Figure 1 (IMAGE)

Tohoku University

Figure 1

Caption

NDB1 controls nitrogen assimilation in an environmental-nitrogen-dependent manner. When environmental nitrogen is poor, the uptake of nitrogen must be done at a high rate. The transcription factor MYB1 is translocated into the nucleus and activates transcription of the nitrogen-assimilation-related genes. In nitrogen-rich conditions, it is conceivable that MYB1 is bound by the NDB1 protein. This interaction interferes with the nuclear translocation of MYB1 and therefore, nitrogen assimilation is suppressed.

Credit

ⒸImamura et al.

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