Figure 4
From: Polycomb Repressive Complex 2 attenuates the very high expression of the Arabidopsis gene NRT2.1
CLF and H3K27me3 control NRT2.1 expression in NRT2.1-expressing root tissues. Histochemical localization of GUS expression on root transversal sections of 7 days-old Arabidopsis WT (A) and clf-29 (B) lines containing ProNRT21:GUS, and grown under low nitrate (0.3 mM NO3−) condition. Bar = 25 µm.
