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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

Characterization of clinical isolates of beta-lactamase-negative, highly ampicillin-resistant Enterococcus faecalis.

We analyzed the penicillin-binding protein ( PBP) profiles of two clinical isolates of Enterococcus faecalis for which ampicillin MICs were 32 and 64 micrograms/ml. Six PBPs were detected in both isolates, demonstrating an apparently increased amount of PBP 5 and decreased penicillin binding of PBPs 1 and 6. These results suggest that ampicillin resistance in the clinical isolates of E. faecalis described could be associated with alterations in different PBPs.[1]

References

  1. Characterization of clinical isolates of beta-lactamase-negative, highly ampicillin-resistant Enterococcus faecalis. Cercenado, E., Vicente, M.F., Díaz, M.D., Sánchez-Carrillo, C., Sánchez-Rubiales, M. Antimicrob. Agents Chemother. (1996) [Pubmed]
 
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