title: X-ray-induced single-strand breaks and joining of broken strands in superinfecting lambda DNA in Escherichia coli lysogenic for lambda.
mesh_terms: D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000528:radiation effects*; D004247:DNA / Q000032:analysis; D004279:DNA, Viral / Q000528:radiation effects*; D004926:Escherichia coli / Q000528:radiation effects*; D008242:Lysogeny; D011831:Radiation Genetics; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D004279:DNA, Viral; D014316:Tritium; D004247:DNA; D013936:Thymidine