1979
Regulation of biosynthesis of aminoacyl-transfer RNA synthetases and of transfer-RNA in Escherichia coli.
Morgan S, Larossa R, Cheung A, Low B, Söll D. Regulation of biosynthesis of aminoacyl-transfer RNA synthetases and of transfer-RNA in Escherichia coli. Biological Research 1979, 12: 415-26. PMID: 45219.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseLeucyl-tRNA synthetaseGlnR mutantRegulation of biosynthesisClasses of mutantsTemperature-resistant revertantsOperator-promoter regionAminoacyl-transfer RNA synthetasesStructural geneLeu genesRegulatory mutantsThermolabile leucyl-tRNA synthetaseMutantsResistant revertantsFormation of glutamineGlutamine synthetaseE. coli strainsEscherichia coliRNA synthetasesGenesSynthetaseElevated levelsRevertantsColi strainsGlnTRegulation of the biosynthesis of aminoacyl-transfer ribonucleic acid synthetases and of transfer ribonucleic acid in Escherichia coli. VI. Mutants with increased levels of glutaminyl-transfer ribonucleic acid synthetase and of glutamine transfer ribonucleic acid
Cheung A, Morgan S, Low K, Söll D. Regulation of the biosynthesis of aminoacyl-transfer ribonucleic acid synthetases and of transfer ribonucleic acid in Escherichia coli. VI. Mutants with increased levels of glutaminyl-transfer ribonucleic acid synthetase and of glutamine transfer ribonucleic acid. Journal Of Bacteriology 1979, 139: 176-184. PMID: 378954, PMCID: PMC216843, DOI: 10.1128/jb.139.1.176-184.1979.Peer-Reviewed Original ResearchConceptsTransfer ribonucleic acidAminoacyl-transfer ribonucleic acid synthetasesE. coli mapGlutaminyl-tRNA synthetaseRibonucleic acidTRNA-GlnStructural geneGenetic lociEscherichia coli strainsSpontaneous revertantsEscherichia coliParental strainThermolabile enzymeInteresting strainsColi strainsSynthetaseLociRevertantsEnzymeGlnMin 24GlnRStrainsTRNAMutantsRegulation of the biosynthesis of aminoacyl-transfer ribonucleic acid synthetases and of transfer ribonucleic acid in Escherichia coli. V. Mutants with increased levels of valyl-transfer ribonucleic acid synthetase
Baer M, Low K, Söll D. Regulation of the biosynthesis of aminoacyl-transfer ribonucleic acid synthetases and of transfer ribonucleic acid in Escherichia coli. V. Mutants with increased levels of valyl-transfer ribonucleic acid synthetase. Journal Of Bacteriology 1979, 139: 165-175. PMID: 378953, PMCID: PMC216842, DOI: 10.1128/jb.139.1.165-175.1979.Peer-Reviewed Original ResearchConceptsValyl-tRNA synthetaseAminoacyl-transfer ribonucleic acid synthetasesTransfer ribonucleic acidStructural geneProtein degradationEnzyme overproductionGenetic lociEscherichia coli strainsSpontaneous revertantsEscherichia coliThermolabile enzymeEnzyme synthesisSynthetaseNew enzyme synthesisColi strainsRibonucleic acidRevertantsTurnover rateSynthetasesMutantsBiosynthesisGenesLociColiEnzyme
1977
Regulation of biosynthesis of aminoacyl-tRNA synthetases and of tRNA in Escherichia coli II. Isolation of regulatory mutants affecting leucyl-tRNA synthetase levels
LaRossa R, Vögeli G, Low K, Söll D. Regulation of biosynthesis of aminoacyl-tRNA synthetases and of tRNA in Escherichia coli II. Isolation of regulatory mutants affecting leucyl-tRNA synthetase levels. Journal Of Molecular Biology 1977, 117: 1033-1048. PMID: 342703, DOI: 10.1016/s0022-2836(77)80011-9.Peer-Reviewed Original ResearchConceptsLeucyl-tRNA synthetaseThermolabile leucyl-tRNA synthetaseRegulation of biosynthesisDistinct genetic lociAminoacyl-tRNA synthetasesEscherichia coli IIOperator-promoter regionStructural geneRegulatory mutantsGenetic lociEscherichia coli strainsSuch revertantsSpontaneous revertantsThermolabile enzymeLociSynthetaseColi strainsRevertantsSynthetase levelsLeuTRNAMutantsSynthetasesLeuXBiosynthesisRegulation of biosynthesis of aminoacyl-tRNA synthetases and of tRNA in Escherichia coli I. Isolation and characterization of a mutant with elevated levels of tRNAGln1
Morgan S, Körner A, Low K, Söll D. Regulation of biosynthesis of aminoacyl-tRNA synthetases and of tRNA in Escherichia coli I. Isolation and characterization of a mutant with elevated levels of tRNAGln1. Journal Of Molecular Biology 1977, 117: 1013-1031. PMID: 24122, DOI: 10.1016/s0022-2836(77)80010-7.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseAminoacyl-tRNA synthetasesRegulation of biosynthesisEscherichia coli strainsGlutamine synthetaseSpontaneous revertantsSynthetasesColi strainsMutantsSynthetaseElevated levelsRevertantsI. IsolationTRNABiosynthesisDuplicationSpeciesMutationsGlnTRegulationOverproductionIsolationSuppression of a defective alanyl-tRNA synthetase in Escherichia coli: A compensatory mutation to high alanine affinity
Theall G, Low K, Söll D. Suppression of a defective alanyl-tRNA synthetase in Escherichia coli: A compensatory mutation to high alanine affinity. Molecular Genetics And Genomics 1977, 156: 221-227. PMID: 340903, DOI: 10.1007/bf00283495.Peer-Reviewed Original ResearchConceptsTemperature-resistant revertantsAlanyl-tRNA synthetaseResistant revertantsE. coli mapWild-type enzymeRibosomal proteinsStructural geneGene mapsSynthetase mutantsMutant enzymesParental enzymeCompensatory mutationsTemperature-sensitive characterEscherichia coliAdditional mutationsEnzymeRevertantsSynthetaseMutationsKm valuesAlanineRecAMutantsGenesAffinity