Don't cut too soon


JCB • VOLUME 173 • NUMBER 3 • 2006 316 C aren Norden, Manuel Mendoza, Yves Barral (ETH, Zurich, Switzerland), and colleagues have found a new checkpoint in yeast cell division. Cytokinesis, they show, is delayed until chromosomes are out of the way, thanks to a pathway that monitors the spindle midzone. If cytokinesis were to occur too soon, chromatids… (More)