Table 2 Occurrence of bacteriocinogeny and bacteriocin types among E. coli strains
Bacteriocinogeny | Pathotype | Statistics* | ||||
|---|---|---|---|---|---|---|
1. Non-pathogenic E. coli | 2. Diarrhea-associated E. coli | 3. ExPEC | 1 x 2 | 1 x 3 | 2 x 3 | |
n = 399 (%) | n = 179 (%) | n = 603 (%) | p | p | p | |
Bacteriocinogenic strains | 130 (32.6) | 66 (36.9) | 445 (73.8) | -** | < 0.01 | < 0.01 |
Bacteriocin types | ||||||
mV | 18 (4.5) | 18 (10.1) | 152 (25.2) | 0.04 | < 0.01 | < 0.01 |
mM | 17 (4.3) | 7 (3.9) | 123 (20.4) | - | < 0.01 | < 0.01 |
mH47 | 28 (7.0) | 14 (7.8) | 165 (27.4) | - | < 0.01 | < 0.01 |
mB17 | 10 (2.5) | 8 (4.5) | 57 (9.5) | - | < 0.01 | - |
Ia | 53 (13.3) | 23 (12.8) | 125 (20.7) | - | < 0.01 | - |
E1 | 19 (4.8) | 15 (8.4) | 94 (15.6) | - | < 0.01 | 0.04 |
S4 | - | - | 11 (1.8) | - | 0.01 | - |
Bacteriocin producer strains | ||||||
Mono-producers*** | 63 (48.5) | 23 (34.8) | 141 (31.7) | - | < 0.01 | - |
Ia | 23 (17.7) | 3 (4.5) | 18 (4.0) | 0.04 | < 0.01 | - |
Double-producers**** | 44 (33.8) | 25 (37.9) | 161 (36.2) | - | - | - |
mH47, mM | 5 (3.8) | 4 (6.1) | 50 (11.2) | - | 0.03 | - |
Multi-producers***** | 21 (16.2) | 15 (22.7) | 139 (31.2) | - | < 0.01 | - |