ERRATUM
Volume 83, no. 3, 2017, https://doi.org/10.1128/AEM.02508-16. Page 5, lines 2–4: “QS compounds include N-acyl-homoserine lactones (AHLs), produced by Gram-negative bacteria, and autoinducing peptides (autoinducer 2 [AI-2]) produced by Gram-positive bacteria” should read “QS compounds include N-acyl homoserine lactones (AHLs) (produced by Gram-negative bacteria), autoinducing peptides (produced by Gram-positive bacteria), and autoinducer 2 (AI-2) (produced by Gram-positive and Gram-negative bacteria).”