Control of cortical contractility during cytokinesis

被引：36

作者：

Werner, Michael ^{[1
]}

Glotzer, Michael ^{[1
]}

机构：

[1] Univ Chicago, Dept Mol Genet & Cell Biol, Chicago, IL 60637 USA

来源：

BIOCHEMICAL SOCIETY TRANSACTIONS | 2008年 / 36卷

关键词：

astral microtubule; central spindle; cytokinesis; furrow formation; RhoA;

D O I：

10.1042/BST0360371

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Cleavage furrow formation in animal cells results from a local increase in cortical contractility. During anaphase, the spindle contains, in addition to astral arrays of microtubules, a set of bundled microtubules known as the central spindle. Each of these populations of microtubules, the astral arrays and the central spindle bundles, is sufficient to direct cleavage furrow formation, yet in wild-type situations these sets of microtubules co-operate to induce furrow formation at the same site, between the segregating chromosomes. These pathways have distinct genetic requirements that reflect their differential control of cortical actomyosin. We review our current understanding of the molecular mechanisms of furrow formation, with particular emphasis on the central spindle-independent pathway.

引用

页码：371 / 377

页数：7

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