'Short-root & ''Scarecrow'''

'Short-root & ''Scarecrow'''

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Credit: SCIENCE SOURCE/SCIENCE PHOTO LIBRARY

Caption: 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 centre of the tip outward, it triggers the production of another protein (aka ''Scarecrow'' -in 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.

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Keywords: arabadopsis thaliana, botany, cells, endodermis, fluorescent, genes, medical sciences, micrograph, microscopy, mustard, mustard plant, national institute of general, nature, nigms, plant, plants, protein, research, root, root tip, roots, scarecrow, science, short-route

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