Figure 3

Comparison of driving activities of the Ser1 promoters.
(a) Differences in FLuc transcription driven by different lengths of the Ser1 promoter. The final relative transcriptional level was calculated as FLuc relative expression level/RLuc relative expression level. (b) Differential transcription of RLuc driven by different copy numbers of proximal Ser1 promoter. Similarly, the final relative expression level was calculated as RLuc relative expression level/FLuc relative transcriptional level. *P < 0.05, **P < 0.01.