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. 2018 Mar 12;9:292. doi: 10.3389/fpls.2018.00292

FIGURE 2.

FIGURE 2

Analysis of the GmPAP14 promoter in transgenic plants containing the GmPAP14 promoter-GUS (PGmPAP14-GUS) reporter. (A) Histochemical localisation of GUS activity in transgenic plants (1) germinating seed. (2) 2-day-old seedling. (3) Root tip of 15-day-old seedling. The scale bar = 100 μm. (B) Analysis of the GmPAP14 promoter response to the Po condition. The plants were sown in vermiculite and treated with KH2PO4 (+Pi) or Phytate (+Po). After 15, 20, and 30 days, the samples were harvested for GUS staining. The scale bar = 50 μm.