Transcriptome analyses  in  leaf of brassica juncea
Two mustard varieties, namely the purple leaf variety "mu_z" and the green leaf "WT" variety, were selected for this study. 30 days after sowing, fresh leaf sample from the third basal leaf was collected from inside out. Mustard leaves were collected from the experimental farm of Nanchong Academy of Agricultural Sciences (Nanchong, Sichuan, China).