气候变化领域集成服务门户(CCPortal): Structural basis for blue-green light harvesting and energy dissipation in diatoms

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DOI	10.1126/science.aav0365
	Structural basis for blue-green light harvesting and energy dissipation in diatoms
	Wang W.; Yu L.-J.; Xu C.; Tomizaki T.; Zhao S.; Umena Y.; Chen X.; Qin X.; Xin Y.; Suga M.; Han G.; Kuang T.; Shen J.-R.
发表日期	2019
ISSN	0036-8075
卷号	363 期号:6427
英文摘要	Diatoms are abundant photosynthetic organisms in aquatic environments and contribute 40% of its primary productivity. An important factor that contributes to the success of diatoms is their fucoxanthin chlorophyll a/c-binding proteins (FCPs), which have exceptional light-harvesting and photoprotection capabilities. Here, we report the crystal structure of an FCP from the marine diatom Phaeodactylum tricornutum, which reveals the binding of seven chlorophylls (Chls) a, two Chls c, seven fucoxanthins (Fxs), and probably one diadinoxanthin within the protein scaffold. Efficient energy transfer pathways can be found between Chl a and c, and each Fx is surrounded by Chls, enabling the energy transfer and quenching via Fx highly efficient. The structure provides a basis for elucidating the mechanisms of blue-green light harvesting, energy transfer, and dissipation in diatoms. © 2019 American Association for the Advancement of Science. All rights reserved.
英文关键词	chlorophyll; chlorophyll a; chlorophyll binding protein; chlorophyll c; diadinoxanthin; fucoxanthin; fucoxanthin chlorophyll a/c binding protein; unclassified drug; xanthine; chlorophyll; chlorophyll a; chlorophyll binding protein; chlorophyll c; diadinoxanthin; fucoxanthin; xanthophyll; aquatic environment; crystal structure; diatom; energy dissipation; light intensity; marine environment; photoprotection; protein; Article; blue light; crystal structure; energy transfer; green light; light; light harvesting system; nonhuman; Phaeodactylum tricornutum; photosynthesis; priority journal; protein structure; chemistry; diatom; energy transfer; photosynthesis; protein quaternary structure; thylakoid; Bacillariophyta; Nitzschia alba; Phaeodactylum tricornutum; Chlorophyll; Chlorophyll A; Chlorophyll Binding Proteins; Diatoms; Energy Transfer; Light; Photosynthesis; Protein Structure, Quaternary; Thylakoids; Xanthophylls
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/245958
作者单位	Photosynthesis Research Center, Key Laboratory of Photobiology, Institute of Botany, Chinese Academy of Sciences, Beijing, 100093, China; Research Institute for Interdisciplinary Science, Graduate School of Natural Scienc and Technology, Okayama University, Okayama, 700-8530, Japan; University of Chinese Academy of Science, Yuquan Road, Shijingshan District, Beijing, 100049, China; Photon Science Division, Laboratory for Macromolecules and Bioimaging (LSB), Paul Scherrer Institut, Villigen-PSI, 5232, Switzerland
推荐引用方式 GB/T 7714	Wang W.,Yu L.-J.,Xu C.,et al. Structural basis for blue-green light harvesting and energy dissipation in diatoms[J],2019,363(6427).
APA	Wang W..,Yu L.-J..,Xu C..,Tomizaki T..,Zhao S..,...&Shen J.-R..(2019).Structural basis for blue-green light harvesting and energy dissipation in diatoms.Science,363(6427).
MLA	Wang W.,et al."Structural basis for blue-green light harvesting and energy dissipation in diatoms".Science 363.6427(2019).