Table 4.
The prevalence of virulence-associated genes in K. pneumoniae isolates from different clinical materials.
| Genes | Source of isolation | ||||||
|---|---|---|---|---|---|---|---|
| Urine n = 39 (%) | Blood n = 22 (%) | Respiratory tract n = 16 (%) | Anus n = 17 (%) | Wound n = 13 (%) | Other n = 2 (%) | Total n = 109 (%) | |
| Adhesins | |||||||
| fimH | 35 (89.7) | 19 (86.4) | 15 (93.7) | 17 (100) | 12 (92.3) | 2 (100) | 100 (91.7) |
| mrkD | 35 (89.7) | 22 (100) | 16 (100) | 17 (100) | 13 (100) | 2 (100) | 105 (96.3) |
| Salmochelin | |||||||
| iroD | 4 (10.2) | 0 | 3 (18.7) | 0 | 3 (23.0) | 0 | 10 (9.2) |
| iroN | 1 (2.6) | 2. (9.1) | 3 (18.7) | 0 | 2 (15.4) | 0 | 8 (7.3) |
| Colibactin | |||||||
| clbA | 1 (2.6) | 0 | 0 | 0 | 0 | 0 | 1 (0.9) |
| clbB | 1 (2.6) | 0 | 0 | 0 | 0 | 0 | 1 (0.9) |
| Enterobactin | |||||||
| entB | 39 (100) | 22 (100) | 16 (100) | 17 (100) | 13 (100) | 2 (100) | 109 (100) |
| Yersiniabactin | |||||||
| irp-1 | 36 (92.3) | 19 (86.3) | 14 (87.5) | 17 (100) | 9 (69.2) | 1 (50) | 96 (88.0) |
| Iron uptake system | |||||||
| kfu | 5 (12.8) | 1 (4.5) | 1 (6.25) | 0 | 0 | 0 | 7 (6.4) |
| Capsular fucose synthesis | |||||||
| wcaG | 5 (12.8) | 3 (13.6) | 1 (6.2) | 1 (5.9) | 2 (15.4) | 0 | 12 (11.0) |
| Regulator of mucoid phenotype A | |||||||
| rmpA | 2 (5.1) | 3 (13.6) | 0 | 0 | 2 (15.4) | 0 | 7 (6.4) |
| Capsular types (K) | |||||||
| K1 | 9 (23.0) | 4 (18.2) | 4 (25.0) | 0 | 3 (23.0) | 1 (50) | 21 (19.2) |
| K2 | 6 (15.4) | 6 (27.3) | 8 (50.0) | 2 (11.7) | 3 (23.0) | 0 | 25 (22.9) |
| K5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| K20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| K54 | 2 (3.7) | 0 | 0 | 0 | 2 (9.0) | 0 | 4 (3.7) |
| K57 | 13 (33.3) | 5 (22.7) | 2 (12.5) | 15 (88.3) | 4 (30.7) | 1 (50) | 40 (36.7) |