Difference between revisions of "PMID:4577939"

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(Materials and Methods Used)
(Table edited by Azweifel via TableEdit)
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''lacY<sup>UN</sup>''
 
''lacY<sup>UN</sup>''
 
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inability to grow on lactose in a minimal salts medium
 
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Growth
 
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energy uncoupled mutant
 
energy uncoupled mutant
 
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Other
 
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Revision as of 11:39, 13 December 2010

Citation

Kusch, M and Wilson, TH (1973) Defective lactose utilization by a mutant of Escherichia coli energy-uncoupled for lactose transport. The advantages of active transport versus facilitated diffusion.Biochim. Biophys. Acta 311:109-22

Abstract

No abstract in PubMed

Links

PubMed

Keywords

Biological Transport; Biological Transport, Active; Carbon Isotopes; Cell Division; Densitometry; Diffusion; Disaccharides; Enzyme Induction; Escherichia coli; Galactosidases; Kinetics; Lactose; Mutation; Transduction, Genetic

Main Points of the Paper

Please summarize the main points of the paper.

Materials and Methods Used

  • Parent Strain: X71 (i-z+y+a-, proC-, try-, B1-)
  • Additional Strain: X9003 (i+z-y+a+, B1-)
  • Additional Strain: X71-54 (i-z+yUNa-)- energy uncoupled mutant
  • Additional Strain: 316 (i-z+y-a-)- y- strain
  • β-galactosidase assay
  • α-galactosidase assay
  • Carrier-mediated transport assay
  • thiogalactoside transacetylase activity was determined
  • P1 Transduction

Phenotype Annotations

<protect>

Species Taxon ID Strain Gene (if known) OMP Phenotype Details Evidence Notes

Escherichia coli

NCBI:562

X71-54

lacYUN

inability to grow on lactose in a minimal salts medium

Growth

energy uncoupled mutant

Other

Escherichia coli

NCBI:562

316

lacY-

abolished transporter activity


</protect>

Notes