Displaying GRF Family from Sorghum  
Information about GRF family
"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."
(Taken from AGRIS)

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Protein Name
[Suggested/Accepted]
Synonym/
Gene Name
Gene Id
[ Gramene.org ]
DNA Binding Preferences
Binding SiteNFM
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TFs
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SbGRF1Sb01g009330
SbGRF2Sb01g012170
SbGRF3Sb02g032860
SbGRF4Sb04g030770
SbGRF5Sb04g031890
SbGRF6Sb04g034800
SbGRF7Sb05g021480
SbGRF8Sb06g027465
SbGRF9Sb10g001350
SbGRF10Sb10g006690
10 results found