belgium
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Dzul-Caamal R, Vega-López A, Osten JRV. Integrated evaluation of the biological response of the earthworm Eisenia fetida using two glyphosate exposure strategies: soil enriched and soils collected from crops in Southeastern Mexico. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:32152-32167. [PMID: 38648003 DOI: 10.1007/s11356-024-33348-0] [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: 06/08/2023] [Accepted: 04/12/2024] [Indexed: 04/25/2024]
Abstract
Under laboratory conditions, the toxicological effects of pesticides tend to be less variable and realistic than under field conditions, limiting their usefulness in environmental risk assessment. In the current study, the earthworm Eisenia fetida was selected as a bioindicator for assessing glyphosate toxic effects in two different trials to solve this dilemma. In Trial 1, the worms were exposed for 7 and 14 days to concentrations of a commercial glyphosate formulation (1 to 500 mg a.i. kg-1) currently used in the field. In Trial 2, the worms were kept in nine soils collected from different plots with crops for 14 days of exposure. In both experiments, glutathione S-transferase (GST), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), and acetylcholinesterase (AChE) activities and contents of lipid peroxidation (LPO) were evaluated. In T1, the glyphosate formulation produced a 40% inhibition of AChE activity and a significant increase in GST, SOD, CAT, and GPx activities and LPO contents in E. fetida on day 7. In T2, higher concentrations of glyphosate were detected in the soils of soybean, papaya, and corn (0.92, 0.87, and 0.85 mg kg-1), which induced a positive correlation between the levels of glyphosate residues with GST, SOD, CAT, GPx, and LPO and a negative correlation with AChE. These findings indicate that crop soils polluted with glyphosate elicited higher oxidative stress than under laboratory conditions, confirmed by IBRv2, PCA, and AHC analyses.
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Affiliation(s)
- Ricardo Dzul-Caamal
- Instituto EPOMEX, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070. San Francisco de Campeche, Campeche, México
| | - Armando Vega-López
- Instituto Politécnico Nacional, Escuela Nacional de Ciencias Biológicas, Laboratorio de Toxicología Ambiental. Av. Wilfrido Massieu S/N, Unidad Profesional Zacatenco, 07320, Mexico City, CP, Mexico
| | - Jaime Rendón-von Osten
- Instituto EPOMEX, Universidad Autónoma de Campeche, Av. Héroe de Nacozari No. 480, 24070. San Francisco de Campeche, Campeche, México.
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Chang VC, Ospina M, Xie S, Andreotti G, Parks CG, Liu D, Madrigal JM, Ward MH, Rothman N, Silverman DT, Sandler DP, Friesen MC, Beane Freeman LE, Calafat AM, Hofmann JN. Urinary biomonitoring of glyphosate exposure among male farmers and nonfarmers in the Biomarkers of Exposure and Effect in Agriculture (BEEA) study. ENVIRONMENT INTERNATIONAL 2024; 187:108644. [PMID: 38636272 DOI: 10.1016/j.envint.2024.108644] [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: 02/01/2024] [Revised: 04/04/2024] [Accepted: 04/08/2024] [Indexed: 04/20/2024]
Abstract
Glyphosate is the most widely applied herbicide worldwide. Glyphosate biomonitoring data are limited for agricultural settings. We measured urinary glyphosate concentrations and assessed exposure determinants in the Biomarkers of Exposure and Effect in Agriculture (BEEA) study. We selected four groups of BEEA participants based on self-reported pesticide exposure: recently exposed farmers with occupational glyphosate use in the last 7 days (n = 98), farmers with high lifetime glyphosate use (>80th percentile) but no use in the last 7 days (n = 70), farming controls with minimal lifetime use (n = 100), and nonfarming controls with no occupational pesticide exposures and no recent home/garden glyphosate use (n = 100). Glyphosate was quantified in first morning void urine using ion chromatography isotope-dilution tandem mass spectrometry. We estimated associations between urinary glyphosate concentrations and potential determinants using multivariable linear regression. Glyphosate was detected (≥0.2 µg/L) in urine of most farmers with recent (91 %) and high lifetime (93 %) use, as well as farming (88 %) and nonfarming (81 %) controls; geometric mean concentrations were 0.89, 0.59, 0.46, and 0.39 µg/L (0.79, 0.51, 0.42, and 0.37 µg/g creatinine), respectively. Compared with both control groups, urinary glyphosate concentrations were significantly elevated among recently exposed farmers (P < 0.0001), particularly those who used glyphosate in the previous day [vs. nonfarming controls; geometric mean ratio (GMR) = 5.46; 95 % confidence interval (CI): 3.75, 7.93]. Concentrations among high lifetime exposed farmers were also elevated (P < 0.01 vs. nonfarming controls). Among recently exposed farmers, glyphosate concentrations were higher among those not wearing gloves when applying glyphosate (GMR = 1.91; 95 % CI: 1.17, 3.11), not wearing long-sleeved shirts when mixing/loading glyphosate (GMR = 2.00; 95 % CI: 1.04, 3.86), applying glyphosate exclusively using broadcast/boom sprayers (vs. hand sprayer only; GMR = 1.70; 95 % CI: 1.00, 2.92), and applying glyphosate to crops (vs. non-crop; GMR = 1.72; 95 % CI: 1.04, 2.84). Both farmers and nonfarmers are exposed to glyphosate, with recency of occupational glyphosate use being the strongest determinant of urinary glyphosate concentrations. Continued biomonitoring of glyphosate in various settings is warranted.
