Extensive loss of RNA editing sites in rapidly evolving Silene mitochondrial genomes: selection vs. retroprocessing as the driving force.

Abstract excerpt

Theoretical arguments suggest that mutation rates influence the proliferation and maintenance of RNA editing. We identified RNA editing sites in five species within the angiosperm genus Silene that exhibit highly divergent mitochondrial mutation rates. We found that mutational acceleration has been associated with rapid loss of mitochondrial editing sites. In contrast, we did not find a significant difference in...

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