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Vázquez DE, Verellen F, Farina WM. Early exposure to glyphosate during larval development induces late behavioural effects on adult honey bees. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 360:124674. [PMID: 39111532 DOI: 10.1016/j.envpol.2024.124674] [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: 04/01/2024] [Revised: 07/12/2024] [Accepted: 08/03/2024] [Indexed: 08/10/2024]
Abstract
As the most abundant pollinator insect in crops, Apis mellifera is a sentinel species of the pollinator communities. In these ecosystems, honey bees of different ages and developmental stages are exposed to diverse agrochemicals. However, most toxicological studies analyse the immediate effects during exposure. Late effects during adulthood after early exposure to pollutants during larval development are poorly studied in bees. The herbicide glyphosate (GLY) is the most applied pesticide worldwide. GLY has been detected in honey and beebread from hives near treated crops. Alterations in growth, morphogenesis or organogenesis during pre-imaginal development could induce late adverse effects after the emergence. Previous studies have demonstrated that GLY alters honey bee development, immediately affecting survival, growth and metabolism, followed by late teratogenic effects. The present study aims to determine the late impact on the behaviour and physiology of adult bees after pre-imaginal exposure to GLY. For that, we reared brood in vitro or in the hive with sub-chronic exposure to the herbicide with the average detected concentration in hives. Then, all newly emerged bees were reared in an incubator until maturity and tested when they became nurse-aged bees. Three behavioural responses were assessed as markers of cognitive and physiological impairment. Our results show i) decreased sensitivity to sucrose regardless of the rearing procedure, ii) increased choice latency and locomotor alterations during chemotaxis and iii) impaired associative learning. These late toxicity signs could indicate adverse effects on task performance and colony efficiency.
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Affiliation(s)
- Diego E Vázquez
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Insectos Sociales, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Buenos Aires, Argentina
| | - Facundo Verellen
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Insectos Sociales, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Buenos Aires, Argentina
| | - Walter M Farina
- Universidad de Buenos Aires, Facultad de Ciencias Exactas y Naturales, Departamento de Biodiversidad y Biología Experimental, Laboratorio de Insectos Sociales, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), Buenos Aires, Argentina.
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Tesi GO, Okpara KE, Tesi JN, Agbozu IE, Techato K. Human exposure to endocrine-disrupting organochlorine and organophosphate pesticides in locally produced and imported honey in Nigeria. INTERNATIONAL JOURNAL OF ENVIRONMENTAL HEALTH RESEARCH 2024:1-21. [PMID: 38958232 DOI: 10.1080/09603123.2024.2373169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 06/19/2024] [Indexed: 07/04/2024]
Abstract
The practice of exposing honeybees to pesticides by bee-keepers or via agricultural crops, is one of the ways in which honey becomes contaminated with pesticides. Though honey has many health advantages, however, human exposure to pesticides via consumption of honey has generated public health concerns due to their endocrine-disruptive abilities. Thus, this study evaluated human exposure to endocrine-disrupting pesticides in honey from Nigeria to establish the safety of honey consumed in Nigeria. Honey were analyzed for pesticides using a gas chromatograph combined with an electron capture detector. The concentrations of ∑20 OCPs and ∑14 OPPs in the honey ranged from 0.45-1045 ng/g and 1.13-632 ng/g respectively. The values of both individual and cumulative non-carcinogenic and carcinogenic risks for humans were <1 and 1 × 10-4 respectively suggesting that there are no potential health risks via the honey consumption. The source analysis showed that pesticides in these honey originated from historical and recent/fresh use.
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Affiliation(s)
- Godswill Okeoghene Tesi
- Faculty of Environmental Management, Prince of Songkla University, Songkhla, Thailand
- Department of Chemical Sciences, University of Africa, Toru-Orua, Nigeria
- Department of Chemistry, Federal University of Petroleum Resources, Effurun, Nigeria
| | - Kingsley Ezechukwu Okpara
- Faculty of Environmental Management, Prince of Songkla University, Songkhla, Thailand
- Institute of Geosciences and Environmental Management, Rivers State University, Port Harcourt, Nigeria
| | - Juliet Ngozi Tesi
- Department of Environmental Management and Toxicology, Federal University of Petroleum Resources, Effurun, Nigeria
| | - Iwekumo Ebibofe Agbozu
- Department of Environmental Management and Toxicology, Federal University of Petroleum Resources, Effurun, Nigeria
| | - Kuaanan Techato
- Faculty of Environmental Management, Prince of Songkla University, Songkhla, Thailand
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3
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Thompson TS, van den Heever JP, Zarft MJ, Dijanovic S. Determination of quinclorac and quinclorac methyl ester in honey by online SPE-UPLC-MS/MS. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2024; 41:60-73. [PMID: 38048344 DOI: 10.1080/19440049.2023.2289131] [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: 08/09/2023] [Accepted: 11/23/2023] [Indexed: 12/06/2023]
Abstract
A method employing online solid phase extraction (SPE) coupled to UPLC-MS/MS was developed for the determination of residues of the acid herbicide quinclorac plus its transformation product, quinclorac methyl ester, in honey. The analytical method involved dissolving the honey in a mixture of methanol:water followed by direct injection into a two-dimensional UPLC system which is used to perform an automated SPE cleanup on a reusable phenyl cartridge prior to the target analytes being transferred onto an analytical UPLC column for subsequent chromatographic separation followed by MS/MS detection. The limits of quantitation for quinclorac and quinclorac methyl ester in honey were both set at 0.5 µg kg-1 and the method detection limit was estimated to be 0.012 µg kg-1 for each compound. The working analytical range (0.5-100 µg kg-1) was validated by analysing a series of spiked replicate honey samples. The method was applied to the analysis of various honeys obtained from numerous different commercial sources. Quinclorac was detected in 9 out of 30 samples at concentrations ranging from 0.6 to 31.5 µg kg-1. Quinclorac methyl ester, which is estimated to be significantly more toxic than the parent herbicide itself, was not detected in any honey sample.
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Affiliation(s)
- Thomas S Thompson
- Agri-Food Assurance Section, Food Safety Branch, Alberta Agriculture and Irrigation, Edmonton, Alberta, Canada
| | - Johan P van den Heever
- Agri-Food Assurance Section, Food Safety Branch, Alberta Agriculture and Irrigation, Edmonton, Alberta, Canada
| | - Melissa J Zarft
- Agri-Food Assurance Section, Food Safety Branch, Alberta Agriculture and Irrigation, Edmonton, Alberta, Canada
| | - Snezana Dijanovic
- Agri-Food Assurance Section, Food Safety Branch, Alberta Agriculture and Irrigation, Edmonton, Alberta, Canada
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4
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Nouvian M, Foster JJ, Weidenmüller A. Glyphosate impairs aversive learning in bumblebees. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 898:165527. [PMID: 37451452 DOI: 10.1016/j.scitotenv.2023.165527] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 07/06/2023] [Accepted: 07/11/2023] [Indexed: 07/18/2023]
Abstract
Agrochemicals represent prominent anthropogenic stressors contributing to the ongoing global insect decline. While their impact is generally assessed in terms of mortality rates, non-lethal effects on fitness are equally important to insect conservation. Glyphosate, a commonly used herbicide, is toxic to many animal species, and thought to impact a range of physiological functions. In this study, we investigate the impact of long-term exposure to glyphosate on locomotion, phototaxis and learning abilities in bumblebees, using a fully automated high-throughput assay. We find that glyphosate exposure had a very slight and transient impact on locomotion, while leaving the phototactic drive unaffected. Glyphosate exposure also reduced attraction towards UV light when blue was given as an alternative and, most strikingly, impaired learning of aversive stimuli. Thus, glyphosate had specific actions on sensory and cognitive processes. These non-lethal perceptual and cognitive impairments likely represent a significant obstacle to foraging and predator avoidance for wild bumblebees exposed to glyphosate. Similar effects in other species could contribute to a widespread reduction in foraging efficiency across ecosystems, driven by the large-scale application of this herbicide. The high-throughput paradigm presented in this study can be adapted to investigate sublethal effects of other agrochemicals on bumblebees or other important pollinator species, opening up a critical new avenue for the study of anthropogenic stressors.
