title: Secondary promoter of the guanine operon of Escherichia coli K-12.
abstract: Evidence of a secondary promoter for the guaA gene within the guaB gene was obtained by using lambdapguaA transducing phage. The technique is generally applicable to distinguish a promoter present within a bacterial deoxyribonucleic acid segment, which has replaced the lambda b2 region of transducing phage, from the phage pI promoter.
mesh_terms: D002874:Chromosome Mapping; D002876:Chromosomes, Bacterial; D003090:Coliphages; D004926:Escherichia coli / Q000378:metabolism*; D006150:Guanine Nucleotides / Q000096:biosynthesis*; D008242:Lysogeny; D009876:Operon; D014158:Transcription, Genetic; D014161:Transduction, Genetic
chemical_list: D006150:Guanine Nucleotides