Table 2 Hemolysis and transcription analysis of the non-hemolytic El Tor strains (ST.1H−) in ST.1 group
Strains | Wildtype strains | Strains carrying pBAD33-hlyA | hlyA transcription analysis | ||
|---|---|---|---|---|---|
Hemolysis test | Cytoplasmic hemolysis test | Hemolysis test | Cytoplasmic hemolysis test | ||
VC1627 | – | + | + | ND | 0.024 |
VC1554 | – | + | + | ND | 0.015 |
VC9 | – | + | + | ND | ND |
VC3 | – | + | – | + | 1.284 |
VC136 | – | + | – | + | 1.132 |
VC2177 | – | + | – | + | 5.856 |
VC4835 | – | + | – | + | 2.411 |
VC1301 | – | – | + | ND | 0.228 |
VC4979 | – | – | + | ND | 0.305 |
VC4826 | – | – | + | ND | 0.318 |
VC4983 | – | – | + | ND | ND |
VC4732 | – | – | + | ND | ND |