Table 5.
Serum resistance distribution among different LPS-types of 298Y. enterocoliticaBT 1A strains and 83Y. enterocoliticastrains of other biotypes
| LPS-type | 0 (all dead) | + (0.01-5%) | ++ (5–50%) | +++ (> 50%) |
No. of strains (n = 381) |
|---|---|---|---|---|---|
| A1 (O:41(27)43; O:41, 43)a |
3 |
2 |
2 |
0 |
7 |
| A2 (O:10) d |
6 |
1 |
4 |
1 |
12 |
| A2 (O:10) Gen. group 2 |
1 |
2 |
9 |
1 |
13 |
| A2 (BT 2/O:9)b |
1 |
3 |
1 |
0 |
5 |
| A3 (O:1; O:2; O:3) |
1 |
0 |
0 |
1 |
2 |
| A3 (O:1; O:2; O:3) Gen. group 2 |
1 |
0 |
0 |
0 |
1 |
| A3 (BT 3–4/O:3)b |
1 |
4 |
25 |
46 |
76 |
| B1 (O:13,18; O:25) |
10 |
2 |
3 |
2 |
17 |
| B2 (O:7,8; O:13,7; O:50) c |
70 |
4 |
2 |
1 |
77 |
| B3 (O:14; O:34; O:4,32) |
3 |
1 |
0 |
0 |
4 |
| B4 (O:4; O:8; O:21; O:35,42) |
1 |
0 |
0 |
0 |
1 |
| C1 (O:6; O:6,30; O:6,31)d |
36 |
33 |
35 |
5 |
109 |
| C2 (BT 1A/O:5)b |
6 |
10 |
15 |
14 |
45 |
| D (rough/semi-rough) |
8 |
1 |
0 |
0 |
9 |
| D (rough/semi-rough) Gen. group 2 | 1 | 0 | 2 | 0 | 3 |
The strains belong to biotype 1A and Genetic group 1 unless otherwise indicated.
a The known serotypes with similar LPS structure shown in parenthesis.
b Serotype confirmed with agglutination test.
c Serotype confirmed with O:8 agglutination test for 56 strains.
d This group contains one non-biotypeable Y. enterocolitica strain.