Canonical miRNA Mechanism vs Target-dependent miRNA Degradation
Description
This template was adapted from the original submission. Edits were made to enhance scientific accuracy, optimal usability and/or to meet industry-leading design standards for science communication.
MicroRNAs (miRNAs) are a class of small non-coding RNAs that function as guide molecules in RNA silencing. The miRNA:target interaction usually occurs at the 5′ end of the miRNA (the ‘seed’ region). In the last few years, it has emerged that there is a special class of targets which bind the miRNA not only through the seed, but also through a second region of complementarity at the 3′ end of the miRNA. The extended complementarity forces the miRNA out of Ago2, where it becomes accessible to enzymatic degradation.
Acknowledgements
References
Ghini F et al.. (2018) ndogenous transcripts control miRNA levels and activity in mammalian cells by target-directed miRNA degradation. Nature Communications. https://doi.org/10.1038/s41467-018-05182-9
Sheu-Gruttadauria et al.. (2019) Structural Basis for Target-Directed MicroRNA Degradation. Molecular Cell. https://doi.org/10.1016/j.molcel.2019.06.019
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