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  1. 080 繊維学部
  2. 0801 学術論文

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

http://hdl.handle.net/10091/00021873
4c69cf14-c520-4e8e-90d5-ab72b2fad10e
名前 / ファイル ライセンス アクション
15K07810_01.pdf 15K07810_01.pdf (10.9 MB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2020-02-28
タイトル
言語 en
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
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 http://purl.org/coar/resource_type/c_6501
タイプ journal article
著者 Oda, Yuuka

× Oda, Yuuka

WEKO 108990

Oda, Yuuka

Search repository
Kobayashi, Natsuko I.

× Kobayashi, Natsuko I.

WEKO 108991

Kobayashi, Natsuko I.

Search repository
Tanoi, Keitaro

× Tanoi, Keitaro

WEKO 108992

Tanoi, Keitaro

Search repository
Ma, Jian Feng

× Ma, Jian Feng

WEKO 108993

Ma, Jian Feng

Search repository
Itou, Yukiko

× Itou, Yukiko

WEKO 108994

Itou, Yukiko

Search repository
Katsuhara, Maki

× Katsuhara, Maki

WEKO 108995

Katsuhara, Maki

Search repository
Itou, Takashi

× Itou, Takashi

WEKO 108996

Itou, Takashi

Search repository
Horie, Tomoaki

× Horie, Tomoaki

WEKO 108997

Horie, Tomoaki

Search repository
信州大学研究者総覧へのリンク
氏名 Horie, Tomoaki
URL http://soar-rd.shinshu-u.ac.jp/profile/ja.OFTmWUDU.html
出版者
出版者 MDPI
引用
内容記述タイプ Other
内容記述 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES.19(1):235(2018)
書誌情報 INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES

巻 19, 号 1, p. 235, 発行日 2018-01-12
抄録
内容記述タイプ Abstract
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.
資源タイプ(コンテンツの種類)
内容記述タイプ Other
内容記述 Article
ISSN
収録物識別子タイプ ISSN
収録物識別子 1422-0067
書誌レコードID
収録物識別子タイプ NCID
収録物識別子 AA12038549
PubMed
関連識別子
識別子タイプ PMID
関連識別子 https://www.ncbi.nlm.nih.gov/pubmed/29329278
関連名称
関連名称 29329278
DOI
関連識別子
識別子タイプ DOI
関連識別子 https://doi.org/10.3390/ijms19010235
関連名称
関連名称 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/).
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
WoS
表示名 Web of Science
URL http://gateway.isiknowledge.com/gateway/Gateway.cgi?&GWVersion=2&SrcAuth=ShinshuUniv&SrcApp=ShinshuUniv&DestLinkType=FullRecord&DestApp=WOS&KeyUT=000424407200231
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