TABLE 2.
Detection and identification of qnr-carrying bacterial hosts from enterobacterial pools yielding qnr-positive metagenomes
| Enterobacterial pool (no. of samples) | No. (%) of samples in which qnr hosts were identified | No (%) of qnr bacterial hosts
|
||
|---|---|---|---|---|
| E. coli | K. pneumoniae | Othersa | ||
| qnrB positive | ||||
| PCR and dot blot positive (35) | 32 (91) | 22 (69) | 5 (16) | 5 (16) |
| PCR positive only (7) | 4 (57) | 4 (100) | ||
| Total (42) | 36 (86) | 26 (72) | 5 (14) | 5 (14) |
| qnrS-positive | ||||
| PCR and dot blot positive (12) | 10 (83) | 3 (30) | 7 (70) | |
| PCR positive only (10) | 4 (40) | 1 (25) | 1 (25) | 2 (50) |
| Total (22) | 14 (64) | 4 (29) | 8 (57) | 2 (14) |
a
qnrB was detected in E. cloacae (n = 2), K. oxytoca (n = 1), C. freundii (n = 1), and E. hermannii (n = 1). qnrS was detected in K. oxytoca (n = 2).