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. 2015 Mar 10;3:30. doi: 10.3389/fbioe.2015.00030

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Copyright © 2015 Davis, Muller and Haynes.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Diversity in homoserine lactones (HSLs) produced by synthases across bacterial species. Select synthases and representative species are shown in gray boxes. Each row represents one or several HSLs produced by one or more synthase. The number of synthases with each HSL profile is indicated. A (1+) indicates that the exact number of synthases is not known. A comprehensive chart with referenced literature is provided as Supplemental Material. Hypothetical = cases where one of two molecules with identical mass [i.e., 3O-C(n)-homoserine lactone (HSL) and C(n + 1)-HSL] might be produced by the bacterium, but the molecules could not be resolved with mass spectrometry. *The hypothetical monounsaturated C12-HSL produced by AbaI is not shown here.