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Affiliation(s)
- Vicky C Chang
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.
| | - Maria Ospina
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Shuai Xie
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Gabriella Andreotti
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Christine G Parks
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA
| | - Danping Liu
- Biostatistics Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Jessica M Madrigal
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Mary H Ward
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Nathaniel Rothman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Debra T Silverman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Dale P Sandler
- Epidemiology Branch, National Institute of Environmental Health Sciences, National Institutes of Health, Durham, NC, USA
| | - Melissa C Friesen
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Laura E Beane Freeman
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
| | - Antonia M Calafat
- Division of Laboratory Sciences, National Center for Environmental Health, Centers for Disease Control and Prevention, Atlanta, GA, USA
| | - Jonathan N Hofmann
- Occupational and Environmental Epidemiology Branch, Division of Cancer Epidemiology and Genetics, National Cancer Institute, National Institutes of Health, Bethesda, MD, USA
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Ren YL, Liang Q, Lian CY, Zhang W, Wang L. Melatonin alleviates glyphosate-induced testosterone synthesis inhibition via targeting mitochondrial function in roosters. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 348:123828. [PMID: 38522604 DOI: 10.1016/j.envpol.2024.123828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 12/06/2023] [Accepted: 03/18/2024] [Indexed: 03/26/2024]
Abstract
Glyphosate (GLY) is a widely used herbicide that has been revealed to inhibit testosterone synthesis in humans and animals. Melatonin (MET) is an endogenous hormone that has been demonstrated to promote mammalian testosterone synthesis via protecting mitochondrial function. However, it remains unclear whether MET targets mitochondria to alleviate GLY-inhibited testosterone synthesis in avian. In this study, an avian model using 7-day-old rooster upon chronic exposure to GLY with the treatment of MET was designed to clarify this issue. Data first showed that GLY-induced testicular Leydig cell damage, structural damage of the seminiferous tubule, and sperm quality decrease were mitigated by MET. Transcriptomic analyses of the testicular tissues revealed the potentially critical role of mitophagy and steroid hormone biosynthesis in the process of MET counteracting GLY-induced testicular damage. Also, validation data demonstrated that the inhibition of testosterone synthesis due to GLY-induced mitochondrial dynamic imbalance and concomitant Parkin-dependent mitophagy activation is alleviated by MET. Moreover, GLY-induced oxidative stress in serum and testicular tissue were significantly reversed by MET. In summary, these findings demonstrate that MET effectively ameliorates GLY-inhibited testosterone synthesis by inhibiting mitophagy activation, which provides a promising remedy for the application of MET as a potential therapeutic agent to antagonize reproductive toxicity induced by GLY and similar contaminants.
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Affiliation(s)
- Yu-Long Ren
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
| | - Qing Liang
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
| | - Cai-Yu Lian
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
| | - Wei Zhang
- Yantai Academy of Agricultural Sciences, Yan'tai City 265500, Shandong Province, China.
| | - Lin Wang
- College of Animal Science and Veterinary Medicine, Shandong Provincial Key Laboratory of Animal Biotechnology and Disease Control and Prevention, Shandong Provincial Engineering Technology Research Center of Animal Disease Control and Prevention, Shandong Agricultural University, 61 Daizong Street, Tai'an City, Shandong Province, 271018, China.
