Studies withSalmonella typhimurium mutants defective in enzymes of the propionate catabolism |
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| Authors: | Almudena Fernandez-Briera Prof. Amando Garrido-Pertierra |
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| Affiliation: | (1) Department of Biochemistry and Molecular Biology, University of León, León, Spain;(2) Present address: Departmento de Bioquímica, Facultad de Veterinaria, Universidad Complutense, 28040 Madrid, Spain |
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| Abstract: | Salmonella typhimurium LT-2 mutants defective in the propionate degradative pathway were isolated after mutagenesis with ethyl-methane-sulfonate. From the analysis of the mutants it is possible to deduce that the phosphoenolpyruvate synthase and the phosphoenolpyruvate carboxylase act as an anaplerotic sequence essential to the catabolic route of the propionate via acrylate. A genetic locus for the Prp-phenotype maps at approximately 97 min on theS. typhimurium chromosome. |
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