PMID:387722
| Citation |
Wanner, BL, Sarthy, A and Beckwith, J (1979) Escherichia coli pleiotropic mutant that reduces amounts of several periplasmic and outer membrane proteins. J. Bacteriol. 140:229-39 |
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| Abstract |
We have isolated a mutant of Escherichia coli K-12 that is reduced from 6- to 10-fold in the amount of alkaline phosphatase found in the periplasmic space. The reduced synthesis is not due to effects at the level of transcription regulation of the phoA gene, the structural gene for the enzyme. In addition, the mutation (termed perA) responsible for this phenotype results in reduced amounts of possibly six or more other periplasmic proteins and at least three outer membrane proteins. One of the outer membrane proteins affected is protein IA (D. L. Diedrich, A. O. Summers, and C. A. Schnaitman, J. Bacteriol. 131:598-607, 1977). Although other possibilities exist, one explanation for the phenotype of the perA mutation is that it affects the cell's secretory apparatus. |
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| Keywords |
Alkaline Phosphatase/biosynthesis; Bacterial Proteins/biosynthesis; Chromosome Mapping; Chromosomes, Bacterial; Escherichia coli/genetics; Escherichia coli/metabolism; Genes; Membrane Proteins/biosynthesis; Mutation |
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