Homeodomain leucine-zipper proteins and their role in synchronizing growth and development with the environment

doi:10.1111/jipb.12185

J Integr Plant Biol. ›› 2014, Vol. 56 ›› Issue (6): 518-526.DOI: 10.1111/jipb.12185

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Homeodomain leucine-zipper proteins and their role in synchronizing growth and development with the environment

Ronny Brandt^1,2, Marc Cabedo¹, Yakun Xie¹ and Stephan Wenkel^1*

¹Center for Plant Molecular Biology, University of Tübingen, Germany
²Leibniz Institute of Plant Genetics and Crop Plant Research, Gatersleben, Germany

Received:2013-12-18 Accepted:2014-01-25 Published:2014-02-15
About author:^*Correspondence: E-mail: stephan.wenkel@zmbp.uni-tuebingen.de

Abstract

Abstract:

The Arabidopsis (Arabidopsis thaliana L.) genome encodes for four distinct classes of homeodomain leucine-zipper (HD-ZIP) transcription factors (HD-ZIPI to HD-ZIPIV), which are all organized in multi-gene families. HD-ZIP transcription factors act as sequence-specific DNA-binding proteins that are able to control the expression level of target genes. While HD-ZIPI and HD-ZIPII proteins are mainly associated with environmental responses, HD-ZIPIII and HD-ZIPIV are primarily known to act as patterning factors. Recent studies have challenged this view. It appears that several of the different HD-ZIP families interact genetically to align both morphogenesis and environmental responses, most likely by modulating phytohormone-signaling networks.

Brandt R, Cabedo M, Xie Y, Wenkel S (2014) Homeodomain leucine‐zipper proteins and their role in synchronizing growth and development with the environment. J Integr Plant Biol 56: 518–526. doi: 10.1111/jipb.12185

Key words: Transcription factors, homeodomain, leucine zipper, auxin, light signaling, water stress, abscisic acid, leaf development

Ronny Brandt, Marc Cabedo, Yakun Xie, and Stephan Wenkel. Homeodomain leucine-zipper proteins and their role in synchronizing growth and development with the environment[J]. J Integr Plant Biol., 2014, 56(6): 518-526.

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Homeodomain leucine-zipper proteins and their role in synchronizing growth and development with the environment

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