Two Pseudomonas aeruginosa urine isolates from Bulgaria and Germany produced two new VIM-2 variants. VIM-15 had one amino acid substitution (Tyr218Phe) which caused a significant increase in hydrolytic efficiency. The substitution Ser54Leu, characterizing VIM-16, showed no influence on enzyme activity. Both genes were part of class I integrons located in the chromosome.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2493107 | PMC |
http://dx.doi.org/10.1128/AAC.00175-08 | DOI Listing |
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