Mutant Bacterial Receptor Could Point to New therapies against Opportunistic Pathogen (image) PLOS Share Print E-Mail Caption RhlR* stimulates colony biofilm formation in P. aeruginosa in the absence of an autoinducer. Colony biofilm phenotypes of the designated P. aeruginosa strains following growth for 120 hours on tryptone Congo-red medium. Scale bar is 2 mm for all images. Images are representative of three biological replicates and two technical replicates for each biological replicate. Credit McCready AR, et al. (2019) Usage Restrictions CC-BY: Redistribution permitted with credit. Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.