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<p>DNA-binding one zinc finger transcription factor (<i>Dof</i>) controls a wide range of plant physiological functions including development and stress response. This study presents the first genome-wide identification of <i>Dof</i> transcription factors in <i>Moringa oleifera</i>. A total of 24 <i>Dof</i>s were identified in <i>M. oleifera</i> genome with their chromosomal locations. The identified <i>Dof</i>s were phylogenetically classified into seven groups. The gene structure and conserved motif analysis revealed shared characteristics among all <i>MoDof</i> genes and potential binding sites for the transcription factors. Synteny and interspecies collinearity analyses showed, widespread gene duplication events and provided insights into the evolutionary relationships among <i>MoDof</i> genes. Additionally, the cis-acting regulatory element analysis of promoter regions identified putative regulatory motifs involved in the transcriptional regulation of <i>Dof</i> genes. <i>Insilico</i> gene expression analysis in different plant parts and under drought stress showed the involvement of different <i>MoDof</i>s in plant growth and drought stress response. Further, in vivo research along with qRT-PCR expression profiling of <i>MoDof</i>s provided significant insights into the role of <i>MoDof</i>s during drought and salinity stress response.</p> Graphical Abstract <p></p>

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Genome wide identification, characterization and evolutionary relationship analysis of the Dof gene family in Drumstick plant (Moringa oleifera)

  • 期刊论文

  • 发表日期：

    2025年12月13日

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  • Senthil Kumar Avinash,
  • Malarvizhi Mathiazhagan,
  • Dayanandhi Elangovan,
  • Hara Gopal Krishnajee,
  • Pooja Bharti,
  • Raja Shankar,
  • Laxman R. Hunashikatti,
  • Kundapura V. Ravishankar

摘要

DNA-binding one zinc finger transcription factor (Dof) controls a wide range of plant physiological functions including development and stress response. This study presents the first genome-wide identification of Dof transcription factors in Moringa oleifera. A total of 24 Dofs were identified in M. oleifera genome with their chromosomal locations. The identified Dofs were phylogenetically classified into seven groups. The gene structure and conserved motif analysis revealed shared characteristics among all MoDof genes and potential binding sites for the transcription factors. Synteny and interspecies collinearity analyses showed, widespread gene duplication events and provided insights into the evolutionary relationships among MoDof genes. Additionally, the cis-acting regulatory element analysis of promoter regions identified putative regulatory motifs involved in the transcriptional regulation of Dof genes. Insilico gene expression analysis in different plant parts and under drought stress showed the involvement of different MoDofs in plant growth and drought stress response. Further, in vivo research along with qRT-PCR expression profiling of MoDofs provided significant insights into the role of MoDofs during drought and salinity stress response.

Graphical Abstract