PMID:6211434
| Citation |
Beny, G, Boyen, A, Charlier, D, Lissens, W, Feller, A and Glansdorff, N (1982) Promoter mapping and selection of operator mutants by using insertion of bacteriophage Mu in the argECBH divergent operon of Escherichia coli K-12. J. Bacteriol. 151:62-7 |
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| Abstract |
The analysis of a large number of Arg mutants obtained by inserting phage Mu in the argECBH cluster of genes confirmed the "facing" arrangement proposed earlier for the promoters of argE (argEp) and argCBH (argCBHp) and clarified remaining ambiguities regarding the localization of argEp. Casadaban and Cohen's Mu d lac phages (M. Casadaban and S. N. Cohen, Proc. Natl. Acad. Sci. U.S.A. 76:4530-4533, 1979) were used to construct strains where either an intact or a truncated lacZ gene was fused to argC or argB. Several operator-constitutive mutations could be selected for in such strains; the mutations affected both arms of the cluster, thereby defining one common operator region for both directions of transcription. |
| Links | |
| Keywords |
Bacteriophage lambda/genetics; Chromosome Mapping; Coliphages/genetics; Escherichia coli/genetics; Genes, Bacterial; Genes, Regulator; Genotype; Mutation; Operon; Species Specificity |
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