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Affiliation(s)
- Morgane Nouvian
- Department of Biology, University of Konstanz, Konstanz, Germany; Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany; Zukunftskolleg, University of Konstanz, Konstanz, Germany.
| | - James J Foster
- Department of Biology, University of Konstanz, Konstanz, Germany; Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany
| | - Anja Weidenmüller
- Department of Biology, University of Konstanz, Konstanz, Germany; Centre for the Advanced Study of Collective Behaviour, University of Konstanz, Konstanz, Germany
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Boakye RG, Stanley DA, White B. Honey contamination from plant protection products approved for cocoa (Theobroma cacao) cultivation: A systematic review of existing research and methods. PLoS One 2023; 18:e0280175. [PMID: 37878562 PMCID: PMC10599517 DOI: 10.1371/journal.pone.0280175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 08/06/2023] [Indexed: 10/27/2023] Open
Abstract
The main component of chocolate, cocoa (Theobroma cacao), is a significant commercial agricultural plant that directly sustains the livelihoods of an estimated forty to fifty million people. The economies of many cocoa producing nations, particularly those in the developing world, are supported by cocoa export revenue. To ensure satisfactory yields, however, the plant is usually intensely treated with pesticides because it is vulnerable to disease and pest attacks. Even though pesticides help protect the cocoa plant, unintended environmental contamination is also likely. Honey, produced from nectar obtained by honeybees from flowers while foraging, can serve as a good indicator for the level of pesticide residues and environmental pesticide build-up in landscapes. Here, we use a systematic literature review to quantify the extent of research on residues of pesticides used in cocoa cultivation in honey. In 81% of the 104 studies examined for this analysis, 169 distinct compounds were detected. Imidacloprid was the most frequently detected pesticide, making neonicotinoids the most frequently found class of pesticides overall. However, in cocoa producing countries, organophosphates, organochlorines, and pyrethroids were the most frequently detected pesticides. Interestingly, only 19% of studies were carried out in cocoa producing countries. We recommend prioritizing more research in the countries that produce cocoa to help to understand the potential impact of pesticide residues linked with cocoa cultivation in honey and the environment more generally to inform better pesticide usage, human health, and environmental policies.
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Affiliation(s)
- Richard G. Boakye
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
- Earth Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Dara A. Stanley
- School of Agriculture and Food Science, University College Dublin, Dublin, Ireland
- Earth Institute, University College Dublin, Belfield, Dublin, Ireland
| | - Blanaid White
- School of Chemical Sciences, Dublin City University, Dublin, Ireland
- National Centre for Sensor Research, DCU Water Institute, Dublin City University, Dublin, Ireland
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Vázquez DE, Villegas Martínez LE, Medina V, Latorre-Estivalis JM, Zavala JA, Farina WM. Glyphosate affects larval gut microbiota and metamorphosis of honey bees with differences between rearing procedures. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 334:122200. [PMID: 37460013 DOI: 10.1016/j.envpol.2023.122200] [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: 02/13/2023] [Revised: 06/05/2023] [Accepted: 07/12/2023] [Indexed: 07/22/2023]
Abstract
The honey bee Apis mellifera is a sentinel species of the pollinator community which is exposed to a wide variety of pesticides. In the last half-century, the pesticide most applied worldwide has been the herbicide glyphosate (GLY) used for weed control and with microbiocide effects. After its application in crops, the GLY residues have been detected in flowers visited by honey bees as well as in the stored food of their hives. Therefore, the honey bee brood can ingest the herbicide during larval development. Recent studies proved that GLY has detrimental effects on adult honey bees and other insects associated with the disturbance of their gut microbiota. GLY induces changes in the growth, metabolism and survival of honey bees and stingless bees reared in vitro. However, the effect of GLY on larval microbiota is unknown so far and there are few studies with an in-hive exposure to GLY. For these reasons, this study aims to determine whether GLY induces dysbiosis in honey bee larvae and affects their metamorphosis during the exposure period (pre-defecation) and the post-exposure period. Furthermore, we assessed this herbicide in vitro and in the hive to compare its effects on different rearing procedures. Finally, we tested the pigment BLUE1 as an indirect exposure marker to detect and estimate the in-hive intake concentration of GLY. Our results indicate that the intake of field-relevant concentrations of GLY induced a slowdown in growth with dysbiosis in the larval gut microbiota followed by late effects on their metamorphosis such as teratogenesis and mortality of newly emerged bees. Nevertheless, brood from the same colonies expressed different signs of toxicity depending on the rearing procedure and in a dose-dependent manner.
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Affiliation(s)
- Diego E Vázquez
- Laboratorio de Insectos Sociales, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | | | - Virginia Medina
- Universidad de Buenos Aires, Facultad de Agronomía, Cátedra de Bioquímica, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, (INBA), Buenos Aires, Argentina
| | - Jose M Latorre-Estivalis
- Laboratorio de Insectos Sociales, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Jorge A Zavala
- Universidad de Buenos Aires, Facultad de Agronomía, Cátedra de Bioquímica, Buenos Aires, Argentina; CONICET-Universidad de Buenos Aires, Instituto de Investigaciones en Biociencias Agrícolas y Ambientales, (INBA), Buenos Aires, Argentina
| | - Walter M Farina
- Laboratorio de Insectos Sociales, Departamento de Biodiversidad y Biología Experimental, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina; Instituto de Fisiología, Biología Molecular y Neurociencias (IFIBYNE), CONICET-Universidad de Buenos Aires, Buenos Aires, Argentina.
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Ferreira LMN, Hrncir M, de Almeida DV, Bernardes RC, Lima MAP. Effects of acephate and glyphosate-based agrochemicals on the survival and flight of Plebeia lucii Moure, 2004 (Apidae: Meliponini). ECOTOXICOLOGY (LONDON, ENGLAND) 2023; 32:926-936. [PMID: 37728837 DOI: 10.1007/s10646-023-02698-9] [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] [Accepted: 09/12/2023] [Indexed: 09/21/2023]
Abstract
The conservation of terrestrial ecosystems depends largely on the preservation of pollinators, mainly bees. Stingless bees are among the main pollinators of native plants and crops in tropical regions, where they can be exposed to agrochemicals while foraging on contaminated flowers. In the present study, we investigated the effects on stingless bees of both a commonly used insecticide and herbicide in Brazil. Plebeia lucii Moure, 2004 (Apidae: Meliponini) foragers were orally chronically exposed to food contaminated with different concentrations of commercial formulations of the insecticide acephate or the herbicide glyphosate. Bee mortality increased with increasing agrochemical concentrations. Depending on its concentration, the acephate-based formulation reduced the lifespan and impaired the flight ability of bees. The glyphosate-based formulation was toxic only under unrealistic concentrations. Our results demonstrate that realistic concentrations of acephate-based insecticides harm the survival and alter the mobility of stingless bees. The ingestion of glyphosate-based herbicides was safe for forager bees under realistic concentrations.
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Affiliation(s)
- Lívia Maria Negrini Ferreira
- Universidade Federal de Viçosa, Departamento de Biologia Geral, Programa de Pós-Graduação em Ecologia, Viçosa, MG, Brazil.
- Universidade Federal de Viçosa, Departamento de Entomologia, Viçosa, MG, Brazil.
| | - Michael Hrncir
- Universidade de São Paulo, Departamento de Fisiologia, São Paulo, SP, Brazil
| | - Danilo Vieira de Almeida
- Universidade Federal de Viçosa, Departamento de Agronomia, Curso de Graduação em Agronomia, Viçosa, MG, Brazil
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Zioga E, White B, Stout JC. Pesticide mixtures detected in crop and non-target wild plant pollen and nectar. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:162971. [PMID: 36958551 DOI: 10.1016/j.scitotenv.2023.162971] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 03/16/2023] [Accepted: 03/16/2023] [Indexed: 05/17/2023]
Abstract
Cultivation of mass flowering entomophilous crops benefits from the presence of managed and wild pollinators, who visit flowers to forage on pollen and nectar. However, management of these crops typically includes application of pesticides, the presence of which may pose a hazard for pollinators foraging in an agricultural environment. To determine the levels of potential exposure to pesticides, their presence and concentration in pollen and nectar need assessing, both within and beyond the target crop plants. We selected ten pesticide compounds and one metabolite and analysed their occurrence in a crop (Brassica napus) and a wild plant (Rubus fruticosus agg.), which was flowering in field edges. Nectar and pollen from both plants were collected from five spring and five winter sown B. napus fields in Ireland, and were tested for pesticide residues, using QuEChERS and Liquid Chromatography tandem mass spectrometry (LC-MS/MS). Pesticide residues were detected in plant pollen and nectar of both plants. Most detections were from fields with no recorded application of the respective compounds in that year, but higher concentrations were observed in recently treated fields. Overall, more residues were detected in B. napus pollen and nectar than in the wild plant, and B. napus pollen had the highest mean concentration of residues. All matrices were contaminated with at least three compounds, and the most frequently detected compounds were fungicides. The most common compound mixture was comprised of the fungicides azoxystrobin, boscalid, and the neonicotinoid insecticide clothianidin, which was not recently applied on the fields. Our results indicate that persistent compounds like the neonicotinoids, should be continuously monitored for their presence and fate in the field environment. The toxicological evaluation of the compound mixtures identified in the present study should be performed, to determine their impacts on foraging insects that may be exposed to them.