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42
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Evalen PS, Barnhardt EN, Ryu J, Stahlschmidt ZR. Toxicity of glyphosate to animals: A meta-analytical approach. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 347:123669. [PMID: 38460584 DOI: 10.1016/j.envpol.2024.123669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/10/2024] [Accepted: 02/26/2024] [Indexed: 03/11/2024]
Abstract
Glyphosate (GLY)-based herbicides (GBHs) are the most commonly applied pesticide worldwide, and non-target organisms (e.g., animals) are now regularly exposed to GLY and GBHs due to the accumulation of these chemicals in many environments. Although GLY/GBH was previously considered to be non-toxic, growing evidence indicates that GLY/GBH negatively affects some animal taxa. However, there has been no systematic analysis quantifying its toxicity to animals. Therefore, we used a meta-analytical approach to determine whether there is a demonstrable effect of GLY/GBH toxicity across animals. We further addressed whether the effects of GLY/GBH vary due to (1) taxon (invertebrate vs. vertebrate), (2) habitat (aquatic vs. terrestrial), (3) type of biological response (behavior vs. physiology vs. survival), and (4) dosage or concentration of GLY/GBH. Using this approach, we also determined whether adjuvants (e.g., surfactants) in commercial formulations of GBHs increased toxicity for animals relative to exposure to GLY alone. We analyzed 1282 observations from 121 articles. We conclude that GLY is generally sub-lethally toxic for animals, particularly for animals in aquatic or marine habitats, and that toxicity did not exhibit dose-dependency. Yet, our analyses detected evidence for widespread publication bias so we encourage continued experimental investigations to better understand factors influencing GLY/GBH toxicity to animals.
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Affiliation(s)
- P S Evalen
- University of the Pacific, Stockton, CA, USA; University of Pennsylvania, Philadelphia, PA, USA
| | | | - J Ryu
- University of the Pacific, Stockton, CA, USA
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43
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Sun X, Zhang H, Huang X, Yang D, Wu C, Liu H, Zhang L. Associations of glyphosate exposure and serum sex steroid hormones among 6-19-year-old children and adolescents. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2024; 275:116266. [PMID: 38564862 DOI: 10.1016/j.ecoenv.2024.116266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 03/16/2024] [Accepted: 03/26/2024] [Indexed: 04/04/2024]
Abstract
Glyphosate, ranked as one of the most widely used herbicides in the world, has raised concerns about its potential disruptive effects on sex hormones. However, limited human evidence was available, especially for children and adolescents. The present study aimed to examine the associations between exposure to glyphosate and sex hormones among participants aged 6-19 years, utilizing data from the National Health and Nutrition Examination Survey (NHANES) conducted between 2013 and 2016. Children and adolescents who had available data on urinary glyphosate, serum sex steroid hormones, including testosterone (TT), estradiol (E2) and sex hormone binding globulin (SHBG), and covariates were selected. Additionally, the ratio of TT to E2 (TT/E2) and the free androgen index (FAI), which was calculated using TT/SHBG, were also included as sex hormone indicators. Survey regression statistical modeling was used to examine the associations between urinary glyphosate concentration and sex hormone indicators by age and sex group. Among the 964 participants, 83.71% had been exposed to glyphosate (>lower limit of detection). The survey regression revealed a marginally negative association between urinary glyphosate and E2 in the overall population, while this association was more pronounced in adolescents with a significant trend. In further sex-stratified analyses among adolescents, a significant decrease in E2, FAI, and TT (p trend <0.05) was observed in female adolescents for the highest quartile of urinary glyphosate compared to the lowest quartile. However, no similar association was observed among male adolescents. Our findings suggest that exposure to glyphosate at the current level may decrease the levels of sex steroids in adolescents, particularly female adolescents. Considering the cross-sectional study design, further research is needed to confirm our findings.
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Affiliation(s)
- Xiaojie Sun
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Wuhan University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China; Key Laboratory of Environment and Health, Ministry of Education and Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Huan Zhang
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Wuhan University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Xiaojing Huang
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Wuhan University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Di Yang
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Wuhan University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Chuansha Wu
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Wuhan University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China
| | - Hongxiu Liu
- Key Laboratory of Environment and Health, Ministry of Education and Ministry of Environmental Protection, and State Key Laboratory of Environmental Health (Incubation), School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ling Zhang
- Department of Environmental Hygiene and Occupational Medicine, School of Public Health, Wuhan University of Science and Technology, Wuhan, China; Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, China.
