FP25045The gibberellic acid responsive GmbHLHm1 transcription factor influences nodule development, nitrogen fixation activity and shoot nitrogen content in soybean (Glycine max)
Die Hu, Zhengyu Wen, Nijat Imin, Kanwarpal S. Dhugga and Brent N. Kaiser 
The genetic regulation of soybean nitrogen fixation is poorly understood. Here, we describe evidence for a membrane bound basic helix loop helix transcription factor (GmbHLHm1) influencing nodule development and nitrogen fixation when either silenced (negative) or overexpressed (positive). We also demonstrate a preliminary link with gibberellic acid in the control of GmbHLHm1 expression in soybean (Glycine max) nodules.
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