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Magnesium uptake characteristics in Arabidopsis revealed by 28Mg tracer studies
https://repo.qst.go.jp/records/49139
https://repo.qst.go.jp/records/49139a207f197-10e1-45e3-8e2e-f9569d39ff66
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2018-06-25 | |||||
タイトル | ||||||
タイトル | Magnesium uptake characteristics in Arabidopsis revealed by 28Mg tracer studies | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Ogura, Takaaki
× Ogura, Takaaki× I. Kobayashi, Natsuko× Suzuki, Hisashi× Iwata, Ren× M. Nakanishi, Tomoko× Hisashi, Suzuki× Ren, Iwata |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Magnesium (Mg2+) absorption and the mechanism regulating its activity have not been clarified yet. To address these issues, it is necessary to reveal the characteristics of Mg2+ uptake in roots. Therefore, we first investigated the Mg2+ uptake characteristics in roots of 1-week-old Arabidopsis plants using 28Mg. The Mg2+ uptake system in roots was up-regulated within 1 h in response to the low Mg2+ condition. This induction was inhibited in Arabidopsis “mitochondrial RNA splicing 2/magnesium transport” mutants atmrs2-4/atmgt6 and atmrs2-7/atmgt7, while the expression of AtMRS2-4/AtMGT6 and AtMRS2-7/AtMGT7 genes in the Arabidopsis wild-type was not responsive to Mg2+ conditions. In addition, the Mg deficiency-induced Mg2+ uptake system was shut-down within 5 min when Mg2+ was resupplied to the environment. An inhibition study showed that the constitutive mechanism functioning in Mg2+ uptake under Mg2+ sufficient conditions was sensitive to a number of divalent and trivalent cations, particularly Gd3+ and Fe2+, but not to K+. | |||||
書誌情報 |
Planta 巻 248, 号 3, p. 745-750, 発行日 2018-06 |
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出版者 | ||||||
出版者 | Springer | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 0032-0935 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1007/s00425-018-2936-4 |