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de Graaf L, Bresson M, Boulanger M, Bureau M, Lecluse Y, Lebailly P, Baldi I. Pesticide exposure in greenspaces: Comparing field measurement of dermal contamination with values predicted by registration models. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 919:170816. [PMID: 38346656 DOI: 10.1016/j.scitotenv.2024.170816] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2023] [Revised: 02/02/2024] [Accepted: 02/06/2024] [Indexed: 02/17/2024]
Abstract
Since 2014, the Agricultural Operator Exposure Model (AOEM) has been the harmonised European model used for estimating non-dietary operator exposure to pesticide. It is based on studies conducted by the pesticide companies and it features 13 different crops including non-agricultural areas such as amenity grasslands. The objective of this study was to compare the dermal exposure measured during a field study conducted in a non-agricultural area with the corresponding values estimated by the model AOEM. The non-controlled field study was conducted in France in 2011 and included 24 private and public gardeners who apply glyphosate with knapsack sprayers. Dermal exposure was measured using the whole-body method and cotton gloves. Each measured value had an estimated value given by AOEM and we tested their correlation using linear regression. The model overestimated body exposure for all observations and there was no correlation between values. However, it underestimated hand exposure by 42 times and it systematically underestimated the exposure when the operators were wearing gloves, especially during the application. The model failed at being conservative regarding hand exposure and highly overestimated the protection afforded by the gloves. At a time of glyphosate renewed approval in Europe, non-controlled field studies conducted by academics are needed to improve AOEM model, especially in the non-agricultural sector. Indeed, among the 34 studies included in the model, none were conducted on a non-agricultural area and only four assessed the exposure when using a knapsack sprayer. Moreover, knapsack sprayers being the main equipment used worldwide in both agricultural and non-agricultural settings, it is also crucial to integrate new data specific to this equipment in the model. Operator exposure should be estimated with accuracy in the registration process of pesticides to ensure proper safety as well as in epidemiological studies to improve exposure assessment.
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Affiliation(s)
- L de Graaf
- Univ. Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France.
| | - M Bresson
- INSERM, UMR1086-Cancers et Préventions, Centre François Baclesse, Caen, France; University Caen Normandie, Caen, France
| | - M Boulanger
- INSERM, UMR1086-Cancers et Préventions, Centre François Baclesse, Caen, France; University Caen Normandie, Caen, France
| | - M Bureau
- Univ. Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France
| | - Y Lecluse
- INSERM, UMR1086-Cancers et Préventions, Centre François Baclesse, Caen, France
| | - P Lebailly
- INSERM, UMR1086-Cancers et Préventions, Centre François Baclesse, Caen, France; University Caen Normandie, Caen, France
| | - I Baldi
- Univ. Bordeaux, INSERM, BPH, U1219, F-33000 Bordeaux, France; Service Santé Travail Environnement, CHU de Bordeaux, F-33000 Bordeaux, France
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45
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Rooney RC, Rodriguez-Gil JL. Widespread agrochemicals differentially affect zooplankton biomass and community structure: Comment. ECOLOGICAL APPLICATIONS : A PUBLICATION OF THE ECOLOGICAL SOCIETY OF AMERICA 2024; 34:e2962. [PMID: 38443739 DOI: 10.1002/eap.2962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 03/07/2022] [Indexed: 03/07/2024]
Affiliation(s)
- Rebecca C Rooney
- Biology Department, University of Waterloo, Waterloo, Ontario, Canada
| | - Jose Luis Rodriguez-Gil
- IISD-Experimental Lakes Area, Winnipeg, Manitoba, Canada
- Department of Environment and Geography, University of Manitoba, Winnipeg, Manitoba, Canada
