1990
Purification of the glutamyl-tRNA reductase from Chlamydomonas reinhardtii involved in delta-aminolevulinic acid formation during chlorophyll biosynthesis.
Chen M, Jahn D, O'Neill G, Söll D. Purification of the glutamyl-tRNA reductase from Chlamydomonas reinhardtii involved in delta-aminolevulinic acid formation during chlorophyll biosynthesis. Journal Of Biological Chemistry 1990, 265: 4058-4063. PMID: 2303495, DOI: 10.1016/s0021-9258(19)39702-9.Peer-Reviewed Original ResearchConceptsGlu-tRNA reductaseGlutamyl-tRNA reductaseGlu-tRNAChlamydomonas reinhardtiiTRNA-dependent transformationChloroplasts of plantsDelta-aminolevulinic acid formationApparent molecular massChlorophyll biosynthesisGlutamyl-tRNAHomologous tRNAsSecond enzymeActive enzymeMolecular massNondenaturing conditionsDifferent chromatographic separationsCertain bacteriaReductaseDelta-aminolevulinic acidReinhardtiiPorphyrin biosynthesisBiosynthesisStable complexesChromatographic separationCarboxyl groups
1989
delta-Aminolevulinic acid biosynthesis in Escherichia coli and Bacillus subtilis involves formation of glutamyl-tRNA.
O'Neill G, Chen M, Söll D. delta-Aminolevulinic acid biosynthesis in Escherichia coli and Bacillus subtilis involves formation of glutamyl-tRNA. FEMS Microbiology Letters 1989, 51: 255-9. PMID: 2511063, DOI: 10.1016/0378-1097(89)90406-0.Peer-Reviewed Original ResearchConceptsDelta-aminolevulinic acid biosynthesisChloroplasts of algaeTRNA-dependent transformationB. subtilisE. coliBacillus subtilisHigher plant speciesEscherichia coliPlant speciesAnaerobic eubacteriaGlutamyl-tRNAAcid biosynthesisCell-free extractsCell extractsBiosynthetic activitySubtilisDelta-aminolevulinic acidColiGabaculinAnaerobic conditionsAlaEubacteriaArchaebacteriaChloroplastsCyanobacteria
1988
Formation of the chlorophyll precursor delta-aminolevulinic acid in cyanobacteria requires aminoacylation of a tRNAGlu species
O'Neill G, Peterson D, Schön A, Chen M, Söll D. Formation of the chlorophyll precursor delta-aminolevulinic acid in cyanobacteria requires aminoacylation of a tRNAGlu species. Journal Of Bacteriology 1988, 170: 3810-3816. PMID: 2900830, PMCID: PMC211375, DOI: 10.1128/jb.170.9.3810-3816.1988.Peer-Reviewed Original ResearchConceptsPrecursor delta-aminolevulinic acidHigher plantsUnicellular cyanobacterium Synechocystis spGlutamate-1-semialdehyde aminotransferaseCell extractsCyanobacterium Synechocystis spDelta-aminolevulinic acidSouthern blot analysisIdentical primary sequencesSynechocystis spNucleotide modificationsConversion of glutamateGene copiesALA synthesisPrimary sequenceSequence specificityTerminal enzymePolyacrylamide gel electrophoresisChloroplastsEuglena gracilisEscherichia coliSpeciesBlot analysisTRNAGel electrophoresis
1986
The RNA required in the first step of chlorophyll biosynthesis is a chloroplast glutamate tRNA
Schön A, Krupp G, Gough S, Berry-Lowe S, Kannangara C, Söll D. The RNA required in the first step of chlorophyll biosynthesis is a chloroplast glutamate tRNA. Nature 1986, 322: 281-284. PMID: 3637637, DOI: 10.1038/322281a0.Peer-Reviewed Original ResearchConceptsΔ-aminolevulinatePeptide bond synthesisCognate amino acidMolecules of chlorophyllLow relative molecular massNucleotide sequence analysisRelative molecular massBond synthesisSubsequent reactionChlorophyll biosynthesisTransfer RNAUniversal precursorGlutamate tRNAAminoacyl bondSequence analysisNovel roleSerial affinity chromatographyMolecular massRNAAmino acidsComplete reactionBlue SepharoseAcceptor RNAReduction of glutamateReaction