Transcriptomic profiling of two Pak Choi varieties with contrasting anthocyanin contents provides an insight into structural and regulatory genes in anthocyanin biosynthetic pathway.

The current result provided a valuable insight into the anthocyanin accumulation in the purple-leafed variety of Pak Choi and a bioinformatic resource for further functional identification of key allelic genes determining the difference of anthocyanin content between Pak Choi varieties.