TABLE 2.
Characterization of discontinuous non-hemolysis-producing B. cereus strains
| Strain | FLAa | PCR detection of HBL geneb:
|
HBL protein(s) in culture supernatantsc | ||
|---|---|---|---|---|---|
| hblA | hblD | hblC | |||
| F3748/75 | + | − | − | − | None |
| 296 | + | − | − | − | None |
| Sme1 | + | − | − | − | None |
| S2-8 | + | + | + | + | B, L2 |
| F1589/77 | + | − | − | − | None |
| D5 | + | − | − | − | None |
| D21 | + | + | + | − | B, L1 |
| D26 | + | + | + | − | B, L1 |
| D31 | + | − | + | − | L1 |
| D33 | + | − | − | − | B, L1 |
| R-6 | + | − | + | + | L1, L2 |
| R-12 | − | + | + | + | None |
| F4429/73 | + | − | − | − | None |
| F4431/73 | + | − | − | − | None |
| F3502/73 | +/− | + | + | + | None |
| F4810/72 | + | − | − | − | None |
| ATCC 33018 | + | − | + | − | L1, L2 |
a
Cell flagellation analyzed by flagellar staining.
b
PCR analysis was performed with two different primer pairs for each gene.
c
Protein bands detected by Western blot analysis using antibodies against B, L1, and L2.