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Affiliation(s)
- Elena Zioga
- Botany, School of Natural Sciences, Trinity College Dublin, Dublin 2, Ireland.
| | - Blánaid White
- School of Chemical Sciences, DCU Water Institute, Dublin City University, Dublin 9, Ireland
| | - Jane C Stout
- Botany, School of Natural Sciences, Trinity College Dublin, Dublin 2, Ireland
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Pent K, Naudi S, Raimets R, Jürison M, Liiskmann E, Karise R. Overlapping exposure effects of pathogen and dimethoate on honeybee ( Apis mellifera Linnaeus) metabolic rate and longevity. Front Physiol 2023; 14:1198070. [PMID: 37346484 PMCID: PMC10279948 DOI: 10.3389/fphys.2023.1198070] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2023] [Accepted: 05/26/2023] [Indexed: 06/23/2023] Open
Abstract
Introduction: Declines in honeybee abundance have been observed worldwide during last decades. This is partly due to plant protection agents used in intensive farming, landscaping and infrastructure maintenance. Another type of factors negatively affecting honeybees is the spread of diseases caused by different pathogens and pests. Lately, more focus has been paid to the interactions between different overlapping stressors affecting honeybee health, the combination of these often being more detrimental compared to individual stressors. The most widely used stress-evaluating methods take into account lethal- or motorial changes of the individuals or colonies. Comparatively little honeybee research has examined changes in initial recovery potential and physiological symptoms of toxification. The aim of this study was to examine the combined effect of Nosema apis and N. ceranae (according to a newer classification Vairimorpha apis and V. ceranae), the common causes of nosemosis in the honeybee Apis mellifera L., with the insecticide dimethoate. Methods: In this study, honeybee mortality and metabolic rate were used to assess the combined effects interactions of Nosema ssp. and dimethoate. Results: Our results showed that exposure to the low concentration of either dimethoate, either one or both species of Nosema ssp as single factors or in the combination had no significant effect on honeybee metabolic rate. The mortality increased with the two Nosema spp., as well as with infection by N. ceranae alone. The effect of dimethoate was observed only in combination with N. apis infection, which alone had no effect on individual honeybee mortality. Conclusion: This study demonstrates that the overlapping exposure to a non-lethal concentration of a pesticide and a pathogen can be hidden by stronger stressor but become observable with milder stressors.
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Glyphosate and Glufosinate Residues in Honey and Other Hive Products. Foods 2023; 12:foods12061155. [PMID: 36981082 PMCID: PMC10048440 DOI: 10.3390/foods12061155] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/28/2023] [Accepted: 03/07/2023] [Indexed: 03/11/2023] Open
Abstract
Hive products have numerous beneficial properties; however, the hive’s health is affected by the surrounding environment. The widespread use of herbicides in agriculture, such as glyphosate and glufosinate, has raised alarm among consumers, beekeepers, and environmentalists due to their potential to harm bees and humans through the consumption of bee products. This review aims to provide a comprehensive overview of the presence of glyphosate, glufosinate, and their metabolites in hive products, collecting and comparing available data from peer-reviewed research and surveys conducted across several countries. Moreover, it analyzes and discusses the potential impacts of these substances on human and bee health, analytical aspects, and recent regulatory developments. The data has revealed that these substances can be present in the different matrices tested, but the concentrations found are usually lower than the maximum residue limits set. However, the use of different methodologies with non-uniform analytical performances, together with an incomplete search for regulated analytes, leads to heterogeneity and makes comparisons challenging. In addition to the completion of studies on the toxicology of herbicide active ingredients, further monitoring actions are necessary, harmonizing analytical methodologies and data management procedures.
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Simultaneous determination of glyphosate, glufosinate, and their metabolites in honey using liquid chromatography-tandem mass spectrometry and solid-phase extraction. ANAL SCI 2023:10.1007/s44211-023-00288-7. [PMID: 36811186 DOI: 10.1007/s44211-023-00288-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2022] [Accepted: 02/01/2023] [Indexed: 02/23/2023]
Abstract
Here, we developed and validated a liquid chromatography-tandem mass spectrometry (LC-MS/MS) method for the simultaneous determination of residual glyphosate, glufosinate, and their metabolites N-acetylglyphosate (Gly-A), 3-methylphosphinicopropionic acid (MPPA) and N-acetylglufosinate (Glu-A) in honey using a mixed mode column of reversed-phase and anion exchange without derivatization. The target analytes were extracted from honey samples using water, cleaned up on a reverse phase C18 cartridge column and an anion exchange NH2 cartridge column, and quantified using LC-MS/MS. Glyphosate, Glu-A, Gly-A, and MPPA were detected in negative ion mode based on deprotonation, whereas glufosinate was detected in positive ion mode. The coefficients of determination (R2) of the calibration curve, calculated in the range of 1-20 µg/kg for glufosinate, Glu-A, and MPPA, and 5-100 µg/kg for glyphosate and Gly-A, were higher than 0.993. The developed method was evaluated using honey samples spiked with glyphosate and Gly-A at 25 µg/kg and glufosinate, and MPPA and Glu-A at 5 µg/kg, based on the maximum residue levels. The validation results show good recoveries (86-106%) and precision (< 10%) for all target compounds. The limit of quantification of the developed method is 5 µg/kg for glyphosate, 2 µg/kg for Gly-A, and 1 µg/kg for glufosinate, MPPA and Glu-A. These results suggest that the developed method is applicable for quantifying residual glyphosate, glufosinate, and their metabolites in honey in compliance with Japanese maximum residue levels. Moreover, the proposed method was applied to the analysis of honey samples and glyphosate, glufosinate, and Glu-A were detected in some samples. The proposed method will be a useful tool for the regulatory monitoring of residual glyphosate, glufosinate, and their metabolites in honey.
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12
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Zioga E, White B, Stout JC. Glyphosate used as desiccant contaminates plant pollen and nectar of non-target plant species. Heliyon 2022; 8:e12179. [PMID: 36531643 PMCID: PMC9755368 DOI: 10.1016/j.heliyon.2022.e12179] [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: 10/28/2022] [Revised: 11/09/2022] [Accepted: 11/30/2022] [Indexed: 12/14/2022] Open
Abstract
Pesticide products containing glyphosate as a systemic active ingredient are some of the most extensively used herbicides worldwide. After spraying, residues have been found in nectar and pollen collected by bees foraging on treated plants. This dietary exposure to glyphosate could pose a hazard for flower-visiting animals including bees, and for the delivery of pollination services. Here, we evaluated whether glyphosate contaminates nectar and pollen of targeted crops and non-target wild plants. Oilseed rape was selected as focal crop species, and Rubus fruticosus growing in the hedgerows surrounding the crop was chosen as non-target plant species. Seven fields of oilseed rape, where a glyphosate-based product was applied, were chosen in east and southeast Ireland, and pollen and nectar were extracted from flowers sampled from the field at various intervals following glyphosate application. Pollen loads were taken from honeybees and bumblebees foraging on the crop at the same time. Glyphosate and aminomethylphosphonic acid (AMPA) residues were extracted using acidified methanol and their concentrations in the samples were determined by a validated liquid chromatography tandem mass spectrometry (LC-MS/MS) method. Glyphosate was detected in R. fruticosus nectar and pollen samples that were taken within a timeframe of two to seven days after the application on the crop as a desiccant. No glyphosate was detected when the application took place before or more than two months prior to our sampling in any of the evaluated matrices. The metabolite AMPA was not detected in any samples. To gain further insight into the potential extent of translocation within both plants and soil when a crop is desiccated using glyphosate before harvesting, and the potential impacts on bees, we recommend a longitudinal study of the presence and fate of glyphosate in non-target flowering plants growing nearby crop fields, over a period of several days after glyphosate application.
