Is Monogalactosyl Diacylglycerol Involved in the Packaging of Light-harvesting Chlorophyll Proteins in the Thylakoid Membrane?

  • Peter J. Dominy
  • W. Patrick Williams


The presence of high concentrations of the non-bilayer forming lipid MGDG in the thylakoid membrane of the chloroplast has led to two hypotheses regarding its membrane function. One suggests that the physical shape of the mdecule aids membrane curvature and that MGDG is present in order to allow the high degree of membrane curvature associated with grana stack formation (1). The other suggests that MGDG is involved in the efficient packaging of the light-harvesting complexes of PS I and PS II in the membrane bilayer (2).


Thylakoid Membrane Total Lipid Extract Granum Stack Unsaturated Acyl Chain Efficient Packaging 
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Copyright information

© Plenum Press, New York 1987

Authors and Affiliations

  • Peter J. Dominy
    • 1
  • W. Patrick Williams
    • 1
  1. 1.Biochemistry DepartmentKing’s College London (KQC)UK

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