Fig. 7

Validation of twelve chloroplastic PPR transcripts evaluated in A. angustifolia by qRT-PCR. Expression levels for each transcript were normalized using 2–ΔΔCT, taking the GL tissue as the reference expression level. The values of the means and the standard error are represented in each graph. The bars with different letters indicate significant differences between tissues according to Tukey’s test (p < 0.05). GL: leaf from green plantlet, GM: meristem from green plantlet, AL: leaf from albino plantlet, AM: meristem from albino plantlet