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Affiliation(s)
- Elena Zioga
- Botany, School of Natural Sciences, Trinity College Dublin, Dublin 2, Ireland
| | - Blánaid White
- School of Chemical Sciences, DCU Water Institute, Dublin City University, Dublin 9, Ireland
| | - Jane C. Stout
- Botany, School of Natural Sciences, Trinity College Dublin, Dublin 2, Ireland
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Thompson LJ, Smith S, Stout JC, White B, Zioga E, Stanley DA. Bumblebees can be Exposed to the Herbicide Glyphosate when Foraging. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2603-2612. [PMID: 35866464 PMCID: PMC9804218 DOI: 10.1002/etc.5442] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/10/2022] [Accepted: 07/19/2022] [Indexed: 05/23/2023]
Abstract
Herbicides are the most widely used pesticides globally. Although used to control weeds, they may also pose a risk to bee health. A key knowledge gap is how bees could be exposed to herbicides in the environment, including whether they may forage on treated plants before they die. We used a choice test to determine if bumblebees would forage on plants treated with glyphosate at two time periods after treatment. We also determined whether glyphosate and its degradation product aminomethylphosphonic acid were present as residues in the pollen collected by the bees while foraging. Finally, we explored if floral resources (nectar and pollen) remained present in plants after herbicide treatment. In general bees indiscriminately foraged on both plants treated with glyphosate and controls, showing no avoidance of treated plants. Although the time spent on individual flowers was slightly lower on glyphosate treated plants, this did not affect the bees' choice overall. We found that floral resources remained present in plants for at least 5 days after lethal treatment with glyphosate and that glyphosate residues were present in pollen for at least 70 h posttreatment. Our results suggest that bees could be exposed to herbicide in the environment, both topically and orally, by foraging on plants in the period between herbicide treatment and death. Identifying this route of exposure is a first step in understanding the risks of herbicides to bees. The effects of herbicides on bees themselves are uncertain and warrant further investigation to allow full risk assessment of these compounds to pollinating insects. Environ Toxicol Chem 2022;41:2603-2612. © 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
- Linzi J. Thompson
- School of Agriculture and Food Science, University College DublinDublinIreland
- Earth InstituteUniversity College DublinDublinIreland
| | - Stephen Smith
- School of Agriculture and Food Science, University College DublinDublinIreland
- Earth InstituteUniversity College DublinDublinIreland
| | - Jane C. Stout
- School of Natural Sciences, Trinity College DublinDublinIreland
| | - Blánaid White
- School of Chemical Sciences and DCU Water InstituteDublin City UniversityDublinIreland
| | - Elena Zioga
- School of Natural Sciences, Trinity College DublinDublinIreland
- School of Chemical Sciences and DCU Water InstituteDublin City UniversityDublinIreland
| | - Dara A. Stanley
- School of Agriculture and Food Science, University College DublinDublinIreland
- Earth InstituteUniversity College DublinDublinIreland
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Hansted L, Crocoll C, Bitarafan Z, Andreasen C. Clopyralid applied to winter oilseed rape (Brassica napus L.) contaminates the food products nectar, honey and pollen. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.109124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Method of Glyphosate, AMPA, and Glufosinate Ammonium Determination in Beebread by Liquid Chromatography-Tandem Mass Spectrometry after Molecularly Imprinted Solid-Phase Extraction. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27175741. [PMID: 36080506 PMCID: PMC9457744 DOI: 10.3390/molecules27175741] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/02/2022] [Accepted: 09/04/2022] [Indexed: 11/16/2022]
Abstract
The aim of this study was to develop a method for the determination of glyphosate, its metabolite aminomethylphosphonic acid (AMPA), and glufosinate ammonium residues in beebread samples, which could then be used to assess bees' exposure to their residues. The complexity of beebread's matrix, combined with the specific properties of glyphosate itself, required careful selection and optimization of each analysis step. The use of molecularly imprinted solid-phase extraction (MIP-SPE) by AFFINIMIP glyphosate as an initial clean-up step significantly eliminated matrix components and ensured an efficient derivatization step. Colorless beebread extracts were derivatized by the addition of 9-fluorenylmethyl chloroformate (FMOC-Cl). After derivatization, in order to remove FMOC-OH and residual borate buffer, a solid-phase extraction (SPE) clean-up step using Oasis HLB was carried out. Instrumental analysis was performed by liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS). The method was validated according to the SANTE/11312/2021 guideline at concentrations of 5, 10, and 100 µg/kg, and satisfactory recovery (trueness) values (76-111%) and precision (RSDr) ≤ 18% were obtained. The limit of quantification (LOQ) was 5 µg/kg for AMPA and glufosinate ammonium and 10 µg/kg for glyphosate. The method was positively verified by the international proficiency test. Analysis of beebread samples showed the method's usefulness in practice. The developed method could be a reliable tool for the assessment of beebread's contamination with residues of glyphosate, its metabolite AMPA, and glufosinate ammonium.
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Rondeau S, Raine NE. Fungicides and bees: a review of exposure and risk. ENVIRONMENT INTERNATIONAL 2022; 165:107311. [PMID: 35714526 DOI: 10.1016/j.envint.2022.107311] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 04/03/2022] [Accepted: 05/16/2022] [Indexed: 06/15/2023]
Abstract
Fungicides account for more than 35% of the global pesticide market and their use is predicted to increase in the future. While fungicides are commonly applied during bloom when bees are likely foraging on crops, whether real-world exposure to these chemicals - alone or in combination with other stressors - constitutes a threat to the health of bees is still the subject of great uncertainty. The first step in estimating the risks of exposure to fungicides for bees is to understand how and to what extent bees are exposed to these active ingredients. Here we review the current knowledge that exists about exposure to fungicides that bees experience in the field, and link quantitative data on exposure to acute and chronic risk of lethal endpoints for honey bees (Apis mellifera). From the 702 publications we screened, 76 studies contained quantitative data on residue detections in honey bee matrices, and a further 47 provided qualitative information about exposure for a range of bee taxa through various routes. We compiled data for 90 fungicides and metabolites that have been detected in honey, beebread, pollen, beeswax, and the bodies of honey bees. The risks posed to honey bees by fungicide residues was estimated through the EPA Risk Quotient (RQ) approach. Based on residue concentrations detected in honey and pollen/beebread, none of the reported fungicides exceeded the levels of concern (LOC) set by regulatory agencies for acute risk, while 3 and 12 fungicides exceeded the European Food Safety Authority (EFSA) chronic LOC for honey bees and wild bees, respectively. When considering exposure to all bees, fungicides of most concern include many broad-spectrum systemic fungicides, as well as the widely used broad-spectrum contact fungicide chlorothalonil. In addition to providing a detailed overview of the frequency and extent of fungicide residue detections in the bee environment, we identified important research gaps and suggest future directions to move towards a more comprehensive understanding and mitigation of the risks of exposure to fungicides for bees, including synergistic risks of co-exposure to fungicides and other pesticides or pathogens.
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Affiliation(s)
- Sabrina Rondeau
- School of Environmental Sciences, University of Guelph, 50 Stone Road East Guelph, Ontario N1G 2W1, Canada.
| | - Nigel E Raine
- School of Environmental Sciences, University of Guelph, 50 Stone Road East Guelph, Ontario N1G 2W1, Canada
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Mahdavi V, Eslami Z, Omidvari Z, Rezadoost H, Thai VN, Fakhri Y. Carcinogenic and non-carcinogenic risk assessment induced by pesticide residues in honey of Iran based on Monte Carlo simulation. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104521] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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18
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Pal E, Almasri H, Paris L, Diogon M, Pioz M, Cousin M, Sené D, Tchamitchian S, Tavares DA, Delbac F, Blot N, Brunet JL, Belzunces LP. Toxicity of the Pesticides Imidacloprid, Difenoconazole and Glyphosate Alone and in Binary and Ternary Mixtures to Winter Honey Bees: Effects on Survival and Antioxidative Defenses. TOXICS 2022; 10:toxics10030104. [PMID: 35324729 PMCID: PMC8954695 DOI: 10.3390/toxics10030104] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 02/21/2022] [Indexed: 02/05/2023]
Abstract
To explain losses of bees that could occur after the winter season, we studied the effects of the insecticide imidacloprid, the herbicide glyphosate and the fungicide difenoconazole, alone and in binary and ternary mixtures, on winter honey bees orally exposed to food containing these pesticides at concentrations of 0, 0.01, 0.1, 1 and 10 µg/L. Attention was focused on bee survival, food consumption and oxidative stress. The effects on oxidative stress were assessed by determining the activity of enzymes involved in antioxidant defenses (superoxide dismutase, catalase, glutathione-S-transferase, glutathione reductase, glutathione peroxidase and glucose-6-phosphate dehydrogenase) in the head, abdomen and midgut; oxidative damage reflected by both lipid peroxidation and protein carbonylation was also evaluated. In general, no significant effect on food consumption was observed. Pesticide mixtures were more toxic than individual substances, and the highest mortalities were induced at intermediate doses of 0.1 and 1 µg/L. The toxicity was not always linked to the exposure level and the number of substances in the mixtures. Mixtures did not systematically induce synergistic effects, as antagonism, subadditivity and additivity were also observed. The tested pesticides, alone and in mixtures, triggered important, systemic oxidative stress that could largely explain pesticide toxicity to honey bees.
