title: Chromosomal integration of Klebsiella nitrogen fixation genes in Escherichia coli.
mesh_terms: D002250:Carbon Radioisotopes; D002499:Centrifugation, Density Gradient; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004269:DNA, Bacterial / Q000032:analysis; D004270:DNA, Circular; D004591:Electrophoresis, Polyacrylamide Gel; D004926:Escherichia coli; D005796:Genes; D005827:Genetics, Microbial; D006824:Hybridization, Genetic; D007711:Klebsiella pneumoniae; D008967:Molecular Biology; D008970:Molecular Weight; D009586:Nitrogen Fixation; D009591:Nitrogenase / Q000032:analysis; D010734:Phosphogluconate Dehydrogenase / Q000032:analysis; D014316:Tritium
chemical_list: D002250:Carbon Radioisotopes; D004269:DNA, Bacterial; D004270:DNA, Circular; D014316:Tritium; D010734:Phosphogluconate Dehydrogenase; D009591:Nitrogenase