Volume 109, Issue 4, Pages (May 2002)

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Volume 109, Issue 4, Pages 421-424 (May 2002) Small Talk Bonnie L Bassler Cell Volume 109, Issue 4, Pages 421-424 (May 2002) DOI: 10.1016/S0092-8674(02)00749-3

Figure 1 Three Types of Quorum Sensing Systems (A) Gram-negative bacteria. (B) Gram-positive bacteria. (C) The gram-negative bacterium V. harveyi. The open circle represents the AI-2 binding protein LuxP (see text). In (B) and (C), the “P” shows that signal relay is by phosphorylation. H and D denote histidine and aspartate, which are the phosphorylated residues on the signaling proteins. Cell 2002 109, 421-424DOI: (10.1016/S0092-8674(02)00749-3)

Figure 2 AHL and AI-2 Biosynthesis AHLs and AI-2 are produced from SAM. The representative AHL shown is C4 AHL from P. aeruginosa. Cell 2002 109, 421-424DOI: (10.1016/S0092-8674(02)00749-3)

Figure 3 Representative Autoinducers and the Enzymes that Produce Them (A) Gram-negative AHL autoinducers. (B) Gram-positive oligopeptide autoinducers. The asterisk denotes an unknown modification. (C) V. harveyi AI-2. Cell 2002 109, 421-424DOI: (10.1016/S0092-8674(02)00749-3)