One Ring to Rule them All? Structural and Functional Diversity in the Nuclear Pore Complex.

One Ring to Rule them All? Structural and Functional Diversity in the Nuclear Pore Complex.
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DOI:
10.1016/j.tibs.2021.01.003
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发表时间:
2021-07
影响因子:
13.8
通讯作者:
Rout MP
Rout MP
中科院分区:
生物学1区
文献类型:
--
作者:
Fernandez-Martinez J;Rout MP

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核孔复合体(NPC)是调节大分子在细胞核和细胞质之间运输的大量蛋白质集合。最近的突破为不同真核生物中NPC的结构提供了重要的见解,揭示了以前意想不到的NPC结构的多样性。同时,鼻咽癌已被证明是调控染色质组织、基因表达或DNA修复等基本核过程的关键参与者。然而,我们对NPC结构的了解还不能解决其调控作用的分子机制。我们讨论了可能的解释,包括具有特定功能角色的可选NPC架构的共存。
The nuclear pore complex (NPC) is the massive protein assembly that regulates transport of macromolecules between the nucleus and the cytoplasm. Recent breakthroughs have provided major insights into the structure of the NPC in different eukaryotes, revealing a previously unsuspected diversity of NPC architectures. In parallel, the NPC has been shown to be a key player in regulating essential nuclear processes such as chromatin organization, gene expression, or DNA repair. However, our knowledge of the NPC structure has not been able to address the molecular mechanisms underlying its regulatory roles. We discuss potential explanations, including the coexistence of alternative NPC architectures with specific functional roles.
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