title: A plasmid cloning vector for the direct selection of strains carrying recombinant plasmids.
mesh_terms: D000667:Ampicillin / Q000494:pharmacology; D005822:Genetic Vectors; D010641:Phenotype; D010957:Plasmids; D011815:R Factors; D011995:Recombination, Genetic; D013307:Streptomycin / Q000494:pharmacology; D014169:Transformation, Bacterial
chemical_list: D000667:Ampicillin; D013307:Streptomycin