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Volume 4, Number 4—December 1998
Synopsis

Cell-to-Cell Signaling and Pseudomonas aeruginosa Infections

Christian Van Delden and Barbara H. Iglewski
Author affiliations: University of Rochester School of Medicine and Dentistry, Rochester, New York, USA

Main Article

Figure 3

Cell-to-cell signaling systems. Cell-to-cell signaling systems are composed of two genes. The I gene encodes an autoinducer synthase and the R gene encodes a transcriptional activator protein (R-protein). The autoinducer synthase is responsible for the synthesis of an autoinducer molecule (AI), which crosses the cell membrane. With increasing cell-density the intracellular concentration of AI reaches a threshold level, and the AI then binds to the transcriptional activator. The complex R-protein

Figure 3. Cell-to-cell signaling systems. Cell-to-cell signaling systems are composed of two genes. The I gene encodes an autoinducer synthase and the R gene encodes a transcriptional activator protein (R-protein). The autoinducer synthase is responsible for the synthesis of an autoinducer molecule (AI), which crosses the cell membrane. With increasing cell-density the intracellular concentration of AI reaches a threshold level, and the AI then binds to the transcriptional activator. The complex R-protein/AI activates the expression of specific target genes.

Main Article

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