PlantTFDB
Plant Transcription Factor Database
v4.0
Previous version: v1.0, v2.0, v3.0
Oryza brachyantha
ARF Family
Species TF ID Description
OB01G18840.1ARF family protein
OB01G35190.1ARF family protein
OB01G40150.1ARF family protein
OB01G51580.1ARF family protein
OB02G13010.1ARF family protein
OB02G14210.1ARF family protein
OB02G28170.1ARF family protein
OB02G32150.1ARF family protein
OB04G20880.1ARF family protein
OB04G25990.1ARF family protein
OB04G35570.1ARF family protein
OB04G36140.1ARF family protein
OB04G37650.1ARF family protein
OB05G30280.1ARF family protein
OB05G33320.1ARF family protein
OB06G15720.1ARF family protein
OB06G32420.1ARF family protein
OB06G32920.1ARF family protein
OB06G34290.1ARF family protein
OB08G27580.1ARF family protein
OB09G15010.1ARF family protein
OB10G20590.1ARF family protein
OB11G21910.1ARF family protein
OB12G20020.1ARF family protein
OB12G25550.1ARF family protein
ARF Family Introduction

Auxin response factors (ARF) are transcription factors that regulate the expression of auxin response genes. ARFs bind with specificity to TGTCTC auxin response elements (AuxRE) in promoters of these genes and function in combination with Aux/IAA (auxin/indole acetic acid) repressors, which dimerize with ARF activators in an auxin-regulated manner.

Most ARFs consist of an amino-terminal DNA-binding domain (DBD), a middle region that functions as an activation domain (AD) or repression domain (RD), and a carboxy-terminal dimerization domain (CTD). The ARF DBD is classified as a plant-specific B3-type, but requires additional amino-terminal and carboxy-terminal amino acids for efficient in vitro binding to TGTCTC AuxREs.

The ARF ADs and RDs are located just carboxy-terminal to the DBDs and contain biased amino acid sequences. ARF ADs are enriched in glutamine along with serine and leucine residues, while ARF RDs are enriched in serine, proline, leucine and glycine residues.

Guilfoyle TJ, Hagen G.
Auxin response factors.
Curr Opin Plant Biol, 2007. 10(5): p. 453-60.
PMID: 17900969