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. 2002 Oct;130(2):709–719. doi: 10.1104/pp.009993

Figure 3.

Figure 3

3′-Deletion analysis of the ProDH promoter for the l-Pro- and hypoosmolarity-responsive induction of the LUC reporter gene in transgenic tobacco and Arabidopsis plants. A, Schematics of the 3′-terminal deletions of promoters fused to the LUC reporter gene. Arrows indicate 9-bp direct repeat sequences. B, LUC activity in transgenic tobacco plants containing 3′-terminal deletions of the ProDH promoter fused to LUC. T1 leaves of tobacco were incubated in DW or in 0.09 m l-Pro for 24 h. LUC activity was measured in 20 independently obtained transgenic plants for each construct. Multiplication factors of induction of LUC activity by DW and l-Pro treatments are shown on the right. Bars indicate se. C, LUC activity in transgenic Arabidopsis plants containing 3′-terminal deletions of the ProDH promoter fused to the LUC reporter gene. T2 seedlings of Arabidopsis were incubated in DW or 0.09 m l-Pro for 24 h. LUC activity was measured in seven independent transformant lines for each construct. We measured three plants for each line and showed average values.