Interaction of chlorothalonil and Varroa destructor on immature honey bees rearing in vitro

文献类型： 外文期刊

第一作者： Wu, Tong

作者： Wu, Tong;Gao, Jing;Han, Bo;Yang, Sa;Lu, Ying;Kang, Yuxin;Du, Hanchao;Diao, Qingyun;Dai, Pingli;Choi, Yong Soo;Kim, Dong Won;Lu, Ying;Gao, Jing;Dai, Pingli

作者机构：

关键词： Apis mellifera; Varroa destructor; Fungicides; Survival; Fat body; Genes expression

期刊名称：SCIENCE OF THE TOTAL ENVIRONMENT （ 影响因子：9.8； 五年影响因子：9.6 ）

ISSN： 0048-9697

年卷期： 2023 年 904 卷

页码：

收录情况： SCI

摘要： Under realistic environmental conditions, bees are often exposed to multiple stressors, especially Varroa destructor and pesticides. In this study, the effects of exposure to NOAEC of chlorothalonil during the larval stage, in the presence or absence of V. destructor, was examined in terms of survival, morphological and transcriptional changes. The interaction between chlorothalonil and V. destructor on the survival of honey bee was additive. V. destructor are the dominant factor in the interaction for survival and transcriptome alternation. The downregulation of the genes related to tissue growth and caste differentiation may directly link to the mortality of honey bees. Either chlorothalonil or V. destructor induces the irregular morphology of trophocytes and oenocytes in the fat body. In addition to irregular shapes, oenocytes in V. destructor alone and double-stressor treatment group showed altered nuclei and vacuoles in the cytoplasm. The interaction of V. destructor and chlorothalonil at the larval stage have potential adverse effects on the subsequent adult bees, with up-regulation of genes involved in lipid metabolism and detoxification/defense in fat body tissue. 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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