Gene Expression in Vitro from Deoxyribonucleic Acid of Bacteriophage T7

The in vitro synthesis of lysozyme and RNA polymerase directed by DNA of bacteriophage T7 starts with different lag periods after addition of the template. The difference in lag period before appearance of enzyme could be attributed to a difference in the time needed for transcription. Assuming that...

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Veröffentlicht in:The Journal of biological chemistry 1971-11, Vol.246 (22), p.6707-6712
Hauptverfasser: Schweiger, M, Herrlich, P, Millette, R L
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container_issue 22
container_start_page 6707
container_title The Journal of biological chemistry
container_volume 246
creator Schweiger, M
Herrlich, P
Millette, R L
description The in vitro synthesis of lysozyme and RNA polymerase directed by DNA of bacteriophage T7 starts with different lag periods after addition of the template. The difference in lag period before appearance of enzyme could be attributed to a difference in the time needed for transcription. Assuming that the difference in lag phase is caused by a difference in the distance between the promoter and the corresponding gene, and taking into account the average rates of transcription and translation, the locations of the polymerase gene and the lysozyme gene on the phage genome were estimated. The distance between the promoter and the distal end of the lysozyme gene corresponds to an RNA of the molecular weight 2.2 x 10 6 . The polymerase gene is closer to the promoter. Transcription of T7 DNA by Escherichia coli RNA polymerase in vitro does indeed result in a polycistronic messenger RNA containing the information for synthesis of both RNA polymerase and lysozyme.
doi_str_mv 10.1016/S0021-9258(19)45904-8
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The difference in lag period before appearance of enzyme could be attributed to a difference in the time needed for transcription. Assuming that the difference in lag phase is caused by a difference in the distance between the promoter and the corresponding gene, and taking into account the average rates of transcription and translation, the locations of the polymerase gene and the lysozyme gene on the phage genome were estimated. The distance between the promoter and the distal end of the lysozyme gene corresponds to an RNA of the molecular weight 2.2 x 10 6 . The polymerase gene is closer to the promoter. 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source MEDLINE; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; Alma/SFX Local Collection
subjects Adenosine Monophosphate - metabolism
Carbon Isotopes
Cell-Free System
Chromosomes
Coliphages
Depression, Chemical
DNA, Bacterial - metabolism
DNA, Viral - metabolism
Electrophoresis, Disc
Escherichia coli - cytology
Escherichia coli - drug effects
Escherichia coli - enzymology
Escherichia coli - metabolism
Genes
Genetic Code
Kinetics
Magnesium - pharmacology
Metabolism - drug effects
Muramidase - biosynthesis
Mutation
Osmolar Concentration
Ribosomes - metabolism
Rifampin - pharmacology
RNA Nucleotidyltransferases - biosynthesis
RNA, Messenger - biosynthesis
Stimulation, Chemical
Templates, Genetic
Time Factors
Uncoupling Agents - pharmacology
Uracil Nucleotides - metabolism
title Gene Expression in Vitro from Deoxyribonucleic Acid of Bacteriophage T7
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