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Review
. 2002 Jun-Jul;49(3-4):373-85.

Auxin-responsive gene expression: genes, promoters and regulatory factors

Gretchen Hagen  1 , Tom Guilfoyle
Affiliations
  • PMID: 12036261
Review

Auxin-responsive gene expression: genes, promoters and regulatory factors

Gretchen Hagen et al. Plant Mol Biol. 2002 Jun-Jul.

Abstract

A molecular approach to investigate auxin signaling in plants has led to the identification of several classes of early/primary auxin response genes. Within the promoters of these genes, cis elements that confer auxin responsiveness (referred to as auxin-response elements or AuxREs) have been defined, and a family of trans-acting transcription factors (auxin-response factors or ARFs) that bind with specificity to AuxREs has been characterized. A family of auxin regulated proteins referred to as Aux/IAA proteins also play a key role in regulating these auxin-response genes. Auxin may regulate transcription on early response genes by influencing the types of interactions between ARFs and Aux/IAAs.

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