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Klátyik S, Takács E, Barócsi A, Lenk S, Kocsányi L, Darvas B, Székács A. Hormesis, the Individual and Combined Phytotoxicity of the Components of Glyphosate-Based Formulations on Algal Growth and Photosynthetic Activity. TOXICS 2024; 12:257. [PMID: 38668480 PMCID: PMC11055126 DOI: 10.3390/toxics12040257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/15/2024] [Revised: 03/22/2024] [Accepted: 03/27/2024] [Indexed: 04/29/2024]
Abstract
The occurrence of the market-leading glyphosate active ingredient in surface waters is a globally observed phenomenon. Although co-formulants in pesticide formulations were considered inactive components from the aspects of the required main biological effect of the pesticide, several studies have proven the high individual toxicity of formulating agents, as well as the enhanced combined toxicity of the active ingredients and other components. Since the majority of active ingredients are present in the form of chemical mixtures in our environment, the possible combined toxicity between active ingredients and co-formulants is particularly important. To assess the individual and combined phytotoxicity of the components, glyphosate was tested in the form of pure active ingredient (glyphosate isopropylammonium salt) and herbicide formulations (Roundup Classic and Medallon Premium) formulated with a mixture of polyethoxylated tallow amines (POEA) or alkyl polyglucosides (APG), respectively. The order of acute toxicity was as follows for Roundup Classic: glyphosate < herbicide formulation < POEA. However, the following order was demonstrated for Medallon Premium: herbicide formulation < glyphosate < APG. Increased photosynthetic activity was detected after the exposure to the formulation (1.5-5.8 mg glyphosate/L and 0.5-2.2 mg POEA/L) and its components individually (glyphosate: 13-27.2 mg/L, POEA: 0.6-4.8 mg/L), which indicates hormetic effects. However, decreased photosynthetic activity was detected at higher concentrations of POEA (19.2 mg/L) and Roundup Classic (11.6-50.6 mg glyphosate/L). Differences were demonstrated in the sensitivity of the selected algae species and, in addition to the individual and combined toxicity of the components presented in the glyphosate-based herbicides. Both of the observed inhibitory and stimulating effects can adversely affect the aquatic ecosystems and water quality of surface waters.
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Affiliation(s)
- Szandra Klátyik
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2100 Gödöllő, Hungary; (S.K.); (E.T.)
| | - Eszter Takács
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2100 Gödöllő, Hungary; (S.K.); (E.T.)
| | - Attila Barócsi
- Department of Atomic Physics, Institute of Physics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary; (A.B.); (S.L.); (L.K.)
| | - Sándor Lenk
- Department of Atomic Physics, Institute of Physics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary; (A.B.); (S.L.); (L.K.)
| | - László Kocsányi
- Department of Atomic Physics, Institute of Physics, Budapest University of Technology and Economics, H-1111 Budapest, Hungary; (A.B.); (S.L.); (L.K.)
| | - Béla Darvas
- Hungarian Society of Ecotoxicology, H-1022 Budapest, Hungary;
| | - András Székács
- Agro-Environmental Research Centre, Institute of Environmental Sciences, Hungarian University of Agriculture and Life Sciences, H-2100 Gödöllő, Hungary; (S.K.); (E.T.)
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47
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Aslam S, Nowak KM. Nitrogen-fertilizer addition to an agricultural soil enhances biogenic non-extractable residue formation from 2- 13C, 15N-glyphosate. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 918:170643. [PMID: 38320697 DOI: 10.1016/j.scitotenv.2024.170643] [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: 10/15/2023] [Revised: 01/28/2024] [Accepted: 01/31/2024] [Indexed: 02/12/2024]
Abstract
