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Thf1 interacts with PS I and stabilizes the PS I complex in Synechococcus sp PCC7942
Zhan, Jiao1; Zhu, Xi1,2; Zhou, Wei1,2; Chen, Hui1; He, Chenliu1; Wang, Qiang1
2016-11-01
Source PublicationMOLECULAR MICROBIOLOGY
ISSN0950-382X
Volume102Issue:4Pages:738-751
Abstract

Thylakoid formation1 protein (Thf1) is a multifunctional protein that is conserved in all photosynthetic organisms. In this study, we used the model cyanobacterium Synechococcus sp. PCC7942 (hereafter Synechococcus) to show that the level of Thf1 is altered in response to various stress conditions. Although this protein has been reported to be involved in thylakoid formation, the thylakoid membrane in the thf1 deletion strain (Thf1) was not affected. Compared with the WT, Thf1 showed reduced PS II activity, with increased levels of D1 under high light (HL) conditions, which was resulted from blocked D1 degradation by the FtsH protease and thus inhibits PS II repair. PS I was found to be more seriously affected than PS II in Thf1, even under low light conditions, suggesting that PS I damage could be the primary effect of thf1 deletion in Synechococcus. Further analysis revealed that the Thf1 mutant had a lower PS I subunit content and lower PS I stability under HL conditions. Further sucrose gradient fractionation of the membrane protein complexes and crosslinking and immunoblot analysis indicated that Thf1 interacts with PS I. Together, our results reveal that Thf1 interacts with PS I and thereby stabilizes PS I in Synechococcus.

DOI10.1111/mmi.13488
Funding OrganizationNational Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
Indexed BySCI
Language英语
Funding ProjectNational Program on Key Basic Research Project[2012CB224803] ; National Natural Science Foundation of China[31270094]
WOS Research AreaBiochemistry & Molecular Biology ; Microbiology
WOS SubjectBiochemistry & Molecular Biology ; Microbiology
WOS IDWOS:000387757100012
WOS KeywordSP PCC 6803 ; SECONDARY STRUCTURE PREDICTION ; SP STRAIN PCC-6803 ; PHOTOSYSTEM-I ; THYLAKOID MEMBRANES ; CYANOBACTERIAL YCF37 ; CRYSTAL-STRUCTURE ; LEAF VARIEGATION ; PROTEIN ; SYNECHOCYSTIS
PublisherWILEY-BLACKWELL
Funding OrganizationNational Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Program on Key Basic Research Project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/34006
Collection藻类生物学及应用研究中心_期刊论文
Corresponding AuthorWang, Qiang
Affiliation1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Zhan, Jiao,Zhu, Xi,Zhou, Wei,et al. Thf1 interacts with PS I and stabilizes the PS I complex in Synechococcus sp PCC7942[J]. MOLECULAR MICROBIOLOGY,2016,102(4):738-751.
APA Zhan, Jiao,Zhu, Xi,Zhou, Wei,Chen, Hui,He, Chenliu,&Wang, Qiang.(2016).Thf1 interacts with PS I and stabilizes the PS I complex in Synechococcus sp PCC7942.MOLECULAR MICROBIOLOGY,102(4),738-751.
MLA Zhan, Jiao,et al."Thf1 interacts with PS I and stabilizes the PS I complex in Synechococcus sp PCC7942".MOLECULAR MICROBIOLOGY 102.4(2016):738-751.
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