Spermine Promotes the Formation of Conchosporangia in Pyropia haitanensis Through Superoxide Anions. - Niu, Tingting; Qian, Haike; Cheng, Lufan; Luo, Qijun; Chen, Juanjuan; Yang, Rui; Zhang, Peng; Wang, Tiegan; Chen, Haimin (Marine Drugs, 2025)