Silencing the rhythm gene AgCLK-1 reduced feeding of Aphis gossypii
文献类型: 外文期刊
第一作者: Liu, Weijiao
作者: Liu, Weijiao;Yu, Qiqing;Zhu, Xiangzhen;Wang, Li;Zhang, Kaixin;Li, Dongyang;Ji, Jichao;Luo, Junyu;Cui, Jinjie;Gao, Xueke;Liu, Weijiao;Yu, Qiqing;Zhu, Xiangzhen;Wang, Li;Zhang, Kaixin;Li, Dongyang;Ji, Jichao;Luo, Junyu;Cui, Jinjie;Gao, Xueke;Wang, Chuanpeng;Luo, Junyu;Cui, Jinjie;Gao, Xueke
作者机构:
关键词: Aphis gossypii; Rhythm gene; RNA interference; Feeding behavior
期刊名称:INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES ( 影响因子:8.2; 五年影响因子:7.8 )
ISSN: 0141-8130
年卷期: 2024 年 254 卷
页码:
收录情况: SCI
摘要: The cotton aphid Aphis gossypii Glover is an important cotton pest, and means of controlling this insect is a primary research focus. Although biological rhythm is an important mechanism that regulates numerous insect processes and activities, its role in cotton aphid has not been elucidated. In the present study, four highlyexpressed circadian rhythm genes were selected from the cotton aphid genome database and their physicochemical properties and protein structures were analyzed. These genes were in the Takeout, Timeless, and Timeless interacting-related families, and the corresponding proteins contained highly-conserved Swis and TIMELESS domains. Gene expression analysis at multiple developmental stages revealed differing expression patterns between the four genes. AgCLK-1 had the highest relative expression of the four, especially during the nymph period. Silencing AgCLK-1 caused a significant refusal of the cotton aphids to feed at 1, 3, and 5 d of treatment. These results demonstrated that AgCLK-1 played a key role in regulating the feeding behavior of cotton aphid. This new functional understanding provides novel insights into cotton aphid biology and suggests new targeting strategies for agricultural pest control.
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