News tagged with gene activity

Stem cells: Tuning the death sentence

In this week's issue of Science Signaling (22 January, 2013), Danen and colleagues of the Division of Toxicology of LACDR report novel insights into the question how stem cells decide to commit suicide when their DNA is damaged.

dateJan 23, 2013 in Cell & Microbiology
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Making and breaking heterochromatin

To fit the two-meter long DNA molecule into a cell nucleus that is only a few thousandths of a millimetre in size, long sections of the DNA must be strongly compacted. Epigenetic marks maintain these sections, known as heterochromatin. ...

dateSep 25, 2012 in Cell & Microbiology
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