Figure 4.

Requirement of ABA biosynthesis for some H₂O₂ responses. Transcriptional responses of RAP2.6, DREB2A, and ATMBF1c to H₂O₂ treatments in wild type (WT) and ABA biosynthesis mutant (aba1) are shown. Seedlings were harvested 12 h after H₂O₂ treatment and subjected to RT-qPCR. Duplicate measurements were made for each of three independently prepared samples. Bar graphs and error bars represent average fold change and se, respectively. An asterisk indicates statistical significance from the corresponding wild-type control based on the Student’s t test (P < 0.05).