If you want to know what 3′UTRs with long conserved sequence stretches do, check out our BioRxiv preprint doi.org/10.64898/202....
They form functional intermolecular 3′UTR-3′UTR interactions that enable co-folding of proteins to rapidly induce transcriptional programs.
Dynamic RNA Polymerase compartments organize the transcription of gene clusters https://www.biorxiv.org/content/10.64898/2026.01.07.698080v1