Table 1.
Samples | Total sRNA | PSTVd‐sRNA | % vd‐sRNA | (+) sRNA | (–) sRNA | +/– ratio |
---|---|---|---|---|---|---|
Healthy | 7 856 247 | 229/232* | ||||
PSTVd‐M | 9 078 067 | 620 651 | 6.84 | 528 670 | 91 981 | 5.75 |
PSTVd‐I | 8 541 046 | 1 154 772 | 13.52 | 906 597 | 248 175 | 3.65 |
vd‐sRNA, viroid‐derived small RNA.
*229 and 232 sRNAs of the potato spindle tuber viroid‐Mild (PSTVd‐M) and PSTVd‐Intermediate (PSTVd‐I) types, respectively, that were 100% identical to the (+) and (–) strands of PSTVd‐M and PSTVd‐I.