Fig. 5.
Anacardic acid inhibits UV-B induced H3K9,14diac enrichment and expression of specific UVR8-regulated genes. A Relative UV-B induced enrichment of H3K9,14diac at selected loci, assayed by ChIP-qPCR, and B fold UV-B induction of transcripts of selected genes, measured by RT-qPCR, in plants treated with increasing concentrations of anacardic acid (AA). Plants were infiltrated with the inhibitor for 15 min and then exposed (or not in controls) to 1.5 μmol m−2 s−1 narrowband UV-B for 1 h. Plants were harvested immediately for ChIP assays or harvested after 2 h in darkness for RT-qPCR. Error bars represent SD (n = 3)