reviewPhysiologia PlantarumApr 20, 2012Closed access

Pivotal role of the AREB/ABF‐SnRK2 pathway in ABRE‐mediated transcription in response to osmotic stress in plants

YFYasunari FujitaTYTakuya YoshidaKYKazuko Yamaguchi‐Shinozaki

University of Tsukuba · Japan International Research Center for Agricultural Sciences · +1 more institution

PubMed
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Abstract

Water availability is one of the main limiting factors for plant growth and development. The phytohormone abscisic acid (ABA) fulfills a critical role in coordinating the responses to reduced water availability as well as in multiple developmental processes. Endogenous ABA levels increase in response to osmotic stresses such as drought and high salinity, and ABA activates the expression of many genes via ABA-responsive elements (ABREs) in their promoter regions. ABRE-binding protein/ABRE-binding factor (AREB/ABF) transcription factors (TFs) regulate the ABRE-mediated transcription of downstream target genes. Three subclass III sucrose non-fermenting-1 related protein kinase 2 (SnRK2) protein kinases…

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Topics & keywords

Topics
Keywords
  • Transcription factor
  • Abscisic acid
  • Biology
  • Phosphatase
  • Gene
  • Transcription (linguistics)
  • Cell biology
  • Biochemistry
UN Sustainable Development Goals
  • Clean water and sanitation
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