title: Use of RP4 plasmids carrying bacteriophage Mu insertions in nitrogen fixing bacteria Klebsiella pneumoniae and Rhizobium meliloti.
mesh_terms: D003090:Coliphages / Q000235:genetics*; D003227:Conjugation, Genetic; D004274:DNA, Recombinant / Q000378:metabolism*; D005818:Genetic Engineering; D007711:Klebsiella pneumoniae / Q000235:genetics*; D009586:Nitrogen Fixation; D010957:Plasmids; D012231:Rhizobium / Q000235:genetics*; D013045:Species Specificity
chemical_list: D004274:DNA, Recombinant