Table 3.
Distribution and genetic characteristics of sequenced E. coli isolates.
| S/No | Isolate ID | Location | Farm Type | Sequence Type | OH Serotype | AMR Genes | Plasmids |
|---|---|---|---|---|---|---|---|
| 1 | L4F65S1 | Petauke | medium-/ small-scale |
ST770 | O25H16 | aph(3″)-Ib, aph(6)-Id, blaCMY-2, floR, sul2, tet(A) | IncFIB(AP001918), IncFII, IncB/O/K/Z, p0111 |
| 2 | L5F6S1 | Mongu | medium-/ small-scale |
ST117 | O45H4 | aadA5, aph(3″)-Ib, aph(6)-Id, blaCTX-M-55, blaTEM, dfrA14, dfrA17, tet(A) | ColpVC, IncFII(pHN7A8), IncI2 |
| 3 | L1F154S9 | Chisamba | Commercial | ST7938 | O32H35 | aac(3)-IIa, aadA5, aph(3″)-Ib, aph(6)-Id, blaCTX-M-14, dfrA17, floR, fosA3, mph(A), OqxB, OqxA, qnrS1, sul1, sul2, tet(A), tet(B) | IncFIB(AP001918), IncFIC(FII), IncFII(pHN7A8) |
| 4 | L1F8S1 | Lusaka | medium-/ small-scale |
ST155 | O154H51 | aph(3ȃ2)-Ia, aph(3″)-Ib, aph(6)-Id, blaCTX-M-14, blaTEM, dfrA7, floR, fosA3, fosA7, sul1, sul2, tet(A) | IncHI2, IncHI2A, p0111 |
| 5 | L1F5S1 | Lusaka | medium-/ small-scale |
ST847 | O108H2 | aph(3″)-Ib, aph(6)-Id, blaTEM, fosA7, qnrS1, sul2, tet(A) | IncFII, IncHI2, IncHI2A, IncN, p0111 |
| 6 | L1F151S5 | Chisamba | Commercial | ST211 | O22H7 | aac(3)-IId, aph(3″)-Ib, aph(6)-Id, blaCMY-2, blaTEM, sul2, tet(A), tet(B) | IncFIB(K), p0111 |
| 7 | L1F151S3 | Chisamba | Commercial | ST770 | O102H51 | blaCMY-2 | IncI1-I(Alpha), IncX4 |
| 8 | L1F152S5 | Chisamba | Commercial | ST770 | O102H51 | aac(3)-Via, aadA1, blaCTX-M-55, blaTEM, fosA3, qnrB19, sul1, sul2 | IncFIB(AP001918), IncFII, IncN |