The yeast nuclear pore complex and transport through it.

The yeast nuclear pore complex and transport through it.
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DOI:
10.1534/genetics.111.127803
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发表时间:
2012-03
期刊:
影响因子:
3.3
通讯作者:
Rout MP
Rout MP
中科院分区:
生物学2区
文献类型:
--
作者:
Aitchison JD;Rout MP

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细胞核和细胞质之间的大分子交换是细胞基因组表达的关键调控事件。这种交换需要一个专门的运输系统:(1)嵌入核膜的核孔复合体(NPC),由称为核孔蛋白(NUP)的蛋白质组成,以及(2)识别要运输的货物并将其运送到NP的核运输因子。这种转运是在多个水平上调节的,NPC本身也通过影响核结构和作为各种核过程的控制点在基因表达中发挥关键调节作用。在这里,我们总结了酵母是如何被广泛地作为一个模型系统来理解这个运输系统的基本和高度保守的特征的,揭示了NPC的结构和功能,NPC在基因表达调控中的作用,以及运输因子与它们的货物、调节因子和特定的核孔蛋白的相互作用。
Exchange of macromolecules between the nucleus and cytoplasm is a key regulatory event in the expression of a cell’s genome. This exchange requires a dedicated transport system: (1) nuclear pore complexes (NPCs), embedded in the nuclear envelope and composed of proteins termed nucleoporins (or “Nups”), and (2) nuclear transport factors that recognize the cargoes to be transported and ferry them across the NPCs. This transport is regulated at multiple levels, and the NPC itself also plays a key regulatory role in gene expression by influencing nuclear architecture and acting as a point of control for various nuclear processes. Here we summarize how the yeast Saccharomyces has been used extensively as a model system to understand the fundamental and highly conserved features of this transport system, revealing the structure and function of the NPC; the NPC’s role in the regulation of gene expression; and the interactions of transport factors with their cargoes, regulatory factors, and specific nucleoporins.
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发表时间: 1995-12
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影响因子: --
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