Difference between revisions of "PMID:7028117"

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[[Category:Publication]] [[Category:Papers referenced in the LaRossa chapter]] [[Category:LaRossa citations that need review]]

Latest revision as of 17:20, 29 March 2012

Citation

Slater, AC, Jones-Mortimer, MC and Kornberg, HL (1981) L-Sorbose phosphorylation in Escherichia coli K-12.Biochim. Biophys. Acta 646:365-7

Abstract

L-Sorbose is phosphorylated by Escherichia coli by two distinct Enzymes II of the phosphoenolpyruvate-dependent phosphotransferase system. The glucose Enzyme II (specified by the gene ptsG) phosphorylates L-sorbose with an apparent Km of 0.08 +/- 0.03 mM and V of 31.8 +/- 3.5 nmol . mg-1 . min-1 whilst the fructose Enzyme II (specified by the gene ptsF) phosphorylates it with an apparent Km of 28.9 +/- 2.7 mM and V of 20.2 +/- 0.8 nmol . mg-1 . min-1. L-Sorbose induces neither of these Enzymes II, but sorbose inhibits the growth of strains expressing either of these functions constitutively. Mutants that have lost their sensitivity to L-sorbose are found to have lost either the glucose or the fructose phosphotransferase Enzyme II.U

Links

PubMed

Keywords

Escherichia coli; Genotype; Kinetics; Phenotype; Phosphoenolpyruvate Sugar Phosphotransferase System; Phosphotransferases (Nitrogenous Group Acceptor); Sorbose; Species Specificity

Main Points of the Paper

Please summarize the main points of the paper.

Materials and Methods Used

Please list the materials and methods used in this paper (strains, plasmids, antibodies, etc).

Phenotype Annotations

See Help:AnnotationTable for details on how to edit this table.
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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

a mutation or genetic difference within a strain

  • Taxon: Escherichia coli
  • Strain: K-12
  • Substrain: AS 1
  • NCBI Taxon ID: 83333
  • Genotype of Reference Strain: ptsF
  • Genotype of Experimental Strain : ptsF -
  • Reference Condition:

ECO:0000182

in vitro culture assay data

Resistant to sorbose, table 1

a mutation or genetic difference within a strain

  • Taxon: Escherichia coli
  • Strain: K-12
  • Substrain: HK737
  • NCBI Taxon ID: 83333
  • Genotype of Reference Strain: ptsG
  • Genotype of Experimental Strain : ptsG -
  • Reference Condition:

ECO:0000182

in vitro culture assay data

Mutant is resistant to sorbose, table 1


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Notes

Needs OMP term that does not exist yet.

References

See Help:References for how to manage references in omp dev.