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Ferrari A, Sturini M, De Felice B, Bonasoro F, Trisoglio CF, Parolini M, Ambrosini R, Canova L, Profumo A, Maraschi F, Polidori C, Costanzo A. From molecules to organisms: A multi-level approach shows negative effects of trace elements from sewage sludge used as soil improver on honeybees. JOURNAL OF HAZARDOUS MATERIALS 2024; 478:135497. [PMID: 39154472 DOI: 10.1016/j.jhazmat.2024.135497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/22/2024] [Revised: 07/31/2024] [Accepted: 08/11/2024] [Indexed: 08/20/2024]
Abstract
The use of sewage sludge as a soil improver has been promoted in agroecosystems. However, sludges can contain toxic trace elements because of suboptimal wastewater treatment. Nonetheless, field studies investigating the negative effects of these practices on pollinators are lacking. We collected honeybees from an area where sewage sludge use is widespread, and one where it is precluded. Trace elements in soils and bees were quantified. Cadmium, chromium, lead, mercury, and nickel were investigated because they were the least correlated elements to each other and are known to be toxic. Their levels were related to oxidative stress and energy biomarkers, midgut epithelial health, body size and wing asymmetry of honeybees. We found increased carbohydrate content in sites with higher cadmium levels, increased histological damage to the midgut epithelium in the sewage sludge area, and the presence of dark spherites in the epithelium of bees collected from the sites with the highest lead levels. Finally, we found that honeybees with the highest lead content were smaller, and that wing fluctuating asymmetry increased in sites with increasing levels of mercury. To the best of our knowledge, this is the first comprehensive study of the concentration and effects on honeybees of trace elements potentially deriving from soil amendment practices.
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Affiliation(s)
- Andrea Ferrari
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy
| | - Michela Sturini
- Chemistry Department, University of Pavia, 27100 Pavia, Italy
| | - Beatrice De Felice
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy
| | - Francesco Bonasoro
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy
| | | | - Marco Parolini
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy
| | - Roberto Ambrosini
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy
| | - Luca Canova
- Chemistry Department, University of Pavia, 27100 Pavia, Italy
| | | | | | - Carlo Polidori
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy.
| | - Alessandra Costanzo
- Department of Environmental Science and Policy, University of Milan, 20133 Milan, Italy.
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Chen YR, Tzeng DTW, Lin SS, Yang EC. Sublethal Imidacloprid Administration to Honey Bee Workers is More Lethal to the Queen Larvae. ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY 2024; 43:2232-2242. [PMID: 39136649 DOI: 10.1002/etc.5965] [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: 03/28/2024] [Revised: 06/06/2024] [Accepted: 07/07/2024] [Indexed: 09/25/2024]
Abstract
Imidacloprid and other neonicotinoid insecticides severely impact the performance and survival of honey bees and other pollinators. In the present study, we focused on the gene expression profile of newly emerged Apis mellifera queen bees after sublethal imidacloprid treatment during the larval stage. Royal jelly containing 1 ppb imidacloprid was provided to larvae for 3 consecutive days (2-4 days postemergence). Queen larvae treated with imidacloprid showed lower capping and emergence rates (35.5% and 24.22%, respectively) than did control larvae (61.68% and 52.95%, respectively), indicating a high failure rate of queen rearing associated with imidacloprid exposure during the larval stage. The molecular response to imidacloprid treatment was examined next. By comparing the gene expression profiles of imidacloprid-treated queen larvae and those of control queen larvae using DESeq2, we identified 215 differentially expressed genes, with 105 and 111 up- and downregulated genes, respectively. Gene Ontology results indicated that chitin binding- and calcium ion binding-related genes were upregulated, while phototransduction- and visual perception-related genes were downregulated. The high mortality rate and altered gene expression profiles suggest that treatment with even 1 ppb imidacloprid can severely impact queen bee survival. Environ Toxicol Chem 2024;43:2232-2242. © 2024 SETAC.
