TABLE 1.
Occurrence of chuA and the two distinct chuA upstream regions among pathogenic E. coli strains
| Strain | Serotype | Pathogroupa | Hybridization withb:
|
Reference or source | ||
|---|---|---|---|---|---|---|
| Probe-1 (chuA)c | Probe-2 | Probe-3 | ||||
| HB101 | K-12 | − | − | − | 5 | |
| 536 | O6:K15:H31 | UPEC | 12 | + | − | 3 |
| J96 | O4:K6 | UPEC | 12 | + | − | 13 |
| AD110 | O6:K2 | UPEC | 12 | + | − | 39 |
| 764 | O18:K5:H5/11 | UPEC | 12 | + | − | 27 |
| 2980 | O18:K5:H5/11 | UPEC | 12 | + | − | 27 |
| RZ439 | O6:K5 | UPEC | 12 | + | − | 43 |
| RZ441 | O6:K5 | UPEC | 12 | + | − | 43 |
| RS218 | O18:K1:H7 | NBM | 12 | + | − | 33 |
| IHE3034 | O18:K1:H7/9 | NBM | 12 | + | − | 15 |
| IHE3036 | O18:K1:H7/9 | NBM | 12 | + | − | 15 |
| EDL933 | O157:H7 | EHEC | 11 | − | + | 25 |
| 9167/91 | O157:H7 | EHEC | 11 | − | + | 7 |
| 5159/91 | O157:H7 | EHEC | 11 | − | + | 31 |
| 86-24 | O157:H7 | EHEC | 11 | − | + | 8 |
| E32511 | O157:H7 | EHEC | 11 | − | + | 11 |
| 6578/93 | O157:H7 | EHEC | 11 | − | + | 31 |
| SF493/89 | O157:H− | EHEC | 11 | − | + | 14 |
| 3574/92 | O157:H− | EHEC | 11 | − | + | 7 |
| 3978/91 | O157:H− | EHEC | 11 | − | + | 30 |
| 5291/92 | O157:H− | EHEC | 11 | − | + | 30 |
| 2907/97 | O55:H6 | EHEC | 11 | − | + | This study |
| 5720/96 | O26:H− | EHEC | − | − | − | 42 |
| 3697/97 | O26:H− | EHEC | − | − | − | 32 |
| ED147 | O26:H11 | EHEC | − | − | − | 29 |
| 5714/96 | O103:H2 | EHEC | − | − | − | 32 |
| ED142 | O111:H− | EHEC | − | − | − | 29 |
| 78/92 | O111:H− | EHEC | − | − | − | 36 |
| 95004730 | O111:H− | EHEC | − | − | − | RPe |
| E2348/69 | O127:H6 | EPEC | 12 | + | − | 20 |
| 179/2 | O55:H6 | EPEC | 12 | + | − | This study |
| 156A | O55:H7 | EPEC | − | − | − | 4 |
| 182A | O55:H7 | EPEC | 11 | − | + | 4 |
| 37-4 | O55:H− | EPEC | − | − | − | 20 |
| 76-5 | O143:HND | EIEC | 11 | − | + | This study |
| 12860 | O124:HND | EIEC | − | − | − | This study |
| EDL1284 | NDd | EIEC | 11 | − | + | This study |
| C9221a | O6:K15:H16 | ETEC | − | − | − | This study |
| DPA065 | O119:HND | EAggEC | − | − | − | AGf |
| 5477/94 | O86:H7 | EAggEC | − | − | − | This study |
| 7484/94 | O86:H18 | EAggEC | − | − | − | This study |
| DDC4441 | O128:HND | EAggEC | − | − | − | This study |
| 17-2 | O3:H2 | EAggEC | − | − | − | 40 |
| 5464/95 | O3:H2 | EAggEC | − | − | − | This study |
a
Abbreviations: UPEC, uropathogenic E. coli; NBM, newborn meningitis-causing E. coli; ETEC, enterotoxigenic E. coli.
b
The probes used are described in Fig. 3.
c
The numbers indicate the size of the fragments hybridized with the probe (in kilobases) after digestion of chromosomal DNA with BglI.
d
ND, not determined.
e
RP, Robert Pringle (Victoria Infectious Diseases Reference Laboratory).
f
AG, Anna Giammanco (Dipartimento di Igiene e Microbiologia, University of Palermo).