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  1. 原著論文

Expression and Functional Analysis of the CorA-MRS2-ALR-Type Magnesium Transporter Family in Rice

https://repo.qst.go.jp/records/46743
https://repo.qst.go.jp/records/46743
8eff41dc-4fea-4fc6-b318-dcb0d70e79fd
Item type 学術雑誌論文 / Journal Article(1)
公開日 2014-03-18
タイトル
タイトル Expression and Functional Analysis of the CorA-MRS2-ALR-Type Magnesium Transporter Family in Rice
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 Saito, Takayuki

× Saito, Takayuki

WEKO 466136

Saito, Takayuki

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Kobayashi, Natsuko

× Kobayashi, Natsuko

WEKO 466137

Kobayashi, Natsuko

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Tanoi, Keitaro

× Tanoi, Keitaro

WEKO 466138

Tanoi, Keitaro

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Iwata, Naoko

× Iwata, Naoko

WEKO 466139

Iwata, Naoko

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Suzuki, Hisashi

× Suzuki, Hisashi

WEKO 466140

Suzuki, Hisashi

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Iwata, Ren

× Iwata, Ren

WEKO 466141

Iwata, Ren

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Nakanishi, Tomoko

× Nakanishi, Tomoko

WEKO 466142

Nakanishi, Tomoko

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斉藤 貴之

× 斉藤 貴之

WEKO 466143

en 斉藤 貴之

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田野井 慶太朗

× 田野井 慶太朗

WEKO 466144

en 田野井 慶太朗

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鈴木 寿

× 鈴木 寿

WEKO 466145

en 鈴木 寿

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岩田 錬

× 岩田 錬

WEKO 466146

en 岩田 錬

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中西 友子

× 中西 友子

WEKO 466147

en 中西 友子

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抄録
内容記述タイプ Abstract
内容記述 Maintenance of an appropriate magnesium ion (Mg2+) concentration is essential for plant growth. In Arabidopsis thaliana, the CorA-MRS2-ALR-type proteins, named MRS2/MGT family proteins, are reportedly localized in various membranes and they function in Mg transport. However, knowledge of this family in other plant species is extremely limited. Furthermore, differential diversification among dicot and monocot plants suggested by phylogenetic analysis indicates that the role of the Arabidopsis MRS2/MGT family proteins is not the same in monocot plants. For a further understanding of this family in higher plants, functional analysis and gene expression profiling of rice MRS2/MGT family members were performed. A phylogenetic tree based on the isolated mRNA sequences of nine members of the OsMRS2 family confirmed that the MRS2/MGT family consists of five clades (A–E). A complementation assay in the yeast CM66 strain showed that four of the nine members possessed the Mg2+ transport ability. Transient green fluorescent protein (GFP) expression in the isolated rice protoplast indicated that OsMRS2-5 and OsMRS2-6, belonging to clades D and A, respectively, localized in the chloroplast. Expression levels of these genes were low in the unexpanded yellow–green leaf, but increased considerably with leaf maturation. In addition, diurnal oscillation of expression was observed, particularly in OsMRS2-6 expression in the expanded leaf blade. We conclude that OsMRS2 family members function as Mg transporters and suggest that the genes belonging to clade A encode the chloroplast-localized Mg2+ transporter in plants.
書誌情報 Plant Cell Physiology

巻 54, 号 10, p. 1673-1683, 発行日 2013-08
出版者
出版者 OXFORD JOURNALS
ISSN
収録物識別子タイプ ISSN
収録物識別子 0032-0781
DOI
識別子タイプ DOI
関連識別子 doi:10.1093/pcp/pct112
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