Reading-frame restoration by transcriptional slippage at long stretches of adenine residues in mammalian cells.

Abstract excerpt

We previously characterized a mutant apoB allele (the apoB86 allele) that produces both a truncated apoB (apoB86) and a full-length apoB100. The mutant allele contained a deletion of a single cytosine in exon 26, creating a stretch of eight consecutive adenines in the -1 reading frame. The altered reading-frame allele was restored, with approximately 10% efficiency, by the transcriptional insertion of an extra...

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