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  1. 信州大学

T-DNA Tagging-Based Gain-of-Function of OsHKT1;4 Reinforces Na Exclusion from Leaves and Stems but Triggers Na Toxicity in Roots of Rice Under Salt Stress

https://shinshu.repo.nii.ac.jp/records/45076
https://shinshu.repo.nii.ac.jp/records/45076
2e24e0ac-28c7-49a1-98da-4c516451c9c3
名前 / ファイル ライセンス アクション
/ https://soar-ir.repo.nii.ac.jp/?action=repository_action_common_download&item_id=21116&item_no=1&attribute_id=65&file_no=1
Item type Journal Article(1)
公開日 2020-09-04
タイトル
タイトル T-DNA Tagging-Based Gain-of-Function of OsHKT1;4 Reinforces Na Exclusion from Leaves and Stems but Triggers Na Toxicity in Roots of Rice Under Salt Stress
作成者(その他言語) Oda, Yuuka

× Oda, Yuuka

Oda, Yuuka

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Kobayashi, Natsuko I.

× Kobayashi, Natsuko I.

Kobayashi, Natsuko I.

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Tanoi, Keitaro

× Tanoi, Keitaro

Tanoi, Keitaro

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Ma, Jian Feng

× Ma, Jian Feng

Ma, Jian Feng

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Itou, Yukiko

× Itou, Yukiko

Itou, Yukiko

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Katsuhara, Maki

× Katsuhara, Maki

Katsuhara, Maki

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Itou, Takashi

× Itou, Takashi

Itou, Takashi

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Horie, Tomoaki

× Horie, Tomoaki

Horie, Tomoaki

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公開者(その他言語)
姓名 MDPI
書誌情報 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES

巻 19, 号 1, p. 235, 発行日 2018-01-12
言語
言語 eng
キーワード
主題Scheme Other
主題 salt stress
キーワード
主題Scheme Other
主題 high affinity K+ transporter (HKT)
キーワード
主題Scheme Other
主題 rice
キーワード
主題Scheme Other
主題 Na+ exclusion
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
内容記述
内容記述タイプ Other
内容記述 The high affinity K+ transporter 1;4 (HKT1;4) in rice (Oryza sativa), which shows Na+ selective transport with little K+ transport activity, has been suggested to be involved in reducing Na in leaves and stems under salt stress. However, detailed physiological roles of OsHKT1;4 remain unknown. Here, we have characterized a transfer DNA (T-DNA) insertion mutant line of rice, which overexpresses OsHKT1;4, owing to enhancer elements in the T-DNA, to gain an insight into the impact of OsHKT1;4 on salt tolerance of rice. The homozygous mutant (the O/E line) accumulated significantly lower concentrations of Na in young leaves, stems, and seeds than the sibling WT line under salt stress. Interestingly, however, the mutation rendered the O/E plants more salt sensitive than WT plants. Together with the evaluation of biomass of rice lines, rhizosphere acidification assays using a pH indicator bromocresol purple and (NaCl)-Na-22 tracer experiments have led to an assumption that roots of O/E plants suffered heavier damages from Na which excessively accumulated in the root due to increased activity of Na+ uptake and Na+ exclusion in the vasculature. Implications toward the application of the HKT1-mediated Na+ exclusion system to the breeding of salt tolerant crop cultivars will be discussed.
日付
日付 2020-02-28
日付タイプ Created
資源タイプ
内容記述タイプ Other
内容記述 Article
その他の資源識別子
内容記述タイプ Other
内容記述 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES.19(1):235(2018)
資源識別子URI
識別子 http://hdl.handle.net/10091/00021873
識別子タイプ HDL
ISSN
収録物識別子タイプ ISSN
収録物識別子 1422-0067
処理レコードID(総合目録DB)
収録物識別子タイプ NCID
収録物識別子 AA12038549
PubMed番号
関連タイプ isIdenticalTo
識別子タイプ PMID
関連識別子 https://www.ncbi.nlm.nih.gov/pubmed/29329278
DOI
関連タイプ isIdenticalTo
識別子タイプ DOI
関連識別子 https://doi.org/10.3390/ijms19010235
権利
権利情報 © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
権利
権利情報 © 2018 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
著者版フラグ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
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