Sergej Djuranovic and Laura Arthur, Washington University School of Medicine (IMAGE)
Caption
Sergej Djuranovic (right) and graduate student Laura Arthur look at plates of bacteria producing precisely calibrated levels of a protein. The two are part of a team that has developed a new technique -- effective in species as diverse as bacteria, plants and humans -- to regulate how much protein is produced from a particular gene. The technique will help biologists tinker with genes, whether the goal is to turn cells into tiny factories churning out medicines, modify crops to grow with limited water or study the effects of a gene on human health.
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Robert Boston
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