cell-cell signaling pathway

cell-cell signaling pathway

extracellular signals that regulate cell proliferation in adult tissues; during embryogenesis they affect gene expression, positioning of the mitotic spindle, cell shape, cell-cell interactions, and cell migration. Many of the effects are thought to be mediated by the cytoskeleton.
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meningitidis reveals only two genes, luxR and luxS, coding for known molecules involved in quorum sensing or other prokaryotic cell-cell signaling pathways. These genes are part of the well-characterized autoinducer-2 pathway, which plays a role in both intraspecies and interspecies communication in several prokaryotic organisms (3).