Volume 10, Number 8—August 2004
Dispatch
Human Escherichia coli O157:H7 Genetic Marker in Isolates of Bovine Origin
Jeffrey T. LeJeune*
, Stephen T. Abedon*, Kaori Takemura*, Nicholas P. Christie*, and Srinand Sreevatsan*
, Stephen T. Abedon*, Kaori Takemura*, Nicholas P. Christie*, and Srinand Sreevatsan*Table 1
Distribution of polymerase chain reaction results from bovine Escherichia coli O157 isolates based on geographic origina
| Country of origin |
No. tested |
Q allele |
||
|---|---|---|---|---|
| 933 |
21 |
Both |
||
| N (%) | N (%) | N (%) | ||
| USA |
46 |
20 (44) |
25 (54) |
1 (2) |
| Scotland |
8 |
– (0) |
2 (25) |
6 (75) |
| Australia |
7 |
– (0) |
7 (100) |
– (0) |
| Japan |
17 |
3 (18) |
14 (82) |
– (0) |
| Total | 78 | 23 (29) | 48 (62) | 7 (9) |
a–, not detected. Percentages are read across rows, not down columns. Significant difference in proportion of Q alleles isolated from different countries (p < 0.05, chi-square test for homogeneity).
