News tagged with gene activity

Activating ALC1: With a little help from friends

Chromatin remodeling—the packaging and unpackaging of genomic DNA and its associated proteins—regulates a host of fundamental cellular processes including gene transcription, DNA repair, programmed cell death as well ...

dateNov 29, 2012 in Biochemistry
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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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Functional genomics gets tiny

A little more than a decade ago, researchers discovered an ancient mechanism that cells use to silence genes. Like a dimmer switch turning down a light, RNA interference (RNAi) dials down gene activity in simple organisms ...

dateMay 17, 2012 in Cell & Microbiology
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