News tagged with dna structure

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Special chromosomal structures control key genes

Within almost every human cell is a nucleus six microns in diameter—about one 300th of a human hair's width—that is filled with roughly three meters of DNA. As the instructions for all cell processes, the DNA must be ...

Oct 09, 2014
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Base-pairing protects DNA from UV damage

Ludwig Maximilian University of Munich researchers have discovered a further function of the base-pairing that holds the two strands of the DNA double helix together: it plays a crucial role in protecting ...

Sep 19, 2014
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To watch DNA unwrap, blank out the proteins

Biophysics is a science of shapes – the shapes of molecules like DNA as they wrap and unwrap around protein cores, for instance. Cornell researchers have unveiled a new method for observing such processes ...

Aug 12, 2014
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DNA double helix measurements

Researchers at the National Physical Laboratory (NPL) and the London Centre for Nanotechnology (LCN) have determined the structure of DNA from measurements on a single molecule using atomic force microscopy ...

May 15, 2014
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Fluorescent jungle gyms made of DNA

(Phys.org) —The 1966 movie Fantastic Voyage presented a vision of the future that includes tiny machines gliding through the body and repairing injuries. Almost 50 years later, scientists are figuring out ...

Mar 17, 2014
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Untying DNA knots

Structural biologists at the Friedrich Miescher Institute for Biomedical Research have resolved the 3D structure of a protein machine that plays an important part in the maintenance of genomic stability. ...

Feb 21, 2014
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