Article
Nascent RNA folding mitigates transcription-associated mutagenesis.
Genome research - 1 Jan 2016
Chen Xiaoshu, Yang Jian-Rong, Zhang Jianzhi
Abstract excerpt
Transcription is mutagenic, in part because the R-loop formed by the binding of the nascent RNA with its DNA template exposes the nontemplate DNA strand to mutagens and primes unscheduled error-prone DNA synthesis. We hypothesize that strong folding of nascent RNA weakens R-loops and hence decreases mutagenesis. By a yeast forward mutation assay, we show that strengthening RNA folding and reducing R-loop...
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