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. 2017 Apr 28;18:334. doi: 10.1186/s12864-017-3708-4

Fig. 7.

Fig. 7

ATCC 33988 shows muted expression from the QS network. (a) Schematic showing QS autoinducer synthesis genes and cognate receptors for in Pseudomonas aeruginosa as discussed in text. LC-MS traces of the autoinducer molecules (b) 3-oxo-C12-HSL and (c) PQS in the extracellular media. Triangles represent putative PQS isomers with different retention times but the same exact mass as the PQS standard