PMID:3029032
| Citation |
Gardel, C, Benson, S, Hunt, J, Michaelis, S and Beckwith, J (1987) secD, a new gene involved in protein export in Escherichia coli. J. Bacteriol. 169:1286-90 |
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| Abstract |
New mutants of Escherichia coli altered in protein export were identified in phoA-lacZ and lamB-lacZ gene fusion strains by searching for mutants that showed an altered lactose phenotype. Several mutations mapped in a new gene, secD. These mutants were, in general, cold sensitive for growth, and the mutations led to an accumulation of precursor of exported proteins. The secD gene is closely linked to tsx on the E. coli chromosome, but separable from another gene proposed to be involved in export, ssaD, which maps nearby. A plasmid carrying secD+ was identified and used to show that the mutations are recessive. The secD gene may code for a component of the cellular export machinery. |
| Links | |
| Keywords |
Bacterial Proteins/genetics; Bacterial Proteins/metabolism; DNA Restriction Enzymes; Escherichia coli/genetics; Escherichia coli/metabolism; Genes; Genes, Bacterial; Genetic Linkage; Genotype; Mutation |
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