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Nuclear roles for cilia-associated proteins

机译:纤毛相关蛋白的核作用

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Cilia appear to be derived, evolutionarily, from structures present in the ancestral (pre-ciliary) eukaryote, such as microtubule-based vesicle trafficking and chromosome segregation systems. Experimental observations suggest that the ciliary gate, the molecular complex that mediates the selective molecular movement between cytoplasmic and ciliary compartments, shares features with nuclear pores. Our hypothesis is that this shared transport machinery is at least partially responsible for the observation that a number of ciliary and ciliogenesis-associated proteins are found within nuclei where they play roles in the regulation of gene expression, DNA repair, and nuclear import and export. Recognizing the potential for such nuclear roles is critical when considering the phenotypic effects that arise from the mutational modification of ciliary proteins.
机译:纤毛似乎从进化上衍生自祖先(纤毛前)真核生物中的结构,例如基于微管的囊泡运输和染色体分离系统。实验观察表明,纤毛门是介导细胞质和纤毛区室之间选择性分子运动的分子复合物,具有与核孔相同的特征。我们的假设是,这种共享的运输机制至少部分负责观察到在核内发现了许多与纤毛和纤毛发生相关的蛋白质,它们在调节基因表达,DNA修复以及核的进出口中发挥作用。当考虑由睫状蛋白的突变修饰引起的表型效应时,认识到这种核作用的潜力至关重要。

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