TABLE 3.
Prevalences of different antibiotic resistance genes in NDM-1-producing organisms obtained from wastewater samples in Dhaka
NDM-1-producing bacterial species (no. of isolates) | % isolates positive for antibiotic resistance gene |
|||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
blaTEM | blaSHV | blaCTX-M conserved group | blaCTX-M-15 | blaCMY-2 | blaOXA-48 | blaOXA-1 | blaOXA-47 |
qnr genes |
rmtB | rmtC | armA | |||
qnrA | qnrB | qnrS | ||||||||||||
E. coli (30) | 87 | 3 | 90 | 73 | 43 | 3 | 53 | 60 | 0 | 13 | 3 | 23 | 3 | 37 |
K. pneumoniae (46) | 85 | 61 | 93 | 74 | 2 | 0 | 65 | 74 | 0 | 24 | 41 | 4 | 0 | 46 |
Acinetobacter spp. (3) | 67 | 33 | 67 | 67 | 0 | 0 | 33 | 33 | 0 | 0 | 67 | 0 | 0 | 67 |
A baumannii (8) | 25 | 13 | 25 | 25 | 0 | 0 | 25 | 25 | 0 | 13 | 0 | 0 | 0 | 0 |
A pittii (4) | 50 | 0 | 50 | 0 | 0 | 0 | 50 | 50 | 0 | 25 | 25 | 0 | 0 | 0 |
A baylyi (1) | 100 | 100 | 100 | 100 | 0 | 0 | 100 | 100 | 0 | 0 | 0 | 0 | 0 | 0 |
E. asburiae (1) | 100 | 0 | 100 | 100 | 0 | 0 | 100 | 100 | 0 | 100 | 0 | 0 | 0 | 100 |
E. cloacae (2) | 100 | 0 | 50 | 50 | 0 | 0 | 50 | 50 | 0 | 50 | 0 | 0 | 0 | 50 |
E aerogenes (6) | 33 | 50 | 50 | 17 | 0 | 0 | 33 | 33 | 0 | 0 | 0 | 0 | 0 | 83 |
C. freundii (2) | 100 | 0 | 100 | 100 | 100 | 50 | 0 | 50 | 0 | 50 | 0 | 0 | 0 | 0 |
P. rettgeri (1) | 100 | 0 | 0 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 100 |
Total (104) | 77 | 34 | 81 | 63 | 16 | 2 | 54 | 61 | 0 | 19 | 22 | 9 | 1 | 40 |