title: . . . and then there were two.
authors.forename: T A
authors.initials: TA
authors.lastname: Baker
mesh_terms: D002872:Chromosome Deletion; D002875:Chromosomes / Q000502:physiology*; D002876:Chromosomes, Bacterial / Q000502:physiology*; D004261:DNA Replication; D004270:DNA, Circular / Q000235:genetics*; D004926:Escherichia coli / Q000235:genetics; D005798:Genes, Bacterial; D011995:Recombination, Genetic
chemical_list: D004270:DNA, Circular