Supplementary Figure 15: Complete HPLC data at 530 nm, the wavelength for detecting betanin.

(a) 35S::GUS in Albina Vereduna roots. (b) 35S::BvMYB1 in Albina Vereduna roots. These HPLC data correspond to the mass spectrometry data shown in Figure 1e, f. The betanin peak is at minute 3.01.