TABLE 4.
Prevalences of virulence phenotypes and gene profiles among Aeromonas species
| Aeromonas species and gene profile | No. of isolates (n = 119) | Beta-hemolysis |
Cytotoxicity |
Presence of virulence gene |
||||||
|---|---|---|---|---|---|---|---|---|---|---|
| % of each species (no. of isolates) | % of each genotype (no. of isolates) | % of each species (no. of isolates) | % of each genotype (no. of isolates) | Nuclease | Aerolysin | GCAT | Serine protease | Lipase | ||
| A. allosaccharophila | 2 | 0 (0) | 0 (0) | |||||||
| Gene profile 1 | 2 | 0 (0) | 0 (0) | − | − | − | + | − | ||
| A. bestiarum | 2 | 0 (0) | 0 (0) | |||||||
| Gene profile 1 | 2 | 0 (0) | 0 (0) | + | + | + | − | + | ||
| A. hydrophila | 26 | 100 (26) | 92 (24) | |||||||
| Gene profile 1 | 23 | 100 (23) | 88 (21) | + | + | − | + | + | ||
| Gene profile 2 | 2 | 100 (2) | 100 (2) | + | + | − | + | − | ||
| Gene profile 3 | 1 | 100 (1) | 100 (1) | − | + | − | + | − | ||
| A. jandaei | 2 | 50 (1) | 0 (0) | |||||||
| Gene profile 1 | 1 | 100 (1) | 0 (0) | − | + | − | + | − | ||
| Gene profile 2 | 1 | 0 (0) | 0 (0) | − | − | − | − | − | ||
| A. sobria | 4 | 0 (0) | 0 (0) | |||||||
| Gene profile 1 | 2 | 0 (0) | 0 (0) | + | + | − | − | − | ||
| Gene profile 2 | 1 | 0 (0) | 0 (0) | − | + | − | − | − | ||
| Gene profile 3 | 1 | 0 (0) | 0 (0) | − | − | − | − | − | ||
| A. veronii | 83 | 73 (61) | 63 (52) | |||||||
| Gene profile 1 | 1 | 0 (0) | 0 (0) | + | + | + | + | + | ||
| Gene profile 2 | 2 | 100 (2) | 100 (2) | − | + | − | + | + | ||
| Gene profile 3 | 61 | 84 (51) | 74 (45) | − | + | − | + | − | ||
| Gene profile 4 | 8 | 38 (3) | 25 (2) | − | + | − | − | − | ||
| Gene profile 5 | 3 | 100 (3) | 67 (2) | − | − | − | + | − | ||
| Gene profile 6 | 8 | 25 (2) | 0 (0) | − | − | − | − | − | ||