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首页> 外文期刊>Cell Reports >Hedgehog Signaling Regulates the Ciliary Transport of Odorant Receptors in Drosophila
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Hedgehog Signaling Regulates the Ciliary Transport of Odorant Receptors in Drosophila

机译:刺猬信号调节果蝇气味受体的纤毛运输。

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Hedgehog (Hh) signaling is a key regulatory pathway during development and also has a functional role in mature neurons. Here, we show that Hh signaling regulates the odor response in adult Drosophila olfactory sensory neurons (OSNs). We demonstrate that this is achieved by regulating odorant receptor (OR) transport to and within the primary cilium in OSN neurons. Regulation relies on ciliary localization of the Hh signal transducer Smoothened (Smo). We further demonstrate that the Hh- and Smo-dependent regulation of the kinesin-like protein Cos2 acts in parallel to the intraflagellar transport system (IFT) to localize ORs within the cilium compartment. These findings expand our knowledge of Hh signaling to encompass chemosensory modulation and receptor trafficking.
机译:刺猬(Hh)信号传导是发育过程中的关键调控途径,在成熟神经元中也具有功能性作用。在这里,我们显示Hh信号调节成人果蝇嗅觉感觉神经元(OSNs)的气味反应。我们证明这是通过调节气味受体(OR)转运到OSN神经元内的初级纤毛和在纤毛内实现的。调节取决于Hh信号传感器“平滑化”(Smo)的睫状定位。我们进一步证明,驱动蛋白样蛋白Cos2的Hh和Smo依赖调节平行于鞭毛内转运系统(IFT)来定位纤毛区室内的OR。这些发现扩展了我们对Hh信号的了解,以涵盖化学感觉调节和受体运输。

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