Table 1.
Isolation of the first pAmpC-BLs (modified by Jacoby, 2009) [3].
| pAMPC-BL Enzyme | Country of Discovery | Year of Isolation | First Species in Which It Was Isolated | Chromosomal Origin Species | % Similarity (with Respect to the Chromosomal Gene) |
|---|---|---|---|---|---|
| CMY-1 | South Korea | 1989 | K. pneumoniae | A. hydrophila | 82 |
| CMY-2 | Greece | 1996 | K. pneumoniae | C. freundii | 96 |
| MIR-1 | USA | 1990 | K. pneumoniae | E. cloacae | 99 |
| MOX-1 | Japan | 1993 | K. pneumoniae | A. hydrophila | 80 |
| LAT-1 | Greece | 1993 | K. pneumoniae | C. freundii | 95 |
| FOX-1 | Argentina | 1994 | K. pneumoniae | A. caviae | 99 |
| DHA-1 | Saudi Arabia | 1997 | S. enteriditis | M. morganii | 99 |
| ACT-1 | USA | 1997 | K. pneumoniae | E. asburiae | 98 |
| ACC-1 | Germany | 1999 | K. pneumoniae | H. alvei | 99 |
| CFE-1 | Japan | 2004 | E. coli | C. freundii | 99 |
pAmpC-BL: plasmid AmpC beta-lactamases.