PMID:7012547

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Citation

Antón, DN (1981) envB mutations confer UV-sensitivity to Salmonella typhimurium and UV-resistance to Escherichia coli.Mol. Gen. Genet. 181:150-2

Abstract

An envB mutation isolated in Salmonella typhimurium LT2 was transferred by conjugation to Escherichia coli K-12. The mutation produced the same alterations in E. coli as in S. typhimurium concerning cell shape, sensitivity to drugs, autolysis, and fermentation of carbohydrates. However, although the mutation conferred sensitivity to UV irradiation in Salmonella, in E. coli it behaved as a genuine envB mutation producing resistance to UV inactivation. The fact that the mutation produced opposite effects in the survival of UV-irradiated S. typhimurium and E. coli discloses an intriguing difference between these closely related species.

Links

PubMed

Keywords

Conjugation, Genetic; DNA Repair; Escherichia coli; Genes; Mutation; Salmonella typhimurium; Species Specificity; Ultraviolet Rays

Main Points of the Paper

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Materials and Methods Used

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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

a mutation or genetic difference within a strain

  • Taxon: Escherichia coli
  • Strain: K-12
  • Substrain: DA538
  • NCBI Taxon ID: 83333
  • Genotype of Reference Strain: envB
  • Genotype of Experimental Strain : envB4
  • Reference Condition:

Increase resistance to UV grown in tryptone-yeast extract (YT).


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Notes

ECOID: Liquid broth culture (in vivo) term has been requested.


OMPID: UV resistance term has been requested.

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