חיפוש מתקדם
Planta
  • Lei Shi, 
  • Yuqin Chen, 
  • Jun Hong, 
  • Gaodian Shen, 
  • Lukas Schreiber, 
  • Hagai Cohen, 
  • Dabing Zhang, 
  • Asaph Aharoni 
  • Jianxin Shi 

R2R3–MYB transcription factors play important roles in plant development; yet, the exact role of each of them remains to be resolved. Here we report that the Arabidopsis AtMYB31 is required for wax biosynthesis in epidermis of reproductive tissues, and is involved in seed development. AtMYB31 was ubiquitously expressed in both vegetative and reproductive tissues with higher expression levels in siliques and seeds, while AtMYB31 was localized to the nucleus and cytoplasm. Loss of function of AtMYB31 reduced wax accumulation in the epidermis of silique and flower tissues, disrupted seed coat epidermal wall development and mucilage production, altered seed proanthocyanidin and polyester content. AtMYB31 could direct activate expressions of several wax biosynthetic target genes. Altogether, AtMYB31, a R2R3–MYB transcription factor, regulates seed development in Arabidopsis.

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תנאי שימוש
AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis
256
  • Lei Shi, 
  • Yuqin Chen, 
  • Jun Hong, 
  • Gaodian Shen, 
  • Lukas Schreiber, 
  • Hagai Cohen, 
  • Dabing Zhang, 
  • Asaph Aharoni 
  • Jianxin Shi 
AtMYB31 is a wax regulator associated with reproductive development in Arabidopsis

R2R3–MYB transcription factors play important roles in plant development; yet, the exact role of each of them remains to be resolved. Here we report that the Arabidopsis AtMYB31 is required for wax biosynthesis in epidermis of reproductive tissues, and is involved in seed development. AtMYB31 was ubiquitously expressed in both vegetative and reproductive tissues with higher expression levels in siliques and seeds, while AtMYB31 was localized to the nucleus and cytoplasm. Loss of function of AtMYB31 reduced wax accumulation in the epidermis of silique and flower tissues, disrupted seed coat epidermal wall development and mucilage production, altered seed proanthocyanidin and polyester content. AtMYB31 could direct activate expressions of several wax biosynthetic target genes. Altogether, AtMYB31, a R2R3–MYB transcription factor, regulates seed development in Arabidopsis.

Scientific Publication
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