Feng, Lihui, Steven Rutherford, Kai Papenfort, John Bagert, Julia Kessel, David Tirrell, Ned Wingreen, and Bonnie Bassler. (2015) 2015. “A Qrr Noncoding RNA Deploys Four Different Regulatory Mechanisms to Optimize Quorum-Sensing Dynamics.”. Cell 160 (1-2): 228-40. doi:10.1016/j.cell.2014.11.051.