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Plant and Cell Physiology Advance Access published online on May 28, 2009
Plant and Cell Physiology, doi:10.1093/pcp/pcp075
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© The Author 2009. Published by Oxford University Press on behalf of Japanese Society of Plant Physiologists. All rights reserved. For Permissions, please e-mail: journals.permissions@oxfordjournals.org

Functional analysis of transcription factors in Arabidopsis

Nobutaka Mitsuda and Masaru Ohme-Takagi

Research Institute of Genome-Based Biofactory, National Institute of Advanced Industrial Science and Technology (AIST), Central 4, Higashi 1-1-1, Tsukuba 305-8562, Japan.

Corresponding Author: Masaru Ohme-Takagi, Address: Central 4, Higashi 1-1-1, Tsukuba, Ibaraki 305-8562, JAPAN. TEL: +81-29-861-2641, FAX: +81-29-861-3026, e-mail: m-takagi{at}aist.go.jp


  Abstract

Transcription factors (TFs) regulate the expression of genes at the transcriptional level. Modification of TF activity dynamically alters the transcriptome, which leads to metabolic and phenotypic changes. Thus, functional analysis of TFs using ‘omics-based’ methodologies is one of the most important areas of the post-genome era. In this mini-review, we present an overview of Arabidopsis TFs and introduce strategies for the functional analysis of plant TFs, which include both traditional and recently developed technologies. These strategies can be assigned to five categories: bioinformatic analysis; analysis of molecular function; expression analysis; phenotype analysis and network analysis for the description of entire transcriptional regulatory networks.

Keywords: Arabidopsis - transcription factor - functional analysis - methodology - bioinformatics

(Received April 8, 2009; Accepted May 26, 2009)
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