光系统II蛋白磷酸化及其生理意义

被引:7
作者
张海波
许大全
机构
[1] 中国科学院上海生命科学研究院植物生理生态研究所,中国科学院上海生命科学研究院植物生理生态研究所上海,上海
关键词
D1蛋白; 光破坏防御; 光系统II; 磷酸化; LHCII;
D O I
暂无
中图分类号
Q945 [植物生理学];
学科分类号
0903 ;
摘要
蛋白磷酸化修饰在几乎所有的生命活动中都起重要的调节作用。该文结合作者研究组的研究工作 ,概述了光系统II(PSII)蛋白磷酸化的调节及其生理功能。PSII复合体中的核心组分D1、D2、CP43和PsbH蛋白以及外周捕光天线 (LHCII)蛋白都可以发生磷酸化。PSII蛋白磷酸化受质醌 (PQ)的氧化还原状态、细胞色素b6f(Cytb6f)和硫氧还蛋白以及光调节。PSII蛋白磷酸化可以调节激发能在两种光系统(PSI和PSII)之间的分配 ,减轻光胁迫对PSII的压力 ,保护核心蛋白免于光破坏 ,稳定PSII复合体的结构。
引用
收藏
页码:487 / 493
页数:7
相关论文
共 10 条
[1]   Saturating irradiance-induced photoinhibition without monomerisation of photosystem 2 dimer in soybean leaves [J].
Cai, SQ ;
Chen, GY ;
Zhang, HB ;
Xu, DQ .
PHOTOSYNTHETICA, 2002, 40 (02) :215-220
[2]   Light-induced increase in initial chlorophyll fluorescence Fo level and the reversible inactivation of PSII reaction centers in soybean leaves [J].
Hong, SS ;
Xu, DQ .
PHOTOSYNTHESIS RESEARCH, 1999, 61 (03) :269-280
[3]   Role of phosphorylation in the repair cycle and oligomeric structure of photosystem II [J].
Baena-González, E ;
Barbato, R ;
Aro, EM .
PLANTA, 1999, 208 (02) :196-204
[4]   Both spillover and light absorption cross-section changes are involved in the regulation of excitation energy distribution between the two photosystems during state transitions in wheat leaf [J].
Tan, XX ;
Xu, DQ ;
Shen, YK .
PHOTOSYNTHESIS RESEARCH, 1998, 56 (01) :95-102
[5]  
Phosphatase activities in spinach thylakoid membranes-effectors, regulation and location[J] . Inger Carlberg,Bertil Andersson.Photosynthesis Research . 1996 (2)
[6]   Dephosphorylation of the thylakoid membrane light-harvesting complex-II by a stromal protein phosphatase [J].
Hammer, MF ;
Sarath, G ;
Markwell, J .
PHOTOSYNTHESIS RESEARCH, 1995, 45 (03) :195-201
[7]  
Regulation of D1-protein degradation during photoinhibition of photosystem II in vivo: Phosphorylation of the D1 protein in various plant groups[J] . Planta . 1995 (3)
[8]  
Acycloplilin- regulated PP2Alike protein phosphatase in thylakoid membranes of plant chloroplasts. Vener AV, Rokka A, Fulgosi H. Biochemistry . 1999
[9]  
Protein phosphorylation in cyanobacteria. Mann N H. Microbiology . 1994
[10]  
Research in Photosynthesis. Kettunen R,Tyystjrvi E,Aro E-M. Kluwer Academic Publishers . 1992