Transcription: role in the initiation and replication of DNA synthesis in Escherichia coli and phiX174.

Ammonium Chloride/metabolism Carbon Isotopes Coliphages/drug effects,metabolism DNA Replication DNA, Bacterial/biosynthesis DNA, Viral/biosynthesis Escherichia coli/drug effects,growth & development,metabolism Glucose/metabolism Nitrogen Isotopes Nucleic Acid Conformation Phosphorus Isotopes RNA, Bacterial/biosynthesis RNA, Messenger Rifampin/pharmacology Thymidine/metabolism Thymine/metabolism Time Factors Tritium Uridine/metabolism Virus Replication

Carbon Isotopes DNA, Bacterial DNA, Viral Nitrogen Isotopes Phosphorus Isotopes RNA, Bacterial RNA, Messenger Ammonium Chloride Tritium Glucose Thymine Thymidine Rifampin Uridine