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PMID:6341362

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Citation

Chang, YY and Cronan, JE Jr (1983) Genetic and biochemical analyses of Escherichia coli strains having a mutation in the structural gene (poxB) for pyruvate oxidase. J. Bacteriol. 154:756-62

Abstract

Mutants of Escherichia coli K-12 deficient in pyruvate oxidase were isolated from an aceEF (pyruvate dehydrogenase-deficient) strain by selection for a complete absence of growth on medium lacking acetate. Extracts of two of the mutants were shown to contain normal levels of pyruvate oxidase antigen, although the enzymatic activities of the extracts were reduced or absent. The poxB locus was mapped by using closely linked transposon insertions to min 18.7 of the E. coli linkage map between the cmlA and aroA loci, a location far removed from that of the regulatory gene, poxA.

Links

PubMed PMC217526

Keywords

Chromosome Mapping; Chromosomes, Bacterial; Escherichia coli/enzymology; Escherichia coli/genetics; Genes; Genes, Bacterial; Genes, Regulator; Genetic Linkage; Mutation; Pyruvate Oxidase/genetics; Pyruvate Oxidase/metabolism

Significance

Annotations

Gene product Qualifier GO Term Evidence Code with/from Aspect Extension Notes Status

ECOLI:POXB

involved_in

GO:0006090: pyruvate metabolic process

ECO:0000315: mutant phenotype evidence used in manual assertion

P

Seeded From UniProt

complete

Notes

See also

References

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