Table 2.
Antibiotic resistance genes and STs of ESBL-producing K. pneumoniae isolates from environmental samples.
| Isolate | Source | Antibiotic resistance genes | MLST |
|---|---|---|---|
| KP1 | RW | ARR-3, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, qnrS1, oqxA, oqxB, qnrB52, fosA, mph(A), sul1, sul2, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaTEM−1B, blaSHV−27, blaCTX−M−14 | ST967 |
| KP2 | RW | ARR-3, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, qnrS1, oqxA, oqxB, qnrB49, fosA, mph(A), sul1, sul2, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaCTX−M−3, blaSHV−28, blaTEM−1B | ST15 |
| KP3 | RW | fosA, qnrS1, oqxA, oqxB, aac(3)-IId, strA, strB, sul1, sul2, dfrA1, tet(A), blaTEM−1B, blaCTX−M−14, blaSHV−1 | ST101 |
| KP4 | RW | ARR-3, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, qnrS1, oqxA, oqxB, fosA, mph(A), sul2, sul1, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaCTX−M−3, blaSHV−1, blaTEM−1B | ST3003 |
| KP5 | RW | fosA, qnrS1, oqxA, oqxB, sul1, dfrA1, tet(A), blaSHV−11, blaCTX−M−14 | ST659 |
| KP6 | RW | ARR-3, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, sul1, sul2, fosA, mph(A), qnrS1, oqxB, oqxA, qnrB49, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaSHV−1, blaCTX−M−14 | ST314 |
| KP7 | PM | ARR-3, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, oqxA, oqxB, qnrS1, qnrB49, fosA, mph(A), sul1, sul2, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaCTX−M−3, blaSHV−26, blaTEM−1B | ST1967 |
| KP8 | PM | ARR-3, fosA, qnrS1, qnrB49, oqxA, oqxB, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, mph(A), sul1, sul2, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaTEM−1B, blaSHV−11, blaCTX−M−3 | New |
| KP9 | S | ARR-3, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, qnrS1, oqxA, oqxB, fosA, mph(A), sul2, sul1, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaCTX−M−3, blaSHV−1, blaTEM−1B | ST999 |
| KP10 | S | fosA, sul1, aac(3)-IId, oqxA, oqxB, qnrS1, dfrA1, tet(A), blaCTX−M−14, blaSHV−82 | ST1738 |
| KP11 | V | ARR-3, fosA, oqxA, oqxB, qnrB49, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, mph(A), sul1, sul2, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaTEM−1B, blaSHV−11, blaCTX−M−3 | New |
| KP12 | V | ARR-3, fosA, oqxA, oqxB, strA, strB, aph(3′)-Ia, aadA16, aac(3)-IId, mph(A), sul2, sul1, dfrA27, tet(A), floR, aac(6′)Ib-cr, blaCTX−M−3, blaSHV−27, blaTEM−1B | ST661 |
| KP13 | RS | ARR-3, fosA, oqxA, oqxB, aph(3′)-Ia, aadA16, mph(A), sul1, dfrA27, tet(D), floR, catA2, aac(6′)Ib-cr, blaSHV−11, blaCTX−M−14 | ST11 |
| KP14 | WW | ARR-3, strB, aadA16, aadA2, aac(3)-IId, aph(3′)-Ia, qnrB6, oqxA, oqxB, fosA, erm(B), sul1, sul2, dfrA27, tet(A), tet(D), floR, aac(6′)Ib-cr, cfr, blaSHV−11, blaTEM−1A, blaCTX−M−104 | ST258 |
The samples were collected from river water (RW), pig manure (PM), soil (S), vegetable (V), river sediment (RS), and wastewater (WW).