PlantRegMap/PlantTFDB v5.0
Plant Transcription Factor Database
Hevea brasiliensis
GRF Family
Species TF ID Description
XP_021635460.1GRF family protein
XP_021635461.1GRF family protein
XP_021647076.1GRF family protein
XP_021653460.1GRF family protein
XP_021653546.1GRF family protein
XP_021653555.1GRF family protein
XP_021653562.1GRF family protein
XP_021655140.1GRF family protein
XP_021657951.1GRF family protein
XP_021657952.1GRF family protein
XP_021661791.1GRF family protein
XP_021661792.1GRF family protein
XP_021667506.1GRF family protein
XP_021667509.1GRF family protein
XP_021667510.1GRF family protein
XP_021676368.1GRF family protein
XP_021678312.1GRF family protein
XP_021679809.1GRF family protein
XP_021679817.1GRF family protein
XP_021679828.1GRF family protein
XP_021679838.1GRF family protein
XP_021681374.1GRF family protein
XP_021682620.1GRF family protein
XP_021683184.1GRF family protein
XP_021683185.1GRF family protein
XP_021683186.1GRF family protein
XP_021683187.1GRF family protein
XP_021686929.1GRF family protein
XP_021687227.1GRF family protein
XP_021692812.1GRF family protein
XP_021692813.1GRF family protein
GRF Family Introduction

Previously, we identified a novel rice gene, GROWTH-REGULATING FACTOR1 (OsGRF1), which encodes a putative transcription factor that appears to play a regulatory role in stem elongation. We now describe the GRF gene family of Arabidopsis thaliana (AtGRF), which comprises nine members. The deduced AtGRF proteins contain the same characteristic regions--the QLQ (Gln, Leu, Gln) and WRC (Trp, Arg, Cys) domains--as do OsGRF1 and related proteins in rice, as well as features indicating a function in transcriptional regulation. Most of the AtGRF genes are strongly expressed in actively growing and developing tissues, such as shoot tips, flower buds, and roots, but weakly in mature stem and leaf tissues. Overexpression of AtGRF1 and AtGRF2 resulted in larger leaves and cotyledons, as well as in delayed bolting of the inflorescence stem when compared to wild-type plants. In contrast, triple insertional null mutants of AtGRF1-AtGRF3 had smaller leaves and cotyledons, whereas single mutants displayed no changes in phenotype and double mutants displayed only minor ones. The alteration of leaf growth in overexpressors and triple mutants was based on an increase or decrease in cell size, respectively. These results indicate that AtGRF proteins play a role in the regulation of cell expansion in leaf and cotyledon tissues.

Kim JH, Choi D, Kende H.
The AtGRF family of putative transcription factors is involved in leaf and cotyledon growth in Arabidopsis.
Plant J. 2003 Oct;36(1):94-104.
PMID: 12974814