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Nature 419, 120-121 (12 September 2002) | doi:10.1038/419120a
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.
- More Challenges
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Gastroenterologist
- Florida Gastroenterology Practice
- Florida, USA
Director of NMR
- New York Structural Biology Center
- New York, New York
DNA repair: Right on target with ubiquitin
Cecile M. Pickart
Abstract
Cellular DNA-repair mechanisms prevent mutations from accumulating, thereby averting defects in cell function. A molecule best known for its role in protein degradation is now shown to have a specific task in DNA repair.
The activity of many of the proteins in our cells depends on the chemical 'labels' that are attached to them. A commonly used label is the ubiquitin molecule, which regulates numerous cellular processes1.
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