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Pereira RC, Vieira Júnior JOL, Barcelos JVPL, Peçanha LS, França TA, Mendonça LVP, da Silva WR, Samuels RI, Silva GA. The stingless bee Trigona spinipes (Hymenoptera: Apidae) is at risk from a range of insecticides via direct ingestion and trophallactic exchanges. PEST MANAGEMENT SCIENCE 2024; 80:2188-2198. [PMID: 38158650 DOI: 10.1002/ps.7956] [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: 03/23/2023] [Revised: 12/04/2023] [Accepted: 12/30/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND The stingless bee, Trigona spinipes, is an important pollinator of numerous native and cultivated plants. Trigona spinipes populations can be negatively impacted by insecticides commonly used for pest control in crops. However, this species has been neglected in toxicological studies. Here we observed the effects of seven insecticides on the survival of bees that had fed directly on insecticide-contaminated food sources or received insecticides via trophallactic exchanges between nestmates. The effects of insecticides on flight behavior were also determined for the compounds considered to be of low toxicity. RESULTS Imidacloprid, spinosad and malathion were categorized as highly toxic to T. spinipes, whereas lambda-cyhalothrin, methomyl and chlorfenapyr were of medium to low toxicity and interfered with two aspects of flight behavior evaluated here. Chlorantraniliprole was the only insecticide tested here that had no significant effect on T. spinipes survival, although it did interfere with one aspect of flight capacity. A single bee that had ingested malathion, spinosad or imidacloprid, could contaminate three, four and nineteen other bees, respectively via trophallaxis, resulting in the death of the recipients. CONCLUSION This is the first study to evaluate the ecotoxicology of a range of insecticides that not only negatively affected T. spinipes survival, but also interfered with flight capacity, a very important aspect of pollination behavior. The toxicity of the insecticides was observed following direct ingestion and also via trophallactic exchanges between nestmates, highlighting the possibility of lethal effects of these insecticides spreading throughout the colony, reducing the survival of non-foraging individuals. © 2023 Society of Chemical Industry.
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Affiliation(s)
- Renata Cunha Pereira
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | - José Olívio Lopes Vieira Júnior
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | | | - Ludimila Simões Peçanha
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | - Thalles Alves França
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | - Laís Viana Paes Mendonça
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | - Wanderson Rosa da Silva
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | - Richard Ian Samuels
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
| | - Gerson Adriano Silva
- Laboratory of Entomology and Plant Pathology, Universidade Estadual Norte Fluminense Darcy Ribeiro (UENF), Rio de Janeiro, Brazil
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Zhi-Xiang D, Wan-Li L, Xi-Jie LI, Jia-Li L, Jun Z, Chong-Hui Z, Qi H, Zhe C, Yuan C, Hong-Mu Z, Jun G, Wen-Li T. Glyphosate exposure affected longevity-related pathways and reduced survival in asian honey bees (Apis cerana). CHEMOSPHERE 2024; 351:141199. [PMID: 38237785 DOI: 10.1016/j.chemosphere.2024.141199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/10/2024] [Accepted: 01/11/2024] [Indexed: 01/22/2024]
Abstract
Glyphosate (N-(phosphonomethyl)glycine, GLY) ranks among the most extensively used and effective herbicides globally. However, excessive GLY utilization poses a substantial threat to the survival of honey bees (Apis cerana). Here we monitored the survival status of A. cerana treated with GLY, and conducted transcriptome sequencing of the bee gut and head to further explore potential GLY influences at the molecular level. We observed that the mortality rate of bees increased as GLY concentration escalated. Pivotal pathways emerged in response to the GLY treatment, with a substantial number of differentially expressed genes enriched in the longevity regulating pathway - multiple species. This strongly suggested that GLY may influence the physiological behavior of bees by impacting this particular pathway. Moreover, our analysis revealed a notable reduction in the enzymatic activities of CYP450 and AChE in both the bee head and intestines of when exposed to GLY. Conversely, the enzymatic activity of superoxide dismutase (SOD) in the head remained unaffected, whereas in the intestines, it exhibited a significant increase. Additionally, prophenol oxidase (PPO) and glutathione-S-transferases (GSTs) displayed contrasting trends in enzymatic activity in both organs. This study offers valuable insights into how GLY impacted the survival of A. cerana.
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Affiliation(s)
- Dong Zhi-Xiang
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China; Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Li Wan-Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - L I Xi-Jie
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Li Jia-Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Zhang Jun
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Zhao Chong-Hui
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Huang Qi
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Cao Zhe
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Chen Yuan
- Pujia Life Technology (Fuzhou) Co., LTD, Fuzhou, 350018, China
| | - Zhao Hong-Mu
- Sericulture and Apiculture Research Institute, Yunnan Academy of Agriculutral Sciences, Mengzi, 661101, China.
| | - Guo Jun
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China.
| | - Tian Wen-Li
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China.
