title: Broad-host-range plasmid cloning vectors for gram-negative bacteria.
authors.forename: T J
authors.initials: TJ
authors.lastname: Schmidhauser
authors.forename: G
authors.initials: G
authors.lastname: Ditta
authors.forename: D R
authors.initials: DR
authors.lastname: Helinski
mesh_terms: D003001:Cloning, Molecular; D003360:Cosmids; D004262:DNA Restriction Enzymes; D005822:Genetic Vectors; D006090:Gram-Negative Bacteria / Q000235:genetics*; D010957:Plasmids
chemical_list: D004262:DNA Restriction Enzymes