1993
The periplasmic dipeptide permease system transports 5-aminolevulinic acid in Escherichia coli
Verkamp E, Backman V, Björnsson J, Söll D, Eggertsson G. The periplasmic dipeptide permease system transports 5-aminolevulinic acid in Escherichia coli. Journal Of Bacteriology 1993, 175: 1452-1456. PMID: 8444807, PMCID: PMC193232, DOI: 10.1128/jb.175.5.1452-1456.1993.Peer-Reviewed Original ResearchConceptsDpp operonE. coli chromosomeEscherichia coliWild-type growthClasses of mutantsAbsence of ALAGenetic screenDpp mutationsColi chromosomeDpp transportALA biosynthesisFirst geneDipeptide transport systemAnaerobic growthChromosomal insertionOperonRecombinant plasmidTransport systemExogenous ALAALA uptakeE. coliNormal growthMutantsMutationsColi
1980
Two control regions for eukaryotic tRNA gene transcription.
DeFranco D, Schmidt O, Söll D. Two control regions for eukaryotic tRNA gene transcription. Proceedings Of The National Academy Of Sciences Of The United States Of America 1980, 77: 3365-3368. PMID: 6774336, PMCID: PMC349616, DOI: 10.1073/pnas.77.6.3365.Peer-Reviewed Original ResearchConceptsControl regionTRNALys geneGene transcriptionEukaryotic tRNA gene transcriptionTRNA gene transcriptionInternal control regionIdentical coding sequenceShort leader sequencePrecursor tRNAsTranscription initiationMature tRNALeader sequenceCoding sequencePBR322 sequencesNuclear extractsRecombinant plasmidTranscriptionXenopus oocytesGenesTRNASequence