Tn 5 carries a streptomycin resistance determinant downstream from the kanamycin resistance gene

Peter Putnoky, G. Kiss, Istvan Ott, Adam Kondorosi

Research output: Article

45 Citations (Scopus)

Abstract

In Rhizobium meliloti, Tn 5 conferred resistance not only to kanamycin but to streptomycin, as well, in Escherichia coli, however only to kanamycin. Using in vitro recombinant DNA techniques, it was shown that the streptomycin resistance determinant was located downstream from the kanamycin resistance gene in the unique central region of Tn 5. Expression of various cloned fragments of Tn 5 suggested that both kanamycin and streptomycin resistance genes were transcribed from the same promoter. E. coli mutants allowing the expression of streptomycin resistance from Tn 5 were isolated. The differential expression of the streptomycin resistance gene provides a simple selection/counterselection criterion, using only streptomycin in transfer expriments of Tn 5 between E. coli and R. meliloti.

Original languageEnglish
Pages (from-to)288-294
Number of pages7
JournalMGG Molecular & General Genetics
Volume191
Issue number2
DOIs
Publication statusPublished - aug. 1983

Fingerprint

Kanamycin Resistance
Streptomycin
Genes
Sinorhizobium meliloti
Kanamycin
Escherichia coli
Recombinant DNA
Patient Selection

ASJC Scopus subject areas

  • Genetics

Cite this

Tn 5 carries a streptomycin resistance determinant downstream from the kanamycin resistance gene. / Putnoky, Peter; Kiss, G.; Ott, Istvan; Kondorosi, Adam.

In: MGG Molecular & General Genetics, Vol. 191, No. 2, 08.1983, p. 288-294.

Research output: Article

Putnoky, Peter ; Kiss, G. ; Ott, Istvan ; Kondorosi, Adam. / Tn 5 carries a streptomycin resistance determinant downstream from the kanamycin resistance gene. In: MGG Molecular & General Genetics. 1983 ; Vol. 191, No. 2. pp. 288-294.
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