Journal Article

Dof Domain Proteins: Plant-Specific Transcription Factors Associated with Diverse Phenomena Unique to Plants

Shuichi Yanagisawa

in Plant and Cell Physiology

Published on behalf of Japanese Society of Plant Physiologists

Volume 45, issue 4, pages 386-391
Published in print April 2004 | ISSN: 0032-0781
Published online April 2004 | e-ISSN: 1471-9053 | DOI: http://dx.doi.org/10.1093/pcp/pch055
Dof Domain Proteins: Plant-Specific Transcription Factors Associated with Diverse Phenomena Unique to Plants

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  • Biochemistry
  • Molecular and Cell Biology
  • Plant Sciences and Forestry

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Dof (DNA-binding with one finger) domain proteins are plant-specific transcription factors with a highly conserved DNA-binding domain, which presumably includes a single C2-C2 zinc finger. During the past decade, numerous Dof domain proteins have been identified in both monocots and dicots including maize, barley, wheat, rice, tobacco, Arabidopsis, pumpkin, potato, and pea. Biochemical, molecular biological and molecular genetic analyses revealed that Dof domain proteins function as a transcriptional activator or a repressor involved in diverse plant-specific biological processes. Although more physiological roles of Dof domain proteins would be elucidated in future because of numerous Dof domain proteins in plants, it is already evident that the Dof domain proteins play critical roles as transcriptional regulators in plant growth and development. Here I summarize our current knowledge about Dof domain proteins.

Keywords: Keywords: Dof domain —Protein–protein interaction — Transcription factor — Transcriptional regulation.; Abbreviations: Dof, DNA-binding with one finger; PEPC, phosphoenolpyuvate carboxylase; GST, glutathione S-transferase; bZIP, proteins basic domain-leucine zipper proteins; HMG, high-mobility group; O2, Opaque2; SA, salicylic acid; bHLH, basic helix-loop-helix.

Journal Article.  4291 words.  Illustrated.

Subjects: Biochemistry ; Molecular and Cell Biology ; Plant Sciences and Forestry

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