MADS-box gene AaSEP4 promotes artemisinin biosynthesis in Artemisia annua oleh Tian-Tian Chen, Xing-Hao Yao, Hang Liu, Yong-Peng Li, Wei Qin, Xin Yan, Xiu-Yun Wang, Bo-Wen Peng, Yao-Jie Zhang, Jin Shao, Xin-Yi Hu, Qing Miao, Xue-Qing Fu, Yu-Liang Wang, Ling Li, Ke-Xuan Tang