Thematic Articles

Journal of Plant Growth Regulation

, Volume 22, Issue 2, pp 176-184

The Role of GAMYB Transcription Factors in GA-Regulated Gene Expression

  • Fiona J. WoodgerAffiliated withResearch School of Biological Sciences, The Australian University, Canberra, ACT 2601
  • , Anthony MillarAffiliated withCSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601
  • , Fiona MurrayAffiliated withCSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601
  • , John V. JacobsenAffiliated withCSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601
  • , Frank GublerAffiliated withCSIRO Plant Industry, GPO Box 1600, Canberra, ACT 2601 Email author 

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Abstract

A gibberellin- and abscisic acid-regulated MYB, GAMYB, was first identified as an activator of GA-regulated genes in cereal aleurone. Here we review recent advances made in delineating the signaling events related to GAMYB expression and function in aleurone. In addition, there is a growing body of evidence that GAMYB plays an important role in other aspects of plant growth and development, including anther development, stem elongation, floral initiation and seed development.

Keywords

Gibberellin GAMYB Germination Aleurone Abscisic acid α-amylase Signal transduction