Fused has evolved divergent roles in vertebrate Hedgehog signalling and motile ciliogenesis.
Fused has evolved divergent roles in vertebrate Hedgehog signalling and motile ciliogenesis.
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DOI:
10.1038/nature07883
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发表时间:
2009-05-07
期刊:
影响因子:
64.8
通讯作者:
Chuang, Pao-Tien
中科院分区:
文献类型:
--
作者:
Wilson, Christopher W.;Nguyen, Catherine T.;Chen, Miao-Hsueh;Yang, Jehn-Hsiahn;Gacayan, Rhodora;Huang, Jie;Chen, Jau-Nian;Chuang, Pao-Tien
Hedgehog (Hh) signaling is essential for multiple aspects of embryogenesis. In Drosophila, Hh transduction is mediated by a cytoplasmic signaling complex that includes the putative serinethreonine kinase Fused (Fu) and the kinesin Costal 2 (Cos2), yet Fu does not play a conserved role in Hh signaling in mammals. Mouse Fu mutants are viable and appear to respond normally to Hh signaling. Here we show that mouse Fu is essential for construction of the central pair (CP) apparatus of motile, 9+2 cilia and offers a novel model of human primary ciliary dyskinesia. We found that mouse Fu physically interacts with Kif27, a mammalian Cos2 ortholog, and linked Fu to known structural components of the CP apparatus, providing evidence for the first regulatory component involved in CP construction. We also demonstrated that zebrafish Fu is required both for Hh signaling and cilia biogenesis in Kupffer’s vesicle. Mouse Fu rescued both Hh-dependent and independent defects in zebrafish. Our results delineate a novel pathway for CP apparatus assembly, identify common regulators of Hh signaling and motile ciliogenesis, and add insight into evolution of the Hh cascade.
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影响因子:
5.3
作者:
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通讯作者:
de Sauvage, FJ
影响因子:
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Strauss, JF
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通讯作者:
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