TABLE 1.
Phenotypic and genotypic characteristics of Czech SF STEC O157:H− isolates compared with those of German SF STEC O157:H− strains
| SF STEC O157:H− isolatea | Sorbitol fermentation/β-glucuronidase activityb | Result forc:
|
||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Stx phenotype
|
Stx genotype
|
EHEC Hly production | EHEC hly gene | eaeA gene | ||||||
| Stx1 | Stx2 | Stx2c | stx1 | stx2 | stx2c | |||||
| Czech | ||||||||||
| 221/95 | +/+ | − | + | − | − | + | − | − | + | + |
| 230/95 | +/+ | − | +d | − | − | −d | − | − | + | + |
| Germane | +/+ | − | + | − | − | + | − | − | + | + |
a
All isolates were phage type 88, a new phage type in E. coli serogroup O157.
b
+, positive after 24 h.
c
+, positive; −, negative.
d
The isolate lost Stx2 production before genotyping.