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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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2
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Díaz-Soto JA, Mussali-Galante P, Castrejón-Godínez ML, Saldarriaga-Noreña HA, Tovar-Sánchez E, Rodríguez A. Glyphosate resistance and biodegradation by Burkholderia cenocepacia CEIB S5-2. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:37480-37495. [PMID: 38776026 DOI: 10.1007/s11356-024-33772-2] [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: 02/21/2024] [Accepted: 05/19/2024] [Indexed: 06/20/2024]
Abstract
Glyphosate is a broad spectrum and non-selective herbicide employed to control different weeds in agricultural and urban zones and to facilitate the harvest of various crops. Currently, glyphosate-based formulations are the most employed herbicides in agriculture worldwide. Extensive use of glyphosate has been related to environmental pollution events and adverse effects on non-target organisms, including humans. Reducing the presence of glyphosate in the environment and its potential adverse effects requires the development of remediation and treatment alternatives. Bioremediation with microorganisms has been proposed as a feasible alternative for treating glyphosate pollution. The present study reports the glyphosate resistance profile and degradation capacity of the bacterial strain Burkholderia cenocepacia CEIB S5-2, isolated from an agricultural field in Morelos-México. According to the agar plates and the liquid media inhibition assays, the bacterial strain can resist glyphosate exposure at high concentrations, 2000 mg·L-1. In the degradation assays, the bacterial strain was capable of fast degrading glyphosate (50 mg·L-1) and the primary degradation metabolite aminomethylphosphonic acid (AMPA) in just eight hours. The analysis of the genomic data of B. cenocepacia CEIB S5-2 revealed the presence of genes that encode enzymes implicated in glyphosate biodegradation through the two metabolic pathways reported, sarcosine and AMPA. This investigation provides novel information about the potential of species of the genus Burkholderia in the degradation of the herbicide glyphosate and its main degradation metabolite (AMPA). Furthermore, the analysis of genomic information allowed us to propose for the first time a metabolic route related to the degradation of glyphosate in this bacterial group. According to the findings of this study, B. cenocepacia CEIB S5-2 displays a great glyphosate biodegradation capability and has the potential to be implemented in glyphosate bioremediation approaches.
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Affiliation(s)
- José Antonio Díaz-Soto
- Doctorado en Ciencias Naturales, Universidad Autónoma del Estado de Morelos, Av. Universidad 1001, Col. Chamilpa, Cuernavaca, CP, 62209, México
| | - Patricia Mussali-Galante
- Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Av. Universidad, 1001, Col. Chamilpa, Cuernavaca, CP, 62209, Morelos, México
| | - María Luisa Castrejón-Godínez
- Facultad de Ciencias Biológicas, Universidad Autónoma del Estado de Morelos, Av. Universidad, 1001, Col. Chamilpa, Cuernavaca, CP, 62209, Morelos, México
| | - Hugo Albeiro Saldarriaga-Noreña
- Centro de Investigaciones Químicas, Universidad Autónoma del Estado de Morelos, Av. Universidad, 1001, Col. Chamilpa, Cuernavaca, CP, 62209, Morelos, México
| | - Efraín Tovar-Sánchez
- Centro de Investigación en Biodiversidad y Conservación, Universidad Autónoma del Estado de Morelos, Av. Universidad, 1001, Col. Chamilpa, Cuernavaca, CP, 62209, Morelos, México
| | - Alexis Rodríguez
- Centro de Investigación en Biotecnología, Universidad Autónoma del Estado de Morelos, Av. Universidad, 1001, Col. Chamilpa, Cuernavaca, CP, 62209, Morelos, México.
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Zhang Q, Lei C, Jin M, Qin G, Yu Y, Qiu D, Wang Y, Zhang Z, Zhang Z, Lu T, Peijnenburg WJGM, Gillings M, Yao Z, Qian H. Glyphosate Disorders Soil Enchytraeid Gut Microbiota and Increases Its Antibiotic Resistance Risk. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:2089-2099. [PMID: 38235689 DOI: 10.1021/acs.jafc.3c05436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/19/2024]
Abstract
Pesticides promote the stable development of intensive global agriculture. Nevertheless, their residues in the soil can cause ecological and human health risks. Glyphosate is a popular herbicide and is generally thought to be ecologically safe and nontoxic, but this conclusion has been questioned. Herein, we investigated the interaction among soil fauna (Enchytraeus crypticus) exposed to glyphosate and found that glyphosate induced oxidative stress and detoxification responses in E. crypticus and disturbed their lipid metabolism and digestive systems. We further demonstrated that glyphosate disordered the gut microbiota of E. crypticus and increased the abundance of resistance determinants with significant human health risks. Empirical tests and structural equation models were then used to confirm that glyphosate could cause E. crypticus to generate reactive oxygen species, indirectly interfering with their gut microbiota. Our study provides important implications for deciphering the mechanisms of the ecotoxicity of pesticides under the challenge of worldwide pesticide contamination.
