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Dev Biol. 1992 Sep;153(1):16-28.

Roles for the extracellular matrix in plant development and pollination: a special case of cell movement in plants.

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Department of Botany and Plant Sciences, University of California, Riverside 92521.


Pattern formation in plants is now thought to be primarily dependent on positional information during development. We discuss the prevalent theories on how position is deciphered by cells in an organism and highlight the recent advances implicating molecules of the cell wall or extracellular matrix (ECM) in this process. We compare the functions of the ECM in plants and animals and describe the various cell and substrate adhesion molecules of the animal ECM which play a role in morphogenesis and cell movement. We propose that analogous molecules may occur in plants and provide evidence for the presence of a substrate adhesion molecule like vitronectin in plants and algae. We provide a model for how substrate adhesion molecules may be involved in a special case of cell movement in plants, pollination.

[Indexed for MEDLINE]

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