1 Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China.
2 Biomolécules et Biotechnologies Végétales, EA2106, Université de Tours, Tours 37200, France.
3 Beijing Institute of Radiation Medicine, Beijing 100850, China.
4 Institute of Medicinal Plant Development, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100193, China. Electronic address: liying@implad.ac.cn.