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
1984
Transcriptionally active and inactive gene repeats within the D. meianogaster 5S RNA gene cluster
Sharp S, Garcia A, Cooley L, Söll D. Transcriptionally active and inactive gene repeats within the D. meianogaster 5S RNA gene cluster. Nucleic Acids Research 1984, 12: 7617-7632. PMID: 6093044, PMCID: PMC320189, DOI: 10.1093/nar/12.20.7617.Peer-Reviewed Original ResearchConceptsEfficiency of transcriptionRRNA gene copiesHigh transcription efficiencyTwo-nucleotide deletionD. melanogasterGene repeatRNA genesGene clusterPrimary transcriptGene copiesTranscription functionTranscription efficiencyTemplate activityCell extractsTranscriptionDNAPosition 28Position 86DNA typesRepeat unitsDeletionSame sequenceMelanogasterRRNAGenes