Table 7. Genotypic resistance and virulence genes of V. cholerae isolates (n = 75) of hybrid red tilapia and cultivation water.
| Genotype | Prevalence (%) | |||||
|---|---|---|---|---|---|---|
| Fish carcassrinse (n = 10) | Intestine (n = 23) | Meat (n = 2) | Liver andkidney (n = 6) | Cultivation water (n = 34) | Total (n = 75) | |
| AMR genes | ||||||
| catB | 1 (10.0) | 0 (0) | 0 (0) | 0 (0) | 2 (5.9) | 3 (4.0) |
| qnrS | 1 (10.0) | 0 (0) | 0 (0) | 0 (0) | 2 (5.9) | 3 (4.0) |
| tetA | 1 (10.0) | 0 (0) | 0 (0) | 0 (0) | 2 (5.9) | 3 (4.0) |
| tetB | 0 (0) | 1 (4.3) | 0 (0) | 0 (0) | 2 (5.9) | 3 (4.0) |
| strA | 0 (0) | 1 (4.3) | 0 (0) | 0 (0) | 2 (5.9) | 3 (4.0) |
| sul1 | 1 (10.0) | 0 (0) | 0 (0) | 0 (0) | 8 (23.5) | 9 (12.0) |
| dfrA1 | 1 (10.0) | 0 (0) | 0 (0) | 0 (0) | 2 (5.9) | 3 (4.0) |
| Virulence genes | ||||||
| hlyA | 10 (100.0) | 23 (100.0) | 2 (100.0) | 6 (100.0) | 34 (100.0) | 75 (100.0) |
| ctx | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| tcpA | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Notes.
This table showed only positive isolates. Non-detected genes in V. cholerae were: blaTEM, blaSHV, blaCTX−M, blaNDM,blaPSE, blaOXA, sul2, sul3, qnrA, qnrB, ermB, dfrA12, catA, cmlA, strB, tetD, addA1, addA2, aac(3)IV, aac(6′)-Ib, qepA, floR, mcr-1, mcr-2, mcr-3, mcr-4, mcr-5, int1, int2, int3, and intSXT.