Coevolution of ribosomal RNA expansion segment 7L and assembly factor Noc2p specializes the ribosome biogenesis pathway between Saccharomyces cerevisiae and Candida albicans.

Abstract excerpt

Ribosomes of different species share an evolutionarily conserved core, exhibiting flexible shells formed partially by the addition of species-specific ribosomal RNAs (rRNAs) with largely unexplored functions. In this study, we showed that by swapping the Saccharomyces cerevisiae 25S rRNA genes with non-S. cerevisiae homologs, species-specific rRNA variations caused moderate to severe pre-rRNA processing defects....

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