Expression level of cyp98a22 in Ruta graveolens . Vertical bar chart showing the results of real-time RT-PCR experiments A) in different organs of the plants B) with or without UV-B stress conditions. UV indicates UV-B induced. Control indicates UV-B non induced. (The data 2-ΔΔCt were deduced using the Ct method; the error bars represent the standard errors of 3 replicates).