Microtubule-dependent microtubule nucleation in plant cells
Microtubule-dependent microtubule nucleation in plant cells
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DOI：
10.1007/s10265-006-0054-z
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发表时间：
2007-01-01
影响因子：
2.8
通讯作者：
Hasebe, Mitsuyasu
中科院分区：
文献类型：
--
作者：
Murata, Takashi;Hasebe, Mitsuyasu
微管成核位点的调控是微管组织的重要步骤。绿色植物细胞的皮层微管阵列以一种独特的方式组织-阵列是在缺乏先前公认的微管成核细胞器的情况下形成的，例如中心体和纺锤极体。皮层阵列中的微管最近被发现通过细胞质γ -微管蛋白的募集而在先前存在的微管上作为分支成核。本文简要综述了微管依赖性微管成核的机制，并讨论了该机制在其他细胞过程及其进化中的可能作用。
Regulation of microtubule nucleation sites is an essential step in microtubule organization. Cortical microtubule arrays in green plant cells at inter-phase are organized in a distinct manner - the array is formed in the absence of previously recognized organelles for microtubule nucleation, for example the centrosome and spindle pole body. Microtubules in the cortical array were recently found to be nucleated as branches on pre-existing microtubules via recruitment of cytosolic gamma-tubulin. In this review we briefly summarize the mechanism of microtubule-dependent microtubule nucleation and discuss a possible role of this mechanism in other cellular processes and their evolution.