Kd max peb3/17/2024 ![]() GmBZL2* partially rescued the defects of bri1-5, further demonstrating the conserved function of GmBZL2 with AtBZR1. GmBZL2 P216L ( GmBZL2*) in Arabidopsis results in enhanced BR signaling including increased seed number per silique. The P234 site in AtBZR1 is conserved in GmBZL2 (P216) and mutation of GmBZL2 P216L leads to GmBZL2 accumulation. We here report the functional characterization of GmBZL2 (relatively highly expresses in flowers). Phylogenetic analysis reveals AtBZR1-like genes are highly conserved in angiosperm and there are 4 orthologues in soybean ( GmBZL1-4). Soybean is an important dicot crop producing edible oil and protein. BR signal transduction pathway is well elucidated in Arabidopsis but less known in other species. ![]() Enhanced BR signaling leads to increased seed number and yield in Arabidopsis bzr1-1D (AtBZR1 P234L, gain-of-function mutant of the important transcription factor in BR signaling/effects). ![]() Brassinosteroids (BRs) play key roles in plant growth and development, and regulate various agricultural traits. ![]()
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