Functional Plant Biology Functional Plant Biology Society
Plant function and evolutionary biology

A model for the topology of the chloroplast thylakoid membrane

Per-Ola Arvidsson and Cecilia Sundby

Australian Journal of Plant Physiology 26(7) 687 - 694
Published: 1999


A model for the topological organization of the chloroplast thylakoid membrane is presented. A series of illustrations is provided, which outline a suggested 3-dimensional structure in cross-section and in full shape, which accounts both for the folding of one continuous membrane into multiple grana stacks as seen in cross-sectional electron micrographs and for the rapid reversible unfolding (destacking) of the grana stacks into lamellar sheets.

Keywords: chloroplast, electron microscopy, grana stacking, serial sectioning, topology, thylakoid organization, ultrastructure, 3-dimensional.

© CSIRO 1999

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