The surveillance of pre-mRNA splicing is an early step in C. elegans RNAi of endogenous genes.

Abstract excerpt

RNAi pathways detect and silence foreign nucleic acids such as viruses as well as endogenous genes in many species. The phylogenetic profile across eukaryotes of proteins that mediate key steps in RNAi is correlated with the profiles of multiple mRNA splicing proteins and with intron number, suggesting that RNAi may surveil mRNA splicing to detect the divergent or absent introns of viruses. Here we examine the...

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