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Affiliation(s)
- Elisa Pal
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Hanine Almasri
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Laurianne Paris
- CNRS, Laboratoire Microorganismes, Génome et Environnement, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (L.P.); (M.D.); (F.D.); (N.B.)
| | - Marie Diogon
- CNRS, Laboratoire Microorganismes, Génome et Environnement, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (L.P.); (M.D.); (F.D.); (N.B.)
| | - Maryline Pioz
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Marianne Cousin
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Déborah Sené
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Sylvie Tchamitchian
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Daiana Antonia Tavares
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Frédéric Delbac
- CNRS, Laboratoire Microorganismes, Génome et Environnement, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (L.P.); (M.D.); (F.D.); (N.B.)
| | - Nicolas Blot
- CNRS, Laboratoire Microorganismes, Génome et Environnement, Université Clermont Auvergne, F-63000 Clermont-Ferrand, France; (L.P.); (M.D.); (F.D.); (N.B.)
| | - Jean-Luc Brunet
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
| | - Luc P. Belzunces
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France; (E.P.); (H.A.); (M.P.); (M.C.); (D.S.); (S.T.); (D.A.T.); (J.-L.B.)
- Correspondence: ; Tel.: +33-(0)43272-2604
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Raimets R, Naudi S, Mänd M, Bartkevičs V, Smagghe G, Karise R. Translocation of Tebuconazole between Bee Matrices and Its Potential Threat on Honey Bee (Apis mellifera Linnaeus) Queens. INSECTS 2021; 13:insects13010045. [PMID: 35055888 PMCID: PMC8781852 DOI: 10.3390/insects13010045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 10/28/2021] [Revised: 12/02/2021] [Accepted: 12/29/2021] [Indexed: 11/26/2022]
Abstract
Simple Summary Numerous pesticide residues have been found in bee products. It is unclear whether and to what degree pesticides migrate between different bee matrices. Even though the use of many common insecticides is strictly regulated, fungicide residues are still ubiquitous in bee matrices and data regarding this problem are still insufficient. The aim of this work was to determine the migration of fungicide tebuconazole between bee matrices and to assess its potential risk to honey bee queens. We found that tebuconazole mixed into wax has the potential to migrate into royal jelly (RJ), but no residues were found in honey bee queen larvae and newly emerged queens. The residues of tebuconazole found in queen cell cups and RJ decreased over time and probably posed no direct lethal threat to queens. Nevertheless, sub-lethal effects of tebuconazole on honey bee queens might occur even at low concentrations. Abstract Various pesticide residues can be found in different bee colony components. The queen larvae of honey bee (Apis mellifera L.) receive non-contaminated food from nurse bees. However, there is little knowledge about how pesticide residues affect developing bees. Additionally, little is known about the migration of lipophilic pesticides between bee matrices. While wax, royal jelly (RJ), and bee larvae are chemically distinct, they all contain lipids and we expected the lipophilic fungicide tebuconazole to be absorbed by different contacting materials. Our aim was to analyze the translocation of tebuconazole residues from queen cell wax to RJ, queen larvae, and newly emerged queens and to evaluate its potential risk to queens. We demonstrated the potential for the migration of tebuconazole from wax to RJ, with a strong dilution effect from the original contamination source. No residues were detected in queen bee larvae and newly emerged queens, indicating that the migration of tebuconazole probably did not directly endanger the queen bee, but there was some risk that tebuconazole might still affect the homeostasis of developing bees.
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Affiliation(s)
- Risto Raimets
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, F. R. Kreutzwaldi 1, 51006 Tartu, Estonia; (S.N.); (M.M.); (R.K.)
- Correspondence: or ; Tel.: +372-58453095
| | - Sigmar Naudi
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, F. R. Kreutzwaldi 1, 51006 Tartu, Estonia; (S.N.); (M.M.); (R.K.)
| | - Marika Mänd
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, F. R. Kreutzwaldi 1, 51006 Tartu, Estonia; (S.N.); (M.M.); (R.K.)
| | - Vadims Bartkevičs
- Institute of Food Safety, Animal Health and Environment “BIOR”, Lejupes Street 3, LV-1076 Riga, Latvia;
| | - Guy Smagghe
- Department of Plants and Crops, Ghent University, B-9000 Ghent, Belgium;
| | - Reet Karise
- Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, F. R. Kreutzwaldi 1, 51006 Tartu, Estonia; (S.N.); (M.M.); (R.K.)
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20
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Soares D, Silva L, Duarte S, Pena A, Pereira A. Glyphosate Use, Toxicity and Occurrence in Food. Foods 2021; 10:2785. [PMID: 34829065 PMCID: PMC8622992 DOI: 10.3390/foods10112785] [Citation(s) in RCA: 37] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/03/2021] [Accepted: 11/07/2021] [Indexed: 01/20/2023] Open
Abstract
Glyphosate is a systemic, broad-spectrum and post-emergent herbicide. The use of glyphosate has grown in the last decades, and it is currently the most used herbicide worldwide. The rise of glyphosate consumption over the years also brought an increased concern about its possible toxicity and consequences for human health. However, a scientific community consensus does not exist at the present time, and glyphosate's safety and health consequences are controversial. Since glyphosate is mainly applied in fields and can persist several months in the soil, concerns have been raised about the impact that its presence in food can cause in humans. Therefore, this work aims to review the glyphosate use, toxicity and occurrence in diverse food samples, which, in certain cases, occurs at violative levels. The incidence of glyphosate at levels above those legally allowed and the suspected toxic effects of this compound raise awareness regarding public health.
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Affiliation(s)
- Diogo Soares
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
| | - Liliana Silva
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
| | - Sofia Duarte
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
- Vasco da Gama Research Center, Escola Universitária Vasco da Gama, 3020-210 Coimbra, Portugal
| | - Angelina Pena
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
| | - André Pereira
- LAQV, REQUIMTE, Laboratory of Bromatology and Pharmacognosy, Faculty of Pharmacy, University of Coimbra, Polo III, Azinhaga de Stª Comba, 3000-548 Coimbra, Portugal; (D.S.); (L.S.); (S.D.); (A.P.)
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21
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El-Nahhal Y, El-Nahhal I. Cardiotoxicity of some pesticides and their amelioration. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:44726-44754. [PMID: 34231153 DOI: 10.1007/s11356-021-14999-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 06/15/2021] [Indexed: 06/13/2023]
Abstract
Pesticides are used to control pests that harm plants, animals, and humans. Their application results in the contamination of the food and water systems. Pesticides may cause harm to the human body via occupational exposure or the ingestion of contaminated food and water. Once a pesticide enters the human body, it may create health consequences such as cardiotoxicity. There is not enough information about pesticides that cause cardiotoxicity in the literature. Currently, there are few reports that summarized the cardiotoxicity due to some pesticide groups. This necessitates reviewing the current literature regarding pesticides and cardiotoxicity and to summarize them in a concrete review. The objectives of this review article were to summarize the advances in research related to pesticides and cardiotoxicity, to classify pesticides into certain groups according to cardiotoxicity, to discuss the possible mechanisms of cardiotoxicity, and to present the agents that ameliorate cardiotoxicity. Approximately 60 pesticides were involved in cardiotoxicity: 30, 13, and 17 were insecticides, herbicides, and fungicides, respectively. The interesting outcome of this study is that 30 and 13 pesticides from toxicity classes II and III, respectively, are involved in cardiotoxicity. The use of standard antidotes for pesticide poisoning shows health consequences among users. Alternative safe medical management is the use of cardiotoxicity-ameliorating agents. This review identifies 24 ameliorating agents that were successfully used to manage 60 cases. The most effective agents were vitamin C, curcumin, vitamin E, quercetin, selenium, chrysin, and garlic extract. Vitamin C showed ameliorating effects in a wide range of toxicities. The exposure mode to pesticide residues, where 1, 2, 3, and 4 are aerial exposure to pesticide drift, home and/or office exposure, exposure due to drinking contaminated water, and consumption of contaminated food, respectively. General cardiotoxicity is represented by 5, whereas 6, 7, 8 and 9 are electrocardiogram (ECG) of hypotension due to exposure to OP residues, ECG of myocardial infraction due to exposure to OPs, ECG of hypertension due to exposure to OC and/or PY, and normal ECG respectively.
