PMID:390093
| Citation |
Săsărman, A, Chartrand, P, Lavoie, M, Tardif, D, Proschek, R and Lapointe, C (1979) Mapping of a new hem gene in Escherichia coli K12.J. Gen. Microbiol. 113:297-303 |
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| Abstract |
A new type of haem-deficient mutant was isolated in Escherichia coli K12 by neomycin selection. The mutant, designated SASX38, accumulated uroporphyrin, coproporphyrin and protoporphyrin. Since it possessed normal ferrochelatase activity, it was assumed to be deficient in protoporphyrinogen oxidase activity. The gene affected in the mutant was designated hemG. Mapping of the hemG gene by phage P1-mediated transduction showed that it was located very close to the chlB gene (frequency of cotransduction 78.7%), between the metE and rha markers. This location is distinct from the other known hem loci in E. coli K12. |
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| Keywords |
Chromosome Mapping; Escherichia coli; Escherichia coli Proteins; Ferrochelatase; Heme; Mutation; Oxidoreductases; Porphyrins; Protoporphyrinogen Oxidase; Protoporphyrins; Transduction, Genetic |
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Phenotype Annotations
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| Phenotype of | Taxon Information | Genotype Information (if known) | Condition Information | OMP ID | OMP Term Name | ECO ID | ECO Term Name | Notes | Status |
|---|---|---|---|---|---|---|---|---|---|
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