These authors contributed equally to this research.
Genome-wide Analysis of Plant-specific Dof Transcription Factor Family in Tomato†
Article first published online: 12 JUN 2013
© 2013 Institute of Botany, Chinese Academy of Sciences
Journal of Integrative Plant Biology
Volume 55, Issue 6, pages 552–566, June 2013
How to Cite
2013) Genome-wide analysis of plant-specific dof transcription factor family in tomato. J. Integr. Plant Biol. doi: 10.1111/jipb.12043, , , , , , , , , . (
- Issue published online: 12 JUN 2013
- Article first published online: 12 JUN 2013
- Accepted manuscript online: 5 MAR 2013 08:19PM EST
- Manuscript Accepted: 19 FEB 2013
- Manuscript Received: 27 AUG 2012
- gene expression;
- phylogenetic analysis
The Dof (DNA binding with One Finger) family encoding single zinc finger proteins has been known as a family of plant-specific transcription factors. These transcription factors are involved in a variety of functions of importance for different biological processes in plants. In the current study, we identified 34 Dof family genes in tomato, distributed on 11 chromosomes. A complete overview of SlDof genes in tomato is presented, including the gene structures, chromosome locations, phylogeny, protein motifs and evolution pattern. Phylogenetic analysis of 34 SlDof proteins resulted in four classes constituting six clusters. In addition, a comparative analysis between these genes in tomato, Arabidopsis and rice was also performed. The tomato Dof family expansion has been dated to recent duplication events, and segmental duplication is predominant for the SlDof genes. Furthermore, the SlDof genes displayed differential expression either in their transcript abundance or in their expression patterns under normal growth conditions. This is the first step towards genome-wide analyses of the Dof genes in tomato. Our study provides a very useful reference for cloning and functional analysis of the members of this gene family in tomato and other species.