The Organization of Chlorophyll-Proteins of PSII and PSI on Thylakoid Membrane

  • T.-Y. Kuang
  • D.-C. Peng
  • C.-Q. Tang
  • T.-Z. Li
  • S.-Q. Lou
  • Q.-D. Zhang
  • B.-Y. Zuo
  • S.-Q. Lin

Abstract

It has been now established that PSI has two kinds of light-harvesting chlorophyll protein complexes (i.e. LHCIa and LHCIb), while PSII contains three, of which CP-47, CP-43 both acting as the internal antennae of PSII and LHCII consist (1–4). It was demonstrated that the phosphorylation of LHCII in vitro resulted in its lateral migration from grana to stroma and in this way promoted the distribution of excitation energy to PSI. On the contrary, the pretreatment of thylakoids with Mg2+ caused the migration of LHCII and LHCI from stroma to grana so as to favourably distribute the excitation energy to PSII(5–7). Our recent experiment comparing the effects of Ca2+ and Mg2+ on the organization and function of chlorophyll-protein complexes on thylakoid membrane have provided new informations in this respect.

Keywords

Excitation Energy Thylakoid Membrane Wheat Seedling Fluorescence Emission Spectrum Lateral Migration 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • T.-Y. Kuang
    • 1
  • D.-C. Peng
    • 1
  • C.-Q. Tang
    • 1
  • T.-Z. Li
    • 1
  • S.-Q. Lou
    • 1
  • Q.-D. Zhang
    • 1
  • B.-Y. Zuo
    • 1
  • S.-Q. Lin
    • 1
  1. 1.Photosynthesis Laboratory, Institute of BotanyAcademia SinicaBeijingP.R. China

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