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. 2010 Sep 27;62(2):545–555. doi: 10.1093/jxb/erq288

Fig. 9.

Fig. 9.

Beta-amylase activity in wild-type and bam1 mutant plants, hydroponically grown under normal conditions (control) or in the presence of 450 mM mannitol for 4 h (mannitol). (A) Soluble proteins extracted from leaves were incubated for 1 h in the presence of 20 mM reduced DTT before measuring PNPG5-activity; (B) redox-sensitive fraction obtained by subtracting from total PNPG5-activity (A) the same activity measured after 1 h of incubation with oxidized DTT. Values are the means ±SE (n=30 independent protein extractions). Statistical analysis by ANOVA underlined significant differences (P <0.001) between wild-type and bam1 plants. A Duncan's Test was conducted to compare means and statistically significantly different values (P <0.05) are indicated by different letters in the graphs.