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Affiliation(s)
- Yun-Ru Chen
- Department of Entomology, National Taiwan University, Taipei, Taiwan
| | - David T W Tzeng
- School of Life Sciences, The Chinese University of Hong Kong, Hong Kong
| | - Shih-Shun Lin
- Institute of Biotechnology, National Taiwan University, Taipei, Taiwan
| | - En-Cheng Yang
- Department of Entomology, National Taiwan University, Taipei, Taiwan
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3
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Ibrahim MIA, Lensink AV, Phaswane RM, Botha CJ. Structural gonadal lesions observed in Japanese quail (Coturnix coturnix japonica) following exposure during puberty to the neonicotinoid pesticide, imidacloprid. Tissue Cell 2024; 89:102450. [PMID: 38941762 DOI: 10.1016/j.tice.2024.102450] [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: 03/04/2024] [Revised: 06/13/2024] [Accepted: 06/17/2024] [Indexed: 06/30/2024]
Abstract
Exposure to the neonicotinoid insecticide, imidacloprid (IMI), causes reproductive toxicity in mammals and reptiles. However, reports on the effects of IMI on the gonads in birds are grossly lacking. Therefore, this study investigated the effects of pubertal exposure to IMI on the histology, ultrastructure, as well as the cytoskeletal proteins, desmin, smooth muscle actin and vimentin, of the gonads of Japanese quail (Coturnix coturnix japonica). Quails were randomly divided into four groups at 5 weeks of age. The control group was given only distilled water, whereas, the other three experimental groups, IMI was administered by oral gavage at 1.55, 3.1, and 6.2 mg/kg, twice per week for 4 weeks. Exposure to IMI doses of 3.1 and 6.2 mg/kg caused dose-dependent histopathological changes in the ovary and testis. In the ovary, accumulation of lymphocytes, degenerative changes, and necrosis with granulocyte infiltrations were observed, while in the testis, distorted seminiferous tubules, germ cell sloughing, vacuolisations, apoptotic bodies, autophagosomes, and mitochondrial damage were detected. These changes were accompanied by a decreased number of primary follicles (P ≤ 0.05) in the ovary and a decrease (P ≤ 0.05) in the epithelial height, luminal, and tubular diameters of seminiferous tubules at the two higher dosages. In addition, IMI had a negative effect on the immunostaining intensity of desmin, smooth muscle actin, and vimentin in the ovarian and testicular tissue. In conclusion, exposure to IMI during puberty can lead to a range of histopathological alterations in the gonads of Japanese quails, which may ultimately result in infertility.
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Affiliation(s)
- Mohammed I A Ibrahim
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa.
| | - Antoinette V Lensink
- Electron Microscope Unit, Department of Anatomy and Physiology, Faculty of Veterinary Sciences, University of Pretoria, Onderstepoort 0110, South Africa
| | - Rephima M Phaswane
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa
| | - Christo J Botha
- Department of Paraclinical Sciences, Faculty of Veterinary Science, University of Pretoria, Onderstepoort 0110, South Africa
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Carroll MJ, Brown NJ, Reitz D. Sublethal effects of imidacloprid-contaminated honey stores on colony performance, queens, and worker activities in fall and early winter colonies. PLoS One 2024; 19:e0292376. [PMID: 38165994 PMCID: PMC10760783 DOI: 10.1371/journal.pone.0292376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Accepted: 09/19/2023] [Indexed: 01/04/2024] Open
Abstract
