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. 2014 Jul 18;3(3):596–632. doi: 10.3390/pathogens3030596

Figure 5.

Figure 5

Summary of the LuxS Quorum sensing system of Escherichia coli. Autoinducer-II, represented by pentagons, is formed from a LuxS catalyzed cleavage reaction of S-ribosylhomocysteine to 4,5-dihydroxy 2,3-pentanedione and homocysteine [213]. Key: AIP-II: Autoinducer-II: Inline graphic DPD: 4,5-dihydroxy-2,3-pentanedione. Adapted from Li, 2007 [184].