Microtubule plus-end-tracking proteins: mechanisms and functions

被引:248
作者
Akhmanova, A
Hoogenraad, CC
机构
[1] Erasmus MC, Dept Cell Biol & Genet, NL-3000 DR Rotterdam, Netherlands
[2] MIT, Picower Ctr Learning & Mem, Cambridge, MA 02139 USA
关键词
D O I
10.1016/j.ceb.2004.11.001
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Microtubule plus-end-tracking proteins (+TIPs) are a diverse group of molecules that display dynamic accumulation at the distal ends of growing microtubules. Specific binding to the growing microtubule tip coupled with quick detachment from the older lattice, plus-end-directed transport, and association with other +TIPs can all contribute to this protein localisation. +TIPs act mainly as microtubule-stabilising factors and at the same time often link microtubule ends to various cellular structures, such as the cell cortex or kinetochores. Regulation of the activity of +TIPs has profound effects on the shape of the microtubule network and plays an essential role in cell division, motility and morphogenesis.
引用
收藏
页码:47 / 54
页数:8
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