Glyphosate and nitrogen (N) or (P) phosphorus fertilizers are often applied in combination to agricultural fields. The additional P or N supply to microorganisms might drive glyphosate degradation towards sarcosine/glycine or aminomethylphosphonic acid (AMPA), and consequently determine the speciation of non-extractable residues (NERs): harmless biogenic NERs (bioNERs) or potentially hazardous xenobiotic NERs (xenoNERs). We therefore investigated the effect of P or N-fertilizers on microbial degradation of glyphosate and bioNER formation in an agricultural soil. Four different treatments were incubated at 20 °C for 75 days as follows; I: no fertilizer (2-13C,15N-glyphosate only, control), II: P-fertilizer (superphosphate + 2-13C,15N-glyphosate, effect of P-supply), III: N-fertilizer (ammonium nitrate + 2-13C,15N-glyphosate, effect of N-supply) and IV: 15N-fertilizer (15N-ammonium nitrate + 2-13C-glyphosate, differentiation between microbial assimilations of 15N: 15N-fertilizer versus 15N-glyphosate). We quantified 13C or 15N in mineralization, extractable residues, NERs and in amino acids (AAs). At the end, mineralization (36-41 % of the 13C), extractable 2-13C,15N-glyphosate/2-13C-glyphosate (0.42-0.49 %) & 15N-AMPA (1.2 %), and 13C/15N-NERs (40-43 % of the 13C, 40-50 % of the 15N) were comparable among treatments. Contrastingly, the 15N-NERs from 15N-fertlizer amounted to only 6.6 % of the 15N. Notably, N-fertilizer promoted an incorporation of 13C/15N from 2-13C,15N-glyphosate into AAs and thus the formation of 13C/15N-bioNERs. The 13C/15N-AAs were as follows: 16-21 % (N-fertilizer) > 11-13 % (control) > 7.2-7.3 % (P-fertilizer) of the initially added isotope. 2-13C,15N-glyphosate was degraded via the sarcosine/glycine and AMPA simultaneously in all treatments, regardless of the treatment type. The percentage share of bioNERs within the NERs in the N-fertilized soil was highest (13C: 80-82 %, 15N: 100 %) compared to 53 % (13C & 15N, control) and to only 30 % (13C & 15N, P-fertilizer). We thus concluded simultaneous N & glyphosate addition to soils could be beneficial for the environment due to the enhanced bioNER formation, while P & glyphosate application disadvantageous since it promoted xenoNER formation.
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Affiliation(s)
- Sohaib Aslam
- Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany; Department of Environmental Sciences, Forman Christian College (A Chartered University), Ferozepur Road, 54600 Lahore, Pakistan
| | - Karolina M Nowak
- Department of Technical Biogeochemistry, Helmholtz Centre for Environmental Research - UFZ, Permoserstr. 15, 04318 Leipzig, Germany.
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Untalan M, Ivic-Pavlicic T, Taioli E. Urinary glyphosate levels and association with mortality in the 2013-16 National Health and Nutrition Examination Survey. Carcinogenesis 2024; 45:163-169. [PMID: 38041856 DOI: 10.1093/carcin/bgad088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/28/2023] [Accepted: 12/01/2023] [Indexed: 12/04/2023] Open
Abstract
OBJECTIVES Glyphosate is the most commonly used herbicide in the USA; however, its safety is still under debate. We assessed glyphosate levels and their association with overall mortality in a representative sample of the US adult population from the 2013 to 2016 National Health and Nutrition Examination Survey. METHODS We extracted data on urinary glyphosate (N = 2910) measured by ion chromatography isotope-dilution tandem mass spectrometry. Associations between glyphosate concentrations and demographic, lifestyle and other exposures were analyzed. Data were linked to public-use Mortality Files for 2019. RESULTS The mean (STD) glyphosate level was 0.53 (0.59) ng/ml, with 25.7% of the subjects having glyphosate levels at or below the detection limit. At multivariate analysis, age and creatinine were associated with glyphosate urinary levels (both P < 0.0001). There was a borderline association between glyphosate levels and mortality (HRadj 1.33; 95% CI 0.99-1.77 P = 0.06). When 3,5,6-trichloropyridinol was excluded from the Cox model, glyphosate exhibits a significant association with mortality (HRadj 1.33; 95% CI 1.00-1.77; P = 0.0532). CONCLUSIONS These nationally representative data suggest that recent exposure to glyphosate could be associated with increased mortality. More studies are necessary to understand population-level risk associated with the product, given its widespread use in agriculture.
