ArticleNucleic acids research2022
Premature translation termination mediated non-ER stress induced ATF6 activation by a ligand-dependent ribosomal frameshifting circuit.
Article in Nucleic acids research, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Endoplasmic Reticulum Stress in Acute Myeloid Leukemia: Pathogenesis, Prognostic Implications, and Therapeutic Strategies.International journal of molecular sciences · 2025Review
- Endoplasmic reticulum stress and the unfolded protein response: emerging regulators in progression of traumatic brain injury.Cell death & disease · 2024Review
- Photoswitchable molecular glue for RNA: reversible photocontrol of structure and function of the ribozyme.Nucleic acids research · 2023Article
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Authors and funding
5 authors.
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Abstract
The -1 programmed ribosomal frameshifting (-1 PRF) has been explored as a gene regulatory circuit for synthetic biology applications. The -1 PRF usually uses an RNA pseudoknot structure as the frameshifting stimulator. Finding a ligand-responsive pseudoknot with efficient -1 PRF activity is time consuming and is becoming a bottleneck for its development. Inserting a guanine to guanine (GG)-mismatch pair in the 5'-stem of a small frameshifting pseudoknot could attenuate -1 PRF activity by reducing stem stability. Thus, a ligand-responsive frameshifting pseudoknot can be built using GG-mismatch-targeting small molecules to restore stem stability. Here, a pseudoknot requiring stem-loop tertiary interactions for potent frameshifting activity was used as the engineering template. This considerably amplified the effect of mismatch destabilization, and led to creation of a mammalian -1 PRF riboswitch module capable of mediating premature translation termination as a synthetic regulatory mode. Application of the synthetic circuit allowed ligand-dependent ATF6N mimic formation for the activation of protein folding-related genes involved in the unfolded protein response without an ER-stress inducing agent. With the availability of mismatch-targeting molecules, the tailored module thus paves the way for various mismatch plug-ins to streamline highly efficient orthogonal ligand-dependent -1 PRF stimulator development in the synthetic biology toolbox.
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