Plant Transcription Factor Database
Previous version: v3.0
Eutrema salsugineum
ARF Family
Species TF ID Description
Thhalv10001365mARF family protein
Thhalv10003641mARF family protein
Thhalv10005857mARF family protein
Thhalv10006635mARF family protein
Thhalv10006747mARF family protein
Thhalv10006748mARF family protein
Thhalv10006754mARF family protein
Thhalv10012074mARF family protein
Thhalv10012513mARF family protein
Thhalv10012728mARF family protein
Thhalv10016329mARF family protein
Thhalv10016394mARF family protein
Thhalv10018139mARF family protein
Thhalv10018331mARF family protein
Thhalv10023325mARF family protein
Thhalv10023326mARF family protein
Thhalv10024554mARF family protein
Thhalv10024601mARF family protein
Thhalv10024662mARF family protein
Thhalv10029161mARF family protein
Thhalv10029379mARF 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