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Affiliation(s)
- Matthew Untalan
- Institute for Translational Epidemiology and Tisch Cancer Institute, Ichan School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1133, New York, NY 10029, USA
| | - Tara Ivic-Pavlicic
- Institute for Translational Epidemiology and Tisch Cancer Institute, Ichan School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1133, New York, NY 10029, USA
| | - Emanuela Taioli
- Institute for Translational Epidemiology and Tisch Cancer Institute, Ichan School of Medicine at Mount Sinai, One Gustave L. Levy Place, Box 1133, New York, NY 10029, USA
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Anarghou H, Malqui H, Ihbour S, Laaroussi M, Essaidi O, Fetoui H, Bouhrim M, Najimi M, Chigr F. Impact of glyphosate-based herbicide exposure through maternal milk on offspring's antioxidant status, neurodevelopment, and behavior. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2024:10.1007/s00210-024-03035-5. [PMID: 38466353 DOI: 10.1007/s00210-024-03035-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 03/01/2024] [Indexed: 03/13/2024]
Abstract
Glyphosate-based Herbicide (GBH) is a widely used pesticide that functions as a broad-spectrum, non-selective herbicide. Despite advanced research to describe the neurotoxic potential of GBH, the harmful effects on maternal behavior and neurodevelopment of offspring remain unclear. This study was conducted to highlight the effects of GBH on the antioxidant system, anxiety traits, social interaction, and cognitive and sensorimotor functions in pups exposed to 25 or 50 mg/l daily via their mother's milk. Concerning the biochemical biomarkers, GBH administered during the early stages of development negatively affected the status of antioxidant enzymes and lipid peroxidation in the brain structures of the pups. Furthermore, our results showed a significant decrease in acetylcholinesterase (AChE) specific activity within the brains of treated pups. The results of the behavioral tests indicated that the treated offspring developed anxiety, memory, and sociability disorders, as evidenced by the Open Field, Y-maze, object recognition task, and social interaction tests. Through neurodevelopmental testing, we also showed sensorimotor impairment (righting reflex and negative geotaxis) and abnormal maternal behavior. Altogether, our study clearly demonstrates that the developing brain is sensitive to GBH.
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Affiliation(s)
- Hammou Anarghou
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco.
- High Institute of Nursing Professions and Health Techniques Dakhla Annex, Dakhla, Morocco.
| | - Hafsa Malqui
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Said Ihbour
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Meriem Laaroussi
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Oumaima Essaidi
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Hamadi Fetoui
- Laboratory of Toxicology-Microbiology and Environmental Health (17ES06), Faculty of Sciences of Sfax, University of Sfax, BP1171, 3000, Sfax, Tunisia
| | - Mohamed Bouhrim
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
- Laboratories TBC, Laboratory of Pharmacology, Pharmacokinetics and Clinical Pharmacy, University of Lille, Faculty of Pharmacy, F-59000, Lille, France
| | - Mohamed Najimi
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
| | - Fatiha Chigr
- Biological Engineering Laboratory, Faculty of Sciences and Techniques, Sultan Moulay Slimane University, Beni Mellal, Morocco
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Huang CK, Lin YN, Huang WS, Senapati S, Chang HC, Sun YM, Huang LF. RNA-based detection of genetically modified plants via current-voltage characteristic measurement. J Biotechnol 2024; 383:27-38. [PMID: 38336281 DOI: 10.1016/j.jbiotec.2024.02.002] [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: 11/28/2023] [Revised: 01/30/2024] [Accepted: 02/05/2024] [Indexed: 02/12/2024]
Abstract
The widespread adoption of genetically modified (GM) crops has escalated concerns about their safety and ethical implications, underscoring the need for efficient GM crop detection methods. Conventional detection methods, such as polymerase chain reaction, can be costly, lab-bound, and time-consuming. To overcome these challenges, we have developed RapiSense, a cost-effective, portable, and sensitive biosensor platform. This sensor generates a measurable voltage shift (0.1-1 V) in the system's current-voltage characteristics, triggered by an increase in membrane's negative charge upon hybridization of DNA/RNA targets with a specific DNA probe. Probes designed to identify the herbicide resistance gene hygromycin phosphotransferase show a detection range from ∼1 nM to ∼10 μM and can discriminate between complementary, non-specific, and mismatched nucleotide targets. The incorporation of a small membrane sensor to detect fragmented RNA samples substantially improve the platform's sensitivity. In this study, RapiSense has been effectively used to detect specific DNA and fragmented RNA in transgenic variants of Arabidopsis, sweet potato, and rice, showcasing its potential for rapid, on-site GM crop screening.
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Affiliation(s)
- Chun-Kai Huang
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China; Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China; Institute of Plant and Microbial Biology, Academia Sinica, Taipei 115201, Taiwan, Republic of China
| | - Yi-Nan Lin
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China; Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China
| | - Wen-Shan Huang
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China; Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China
| | - Satyajyoti Senapati
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Hsueh-Chia Chang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, United States
| | - Yi-Ming Sun
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China; R&D Center for Membrane Technology, Chung Yuan University, Taoyuan 320071, Taiwan, Republic of China
| | - Li-Fen Huang
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan 320315, Taiwan, Republic of China.
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