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Planting roots

ID Number
2329

Description
At the root tips of the mustard plant Arabidopsis thaliana (red), two proteins work together to control the uptake of water and nutrients. When the cell division-promoting protein called Short-root moves from the center of the tip outward, it triggers the production of another protein (green) that confines Short-root to the nutrient-filtering endodermis. The mechanism sheds light on how genes and proteins interact in a model organism and also could inform the engineering of plants.

Featured in the May 16, 2007, issue of Biomedical Beat.

Type
Photograph

Source
Philip Benfey, Duke University

Credit Line
Hongchang Cui, Duke University