AcriflavineAcridinesPyronineBromouracilEthidiumThiouracilSpheroplastsAnti-Infective Agents, LocalAzaguanineDrug Resistance, MicrobialNitrosoguanidinesErysipelothrixAminoacridinesTrypanosomaEscherichia coliGenetics, MicrobialMutationSerratia marcescensMembrane Transport ProteinsChloramphenicolDNA, BacterialAntiportersMicrobial Sensitivity TestsRosaniline Dyes