MIZ1, an essential protein for root hydrotropism, is associated with the cytoplasmic face of the endoplasmic reticulum membrane in <i>Arabidopsis</i> root cells

DOI Web Site Web Site PubMed 被引用文献10件 参考文献18件

書誌事項

公開日
2012-01-25
資源種別
journal article
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1016/j.febslet.2012.01.008
公開者
Wiley

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説明

<jats:p>MIZ1 is encoded by a gene essential for root hydrotropism in <jats:italic>Arabidopsis</jats:italic>. To characterize the property of MIZ1, we used transgenic plants expressing GFP‐tagged MIZ1 (MIZ1‐GFP) and mutant MIZ1 (MIZ1<jats:sup>G235E</jats:sup>‐GFP) in a <jats:italic>miz1‐1</jats:italic> mutant. Although both chimeric genes were transcribed, the translational products of MIZ1<jats:sup>G235E</jats:sup>‐GFP did not accumulate in roots. Moreover, MIZ1‐GFP complemented the mutant phenotype but not MIZ1<jats:sup>G235E</jats:sup>‐GFP. The signal corresponding to MIZ1‐GFP was detected at high levels in cortical cells and lateral root cap cells and accumulated in compartments in cortical cells. MIZ1‐GFP was fractionated into a soluble protein fraction and an endoplasmic reticulum (ER) membrane fraction, where it was bound to the surface of the ER membrane at the cytosolic side.</jats:p>

収録刊行物

  • FEBS Letters

    FEBS Letters 586 (4), 398-402, 2012-01-25

    Wiley

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