Table I.
Bacterial strains and plasmids used in this study.
| Material | Description | Area (year)-Origin | Status | Source/Ref. |
|---|---|---|---|---|
| Streptococcus suis strains | ||||
| Δsly | In frame deletion of sly in 05ZYH33 | Beijing, China (2011) - Our lab | Mutant | This study |
| 1330 | Sly−89K− | Canada-HPL | Avirulent | (25) |
| 05ZYH33 | Sly+89K+ | Sichuan, China (2005)-HP | Epidemic | This study |
| 98001 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 99001 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 98003 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 98005 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 98012 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 98015 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 98242 | Sly+89K+ | Jiangsu, China (1998)-HP | Epidemic | This study |
| 4 | Sly+89K+ | Sichuan, China (2005)-DP | Epidemic | This study |
| 5 | Sly+89K+ | Sichuan, China (2005)-DP | Epidemic | This study |
| SUN | Sly+89K+ | Jiangsu, China (2006)-HP | Epidemic | This study |
| 606 | Sly+89K− | China (1980)-DP | Non-epidemic | This study |
| 607 | Sly+89K− | Japan-DP | Non-epidemic | This study |
| 1940 | Sly+89K− | China (1980)-DP | Non-epidemic | This study |
| 1941 | Sly+89K− | China (1980)-DP | Non-epidemic | This study |
| NJ | Sly+89K− | Jiangsu, China-DP | Non-epidemic | This study |
| 4005 | Sly+89K− | The Netherlands-DP | Non-epidemic | (26) |
| s735 | Sly+89K− | The Netherlands-DP | Non-epidemic | (27) |
| T15 | Sly+89K− | Europe-HPL | Non-epidemic | (28) |
| Plasmids | ||||
| pCR2.1 | na | na | na | Invitrogen™ |
| pSET4s | na | na | na | (29) |
Sly, suilysin; 89K, 89 kb pathogenicity island; HPL, healthy piglets; HP, human patients; DP, diseased piglets; na, not applicable.