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Elbanna R, Osman KA, Salama MS. Biomarkers of oral subacute toxicity of deltamethrin in exposed male Albino rats. Toxicol Ind Health 2023; 39:735-753. [PMID: 37877786 DOI: 10.1177/07482337231209360] [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] [Indexed: 10/26/2023]
Abstract
Deltamethrin is one of the most effective pyrethroid compounds, widely employed in veterinary medicine, public health, and farming. Deltamethrin-triggered oxidative stress largely causes serious harm to an organism. Acute toxicity of this compound was extensively investigated, while less information is available on its oral sub-acute effects. This study assessed, in the male Albino rats, the effects of oral gavage of either 0.874 mg/kg (0.01 LD50) or 8.740 mg/kg (0.10 LD50) of deltamethrin for successive 14 days to investigate its effects on biomarkers and to detect the tissue injury in rats following subacute deltamethrin treatment. It was found that levels of glutathione peroxidase, superoxide dismutase, and catalase in the brain, kidney, and liver, alkaline phosphatase (ALP), and uric acid in serum, hematocrit, mean corpuscular volume (MCV), white blood cells (WBC)s, eosinophils, and basophils were significantly reduced compared with untreated rats. However, when rats were treated with deltamethrin for successive 14 days, alanine aminotransferase (ALT) and lactate dehydrogenase (LDH) activities in serum and the levels of thiobarbituric acid reactive substances (TBARs) in brain, kidney, and liver, red blood cell distribution width (RDW-CV), total protein, monocytes, and basophils and the ratios of neutrophils to lymphocytes, an aggregated marker of systemic inflammation and systemic immune inflammation indexes, significantly increased compared with the control group. Histologic lesions were observed in the liver, kidney, brain, testis, and epidemies in rats exposed to subacute deltamethrin for 14 days, and most tissues of rats treated with 0.10 LD50 of deltamethrin were more affected than those treated with 0.01 LD50. These findings strongly suggest that subacute exposure to deltamethrin caused significant systemic toxicity through oxidative stress resulting in biochemical and histological changes in the studied tissues. These findings highlight the potential harmful effects of deltamethrin and emphasize the importance of understanding the subacute effects of this compound, particularly in the context of veterinary medicine, public health, and farming.
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Affiliation(s)
- Rania Elbanna
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - Khaled A Osman
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - Maher S Salama
- Department of Pesticide Chemistry and Technology, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
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Tadei R, Menezes-Oliveira VB, Silva CI, Mathias da Silva EC, Malaspina O. Sensitivity of the Neotropical Solitary Bee Centris analis F. (Hymenoptera, Apidae) to the Reference Insecticide Dimethoate for Pesticide Risk Assessment. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2023; 42:2758-2767. [PMID: 37638658 DOI: 10.1002/etc.5738] [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: 04/28/2023] [Revised: 06/14/2023] [Accepted: 08/22/2023] [Indexed: 08/29/2023]
Abstract
Currently, only Apis mellifera is used in environmental regulation to evaluate the hazard of pesticides to pollinators. The low representativeness of pollinators and bee diversity in this approach may result in insufficient protection for the wild species. This scenario is intensified in tropical environments, where little is known about the effects of pesticides on solitary bees. We aimed to calculate the medium lethal dose (LD50) and medium lethal concentration (LC50) of the insecticide dimethoate in the Neotropical solitary bee Centris analis, a cavity-nesting, oil-collecting bee distributed from Brazil to Mexico. Males and females of C. analis were exposed orally to dimethoate for 48 h under laboratory conditions. Lethality was assessed every 24 h until 144 h after the beginning of the test. After the LD50 calculation, we compared the value with available LD50 values in the literature of other bee species using the species sensitivity distribution curve. In 48 h of exposure, males showed an LD50 value 1.33 times lower than females (32.78 and 43.84 ng active ingredient/bee, respectively). Centris analis was more sensitive to dimethoate than the model species A. mellifera and the solitary bee from temperate zones, Osmia lignaria. However, on a body weight basis, C. analis and A. mellifera had similar LD50 values. Ours is the first study that calculated an LD50 for a Neotropical solitary bee. Besides, the results are of crucial importance for a better understanding of the effects of pesticides on the tropical bee fauna and will help to improve the risk assessment of pesticides to bees under tropical conditions, giving attention to wild species, which are commonly neglected. Environ Toxicol Chem 2023;42:2758-2767. © 2023 SETAC.
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Affiliation(s)
- Rafaela Tadei
- Institute of Biosciences, São Paulo State University, Rio Claro, Brazil
- Department of Environmental Sciences, Federal University of São Carlos, Sorocaba, Brazil
| | - Vanessa B Menezes-Oliveira
- Course Coordination on Environmental Engineering, Federal University of Tocantins, Palmas, Tocantins, Brazil
| | - Claudia I Silva
- Consultoria Inteligente em Serviços Ecossistêmicos, Sorocaba, Brazil
| | | | - Osmar Malaspina
- Institute of Biosciences, São Paulo State University, Rio Claro, Brazil
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Misiewicz A, Mikołajczyk Ł, Bednarska AJ. Floral resources,energetic value and pesticide residues in provisions collected by Osmia bicornis along a gradient of oilseed rape coverage. Sci Rep 2023; 13:13372. [PMID: 37591888 PMCID: PMC10435552 DOI: 10.1038/s41598-023-39950-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2023] [Accepted: 08/02/2023] [Indexed: 08/19/2023] Open
Abstract
Pollinators in agricultural landscapes are facing global decline and the main pressures include food scarcity and pesticide usage. Intensive agricultural landscapes may provide important food resources for wild pollinators via mass flowering crops. However, these are monofloral, short-term, and may contain pesticide residues. We explored how the landscape composition with a different proportion of oilseed rape (6-65%) around Osmia bicornis nests affects floral diversity, contamination with pesticides, and energetic value of provisions collected by this species of wild bees as food for their offspring. Altogether, the bees collected pollen from 28 plant taxa (6-15 per nest) and provisions were dominated by Brassica napus (6.0-54.2%, median 44.4%, 12 nests), Quercus sp. (1.2-19.4%, median 5.2%, 12 nests), Ranunculus sp. (0.4-42.7%, median 4.7%, 12 nests), Poaceae (1.2-59.9%, median 5.8%, 11 nests) and Acer sp. (0.6-42%, median 18.0%, 8 nests). Residues of 12 pesticides were found in provisions, with acetamiprid, azoxystrobin, boscalid, and dimethoate being the most frequently detected at concentrations up to 1.2, 198.4, 16.9 and 17.8 ng/g (median 0.3, 10.6, 11.3, 4.4 ng/g), respectively. Floral diversity and energetic value of provisions, but not the Pesticide Risk Index depended on landscape structure. Moreover, pollen diversity decreased, and energetic value increased with landscape diversity. Thus, even a structurally simple landscape may provide diverse food for O. bicornis if the nest is located close to a single but resource-diverse patch. Both B. napus and non-crop pollen were correlated with pesticide concentrations.
