TABLE 1.
Strains used in this study
| Strain | Ribotypea | gadD1T1 PCRb | gtcA PCRc | Serotyped | Source or referencee |
|---|---|---|---|---|---|
| LO28 | ND | + | − | 1/2c | Clinical |
| LO28ΔgadD1 | − | 8 (LO28ΔgadA) | |||
| LO28ΔgadD2 | + | 8 (LO28ΔgadB) | |||
| LO28ΔgadT2 | + | 8 (LO28ΔgadC) | |||
| LO28ΔgadD1D2 | − | 8 (LO28ΔgadAB) | |||
| LO28ΔgadD1T2 | − | This study | |||
| LO28ΔgadD2T2 | + | This study | |||
| LO28ΔgadD1D2T2 | − | This study | |||
| LO28ΔgadT1 | + | This study | |||
| LO28ΔgadD1T1 | − | This study | |||
| LO28ΔgadD2T1 | + | This study | |||
| LO28ΔgadT1T2 | + | This study | |||
| LO28ΔgadD1D2T1 | − | This study | |||
| LO28ΔgadD1T1T2 | − | This study | |||
| LO28ΔgadD2T1T2 | + | This study | |||
| LO28ΔgadD1D2T1T2 | − | This study | |||
| NCTC7973 | ND | + | − | 1/2a | Clinical |
| Mackaness | ND | + | − | 1/2a | Clinical |
| DPC 4594 | ND | + | − | 1/2c | ATCC 15313* (rabbit) |
| DPC 4605 | ND | + | − | 3c | SLCC 2479* (unknown) |
| DPC 4608 | ND | + | − | 1/2b | SLCC 1694* (unknown) |
| DPC 4604 | ND | + | − | 3b | Unknown* |
| ScottA | ND | − | + | 4b | Clinical |
| F5817 | ND | − | + | 4b | Clinical |
| ATCC 19118(DPC 4591) | ND | − | + | 4c | ATCC 19118T (chicken) |
| ATCC 19117(DPC 4593) | ND | − | + | 4d | ATCC 19117* (sheep) |
| 147 | 1-916-1 C | − | + | 4 (A) | Dairy enrichment** |
| 168 | 1-916-1 C | − | − | 1/2 (AS) | Aborted calf fetus** |
| 246 | 1-919-3 C | − | + | 4 (A) | Silage |
| 878 | 1-916-1 C | − | + | 4 (A) | Clinical** |
| 1038 | 1-907-1 C | + | − | Non-4 (A) | Pork sausage** |
| 1061 | 1-923-1 C | + | − | Non-4 (A) | Pork sausage** |
| 1059 | 1-907-1 C | − | − | 1/2 (AS) | Pork sausage** |
| 1078 | 1-916-1 C | − | − | 1/2 (AS) | Chicken** |
| 1198 | 1-923-1 C | + | − | Non-4 (A) | Turkey ground** |
| 1742 | 1-923-1 C | + | − | Non-4 (A) | Pork sausage** |
| 2088 | 1-916-1 C | − | − | 1/2 (AS) | Mercier clinical** |
| 83 | 1-907-5 NC | − | + | 4 (A) | Silage** |
| 241 | 1-909-2 NC | − | − | 3 (AS) | Silage** |
| 243 | 5-418-3 NC | − | − | 1/2 (A) | Silage** |
| 748 | 2-862-3 NC | + | − | Non-4 (A) | Ground beef** |
| 749 | 5-418-4 NC | + | − | Non-4 (A) | Ground beef** |
| 1028 | 5-413-2 NC | + | − | Non-4 (A) | Pork sausage** |
| 1032 | 5-408-1 NC | + | − | Non-4 (A) | Pork sausage** |
| 1066 | 5-413-5 NC | + | − | Non-4 (A) | Pork sausage** |
| 1121 | 5-408-1 NC | + | − | Non-4 (A) | Ground beef** |
| 1191 | 1-915-7 NC | + | − | Non-4 (A) | Ground turkey** |
| 1205 | 1-919-2 NC | + | − | Non-4 (A) | Ground turkey** |
| 1223 | 2-864-7 NC | + | − | Non-4 (A) | Pork sausage** |
| 1520 | 1-923-6 NC | + | − | Non-4 (A) | Ground turkey** |
| 30 | 1-910-6 O | + | − | Non-4 (A) | Brie** |
| 104 | 1-916-7 O | − | + | 4 (A) | Milk** |
| 169 | 1-910-3 O | − | − | 1/2 (AS) | Mercier clinical** |
| 179 | 1-907-5 O | − | + | 4 (A) | Dead cow brain** |
a
ND, not determined; C, clinical ribotype; NC, nonclinical ribotype; O, other.
b
Results of gadD1 and gadT1 PCRs.
c
The gene is present only in type 4 strains.
d
A, serotype determined by agglutination assay; S, serotype analysis by the Public Health Laboratory Service (PHLS).
e
In addition to the original source of the strains, the laboratory to which they were sent is indicated (*Teagasc, Moorepark; **Catherine Donnelly).