title: Transposition of a bacterial IS3 element into a Xenopus Vi-element.
mesh_terms: D000818:Animals; D004251:DNA Transposable Elements; D004926:Escherichia coli / Q000235:genetics*; D005798:Genes, Bacterial; D014819:Vitellogenins / Q000235:genetics*; D014981:Xenopus
chemical_list: D004251:DNA Transposable Elements; D014819:Vitellogenins