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题名: Desiccation enhances phosphorylation of PSII and affects the distribution of protein complexes in the thylakoid membrane
作者: Gao, Shan1, 2; Gu, Wenhui1, 2; Xiong, Qian3; Ge, Feng3; Xie, Xiujun4; Li, Jian5; Chen, Weizhou6; Pan, Guanghua4; Wang, Guangce1
通讯作者: Wang, GC (reprint author), Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China.
刊名: PHYSIOLOGIA PLANTARUM
发表日期: 2015-03-01
DOI: 10.1111/ppl.12258
卷: 153, 期:3, 页:492-502
收录类别: SCI
文章类型: Article
部门归属: [Gao, Shan ; Gu, Wenhui ; Wang, Guangce] Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China ; [Gao, Shan ; Gu, Wenhui] Univ Chinese Acad Sci, Beijing 100049, Peoples R China ; [Xiong, Qian ; Ge, Feng] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China ; [Xie, Xiujun ; Pan, Guanghua] Tianjin Univ Sci & Technol, Coll Marine Sci & Engn, Tianjin 300457, Peoples R China ; [Li, Jian] Catholic Univ Louvain, Earth & Life Inst, B-1348 Louvain La Neuve, Belgium ; [Chen, Weizhou] Shantou Univ, Inst Marine Biol, Shantou 515063, Peoples R China
WOS标题词: Science & Technology ; Life Sciences & Biomedicine
类目[WOS]: Plant Sciences
研究领域[WOS]: Plant Sciences
英文摘要: Desiccation has significant effects on photosynthetic processes in intertidal macro-algae. We studied an intertidal macro-alga, Ulva sp., which can tolerate desiccation, to investigate changes in photosynthetic performance and the components and structure of thylakoid membrane proteins in response to desiccation. Our results demonstrate that photosystem II (PSII) is more sensitive to desiccation than photosystem I (PSI) in Ulva sp. Comparative proteomics of the thylakoid membrane proteins at different levels of desiccation suggested that there were few changes in the content of proteins involved in photosynthesis during desiccation. Interestingly, we found that both the PSII subunit, PsbS (Photosystem II S subunit) (a four-helix protein in the LHC superfamily), and light-harvesting complex stress-related (LHCSR) proteins, which are required for non-photochemical quenching in land plants and algae, respectively, were present under both normal and desiccation conditions and both increased slightly during desiccation. In addition, the results of immunoblot analysis suggested that the phosphorylation of PSII and LHCII increases during desiccation. To investigate further, we separated out a supercomplex formed during desiccation by blue native-polyacrylamide gel electrophoresis and identified the components by mass spectrometry analysis. Our results show that phosphorylation of the complex increases slightly with decreased water content. All the results suggest that during the course of desiccation, few changes occur in the content of thylakoid membrane proteins, but a rearrangement of the protein complex occurs in the intertidal macro-alga Ulva sp.
关键词[WOS]: LIGHT-HARVESTING COMPLEX ; CYCLIC ELECTRON FLOW ; PHOTOSYSTEM-II ; CHLAMYDOMONAS-REINHARDTII ; PHOTOSYNTHETIC MEMBRANES ; DEPENDENT REGULATION ; ARABIDOPSIS ; TEMPERATURE ; DEFICIENCY ; MECHANISMS
语种: 英语
WOS记录号: WOS:000349969500013
ISSN号: 0031-9317
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.ihb.ac.cn/handle/342005/23986
Appears in Collections:水生生物分子与细胞生物学研究中心_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
4.Tianjin Univ Sci & Technol, Coll Marine Sci & Engn, Tianjin 300457, Peoples R China
5.Catholic Univ Louvain, Earth & Life Inst, B-1348 Louvain La Neuve, Belgium
6.Shantou Univ, Inst Marine Biol, Shantou 515063, Peoples R China
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