TABLE 1.
Bacterial strains and cell lines used in this study
| Strain or cell designation | Characteristic or function | Reference |
|---|---|---|
| Strains | ||
| P1/7 | European classical highly virulent strain, isolated from a pig dying from meningitis | 21 |
| 9801 | Virulent strain of serotype 2 isolated from a pig that died with acute septicemia, China, 1998 | 22 |
| CZ130302 | A novel variant serotype Chz of S. suis which caused acute meningitis in piglets, China, 2013 | This study |
| CZ110902 | Serotype Chz, clinical isolate JiangSu province, China, 2011 | This study |
| HN136 | Serotype Chz, clinical isolate HeNan province, China, 2006 | This study |
| AH681 | Serotype Chz, clinical isolate AnHui province, China, 2006 | This study |
| Cells | ||
| HEp-2 | Human laryngeal cancer epithelial cell line, widely used to evaluate the pathogenicity of S. suis isolates | 19 |
| bEnd.3 | Mouse brain microvascular endothelial cell line | This study |