Table 6.
Susceptibility profiles and corresponding antibiotic resistance genes of strains isolated from arable farmland soila
| Strain | TET MIC (μg/ml) | TET resistance gene(s) | STR MIC (μg/ml) | STR resistance gene(s) | E MIC (μg/ml) | E resistance gene(s) | Transposon gene |
|---|---|---|---|---|---|---|---|
| Aeromonas salmonicida S-F9 | ND | ND | 512 | str(A), aad(K), aac | 256 | erm(V), vga, ole(B) | I, RS |
| Brevundimonas vesicularis T-F3 | 196 | tet(B), tet(D), tet(O), tet(T), tet(W) | ND | ND | 256 | erm(C), erm(V), erm(X), msr(A) | I, RE, RS |
| Burkholderia cepacia T-F1 | 32 | tet(O) | ND | ND | 32 | erm(C), erm(X) | ND |
| Chryseomonas meningosepticum S-F6 | ND | ND | 512 | str(A), aac | 256 | erm(V), msr(A) | I |
| Pasteurella multocida T-F4 | 32 | tet(D) | ND | ND | 8 | erm(C), erm(X) | ND |
| Photobacterium damselae S-F7 | ND | ND | 512 | str(A), aac, aad(K) | 48 | msr(A), vga | I, RS |
| Rhizobium radiobacter S-F5 | ND | ND | 512 | str(A) | 16 | ND | ND |
| Rhizobium radiobacter T-F2 | 128 | tet(B), tet(D), tet(M), tet(O), tet(T) | ND | ND | 32 | erm(C), erm(V), erm(X) | I, RE, RS |
| Sphingomonas multivorum S-F8 | ND | ND | 512 | str(A), aad(A) | 48 | erm(C), erm(X) | ND |
a
TET, tetracycline; STR, streptomycin; E, erythromycin; I, Tn916 or Tn1549 integrase; RE, Tn4451 recombinase; RS, Tn5397 resolvase; ND, not detected.