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
1985
[8] Glutaminyl-tRNA synthetase of Escherichia coli
Hoben P, Söll D. [8] Glutaminyl-tRNA synthetase of Escherichia coli. Methods In Enzymology 1985, 113: 55-59. PMID: 3911010, DOI: 10.1016/s0076-6879(85)13011-9.Peer-Reviewed Original ResearchConceptsGlutaminyl-tRNA synthetaseStructural geneSpecific aminoacyl-tRNA synthetaseE. coli chromosomeAmino acidsCognate amino acidTemperature-sensitive phenotypeGlutamyl-tRNA synthetaseAminoacyl-tRNA synthetaseColi chromosomeGln-tRNAGlnDNA fragmentsProtein synthesisEscherichia coliThermolabile enzymeCellular levelGenesGln mutationSynthetaseGlnRE. coliSeparate enzymesMultistep processNegative bacteriaEnzyme