PMID:353502

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Citation

Thorbjarnardóttir, SH, Magnúsdóttir, RA and Eggertsson, G (1978) Mutations determining generalized resistance to aminoglycoside antibiotics in Escherichia coli.Mol. Gen. Genet. 161:89-98

Abstract

Mutations conferring resistance to low levels of kanamycin in Escherichia coli have been mapped at 3 locations: the unc locus (min. 83), a locus we have designated kanA (MIN. 72), close to strA (rpsL), and a locus at min. 86.5 previously discovered by Plate (1976) that we have designated ecfB. The unc and ecfB mutations are associated with defects in energy metabolism, while mutations at kanA may be in the gene coding for ribosomal protein S12 (rpsL). The three types of mutations cause cross resistance to a number of different aminoglycoside antibiotics and the effects of the mutations are cumulative in combination.

Links

PubMed

Keywords

Ampicillin; Chloramphenicol; Chromosome Mapping; Chromosomes, Bacterial; Dose-Response Relationship, Drug; Escherichia coli; Genes; Kanamycin; Penicillin Resistance; Tetracycline; Transduction, Genetic

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: AB663
  • NCBI Taxon ID: 83333
  • Genotype of Reference Strain: ecfB
  • Genotype of Experimental Strain : ecfB1 kanA10 in strain GE442
  • Reference Condition:

0000276

increased resistance to antimicrobial compound

Resistance to 90 micrograms/ml Kanamycin .


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Notes

ECOID: Term for Solid in vivo assay is awaiting approval and # assignment.

OMP term: Term is up for discussion in meeting awaiting for term request and eventually being assigned in the tree.

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