Table 2.
PFV titers after cell-free passages 1 and 10
| Virus | Passage 1 data |
Passage 10 data |
||
|---|---|---|---|---|
| No. of expts | Titer (per ml) | No. of expts | Titer (per ml) | |
| pcPFV2 (wt) | 18 | (9.3 ± 2.0) × 106 | 3 | (1.2 ± 0.2) × 107a |
| M141 (R22K R24K) | 10 | (1.1 ± 0.3) × 105 | 3 | (8.0 ± 1.4) × 105 |
| M142 (R68K R70K) | 3 | (9.6 ± 4.00 × 106 | 3 | (1.9 ± 0.3) × 107 |
| M143 (R169K R172K R173K) | 10 | (1.1 ± 0.3) × 107 | 3 | (1.7 ± 0.5) × 107 |
| M144 (R266K R268K) | 9 | (5.3 ± 1.5) × 106 | 3 | (2.0 ± 0.7) × 107 |
| M145 (R272K R274K R275K R276K) | 9 | (9.7 ± 5.2) × 106 | 3 | (1.6 ± 0.2) × 107 |
| M146 (M141 + M142) | 3 | (9.6 ± 4.8) × 104 | NDb | |
| M147 (M141 + M143) | 3 | (5.4 ± 1.8) × 104 | ND | |
| M148 (M141 + M144) | 3 | (1.5 ± 0.6) × 105 | ND | |
| M149 (M141 + M145) | 3 | (1.5 ± 0.4) × 105 | ND | |
| M150 (M142 + M143) | 3 | (8.6 ± 1.5) × 106 | ND | |
| M151 (M142 + M144) | 3 | (1.0 ± 0.3) × 107 | ND | |
| M152 (M142 + M145) | 3 | (7.9 ± 2.6) × 106 | ND | |
| M153 (M143 + M144) | 3 | (6.5 ± 1.7) × 106 | ND | |
| M154 (M143 + M145) | 3 | (6.5 ± 1.1) × 106 | ND | |
| M155 (M144 + M145) | 3 | (5.7 ± 1.7) × 106 | ND | |
| M156 (M146 + M144) | 3 | (7.6 ± 3.3) × 104 | ND | |
| M157 (M156 + M143) | 3 | (7.2 ± 4.7) × 104 | ND | |
| M158 (K396R) | 3 | (7.1 ± 1.0) × 106 | ND | |
a
This value was derived from a lytically-infected culture.
b
ND, not done.