Neonicotinoid-contaminated sugar stores can have both near term and long term effects on honey bees due to their persistence in honey stores. Effects of imidacloprid food stores contaminants were examined in subtropical colonies that experience reduced brood rearing and foraging during overwintering. Colonies were given treatment sugar syrup containing 0 ppb (control), 20 ppb (field relevant), or 100 ppb (above field relevant) imidacloprid over six weeks to simulate contaminated fall nectar. Colonies were evaluated immediately (post-treatment) and 10 weeks (mid-winter) after treatment to compare proximal and latent effects. Post-treatment 0 ppb and 20 ppb colonies had more workers than 100 ppb colonies while 0 ppb colonies more brood than 20 ppb or 100 ppb colonies. Mid-winter 0 ppb and 20 ppb colonies had more workers than 100 ppb colonies and 0 ppb colonies more brood than 100 ppb colonies. Colonies experienced seasonal declines in stored pollen but no treatment effects. Lower 100 ppb colony performance was associated with reduced effort rather than lifespan. RFID (Radio Frequency Identification) tracking revealed that workers had similar adult lifespans across treatments; however, 100 ppb workers engaged in activities outside the colony for less time than 0 ppb workers. Imidacloprid exposure affected queen but not worker nutritional physiology. Nurses retained well-developed hypopharyngeal glands (as indicated by head protein) across treatments. Mid-winter queens from 0 ppb colonies had marginally higher ovary protein than queens from 100 ppb colonies and more ovary lipids than queens from 20 ppb colonies. However, queen nutrient stores in non-reproductive tissues (fat bodies) did not differ across treatments. Queens from different treatments were attended by comparable numbers of retinue workers and had similar gland contents of four QMP (Queen Mandibular Pheromone) components essential to queen care. High levels of imidacloprid in sugar stores can negatively affect colony performance months after initial storage.
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Affiliation(s)
- Mark J. Carroll
- Carl Hayden Bee Research Center USDA-ARS, Tucson, Arizona, United States of America
| | - Nicholas J. Brown
- Carl Hayden Bee Research Center USDA-ARS, Tucson, Arizona, United States of America
| | - Dylan Reitz
- Carl Hayden Bee Research Center USDA-ARS, Tucson, Arizona, United States of America
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Bischoff K, Moiseff J. The role of the veterinary diagnostic toxicologist in apiary health. J Vet Diagn Invest 2023; 35:597-616. [PMID: 37815239 PMCID: PMC10621547 DOI: 10.1177/10406387231203965] [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: 10/11/2023] Open
Abstract
Susceptibility of individuals and groups to toxicants depends on complex interactions involving the host, environment, and other exposures. Apiary diagnostic investigation and honey bee health are truly population medicine: the colony is the patient. Here we provide basic information on the application of toxicology to the testing of domestic honey bees, and, in light of recent research, expand on some of the challenges of interpreting analytical chemistry findings as they pertain to hive health. The hive is an efficiently organized system of wax cells used to store brood, honey, and bee bread, and is protected by the bee-procured antimicrobial compound propolis. Toxicants can affect individual workers outside or inside the hive, with disease processes that range from acute to chronic and subclinical to lethal. Toxicants can impact brood and contaminate honey, bee bread, and structural wax. We provide an overview of important natural and synthetic toxicants to which honey bees are exposed; behavioral, husbandry, and external environmental factors influencing exposure; short- and long-term impacts of toxicant exposure on individual bee and colony health; and the convergent impacts of stress, nutrition, infectious disease, and toxicant exposures on colony health. Current and potential future toxicology testing options are included. Common contaminants in apiary products consumed or used by humans (honey, wax, pollen), their sources, and the potential need for product testing are also noted.
