What Is 4-Strand DNA & Why Are Scientists So Excited?

We've all learned that DNA is a double helix, but it's more complex than we may think. What other configurations can DNA have?

Is Traveling in Our DNA? - http://bit.ly/1ZyqcyY
Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI

Read More:

Supercoiled DNA: Double Helix Gone Wild
http://news.discovery.com/tech/biotec...
"The iconic double helix shape of DNA is one of the most famous images in all of science. The structure, formed by double-stranded molecules of nucleic acids, was discovered by researchers James Watson and Francis Crick, and popularized in Watson's 1978 book 'The Double Helix: A Personal Account of the Discovery of the Structure of DNA.'"

Supercoiled DNA is far more dynamic than the 'Watson-Crick' double helix
http://www.eurekalert.org/pub_release...
"Researchers have imaged in unprecedented detail the three-dimensional structure of supercoiled DNA, revealing that its shape is much more dynamic than the well-known double helix."

'Quadruple helix' DNA seen in human cells
http://www.bbc.com/news/science-envir...
"Cambridge University scientists say they have seen four-stranded DNA at work in human cells for the first time. The famous "molecule of life", which carries our genetic code, is more familiar to us as a double helix."
____________________

DNews is dedicated to satisfying your curiosity and to bringing you mind-bending stories & perspectives you won't find anywhere else! New videos twice daily.

Watch More DNews on TestTube http://testtube.com/dnews

Subscribe now! http://www.youtube.com/subscription_c...

DNews on Twitter   / dnews  

Trace Dominguez on Twitter   / tracedominguez  

DNews on Facebook   / discoverynews  

DNews on Google+ http://gplus.to/dnews

Discovery News http://discoverynews.com

Download the Seeker Daily App: http://testu.be/1ndmmMq

Sign Up For The Seeker Newsletter Here - http://bit.ly/1UO1PxI