title: Mutants of satellite bacteriophage P4 that are defective in the suppression of transcriptional polarity.
mesh_terms: D001433:Bacteriolysis; D003090:Coliphages / Q000235:genetics*; D004926:Escherichia coli; D015870:Gene Expression; D009154:Mutation; D014176:Protein Biosynthesis; D013489:Suppression, Genetic; D014764:Viral Proteins / Q000096:biosynthesis
chemical_list: D014764:Viral Proteins