Table 2.
MLST and drug resistance genes in A. baumannii isolates
| MLST | No. of isolatesa | Carbapenemase and ESBL encoding genes | Aminoglycoside-resistance genes |
|---|---|---|---|
| ST2 (CC2) | 17 | bla OXA-66, bla OXA-23 (9/17), bla PER-1 (1/17), bla TEM-1 (16/17) | armA, aac(6’)-Ib-cr (13/17), aac(3)-Ia(1/17), aadA1 (14/17), aph(3’)-Ia (14/17) |
| ST16 | 2 | bla NDM-1, bla OXA-51, bla OXA-58, bla VEB-1, bla TEM-1 (1/2) | armA (1/2), aac(3)-Iid, aadA1, aadB, aph(3’)-Via |
| ST23 | 7 | bla OXA-23 (2/7), bla OXA-68, bla PER-1, bla TEM-1 (1/23) | armA (3/7), aac(6’)-Ib-cr (4/7), aadA1 (3/7), aadB (1/7), aph(3’)-Ia (1/7), aph(3’)-Via (5/7), aph(3’)-Vib (1/7), aphA6 (1/7) |
| ST215 | 7 | bla OXA-23 (4/7), bla OXA-66, bla TEM-1 | armA (6/7), aac(6’)-Ib (1/7), aac(6’)-Ib-cr (5/7), aac(3)-Ia (4/7), aadA1, aph(3’)-Ia (5/7) |
| ST570 (CC2) | 19 | bla OXA-23 (9/19), bla OXA-66, bla TEM-1 (18/19) | armA, aac(6’)-Ib (7/19), aac(6’)-Ib-cr (11/19), aac(3)-Ia, aadA1, aph(3’)-Ia (7/19) |
| ST571 (CC2) | 28 | bla OXA-23 (22/28), bla OXA-66, bla PER-1 (5/28), bla TEM-1 | armA, aac(3)-Iid (4/28), aadA1, aadB (2/28), aph(3’)-Via (1/28), aph(3’)-Vib (4/28) |
| ST575 | 11 | bla OXA-23 (9/11), bla OXA-144, bla PER-1, bla TEM-1 | aadB (5/11), aph(3’)-Via (3/11), aph(3’)-Vib (4/11), aphA6 (4/11) |
| ST577 | 1 | bla OXA-23, bla OXA-66, bla TEM-1 | armA, aac(6’)-Ib, aac(3)-Ia, aadA1 |
| ST578 | 1 | bla OXA-51, bla OXA-58, bla VEB-7 | aac(3)-Ib, aadA1, aph(3’)-Via |
aTotal number of isolates belonging to the same sequence type