PMID:3098914
| Citation |
Fletcher, AJ, Pugsley, AP and Glass, RE (1986) Investigation of the regulation of the Escherichia coli btuB gene using operon fusions. J. Gen. Microbiol. 132:2643-6 |
|---|---|
| Abstract |
Operon fusions were isolated between Mu dX (lac CmR ApR) and btuB, the gene encoding the multivalent vitamin B12 outer membrane receptor. Using these fusions, vitamin B12-mediated repression of btuB in Escherichia coli was demonstrated. Mutations in metH, metE and ompR as well as exogenous methionine, membrane pertubants, high osmolar conditions and temperature had no major effect on the expression of the btuB gene. |
| Links | |
| Keywords |
Escherichia coli/enzymology; Escherichia coli/genetics; Gene Expression Regulation; Genes, Bacterial; Operon; Vitamin B 12/genetics; beta-Galactosidase/metabolism |
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