Comparative Transcriptome Analysis of Cold Tolerance Mechanism in Honeybees (Apis mellifera sinisxinyuan)

文献类型： 外文期刊

第一作者： Shan, Jinqiong

作者： Shan, Jinqiong;Cheng, Ruiyi;Duan, Yujie;Chen, Chao;Magaoya, Tuohudasheng;Chen, Chao

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关键词： honeybees; Apis mellifera sinisxinyuan; cold tolerance; transcriptome; differentially expressed genes

期刊名称：INSECTS （ 影响因子：2.9； 五年影响因子：3.3 ）

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年卷期： 2024 年 15 卷 10 期

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收录情况： SCI

摘要： Simple Summary The Apis mellifera sinisxinyuan is a kind of western honeybee with strong cold hardiness. However, the cold tolerance mechanism of A. m. sinisxinyuan is still not clear. Here, we analyzed the supercooling point and transcriptome data of A. m. sinisxinyuan treated with different temperatures and speculated that honeybees increase their energy to resist cold stress through signaling transduction, hormone regulation, oxidative phosphorylation, and other processes to shivering thermogenesis and regulate their carbohydrate and lipid metabolism. This study provides insight into the cold tolerance mechanisms of honeybees.Abstract Honeybees are important pollinators worldwide that are closely related to agricultural production and ecological balance. The biological activities and geographical distribution of honeybees are strongly influenced by temperature. However, there is not much research on the cold tolerance of honeybees. The Apis mellifera sinisxinyuan, a kind of western honeybee, exhibits strong cold hardiness. Here, we determined that short-term temperature treatment could regulate the honeybee's cold tolerance ability by measuring the supercooling point of A. m. sinisxinyuan treated with different temperatures. Transcriptome data were analyzed between the treated and untreated honeybees. A total of 189 differentially expressed genes were identified. Among them, Abra, Pla1, rGC, Hr38, and Maf were differentially expressed in all comparisons. GO and KEGG analysis showed that the DEGs were enriched in molecular functions related to disease, signal transduction, metabolism, and the endocrine system's function. The main components involved were ribosomes, nucleosomes, proteases, and phosphokinases, among others. This study explored the formation and regulation mechanism of cold tolerance in honeybees, not only providing a theoretical basis for cultivating honeybees with excellent traits but also promoting research and practice on insect stress tolerance.

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