Phosphorylation of chloroplast thylakoid membrane proteins does not increase the absorption cross‐section of photosystem 1

FEBS Letters

Haworth, Philip²  Melis, Anastasios¹ 

[1] Division of Molecular Plant Biology, 313 Hilgard Hall, University of California, Berkeley, CA 94720, USA;Department of Chemical Biodynamics, Lawrence Berkeley Laboratory Berkeley, CA 94720, USA

关键词: P700 kinetics;    Fluorescence induction;    Phosphorylation;    State transition;    Spinach thylakoid;    DPIP;    2;    6-dichloroindophenol;    MV;    methylviologen;    DCMU;    3-(3';    4'-dichlorophenyl)-2;    2-dimethyl urea;    DAD;    diaminodurene;    chl;    chlorophyll;   

DOI  :  10.1016/0014-5793(83)80982-X

学科分类：生物化学/生物物理

来源: John Wiley & Sons Ltd.

【 摘 要 】

Direct measurements on the effective absorption cross-section of photosystem (PS) 1 were obtained with control (light — ATP) and phosphorylated (light + ATP) chloroplast thylakoids from spinach. The rate of light absorption by PS1 was invariant in control and phosphorylated thylakoids, suggesting a constant functional antenna size for this photosystem. We conclude that phosphorylated chlorophyll a-b light-harvesting complex from PS2 is not functionally connected with the antenna pigment of PS1.

【 授权许可】

Unknown