title: Citrobacter freundii mutants deficient in host specificity functions and their recipient ability for foreign deoxyribonucleic acid.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003227:Conjugation, Genetic; D003470:Culture Media; D004269:DNA, Bacterial; D004925:Escherichia; D004926:Escherichia coli; D005838:Genotype; D009154:Mutation; D011995:Recombination, Genetic; D012486:Salmonella typhimurium
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial