Fluid-Phase Endocytosis and Lysosomal Enzyme Excretion Two Facets of Intracellular Membrane Traffic

  • G. Klein
  • M. Bof
  • C. Gonzalez
  • M. Satre


Endocytosis is the cellular phenomenon by means of which all eukaryotes, at least to some degree, internalize material in vesicles derived from invaginations of their own plasma membrane. In fluid-phase pinocytosis, the internalized fluid components do not bind to the plasma membrane, and entry is non-saturable with respect to concentration of compounds contained in the fluid. This is in contrast to receptor-mediated endocytosis where internalized ligands bind to specific cell surface receptors (for reviews see Besterman and Low, 1983 ; Steinman et al., 1983 ; Wileman et al., 1985).


Lysosomal Enzyme Dictyostelium Discoideum Endosomal Compartment Secondary Lysosome Cellular Slime Mold 
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© Springer-Verlag Berlin Heidelberg 1988

Authors and Affiliations

  • G. Klein
  • M. Bof
  • C. Gonzalez
  • M. Satre

There are no affiliations available

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