Isolation of a drought-responsive alkaline α-galactosidase gene from New Zealand spinach

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We isolated a cDNA clone encoding a New Zealand spinach (<i>Tetragonia tetragonioides</i>) alkaline α-galactosidase that we designated <i>TtAGA1</i>. The clone was found by monitoring an up-regulated transcripts accumulation with the differential display reverse transcription–polymerase chain reaction method during a treatment of New Zealand spinach shoots with drought. Deduced amino acid sequence suggests that the gene belongs to a family of plant-specific alkaline α-galactosidases. When detached shoots of New Zealand spinach were treated with abiotic stresses such as drought, administration of mannitol (150 mM), wounding, salinity (200 mM and 400 mM sodium chloride), dark, and cold (4°C), drought most enhanced the accumulation of the <i>TtAGA1</i> transcripts. Treatments with mannitol, wounding, salinity, and dark increased the transcripts accumulation, but cold did not. It is supposed that the degradation of galactosyl saccharides may correlate with drought responses in New Zealand spinach growing in seashore areas.

収録刊行物

  • Plant biotechnology  

    Plant biotechnology 25(5), 497-501, 2008-12-01 

    Japanese Society for Plant Cell and Molecular Biology

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各種コード

  • NII論文ID(NAID)
    10021914778
  • 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
    9654537
  • 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  NDL  J-STAGE 
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