Dependence of Chlorophyll Fluorescence Polarization on the Membrane Fluidity in Isolated Photosystem II

  • Ranjana Paliwal
  • Gauri S. Singhal


The changes in the fluidity of the membranes affect the spatial arrangement of the membrane proteins. Mobility of the membrane protein and its organization are probably influenced by the motional characteristics of the lipids in the boundary region of the proteins (1). The physical state of lipids in biomembranes affects the protein dynamics (2,3). Low levels of cholesterol cause a decrease in the fluidity of the thylakoid membranes and brings about a significant inhibition of the interaction between electron transport components (4).


Thylakoid Membrane Membrane Fluidity Fluorescence Yield Fluorescence Polarization Membrane Fragment 
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Copyright information

© Springer Science+Business Media New York 1990

Authors and Affiliations

  • Ranjana Paliwal
    • 1
  • Gauri S. Singhal
    • 1
  1. 1.School of Life SciencesJawaharlal Nehru UniversityNew DelhiIndia

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