title: Unicorns revisited.
authors.affiliation: Institute of Molecular Biology, University of Oregon, Eugene 97403-1229.
authors.forename: F W
authors.initials: FW
authors.lastname: Stahl
mesh_terms: D004260:DNA Repair; D004261:DNA Replication; D004926:Escherichia coli / Q000235:genetics; D005784:Gene Amplification; D007763:Lac Operon; D008954:Models, Biological; D016296:Mutagenesis; D011938:Rec A Recombinases / Q000235:genetics; D011995:Recombination, Genetic; D014158:Transcription, Genetic
chemical_list: D011938:Rec A Recombinases