title: The transplantation and manipulation of genes in microorganisms.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000235:genetics*; D003001:Cloning, Molecular; D004274:DNA, Recombinant; D010957:Plasmids; D014981:Xenopus / Q000235:genetics
chemical_list: D004274:DNA, Recombinant