Table 2 Different gene cassette amplicon and numbers of isolates containing the gene cassette among 121 bovine milk associated S. aureus
Cassette types | Amplicon size (bp) | Resistance gene (s) | No. of isolates (%) |
|---|---|---|---|
A | 781 | aadA1 | 31 (25.6) |
B | 1048 | aadA5 | 3 (2.5) |
C | 1360 | dhfrV | 4 (3.3) |
aadA4 | |||
D | 1586 | dfrA1 | 54 (44.6) |
aadA1 | |||
E | 1608 | hypothetical protein (orfX1) | 3 (2.5) |
aadA24 | |||
F | 1648 | aacA4 | 4 (3.3) |
aadA1 | |||
G | 1913 | dfrA12 | 33 (27.3) |
hypothetical protein (orfX2) | |||
aadA2 | |||
H | 153 | – | 71 (58.7) |
I | 874 | qacH | 2 (1.65) |
J | 3149 | aadB | 18 (14.9) |
aadA1 | |||
cmlA6 | |||
K | 1009 | aadA2 | 38 (31.4) |