Targeting Staphylococcus aureus quorum sensing with non-peptidic small molecule inhibitorsMurray, E., Crowley, R., Truman, A., Clarke, S., Cottam, J., Jadhav, G., Steele, V., O'Shea, P., Lindholm, C., Cockayne, A., Chhabra, R., Chan, W. C. and Williams, P. (2014) Targeting Staphylococcus aureus quorum sensing with non-peptidic small molecule inhibitors. Journal of Medicinal Chemistry, 57 (6). pp. 2813-2819. ISSN 0022-2623 Full text not archived in this repository. It is advisable to refer to the publisher's version if you intend to cite from this work. See Guidance on citing. To link to this item DOI: 10.1021/jm500215s Abstract/SummaryA series of 3-oxo-C12-HSL, tetramic acid and tetronic acid analogues was synthesized to gain insights into the structural requirements for quorum sensing inhibition in Staphylococcus aureus. Compounds active against agr were non-competitive inhibitors of the auto-inducing peptide (AIP)-activated AgrC receptor, by altering the activation efficacy of the cognate AIP-1. They appeared to act as negative allosteric modulators and are exemplified by 3-tetradecanoyltetronic acid 17 which reduced nasal cell colonization and arthritis in a murine infection model.
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