The properties of sex pili, the viral nature of "conjugal" genetic transfer systems, and some possible approaches to the control of bacterial drug resistance.

Bacteria/analysis,metabolism Bacterial Proteins/analysis Bacteriophages Conjugation, Genetic DNA Replication DNA, Bacterial/biosynthesis DNA, Single-Stranded/biosynthesis DNA, Viral Drug Resistance, Microbial Extrachromosomal Inheritance Genetics, Microbial Microscopy, Electron Models, Biological Mutation Recombination, Genetic Staining and Labeling

Bacterial Proteins DNA, Bacterial DNA, Single-Stranded DNA, Viral