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Essay
Nature 439, 539 (2 February 2006) | doi:10.1038/439539a; Published online 1 February 2006
Open Innovation Challenges
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Protect Enzyme from In Planta Degradation
A proposal for stable expression of an enzyme in corn seed is desired.
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Fast Growth of Transformed Soybean Shoots
A method for accelerating growth of soybean shoots is desired.
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Electrophysiologist
- Eisai London Research Laboratories Ltd
- Hatfield, United Kingdom
Faculty positions
- The University of Alabama at Birmingham
- Birmingham, Alabama, USA
Concept The third Bond
Simon Wain-Hobson1
- Simon Wain-Hobson is at the Pasteur Institute, Paris.
Abstract
When James Watson and Francis Crick unveiled their structure of DNA, one of the two kinds of base pair in the molecule was given two hydrogen bonds instead of three. Who spotted the third bond and when?
It is a truth universally acknowledged that a guanine–cytosine (GC) base pair has three hydrogen bonds whereas adenine–thymine (AT) has two. But James Watson and Francis Crick didn't see it that way back in 1953 when they published the structure of DNA.
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NEWS AND VIEWS
Molecular Structure of Nucleic Acids: A Structure for Deoxyribose Nucleic Acid (Reprinted from Nature, April 25, 1953)Nature News and Views (01 Nov 1969)
Obituary Francis Crick (1916?2004)Nature News and Views (19 Aug 2004)
A new twist for DNA?Nature News and Views (03 Jan 1980)
