A search for transmissible pathogenic characters in invasive strains of Escherichia coli: the discovery of a plasmid-controlled toxin and a plasmid-controlled lethal character closely associated, or identical, with colicine V.

Agglutination Tests Animals Antigens, Bacterial/analysis Cattle Chickens Colicins Dialysis Drug Resistance, Microbial Escherichia coli/isolation & purification,pathogenicity Escherichia coli Infections/mortality Extrachromosomal Inheritance Filtration Genes, Lethal Hot Temperature Humans Hydrogen-Ion Concentration Immune Sera Liver/microbiology Mice Rabbits/immunology Salmonella typhimurium/pathogenicity Sepsis/microbiology Sheep Swine Toxins, Biological Ultrasonics

Antigens, Bacterial Colicins Immune Sera Toxins, Biological