title: Satellite bacteriophage P4: characterization of mutants in two essential genes.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D003090:Coliphages / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism*; D004261:DNA Replication; D004267:DNA Viruses / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism*; D004279:DNA, Viral / Q000096:biosynthesis; D004926:Escherichia coli; D005796:Genes; D005816:Genetic Complementation Test; D006378:Helper Viruses; D008242:Lysogeny; D008854:Microscopy, Electron; D009154:Mutation; D011995:Recombination, Genetic; D012526:Satellite Viruses / Q000254:growth & development / Q000302:isolation & purification / Q000378:metabolism*; D013696:Temperature; D014158:Transcription, Genetic; D014316:Tritium; D014764:Viral Proteins / Q000096:biosynthesis
chemical_list: D002247:Carbon Isotopes; D004279:DNA, Viral; D014764:Viral Proteins; D014316:Tritium