BlOFP1 is associated with reduced secondary cell wall formation and interacts with BlKNOX9 and BlBLH9 in Betula luminifera - Fei Ni; Xian-Ge Hu; Hebi Zhuang; Fuqiang Cui; Yousry A. El-Kassaby; Erpei Lin; Huahong Huang (Plant Science, 2026)