An RNA polymerase mutant of Escherichia coli defective in the T4 viral transcription program.

Coliphages/enzymology,growth & development,metabolism DNA Replication DNA, Viral/biosynthesis DNA-Directed RNA Polymerases/biosynthesis Drug Resistance, Microbial Escherichia coli/drug effects,enzymology Lysogeny Muramidase/biosynthesis Mutation Phenotype RNA, Messenger/biosynthesis Rifampin/pharmacology Thymidine/metabolism Transcription, Genetic Tritium Uridine/metabolism Viral Proteins/biosynthesis Virus Replication

DNA, Viral RNA, Messenger Viral Proteins Tritium DNA-Directed RNA Polymerases Muramidase Thymidine Rifampin Uridine