Mercury resistance (mer) operons in enterobacteria.
Mercury resistance is found in many genera of bacteria. Common amongst enterobacteria are transposons related to Tn21, which is both mercuric ion- and streptomycin-/spectinomycin- and sulphonamide-resistant. Other Tn21-related transposons often have different antibiotic resistances compared with Tn21, but share many non-antibiotic-resistance genes with it. In this article we discuss possible mechanisms for the evolution of Tn21 and related genetic elements.
School of Biosciences, The University of Birmingham, Edgbaston, Birmingham B15 2TT, UK. J.L.Hobman@bham.ac.uk
J L
JL
Hobman
A M M
AM
Essa
N L
NL
Brown
D002874:Chromosome Mapping; D004251:DNA Transposable Elements; D024881:Drug Resistance, Bacterial / Q000235:genetics*; D004755:Enterobacteriaceae / Q000187:drug effects / Q000235:genetics*; D005838:Genotype; D008628:Mercury / Q000494:pharmacology*; D009876:Operon
D004251:DNA Transposable Elements; D008628:Mercury