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<p>Flower development is an essential part of the life cycle of plants, as the flower is the reproductive unit. <i>Arabidopsis thaliana</i> flowers offer an excellent system to investigate the mechanism of development. The Arabidopsis flower has been a focus of molecular and genetic research for almost four decades. This work span has identified many genes essential for proper floral morphogenesis. Many of these important genes encode transcription factors (TFs) that regulate developmental pathways during floral development. In our present study, we focused on TF, <i>PERIANTHIA (PAN). PAN</i> has a role in specifying organ number and spacing. To determine the regulatory networks controlled by this TF, it is essential to identify its direct target genes. In our study, we used several molecular techniques to find such genes, including oligonucleotide microarray and ChIP-on-chip. We analyzed the overlap between the significant hits of ChIP-chip and oligonucleotide microarray. Using this approach, we identified a few putative direct target genes of PAN. The twelve common potential direct targets of PAN as determined from ChIP-chip and oligo array hybridization include genes expressed predominantly in flower tissue such as <i>At3g23380</i>,<i> At1g75170</i>, <i>At4g02910</i> and putative disease resistance genes such as <i>At4g19500</i>. <i>At5g45070</i> and <i>At5g45210.</i></p>

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A systems approach identifies putative targets of the bZIP transcription factor, PERIANTHIA, in Arabidopsis thaliana

  • 期刊论文

  • 发表日期：

    2025年5月7日

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  • Sachin Teotia,
  • Kengo Morohashi,
  • Rebecca S. Lamb

摘要

Flower development is an essential part of the life cycle of plants, as the flower is the reproductive unit. Arabidopsis thaliana flowers offer an excellent system to investigate the mechanism of development. The Arabidopsis flower has been a focus of molecular and genetic research for almost four decades. This work span has identified many genes essential for proper floral morphogenesis. Many of these important genes encode transcription factors (TFs) that regulate developmental pathways during floral development. In our present study, we focused on TF, PERIANTHIA (PAN). PAN has a role in specifying organ number and spacing. To determine the regulatory networks controlled by this TF, it is essential to identify its direct target genes. In our study, we used several molecular techniques to find such genes, including oligonucleotide microarray and ChIP-on-chip. We analyzed the overlap between the significant hits of ChIP-chip and oligonucleotide microarray. Using this approach, we identified a few putative direct target genes of PAN. The twelve common potential direct targets of PAN as determined from ChIP-chip and oligo array hybridization include genes expressed predominantly in flower tissue such as At3g23380, At1g75170, At4g02910 and putative disease resistance genes such as At4g19500. At5g45070 and At5g45210.