Unexpected Presence of Defective glpR Alleles in Various Strains of Escherichia coli
- 15 February 2001
- journal article
- Published by American Society for Microbiology in Journal of Bacteriology
- Vol. 183 (4) , 1459-61
- https://doi.org/10.1128/jb.183.4.1459-1461.2001
Abstract
Alleles of glpR associated with the same GlpR(-) phenotype produce substitutions in different conserved portions of the glycerol 3-phosphate repressor which are not part of the helix-turn-helix motif. Analysis of the effects on growth and enzyme expression show that glucose repression of glycerol utilization is not dependent on a functional repressor.Keywords
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