GrassTFDB :: Browse Family::Sorghum

Displaying BZR Family from Sorghum


Brassinosteroid (BR) homeostasis and signaling are crucial for normal growth and development of plants. BR signaling through cell-surface receptor kinases and intracellular components leads to dephosphorylation and accumulation of the nuclear protein BZR1. How BR signaling regulates gene expression, however, remains unknown. Here we show that BZR1 is a transcriptional repressor that has a previously unknown DNA binding domain and binds directly to the promoters of feedback-regulated BR biosynthetic genes. Microarray analyses identified additional potential targets of BZR1 and illustrated, together with physiological studies, that BZR1 coordinates BR homeostasis and signaling by playing dual roles in regulating BR biosynthesis and downstream growth responses.

Protein Name
accepted / suggested
Gene Locus Synonym/
Gene Name
Clone in TFome Genome Browser
SbBZR1 Sb01g047720 View in Browser
SbBZR2 Sb02g037500 View in Browser
SbBZR3 Sb03g002480 View in Browser
SbBZR4 Sb03g004070 View in Browser
SbBZR5 Sb04g002450 View in Browser
SbBZR6 Sb04g008380 View in Browser
SbBZR7 Sb04g008400 View in Browser
SbBZR8 Sb10g021750 View in Browser