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Affiliation(s)
- Anna Misiewicz
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120, Kraków, Poland.
| | - Łukasz Mikołajczyk
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120, Kraków, Poland
- Institute of Environmental Sciences, Jagiellonian University, Gronostajowa 7, 30-387, Kraków, Poland
| | - Agnieszka J Bednarska
- Institute of Nature Conservation, Polish Academy of Sciences, A. Mickiewicza 33, 31-120, Kraków, Poland
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Akça R, Saruhan I. The effects of some insecticides on honeybees (Apis mellifera). Isr J Ecol Evol 2022. [DOI: 10.1163/22244662-bja10043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Abstract
In the study, the topical application (1 µl/bee), contact (5 ml/pot/10 bees) and residual (5 ml/pot/10 bees) effects of eight insecticides (Methiocarb, Alphacypermethrin, Indoxacarb, Spinosad, Thiacloprid + Deltamethrin, Thiamethoxam, Thiamethoxam + Lambda-Cyhalothrin and Zeta Cypermethrin), which are commonly used in pest control in hazelnut cultivation, were investigated on Apis mellifera L. (Hymenoptera:Apidae). The study was conducted with 10 young worker bees in 4 replicates. Knock-down effect and 48-hour mortality were determined in all three methods. The study was conducted under 65–70% humidity and 24 ± 1oC laboratory conditions. The study findings demonstrated that the impact of the topical application was low in all pesticides, while the other two methods led to 100% mortality after 48 hours at the recommended dose. The highest contact effect was observed with thiamethoxam + lambda-cyhalothrin, thiamethoxam, zeta cypermethrin, methiocarb and indoxacarb, followed by thiacloprid + deltamethrin, Spinosad and alphacypermethrin. Among the insecticides tested for residual effects, thiamethoxam + lambda-cyhalothrin, thiamethoxam, zeta cypermethrin and Spinosad led to over 90% mortality after 5 days.
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Affiliation(s)
- Rıfat Akça
- Department of Plant Protection, Ondokuz Mayıs Üniversitesi Ziraat Fakültesi, Samsun, 55139. Turkey
| | - Islam Saruhan
- Department of Plant Protection, Ondokuz Mayıs Üniversitesi Ziraat Fakültesi, Samsun, 55139. Turkey
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7
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Liang D, Batross J, Fiedler N, Prapamontol T, Suttiwan P, Panuwet P, Naksen W, Baumert BO, Yakimavets V, Tan Y, D'Souza P, Mangklabruks A, Sittiwang S, Kaewthit K, Kohsuwan K, Promkam N, Pingwong S, Ryan PB, Barr DB. Metabolome-wide association study of the relationship between chlorpyrifos exposure and first trimester serum metabolite levels in pregnant Thai farmworkers. ENVIRONMENTAL RESEARCH 2022; 215:114319. [PMID: 36108722 PMCID: PMC9909724 DOI: 10.1016/j.envres.2022.114319] [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: 06/23/2022] [Revised: 09/03/2022] [Accepted: 09/07/2022] [Indexed: 06/15/2023]
Abstract
INTRODUCTION Organophosphate (OP) insecticides, including chlorpyrifos, have been linked with numerous harmful health effects on maternal and child health. Limited data are available on the biological mechanisms and endogenous pathways underlying the toxicity of chlorpyrifos exposures on pregnancy and birth outcomes. In this study, we measured a urinary chlorpyrifos metabolite and used high-resolution metabolomics (HRM) to identify biological perturbations associated with chlorpyrifos exposure among pregnant women in Thailand, who are disparately exposed to high levels of OP insecticides. METHODS This study included 50 participants from the Study of Asian Women and their Offspring's Development and Environmental Exposures (SAWASDEE). We used liquid chromatography-high resolution mass spectrometry to conduct metabolic profiling on first trimester serum samples collected from participants to evaluate metabolic perturbations in relation to chlorpyrifos exposures. We measured 3,5,6-trichloro-2-pyridinol (TCPy), a specific metabolite of chlorpyrifos and chlorpyrifos-methyl, in first trimester urine samples to assess the levels of exposures. Following an untargeted metabolome-wide association study workflow, we used generalized linear models, pathway enrichment analyses, and chemical annotation to identify significant metabolites and pathways associated with urinary TCPy levels. RESULTS In the 50 SAWASDEE participants, the median urinary TCPy level was 4.36 μg TCPy/g creatinine. In total, 691 unique metabolic features were found significantly associated with TCPy levels (p < 0.05) after controlling for confounding factors. Pathway analysis of metabolic features associated with TCPy indicated perturbations in 24 metabolic pathways, most closely linked to the production of reactive oxygen species and cellular damage. These pathways include tryptophan metabolism, fatty acid oxidation and peroxisome metabolism, cytochromes P450 metabolism, glutathione metabolism, and vitamin B3 metabolism. We confirmed the chemical identities of 25 metabolites associated with TCPy levels, including glutathione, cystine, arachidic acid, itaconate, and nicotinamide adenine dinucleotide. DISCUSSION The metabolic perturbations associated with TCPy levels were related to oxidative stress, cellular damage and repair, and systemic inflammation, which could ultimately contribute to health outcomes, including neurodevelopmental deficits in the child. These findings support the future development of sensitive biomarkers to investigate the metabolic underpinnings related to pesticide exposure during pregnancy and to understand its link to adverse outcomes in children.
