title: IS-elements in microorganisms.
mesh_terms: D002869:Chromosome Aberrations; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004926:Escherichia coli; D009154:Mutation; D009876:Operon; D014176:Protein Biosynthesis; D011815:R Factors; D011995:Recombination, Genetic; D014158:Transcription, Genetic