Fig. 13From: Functional identification of BpMYB21 and BpMYB61 transcription factors responding to MeJA and SA in birch triterpenoid synthesisBetulin, oleanolic acid and betulinic acid content in BpMYB21 and BpMYB61 transgenic birch. a Betulin. b Oleanolic acid. c Betulinic acidBack to article page