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University of Bonn

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If nitrogen levels in the soil are low, wheat varieties with a favorable NPF2.12 gene variant (left) initiate an important signaling cascade: Nitric oxide (NO), an important second messenger, stimulates root growth. This increases the supply of nitrogen and the plant thrives better overall. Without this preferred NPF2.12 gene variant, the plants (right) remain small and stunted under these conditions.

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© Md. Nurealam Siddiqui

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