Conflicts of Interest The authors declare no conflicts of interest. Data Availability Statement The biological materials used in this study include Arabidopsis thaliana mutants (uvr8-6, SALK_033468; bic1bic2 double mutant) and overexpression lines (BIC1-OE, BIC2-OE, all in Columbia (Col) background), which were kindly provided by Prof. Qin Wang from Fujian Agriculture and Forestry University. The 35S::HY5-HA transgenic Arabidopsis line was kindly provided by Prof.
