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Interactive effects of dinotefuran and Nosema ceranae on the survival status and gut microbial community of honey bees

文献类型： 外文期刊

作者： Liu, Linlin 1 ; Shi, Min 2 ; Wu, Yanyan 1 ; Xie, Xianbing 4 ; Li, Shanshan 1 ; Dai, Pingli 1 ; Gao, Jing 1 ;

作者机构： 1.Chinese Acad Agr Sci, Inst Apicultural Res, State Key Lab Resource Insects, Beijing 100193, Peoples R China

2.Qiqihar Univ, Coll Life Sci Agr & Forestry, Qiqihar 161006, Peoples R China

3.Shanghai Normal Univ, Coll Life Sci, Dev Ctr Plant Germplasm Resources, Shanghai 201418, Peoples R China

4.Nanchang Univ, Dept Lab Anim Sci, Nanchang 330031, Peoples R China

关键词： Apis mellifera; Nosema ceranae; Neonicotinoids; Dinotefuran; Gut microbiota

期刊名称：PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY （ 影响因子：4.7； 五年影响因子：4.7 ）

ISSN： 0048-3575

年卷期： 2024 年 200 卷

页码：

收录情况： SCI

摘要： Growing evidences have shown that the decline in honey bee populations is mainly caused by the combination of multiple stressors. However, the impacts of parasitic Nosema ceranae to host fitness during long-term pesticide exposure -induced stress is largely unknown. In this study, the effects of chronic exposure to a sublethal dose of dinotefuran, in the presence or absence of N. ceranae, was examined in terms of survival, food consumption, detoxification enzyme activities and gut microbial community. The interaction between dinotefuran and Nosema ceranae on the survival of honey bee was synergistic. Co -exposure to dinotefuran and N. ceranae led to less food consumption and greater changes of enzyme activities involved in defenses against oxidative stress. Particularly, N. ceranae and dinotefuran-N. ceranae co -exposure significantly impacted the gut microbiota structure and richness in adult honey bees, while dinotefuran alone did not show significant alternation of core gut microbiota compared to the control group. We herein demonstrated that chronical exposure to dinotefuran decreases honey bee's survival but is not steadily associated with the gut microbiota dysbiosis; by contrast, N. ceranae parasitism plays a dominant role in the combination in influencing the gut microbial community of the host honey bee. Our findings provide a comprehensive understanding of combinatorial effects between biotic and abiotic stressors on one of the most important pollinators, honey bees.

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