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Affiliation(s)
- Donghai Liang
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA.
| | - Jonathan Batross
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Nancy Fiedler
- Rutgers University, Environmental and Occupational Health Science Institute, Piscataway, NJ, USA
| | - Tippawan Prapamontol
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - Panrapee Suttiwan
- Chulalongkorn University, Faculty of Psychology, LIFE Di Center, Bangkok, Thailand
| | - Parinya Panuwet
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Warangkana Naksen
- Chiang Mai University, Faculty of Public Health, Chiang Mai, Thailand
| | - Brittney O Baumert
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA; Department of Population and Public Health Sciences, Keck School of Medicine, University of Southern California, Los Angeles, CA, USA
| | - Volha Yakimavets
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Youran Tan
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Priya D'Souza
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Ampica Mangklabruks
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - Supattra Sittiwang
- Chulalongkorn University, Faculty of Psychology, LIFE Di Center, Bangkok, Thailand
| | | | - Kanyapak Kohsuwan
- Department of Forensic Medicine, Faculty of Medicine, Chiang Mai University, Thailand
| | - Nattawadee Promkam
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - Sureewan Pingwong
- Chiang Mai University, Research Institute for Health Sciences, Chiang Mai, Thailand
| | - P Barry Ryan
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA
| | - Dana Boyd Barr
- Emory University, Rollins School of Public Health, Gangarosa Department of Environmental Health, Atlanta, GA, USA.
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Dong ZX, Tang QH, Li WL, Wang ZW, Li XJ, Fu CM, Li D, Qian K, Tian WL, Guo J. Honeybee (Apis mellifera) resistance to deltamethrin exposure by Modulating the gut microbiota and improving immunity. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 314:120340. [PMID: 36208825 DOI: 10.1016/j.envpol.2022.120340] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/24/2022] [Accepted: 09/29/2022] [Indexed: 06/16/2023]
Abstract
Honeybees (Apis mellifera) are important economic insects and play important roles in pollination and maintenance of ecological balance. However, the use of pesticides has posed a substantial threat to bees in recent years, with the more widely used deltamethrin being the most harmful. In this study, we found that deltamethrin exposure significantly reduced bee survival in a dose-dependent manner (p = 0.025). In addition, metagenomic sequencing further revealed that DM exposure significantly reduced the diversity of the bee gut microbiota (Chao1, p < 0.0001; Shannon, p < 0.0001; Simpson, p < 0.0001) and decreased the relative abundance of core species of the gut microbiota. Importantly, in studies of GF-bees, we found that the colonization of important gut bacteria such as Gilliamella apicola and Lactobacillus kunkeei significantly increased bee resistance to DM (survival rate increased from 16.7 to 66.7%). Interestingly, we found that the immunity-genes Defensin-2 and Toll were significantly upregulated in bees after the colonization of gut bacteria. These results suggest that gut bacteria may protect against DM stress by improving host immunity. Our findings provide an important rationale for protecting honeybees from pollutants from the perspective of gut microbes.
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Affiliation(s)
- Zhi-Xiang Dong
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Qi-He Tang
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Wan-Li Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Zheng-Wei Wang
- CAS Key Laboratory of Tropical Forest Ecology, Xishuangbanna Tropical Botanical Garden, Chinese Academy of Sciences, Jinghong, 650000, China
| | - Xi-Jie Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Chao-Min Fu
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Dan Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China
| | - Kai Qian
- Department of Thoracic Surgery, Institute of the First People's Hospital of Yunnan Province, Kunming, China; Faculty of Life and Biotechnology, Kunming University of Science and Technology, Kunming, China
| | - Wen-Li Tian
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100093, China
| | - Jun Guo
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming, Yunnan, 650500, China.
