Four-way regulation of mosquito yolk protein precursor genes by juvenile hormone-, ecdysone-, nutrient-, and insulin-like peptide signaling pathways.

Four-way regulation of mosquito yolk protein precursor genes by juvenile hormone-, ecdysone-, nutrient-, and insulin-like peptide signaling pathways.
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DOI:
10.3389/fphys.2014.00103
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发表时间:
2014
影响因子:
4
通讯作者:
Drake LL
Drake LL
中科院分区:
医学2区
文献类型:
--
作者:
Hansen IA;Attardo GM;Rodriguez SD;Drake LL

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雌蚊需要进食脊椎动物的血液,以启动脂肪体产生卵黄蛋白前体。卵黄蛋白前体基因的表达在血餐相关信号激活它之前处于停滞状态,并且表达水平迅速上升。卵黄蛋白前体基因调控的最好理解的例子是黄热病蚊子埃及伊蚊的卵黄蛋白原-A基因(vg)。Vg-A受(1)保幼激素信号传导、(2)蜕皮激素信号级联、(3)营养敏感性雷帕霉素靶信号传导途径和(4)胰岛素样肽(ILP)信号传导途径调节。自2005年对这一主题进行最后一次综述以来,大量的新研究已经完善了我们对卵黄蛋白前体基因调控的理解(Attardo et al.,)。本文综述了这四种信号通路在调节vg-A中的作用,并重点介绍了它们之间在生物体水平上相互作用的新发现。
Anautogenous mosquito females require a meal of vertebrate blood in order to initiate the production of yolk protein precursors by the fat body. Yolk protein precursor gene expression is tightly repressed in a state-of-arrest before blood meal-related signals activate it and expression levels rise rapidly. The best understood example of yolk protein precursor gene regulation is the vitellogenin-A gene (vg) of the yellow fever mosquito Aedes aegypti. Vg-A is regulated by (1) juvenile hormone signaling, (2) the ecdysone-signaling cascade, (3) the nutrient sensitive target-of-rapamycin signaling pathway, and (4) the insulin-like peptide (ILP) signaling pathway. A plethora of new studies have refined our understanding of the regulation of yolk protein precursor genes since the last review on this topic in 2005 (Attardo et al.,). This review summarizes the role of these four signaling pathways in the regulation of vg-A and focuses upon new findings regarding the interplay between them on an organismal level.
卵巢的雌激素激素独立于黄热病蚊子中的胰岛素受体,埃及埃及。
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