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HN-independent fusion activity of two chimeric F proteins
| F protein | % (±SD) cell-cell fusiona with: |
||
|---|---|---|---|
| SV41 HN | NDV HN | No HN | |
| M(1+2+4) | 10.6 ± 1.6 | 1.1 ± 0.8 | 0.7 ± 0.5 |
| B+M(1+2) | 13.4 ± 1.7 | 5.0 ± 1.1 | 4.2 ± 1.0 |
| NDV F | - | 14.3 ± 2.1 | - |
Cell-cell fusion (%) of the transfected HeLa cells was morphometrically quantified at 24 h posttransfection as described in Materials and Methods. -, cell-cell fusion was not found even when all of the well was observed.
