Table 2. Antibiotic resistance pattern, presence of antibiotic resistance genes and plasmid patterns of ESBL-producing E. coli isolated from water samples.
Serial no. | Strain ID | Antibiotic resistance patterna | Presence of ESBL genes | Plasmid pattern (in MDa) |
1 | 4C3 | Amp, Cro, Cfm, Ctx | bla CTX-M-15, qnrS | 36 |
2 | 24C2 | Amp, Cip, Cro, Sxt, NA, Te, Cfm, Ctx, Nor, K, E | bla CTX-M-15, bla OXA-1, bla OXA-47 | 90,3.2,3 |
3 | 24C3 | Amp, Cip, Cro, Sxt, NA, Te, Mel, Atm, Cfm, Ctx, Nor, E, | bla CTX-M-15, bla TEM, | 90 |
4 | 28C2 | Amp, Cip, Cro, Sxt, NA, Te, C, Atm, Caz, Cfm, Ctx, Nor, K, E | bla CTX-M-15, bla TEM, bla OXA-1, bla OXA-47 | 105,90,17,2 |
5 | 88mf2 | Amp, Cro, Mel, Atm, Cfm, Ctx, Tzp | bla CTX-M-15, bla TEM | 105,90 |
6 | 90C1 | Amp, Cip, Cro, NA, C, Atm, Cfm, Ctx, Nor, E | bla CTX-M-15, bla TEM | 62 |
7 | 102C1 | Amp, Cip, Cro, Sxt, NA, Te, Cfm, Ctx, Nor, E | bla CTX-M-9 | 90,8.6,7.4,3.4 |
8 | 112C2 | Amp, Cip, Cro, Sxt, NA, Te, Fox, Atm, Caz, Cfm, Ctx, Nor, E | bla CTX-M-15, bla TEM, bla CMY-2, | 90,35.8,3.1 |
9 | 123C4 | Amp, Cip, Cro, Sxt, NA, Te, C, Mel, Atm, Caz, Cfm, Ctx, Nor, K, E | bla CTX-M-15, bla TEM, bla OXA-1, bla OXA-47 | 140,70 |
10 | 134C1 | Amp, Cro, Cfm, Ctx, E | bla CTX-M-15, qnrS | 140 |
11 | 145C2 | Amp, Cro, Cfm, Ctx, | bla CTX-M-15 | No Plasmid |
12 | 146C2 | Amp, Cro, Cfm, Ctx, E | bla CTX-M-15, qnrS | 100 |
13 | 156C1 | Amp, Cro, Cfm, Ctx, E | bla CTX-M-15, qnrS | 140, 62, 27 |
14 | 169C1 | Amp, Cro, Cfm, Ctx, E | bla CTX-M-15, | 70,2.7 |
15 | 169C3 | Amp, Cro, Sxt, Te, Atm, Cfm, Ctx, E | bla CTX-M-15, bla TEM, qnrS | 62 |
16 | 174TC1 | Amp, Cip, Cro, Sxt, NA, Te, C, Cn, Atm, Cfm, Ctx, Nor, K, E | bla CTX-M-15, bla OXA-1, bla OXA-47 | 105, 2.7,2.1,1.4,1.2 |
17 | 174FC1 | Amp, Cip, Cro, NA, Te, Atm, Caz, Cfm, Ctx, Nor, K, E, Tzp | bla CTX-M-15, bla OXA-1, bla OXA-47 | 140,62 |
18 | 177TC1 | Amp, Cro, Sxt, Te, Atm, Cfm, Ctx, E | bla CTX-M-15 | 62 |
19 | 185C2 | Amp, Cro, Te, Atm, Cfm, Ctx, E | bla CTX-M-15, qnrS | 200,100,35.8 |
20 | 186C2 | Amp, Cip, Cro, Sxt, NA, Te, C, Cn, Atm, Caz, Cfm, Ctx, Nor, K, E, Tzp | bla CTX-M-15, bla TEM, bla OXA-1, bla OXA-47, qnrB | 70 |
21 | 199C5 | Amp, Cip, Cro, NA, Mel, Fox, Atm, Caz, Cfm, Ctx, Nor, E | bla TEM, bla CMY-2, | 62,23,9 |
22 | 200C2 | Amp, Cip, Cro, Sxt, NA, Te, Atm, Caz, Cfm, Ctx, Nor, K, E | bla CTXM-15, bla OXA-1, bla OXA-47, qnrB | No Plasmid |
Amp, Ampicillin; Atm, Aztreonam; C, Cholramphenicol; Caz, Ceftazidime; Cfm, Cefixime; Cip, Ciprofloxacin; Cn, Gentamycin; Cro, Ceftriaxone; Ctx, Cefotaxime; E, Erythromycin; Fox, Cefoxitin; Imp, Imipenem; K, Kanamycin; Mel, Mecillinam; Mem, Meropenem; NA, Nalidixic acid; Nor, Norfloxacin; Sxt, Sulphamethoxazole-trimethoprim; Te, Tetracycline; and Tzp, Piperacillin-Tazobactam; All S, Sensitive to all antibiotics tested in the study.