Fig. 2From: Phytochrome B1-dependent control of SP5G transcription is the basis of the night break and red to far-red light ratio effects in tomato floweringSP3D-GUS, SP5G-GUS, SP5G2-GUS, and SP5G3-GUS activity in transgenic Arabidopsis thaliana. GUS-activity was visualized with the chromogenic substrate X-Gluc. a SP3D-GUS, (c) SP5G-GUS, (c) SP5G2-GUS, and (d) SP5G3-GUSBack to article page