Characterization of the Sesbania rostrata Phytochelatin Synthase Gene: Alternative Splicing and Function of Four Isoforms oleh Zeng-Fu Xu, Zhong-Yi Yang, Rongliang Qiu, Jun-Chao Huang, Hui-Yan Gan, Jian-Gang Yuan, Fu-Hua Chen, An-Ming Li, Bing-Yun Yu