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Affiliation(s)
- Yasser El-Nahhal
- Department of Earth and Environmental Science Faculty of Science, The Islamic University-Gaza, Gaza, Palestine.
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22
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Almasri H, Tavares DA, Tchamitchian S, Pélissier M, Sené D, Cousin M, Brunet JL, Belzunces LP. Toxicological status changes the susceptibility of the honey bee Apis mellifera to a single fungicidal spray application. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:42807-42820. [PMID: 33822299 DOI: 10.1007/s11356-021-13747-3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Accepted: 03/26/2021] [Indexed: 06/12/2023]
Abstract
During all their life stages, bees are exposed to residual concentrations of pesticides, such as insecticides, herbicides, and fungicides, stored in beehive matrices. Fungicides are authorized for use during crop blooms because of their low acute toxicity to honey bees. Thus, a bee that might have been previously exposed to pesticides through contaminated food may be subjected to fungicide spraying when it initiates its first flight outside the hive. In this study, we assessed the effects of acute exposure to the fungicide in bees with different toxicological statuses. Three days after emergence, bees were subjected to chronic exposure to the insecticide imidacloprid and the herbicide glyphosate, either individually or in a binary mixture, at environmental concentrations of 0.01 and 0.1 μg/L in food (0.0083 and 0.083 μg/kg) for 30 days. Seven days after the beginning of chronic exposure to the pesticides (10 days after emergence), the bees were subjected to spraying with the fungicide difenoconazole at the registered field dosage. The results showed a delayed significant decrease in survival when honey bees were treated with the fungicide. Fungicide toxicity increased when honey bees were chronically exposed to glyphosate at the lowest concentration, decreased when they were exposed to imidacloprid, and did not significantly change when they were exposed to the binary mixture regardless of the concentration. Bees exposed to all of these pesticide combinations showed physiological disruptions, revealed by the modulation of several life history traits related mainly to metabolism, even when no effect of the other pesticides on fungicide toxicity was observed. These results show that the toxicity of active substances may be misestimated in the pesticide registration procedure, especially for fungicides.
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Affiliation(s)
- Hanine Almasri
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Daiana Antonia Tavares
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Sylvie Tchamitchian
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Michel Pélissier
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Déborah Sené
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Marianne Cousin
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Jean-Luc Brunet
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France
| | - Luc P Belzunces
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000, Avignon, France.
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, CS 40509, 84914, Avignon Cedex 9, France.
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Enantioselective inhibition of human CYP2C19 by the chiral pesticide ethofumesate: Prediction of pesticide-drug interactions in humans. Chem Biol Interact 2021; 345:109552. [PMID: 34147487 DOI: 10.1016/j.cbi.2021.109552] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Revised: 05/20/2021] [Accepted: 06/08/2021] [Indexed: 11/20/2022]
Abstract
Ethofumesate is a chiral herbicide that may display enantioselective behavior in humans. For this reason, the enantioselective potential of ethofumesate and its main metabolite ethofumesate-2-hydroxy to cause pesticide-drug interactions on cytochrome P450 forms (CYPs) has been evaluated by using human liver microsomes. Among the evaluated CYPs, CYP2C19 had its activity decreased by the ethofumesate racemic mixture (rac-ETO), (+)-ethofumesate ((+)-ETO), and (-)-ethofumesate ((-)-ETO). CYP2C19 inhibition was not time-dependent, but a strong inhibition potential was observed for rac-ETO (IC50 = 5 ± 1 μmol L-1), (+)-ETO (IC50 = 1.6 ± 0.4 μmol L-1), and (-)-ETO (IC50 = 1.8 ± 0.4 μmol L-1). The reversible inhibition mechanism was competitive, and the inhibition constant (Ki) values for rac-ETO (2.6 ± 0.4 μmol L-1), (+)-ETO (1.5 ± 0.2 μmol L-1), and (-)-ETO (0.7 ± 0.1 μmol L-1) were comparable to the Ki values of strong CYP2C19 inhibitors. Inhibition of CYP2C19 by ethofumesate was enantioselective, being almost twice higher for (-)-ETO than for (+)-ETO, which indicates that this enantiomer may be a more potent inhibitor of this CYP form. For an in vitro-in vivo correlation, the Food and Drug Administration's (FDA) guideline on the assessment of drug-drug interactions used in the early stages of drug development was used. The FDA's R1 values were estimated on the basis of the obtained ethofumesate Ki and distribution volume, metabolism, unbound plasma fraction, gastrointestinal and dermal absorption data available in the literature. The correlation revealed that ethofumesate probably inhibits CYP2C19 in vivo for both chronic (oral) and occupational (dermal) exposure scenarios.
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Naudi S, Šteiselis J, Jürison M, Raimets R, Tummeleht L, Praakle K, Raie A, Karise R. Variation in the Distribution of Nosema Species in Honeybees ( Apis mellifera Linnaeus) between the Neighboring Countries Estonia and Latvia. Vet Sci 2021; 8:vetsci8040058. [PMID: 33915951 PMCID: PMC8066546 DOI: 10.3390/vetsci8040058] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/22/2021] [Accepted: 03/30/2021] [Indexed: 02/04/2023] Open
Abstract
The unicellular spore-forming parasites Nosema apis and Nosema ceranae are considered to be one of the causes of increased honey bee mortality in recent years. These pathogens attack their honey bee hosts through their gut, causing changes in behavioral stress responses and possibly resulting in decreased honey yield and increased honey bee mortality. The present study aimed to determine the prevalence of Nosema spp. (nosemosis) in Estonia and Latvia, as well as the persistence of the disease in previously infected hives. Currently, N. ceranae is considered the most virulent species and is predominant worldwide. However, in some regions, usually with colder climates, N. apis is still prevalent. To achieve better disease control, it is important to determine the species distribution. For this purpose, we selected 30 apiaries in Estonia and 60 in Latvia that were positive for Nosema spp. in the EPILOBEE (2012–2014) study, which was 5 years prior to the present study. The results show that, while both species are present in Estonia and Latvia, N. apis is dominant in Estonia (43%), and N. ceranae is dominant in Latvia (47%). We also found that the pathogens are very persistent, since 5 years later, only 33% of infected apiaries in Estonia and 20% of infected apiaries in Latvia, we could not detect any pathogens at the time of sampling.
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Affiliation(s)
- Sigmar Naudi
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Friedrich Reinhold Kreutzwaldi 1a, 51014 Tartu, Estonia; (M.J.); (R.R.); (R.K.)
- Correspondence: ; Tel.: +372-5688-4696
| | - Juris Šteiselis
- Latvian Beekeepers Association, Rīgas iela 22, LV-3004 Jelgava, Latvia;
| | - Margret Jürison
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Friedrich Reinhold Kreutzwaldi 1a, 51014 Tartu, Estonia; (M.J.); (R.R.); (R.K.)
| | - Risto Raimets
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Friedrich Reinhold Kreutzwaldi 1a, 51014 Tartu, Estonia; (M.J.); (R.R.); (R.K.)
| | - Lea Tummeleht
- Institute of Veterinary Medicine & Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 62, 51006 Tartu, Estonia; (L.T.); (K.P.)
| | - Kristi Praakle
- Institute of Veterinary Medicine & Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 62, 51006 Tartu, Estonia; (L.T.); (K.P.)
| | - Arvi Raie
- Estonian Ministry of Rural Affairs, Lai tn 39, 15056 Tallinn, Estonia;
| | - Reet Karise
- Chair of Plant Health, Institute of Agricultural and Environmental Sciences, Estonian University of Life Sciences, Friedrich Reinhold Kreutzwaldi 1a, 51014 Tartu, Estonia; (M.J.); (R.R.); (R.K.)
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Kivima E, Tanilas K, Martverk K, Rosenvald S, Timberg L, Laos K. The Composition, Physicochemical Properties, Antioxidant Activity, and Sensory Properties of Estonian Honeys. Foods 2021; 10:foods10030511. [PMID: 33804333 PMCID: PMC8002063 DOI: 10.3390/foods10030511] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Revised: 02/11/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022] Open
Abstract
Thirty honey samples from different regions of Estonia were investigated to determine the chemical compositions, physicochemical properties, bioactive compounds, and sensory characteristics of typical honeys from a northern climate. The physicochemical parameters, such as electrical conductivity, moisture content, free acidity, hydroxymethylfurfural, diastase, and invertase activity were measured. The color was measured and expressed by L*-, a*-, and b*-coordinates. Sensory parameters were determined by using “fruity”, “floral”, “berry-like”, “herbal”, “woody”, “spicy”, “sweet”, and “animal-like” as the main odor and flavor attributes. The total polyphenol and flavonoid contents were in the range of 26.2–88.7 mg gallic acid equivalents (GAE) per 100 g and 1.9–6.4 mg quercetin equivalents (QE) per 100 g, respectively. The identified polyphenols showed the highest intensities of caffeic acid, coumaric acid, and abscisic acid and its derivatives. The protocatechuic acid intensity was highest in honeys containing traces of honeydew elements and of cinnamic acid and myricetin in heather honey. The water-soluble antioxidant values were 37.8–311.2 mg ascorbic acid equivalents (AAE) per 100 g and the lipid soluble antioxidant values were 14.4–60.7 mg Trolox equivalents (TE) per 100 g. The major amino acid in the analyzed honeys was proline, with variable values depending on the honey’s botanical source. Correlations were calculated based on the results obtained. It was revealed that the typical Estonian honey has floral, berry-like, sweet, and rather mild sensory characteristics. Most of the honeys lacked stronger spicy, woody, and animal-like attributes. The typical color of Estonian honey is quite light.
