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Specific degradation of photosystem II D1 protein by a protease (Alr3815) in heterocysts of the cyanobacterium Anabaena sp PCC7120
Yang GuoHua; Hu Bin; Zhao JinDong; Zhao, JD, Peking Univ, Coll Life Sci, State Key Lab Prot & Plant Genet Engn, Beijing 100871, Peoples R China; jzhao@pku.edu.cn
2011
Source PublicationCHINESE SCIENCE BULLETIN
ISSN1001-6538
Volume56Issue:11Pages:1068-1070
AbstractSome filamentous cyanobacteria form heterocysts under conditions lacking combined nitrogen for nitrogen fixation. Photosystem II is removed from heterocyst during the process of cell differentiation. Here, we demonstrate that Alr3815 is a protease that is capable of degrading D1 protein of photosystem II. Strain-322, which lacks alr3815, is impaired in nitrogen fixation in air because some oxygen evolving activity is retained in its heterocysts. Our results also suggest that calcium may play a regulatory role in D1 degradation during heterocyst differentiation.
KeywordBinding Protein Sp Pcc-7120 Differentiation Repair
Department[Yang GuoHua; Hu Bin; Zhao JinDong] Peking Univ, Coll Life Sci, State Key Lab Prot & Plant Genet Engn, Beijing 100871, Peoples R China; [Zhao JinDong] Chinese Acad Sci, Inst Hydrobiol, Wuhan 430072, Peoples R China
Subject AreaMultidisciplinary Sciences
Funding OrganizationNational Natural Sciences Foundation of China [30230040] ; National Natural Sciences Foundation of China [30230040] ; National Natural Sciences Foundation of China [30230040] ; National Natural Sciences Foundation of China [30230040]
Indexed BySCI
Language英语
WOS IDWOS:000289898600002
Funding OrganizationNational Natural Sciences Foundation of China [30230040] ; National Natural Sciences Foundation of China [30230040] ; National Natural Sciences Foundation of China [30230040] ; National Natural Sciences Foundation of China [30230040]
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Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/15666
Collection水生生物分子与细胞生物学研究中心_期刊论文
Corresponding AuthorZhao, JD, Peking Univ, Coll Life Sci, State Key Lab Prot & Plant Genet Engn, Beijing 100871, Peoples R China; jzhao@pku.edu.cn
Recommended Citation
GB/T 7714
Yang GuoHua,Hu Bin,Zhao JinDong,et al. Specific degradation of photosystem II D1 protein by a protease (Alr3815) in heterocysts of the cyanobacterium Anabaena sp PCC7120[J]. CHINESE SCIENCE BULLETIN,2011,56(11):1068-1070.
APA Yang GuoHua,Hu Bin,Zhao JinDong,Zhao, JD, Peking Univ, Coll Life Sci, State Key Lab Prot & Plant Genet Engn, Beijing 100871, Peoples R China,&jzhao@pku.edu.cn.(2011).Specific degradation of photosystem II D1 protein by a protease (Alr3815) in heterocysts of the cyanobacterium Anabaena sp PCC7120.CHINESE SCIENCE BULLETIN,56(11),1068-1070.
MLA Yang GuoHua,et al."Specific degradation of photosystem II D1 protein by a protease (Alr3815) in heterocysts of the cyanobacterium Anabaena sp PCC7120".CHINESE SCIENCE BULLETIN 56.11(2011):1068-1070.
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