title: Transducing particles of PBS 1.
mesh_terms: D001412:Bacillus subtilis / Q000032:analysis*; D001435:Bacteriophages / Q000032:analysis*; D002499:Centrifugation, Density Gradient; D004269:DNA, Bacterial / Q000032:analysis*; D004279:DNA, Viral / Q000032:analysis*; D008854:Microscopy, Electron; D010759:Phosphorus Isotopes; D013936:Thymidine / Q000378:metabolism; D013941:Thymine / Q000378:metabolism; D014161:Transduction, Genetic; D014316:Tritium; D014498:Uracil / Q000378:metabolism
chemical_list: D004269:DNA, Bacterial; D004279:DNA, Viral; D010759:Phosphorus Isotopes; D014316:Tritium; D014498:Uracil; D013941:Thymine; D013936:Thymidine