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9
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Preuss TG, Agatz A, Goussen B, Roeben V, Rumkee J, Zakharova L, Thorbek P. The BEEHAVE ecotox Model-Integrating a Mechanistic Effect Module into the Honeybee Colony Model. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2022; 41:2870-2882. [PMID: 36040132 PMCID: PMC9828121 DOI: 10.1002/etc.5467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 02/10/2022] [Accepted: 08/15/2022] [Indexed: 06/15/2023]
Abstract
Mechanistic effect models are powerful tools for extrapolating from laboratory studies to field conditions. For bees, several good models are available that can simulate colony dynamics. Controlled and reliable experimental systems are also available to estimate the inherent toxicity of pesticides to individuals. However, there is currently no systematic and mechanistic way of linking the output of experimental ecotoxicological testing to bee models for bee risk assessment. We introduce an ecotoxicological module that mechanistically links exposure with the hazard profile of a pesticide for individual honeybees so that colony effects emerge. This mechanistic link allows the translation of results from standard laboratory studies to relevant parameters and processes for simulating bee colony dynamics. The module was integrated into the state-of-the-art honeybee model BEEHAVE. For the integration, BEEHAVE was adapted to mechanistically link the exposure and effects on different cohorts to colony dynamics. The BEEHAVEecotox model was tested against semifield (tunnel) studies, which were deemed the best study type to test whether BEEHAVEecotox predicted realistic effect sizes under controlled conditions. Two pesticides used as toxic standards were chosen for this validation to represent two different modes of action: acute mortality of foragers and chronic brood effects. The ecotoxicological module was able to predict effect sizes in the tunnel studies based on information from standard laboratory tests. In conclusion, the BEEHAVEecotox model is an excellent tool to be used for honeybee risk assessment, interpretation of field and semifield studies, and exploring the efficiency of different mitigation measures. The principles for exposure and effect modules are portable and could be used for any well-constructed honeybee model. Environ Toxicol Chem 2022;41:2870-2882. © 2022 Bayer AG & Sygenta, et al. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.
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Affiliation(s)
| | - Annika Agatz
- Institute for Biological Analytics & ConsultingRoßdorfGermany
| | - Benoit Goussen
- Institute for Biological Analytics & ConsultingRoßdorfGermany
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Fu H, Tan P, Wang R, Li S, Liu H, Yang Y, Wu Z. Advances in organophosphorus pesticides pollution: Current status and challenges in ecotoxicological, sustainable agriculture, and degradation strategies. JOURNAL OF HAZARDOUS MATERIALS 2022; 424:127494. [PMID: 34687999 DOI: 10.1016/j.jhazmat.2021.127494] [Citation(s) in RCA: 99] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/26/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 06/13/2023]
Abstract
Organophosphorus pesticides (OPPs) are one of the most widely used types of pesticide that play an important role in the production process due to their effects on preventing pathogen infection and increasing yield. However, in the early development and application of OPPs, their toxicological effects and the issue of environmental pollution were not considered. With the long-term overuse of OPPs, their hazards to the ecological environment (including soil and water) and animal health have attracted increasing attention. Therefore, this review first clarified the classification, characteristics, applications of various OPPs, and the government's restriction requirements on various OPPs. Second, the toxicological effects and metabolic mechanisms of OPPs and their metabolites were introduced in organisms. Finally, the existing methods of degrading OPPs were summarized, and the challenges and further addressing strategy of OPPs in the sustainable development of agriculture, the environment, and ecology were prospected. However, methods to solve the environmental and ecological problems caused by OPPs from the three aspects of use source, use process, and degradation methods were proposed, which provided a theoretical basis for addressing the stability of the ecological environment and improving the structure of the pesticide industry in the future.
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Affiliation(s)
- Huiyang Fu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Peng Tan
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Renjie Wang
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Senlin Li
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Haozhen Liu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China
| | - Ying Yang
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China.
| | - Zhenlong Wu
- State Key Laboratory of Animal Nutrition, Department of Animal Nutrition and Feed Science, China Agricultural University, Beijing 100193, China; Beijing Advanced Innovation Center for Food Nutrition and Human Health, China Agricultural University, Beijing 100193, China.
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11
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Wu X, Zhang C, An H, Li M, Pan X, Dong F, Zheng Y. Biological removal of deltamethrin in contaminated water, soils and vegetables by Stenotrophomonas maltophilia XQ08. CHEMOSPHERE 2021; 279:130622. [PMID: 34134418 DOI: 10.1016/j.chemosphere.2021.130622] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 03/19/2021] [Accepted: 04/17/2021] [Indexed: 06/12/2023]
Abstract
The consideration of ecological and human health risk is an emerging concern with the excessive or inappropriate use of deltamethrin. In this study, the degradation conditions of the newly deltamethrin-degrading strain Stenotrophomonas maltophilia XQ08 were optimized, which were temperature 35 °C, pH 7.5, cell concentration 5.5 × 108 cfu/mL, and substrate concentration 50 mg/L. Strain XQ08 could effectively degrade deltamethrin into three smaller molecular weight and lower toxic compounds. Enriched strain XQ08 was immobilized in a charcoal-alginate matrix and possessed more prominent biodegradability, reusability, storability and thermostability than free XQ08. In a continuous reactor system, immobilized XQ08 could averagely remove 78.81% of deltamethrin at the gradient influent dosages of 50, 75 and 100 mg/L within 30 d. Immobilized XQ08 introduced into the filed brown and yellow soils exhibited a superior degradation potential for deltamethrin with the half-lives of 1.77 and 2.04 d, which were 2.39 and 2.14 folds, or 6.09 and 5.47 folds faster than free XQ08 degradation (4.23 and 4.37 d) or natural dissipation (10.78 and 11.16 d), respectively. Moreover, application of free XQ08 decreased the persistence of deltamethrin in Brassica pekinensis and Brassica chinensis from 5.47 and 6.23 to 2.05 and 2.32 d, or by 62.52% and 62.76%, respectively. This study provides a feasible, effective and rapid biological removal technology for deltamethrin-contaminated environments in situ.
