LncRNAs, lost in translation or licence to regulate?
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Over the last decade, advances in transcriptomics have revealed that the pervasive transcription of eukaryotic genomes produces plethora of long noncoding RNAs (lncRNAs), which are now recognized as major regulators of multiple cellular processes. Although they have been thought to lack any protein-coding potential, recent ribosome-profiling data indicate that lncRNAs can interact with the translation machinery, leading to the production of functional peptides in some cases. In this perspective, we have explored the idea that translation can be part of the fate of cytoplasmic lncRNAs, raising the possibility for them to work as bifunctional RNAs, endowed with dual coding and regulatory functions.
KeywordsLncRNA Non-coding genome RNA decay Regulatory RNA Transcription Translation
We thank all the members of our lab for discussions and critical reading of the manuscript. A. Morillon’s lab is supported by the ANR “DNA-Life” and ERC “DARK” consolidator grants.