Plasmid maps of the plasmids constructed. (A) DAPGRCV/GFP, (B) AHLRCV/GFP, (C) IPTGRCV/GFP, (D) RhamRCV/GFP, and (E) aTcRCV/AHL. Plasmids were constructed as described in SI Text. amp, Ampicillin resistance gene; ColE1 rep:, replication origin from ColE1 plasmid.