Truong T, Seyedsayamdost M, Greenberg P, Chandler J. A Burkholderia thailandensis Acyl-Homoserine Lactone-Independent Orphan LuxR Homolog That Activates Production of the Cytotoxin Malleilactone. J Bacteriol. 2015;197(21):3456–62. PMCID: PMC4621068