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Affiliation(s)
- Xiaomao Wu
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, China; State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China
| | - Cheng Zhang
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, China; Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, College of Agricultural Engineering, Jiangsu University, Zhenjiang, Jiangsu, 212013, China
| | - Huaming An
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, China.
| | - Ming Li
- Department of Plant Protection, Institute of Crop Protection, College of Agriculture, Guizhou University, Guiyang, Guizhou, 550025, China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China
| | - Yongquan Zheng
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing, 100193, PR China
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Leska A, Nowak A, Nowak I, Górczyńska A. Effects of Insecticides and Microbiological Contaminants on Apis mellifera Health. Molecules 2021; 26:5080. [PMID: 34443668 PMCID: PMC8398688 DOI: 10.3390/molecules26165080] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Revised: 08/09/2021] [Accepted: 08/19/2021] [Indexed: 12/16/2022] Open
Abstract
Over the past two decades, there has been an alarming decline in the number of honey bee colonies. This phenomenon is called Colony Collapse Disorder (CCD). Bee products play a significant role in human life and have a huge impact on agriculture, therefore bees are an economically important species. Honey has found its healing application in various sectors of human life, as well as other bee products such as royal jelly, propolis, and bee pollen. There are many putative factors of CCD, such as air pollution, GMO, viruses, or predators (such as wasps and hornets). It is, however, believed that pesticides and microorganisms play a huge role in the mass extinction of bee colonies. Insecticides are chemicals that are dangerous to both humans and the environment. They can cause enormous damage to bees' nervous system and permanently weaken their immune system, making them vulnerable to other factors. Some of the insecticides that negatively affect bees are, for example, neonicotinoids, coumaphos, and chlorpyrifos. Microorganisms can cause various diseases in bees, weakening the health of the colony and often resulting in its extinction. Infection with microorganisms may result in the need to dispose of the entire hive to prevent the spread of pathogens to other hives. Many aspects of the impact of pesticides and microorganisms on bees are still unclear. The need to deepen knowledge in this matter is crucial, bearing in mind how important these animals are for human life.
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Affiliation(s)
- Aleksandra Leska
- Department of Environmental Biotechnology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
| | - Adriana Nowak
- Department of Environmental Biotechnology, Lodz University of Technology, Wolczanska 171/173, 90-924 Lodz, Poland
| | - Ireneusz Nowak
- Faculty of Law and Administration, University of Lodz, Kopcinskiego 8/12, 90-232 Lodz, Poland; (I.N.); (A.G.)
| | - Anna Górczyńska
- Faculty of Law and Administration, University of Lodz, Kopcinskiego 8/12, 90-232 Lodz, Poland; (I.N.); (A.G.)
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Almasri H, Tavares DA, Diogon M, Pioz M, Alamil M, Sené D, Tchamitchian S, Cousin M, Brunet JL, Belzunces LP. Physiological effects of the interaction between Nosema ceranae and sequential and overlapping exposure to glyphosate and difenoconazole in the honey bee Apis mellifera. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 217:112258. [PMID: 33915451 DOI: 10.1016/j.ecoenv.2021.112258] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 04/06/2021] [Accepted: 04/13/2021] [Indexed: 06/12/2023]
Abstract
Pathogens and pollutants, such as pesticides, are potential stressors to all living organisms, including honey bees. Herbicides and fungicides are among the most prevalent pesticides in beehive matrices, and their interaction with Nosema ceranae is not well understood. In this study, the interactions between N. ceranae, the herbicide glyphosate and the fungicide difenoconazole were studied under combined sequential and overlapping exposure to the pesticides at a concentration of 0.1 µg/L in food. In the sequential exposure experiment, newly emerged bees were exposed to the herbicide from day 3 to day 13 after emerging and to the fungicide from day 13 to day 23. In the overlapping exposure experiment, bees were exposed to the herbicide from day 3 to day 13 and to the fungicide from day 7 to day 17. Infection by Nosema in early adult life stages (a few hours post emergence) greatly affected the survival of honey bees and elicited much higher mortality than was induced by pesticides either alone or in combination. Overlapping exposure to both pesticides induced higher mortality than was caused by sequential or individual exposure. Overlapping, but not sequential, exposure to pesticides synergistically increased the adverse effect of N. ceranae on honey bee longevity. The combination of Nosema and pesticides had a strong impact on physiological markers of the nervous system, detoxification, antioxidant defenses and social immunity of honey bees.
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Affiliation(s)
- Hanine Almasri
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France
| | | | - Marie Diogon
- Université Clermont Auvergne, CNRS, Laboratoire Microorganismes: Génome et Environnement, F-63000 Clermont-Ferrand, France
| | - Maryline Pioz
- INRAE, UR 406 A&E, Laboratoire de Toxicologie Environnementale, F-84000 Avignon, France
| | - Maryam Alamil
- INRAE, UR Biostatistiques et Processus Spatiaux, F-84914 Avignon, France
| | - Déborah Sené
- 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
| | - 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.
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Abati R, Sampaio AR, Maciel RMA, Colombo FC, Libardoni G, Battisti L, Lozano ER, Ghisi NDC, Costa-Maia FM, Potrich M. Bees and pesticides: the research impact and scientometrics relations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:10.1007/s11356-021-14224-7. [PMID: 33961189 DOI: 10.1007/s11356-021-14224-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Accepted: 04/27/2021] [Indexed: 06/12/2023]
Abstract
Bees are fundamental insects in agroecosystems, mainly due to pollination. However, its decline has been observed in recent years, and the contamination by pesticides is suspected to be responsible. This relationship is the objective of our research, which is the first scientometric study on this subject. The data were obtained from the Web of Science database (1231) and were analyzed using Microsoft Office Excel and CiteSpace. The results point to a significant increase in pesticide and bee reseach in the last 15 years in the most influential scientific journals. The USA and France have the largest number of publications and a moderade relationship between this trait and GDP (gross domestic product) was observed (r = 0.80; r2 = 0.60). There is no correlation between the use of pesticides and studies of the effects on pollinators and the use of pesticides and the countries' GDP. In general, studies have shown the negative effects of the contamination by pesticides on bees; however, most publications are with bees of the Apis genus, and therefore it is necessary to explore the action of pesticides on bumble bees and wild bees, as well furthur as studies are needed regarding the sublethal effects of these products on bees as the number of molecules used in the management of agricultural crops is vast.