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Affiliation(s)
- Evelin Kivima
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia; (K.M.); (K.L.)
- Correspondence: ; Tel.: +372-53453131
| | - Kristel Tanilas
- Center of Food and Fermentation Technologies (CFFT), Akadeemia tee 15a, 12618 Tallinn, Estonia; (K.T.); (S.R.)
| | - Kaie Martverk
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia; (K.M.); (K.L.)
| | - Sirli Rosenvald
- Center of Food and Fermentation Technologies (CFFT), Akadeemia tee 15a, 12618 Tallinn, Estonia; (K.T.); (S.R.)
| | - Loreida Timberg
- Estonian Maritime Academy, Tallinn University of Technology, Kopli 101, 11712 Tallinn, Estonia;
| | - Katrin Laos
- Department of Chemistry and Biotechnology, Tallinn University of Technology, Akadeemia tee 15, 12618 Tallinn, Estonia; (K.M.); (K.L.)
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El-Nahhal Y. Pesticide residues in honey and their potential reproductive toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 741:139953. [PMID: 32599396 DOI: 10.1016/j.scitotenv.2020.139953] [Citation(s) in RCA: 69] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 06/11/2023]
Abstract
Honey is the sweet natural substance produced by honeybees. It may be contaminated with pesticide residues due to its intensive use. Almost no reviews have addressed pesticide residues in honey, calculated a hazard index or discussed their potential reproductive toxicity. The focus of this article is primarily to summarize advances in research related to pesticide residues, estimate daily intake of pesticide residues from consuming honey only and discuss the potential reproductive toxicity associated with those residues. The results showed that 92 pesticide residues were found in honey samples from 27 countries. Six residues belong to class IA toxicity, eight residues belong to class IB toxicity, 42 residues belong to class II, 35 residues belong to class III and one residue belong to class IV toxicity. The calculated hazard indices (HIs) suggest high potential health risk by consuming honey. In addition, residues found in honey are known to impair semen quality among exposed individuals and experimental animal models. In conclusion, consumption of honey as one of many food items contaminated with pesticide residues may induce male and female reproductive toxicity in consumers.
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Affiliation(s)
- Yasser El-Nahhal
- Environmental Chemistry and Toxicology, Faculty of Science, The Islamic University-Gaza, Palestine.
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27
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Odemer R, Alkassab AT, Bischoff G, Frommberger M, Wernecke A, Wirtz IP, Pistorius J, Odemer F. Chronic High Glyphosate Exposure Delays Individual Worker Bee ( Apis mellifera L.) Development under Field Conditions. INSECTS 2020; 11:E664. [PMID: 32992639 PMCID: PMC7600025 DOI: 10.3390/insects11100664] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Accepted: 09/25/2020] [Indexed: 01/08/2023]
Abstract
The ongoing debate about glyphosate-based herbicides (GBH) and their implications for beneficial arthropods gives rise to controversy. This research was carried out to cover possible sublethal GBH effects on the brood and colony development, adult survival, and overwintering success of honey bees (Apis mellifera L.) under field conditions. Residues in bee relevant matrices, such as nectar, pollen, and plants, were additionally measured. To address these questions, we adopted four independent study approaches. For brood effects and survival, we orally exposed mini-hives housed in the "Kieler mating-nuc" system to sublethal concentrations of 4.8 mg glyphosate/kg (T1, low) and 137.6 mg glyphosate/kg (T2, high) over a period of one brood cycle (21 days). Brood development and colony conditions were assessed after a modified OECD method (No. 75). For adult survival, we weighed and labeled freshly emerged workers from control and exposed colonies and introduced them into non-contaminated mini-hives to monitor their life span for 25 consecutive days. The results from these experiments showed a trivial effect of GBH on colony conditions and the survival of individual workers, even though the hatching weight was reduced in T2. The brood termination rate (BTR) in the T2 treatment, however, was more than doubled (49.84%) when compared to the control (22.11%) or T1 (20.69%). This was surprising as T2 colonies gained similar weight and similar numbers of bees per colony compared to the control, indicating an equal performance. Obviously, the brood development in T2 was not "terminated" as expected by the OECD method terminology, but rather "slowed down" for an unknown period of time. In light of these findings, we suggest that chronic high GBH exposure is capable of significantly delaying worker brood development, while no further detrimental effects seem to appear at the colony level. Against this background, we discuss additional results and possible consequences of GBH for honey bee health.
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Affiliation(s)
- Richard Odemer
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 38104 Braunschweig, Germany; (A.T.A.); (M.F.); (A.W.); (I.P.W.); (J.P.)
| | - Abdulrahim T. Alkassab
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 38104 Braunschweig, Germany; (A.T.A.); (M.F.); (A.W.); (I.P.W.); (J.P.)
| | - Gabriela Bischoff
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 14195 Berlin, Germany;
| | - Malte Frommberger
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 38104 Braunschweig, Germany; (A.T.A.); (M.F.); (A.W.); (I.P.W.); (J.P.)
| | - Anna Wernecke
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 38104 Braunschweig, Germany; (A.T.A.); (M.F.); (A.W.); (I.P.W.); (J.P.)
| | - Ina P. Wirtz
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 38104 Braunschweig, Germany; (A.T.A.); (M.F.); (A.W.); (I.P.W.); (J.P.)
| | - Jens Pistorius
- Institute for Bee Protection, Julius Kühn-Institut (JKI), Federal Research Centre for Cultivated Plants, 38104 Braunschweig, Germany; (A.T.A.); (M.F.); (A.W.); (I.P.W.); (J.P.)
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An ecologically correct electroanalytical method to determine the herbicide Picloram in Amazon waters using a miniaturized boron-doped diamond electrode and a 3D compact electrochemical cell. CHEMICAL PAPERS 2020. [DOI: 10.1007/s11696-020-01357-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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29
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Ledoux ML, Hettiarachchy N, Yu X, Howard L, Lee SO. Penetration of glyphosate into the food supply and the incidental impact on the honey supply and bees. Food Control 2020. [DOI: 10.1016/j.foodcont.2019.106859] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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30
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Blaga GV, Chițescu CL, Lisă EL, Dumitru C, Vizireanu C, Borda D. Antifungal residues analysis in various Romanian honey samples analysis by high resolution mass spectrometry. JOURNAL OF ENVIRONMENTAL SCIENCE AND HEALTH. PART. B, PESTICIDES, FOOD CONTAMINANTS, AND AGRICULTURAL WASTES 2020; 55:484-494. [PMID: 32022645 DOI: 10.1080/03601234.2020.1724016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Given that the pesticide and fungicide residues determination in honey is not a routine analysis in Romania, information on these emerging contaminants is useful for consumer's safety. High resolution mass spectrometry technique was applied by Q-Exactive Orbitrap LC-MS/MS to identify and quantify environmental contaminants in honey. A list of 25 compounds, biocides and antifungals was selected for the method development, based on the occurrence in the Romanian environment and their potential usage in agriculture. The method was applied for 18 various honey samples collected in different geographic regions of Romania. Eleven compounds were present in the honey samples: carbendazim, enilconazole, hexaconazole, penconazole, tebuconazole, flusilazole, thiabendazole, terconazole, cyproconazole, propiconazole, metalaxyl. Targeted MS/MS analyses were performed for confirmation. The measured quantities ranged from 1.7-7.2 μg kg-1, lower than MRLs established by the legislation. The most abundant compound was enilconazole (imazalil), which was detected in fourteen samples. To the best of our knowledge, the present study is the first one concerning antifungal contamination of honey in Romania. The results proved that the tested honey samples are safe for human consumption.
