Abstract
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.
- acid
- aeruginosa,
- amino
- analysis,
- bacterial
- bulgaria,
- catalysis,
- data,
- germany,
- hydrolysis,
- isoenzymes,
- kinetics,
- microbial
- molecular
- proteins,
- pseudomonas
- sensitivity
- sequence
- substitution,
- tests,
- {beta-lactamases,}
- {dna}
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