Discoidin I, a soluble lectin synthesized by aggregating Dictyostelium discoideum and implicated in their adhesion to the substratum, is localized in multilamellar bodies both intracellularly and upon externalization. These structures also contain a glycoconjugate that binds discoidin I. The multilamellar bodies apparently serve to package the lectin for externalization, and may then gradually release it to function extracellularly.
Discoidin I, an endogenous lectin, is externalized from Dictyostelium discoideum in multilamellar bodies.
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S H Barondes, P L Haywood-Reid, D N Cooper; Discoidin I, an endogenous lectin, is externalized from Dictyostelium discoideum in multilamellar bodies.. J Cell Biol 1 June 1985; 100 (6): 1825–1833. doi: https://doi.org/10.1083/jcb.100.6.1825
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