Figure 6From: The dirigent multigene family in Isatis indigotica: gene discovery and differential transcript abundanceQuantitative real-time PCR analysis of constitutive IiDIR s transcript abundance in different organs. Transcript abundance of each IiDIR gene is normalized to actin as control and compared with root as reference using 2-△△Ct method. Values obtained by real-time PCR represent mean ± SEM (n = 3).Back to article page