Loops, loops, and more loops: This is how your DNA gets organized

http://ift.tt/eA8V8J A living cell is able to neatly package a big jumble of DNA into chromosomes while preparing for cell division. For over a century, scientists have been puzzled for decades on how the process works. Researchers now managed for the first time to isolate and film the process, and witnessed -- in real time -- how a single protein complex called condensin reels in DNA to extrude a loop.

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