Article
Use of a dominant rpsL allele conferring streptomycin dependence for positive and negative selection in Thermus thermophilus.
Applied and environmental microbiology - 1 Aug 2007
Blas-Galindo Emilio, Cava Felipe, López-Viñas Eduardo, Mendieta Jesús, Berenguer José
Abstract excerpt
A spontaneous rpsL mutant of Thermus thermophilus was isolated in a search for new selection markers for this organism. This new allele, named rpsL1, encodes a K47R/K57E double mutant S12 ribosomal protein that confers a streptomycin-dependent (SD) phenotype to T. thermophilus. Models built on the available three-dimensional structures of the 30S ribosomal subunit revealed that the K47R mutation directly affects...
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