Table 2 Oligonucleotides used in this study.

ssRNA(30mer)

5′-AUCAGCUCGUCACAACAUUACUUCAUCAAC-3′ (Figs 3a,b and 4d)

ssDNA(30mer)

5′-ATCAGCTCGTCACAACATTACTTCATCAAC-3′ (Figs 3a and 4d)

probe 1, ssRNA(17mer)

5′-CCCGAC^∨AAC^∨AGGCCCCC-3′ (Fig. 3c)

probe 2, ssRNA(17mer)

5′-CCCC^∨AU^∨AAU^∨AGGCCCCC-3′ (Fig. 3c)

probe 3, ssRNA(17mer)

5′-CCCGAC^∨AGCCGGCCCCC-3′ (Fig. 3d)

probe 4, ssRNA(17mer)

5′-CCCGAC^∨A(m)GCCGGCCCCC-3′ (2′-Ome, Fig. 3d)