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Genes acting in longevity-related pathways in the endoparasitoid, Pteromalus puparum.
Archives of Insect Biochemistry and Physiology ( IF 1.5 ) Pub Date : 2019-10-17 , DOI: 10.1002/arch.21635
Shijiao Xiong 1 , Kaili Yu 1 , Xinhai Ye 1 , Qi Fang 1 , Yi Deng 1 , Shan Xiao 1 , Lei Yang 1 , Beibei Wang 1 , Fei Wang 1 , Zhichao Yan 1 , Fang Wang 1 , Qisheng Song 2 , David W Stanley 3 , Gongyin Ye 1
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Among insects, lifespans vary over a broad range, from the short‐lived mayflies to the 17‐year periodical cicadas. Generally, lifespans are determined by a phase in life, the reproductive lifespan, which varies among species. Numerous pathways, such as the insulin/insulin‐like growth factor signaling pathway, the target of rapamycin pathway and the mitogen‐activated protein kinase/extracellular signal‐regulated kinases pathways, influence aging and lifespan. Components of these pathways were identified as lifespan‐related genes, including genes mediating growth, metabolism, development, resistance, and other processes. Many age‐related genes have been discovered in fruit flies, honeybees, and ants among other insect species. Studies of insect aging and longevity can help understand insect biology and develop new pest management technologies. In this paper, we interrogated the new Pteromalus puparum genome, from which we predicted 133 putative lifespan‐related genes based on their homology with known lifespan‐related genes of Drosophila melanogaster. These genes function in five signaling pathways and three physiological processes. The conserved domain structures of these genes were predicted and their expression patterns were analyzed. Amino acid sequence alignments and domain structure analysis indicate that most components remain conserved across at least six insect orders. The data in this paper will facilitate future work on parasitoid lifespans, which may have economic value in biocontrol programs.

中文翻译:

基因在内寄生性寄生虫(Pteromalus puparum)中与寿命相关的途径中起作用。

在昆虫中,寿命从很短的may到17年的周期蝉都有很大的差异。通常,寿命由生命阶段决定,即生殖寿命,在不同物种之间有所不同。许多途径(例如胰岛素/类胰岛素生长因子信号传导途径,雷帕霉素途径的靶标和促分裂原活化的蛋白激酶/细胞外信号调节激酶途径)都会影响衰老和寿命。这些途径的成分被确定为与寿命相关的基因,包括介导生长,代谢,发育,抗性和其他过程的基因。在果蝇,蜜蜂和其他昆虫种类的蚂蚁中发现了许多与年龄相关的基因。对昆虫衰老和寿命的研究可以帮助了解昆虫生物学并开发新的害虫管理技术。紫檀蕨基因组,根据它们与果蝇果蝇已知寿命相关基因的同源性,从中预测了133个与寿命有关的基因。这些基因在五个信号通路和三个生理过程中起作用。预测了这些基因的保守结构域结构,并分析了它们的表达模式。氨基酸序列比对和结构域结构分析表明,大多数组分在至少六个昆虫阶中保持保守。本文中的数据将有助于今后对拟寄生虫寿命的研究,这可能在生物防治计划中具有经济价值。
更新日期:2019-10-17
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