Table 1.
Phase variation rates of C. jejuni genes
| Gene (reporter) | Direction of Switching |
|||||
|---|---|---|---|---|---|---|
| on-to-off |
off-to-on |
|||||
| Tracta (n) | Freq.b (×10−3) | Ratec (×10−4) | Tract (n) | Freq. (×10−3) | Rate (×10−4) | |
| cj1139 (lacZ-cat) | G8 (36) | 3.83 | 4.23 {1.0} (3.0–5.7) | G9 (24) | 1.81 | 2.15 {1.0} (1.4–2.8) |
| G11 (13) | 49.45 | 40.54 {9.5} (35.3–64.6) | G10 (17) | 3.39 | 3.67 {1.7} (3.2–4.8) | |
| cj1139 (lacZ-kan) | G8 (22) | 10.08 | 10.44 {2.5} (6.9–16.6) | G7 (7) | 0.65 | 1.00 {0.5} (2.8–0.5) |
| cj0031 (lacZ-cat) | G9 (15) | 13.52 | 12.30 {2.9} (9.1–22.2) | G10 (22) | 17.82 | 17.88 {8.3} (11.0–40.2) |
| capA (antibody) | G11 (14) | 18.44 | 16.41 {3.9} (11.2–30.9) | G12 (23) | 32.59 | 29.49 {13.7} (22.1–43.0) |
| G10 (11) | 4.29 | 4.88 {2.3} (2.5–8.3) | ||||
aNumbers in brackets indicate number of colonies examined
bMedian frequency
cPV rates were estimated according to (42), numbers in curly brackets are fold increase over shortest tract, numbers in square brackets are 95% CIs calculated according to (43). Statistical tests of differences in PV rates are provided in the Supplementary Data.