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Control of glutaminase synthesis in Escherichia coli

โœ Scribed by Varricchio, Frederick

Publisher
Springer-Verlag
Year
1972
Weight
232 KB
Volume
81
Category
Article
ISSN
0003-9276

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The effect of amino acid-starvation on the transcription in vitro of overall RNA and ribosomal RNA was investigated using nucleoids prepared from the exponentially growing and the amino acid-starved cells of rel+ and rel- strains of Escherichia coli. In this system, the synthesis of RNA is exclusive

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The ribosomal RNA synthesis in a cell-free system containing the nucleoids and the cytoplasmic fraction prepared from Escherichia coli cells has been investigated. The addition of the "4S" fraction from the cytoplasm to the isolated nucleoids induces RNA synthesis by a new chain initiation. In this