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Affiliation(s)
- Qi Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Chaotang Lei
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Mingkang Jin
- University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Guoyan Qin
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Yitian Yu
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Danyan Qiu
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Yan Wang
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Ziyao Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Zhenyan Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - Tao Lu
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
| | - W J G M Peijnenburg
- Institute of Environmental Sciences (CML), Leiden University, RA Leiden 2300, The Netherlands
- Center for Safety of Substances and Products, National Institute of Public Health and the Environment (RIVM), P.O. Box 1, Bilthoven 3720 BA, The Netherlands
| | - Michael Gillings
- ARC Centre of Excellence in Synthetic Biology, Faculty of Science and Engineering, Macquarie University, Macquarie Park, New South Wales 2109, Australia
| | - Ziang Yao
- College of Life Science, Dalian Minzu University, Dalian, Liaoning 116600, PR China
| | - Haifeng Qian
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, P. R. China
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Duchet C, Mitchell CJ, McIntyre JK, Stark JD. Chronic toxicity of three formulations of neonicotinoid insecticides and their mixture on two daphniid species: Daphnia magna and Ceriodaphnia dubia. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2023; 254:106351. [PMID: 36423469 DOI: 10.1016/j.aquatox.2022.106351] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 09/19/2022] [Accepted: 11/07/2022] [Indexed: 06/16/2023]
Abstract
Neonicotinoid insecticides represent nearly a quarter of the global insecticide market and are widely used in agriculture but also for lawn, garden care, and pest control. They are highly water-soluble, persistent in soil, may enter the aquatic compartment via spray drift, runoff, or leaching, and contribute to downstream aquatic toxicity. Although insects appear to be the most sensitive group to neonicotinoids, other groups, such as crustaceans, may also be affected. Furthermore, most studies focus on single-insecticide exposure and very little is known concerning the impact of neonicotinoid mixtures on aquatic invertebrates. The present study was designed to test potential toxicological effects of an environmentally relevant mixture of imidacloprid, clothianidin, and thiamethoxam on populations of Ceriodaphnia dubia and Daphnia magna under controlled conditions. Chronic toxicity tests were conducted in the laboratory, and survival and reproduction were measured for both species under environmentally relevant, 'worst-case' concentrations for each compound separately and in combination as pesticides are often detected as mixtures in aquatic environments. The neonicotinoids did not appear to affect the survival of C. dubia and D. magna. Reproduction of C. dubia was affected by the mixture whereas all three individual insecticides as well as the mixture caused a significant reduction in the reproduction of D. magna. Our results highlight the complexity of pesticide toxicity and show that traditional toxicological approaches such as, acute mortality studies and tests with single compounds can underestimate negative impacts that occur in the environment.
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Affiliation(s)
- Claire Duchet
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, United States; Department of Ecosystem Biology, Faculty of Science, University of South Bohemia, Ceske Budejovice 37005, Czech Republic.
| | - Chelsea J Mitchell
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, United States
| | - Jenifer K McIntyre
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, United States
| | - John D Stark
- Puyallup Research & Extension Center, Washington State University, Puyallup, WA 98371, United States
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Caisso L. Rural schools and agribusiness in Argentina. Senses and practices of rural teachers around agrochemical spraying in school contexts. DIALECTICAL ANTHROPOLOGY 2022. [DOI: 10.1007/s10624-022-09675-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Duke SO. Glyphosate: Uses Other Than in Glyphosate-Resistant Crops, Mode of Action, Degradation in Plants, and Effects on Non-target Plants and Agricultural Microbes. REVIEWS OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2021; 255:1-65. [PMID: 33895876 DOI: 10.1007/398_2020_53] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Glyphosate is the most used herbicide globally. It is a unique non-selective herbicide with a mode of action that is ideal for vegetation management in both agricultural and non-agricultural settings. Its use was more than doubled by the introduction of transgenic, glyphosate-resistant (GR) crops. All of its phytotoxic effects are the result of inhibition of only 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS), but inhibition of this single enzyme of the shikimate pathway results in multiple phytotoxicity effects, both upstream and downstream from EPSPS, including loss of plant defenses against pathogens. Degradation of glyphosate in plants and microbes is predominantly by a glyphosate oxidoreductase to produce aminomethylphosphonic acid and glyoxylate and to a lesser extent by a C-P lyase to produce sarcosine and phosphate. Its effects on non-target plant species are generally less than that of many other herbicides, as it is not volatile and is generally sprayed in larger droplet sizes with a relatively low propensity to drift and is inactivated by tight binding to most soils. Some microbes, including fungal plant pathogens, have glyphosate-sensitive EPSPS. Thus, glyphosate can benefit GR crops by its activity on some plant pathogens. On the other hand, glyphosate can adversely affect some microbes that are beneficial to agriculture, such as Bradyrhizobium species, although GR crop yield data indicate that such an effect has been minor. Effects of glyphosate on microbes of agricultural soils are generally minor and transient, with other agricultural practices having much stronger effects.
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Affiliation(s)
- Stephen O Duke
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS, USA.
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