title: DNA restriction and modification systems in Salmonella. I. SA and SB, two Salmonella typhimurium systems determined by genes with a chromosomal location comparable to that of the Escherichia coli hsd genes.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004267:DNA Viruses; D004269:DNA, Bacterial; D003851:Deoxyribonucleases / Q000378:metabolism; D004720:Endonucleases / Q000378:metabolism; D004926:Escherichia coli; D005796:Genes; D008040:Genetic Linkage; D005827:Genetics, Microbial; D005838:Genotype; D006238:Haploidy; D006824:Hybridization, Genetic; D009154:Mutation; D010641:Phenotype; D012483:Salmonella Phages; D012486:Salmonella typhimurium / Q000201:enzymology; D014161:Transduction, Genetic
chemical_list: D004269:DNA, Bacterial; D003851:Deoxyribonucleases; D004720:Endonucleases