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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
http://hdl.handle.net/10091/000218734c69cf14-c520-4e8e-90d5-ab72b2fad10e
名前 / ファイル | ライセンス | アクション |
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15K07810_01.pdf (10.9 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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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 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.3390/ijms19010235 | |||||
関連名称 | 10.3390/ijms19010235 | |||||
キーワード | ||||||
主題 | salt stress, high affinity K+ transporter (HKT), rice, 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× Kobayashi, Natsuko I.× Tanoi, Keitaro× Ma, Jian Feng× Itou, Yukiko× Katsuhara, Maki× Itou, Takashi× Horie, Tomoaki |
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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 |
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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 | ||||||
識別子タイプ | PMID | |||||
関連識別子 | https://www.ncbi.nlm.nih.gov/pubmed/29329278 | |||||
関連名称 | 29329278 | |||||
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 |