TABLE 1.
ESBL, AmpC, and carbapenemase genes detected in E. coli and K. pneumoniae from fecal and blood samples
| Gene type (no.) | Gene (no.) detected in: |
|||
|---|---|---|---|---|
|
E. coli (n = 244) |
K. pneumoniae (n = 115) |
|||
| Fecal samples (n = 13/145)a | Blood cultures (n = 19/99)b | Fecal samples (n = 0/12) | Blood cultures (n = 17/103)c | |
| ESBLs (43) | n = 8; 5.5% | n = 17; 17.2% | n = 17; 16.5% | |
| blaCTX-M-15 (4) | blaCTX-M-15 (10) | blaCTX-M-15 (9) | ||
| blaCTX-M-14 (3) | blaCTX-M-14 (2) | blaCTX-M-14 (2) | ||
| blaCTX-M-27 (1) | blaCTX-M-27 (2) | blaSHV-28 (5) | ||
| blaSHV-12 (1) | blaCTX-M-32 (1) | blaSHV-2 (1) | ||
| blaSHV-12 (2) | ||||
| AmpCs (11) | n = 5; 3.5% | n = 5; 5.0% | n = 1; 1.0% | |
| blaCMY-2 (5) | blaCMY-2 (4) | blaDHA-1 (1) | ||
| blaDHA-1 (1) | ||||
| Carbapenemases (2) | n = 2; 1.9% | |||
| blaKPC-3 (2) | ||||
| Total genes (56) | 14 | 22 | 0 | 20 |
a
One E. coli strain had blaCTX-M-15 and blaCTX-M-14.
b
Three E. coli strains had blaCTX-M-15 and blaCTX-M-32, blaCTX-M-27 and blaDHA-1, and blaSHV-12 and blaCMY-2.
c
One K. pneumoniae strain had blaCTX-M-15 and blaCTX-M-14, and two strains had blaCTX-M-15 and blaSHV-28.