Stimulation of DNA-Dependent RNA Synthesis by a Protein Associated with Ribosomes

A protein factor partially purified from ribosomes of Escherichia coli RCrelcells starved for an amino acid markedly stimulates DNA-dependent RNA synthesis by core and whole RNA polymerase. This protein factor appears to differ from the sigma factor and the M factor. The properties of this new facto...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 1971-08, Vol.68 (8), p.1898-1901
Hauptverfasser:	Mahadik, S. P., Srinivasan, P. R.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adenosine Monophosphate - metabolism Amino Acids Autoradiography Bacterial Proteins - isolation & purification Bacterial Proteins - metabolism Biochemistry Biological Sciences: Biochemistry Carbon Isotopes Cell growth Centrifugation Chromatography Culture Media Cyclic GMP - metabolism DNA DNA, Bacterial - metabolism Escherichia coli - analysis Escherichia coli - metabolism Methionine Ribosomes Ribosomes - analysis RNA RNA Nucleotidyltransferases - metabolism RNA, Bacterial - biosynthesis Starvation Templates, Genetic
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Beschreibung
Zusammenfassung:	A protein factor partially purified from ribosomes of Escherichia coli RCrelcells starved for an amino acid markedly stimulates DNA-dependent RNA synthesis by core and whole RNA polymerase. This protein factor appears to differ from the sigma factor and the M factor. The properties of this new factor and its mechanism of action have been explored.
ISSN:	0027-8424 1091-6490
DOI:	10.1073/pnas.68.8.1898