Table 2.
Infectivity of Chrysanthemum stunt viroid RNAs in chrysanthemum and tomato plants
| Inoculum | Nucleotide substitution
|
|||||
|---|---|---|---|---|---|---|
| Chrysanthemum
|
Tomato
|
|||||
| Sample1 | Sample2 | Sample3 | Sample1 | Sample2 | Sample3 | |
| CSVd-SK1(+)G | 0/30 (–b) | 0/30 (–) | 0/30 (–) | 1/30 (G49AC) | 2/30 (G49A) | 1/30 (G49A) |
| CSVd-SK1(+)P | 0/30 (–) | 0/30 (–) | 0/30 (–) | 1/30 (G49A) | 1/30 (G49A) | 1/30 (G49A) |
| Purified CSVd-SK1 RNAsa | 0/30 (–) | 0/30 (–) | 0/30 (–) | 1/30 (G49A) | 1/30 (G49A) | 2/30 (G49A) (U47A) |
a
The inoculum source was isolated from the infected chrysanthemum plant. The numbers of nucleotide positions in CSVd genome are adopted from the previous published
b
No nucleotide substitutions of CSVd
c
Number of cDNAs showing nucleotide substitutions of CSVd /total number of clones sequenced