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Desiccation enhances phosphorylation of PSII and affects the distribution of protein complexes in the thylakoid membrane
Gao, Shan1,2; Gu, Wenhui1,2; Xiong, Qian3; Ge, Feng3; Xie, Xiujun4; Li, Jian5; Chen, Weizhou6; Pan, Guanghua4; Wang, Guangce1
2015-03-01
发表期刊PHYSIOLOGIA PLANTARUM
卷号153期号:3页码:492-502
文章类型Article
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.
DOI10.1111/ppl.12258
收录类别SCI
语种英语
WOS记录号WOS:000349969500013
引用统计
被引频次:18[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/25353
专题实验海洋生物学重点实验室
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
第一作者单位中国科学院海洋研究所
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Gao, Shan,Gu, Wenhui,Xiong, Qian,et al. Desiccation enhances phosphorylation of PSII and affects the distribution of protein complexes in the thylakoid membrane[J]. PHYSIOLOGIA PLANTARUM,2015,153(3):492-502.
APA Gao, Shan.,Gu, Wenhui.,Xiong, Qian.,Ge, Feng.,Xie, Xiujun.,...&Wang, Guangce.(2015).Desiccation enhances phosphorylation of PSII and affects the distribution of protein complexes in the thylakoid membrane.PHYSIOLOGIA PLANTARUM,153(3),492-502.
MLA Gao, Shan,et al."Desiccation enhances phosphorylation of PSII and affects the distribution of protein complexes in the thylakoid membrane".PHYSIOLOGIA PLANTARUM 153.3(2015):492-502.
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