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Affiliation(s)
- Raiza Abati
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Amanda Roberta Sampaio
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Rodrigo Mendes Antunes Maciel
- Programa de Pós-Graduação em Entomologia, Universidade Federal do Paraná, Avenida Coronel Francisco Heráclito dos Santos, 100, Centro Politécnico - Jardim das Américas, Cx, 1903, CEP 81531-980, Curitiba, Paraná, Brasil
| | - Fernanda Caroline Colombo
- Programa de Pós-Graduação em Agronomia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Câmpus Universitário Cx, 10.011, CEP 86.057-970, Londrina, Paraná, Brasil
| | - Gabriela Libardoni
- Programa de Pós-Graduação em Agronomia, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Câmpus Universitário Cx, 10.011, CEP 86.057-970, Londrina, Paraná, Brasil
| | - Lucas Battisti
- Programa de Pós-Graduação em Ciências Biológicas, Universidade Estadual de Londrina, Rodovia Celso Garcia Cid, PR 445 Km 380, Câmpus Universitário Cx, 10.011, CEP 86.057-970, Londrina, Paraná, Brasil
| | - Everton Ricardi Lozano
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Nédia de Castilhos Ghisi
- Programa de Pós-Graduação em Biotecnologia, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04, CEP 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Fabiana Martins Costa-Maia
- Programa de Pós-Graduação em Zootecnia, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04, CEP 85660-000, Dois Vizinhos, Paraná, Brasil
| | - Michele Potrich
- Programa de Pós-Graduação em Agroecossistemas, Universidade Tecnológica Federal do Paraná, Câmpus Dois Vizinhos, Estrada para Boa Esperança, Km 04 CEP, 85660-000, Dois Vizinhos, Paraná, Brasil.
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A multifunctional near-infrared fluorescent sensing material based on core-shell upconversion nanoparticles@magnetic nanoparticles and molecularly imprinted polymers for detection of deltamethrin. Mikrochim Acta 2021; 188:165. [PMID: 33856578 DOI: 10.1007/s00604-021-04811-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 03/24/2021] [Indexed: 12/11/2022]
Abstract
The construction of multifunctional sensors has attracted considerable attention due to their multifunctional properties, such as high sensitivity and rapid detection. Herein, near-infrared multifunctional fluorescent sensing materials based on core-shell upconversion nanoparticle@magnetic nanoparticle and molecularly imprinted polymers were synthesized for rapid detection of deltamethrin. The difunctional core-shell upconversion nanoparticle@magnetic nanoparticle was introduced as the optical signal and rapid separator. Firstly, the difunctional core-shell materials were prepared through solvothermal method. Then, molecularly imprinted polymers (MIPs) as recognition elements for deltamethrin were coated on the surface of upconversion nanoparticle@magnetic nanoparticle through polymerization. The structure and recognition characterizations of multifunctional fluorescent sensing materials were evaluated. Under optimal condition, the imprinting factor of sensing materials was 3.63, and the fluorescence intensity of sensing materials decreased linearly with increasing concentration of deltamethrin from 0.001 to 1 mg L-1 with a detection limit of 0.749 μg L-1, and a relative standard deviation of 3.10% was obtained with 5 mg L-1 deltamethrin. The sensing materials showed a high selectivity and were successfully utilized for the detection of deltamethrin in grapes and cabbages; the results showed that the recoveries for two samples obtained were 95.6-102% and 91.8-105%.
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16
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Review on Sublethal Effects of Environmental Contaminants in Honey Bees ( Apis mellifera), Knowledge Gaps and Future Perspectives. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:ijerph18041863. [PMID: 33672936 PMCID: PMC7918799 DOI: 10.3390/ijerph18041863] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 02/03/2021] [Accepted: 02/10/2021] [Indexed: 12/22/2022]
Abstract
Honey bees and the pollination services they provide are fundamental for agriculture and biodiversity. Agrochemical products and other classes of contaminants, such as trace elements and polycyclic aromatic hydrocarbons, contribute to the general decline of bees' populations. For this reason, effects, and particularly sublethal effects of contaminants need to be investigated. We conducted a review of the existing literature regarding the type of effects evaluated in Apis mellifera, collecting information about regions, methodological approaches, the type of contaminants, and honey bees' life stages. Europe and North America are the regions in which A. mellifera biological responses were mostly studied and the most investigated compounds are insecticides. A. mellifera was studied more in the laboratory than in field conditions. Through the observation of the different responses examined, we found that there were several knowledge gaps that should be addressed, particularly within enzymatic and molecular responses, such as those regarding the immune system and genotoxicity. The importance of developing an integrated approach that combines responses at different levels, from molecular to organism and population, needs to be highlighted in order to evaluate the impact of anthropogenic contamination on this pollinator species.
