News tagged with double helix

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'Quadruple helix' DNA discovered in human cells

In 1953, Cambridge researchers Watson and Crick published a paper describing the interweaving 'double helix' DNA structure - the chemical code for all life. Now, in the year of that scientific landmark's 60th Anniversary, ...

Jan 20, 2013
4.5 / 5 (58) 18 | with audio podcast

Study shows how DNA finds its match

It's been more than 50 years since James Watson and Francis Crick showed that DNA is a double helix of two strands that complement each other. But how does a short piece of DNA find its match, out of the millions ...

Feb 08, 2012
4.8 / 5 (16) 2 | with audio podcast

Scientists show how men amp up their X chromosome

What makes a man? His clothes? His car? His choice of scotch? The real answer, says Brown University biologist Erica Larschan, is the newly understood activity of a protein complex that, like a genetic power tool, gives enzymes ...

Mar 02, 2011
5 / 5 (6) 0 | with audio podcast

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
5 / 5 (5) 2

DNA and the 'magic rings' trick

(PhysOrg.com) -- A new study from UC Davis shows how, like a conjuring trick with interlocking rings, two interlocked pieces of DNA are separated after DNA is copied or repaired. The finding was published online Oct. 10 in ...

Oct 11, 2010
5 / 5 (5) 2 | with audio podcast