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- W3193984652 endingPage "9685" @default.
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- W3193984652 abstract "Abstract Transcripts containing premature termination codons (PTCs) can be subject to nonsense-associated alternative splicing (NAS). Two models have been evoked to explain this, scanning and splice motif disruption. The latter postulates that exonic cis motifs, such as exonic splice enhancers (ESEs), are disrupted by nonsense mutations. We employ genome-wide transcriptomic and k-mer enrichment methods to scrutinize this model. First, we show that ESEs are prone to disruptive nonsense mutations owing to their purine richness and paucity of TGA, TAA and TAG. The motif model correctly predicts that NAS rates should be low (we estimate 5–30%) and approximately in line with estimates for the rate at which random point mutations disrupt splicing (8–20%). Further, we find that, as expected, NAS-associated PTCs are predictable from nucleotide-based machine learning approaches to predict splice disruption and, at least for pathogenic variants, are enriched in ESEs. Finally, we find that both in and out of frame mutations to TAA, TGA or TAG are associated with exon skipping. While a higher relative frequency of such skip-inducing mutations in-frame than out of frame lends some credence to the scanning model, these results reinforce the importance of considering splice motif modulation to understand the etiology of PTC-associated disease." @default.
- W3193984652 created "2021-08-30" @default.
- W3193984652 creator A5027887140 @default.
- W3193984652 creator A5029145656 @default.
- W3193984652 creator A5031902962 @default.
- W3193984652 creator A5052138156 @default.
- W3193984652 creator A5071113889 @default.
- W3193984652 creator A5080432908 @default.
- W3193984652 date "2021-09-01" @default.
- W3193984652 modified "2023-09-24" @default.
- W3193984652 title "Evidence in disease and non-disease contexts that nonsense mutations cause altered splicing via motif disruption" @default.
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