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. 2012 Jun 15;7(6):e37967. doi: 10.1371/journal.pone.0037967

Table 1. Distribution of antimicrobial resistance genes among ESBL-producing Enterobacter spp.

β-lactamases PMQR determinants
ESBL-producingEnterobacter spp. (n) Inducible AmpC Derepressed AmpC CTX-M-2 CTX-M-3 TEM-1 SHV-12 qnrA * qnrB qnrC qnrS qepA aac(6')-Ib-cr
E. cloacae (18) 1 16 0 7 9 2 2 0 0 7 0 0
E. aerogenes (4) 1 3 2 0 1 0 0 0 0 1 0 0
*

All qnrA were qnrA1.