|
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
|
-
|
- *Fisher’s exact test with Bonferroni correction.
- **not statistically significant.
- ***producers of one bacteriocin type.
- ****producers of two bacteriocin types.
- *****producers of three and more bacteriocin types.
