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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

Shoot-to-root mobile polypeptides involved in systemic regulation of nitrogen acquisition

http://hdl.handle.net/2237/26929
http://hdl.handle.net/2237/26929
983c3c93-c63d-49b7-8c7d-12086e09a046
名前 / ファイル ライセンス アクション
Nature_Plants_2017.pdf Nature_Plants_2017.pdf ファイル公開:2017/09/20 (7.3 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2017-09-04
タイトル
タイトル Shoot-to-root mobile polypeptides involved in systemic regulation of nitrogen acquisition
言語 en
著者 Ohkubo, Yuri

× Ohkubo, Yuri

WEKO 73313

en Ohkubo, Yuri

Search repository
Tanaka, Mina

× Tanaka, Mina

WEKO 73314

en Tanaka, Mina

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Tabata, Ryo

× Tabata, Ryo

WEKO 73315

en Tabata, Ryo

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Ogawa-Ohnishi, Mari

× Ogawa-Ohnishi, Mari

WEKO 73316

en Ogawa-Ohnishi, Mari

Search repository
Matsubayashi, Yoshikatsu

× Matsubayashi, Yoshikatsu

WEKO 73317

en Matsubayashi, Yoshikatsu

Search repository
アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
抄録
内容記述 Plants uptake nitrogen (N) from the soil mainly in the form of nitrate. However, nitrate is often distributed heterogeneously in natural soil. Plants, therefore, have a systemic long-distance signalling mechanism by which N starvation on one side of the root leads to a compensatory N uptake on the other N-rich side1,2. This systemic N acquisition response is triggered by a root-to-shoot mobile peptide hormone, C-TERMINALLY ENCODED PEPTIDE (CEP), originating from the N-starved roots3,4, but the molecular nature of the descending shoot-to-root signal remains elusive. Here, we show that phloem-specific polypeptides that are induced in leaves upon perception of root-derived CEP act as descending long-distance mobile signals translocated to each root. These shoot-derived polypeptides, which we named CEP DOWNSTREAM 1 (CEPD1) and CEPD2, upregulate the expression of the nitrate transporter gene NRT2.1 in roots specifically when nitrate is present in the rhizosphere. Arabidopsis plants deficient in this pathway show impaired systemic N acquisition response accompanied with N-deficiency symptoms. These fundamental mechanistic insights should provide a conceptual framework for understanding systemic nutrient acquisition responses in plants.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 nature
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ AM
出版タイプResource http://purl.org/coar/version/c_ab4af688f83e57aa
DOI
関連タイプ isVersionOf
識別子タイプ DOI
関連識別子 https://doi.org/10.1038/nplants.2017.29
ISSN
収録物識別子タイプ PISSN
収録物識別子 2055-026X
書誌情報 en : Nature Plants

巻 3, p. 17029-17029, 発行日 2017-03-20
著者版フラグ
値 author
URI
識別子 http://doi.org/10.1038/nplants.2017.29
識別子タイプ DOI
URI
識別子 http://hdl.handle.net/2237/26929
識別子タイプ HDL
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