Figure 4

Overexpression of ERF4-R or ERF4-A produce contrasting phenotypes.
(A) Relative luciferase activities after cobombardment of Arabidopsis suspension cells with the GAL4GCC-LUC reporter gene. Data represent the mean and standard error of three biological replicates. Asterisks indicate differences from the empty vector control (P < 0.05). (B) Representative 6-week-old plants grown under long day conditions showing the morphological effects of ERF4-A and ERF4-R ORF overexpression.