Table 4 Prevalence [n, (%)] of the virulence factors in different Enterococcus species isolated from racing pigeons
Enterococcus spp. | No. of isolates | Genes encoding virulence factors | ||||||
|---|---|---|---|---|---|---|---|---|
asa1 (aggregation substance) | gelE (gelatinase) | hyl (hyaluronidase) | efaA (endocarditis antigen) | ace (collagen-binding protein) | esp (enterococcal surface protein) | cylA (cytolysin) | ||
E. columbae | 50 | 18 (36%) | 21 (42%) | 0 (0%) | 12 (24%) | 14 (28%) | 2 (4%) | 9 (18%) |
E. hirae | 30 | 8 (26.7%) | 8 (26.7%) | 0 (0%) | 7 (23.3%) | 7 (23.3%) | 4 (13.3%) | 9 (30%) |
E. faecium | 17 | 8 (47.1%) | 7 (41.2%) | 0 (0%) | 4 (23.5%) | 4 (23.5%) | 2 (11.8%) | 4 (23.5%) |
E. faecalis | 17 | 13 (76.5%) | 13 (76.5%) | 0 (0%) | 16 (94.1%)*↑ | 13 (76.5%)*↑ | 2 (11.8%) | 10 (58.8%) |
E. gallinarum | 13 | 7 (53.9%) | 6 (46.2%) | 0 (0%) | 3 (23.1%) | 3 (23.1%) | 2 (15.4%) | 3 (23.1%) |
E. mundtii | 7 | 3 (42.9%) | 2 (28.6%) | 0 (0%) | 0 (0%) | 0 (0%) | 0 (0%) | 1 (14.3%) |
E. casseliflavus | 5 | 2 (40%) | 3 (60%) | 0 (0%) | 1 (20%) | 1 (20%) | 1 (20%) | 2 (40%) |
E. cecorum | 3 | 1 (33.3%) | 2 (66.7%) | 0 (0%) | 0 (0%) | 1 (33.3%) | 0 (0%) | 1 (33.3%) |
E. durans | 3 | 1 (33.3%) | 1 (33.3%) | 0 (0%) | 1 (33.3%) | 1 (33.3%) | 0 (0%) | 1 (33.3%) |
Total | 145 | 61 (42.1%) | 63 (43.5%) | 0 (0%) | 44 (30.3%) | 44 (30.3%) | 13 (9%) | 40 (27.6%) |