2000
A Mutant Escherichia coli Tyrosyl-tRNA Synthetase Utilizes the Unnatural Amino Acid Azatyrosine More Efficiently than Tyrosine*
Hamano-Takaku F, Iwama T, Saito-Yano S, Takaku K, Monden Y, Kitabatake M, Söll D, Nishimura S. A Mutant Escherichia coli Tyrosyl-tRNA Synthetase Utilizes the Unnatural Amino Acid Azatyrosine More Efficiently than Tyrosine*. Journal Of Biological Chemistry 2000, 275: 40324-40328. PMID: 11006270, DOI: 10.1074/jbc.m003696200.Peer-Reviewed Original ResearchConceptsUnnatural amino acidsTyrosyl-tRNA synthetaseEscherichia coli tyrosyl-tRNA synthetasePosition 130Amino acidsVivo protein biosynthesisE. coli cellsAminoacyl-tRNA formationSingle point mutationTyrRS mutantsCellular proteinsProtein biosynthesisTYR geneMutant enzymesPlasmid libraryReplacement of phenylalanineColi cellsImmense potentialNormal phenotypeEfficient productionPoint mutationsTyrRSProteinPolymerase chain reaction techniqueSynthetase
1994
A point mutation in Euglena gracilis chloroplast tRNA(Glu) uncouples protein and chlorophyll biosynthesis.
Stange-Thomann N, Thomann H, Lloyd A, Lyman H, Söll D. A point mutation in Euglena gracilis chloroplast tRNA(Glu) uncouples protein and chlorophyll biosynthesis. Proceedings Of The National Academy Of Sciences Of The United States Of America 1994, 91: 7947-7951. PMID: 8058739, PMCID: PMC44521, DOI: 10.1073/pnas.91.17.7947.Peer-Reviewed Original ResearchMeSH KeywordsAldehyde OxidoreductasesAnimalsBase SequenceBlotting, NorthernChlorophyllChloroplastsCloning, MolecularDNADNA PrimersEuglena gracilisIntramolecular TransferasesIsomerasesMolecular Sequence DataNucleic Acid ConformationPoint MutationPolymerase Chain ReactionProtein BiosynthesisRNA, Transfer, GluConceptsEuglena gracilis chloroplastsChlorophyll biosynthesisGlu-tRNA reductaseChlorophyll-deficient mutantsPoint mutationsChloroplast protein synthesisSequence-specific mannerDual-function moleculeC5 pathwayNADPH-dependent reductionSpecific cofactorsGluTRFirst enzymeGene productsUniversal precursorImportant identity elementAminomutase activitySequence analysisE. gracilisSecond enzymeTetrapyrrole pigmentsT-loopProtein synthesisBiosynthesisChloroplasts
1986
Inactivation of nonsense suppressor transfer RNA genes in Schizosaccharomyces pombe Intergenic conversion and hot spots of mutation
Heyer W, Münz P, Amstutz H, Aebi R, Gysler C, Schuchert P, Szankasi P, Leupold U, Kohli J, Gamulin V, Söll D. Inactivation of nonsense suppressor transfer RNA genes in Schizosaccharomyces pombe Intergenic conversion and hot spots of mutation. Journal Of Molecular Biology 1986, 188: 343-353. PMID: 3735426, DOI: 10.1016/0022-2836(86)90159-2.Peer-Reviewed Original ResearchConceptsTRNA genesSuppressor tRNA geneIntergenic conversionDNA sequencesTransfer RNA genesYeast Schizosaccharomyces pombeSerine tRNA geneCrosses of strainsSame molecular mechanismsConcerted evolutionRNA genesProgeny sporesSchizosaccharomyces pombeAllelic conversionDifferent chromosomesConversion eventsIntron sequencesSequence transferMolecular mechanismsMutation hot spotsSpontaneous mutationsVegetative cellsGenesPoint mutationsSuppressor activity
1985
Mutations preventing expression of sup3 tRNASer nonsense suppressors of Schizosaccharomyces pombe.
Pearson D, Willis I, Hottinger H, Bell J, Kumar A, Leupold U, Söll D. Mutations preventing expression of sup3 tRNASer nonsense suppressors of Schizosaccharomyces pombe. Molecular And Cellular Biology 1985, 5: 808-815. PMID: 3921825, PMCID: PMC366785, DOI: 10.1128/mcb.5.4.808.Peer-Reviewed Original ResearchConceptsTRNA genesSchizosaccharomyces pombeGenomic clone bankEucaryotic tRNA genesTranscription control regionsIdentification of mutationsClone bankTRNA precursorsControl regionNonsense codonGenetic evidenceNonsense suppressorsRevertant allelesTranscriptional efficiencySaccharomyces cerevisiae extractSequence analysisSuppressor locusColony hybridizationMutational hotspotsPoint mutationsCerevisiae extractGenesPombeMutationsSplicingMutations Preventing Expression of sup3 tRNASer Nonsense Suppressors of Schizosaccharomyces pombe
Pearson D, Willis I, Hottinger H, Bell J, Kumar A, Leupold U, Söll D. Mutations Preventing Expression of sup3 tRNASer Nonsense Suppressors of Schizosaccharomyces pombe. Molecular And Cellular Biology 1985, 5: 808-815. DOI: 10.1128/mcb.5.4.808-815.1985.Peer-Reviewed Original ResearchTRNA genesGenomic clone bankEucaryotic tRNA genesTranscription control regionsIdentification of mutationsSchizosaccharomyces pombeClone bankTRNA precursorsControl regionNonsense codonGenetic evidenceNonsense suppressorsRevertant allelesTranscriptional efficiencySaccharomyces cerevisiae extractSequence analysisSuppressor locusColony hybridizationMutational hotspotsPoint mutationsCerevisiae extractGenesMutationsSup3SchizosaccharomycesMutations Preventing Expression of sup3 tRNASer Nonsense Suppressors of Schizosaccharomyces pombe
Pearson D, Willis I, Hottinger H, Bell J, Kumar A, Leupold U, Söll D. Mutations Preventing Expression of sup3 tRNASer Nonsense Suppressors of Schizosaccharomyces pombe. Molecular And Cellular Biology 1985, 5: 808-815. DOI: 10.1128/mcb.5.4.808-815.1985.Peer-Reviewed Original ResearchSup3-e geneTRNA genesInternal transcriptional control regionSuppression of nonsense codonsGenomic clone bankEucaryotic tRNA genesSaccharomyces cerevisiae extractsTranscriptional control regionIdentification of mutationsSchizosaccharomyces pombeColony hybridizationRevertant allelesTRNA precursorsClone bankNonsense codonSuppressor locusGenetic evidenceSequence analysisControl regionMutational hotspotsTranscription efficiencyPoint mutationsGenesMutationsSup3