Molecular Evidence thatLysiphlebia japonicaRegulates the Development and Physiological Metabolism ofAphis gossypii

文献类型： 外文期刊

第一作者： Gao, Xueke

作者： Gao, Xueke;Luo, Junyu;Ji, Jichao;Zhang, Lijuan;Niu, Lin;Zhu, Xiangzhen;Wang, Li;Zhang, Shuai;Cui, Jinjie;Xue, Hui

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关键词： proteome; transcriptome; parasitism; immunization; lipid

期刊名称：INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES （ 影响因子：5.923； 五年影响因子：6.132 ）

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年卷期： 2020 年 21 卷 13 期

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收录情况： SCI

摘要： Lysiphlebia japonicaAshmead (Hymenoptera, Braconidae) is an endophagous parasitoid andAphis gossypiiGlover (Hemiptera, Aphididae) is a major pest in cotton. The relationship between insect host-parasitoids and their hosts involves complex physiological, biochemical and genetic interactions. This study examines changes in the development and physiological metabolism ofA. gossypiiregulated byL. japonica. Our results demonstrated that both the body length and width increased compared to non-parasitized aphids. We detected significantly increases in the developmental period as well as severe reproductive castration following parasitization byL. japonica. We then used proteomics to characterize these biological changes, and when combined with transcriptomes, this analysis demonstrated that the differential expression of mRNA (up or downregulation) captured a maximum of 48.7% of the variations of protein expression. We assigned these proteins to functional categories that included immunity, energy metabolism and transport, lipid metabolism, and reproduction. We then verified the contents of glycogen and 6-phosphate glucose, which demonstrated that these important energy sources were significantly altered following parasitization. These results uncover the effects onA. gossypiifollowing parasitization byL. japonica, additional insight into the mechanisms behind insect-insect parasitism, and a better understanding of host-parasite interactions.

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