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https://hdl.handle.net/20.500.14094/90007133
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2024-04-30
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90007133 (fulltext)
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メタデータID
90007133
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open access
出版タイプ
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タイトル
Structural basis for assembly and function of a diatom photosystem I-light-harvesting supercomplex
著者
Nagao, Ryo ; Kato, Koji ; Ifuku, Kentaro ; Suzuki, Takehiro ; Kumazawa, Minoru ; Uchiyama, Ikuo ; Kashino, Yasuhiro ; Dohmae, Naoshi ; Akimoto, Seiji ; Shen, Jian-Ren ; Miyazaki, Naoyuki ; Akita, Fusamichi
著者名
Nagao, Ryo
著者名
Kato, Koji
著者名
Ifuku, Kentaro
著者名
Suzuki, Takehiro
著者名
Kumazawa, Minoru
著者名
Uchiyama, Ikuo
著者名
Kashino, Yasuhiro
著者名
Dohmae, Naoshi
著者ID
A0043
研究者ID
1000040250477
KUID
https://kuid-rm-web.ofc.kobe-u.ac.jp/search/detail?systemId=4124d50f6c43d4e5520e17560c007669
著者名
Akimoto, Seiji
秋本, 誠志
アキモト, セイジ
所属機関名
理学研究科
著者名
Shen, Jian-Ren
著者名
Miyazaki, Naoyuki
著者名
Akita, Fusamichi
収録物名
Nature Communications
巻(号)
11(1)
ページ
2481-2481
出版者
Nature Research
刊行日
2020-05-18
公開日
2020-06-17
抄録
Photosynthetic light-harvesting complexes (LHCs) play a pivotal role in collecting solar energy for photochemical reactions in photosynthesis. One of the major LHCs are fucoxanthin chlorophyll a/c-binding proteins (FCPs) present in diatoms, a group of organisms having important contribution to the global carbon cycle. Here, we report a 2.40-Å resolution structure of the diatom photosystem I (PSI)-FCPI supercomplex by cryo-electron microscopy. The supercomplex is composed of 16 different FCPI subunits surrounding a monomeric PSI core. Each FCPI subunit showed different protein structures with different pigment contents and binding sites, and they form a complicated pigment–protein network together with the PSI core to harvest and transfer the light energy efficiently. In addition, two unique, previously unidentified subunits were found in the PSI core. The structure provides numerous insights into not only the light-harvesting strategy in diatom PSI-FCPI but also evolutionary dynamics of light harvesters among oxyphototrophs.
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理学研究科
学術雑誌論文
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© The Author(s) 2020.
This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
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資源タイプ
journal article
言語
English (英語)
eISSN
2041-1723
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NCID
AA12645905
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関連情報
DOI
https://doi.org/10.1038/s41467-020-16324-3
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