title: Safer derivatives of bacteriophage lambdagt-lambdaC for use in cloning of recombinant DNA molecules.
mesh_terms: D003090:Coliphages; D004279:DNA, Viral / Q000378:metabolism; D005796:Genes; D005821:Genetic Techniques; D009154:Mutation; D011995:Recombination, Genetic
chemical_list: D004279:DNA, Viral