A plasma membrane factor inhibiting intercellular adhesion in Polysphondylium pallidum

  • Bozzaro S
  • Bernstein R
  • Roseman S
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Abstract

A cell adhesion-inhibiting activity was released by sonication of purified plasma membranes from Polysphondylium pallidum aggregation-competent cells. The activity was found to be periodate-sensitive but insensitive to trypsin treatment and relatively heat-stable. Adhesion of Dictyostelium discoideum cells was not affected by the released factor suggesting its species specificity. © 1983.

Author-supplied keywords

  • Dictyostelium discoideum
  • Polysphondylium pallidum
  • cellular slime mold
  • contact sites
  • intercellular adhesion
  • plasma membranes

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Authors

  • Salvatore Bozzaro

  • Roslyn Bernstein

  • Saul Roseman

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