Table 4. Comparison of the frequencies of acquired resistance genes in ESBL-E. coli isolates from urine strains versus isolates from recreational water and wastewater.
Resistance determinant | Urine N = 94 | Recreational water N = 82 | p | Wastewater N = 91 | p | |||
---|---|---|---|---|---|---|---|---|
N | % | N | % | N | % | |||
ESBL1 but no blaCTX-M genes | 5 | 5 | 2 | 2 | 0.34 | 8 | 9 | 0.36 |
Sulphonamide2 | 74 | 78 | 53 | 65 | 0.06 | 62 | 68 | 0.15 |
Trimethoprim3 | 69 | 73 | 39 | 48 | 0.001 | 60 | 66 | 0.36 |
Tetracycline4 | 69 | 73 | 54 | 66 | 0.35 | 60 | 66 | 0.35 |
Aminoglycoside5 | 62 | 65 | 55 | 67 | 0.08 | 71 | 78 | 0.91 |
Macrolide6 | 55 | 58 | 27 | 33 | 0.001 | 36 | 40 | 0.02 |
Phenicol7 | 39 | 41 | 14 | 17 | 0.001 | 34 | 35 | 0.67 |
Fluoroquinolone/aminoglycoside8 | 28 | 29 | 6 | 7 | 0.001 | 18 | 20 | 0.16 |
Fluoroquinolone9 | 2 | 2 | 3 | 4 | 0.55 | 9 | 10 | 0.04 |
Colistin10 | 0 | 0 | 2 | 2 | 1 | 0 | 0 | - |
1blaSHV, blaCMY
2sul-1, sul-1-like, sul-2, sul-2-like, sul-3
3dfrA1, dfrA5, dfrA7, dfrA12, dfr14-like, dfr17
4tet(A), tet(A)-like, tet(B)
5strA, strA-like, strB, strB-like, aadA1, aadA1-like, aadA2, aadA2-like, aadA12, aadA5c, aadA24-like, addB, aac(3)lla, aac(3)lla-like, acc(3)lld-like, aph(3’)-la, aph(3’)-la-like, aph(3’)-lc, aph(3’)-lc-like, aph(6)-lc-like
6erm(B)-like, mph(A), mph(A)-like
7catA1-like, catB3-like, cmlA1-like, floR-like
8aac(6’)lb-cr, aac(6’)lb-cr-like
9QnrB19, QnrS1, QnrS1-like
10mcr-1