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Cell adhesion molecules play an important physical role in shaping the structure of multicellular organisms. Recent studies show that they also play a role in intracellular and intercellular signaling. We describe a cell adhesion pathway that is mediated by the intercellular communication genes comC, lagC, and lagD during Dictyostelium development. Disruptions of these genes result in strains that...
We performed a screen for signaling genes by selecting mutant strains of Dictyostelium that fail to develop spores in a pure population but sporulate well in chimerae with wild type cells. We found 9 strains whose sporulation was induced up to 10 million-fold in chimerae. Most strains were also able to sporulate in chimerae with each other, but 2 pairs failed to do so, suggesting that the genes in...
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