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Evaluation of the expression stability of reference genes in Apis mellifera under pyrethroid treatment. Sci Rep 2020; 10:16140. [PMID: 32999330 PMCID: PMC7527991 DOI: 10.1038/s41598-020-73125-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Accepted: 09/04/2020] [Indexed: 11/08/2022] Open
Abstract
Honeybees (Apis mellifera L.), which unquestionably play an economically important role in pollination and agricultural production, are at risk of decline. To study changes in gene expression in insects upon exposure to pesticides or other external stimuli, appropriate reference genes are required for data normalization. Since there is no such gene that is absolutely invariable under all experimental conditions, the aim of this study was to identify the most stable targets suitable for subsequent normalization in quantitative experiments based on real-time polymerase chain reaction in honeybee research. Here, we evaluated the expression of fifteen candidate housekeeping genes from three breeding lines of honeybees treated with pyrethroids to identify the most stable genes. The tested insects were exposed to deltamethrin or lambda-cyhalothrin, and then, changes in the accumulation of selected transcripts were assessed, followed by statistical analyses. We concluded that AmRPL32, AmACT and AmRPL13a were the commonly recorded most stable genes in honeybees treated with the selected pyrethroids.
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Fent K, Schmid M, Christen V. Global transcriptome analysis reveals relevant effects at environmental concentrations of cypermethrin in honey bees (Apis mellifera). ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2020; 259:113715. [PMID: 32023783 DOI: 10.1016/j.envpol.2019.113715] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 10/16/2019] [Accepted: 11/30/2019] [Indexed: 06/10/2023]
Abstract
Cypermethrin is a frequently used insecticide in agriculture and households but its chronic and molecular effects are poorly known are . Here we describe effects of sublethal cypermethrin exposure on the global transcriptome in the brain of honey bees determined by RNA-sequencing. Exposure for 48 h to 0.3 ng/bee cypermethrin (3 ng/mL sucrose solution) causes 38 differentially expressed genes (DEGs), of which 29 are up-regulated and 9 down-regulated. Exposure to 3 ng/bee causes differential expression of 265 DEGs (209 up-, 56 down-regulated). Among the 24 DEGs shared by both concentrations are genes encoding muscular structure, muscular processes and esterase B1. Functional analysis (GO term analysis) confirms the enrichment of muscular development, structure and function among the 89 and 35 significantly altered GO terms at the low and high concentration, respectively. Up-regulation of nine DEGs determined by RT-qPCR showed a good correlation with RNA-sequence data. Among them are genes including esterase B1, titin, twitchin, mucin-19, insulin like growth factor binding protein, golgin like protein and helix loop protein. Our study demonstrates for the first time molecular effects of cypermethrin at environmental concentrations, which include expressional induction of genes encoding muscular and cellular processes and metabolism enzymes. Further studies should demonstrate the physiological consequences in bees.
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Affiliation(s)
- Karl Fent
- University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, Hofackerstrasse 30, CH-4132, Muttenz, Switzerland; Swiss Federal Institute of Technology Zürich (ETH Zürich), Department of Environmental Systems Science, Institute of Biogeochemistry and Pollution Dynamics, CH-8092, Zürich, Switzerland.
| | - Michael Schmid
- Genexa AG, Dienerstrasse 7, CH-8004, Zürich, Switzerland
| | - Verena Christen
- University of Applied Sciences and Arts Northwestern Switzerland, School of Life Sciences, Hofackerstrasse 30, CH-4132, Muttenz, Switzerland
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Yang Y, Ma S, Liu F, Wang Q, Wang X, Hou C, Wu Y, Gao J, Zhang L, Liu Y, Diao Q, Dai P. Acute and chronic toxicity of acetamiprid, carbaryl, cypermethrin and deltamethrin to Apis mellifera larvae reared in vitro. PEST MANAGEMENT SCIENCE 2020; 76:978-985. [PMID: 31486576 DOI: 10.1002/ps.5606] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Revised: 08/31/2019] [Accepted: 08/31/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND The effects of exposing Apis mellifera larvae to common insecticides were tested in the laboratory. RESULTS The acute toxicity values of the four insecticides that we tested ranged from high toxicity to low toxicity: deltamethrin > cypermethrin > carbaryl > acetamiprid. The NOAEC (no observed adverse effect concentration) values of the chronic toxicity tests for each compound are 5 mg L-1 for acetamiprid, 2 mg L-1 for carbaryl, 1 mg L-1 for cypermethrin, and 0.2 mg L-1 for deltamethrin. CONCLUSION According to the risk quotient (RQ) values of acute and chronic toxicity that we obtained, the risk is acceptable at exposure rates that have been identified in the field. Overall, our results are valuable for evaluating the acute and chronic toxicities of these insecticides to developing honey bees. © 2019 Society of Chemical Industry.
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Affiliation(s)
- Yang Yang
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Shilong Ma
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
- Bee Academy, Fujian Agriculture and Forestry University, Fuzhou, China
| | - Feng Liu
- Jiangxi Institute of Apicultural Research, Nanchang, China
| | - Qiang Wang
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Xing Wang
- Beijing of Apicultural Station, Beijing, China
| | - Chunsheng Hou
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yanyan Wu
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Jing Gao
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Li Zhang
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Yongjun Liu
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Qingyun Diao
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
| | - Pingli Dai
- Key Laboratory of Pollinating Insect Biology of Agriculture, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, China
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Barros GPD, Bricarello PA. Myiasis by <i>Cochliomyia hominivorax</i> (Coquerel, 1858): A Neglected Zoonosis in Brazil. ACTA ACUST UNITED AC 2020. [DOI: 10.4236/ojvm.2020.106007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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