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Wu J, Liu F, Sun J, Wei Q, Kang W, Wang F, Zhang C, Zhao M, Xu S, Han B. Toxic effects of acaricide fenazaquin on development, hemolymph metabolome, and gut microbiome of honeybee (Apis mellifera) larvae. CHEMOSPHERE 2024; 358:142207. [PMID: 38697560 DOI: 10.1016/j.chemosphere.2024.142207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/18/2024] [Revised: 04/06/2024] [Accepted: 04/29/2024] [Indexed: 05/05/2024]
Abstract
Fenazaquin, a potent insecticide widely used to control phytophagous mites, has recently emerged as a potential solution for managing Varroa destructor mites in honeybees. However, the comprehensive impact of fenazaquin on honeybee health remains insufficiently understood. Our current study investigated the acute and chronic toxicity of fenazaquin to honeybee larvae, along with its influence on larval hemolymph metabolism and gut microbiota. Results showed that the acute median lethal dose (LD50) of fenazaquin for honeybee larvae was 1.786 μg/larva, and the chronic LD50 was 1.213 μg/larva. Although chronic exposure to low doses of fenazaquin exhibited no significant effect on larval development, increasing doses of fenazaquin resulted in significant increases in larval mortality, developmental time, and deformity rates. At the metabolic level, high doses of fenazaquin inhibited nucleotide, purine, and lipid metabolism pathways in the larval hemolymph, leading to energy metabolism disorders and physiological dysfunction. Furthermore, high doses of fenazaquin reduced gut microbial diversity and abundance, characterized by decreased relative abundance of functional gut bacterium Lactobacillus kunkeei and increased pathogenic bacterium Melissococcus plutonius. The disrupted gut microbiota, combined with the observed gut tissue damage, could potentially impair food digestion and nutrient absorption in the larvae. Our results provide valuable insights into the complex and diverse effects of fenazaquin on honeybee larvae, establishing an important theoretical basis for applying fenazaquin in beekeeping.
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Affiliation(s)
- Jiangli Wu
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Fengying Liu
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Jiajing Sun
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Qiaohong Wei
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Weipeng Kang
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Feng Wang
- Institute of Horticultural Research, Shanxi Academy of Agricultural Sciences, Shanxi Agricultural University, Taiyuan, 030031, China
| | - Chenhuan Zhang
- Zhejiang Provincial Key Laboratory of Biometrology and Inspection & Quarantine, College of Life Sciences, China Jiliang University, Hangzhou, 310018, China
| | - Meijiao Zhao
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
| | - Shufa Xu
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
| | - Bin Han
- State Key Laboratory of Resource Insects, Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing, 100193, China.
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Paoletti F, Sdogati S, Barola C, Giusepponi D, Moretti S, Galarini R. Two-procedure approach for multiclass determination of 64 antibiotics in honey using liquid chromatography coupled to time-of-flight mass spectrometry. Food Control 2022. [DOI: 10.1016/j.foodcont.2022.108893] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Iorizzo M, Ganassi S, Albanese G, Letizia F, Testa B, Tedino C, Petrarca S, Mutinelli F, Mazzeo A, De Cristofaro A. Antimicrobial Activity from Putative Probiotic Lactic Acid Bacteria for the Biological Control of American and European Foulbrood Diseases. Vet Sci 2022; 9:vetsci9050236. [PMID: 35622764 PMCID: PMC9143654 DOI: 10.3390/vetsci9050236] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Revised: 05/02/2022] [Accepted: 05/10/2022] [Indexed: 02/06/2023] Open
Abstract
The balance of the gut microbiome is important for the honey bee’s growth and development, immune function and defense against pathogens. The use of a beneficial bacteria-based strategy for the prevention and biocontrol of American foulbrood (AFB) and European foulbrood (EFB) diseases in honey bees offers interesting prospects. Lactic acid bacteria (LAB) are common inhabitants of the gastrointestinal tract of the honey bee. Among LABs associated with bee gut microbiota, Lactiplantibacillus plantarum (previously Lactobacillus plantarum) and Apilactobacillus kunkeei (formerly classified as Lactobacillus kunkeei) are two of the most abundant species. In this study, four Lactiplantibacillus plantarum strains and four Apilactobacillus kunkeei strains, isolated from the gastrointestinal tract of honey bee (Apis mellifera L.) were selected for their in vitro inhibition ability of Paenibacillus larvae ATCC 9545 and Melissococccus plutonius ATCC 35311. In addition, these LABs have been characterized through some biochemical and functional characteristics: cell surface properties (hydrophobicity and auto-aggregation), carbohydrates assimilation and enzymatic activities. The antimicrobial, biochemical and cell surface properties of these LABs have been functional to their candidature as potential probiotics in beekeeping and for the biocontrol of AFB and EFB diseases.
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Affiliation(s)
- Massimo Iorizzo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
| | - Sonia Ganassi
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
| | - Gianluca Albanese
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
- Correspondence:
| | - Francesco Letizia
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
| | - Bruno Testa
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
| | - Cosimo Tedino
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
| | - Sonia Petrarca
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
- Conaproa, Consorzio Nazionale Produttori Apistici, 86100 Campobasso, Italy
| | - Franco Mutinelli
- Istituto Zooprofilattico Sperimentale delle Venezie (IZSVe), National Reference Laboratory for Honey Bee Health, Viale dell’Università 10, 35020 Legnaro, Italy;
| | - Alessandra Mazzeo
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
| | - Antonio De Cristofaro
- Department of Agricultural, Environmental and Food Sciences, University of Molise, 86100 Campobasso, Italy; (M.I.); (S.G.); (F.L.); (B.T.); (C.T.); (S.P.); (A.M.); (A.D.C.)
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