The Effects of the RelA Gene on the Synthesis of Aminoacyl-tRNA Synthetases and Other Transcription and Translation Proteins in Escherichia Coli A

Overview

Journal Mol Gen Genet

Specialties Genetics
Molecular Biology

Date 1976 Dec 22

PMID 799247

Citations 36

Authors

R M Blumenthal

P G Lemaux

F C Neidhardt

P P Dennis

Affiliations

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Abstract

The effects of a partial restriction of valyl-tRNA aminoacylation on the synthesis of aminoacyl-tRNA synthetases, ribosomal proteins, and other translation and transcription proteins were examined in otherwise isogenic stringent (relA+) and relaxed (relA1) derivatives of E. coli B. The synthesis of individual ribosomal proteins, elongation factor G, and to a lesser extent elongation factors Tu and Ts, and the valyl- and arginyl-tRNA synthetases was found to be subject to the influence of the stringent control system. The synthesis of the alpha and beta subunits of RNA polymerase and several of the aminoacyl-tRNA synthetases, in contrast, is either not subject to the influence of the stringent control system, or is subject to additional regulatory constraints.

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