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Bioassay of CChMVd RNAs with mutations affecting the L1.U6 residue of the (−) hammerhead
| Mutant | Symptomsa | Hybridization | Progeny |
|---|---|---|---|
| Wild-type | 8/8 (4/4 + 4/4) | Yes | |
| L1.U6A | 0/8 (0/4 + 0/4) | No | NAb |
| L1.U6G | 6/8 (2/4 + 4/4) | Yes | Reversion |
| L1.U6C | 8/8 (4/4 + 4/4) | Yes | Reversion |
| L1.U6Δ | 0/8 (0/4 + 0/4) | No | NA |
aNumber of plants with symptoms with respect to those inoculated in two independent experiments with four plants each.
bNot applicable.
