Phage T4-modified RNA polymerase transcribes T4 late genes in vitro.
Initiation of T4 late RNA synthesis has been achieved in an in vitro system prepared from Escherichia coli cells infected with wild-type or maturation-defective mutant T4 phage. The system uses a cellophane membrane as a mechanical support for concentrated cell lysates and for added streptolydigin-resistant RNA polymerases. Transcriptional activity and selectivity of added RNA polymerases are tested while endogenous RNA polymerase activity is inhibited by streptolydigin. T4-modified RNA polymerase is required for substantial stimulation of T4 late RNA synthesis.
D003090:Coliphages / Q000201:enzymology / Q000235:genetics*; D012321:DNA-Directed RNA Polymerases / Q000378:metabolism*; D005796:Genes; D007700:Kinetics; D012367:RNA, Viral / Q000096:biosynthesis; D013698:Templates, Genetic; D014157:Transcription Factors / Q000378:metabolism; D014158:Transcription, Genetic
D012367:RNA, Viral; D014157:Transcription Factors; D012321:DNA-Directed RNA Polymerases
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