Table 4. Composition of antimicrobial resistance genes according to sequence types.
| Gene | Sequence types | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ST191 (n = 59) | ST357 (n = 7) | ST368 (n = 3) | ST208/ST1806 (n = 5) | ST552 (n = 1) | ST858 (n = 1) | ST369 (n = 3) | ST784 (n = 1) | ST191/ST784 (n = 1) | ST451/ST1809 (n = 11) | ST447 (n = 4) | NA (n = 2) | |
| Aminoglycoside | ||||||||||||
| aac(3)-Ia | 36(61.0) | 0(0) | 3(100) | 0(0.0) | 0(0.0) | 0(0.0) | 1(33.3) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 2(100) |
| aac(6')-Iaf | 0(0.0) | 0(0) | 2(66.7) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) |
| aac(6')-Ib | 57(96.6) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| aac(6')-Ib3 | 57(96.6) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| aadA1 | 58(98.3) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| aadA1b | 29(50.0) | 2(28.6) | 3(100) | 4(80.0) | 0(0.0) | 0(0.0) | 1(33.3) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 0(0.0) |
| ant(3'')-Ia | 57(96.6) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| aph(3')-Ia | 0(0.0) | 3(42.9) | 0(0.0) | 4(80.0) | 0(0.0) | 1(100) | 0(0.0) | 0(0.0) | 0(0.0) | 7(63.6) | 0(0.0) | 0(0.0) |
| aph(3'')-Ib | 0(0.0) | 7(100) | 2(66.7) | 5(100) | 0(0.0) | 1(100) | 3(100) | 0(0.0) | 0(0.0) | 11(100) | 0(0.0) | 0(0.0) |
| aph(6)-Id | 0(0.0) | 7(100) | 2(66.7) | 5(100) | 0(0.0) | 1(100) | 3(100) | 0(0.0) | 0(0.0) | 11(100) | 0(0.0) | 0(0.0) |
| aph(3')-VIb | 0(0.0) | 0(0) | 0(0.0) | 4(80.0) | 0(0.0) | (0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) |
| aph(3')-Vij | 1(1.7) | 0(0) | 0(0.0) | 4(80.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) |
| armA | 56(94.9) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 10(90.9) | 1(25.0) | 2(100) |
| strA | 4(6.8) | 7(100) | 2(66.7) | 5(100) | 0(0.0) | 1(100) | 2(66.7) | 0(0.0) | 0(0.0) | 11(100) | 1(25.0) | 1(50.0) |
| b-lactam | ||||||||||||
| blaADC-25 | 59(100) | 7(100) | 3(100) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 11(100) | 0(0.0) | 2(100) |
| blaOXA-23 | 58(98.3) | 7(100) | 3(100) | 5(100) | 1(100) | 1(100) | 3(100) | 1(100) | 1(100) | 11(100) | 4(100) | 2(100) |
| blaOXA-66 | 59(100) | 7(100) | 3(100) | 5(100) | 0(0.0) | 1(100) | 1(33.3) | 1(100) | 1(100) | 11(100) | 1(25.0) | 2(100) |
| blaOXA-68 | 0(0.0) | 0(0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 3(75.0) | 0(0.0) |
| blaOXA-82 | 0(0.0) | 0(0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 2(66.7) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) |
| blaOXA-120 | 1(1.7) | 0(0) | 0(0.0) | 0(0.0) | 1(100) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) |
| blaPER-1 | 0(0.0) | 0(0) | 0(0.0) | 4(80.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) | 0(0.0) |
| blaTEM-1D | 40(67.8) | 5(71.4) | 3(100) | 3(60) | 0(0.0) | 0(0.0) | 1(33.3) | 0(0.0) | 0(0.0) | 7(63.6) | 0(0.0) | 1(50.0) |
| Macrolide | ||||||||||||
| mph(E) | 50(84.7) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 10(90.9) | 0(0.0) | 1(50.0) |
| msr(E) | 53(89.8) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 10(90.9) | 1(25.0) | 2(100) |
| Sulphonamide | ||||||||||||
| sul1 | 57(96.6) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| sul2 | 0(0.0) | 6(85.7) | 2(66.7) | 5(100) | 0(0.0) | 1(100) | 0(0.0) | 0(0.0) | 0(0.0) | 11(100) | 4(100) | 0(0.0) |
| Chloramphenicol | ||||||||||||
| catB8 | 56(94.9) | 7(100) | 0(0.0) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| Quinolone | ||||||||||||
| aac(6')-Ib-cr | 52(88.1) | 7(100) | 1(33.3) | 5(100) | 0(0.0) | 1(100) | 3(100) | 1(100) | 1(100) | 0(0.0) | 1(25.0) | 2(100) |
| Tetracycline | ||||||||||||
| tet(B) | 0(0.0) | 7(100) | 2(66.7) | 1(20) | 0(0.0) | 1(100) | 2(66.7) | 0(0.0) | 0(0.0) | 11(100) | 4(100) | 0(0.0) |
Data are expressed as N (%). Values with statistical significance (p-value<0.05) when compared to groups of the rest are expressed in boldface.
Abbreviation: ST, sequence type; NA, not applicable