The contribution of αβ-tubulin curvature to microtubule dynamics.
The contribution of αβ-tubulin curvature to microtubule dynamics.
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DOI:
10.1083/jcb.201407095
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发表时间:
2014-11-10
期刊:
影响因子:
--
通讯作者:
Rice LM
中科院分区:
文献类型:
--
作者:
Brouhard GJ;Rice LM
Microtubules are dynamic polymers of αβ-tubulin that form diverse cellular structures, such as the mitotic spindle for cell division, the backbone of neurons, and axonemes. To control the architecture of microtubule networks, microtubule-associated proteins (MAPs) and motor proteins regulate microtubule growth, shrinkage, and the transitions between these states. Recent evidence shows that many MAPs exert their effects by selectively binding to distinct conformations of polymerized or unpolymerized αβ-tubulin. The ability of αβ-tubulin to adopt distinct conformations contributes to the intrinsic polymerization dynamics of microtubules. αβ-Tubulin conformation is a fundamental property that MAPs monitor and control to build proper microtubule networks.
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