745091.fig.004a
(a)
745091.fig.004b
(b)
745091.fig.004c
(c)
Figure 4: Spatial-temporal expression of 13 PthERFs under drought stress in different tissues. Relative expression level was log2 transformed: >0, upregulation; =0, no change in regulation; <0, downregulation: (a) in roots; (b) in stems; (c) in leaves.