Table 4.
Detection of aer and hlyA genes from Aeromonas spp.
| Isolated Aeromonas | No. of strains (%) | aer(+)/hlyA(+) | aer(+)/hlyA(−) | aer(−)/hlyA(+) | aer(−)/hlyA(−) |
|---|---|---|---|---|---|
| A. hydrophila | 24 (100) | 20 (83.3) | 1 (4.2) | 3 (12.5) | 0 (0) |
| A. hydrophila likea | 5 (100) | 0 (0) | 2 (40.0) | 0 (0) | 3 (60.0) |
| A. caviae | 7 (100) | 0 (0) | 0 (0) | 0 (0) | 7 (100) |
| A. caviae likeb | 10 (100) | 0 (0) | 5 (50.0) | 0 (0) | 5 (50.0) |
| A. eucrenophila | 6 (100) | 0 (0) | 0 (0) | 0 (0) | 6 (100) |
| A. veronii biovar sobria | 30 (100) | 5 (16.7) | 24 (80.0) | 0 (0) | 1 (3.3) |
| A. jandaei | 9 (100) | 0 (0) | 2 (22.2) | 0 (0) | 7 (77.8) |
| A. popoffii | 8 (100) | 0 (0) | 3 (37.5) | 0 (0) | 5 (62.5) |
| Unidentified ADH(+)c | 19 (100) | 7 (36.8) | 6 (31.6) | 0 (0) | 6 (31.6) |
| Unidentified ADH(−)d | 34 (100) | 3 (8.8) | 25 (73.5) | 1 (2.9) | 5 (14.7) |
| Total | 152 (100) | 35 (23.1) | 68 (44.7) | 4 (2.6) | 45 (29.6) |
aThere are difficult isolates that distinguish A. hydrophila from A. bestiarum
bThere are difficult isolates that distinguish A. caviae from A. media
cArginin dehydrolase (ADH) positive
dArginin dehydrolase (ADH) negative