Fig. 5. Expression of flowering-related genes in the cpl3 mutant and transgenic Arabidopsis plants expressing CPL3. Real-time PCR analyses of FT (A), SOC1 (B), CO (C) and CPL3 (D) genes at three developmental stages. Expression levels were normalized to ACT2 expression. Relative expression levels: expression levels of each gene in cpl3, 35S::CPL3 and CPL3p::CPL3 relative to wild type at 7 days. RNA was isolated from 7-, 14- and 21-day-old rosette leaves grown under long-day conditions. The experiment was repeated four times. Error bars indicate s.d.