When DNA Gets Sent to Time-Out

For a skin cell to do its job, it must turn on a completely different set of genes than a liver cell -- and keep genes it doesn't need switched off. One way of turning off large groups of genes at once is to send them to "time-out" at the edge of the nucleus. New research shows how DNA gets sent to the nucleus' far edge, a process critical to controlling genes and determining cell fate.

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