Expression of OsHAK genes encoding potassium ion transporters in rice

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Regulation of K<sup>+</sup>/Na<sup>+</sup> homeostasis is an important mechanism in plant growth. The high-affinity K<sup>+</sup> uptake system plays a central role in this mechanism especially when plants experience environmental stresses of K<sup>+</sup> starvation and high salinity. K<sup>+</sup> channels and the K<sup>+</sup>/Na<sup>+</sup> co-transporter like HKT have been closely studied as principal members of the K<sup>+</sup> transport system in plants. The KT/HAK/KUP family is a major K<sup>+</sup> transporter family present in bacteria, fungi and plants. In plants, the KT/HAK/KUP transporters form a large family. <i>Arabidopsis thaliana</i> has 13 genes and rice has at least 25. KT/HAK/KUP transporters serve various functions in various K<sup>+</sup> traffic, but their physiological roles are still unclear. Plant KT/HAK/KUP transporters could be divided into 4 related clusters according to their amino acid sequences, the character of transporters belongs to each cluster was summarized. We analyzed the expression of <i>OsHAK</i> genes in rice roots under both K<sup>+</sup> starvation and salt stress conditions.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 25(3), 241-245, 2008-06-01 

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021913370
  • NII書誌ID(NCID)
    AA11250821
  • 本文言語コード
    ENG
  • 資料種別
    NOT
  • ISSN
    13424580
  • NDL 記事登録ID
    9558200
  • 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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