Genes, SyntheticArtificial Gene FusionGene FusionMembrane FusionOncogene FusionCell FusionRecombinant Fusion ProteinsOncogene Proteins, FusionGenetic LociMolecular Sequence DataBase SequenceSpinal FusionViral Fusion ProteinsGenes, Bacterialbeta-GalactosidaseAmino Acid SequenceQuantitative Trait LociCloning, MolecularChromosome MappingEscherichia coliPlasmidsBacterial ProteinsMutationTranslocation, GeneticLac OperonGene Expression Regulation, BacterialTranscription, GeneticGalactosidasesPromoter Regions, GeneticChromosome BreakpointsOperonGenetic LinkageTranscription FactorsGenesPhenotypeRestriction Mapping