title: Asymmetric segregation of the complementary sex-factor DNA strands during conjugation in Escherichia coli.
mesh_terms: D002499:Centrifugation, Density Gradient; D002501:Centrifugation, Zonal; D003227:Conjugation, Genetic; D004269:DNA, Bacterial / Q000096:biosynthesis*; D004926:Escherichia coli; D013936:Thymidine; D014316:Tritium
chemical_list: D004269:DNA, Bacterial; D014316:Tritium; D013936:Thymidine