StRNA

Small Temporal RNA or stRNA regulate gene expression during worm development by preventing the mRNAs they bind to being translated^[1]

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In contrast to siRNA downregulate expression of target RNAs after translation initiation without affecting mRNA stability[1].

stRNAs exert negative post-transcriptional regulation by binding to complementary sequences in the 3' untranslated regions of their target genes. stRNAs are transcribed as longer precursor RNAs that are processed by the RNase Dicer/DCR-1 and members of the RDE-1/AGO1 family of proteins, which are better known for their roles in RNA interference (RNAi). stRNAs may function to control temporal identity during development in C. elegans and other organisms[1]

References

1-[2]