TABLE 1.

Secondary β-lactamases detected in the collected P. aeruginosa isolates

Secondary β-lactamase(s)aNo. of isolates
None110
TEM-25
PSE-14
OXA-193
OXA-563
OXA-102
OXA-92
SHV-2a2
PSE-1, OXA-101
OXA-19, OXA-21
OXA-281
PER-11
VEB-1a, OXA-101
VIM-21
IMP-181
OXA-30, PSE-1, VIM-2, PER-11
OXA-10, PSE-1, VIM-2, PER-11
  • a Secondary β-lactamases with an extended spectrum are shown in boldface type. In a given strain, the β-lactamases are ordered according to decreasing pI.