Link between cell division and growth rate: Puzzling question of how cells know when to progress through the cell cycle answered

Sunday, August 5, 2012 - 15:20 in Biology & Nature

It's a longstanding question in biology: How do cells know when to progress through the cell cycle? Researchers have now precisely measured the growth rates of single cells, allowing them to answer that fundamental question. They report that mammalian cells divide not when they reach a critical size, but when their growth rate hits a specific threshold.

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