The utility of transcription factors for manipulation of floral traits

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Cross-pollination is an effective method of breeding flowering plants to produce novel variation. However, this strategy is often protracted or demands repeated crossing for several generations to obtain desired traits. Recently, gene-modification technologies have been utilized in plant breeding for manipulation of floral traits. Many homeotic genes that regulate flower development have been shown to encode transcription factors. In this review we describe the utility of transcription factors and a novel gene-silencing technology, the CRES-T system, to effectively manipulate floral traits. When <i>AGAMOUS</i> (<i>AG</i>) and <i>APETALA3</i> (<i>AP3</i>) were subjected to this system in <i>Arabidopsis</i>, <i>ag</i>-like and <i>ap3</i>-like phenotypes, respectively, were induced with high efficiency as a dominant trait. Plant transcription factors are conserved between different species to some extent and consequently the chimeric repressor derived from <i>Arabidopsis</i> can be applied to other species without any modification. By applying this system, new floral color and shape phenotypes were obtained in <i>Torenia fournieri</i> and <i>Ipomoea nil</i>. Since the CRES-T system is able to overcome the problem of gene redundancy, polyploid plants may be also manipulated with this system. In addition, with the CRES-T system modification of the flower morphology of plants for which limited genome sequence information is available can be expected.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 25(1), 31-36, 2008-03-01 

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021912514
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    REV
  • ISSN
    13424580
  • NDL 記事登録ID
    9423424
  • NDL 雑誌分類
    ZR3(科学技術--生物学--植物)
  • NDL 請求記号
    Z54-J126
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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