title: Studies with Escherichia coli sex factors.
mesh_terms: D002499:Centrifugation, Density Gradient; D055598:Chemical Phenomena; D002627:Chemistry, Physical; D002876:Chromosomes, Bacterial / Q000528:radiation effects; D003470:Culture Media; D004247:DNA / Q000032:analysis; D004261:DNA Replication; D004269:DNA, Bacterial / Q000032:analysis; D004926:Escherichia coli / Q000032:analysis*; D005111:Extrachromosomal Inheritance; D005827:Genetics, Microbial; D008967:Molecular Biology; D008970:Molecular Weight; D011511:Proteus / Q000032:analysis; D011831:Radiation Genetics; D012723:Sex; D013941:Thymine / Q000378:metabolism; D014316:Tritium
chemical_list: D003470:Culture Media; D004269:DNA, Bacterial; D014316:Tritium; D004247:DNA; D013941:Thymine