Genetic dissection of nonconventional introns reveals codominant noncanonical splicing code in Euglena - Toshihisa Nomura; June-Sik Kim; Osamu Iwata; Koji Yamada; Kohei Atsuji; Yukiko Uehara-Yamaguchi; Takuhiro Yoshida; Komaki Inoue; Kotaro Takahagi; Tetsuya Sakurai; Kazuo Shinozaki; Takuro Ito; et al. (Proceedings of the National Academy of Sciences, 2025)