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Oct 31, 2011

Cofilin severs the ties between cytokinetic nodes

Cytokinetic nodes are precursor structures that assemble into the actomyosin contractile ring that separates daughter cells in cytokinesis. Chen and Pollard describe how the actin-severing protein cofilin promotes the rapid formation of a complete contractile ring by...

Oct 3, 2011

The ERM protein Moesin helps mitotic cells undergo a series of dramatic shape changes by linking the actin cytoskeleton to the plasma membrane. Roubinet et al. describe how Moesin's localization and activity is regulated over the course of the cell cycle by two different pathways that control Moesin phosphorylation and...