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Correlation of Structure and Function of Chloroplast Membranes at the Supramolecular Level by L. Andrew Staehelin; Marcia DeWit is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

What is Correlation of Structure and Function of Chloroplast Membranes at the Supramolecular Level about?

Freeze-fracture electron microscopy has revealed that different size classes of intramembrane particles of chloroplast membranes are nonrandomly distributed between appressed grana and nonappressed stroma membrane regions. It is now generally assumed that thylakoid membranes contain five major functional complexes, each of which can give rise to an intramembrane particle of a defined size. These are the photosystem 11 complex, the photosystem I complex, the cytochrome f/b6 complex, the chlorophyll a/b light-harvesting complex, and the CFo-CFI ATP synthetase complex. By mapping the distribution of the different categories of intramembrane particles, information on the lateral organization of functional membrane units of thylakoid membranes can be determined. In this review, we present a brief summary of the evidence supporting the correlation of specific categories of intramembrane particles with known biochemical entities. In addition, we discuss studies showing that ions and phosphorylation of the membrane adhesion factor, the chlorophyll a/b light-harvesting complex, can affect the lateral organization of chloroplast membrane components and thereby regulate membrane function.

Who reads Correlation of Structure and Function of Chloroplast Membranes at the Supramolecular Level?

Author

L. Andrew Staehelin; Marcia DeWit

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0730-2312)

Published

1983

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)