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The International Space Station (ISS) and the Antarctic Research Station Concordia are confined and isolated habitats in extreme and hostile environments. The human and habitat microflora can alter due to the special environmental conditions resulting in microbial contamination and health risk for the crew. In this study, 29 isolates from the ISS and 55 from the Antarctic Research Station Concordia...
Five Enterococcus italicus strains harbouring tet genes responsible for the tetracycline resistance were subjected to plasmid profile determination studies. For four strains tested the profiles showed between three and six plasmid bands, the size of which ranged between 1.6 and 18.5 kb. Southern hybridization experiments associated tetS and tetK genes with chromosomal DNA in all strains and tetM gene...
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