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Affiliation(s)
| | - Carmen Lidia Chițescu
- Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galaţi, Galaţi, Romania
| | - Elena Lăcrămioara Lisă
- Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galaţi, Galaţi, Romania
| | - Caterina Dumitru
- Faculty of Medicine and Pharmacy, "Dunarea de Jos" University of Galaţi, Galaţi, Romania
| | - Camelia Vizireanu
- Faculty of Food Science and Engineering, "Dunarea de Jos" University of Galaţi, Galaţi, Romania
| | - Daniela Borda
- Faculty of Food Science and Engineering, "Dunarea de Jos" University of Galaţi, Galaţi, Romania
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31
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Raimets R, Bontšutšnaja A, Bartkevics V, Pugajeva I, Kaart T, Puusepp L, Pihlik P, Keres I, Viinalass H, Mänd M, Karise R. Pesticide residues in beehive matrices are dependent on collection time and matrix type but independent of proportion of foraged oilseed rape and agricultural land in foraging territory. CHEMOSPHERE 2020; 238:124555. [PMID: 31454746 DOI: 10.1016/j.chemosphere.2019.124555] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 08/05/2019] [Accepted: 08/09/2019] [Indexed: 06/10/2023]
Abstract
Pesticide residues in bee products is still a major issue. However, the relations to botanical source and land use characteristics are not clear. The large variability of residues detected questions the suitability of bee-collected- and other hive materials as indicators for environmental contamination. The aim of our study was to clarify whether different beehive matrices contain similar pesticide residues, and how these are correlated with forage preferences and land use types in foraging areas. We tested bee-collected pollen, beebread, honey, nurse bees and honey bee larvae for the presence of concurrently used agricultural pesticides in Estonia. Samples were collected at the end of May and mid-July to include the main crop in northern region - winter and spring oilseed rape (Brassica napus). We saw that different beehive matrices contained various types of pesticide residues in different proportions: pollen and beebread tended to contain more insecticides and fungicides, whereas herbicides represented the primary contaminant in honey. The variations were related to collection year and time but were not related to crops as basic forage resource nor the land use type. We found few positive correlations between amount of pesticides and proportion of pollen from any particular plant family. None of these correlations were related to any land-use type. We conclude that pesticide residues in different honey bee colony components vary largely in amount and composition. The occurrence rate of pesticide residues was not linked to any particular crop.
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Affiliation(s)
- Risto Raimets
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian Univesity of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia.
| | - Anna Bontšutšnaja
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian Univesity of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Vadims Bartkevics
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes Street 3, Riga, LV-1076, Latvia
| | - Iveta Pugajeva
- Institute of Food Safety, Animal Health and Environment "BIOR", Lejupes Street 3, Riga, LV-1076, Latvia
| | - Tanel Kaart
- Department of Animal Genetics and Breeding, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Liisa Puusepp
- School of Natural Sciences and Health, Institute of Ecology, Tallinn University, Uus-Sadama 5, 10120, Tallinn, Estonia
| | - Priit Pihlik
- Department of Animal Genetics and Breeding, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Indrek Keres
- Department of Field Crops and Grassland Husbandry, Institute of Agricultural and Environmental Sciences, Estonian Univesity of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Haldja Viinalass
- Department of Animal Genetics and Breeding, Institute of Veterinary Medicine and Animal Sciences, Estonian University of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Marika Mänd
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian Univesity of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
| | - Reet Karise
- Department of Plant Protection, Institute of Agricultural and Environmental Sciences, Estonian Univesity of Life Sciences, Kreutzwaldi 1, 51014, Tartu, Estonia
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32
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Gaweł M, Kiljanek T, Niewiadowska A, Semeniuk S, Goliszek M, Burek O, Posyniak A. Determination of neonicotinoids and 199 other pesticide residues in honey by liquid and gas chromatography coupled with tandem mass spectrometry. Food Chem 2019; 282:36-47. [DOI: 10.1016/j.foodchem.2019.01.003] [Citation(s) in RCA: 62] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Revised: 12/31/2018] [Accepted: 01/01/2019] [Indexed: 12/18/2022]
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Blot N, Veillat L, Rouzé R, Delatte H. Glyphosate, but not its metabolite AMPA, alters the honeybee gut microbiota. PLoS One 2019; 14:e0215466. [PMID: 30990837 PMCID: PMC6467416 DOI: 10.1371/journal.pone.0215466] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2018] [Accepted: 04/02/2019] [Indexed: 12/24/2022] Open
Abstract
The honeybee (Apis mellifera) has to cope with multiple environmental stressors, especially pesticides. Among those, the herbicide glyphosate and its main metabolite, the aminomethylphosphonic acid (AMPA), are among the most abundant and ubiquitous contaminant in the environment. Through the foraging and storing of contaminated resources, honeybees are exposed to these xenobiotics. As ingested glyphosate and AMPA are directly in contact with the honeybee gut microbiota, we used quantitative PCR to test whether they could induce significant changes in the relative abundance of the major gut bacterial taxa. Glyphosate induced a strong decrease in Snodgrassella alvi, a partial decrease of a Gilliamella apicola and an increase in Lactobacillus spp. abundances. In vitro, glyphosate reduced the growth of S. alvi and G. apicola but not Lactobacillus kunkeei. Although being no bee killer, we confirmed that glyphosate can have sublethal effects on the honeybee microbiota. To test whether such imbalanced microbiota could favor pathogen development, honeybees were exposed to glyphosate and to spores of the intestinal parasite Nosema ceranae. Glyphosate did not significantly enhance the effect of the parasite infection. Concerning AMPA, while it could reduce the growth of G. apicola in vitro, it did not induce any significant change in the honeybee microbiota, suggesting that glyphosate is the active component modifying the gut communities.
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Affiliation(s)
- Nicolas Blot
- Université Clermont Auvergne, CNRS, Laboratoire "Microorganismes: Génome et Environnement", Clermont–Ferrand, France
| | - Loïs Veillat
- Université Clermont Auvergne, CNRS, Laboratoire "Microorganismes: Génome et Environnement", Clermont–Ferrand, France
| | - Régis Rouzé
- Université Clermont Auvergne, CNRS, Laboratoire "Microorganismes: Génome et Environnement", Clermont–Ferrand, France
| | - Hélène Delatte
- CIRAD, UMR Peuplements Végétaux et Bio-agresseurs en Milieu Tropical, Pôle de Protection des Plantes, Saint-Pierre, France
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Thompson TS, van den Heever JP, Limanowka RE. Determination of glyphosate, AMPA, and glufosinate in honey by online solid-phase extraction-liquid chromatography-tandem mass spectrometry. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:434-446. [PMID: 30806173 DOI: 10.1080/19440049.2019.1577993] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 01/23/2019] [Indexed: 12/17/2022]
Abstract
A simple method was developed for the simultaneous determination of glyphosate, its main degradation product (aminomethylphosphonic acid), and glufosinate in honey. Aqueous honey solutions were derivatised offline prior to direct analysis of the target analytes using online solid-phase extraction coupled to liquid chromatography-tandem mass spectrometry. Using the developed procedure, accuracies ranging from 95.2% to 105.3% were observed for all analytes at fortification levels of 5, 50, and 150 μg kg-1 with intra-day precisions ranging from 1.6% to 7.2%. The limit of quantitation (LOQ) was 1 μg kg-1 for each analyte. Two hundred honey samples were analysed for the three analytes with AMPA and glyphosate being most frequently detected (99.0% and 98.5% of samples tested, respectively). The concentrations of glyphosate were found to range from <1 to 49.8 μg kg-1 while those of its degradation product ranged from <1 to 50.1 μg kg-1. The ratio of glyphosate to AMPA was found to vary significantly amongst the samples where both analytes were present above the LOQ. Glufosinate was detected in 125 of 200 samples up to a maximum concentration of 33.0 μg kg-1.
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Affiliation(s)
- Thomas S Thompson
- a Agri-Food Laboratories , Alberta Agriculture and Forestry , Edmonton , Alberta , Canada
| | - Johan P van den Heever
- a Agri-Food Laboratories , Alberta Agriculture and Forestry , Edmonton , Alberta , Canada
| | - Renata E Limanowka
- a Agri-Food Laboratories , Alberta Agriculture and Forestry , Edmonton , Alberta , Canada
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35
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Optimization and establishment of QuEChERS based method for determination of propoxycarbazone and its metabolite in food commodities by liquid chromatography coupled to tandem mass spectrometry. Food Chem 2019; 274:429-433. [DOI: 10.1016/j.foodchem.2018.08.135] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Revised: 08/27/2018] [Accepted: 08/30/2018] [Indexed: 11/20/2022]
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