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Affiliation(s)
- Karyn Bischoff
- New York State Animal Health Diagnostic Laboratory, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
| | - Jennifer Moiseff
- New York State Animal Health Diagnostic Laboratory, College of Veterinary Medicine, Cornell University, Ithaca, NY, USA
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Zhang JG, Shi W, Ma DD, Lu ZJ, Li SY, Long XB, Ying GG. Chronic Paternal/Maternal Exposure to Environmental Concentrations of Imidacloprid and Thiamethoxam Causes Intergenerational Toxicity in Zebrafish Offspring. ENVIRONMENTAL SCIENCE & TECHNOLOGY 2023; 57:13384-13396. [PMID: 37651267 DOI: 10.1021/acs.est.3c04371] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
Imidacloprid (IMI) and thiamethoxam (THM) are ubiquitous in aquatic ecosystems. Their negative effects on parental fish are investigated while intergenerational effects at environmentally relevant concentrations remain unclear. In this study, F0 zebrafish exposed to IMI and THM (0, 50, and 500 ng L-1) for 144 days post-fertilization (dpf) was allowed to spawn with two modes (internal mating and cross-mating), resulting in four types of F1 generations to investigate the intergenerational effects. IMI and THM affected F0 zebrafish fecundity, gonadal development, sex hormone and VTG levels, with accumulations found in F0 muscles and ovaries. In F1 generation, paternal or maternal exposure to IMI and THM also influenced sex hormones levels and elevated the heart rate and spontaneous movement rate. LncRNA-mRNA network analysis revealed that cell cycle and oocyte meiosis-related pathways in IMI groups and steroid biosynthesis related pathways in THM groups were significantly enriched in F1 offspring. Similar transcriptional alterations of dmrt1, insl3, cdc20, ccnb1, dnd1, ddx4, cox4i1l, and cox5b2 were observed in gonads of F0 and F1 generations. The findings indicated that prolonged paternal or maternal exposure to IMI and THM could severely cause intergenerational toxicity, resulting in developmental toxicity and endocrine-disrupting effects in zebrafish offspring.
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Affiliation(s)
- Jin-Ge Zhang
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Wenjun Shi
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Dong-Dong Ma
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Zhi-Jie Lu
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Si-Ying Li
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Xiao-Bing Long
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, South China Normal University, Guangzhou 510006, China
- School of Environment, South China Normal University, University Town, Guangzhou 510006, China
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Pei H, He Z, Du R, Han C, Sheng Y, Wang J, Zhou X, Li W, Cao C, Sheng J, Wang X. Imidacloprid activates Kupffer cells pyroptosis to induce liver injury in mice via P2X7. Int Immunopharmacol 2023; 119:110179. [PMID: 37099941 DOI: 10.1016/j.intimp.2023.110179] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Revised: 04/05/2023] [Accepted: 04/10/2023] [Indexed: 04/28/2023]
Abstract
AIM This work aimed to investigate the mechanism by which the environmental poison imidacloprid (IMI) induced liver injury. METHODS First of all, IMI at the ED50 = 100 μM was added to treat mouse liver Kupffer cells, thereafter, the occurrence of pyroptosis was detected by flow cytometry (FCM), transmission electron microscope (TEM), immunofluorescence staining, enzyme-linked immunosorbent assay (ELISA), RT-QPCT and Western-Blot (WB) assay. Furthermore, P2X7 expression was knocked out in Kupffer cells, and cells were treated with the P2X7 inhibitor, so as to observe the pyroptosis level induced by IMI after P2X7 suppression. In animal experiments, IMI was used to induce mouse liver injury, then the P2X7 inhibitor and pyroptosis inhibitor were added to treat the mice, respectively, so as to observe the effect on liver injury. RESULTS IMI induced Kupffer cell pyroptosis, P2X7 knockout or P2X7 inhibitor treatment suppressed the effect of IMI and reduced the pyroptosis level. In animal experiments, the application of both P2X7 inhibitor and pyroptosis inhibitor decreased the cell injury level. CONCLUSION IMI induces Kupffer cell pyroptosis via P2X7 and induce liver injury, and inhibiting the occurrence of pyroptosis can suppress the hepatotoxicity of IMI.
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Affiliation(s)
- Hongyan Pei
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China
| | - Zhongmei He
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China.
| | - Rui Du
- College of Chinese Medicinal Materials, Jilin Agricultural University, Changchun 130118, China.
| | - Chenyang Han
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Yongjia Sheng
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Jin Wang
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Xiaohong Zhou
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Wenyan Li
- The Second Affiliated Hospital of Jiaxing University, 314001, China
| | - Chenxi Cao
- The Second Affiliated Hospital of Jiaxing University, 314001, China.
| | - Jian Sheng
- The Second Affiliated Hospital of Jiaxing University, 314001, China.
| | - Xiaoguang Wang
- The Second Affiliated Hospital of Jiaxing University, 314001, China.
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