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Mol Cell Biol. 1985 October; 5(10): 2559-2566

A polymorphic, prespore-specific cell surface glycoprotein is present in the extracellular matrix of Dictyostelium discoideum.

W N Grant, D L Welker and K L Williams

ABSTRACT

Polymorphisms of a major developmentally regulated prespore-specific protein (PsA) in Dictyostelium discoideum slugs are described. These polymorphisms allowed discrimination between PsA (found on the cell surface and in the extracellular matrix) and a similar extracellular but nonpolymorphic protein, ShA. The two proteins were also distinguished by their differing reactivities with a range of monoclonal antibodies and by their sensitivity to release from the sheath with cellulase. The results are discussed in terms of the molecular and genetic relationships between the cell surface and the extracellular matrix during development.

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Mol Cell Biol. 1985 October; 5(10): 2559-2566

This article has been cited by other articles:

• Watson, N, McGuire, V, Alexander, S (1994). The PsB glycoprotein complex is secreted as a preassembled precursor of the spore coat in Dictyostelium discoideum. J. Cell Sci. 107: 2567-2579 [Abstract]  
• Fuchs, M, Jones, M., Williams, K. (1993). Characterisation of an epithelium-like layer of cells in the multicellular Dictyostelium discoideum slug. J. Cell Sci. 105: 243-253 [Abstract]