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. 2021 Nov 24;10(12):3283. doi: 10.3390/cells10123283

Figure 2.

Figure 2

Effect of polyamines and stress-related plant hormones on the GUS activity in three transgenic Arabidopsis lines, #3, #4, and #11, carrying the OsPAO6 promoter-GUS construct. (A) The relative GUS activity of 7-day-old seedlings after treatment with 5 mM putrescine (Put), 1 mM spermidine (Spd), or 0.5 mM spermine (Spm) for 24 h. (B) The relative GUS activity of 7-day-old seedlings after treatment with 10 μM IAA, 5 μM kinetin, 1 μM ABA, 10 μM ACC, 2 μM MeJA, 1 mM NaSA, or 0.3% hydrogen peroxide for 24 h. Data are expressed as mean values ± SD (n = 3). Asterisks indicate the statistical significance analyzed with Student’s t-test (** p < 0.01).