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. 2013 Jun 17;8(6):e66530. doi: 10.1371/journal.pone.0066530

Figure 6. Ethylene and ABA induce AtRDR1 expression but RDR1 is not required for drought resistance.

Figure 6

RTqPCR analysis of expression of AtRDR1 and the ethylene-regulated gene AtPR4 expression in Arabidopsis thaliana Col-0 plants sprayed with the ethylene precursor 1-aminocyclopropane-1-carboxylic acid (ACC) at 1 mM or water (Control) (A), or of AtRDR1 and the ABA-inducible gene RD29A after treatment with ABA (B) over time courses of 72 h. (C) Analysis of water content in wild-type (WT) or rdr1-mutant Arabidopsis plants watered normally (Watered) or deprived of water for 9 days (Drought). In the experiment shown, 40 well-watered plants were divided into two groups of 20, one group watered, the other subjected to drought. There was no significant difference (t-test: p = 0.693) in water content of water-deprived WT and rdr1-transgenic plants. Error bars represent standard error of the mean.