Summary
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 α and β 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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Communicated by H.G. Wittmann
This work is in partial fulfillment of the requirements of the University of Michigan for the Ph.D. degrees of R.M.B. and P.G.L.
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Blumenthal, R.M., Lemaux, P.G., Neidhardt, F.C. et al. The effects of the relA gene on the synthesis of aminoacyl-tRNA synthetases and other transcription and translation proteins in Escherichia coli B. Molec. Gen. Genet. 149, 291–296 (1976). https://doi.org/10.1007/BF00268530
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DOI: https://doi.org/10.1007/BF00268530