TABLE 1.
Detection of the 1.6-kb IAM by RAPD fingerprinting and by PCR assay for amplification of the iam locus in invasive and noninvasive Campylobacter isolates
| Strain type (n) | No. (%) of isolates with 1.6-kb IAM
|
|||
|---|---|---|---|---|
| RAPD (primer 1290)a
|
PCR of iam locus (primers 1.6F and 1.6R)b
|
|||
| Positive | Negative | Positive | Negative | |
| Invasive (70) | 44 (63) | 26 (37) | 60 (85) | 10 (14) |
| Noninvasive (49) | 8 (16) | 41 (84) | 10 (20) | 39 (79) |
| Total | 52 | 67 | 70 | 49 |
a
χ2 = 25.15; P = 0.00000053.
b
χ2 = 50.75; P = 0.00000000.