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Galactose oxidase/kelch repeat-containing protein is involved in the iron deficiency stress response in the roots of Hyoscyamus albus


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タイトル: Galactose oxidase/kelch repeat-containing protein is involved in the iron deficiency stress response in the roots of Hyoscyamus albus
著者: Kawahara, Yuki / Hashimoto, Takashi / Nakayama, Hideki / Kitamura, Yoshie
発行日: 2017年11月30日
出版者: 根研究学会 / Japanese Society for Root Research
引用: Plant Root, 11, pp.58-63; 2017
抄録: To confirm the involvement of galactose oxidase/kelch repeat-containing protein (Glx) in response to iron (Fe) deficiency in Hyoscyamus albus, we cloned a putative full-length HaGlx cDNA, which contained an open reading frame (975 bp, 324 amino acids). HaGlx was confirmed by homology searches, molecular phylogeny analysis, and domain search. HaGlx was expressed in the roots but not in the leaves, and the expression significantly increased under Fe deficiency. Sequencing of ∼1.9 kb of the 5'-upstream region of the HaGlx gene, followed by the analysis of promoter elements, resulted in the identification of multiple root-specific elements together with stress-induced elements, including the Fe deficiency-induced element (IDE1) core motif. This suggests that HaGlx plays a key role in stress responses induced under Fe deficiency in the roots. To our knowledge, this is the first report confirming, in a plant other than Arabidopsis thaliana, that Glx is involved in the stress response to Fe deficiency.
キーワード: cis-acting element / alactose oxidase/kelch repeat-containing protein / Hyoscyamus albus / IDE1 core motif / iron deficiency / root
URI: http://hdl.handle.net/10069/37916
DOI: 10.3117/plantroot.11.58
権利: © 2017 Japanese Society for Root Research
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:070 学術雑誌論文

引用URI : http://hdl.handle.net/10069/37916

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